1 2001-09-21 Richard Henderson <rth@redhat.com>
3 * optabs.c (init_one_libfunc): Gen a FUNCTION_DECL for use by
4 ENCODE_SECTION_INFO; get SYMBOL_REF from make_decl_rtl.
6 2001-09-21 Richard Henderson <rth@redhat.com>
8 * rtl.h (LCT_RETURNS_TWICE): New.
9 * calls.c (emit_call_1): Set current_function_calls_setjmp for
11 (emit_library_call_value_1): Map LCT_RETURNS_TWICE
13 * except.c (sjlj_emit_function_enter): Use LCT_RETURNS_TWICE for
16 * unwind-sjlj.c: Invent the setjmp.h declarations if inhibit_libc.
18 * config/stormy16/stormy16.h (DONT_USE_BUILTIN_SETJMP): New.
21 2001-09-21 Richard Henderson <rth@redhat.com>
23 * config/stormy16/stormy16.h (REG_CLASS_FROM_LETTER): Map 'd'
26 2001-09-21 Richard Henderson <rth@redhat.com>
28 * tree.def (FDESC_EXPR): New.
29 * expr.c (expand_expr): Handle it.
30 * varasm.c (initializer_constant_valid_p): Likewise.
31 (output_constant): Likewise.
32 * defaults.h (TARGET_VTABLE_USES_DESCRIPTORS): New.
33 * config/ia64/ia64.h (TARGET_VTABLE_USES_DESCRIPTORS): New.
34 (ASM_OUTPUT_FDESC): New.
35 * doc/tm.texi: Document the new macros.
37 21-09-2001 Richard Earnshaw (reanrsha@arm.com)
39 * cfgcleanup.c (merge_blocks_move_successor_nojumps): Don't leave
40 ADDR_VEC or ADDR_DIFF_VEC jump insns as part of the basic block
41 once merging is complete.
43 Fri Sep 21 11:20:12 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
45 * integrate.c (allocate_initial_values): Eliminate unused arg warning.
47 21-09-2001 Richard Earnshaw (reanrsha@arm.com)
49 * cfgcleanup.c (flow_find_cross_jump): Delete any REG_EQUAL notes
50 that would be invalid after a merge.
52 Fri Sep 21 14:24:29 CEST 2001 Jan Hubicka <jh@suse.cz>
54 * basic-block.h (flow_delete_insn, flow_delete_insn_chain): Kill.
55 * cfg.c (delete_insn): Rename from ....; use remove_insn; do not
57 (flow_delete_insn): This one.
58 (delete_insn_chain): Rename from ...; do not care labels.
59 (flow_delete_insn_chain): ... this one.
60 (flow_delete_block): Remove the insns one BB has been expunged.
61 (merge_blocks_nomove): Likewise.
62 (try_redirect_by_replacing_jump): Use delete_insn[_chain]; do not care
63 updating BB boundaries.
64 (tidy_fallthru_edge): Likewise.
65 (commit_one_edge_insertion): Likewise.
66 * cfgbuild.c (find_basic_block): Likewise.
67 (find_basic_blocks_1): Likewise.
68 * cfgcleanup.c (merge_blocks_move_predecessor_nojumps): Likewise.
69 (try_crossjump_to_edge): Likewise.
70 (try_optimize_cfg): Likewise.
71 * cse.c (delete_trivially_dead_insns): Likewise.
72 * df.c (df_insn_delete): Likewise.
73 * doloop.c (doloop_modify): Use delete_related_insns.
74 * emit-rtl.c (try_split): Likewise.
75 (remove_insn): Update BB boundaries.
76 * expect.c (connect_post_landing_pads): Use delete_related_insns.
77 * flow.c (delete_dead_jumptables): Use delete_insn[_chain]; do not care
78 updating BB boundaries.
79 (propagate_block_delete_insn): Likewise.
80 (propagate_block_delete_libcall): Likewise.
81 * function.c (delete_handlers): Use delete_related_insns.
82 (thread_prologue_and_epilogue_insns): Likewise.
83 * gcse.c (delete_null_pointer_checks): Use delete_related_insns.
84 * genpeep.c (gen_peephole): Use delete_related_insns.
85 * ifcvt.c (noce_process_if_block): Use delete_insn; do not care updating
87 (find_cond_trap): Likewise.
88 * integrate.c (save_for_inline): Use delete_related_insns.
89 (copy_insn_list): Likewise.
90 * jump.c (pruge_linie_number_notes): Likewise.
91 (duplicate_loop_exit_test): Likewise.
92 (delete_computation): Likewise.
93 (delete_related_insn): Rename from ...; use delete_insn
94 (delete_insn): ... this one.
95 (redirect_jump): Use delete_related_insns.
96 * loop.c (scan_loop): Likewise.
97 (move_movables): Likewise.
98 (find_and_verify_loops): Likewise.
99 (check_dbra_loop): Likewise.
100 * recog.c (peephole2_optimize): Likewise.
101 * reg-stack.c (delete_insn_for_stacker): Remove.
102 (move_for_stack_reg): Use delete_insn.
103 * regmove.c (combine_stack_adjustments_for_block): Likewise.
104 * reload1.c (delete_address_reloads): Use delete_related_insns.
105 (fixup_abnormal_edges): Use delete_insn.
106 * recog.c (emit_delay_sequence): Use delete_related_insns.
107 (delete_from-delay_slot): Likewise.
108 (delete_scheduled_jump): likewise.
109 (optimize_skip): Likewise.
110 (try_merge_delay_insns): Likewise.
111 (full_simple_delay_slots): Likewise.
112 (fill_slots_from_thread): Likewise.
113 (relax_delay_slots): Likewise.
114 (make_return_insns): Likewise.
115 (dbr_schedule): Likewise.
116 * rtl.h (delete_insn): Rename to delete_related_insns.
117 (delete_insn, delete_insn_chain): New prototypes.
118 * ssa-ccp (sse_fast_dce): Remove deleting of DEF, as it is done
119 by df_insn_delete already.
120 * ssa-dce.c (delete_insn_bb): Use delete_insn.
121 * ssa.c (convert_from_ssa): Use delete_related_insns.
122 * unroll.c (unroll_loop): Likewise.
123 (calculate_giv_inc): Likewise.
124 (copy_loop_body): Likewise.
126 * i386-protos.h (ix86_libcall_value, ix86_function_value,
127 ix86_function_arg_regno_p, ix86_function_arg_boundary,
128 ix86_return_in_memory, ix86_function_value): Declare.
129 * i386.c (x86_64_int_parameter_registers, x86_64_int_return_registers):
130 new static valurables.
131 (x86_64_reg_class): New enum
132 (x86_64_reg_class_name): New array.
133 (classify_argument, examine_argument, construct_container,
134 merge_classes): New static functions.
135 (optimization_options): Enable flag_omit_frame_pointer and disable
136 flag_pcc_struct_return on 64bit.
137 (ix86_libcall_value, ix86_function_value,
138 ix86_function_arg_regno_p, ix86_function_arg_boundary,
139 ix86_return_in_memory, ix86_function_value): New global functions.
140 (init_cumulative_args): Refuse regparm on x86_64, set maybe_vaarg.
141 (function_arg_advance): Handle x86_64 passing conventions.
142 (function_arg): Likewise.
143 * i386.h (FUNCTION_ARG_BOUNDARY): New macro.
144 (RETURN_IN_MEMORY): Move offline.
145 (FUNCTION_VALUE, LIBCALL_VALUE): Likewise.
146 (FUNCTION_VALUE_REGNO_P): New macro.
147 (FUNCTION_ARG_REGNO_P): Move offline.
148 (struct ix86_args): Add maybe_vaarg.
149 * next.h (FUNCTION_VALUE_REGNO_P): Delete.
150 * unix.h (FUNCTION_VALUE_REGNO_P): Delete.
152 2001-09-21 Hartmut Penner <hpenner@de.ibm.com>
154 * s390.md: Changed attributes for scheduling.
155 * s390.c: (s390_adjust_cost, s390_adjust_priority)
158 2001-09-21 Joseph S. Myers <jsm28@cam.ac.uk>
160 Table-driven attributes.
161 * c-decl.c, config/alpha/alpha.c, config/arc/arc.c,
162 config/arm/arm.c, config/arm/pe.c, config/avr/avr.c,
163 config/avr/avr.h, config/d30v/d30v.h, config/fr30/fr30.h,
164 config/h8300/h8300.c, config/i386/cygwin.h, config/i386/winnt.c,
165 config/m32r/m32r.c, config/mcore/mcore.c, config/sh/sh.c,
166 config/stormy16/stormy16.h, config/v850/v850.c, doc/c-tree.texi,
167 doc/tm.texi, ggc-common.c, integrate.c, print-tree.c, tree.c,
168 tree.h: Rename DECL_MACHINE_ATTRIBUTES to DECL_ATTRIBUTES.
169 * tree.h (struct tree_decl): Change machine_attributes to
171 * doc/c-tree.texi: Document that all attributes are now attached
173 * c-common.c (add_attribute, attrtab, attrtab_idx,
174 default_valid_lang_attribute, valid_lang_attribute): Remove.
175 (attribute_tables, attributes_initialized,
176 c_common_attribute_table, default_lang_attribute_table): New
178 (handle_packed_attribute, handle_nocommon_attribute,
179 handle_common_attribute, handle_noreturn_attribute,
180 handle_unused_attribute, handle_const_attribute,
181 handle_transparent_union_attribute, handle_constructor_attribute,
182 handle_destructor_attribute, handle_mode_attribute,
183 handle_section_attribute, handle_aligned_attribute,
184 handle_weak_attribute, handle_alias_attribute,
185 handle_no_instrument_function_attribute,
186 handle_no_check_memory_usage_attribute, handle_malloc_attribute,
187 handle_no_limit_stack_attribute, handle_pure_attribute): New
189 (init_attributes, decl_attributes): Rewrite to implement
190 table-driven attributes.
191 * c-common.h (enum attribute_flags): Move to tree.h.
192 * c-format.c (decl_handle_format_attribute,
193 decl_handle_format_arg_attribute): Rename to
194 handle_format_attribute and handle_format_arg_attribute. Update
195 for table-driven attributes.
196 * c-common.h (decl_handle_format_attribute,
197 decl_handle_format_arg_attribute): Remove prototypes.
198 (handle_format_attribute, handle_format_arg_attribute): Add
200 * c-decl.c (grokdeclarator): Handle attributes nested inside
202 * c-parse.in (setattrs, maybe_setattrs): Remove.
203 (maybe_type_quals_setattrs): Rename to maybe_type_quals_attrs.
204 Update to handle nested attributes properly.
205 (maybe_resetattrs, after_type_declarator,
206 parm_declarator_nostarttypename, notype_declarator, absdcl1_noea,
207 absdcl1_ea, direct_absdcl1): Update to handle nested attributes
209 (make_pointer_declarator): Update to handle nested attributes
211 * doc/extend.texi: Update documentation of limits of attributes
212 syntax. Warn about problems with attribute semantics in C++.
213 * target.h (struct target): Remove valid_decl_attribute and
214 valid_type_attribute. Add attribute_table and
215 function_attribute_inlinable_p.
216 * target-def.h (TARGET_VALID_DECL_ATTRIBUTE,
217 TARGET_VALID_TYPE_ATTRIBUTE): Remove.
218 (TARGET_ATTRIBUTE_TABLE, TARGET_FUNCTION_ATTRIBUTE_INLINABLE_P):
220 (TARGET_INITIALIZER): Update.
221 * integrate.c (FUNCTION_ATTRIBUTE_INLINABLE_P): Remove default
223 (function_attribute_inlinable_p): New function. Check for the
224 presence of any machine attributes before using
225 targetm.function_attribute_inlinable_p.
226 (function_cannot_inline_p): Update.
227 * Makefile.in (integrate.o): Update dependencies.
228 * doc/tm.texi: Update documentation of target attributes and
229 example definition of TARGET_VALID_TYPE_ATTRIBUTE.
230 * tree.c (default_valid_attribute_p, valid_machine_attribute):
232 (default_target_attribute_table,
233 default_function_attribute_inlinable_p): New.
234 (lookup_attribute): Update comment to clarify handling of multiple
235 attributes with the same name.
236 (merge_attributes, attribute_list_contained): Allow multiple
237 attributes with the same name but different arguments to appear in
238 the same attribute list.
239 * tree.h (default_valid_attribute_p): Remove prototype.
240 (struct attribute_spec): New.
241 (default_target_attribute_table): Declare.
242 (enum attribute_flags): Move from c-common.h. Add
243 ATTR_FLAG_TYPE_IN_PLACE.
244 (default_function_attribute_inlinable_p): Declare.
245 * config/alpha/alpha.c (vms_valid_decl_attribute_p): Remove.
246 (TARGET_VALID_DECL_ATTRIBUTE): Don't define.
247 (TARGET_ATTRIBUTE_TABLE): Define.
248 (vms_attribute_table): New.
249 * config/arc/arc.c (arc_valid_decl_attribute): Remove.
250 (TARGET_VALID_DECL_ATTRIBUTE): Don't define.
251 (TARGET_ATTRIBUTE_TABLE): Define.
252 (arc_attribute_table, arc_handle_interrupt_attribute): New.
253 * config/arm/arm.c (arm_valid_type_attribute_p,
254 arm_valid_decl_attribute_p, arm_pe_valid_decl_attribute_p):
256 (TARGET_VALID_TYPE_ATTRIBUTE, TARGET_VALID_DECL_ATTRIBUTE): Don't
258 (TARGET_ATTRIBUTE_TABLE): Define.
259 (arm_attribute_table, arm_handle_fndecl_attribute,
260 arm_handle_isr_attribute): New.
261 * config/avr/avr.c (avr_valid_type_attribute,
262 avr_valid_decl_attribute): Remove.
263 (TARGET_VALID_DECL_ATTRIBUTE, TARGET_VALID_TYPE_ATTRIBUTE): Don't
265 (TARGET_ATTRIBUTE_TABLE): Define.
266 (avr_attribute_table, avr_handle_progmem_attribute,
267 avr_handle_fndecl_attribute): New.
268 * config/c4x/c4x.c (c4x_valid_type_attribute_p): Remove.
269 (TARGET_VALID_TYPE_ATTRIBUTE): Don't define.
270 (TARGET_ATTRIBUTE_TABLE): Define.
271 (c4x_attribute_table, c4x_handle_fntype_attribute): New.
272 * config/h8300/h8300.c (h8300_valid_decl_attribute): Remove.
273 (TARGET_VALID_DECL_ATTRIBUTE): Don't define.
274 (TARGET_ATTRIBUTE_TABLE): Define.
275 (h8300_attribute_table, h8300_handle_fndecl_attribute,
276 h8300_handle_eightbit_data_attribute,
277 h8300_handle_tiny_data_attribute): New.
278 * config/i386/i386-protos.h (ix86_valid_type_attribute_p,
279 i386_pe_valid_decl_attribute_p, i386_pe_valid_type_attribute_p):
281 (ix86_handle_dll_attribute, ix86_handle_shared_attribute): New
283 * config/i386/i386.c (ix86_valid_type_attribute_p: Remove.
284 (TARGET_VALID_TYPE_ATTRIBUTE, TARGET_VALID_DECL_ATTRIBUTE): Don't
286 (TARGET_ATTRIBUTE_TABLE): Define.
287 (ix86_attribute_table, ix86_handle_cdecl_attribute,
288 ix86_handle_regparm_attribute): New.
289 * config/i386/winnt.c (i386_pe_valid_decl_attribute_p,
290 i386_pe_valid_type_attribute_p): Remove.
291 (ix86_handle_dll_attribute, ix86_handle_shared_attribute): New.
292 * config/ia64/ia64.c (ia64_valid_type_attribute): Remove.
293 (TARGET_VALID_TYPE_ATTRIBUTE): Don't define.
294 (TARGET_ATTRIBUTE_TABLE): Define.
295 (ia64_attribute_table): New.
296 * config/m32r/m32r.c (m32r_valid_decl_attribute, interrupt_ident1,
297 interrupt_ident2, model_ident1, model_ident2): Remove.
298 (TARGET_VALID_DECL_ATTRIBUTE): Don't define.
299 (TARGET_ATTRIBUTE_TABLE): Define.
300 (init_idents): Update.
301 (m32r_attribute_table, m32r_handle_model_attribute): New.
302 * config/m68hc11/m68hc11.c (m68hc11_valid_type_attribute_p):
304 (TARGET_VALID_TYPE_ATTRIBUTE): Don't define.
305 (TARGET_ATTRIBUTE_TABLE): Define.
306 (m68hc11_attribute_table, m68hc11_handle_fntype_attribute): New.
307 * config/mcore/mcore.c (mcore_valid_decl_attribute): Remove.
308 (TARGET_VALID_DECL_ATTRIBUTE): Don't define.
309 (TARGET_ATTRIBUTE_TABLE): Define.
310 (mcore_attribute_table, mcore_handle_naked_attribute): New.
311 * config/ns32k/ns32k.c (ns32k_valid_type_attribute_p): Remove.
312 (TARGET_VALID_TYPE_ATTRIBUTE): Don't define.
313 (TARGET_ATTRIBUTE_TABLE): Define.
314 (ns32k_attribute_table, ns32k_handle_fntype_attribute): New.
315 * config/rs6000/rs6000.c (rs6000_valid_type_attribute_p): Remove.
316 (TARGET_VALID_TYPE_ATTRIBUTE): Don't define.
317 (TARGET_ATTRIBUTE_TABLE): Define.
318 (rs6000_attribute_table, rs6000_handle_longcall_attribute): New.
319 * config/sh/sh.c (sh_valid_decl_attribute): Remove.
320 (TARGET_VALID_DECL_ATTRIBUTE): Don't define.
321 (TARGET_ATTRIBUTE_TABLE): Define.
322 (sh_attribute_table, sh_handle_interrupt_handler_attribute,
323 sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
325 * config/stormy16/stormy16.c (stormy16_valid_type_attribute):
327 (TARGET_VALID_TYPE_ATTRIBUTE): Don't define
328 (TARGET_ATTRIBUTE_TABLE): Define.
329 (stormy16_attribute_table, stormy16_handle_interrupt_attribute):
331 * config/v850/v850.c (v850_valid_decl_attribute): Remove.
332 (TARGET_VALID_DECL_ATTRIBUTE): Don't define.
333 (TARGET_ATTRIBUTE_TABLE): Define.
334 (v850_attribute_table, v850_handle_interrupt_attribute,
335 v850_handle_data_area_attribute): New.
336 * config/v850/v850-c.c (mark_current_function_as_interrupt):
337 Return void. Call decl_attributes instead of
338 valid_machine_attribute.
340 Fri Sep 21 01:49:41 2001 J"orn Rennecke <amylaar@redhat.com>
342 * sh-protos.h (sh_pr_n_sets): Declare.
343 * sh.c (calc_live_regs): If the initial value for PR has been copied,
344 look at the copy to determine if PR needs to be saved.
345 sh_pr_n_sets: New function.
346 * sh.h (RETURN_ADDR_RTX): Use get_hard_reg_initial_val.
347 (ALLOCATE_INITIAL_VALUE): Define.
349 * sh.c (initial_elimination_offset):
350 Fix RETURN_ADDRESS_POINTER_REGNUM case.
352 Fri Sep 21 01:13:56 2001 J"orn Rennecke <amylaar@redhat.com>
354 * integrate.c (allocate_initial_values): New function.
355 * integrate.h (allocate_initial_values): Declare.
356 * local-alloc.c (local_alloc): Move call to allocate_reg_info from
358 * reload1.c (reload): And initialization of reg_equiv_memory_loc
360 * toplev.c (rest_of_compilation): To here.
361 Call allocate_initial_values.
362 * tm.texi: add description for ALLOCATE_INITIAL_VALUE.
364 Thu Sep 20 09:00:27 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
366 * ggc-page.c (ggc_marked_p): Properly convert return to boolean.
368 2001-09-20 DJ Delorie <dj@redhat.com>
370 * c-typeck.c (really_start_incremental_init): Discriminate
371 between zero-length arrays and flexible arrays.
372 (push_init_level): Detect zero-length arrays and handle them
373 like fixed-sized arrays.
374 * expr.c (store_constructor): Handle zero-length arrays and
375 flexible arrays correctly.
376 * doc/extend.texi: Update zero-length array notes.
378 2001-09-20 Jim Wilson <wilson@redhat.com>
380 * config/ia64/ia64.c (itanium_split_issue): Allow max 2 FP per cycle.
381 (insn_matches_slot): Handle TYPE_L and TYPE_X slots when checking
382 for issue port conflicts.
383 (cycle_end_fill_slots): TYPE_L instructions take two slots.
385 2001-09-20 Andrew MacLeod <amacleod@redhat.com>
387 * testsuite/gcc.c-torture/execute/990208-1.x: New. XFAIL at -O3
390 Thu Sep 20 09:00:27 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
392 * fold-const.c (hashtab.h): Include.
393 (int_const_binop): Remove FORSIZE arg and compute from type; all
395 Call size_int_type_wide for all single-word constants.
396 (size_htab_hash, size_htab_eq): New functions.
397 (size_int_type_wide): Rework to use hash table.
398 * ggc-common.c (hashtab.h): Include.
399 (struct d_htab_root): New struct.
400 (d_htab_roots): New variable.
401 (ggc_add_deletable_htab, ggc_htab_delete): New functions
402 (ggc_mark_roots): Handle deletable htabs.
403 * ggc-page.c (ggc_marked_p): New function.
404 * ggc-simple.c (ggc_marked_p): Likewise.
405 * ggc.h: Reformatting throughout.
406 (ggc_marked_p, ggc_add_deletable_htab): New declarations.
407 * tree.c (init_obstacks): Make type_hash_table a deletable root.
408 (type_hash_add): Allocate struct type_hash from GC memory.
409 (mark_hash_entry, mark_type_hash): Deleted.
410 (type_hash_marked_p, type_hash_mark): New functions.
411 * Makefile.in (ggc-common.o, fold-const.o): Include hashtab.h.
413 Thu Sep 20 12:49:34 2001 J"orn Rennecke <amylaar@redhat.com>
415 * sh.c (shiftcosts): Don't use shiftcosts array for modes wider
418 Thu Sep 20 09:00:27 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
420 * stor-layout.c (layout_type, case ARRAY_TYPE): Kludge to disable
421 array-too-large test for signed sizetype.
423 Thu Sep 20 12:19:36 CEST 2001 Jan Hubicka <jh@suse.cz>
425 * i386.md (indirect_jump): Allow Pmode operand.
426 (tablejump): LIkewise; perform expansion to 64bit mode.
427 * i386.c (symbolic_operand): Allow 64bit PIC references.
428 (pic_symbolic_operand): Likewise.
429 (ix86_find_base_term): Strip the 64bit PIC references.
430 (legitimate_pic_address_disp_p): Handle 64bit PIC.
431 (legitimize_pic_address): Likewise.
432 (i386_simplify_dwarf_addr): Strip down the 64bit PIC references.
433 * i386.h (CASE_VECTOR_MODE): Set to SImode for 64bit PIC compilation.
435 2001-09-19 Alexandre Petit-Bianco <apbianco@redhat.com>
437 * stringpool.c (get_identifier_with_length): New function.
438 * tree.h (get_identifier_with_length): New prototype.
440 2001-09-19 Alan Modra <amodra@bigpond.net.au>
441 David Edelsohn <edelsohn@gnu.org>
444 * config/rs6000/rs6000.c (logical_operand): CONST_INTs are
445 already sign-extended.
447 * config/rs6000/aix.h (INIT_TARGET_OPTABS): Define TFmode handlers.
448 * config/rs6000/rs6000.c (logical_operand): Always compare op as
450 (rs6000_emit_set_long_const): Avoid unnecessary shift.
451 (output_profile_hook): Declare label_name const.
452 * config/rs6000/rs6000.md (boolcsi3, boolcdi3): Change predicates
453 to match constraints.
455 2001-09-19 Stan Shebs <shebs@apple.com>
457 * alias.c: Fix typos in comments.
458 * sched-rgn.c (init_ready_list): Ditto.
459 * unwind-dw2.c (uw_frame_state_for): Ditto.
460 * unwind-dw2-fde.c (_Unwind_Find_FDE): Ditto.
461 * unwind.inc (_Unwind_RaiseException_Phase2): Ditto.
462 * config/rs6000/rs6000.c (rs6000_adjust_priority): Ditto.
464 2001-09-19 Richard Henderson <rth@redhat.com>
466 * cfg.c (force_nonfallthru_and_redirect): Handle redirecting
468 * Makefile.in (cfg.o): Depend on TM_P_H.
470 2001-09-19 Richard Henderson <rth@redhat.com>
472 * config/alpha/alpha.c (local_symbol_p): Split out from ...
473 (local_symbolic_operand): ... here.
474 (small_symbolic_operand): Check mode.
475 (global_symbolic_operand): New.
476 (input_operand): Reject symbolics if explicit relocs.
477 (call_operand): Tidy.
478 (alpha_legitimize_address): Use movdi_er_high_g.
479 (alpha_expand_mov): Likewise.
480 * config/alpha/alpha-protos.h: Update.
481 * config/alpha/alpha.h (PREDICATE_CODES): Update.
482 * config/alpha/alpha.md (UNSPEC_LITERAL, UNSPEC_LITUSE): New.
483 (UNSPEC_LDGP2, UNSPECV_PLDGP2): New.
484 (UNSPECV_LDGP2): Remove.
485 (all call patterns): Use 's' not 'i' for symbolic constraint.
486 (call_osf call_value_osf): Use call_operand.
487 (all osf call patterns): Use $gp. New peepholes for explicit relocs.
488 (movdi_er_nofix, movdi_er_fix): Remove symbolic alternative.
489 (prologue_ldgp_1_er): Remove.
490 (ldgp_er_1, ldgp_er_2, prologue_ldgp_er_2): New.
491 (builtin_setjmp_receiver_er patterns): Use them.
492 (exception_receiver_er): Likewise.
494 2001-09-19 Richard Henderson <rth@redhat.com>
496 * cfgbuild.c (find_sub_basic_blocks): Handle insns that can throw.
498 * emit-rtl.c (try_split): Copy NORETURN, SETJMP, ALWAYS_RETURN
499 and NON_LOCAL_GOTO notes.
500 * recog.c (peephole2_optimize): Likewise. Handle EH_REGION;
501 copy over CALL_INSN_FUNCTION_USAGE.
503 2001-09-18 Catherine Moore <clm@redhat.com>
505 * config/stormy16/stormy16.h (DEFAULT_PCC_STRUCT_RETURN):
508 2001-09-18 Ulrich Weigand <uweigand@de.ibm.com>:
510 * config.gcc (s390-*-linux-*, s390x-*-linux*): Switch to
511 new-style tm_file specification. Specify correct tm_p_file,
512 md_file, and out_file for s390x.
514 * config/s390/linux.h, linux64.h: Don't include other target
515 macro header files. Now handled via tm_file.
517 * config/s390/linux.h, s390.h: (IEEE_FLOAT, TARGET_IEEE_FLOAT,
518 TARGET_IBM_FLOAT): Move from linux.h to s390.h to ensure they
519 are defined before use.
521 Tue Sep 18 09:51:11 2001 Eric Christopher <ecechristo@redhat.com>
523 * config/mips/mips.c (mips_asm_file_start): Conditionalize Elf
524 code generation only for Gnu assembler.
526 2001-09-18 Catherine Moore <clm@redhat.com>
528 * config/stormy16 (LIB_SPEC): Remove -lnosys.
530 2001-09-18 Richard Sandiford <rsandifo@redhat.com>
532 * config/mips/mips.c (mips_frame_set): New.
533 (mips_emit_frame_related_store): When storing two 32-bit FPRs, use
534 a parallel frame-related expression with a set for each register.
536 2001-09-18 Philip Blundell <philb@gnu.org>
538 * config/arm/lib1funcs.asm (L_dvmd_lnx): Don't rely on kernel
541 2001-09-17 Dale Johannesen <dalej@apple.com>
543 * config/rs6000/rs6000.h (FIXED_REGISTERS): Use FIXED_R2.
544 * config/rs6000/aix.h (FIXED_R2): Define.
545 * config/rs6000/darwin.h (FIXED_R2): Define.
546 * config/rs6000/sysv4.h (FIXED_R2): Define.
548 2001-09-17 Jeff Sturm <jsturm@one-point.com>
550 * except.c (dw2_build_landing_pads): New local
551 clobbers_hard_regs. Emit an ASM_INPUT as a scheduling
552 barrier after clobbers. Fixes c++/4012.
554 2001-09-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
556 * gcc.c (find_file): Use ACONCAT in lieu of alloca/strcpy/strcat.
558 2001-09-17 Joseph S. Myers <jsm28@cam.ac.uk>
560 * dostage2, dostage3, listing, make-l2.com, makefile.vms,
561 patch-apollo-includes, vmsconfig.com: Remove obsolete files.
563 2001-09-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
565 * c-aux-info.c (affix_data_type): Use ASTRDUP in lieu of
568 2001-09-17 Neil Booth <neil@daikokuya.demon.co.uk>
570 * cpphash.h (_cpp_lex_direct): New.
571 * cpplex.c (_cpp_lex_token): Update.
572 (lex_token): Rename _cpp_lex_direct; lex into pfile->cur_token,
573 and increment that pointer.
574 * cppmacro.c (alloc_expansion_token): New.
575 (lex_expansion_token): Lex macro expansion directly into
578 2001-09-16 Brad Lucier <lucier@math.purdue.edu>
580 * Makefile.in: Make rtl-error.o depend on $(CONFIG_H).
582 Sun Sep 16 21:59:46 CEST 2001 Jan hubicka <jh@suse.cz>
584 * basic-block.h (free_bb_for_insn): Declare.
585 * bb-reorder.c (label_for_bb): Use block_label.
586 (emit_jump_to_block_after): Remove.
587 (insert_intra_1): Do not update block_for_insn.
588 (insert_inter_bb_scope_notes): Likewise; update bb->end
589 * cfg.c (free_bb_for_insn): New.
590 (try_rediret_by_replacing_jump): Avoid set_block_for_new_insns call.
591 (force_nonfallthru_and_redirect): Likewise; do not update BB boundaries.
592 (commit_one_edge_insertion): Likewise.
593 (commit_one_edge_insertion): Do not update BB boundary.
594 (commit_edge_insertions): Do not call compute_bb_for_insn.
595 * cfgbuild.c (find_basic_blocks): Do not free basic_block_for_insn.
596 * cfgcleanup.c (merge_blocks_move_predecessor): Use reorder_insns_nobb.
597 (merge_blocks_move_successor_nojumps): Likewise.
598 (try_crossjump_to_edge): Do not update block_for_insn.
599 * combine.c (combine_instructions): Remove compute_bb_for_insn call.
600 * df.c (df_pattern_emit_later): Do not update BB boundary.
601 (df_jump_pattern_emit_after): Likewise.
602 (df_insn_move_before): Use emit_insn_before.
603 * emit-rtl.c (try_split): Emit after trial to get bb boundary updated
605 (add_insn_after, add_insn_before, emit_insns_after): Update BB
606 boundaries and basic_block_for_insn.
607 (reorder_insns_nobb): Rename from reorder_insns.
608 (reorder_insns): New.
609 (emit_block_insn_before, emit_block_insn_after): Kill.
610 * flow.c (check_function_return_warnings): Do not call
611 compute_bb_for_insn; Do not free basic_block_for_insn.
612 (attempt_auto_inc): Do not update basic_block_for_insn.
613 * function.c (emit_return_into_block): Likewise;
614 do not update BB boundaries.
615 * gcse.c (handle_avail_expr): Do not update basic_block_for_insn.
616 (insert_insn_end_bb): Use emit_insn_before; Likewise.
617 (pre_insert_copy_insn): Likewise.
618 (update_ld_motion_notes): Likewise.
619 (insert_insn_start_bb): Likewise.
620 (replace_store_insn): Likewise.
621 * ifcvt.c (noce_process_if_block): Likewise.
622 (if_convert): Do not call compute_bb_for_insn.
623 * lcm.c (optimize_mode_switching): Do not update BB boundaries.
624 Use emit_insn_before and emit_insn_after.
625 * recog.c (split_all_insns): Do not update BB boundaries;
626 Do not call compute_bb_for_insn.
627 (peephole2_optimize): Do not update BB boundaries.
628 * reg-stack.c (emit_pop_insn): Use emit_insn_after and
630 (emit_swap_insn): Likewise.
631 (convert_regs_1): Likewise.
632 * reload1.c (reload): Call compute_bb_for_insn.
633 * rtl.h (reorder_insns_nobb): Declare.
634 * ssa.c (rename_equivalent_regs): Use emit_insn_before.
635 * toplev.c (rest_of_compilation): Call free_bb_for_insn
636 at places CFG is invalidated; do not call compute_bb_for_insn.
638 * cfg.c (expunge_block): Invalidate BB structure.
640 * (merge_blocks_nomove): Update properly BLOCK_FOR_INSN
643 * cfg.c (verify_flow_info): Verify the basic_block_for_insn array.
645 2001-09-16 Neil Booth <neil@daikokuya.demon.co.uk>
647 * cpphash.h (_cpp_lex_token): Update prototype.
648 * cpplex.c (_cpp_lex_token): New prototype.
649 * cpplib.c (skip_rest_of_line, check_eol, _cpp_handle_directive,
650 lex_macro_node, read_flag, do_pragma_poison): Update.
651 * cppmacro.c (cpp_get_token, parse_params,
652 lex_expansion_token): Update.
654 2001-09-16 Neil Booth <neil@daikokuya.demon.co.uk>
656 * cppmain.c (scan_translation_unit): Don't worry about
657 putting a space after hashes.
658 * cpplib.c (directive_diagnostics): New.
659 (_cpp_handle_directive): Update to use directive_diagnostics.
660 (run_directive): Don't toggle prevent_expansion.
661 (do_line): Backup in case of the line extension.
662 * cpplib.h (cpp_lexer_pos): Remove.
663 * cppmacro.c (_cpp_create_definition): Precede a leading #
666 2001-09-15 Richard Henderson <rth@redhat.com>
668 * c-typeck.c (comptypes): Handle zero-length arrays properly.
670 2001-09-15 Roman Lechtchinsky <rl@cs.tu-berlin.de>
672 * c-common.c (c_promoting_integer_type_p): Handle ?Imode types.
674 2001-09-15 Neil Booth <neil@daikokuya.demon.co.uk>
677 * tradcpp.c (handle_directive): Skip non-vertical space.
679 2001-09-15 Neil Booth <neil@daikokuya.demon.co.uk>
681 * cppmain.c (setup_callbacks): Set line callback only
682 if outputting preprocessed source.
684 2001-09-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
686 * collect2.c (main): Const-ification.
687 * gcc.c (translate_options, process_command): Use xstrdup in
688 lieu of xmalloc/strcpy.
689 (main): Use concat in lieu of xmalloc/strcpy/strcat.
691 2001-09-14 Roman Lechtchinsky <rl@cs.tu-berlin.de>
693 * doc/install.texi (Specific, alphaev5-cray-unicosmk*): Fix
696 2001-09-15 Neil Booth <neil@daikokuya.demon.co.uk>
698 * scan-decls.c (scan_decls): Fix typo.
700 2001-09-15 Neil Booth <neil@daikokuya.demon.co.uk>
702 * cpphash.h (struct cpp_reader): Remove lexer_pos, directive_pos.
703 Split mlstring_pos into mls_line and mls_col.
704 * cppinit.c (cpp_create_reader): Initialize line to 1.
705 (cpp_destroy): Free tokenruns.
706 (push_include): Don't update lexer_pos.
707 * cpplex.c (unterminated, parse_string): Update.
708 (lex_token): Don't update lexer_pos, update.
709 * cpplib.c (if_stack): Save line instead of line + col.
710 (start_directive, _cpp_do__Pragma, do_else, do_elif,
711 push_conditional, _cpp_pop_buffer): Update.
712 * cppmacro.c (funlike_invocation_p): Don't save lexer_pos.
713 (_cpp_create_definition): Update.
715 2001-09-15 Eric Christopher <echristo@redhat.com>
717 * config/mips/abi64.h: Add support for MEABI.
719 2001-09-15 Eric Christopher <echristo@redhat.com>
721 * config/mips/mips.md: Add unspec #2.
723 (reload_outdi): Ditto.
724 (reload_outsi): Ditto.
727 2001-09-15 Eric Christopher <echristo@redhat.com>
728 Jason Eckhardt <jle@redhat.com>
730 * config.gcc: Add mipsisa32 target and mipsisa32-linux target.
731 * config/mips/isa32-linux.h: New file.
732 * config/mips/isa3264.h: Ditto.
733 * config/mips/mips-protos.h: Add mips_hard_regno_nregs.
734 * config/mips/mips.c (mips_hard_regno_nregs): Move here from mips.h.
735 (output_block_mode): Support MEABI.
736 (function_arg): Ditto. Fix floating point arg passing.
737 (mips_va_start): Ditto.
738 (override_options): Add isas 32 and 64, meabi, mips32 and mips64
740 (mips_asm_file_start): Add new section to pass abi to gdb.
741 (function_arg_pass_by_reference): Support MEABI.
742 (mips_parse_cpu): Support mips32 and mips64 processors.
743 * config/mips/mips.h: Support ABI_MEABI, TARGET_MIPS4KC,
744 TARGET_MIPS5KC. Support isa32 and isa64.
745 (processor_type): Add r4kc, r5kc, r20kc.
746 (GENERATE_MULT3_SI): New.
747 (GENERATE_MULT3_DI): Ditto.
748 (GENERATE_MULT3): Remove.
749 (ISA_HAS_64BIT_REGS): Add isa == 64.
750 (ISA_HAS_8CC): Add mips_isa = 32 and 64.
751 (ISA_HAS_MADD_MSUB): New.
752 (ISA_HAS_CLZ_CLO): Ditto.
753 (ISA_HAS_DCLZ_DCLO): Ditto.
754 (ABI_GAS_ASM_SPEC): New.
755 (GAS_ASM_SPEC): Use. Add support for mips32, mips64.
758 (SUBTARGET_CC1_SPEC): Ditto.
759 (SUBTARGET_CPP_SIZE_SPEC): Ditto.
760 (PAD_VARARGS_DOWN): Support MEABI.
761 (HARD_REGNO_NREGS): Move to mips.c.
762 (ASM_OUTPUT_IDENT): Add #undef.
763 * config/mips/mips.md: Add r4kc, r5kc, r20kc.
764 (mulsi3): Use GENERATE_MULT3_SI.
765 (mulsi3_mult3): Ditto. Support mips32, mips64.
766 (mul_acc_si): Use ISA_HAS_MADD_MSUB.
767 (mul_sub_si): New pattern.
768 (unnamed splitters): New.
769 (muldi3): Use GENERATE_MULT3_DI.
770 (muldi3_internal2): Ditto.
771 (movdicc): Support mips32.
772 * config/mips/t-isa3264: New file.
774 2001-09-15 Hans-Peter Nilsson <hp@axis.com>
776 * rtl.h (FIND_REG_INC_NOTE) [HAVE_PRE_INCREMENT
777 || HAVE_PRE_DECREMENT || HAVE_POST_INCREMENT
778 || HAVE_POST_DECREMENT]: Call find_regno_note for REGs.
780 * reorg.c (fill_slots_from_thread): After call to
781 steal_delay_list_from_target, update own_thread as new_thread may
784 2001-09-14 Neil Booth <neil@daikokuya.demon.co.uk>
786 * cpperror.c (print_location): Take line and column, for
787 default positioning use the previously lexed token.
788 (_cpp_begin_message): Take line and column.
789 (cpp_ice, cpp_fatal, cpp_error, cpp_error_with_line, cpp_warning,
790 cpp_warning_with_line, cpp_pedwarn, cpp_pedwarn_with_line): Update.
791 * cpphash.h (_cpp_begin_message): Update prototype.
792 * cppinit.c (push_include): Don't set output line.
793 * cpplex.c (_cpp_lex_token): Callback for start of new output lines.
794 * cpplib.c (do_diagnostic, _cpp_pop_buffer): Update.
795 (do_pragma): Kludge for front ends. Don't expand macros at all.
796 * cpplib.h (cpp_lookahead, cpp_token_with_pos, cpp_get_line): Remove.
797 (struct cpp_token): Remove output_line.
798 (struct cpp_callbacks): New member line_change.
799 * cppmacro.c (builtin_macro, paste_all_tokens, replace_args,
800 cpp_get_token): Preserve BOL flag.
801 (cpp_get_line): Remove.
802 (_cpp_backup_tokens): Remove useless abort().
803 * cppmain.c (cb_line_change): New.
804 (scan_translation_unit): Don't worry about starting new lines here.
805 * scan-decls.c (scan_decls): Update.
806 * c-lex.c (c_lex, init_c_lex): Update.
807 (cb_line_change, src_lineno): New.
809 Fri Sep 14 13:54:50 EDT 2001 John Wehle (john@feith.com)
811 * tree.c (append_random_chars): Generate the random
812 characters in a reproducable fashion.
814 2001-09-14 Richard Henderson <rth@redhat.com>
816 * config/i386/i386.c (internal_label_prefix): New.
817 (internal_label_prefix_len): New.
818 (override_options): Set them.
819 (local_symbolic_operand): New.
820 (legitimate_pic_address_disp_p): Use it.
821 (legitimize_pic_address): Likewise.
823 2001-09-14 Marc Espie <espie@openbsd.org>
825 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Generate reference to GOT
828 2001-09-14 Roman Lechtchinsky <rl@cs.tu-berlin.de>
830 * config/alpha/alpha.md (unaligned_extendhidi_be): Fix.
831 * config/alpha/unicosmk.h (INIT_TARGET_OPTABS): New.
833 2001-09-14 Nick Clifton <nickc@cambridge.redhat.com>
835 * rtlanal.c (subreg_regno_offset): Add semicolon to end of
836 invocation of SUBREG_REGNO_OFFSET.
838 * haifa-sched.c: Fix typo in FSF copyright statement.
839 * sched-deps.c: Fix typo in FSF copyright statement.
840 * sched-ebb.c: Fix typo in FSF copyright statement.
841 * sched-rgn.c: Fix typo in FSF copyright statement.
842 * sched-vis.c: Fix typo in FSF copyright statement.
844 * config.gcc: Move inclusion of arm elf specific header files
845 from the files themselves into the tm_file variable. Make
846 sure that elfos.h is included before target specific elf
848 * config/arm/aout.h (NO_DOLLAR_IN_LABEL): Only define if not
850 (ASM_OUTPUT_ASCII, ASM_OUTPUT_SKIP): Protect definition.
851 * config/arm.arm.h (TARGET_MEM_FUNCTIONS,
852 ASM_OUTPUT_CASE_LABEL): Protect definition.
853 (CC1_SPEC, FP_DEFAULT, ARM_FUNCTION_PROFILE): Only define if
855 * config/arm/conix-elf.h: (USER_LABEL_PREFIX,
856 LOCAL_LABEL_PREFIX, MAKE_DECL_ONE_ONLY, UNIQUE_SECTION):
857 Remove duplicate definition.
858 (READONLY_DATA_SECTION, SUBTARGET_EXTRA_SECTION,
859 (SUBTARGET_EXTRA_SECTION_FUNCTION, RDATA_SECTION_ASM_OP,
860 (RDATA_SECTION_FUNCTION): Remove redundant definition.
861 (STARTFILE_SPEC, ENDFILE_SPEC): Protect definition.
862 Remove inclusion of arm/elf.h.
863 * config/arm/unknown-elf.h: as for conix-elf.h.
864 (STARTFILE_SPEC): Include crti.o and crtn.o.
865 * config/arm/linux-elf.h: as for conix-elf.h.
866 * config/arm/ecos-elf.h: Remove inclusion of unknown-elf.h.
867 * config/arm/strongarm-elf.h: Remove inclusion of
869 * config/arm/xscale-elf.h: Remove inclusion of unknown-elf.h.
870 * config/arm/unknown-elf-oabi.h: Remove inclusion of
871 unknown-elf.h and elf.h.
872 * config/arm/uclinux-elf.h: Remove inclusion of linux-elf.h.
873 * config/arm/linux-gas.h (DBX_DEBUGGING_INFO,
874 ASM_WEAKEN_LABEL): Remove redundant definition.
875 * config/arm/elf.h: Test for inclusion of elfos.h
876 (USER_LABEL_PREFIX, ASM_DECLARE_RESULT, ASM_DECLARE_RESULT,
877 ASM_DECLARE_OBJECT_NAME, ASM_FINISH_DECLARE_OBJECT_NAME,
878 SUBTARGET_EXTRA_SECTION, SUBTARGET_EXTRA_SECTION_FUNCTION,
879 EXTRA_SECTIONS, INT_ASM_OP, ASM_WEAKEN_LABEL): Remove
880 redundant definition.
881 (TYPE_OPERAND_FMT, ASM_DECLARE_FUNCTION_NAME,
882 ASM_DECLARE_FUNCTION_SIZE, ASM_OUTPUT_INTERNAL_LABEL,
883 ASM_OUTPUT_ALIGNED_COMMON): Protect definition.
884 * t-arm-elf (EXTRA_MULTILIB_PARTS): Add crti.o and crtn.o.
885 Add rules to build crti.o and crtn.o
886 * crti.asm: New file.
887 * crtn.asm: New file.
889 2001-09-13 Neil Booth <neil@daikokuya.demon.co.uk>
891 * c-parse.in (_yylex): Use _cpp_backup_tokens.
892 * cpphash.h (struct tokenrun): Add prev.
893 (struct lexer_state): Remove bol.
894 (struct cpp_reader): Remove old lookahead stuff, add lookaheads.
895 (_cpp_free_lookaheads, _cpp_release_lookahead, _cpp_push_token)
897 * cppinit.c (cpp_create_reader): Don't set bol.
898 (cpp_destroy): Don't free lookaheads.
899 * cpplex.c (lex_directive): Remove.
900 (next_tokenrun): Update.
901 (_cpp_lex_token): Clean up logic.
902 (lex_token): Update to return a pointer to lexed token, since it
903 can move to the start of the buffer. Simpify newline handling.
904 * cpplib.c (SEEN_EOL): Update.
905 (skip_rest_of_line): Remove lookahead stuff.
906 (end_directive): Line numbers are already incremented. Revert
907 to start of lexed token buffer if we can.
908 (_cpp_handle_directive, do_pragma, do_pragma_dependency,
909 parse_answer): Use _cpp_backup_tokens.
910 (run_directive, cpp_pop_buffer): Don't set bol, set saved_flags
911 instead. Don't check for EOL.
912 (do_include_common, do_line, do_pragma_system_header): Use
914 * cpplib.h (BOL, _cpp_backup_tokens): New.
915 * cppmacro.c (save_lookahead_token, take_lookahead_token,
916 alloc_lookahead, free_lookahead, _cpp_free_lookaheads,
917 cpp_start_lookahead, cpp_stop_lookahead, _cpp_push_token): Remove.
918 (builtin_macro): Don't use cpp_get_line.
919 (cpp_get_line): Short term kludge.
920 (parse_arg): Handle directives in arguments here. Back up when
921 appropriate. Store EOF at end of argument list.
922 (funlike_invocation_p): Use _cpp_backup_tokens.
923 (push_arg_context): Account for EOF at end of list.
924 (cpp_get_token): Remove lookahead stuff. Update.
926 2001-09-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
928 * c-parse.in (yyerror): Const-ification and/or static-ization.
929 * c-typeck.c (push_member_name): Likewise.
930 * collect2.c (main): Likewise.
931 * dbxout.c (dbxout_parms): Likewise.
932 * diagnostic.c (format_with_decl): Likewise.
933 * dwarf2out.c (output_ranges): Likewise.
934 * dwarfout.c (fundamental_type_code): Likewise.
935 * except.c (dw2_output_call_site_table): Likewise.
936 * gcc.c (do_spec_1): Likewise.
937 * genopinit.c (optabs): Likewise.
938 * objc/objc-act.c (synth_id_with_class_suffix, start_class,
939 gen_declaration_1, handle_impent): Likewise.
940 * protoize.c (default_include, in_system_include_dir, abspath):
942 * sched-vis.c (visualize_stall_cycles): Likewise.
943 * sdbout.c (plain_type_1, sdbout_end_function,
944 sdbout_end_epilogue): Likewise.
945 * varasm.c (decode_reg_name): Likewise.
947 * 1750a.c (mod_regno_adjust): Likewise.
948 * alpha.c (alpha_write_one_linkage,
949 unicosmk_output_default_externs): Likewise.
950 * arm.c (arm_condition_codes): Likewise.
951 * arm.h (arm_condition_codes): Likewise.
952 * avr.c (output_movsisf, encode_section_info): Likewise.
953 * darwin.h (GEN_BINDER_NAME_FOR_STUB, GEN_SYMBOL_NAME_FOR_SYMBOL):
955 * i386.c (hi_reg_name, qi_reg_name, qi_high_reg_name): Likewise.
956 * i386.h (hi_reg_name, qi_reg_name, qi_high_reg_name): Likewise.
957 * m88k.c (output_function_profiler): Likewise.
958 * mips.c (mips_output_conditional_branch): Likewise.
959 * ns32k.c (ns32k_out_reg_names): Likewise.
960 * ns32k.h (ns32k_out_reg_names): Likewise.
961 * pj.c (pj_output_rval): Likewise.
962 * rs6000.c (GEN_LOCAL_LABEL_FOR_SYMBOL): Likewise.
963 * sparc.c (sparc_flat_function_prologue,
964 sparc_flat_function_epilogue): Likewise.
966 2001-09-13 Markus Werle <numerical.simulation@web.de>
967 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
969 * doc/install.texi (Binaries): Add "Binaries for HP-UX 11.00 at
970 Aachen University of Technology".
972 2001-09-13 Andreas Schwab <schwab@suse.de>
974 * config/float-m68k.h: Define DECIMAL_DIG and FLT_EVAL_METHOD for
977 2001-09-13 Richard Henderson <rth@redhat.com>
979 * config/alpha/alpha.c (small_symbolic_operand): New.
980 (override_options): Set MASK_SMALL_DATA based on pic/PIC.
981 (some_operand, input_operand): Don't handle HIGH.
982 (alpha_legitimize_address): Use it. Emit HIGH with PLUS gp.
983 (alpha_expand_mov): Likewise.
984 (print_operand) [H]: Just print HIGH symbol.
985 (print_operand_address): Handle small data.
986 * config/alpha/alpha.h (MASK_SMALL_DATA, TARGET_SMALL_DATA): New.
987 (TARGET_SWITCHES): Add -msmall-data/large-data.
988 (PIC_OFFSET_TABLE_REGNUM): New.
989 (PREFERRED_RELOAD_CLASS): Don't handle HIGH.
990 (PREDICATE_COES): Update.
991 * config/alpha/alpha.md (adddi_er_high): New.
992 (adddi_er_low): Handle small data.
993 * config/alpha/elf.h (DO_SELECT_SECTION): If SMALL_DATA,
994 prefer .sdata to .rodata.
995 (SELECT_RTX_SECTION): Likewise.
997 2001-09-12 Josh Martin <josh.martin@abq.sc.philips.com>
999 * fixinc/inclhack.def(hpux11_size_t): Keep HP-UX headers from
1000 defining __size_t and leaving size_t undefined.
1002 2001-09-12 Diego Novillo <dnovillo@redhat.com>
1004 * basic-block.h (expunge_block): Declare.
1005 * cfg.c (expunge_block): Remove static declaration.
1007 2001-09-12 Richard Henderson <rth@redhat.com>
1009 * integrate.c (copy_insn_list): Copy label name from
1010 NOTE_INSN_DELETED_LABEL.
1012 2001-09-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1014 * c-common.c (c_tree_code_name): Const-ification.
1015 * c-decl.c (c_decode_option): Likewise.
1016 * c-typeck.c (warn_for_assignment): Likewise.
1017 * collect2.c (libexts, is_ctor_dtor, main, ignore_library):
1019 * cppinit.c (output_deps): Likewise.
1020 * dependence.c (dependence_string, direction_string): Likewise.
1021 * dwarf2out.c (output_ranges): Likewise.
1022 * fixinc/fixfixes.c (emit_gnu_type): Likewise.
1023 * fixinc/gnu-regex.c (re_error_msgid): Likewise.
1024 * gcc.c (standard_exec_prefix, standard_exec_prefix_1,
1025 standard_startfile_prefix, standard_startfile_prefix_1,
1026 standard_startfile_prefix_2, tooldir_base_prefix,
1027 standard_bindir_prefix, find_a_file): Likewise.
1028 * genattrtab.c (make_length_attrs): Likewise.
1029 * gencheck.c (tree_codes): Likewise.
1030 * genemit.c (gen_split): Likewise.
1031 * genrecog.c (special_mode_pred_table): Likewise.
1032 * graph.c (graph_ext): Likewise.
1033 * protoize (default_include): Likewise.
1034 * reload.c (reload_when_needed_name): Likewise.
1035 * sched-vis.c (visualize_stall_cycles): Likewise.
1036 * tlink.c (recompile_files): Likewise.
1037 * toplev.c (decode_g_option): Likewise.
1038 * tradcpp.c (output_deps): Likewise.
1039 * varasm.c (decode_reg_name): Likewise.
1041 * arm.c (arm_condition_codes, strings_fpa, thumb_condition_code):
1044 * avr.c (avr_regnames, encode_section_info): Likewise.
1045 * c4x.c (float_reg_names): Likewise.
1046 * darwin.h (ASM_GLOBALIZE_LABEL): Likewise.
1047 * elfos.h (const_section): Likewise.
1048 * i386.c (ix86_comp_type_attributes): Likewise.
1049 * i386/win32.h (STRIP_NAME_ENCODING): Likewise.
1050 * ia64/aix.h (UNIQUE_SECTION): Likewise.
1051 * ia64.c (type_names): Likewise.
1052 * m68hc11.c (reg_class_names): Likewise.
1053 * m88k.c (m_options): Likewise.
1054 * mips.c (mips_output_conditional_branch, mips_unique_section):
1056 * rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
1057 * sparc.c (sparc_flat_function_prologue, sparc_flat_function_epilogue,
1058 ultra_code_names): Likewise.
1059 * sparc.h (OVERRIDE_OPTIONS): Likewise.
1061 2001-09-12 Jakub Jelinek <jakub@redhat.com>
1063 * configure.in (gcc_cv_as_shf_merge): Fix a typo.
1064 Use --fatal-warnings option for gas.
1065 * configure: Rebuilt.
1067 2001-09-12 Roman Lechtchinsky <rl@cs.tu-berlin.de>
1069 * doc/install.texi (Specific, alphaev5-cray-unicosmk*): Document.
1071 2001-09-11 Jim Wilson <wilson@redhat.com>
1073 * alias.c (clear_reg_alias_info): Only handle pseudo registers.
1075 2001-10-11 Matt Kraai <kraai@alumni.carnegiemellon.edu>
1077 * builtins.c (c_strlen): Treat an offset too large for a
1078 HOST_WIDE_INT as out of range.
1080 Tue Sep 11 18:57:47 CEST 2001 Jan Hubicka <jh@suse.cz>
1082 * basic-block.h (EDGE_CRITICAL): Remove; renumber other flags.
1083 (EDGE_CRITICAL_P): New predicate.
1084 * cfg.c (force_nonfallthru_and_redirect, split_edge): Kill EDGE_CRITICAL
1086 (insert_insn_on_edge): Use EDGE_CRITICAL_P.
1087 (dump_edge_info): Remove "crit".
1088 * cfganal.c (mark_critical_edges): Kill.
1089 * cfgbuild.c (find_basic_blocks): Remove mark_critical_edges call.
1090 * cfgcleanup.c (cleanup_cfg): Likewise.
1091 * profile.c (instrument_edges): Use EDGE_CRITICAL_P.
1092 (find_spanning_tree): Likewise.
1093 * reg-stack.c (convert_regs_1): Likewise.
1094 * ssa.c (mark_regs_equivalent_over_bad_edges): Likewise.
1096 * basic-block.h (create_basic_block_structure): New.
1097 (create_basic_block): Update prototype.
1098 (force_nonfallthru): New.
1099 * bb-reorder.c (fixup_reorder_chain): Fixup use force_nonfallthru.
1100 * cfg.c (create_basic_block_structure): Rename from create_basic_block;
1101 handle updating of block_for_insn, creating of empty BBs and BBs at
1102 the end of INSN chain.
1103 (create_basic_block): New function.
1104 (split_block): Use create_basic_block.
1105 (force_nonfallthru_and_redirect): Break out from ...; cleanup
1106 (redirect_edge_and_branch_force): ... here.
1107 (force_nonfallthru): New.
1108 (split_edge): Rewrite to use force_nonfallthru and create_block.
1109 * cfgbuild.c (find_basic_blocks_1): Use create_basic_block_structure.
1110 (find_basic_blocks): Free basic_block_for_insn.
1111 * cfgcleanup.c (merge_blocks): Use force_nonfallthru.
1113 * cfg.c: Fix formating.
1114 * cfgcleanup.c: Fix formating.
1115 (merge_blocks, tail_recursion_label_p): Return bool.
1116 (merge_blocks_move_predecessor_nojumps,
1117 merge_blocks_move_successor_nojumps): Return void.
1119 2001-09-11 Jakub Jelinek <jakub@redhat.com>
1121 * configure.in: Check whether assembler supports section merging.
1122 * config.in: Rebuilt.
1123 * configure: Rebuilt.
1124 * varasm.c (variable_section, output_constant_pool): Pass alignment
1125 to SELECT_SECTION and SELECT_RTX_SECTION.
1126 (mergeable_string_section): New.
1127 (mergeable_constant_section): New.
1128 (default_elf_asm_named_section): Output SECTION_MERGE and
1129 SECTION_STRINGS flags plus SECTION_ENTSIZE entity size.
1130 * output.h (mergeable_string_section): New.
1131 (mergeable_constant_section): New.
1132 (SECTION_MERGE, SECTION_STRINGS, SECTION_ENTSIZE): Define.
1133 * toplev.c (flag_merge_constants): New.
1134 (f_options): Add -fmerge-constants and -fmerge-all-constants
1136 (toplev_main): Default to -fno-merge-constants if not optimizing.
1137 * flags.h (flag_merge_constants): Add extern.
1138 * invoke.texi (-fmerge-constants, -fmerge-all-constants): Document.
1139 * tm.texi (SELECT_SECTION, SELECT_RTX_SECTION): Document added third
1141 * config/elfos.h (ASM_SECTION_START_OP, ASM_OUTPUT_SECTION_START):
1142 Define if assembler has working .subsection -1 support.
1143 (SELECT_RTX_SECTION, SELECT_SECTION): Add third macro argument.
1144 Put constant into special SHF_MERGE sections if the linker should
1145 attempt to merge duplicates.
1146 * config/ia64/sysv4.h (SELECT_RTX_SECTION, SELECT_SECTION): Add third
1148 Put constant into special SHF_MERGE sections if the linker should
1149 attempt to merge duplicates.
1150 * config/alpha/elf.h: Likewise.
1151 (ASM_SECTION_START_OP, ASM_OUTPUT_SECTION_START): Define if assembler
1152 has working .subsection -1 support.
1153 * config/nextstep.h: Add third argument to SELECT_RTX_SECTION and
1155 * config/svr3.h: Likewise.
1156 * config/darwin.h: Likewise.
1157 * config/arm/aof.h: Likewise.
1158 * config/arm/linux-elf.h: Likewise.
1159 * config/avr/avr.h: Likewise.
1160 * config/c4x/c4x.h: Likewise.
1161 * config/d30v/d30v.h: Likewise.
1162 * config/i386/dgux.h: Likewise.
1163 * config/i386/osfrose.h: Likewise.
1164 * config/i386/sco5.h: Likewise.
1165 * config/i386/svr3gas.h: Likewise.
1166 * config/ia64/aix.h: Likewise.
1167 * config/m32r/m32r.h: Likewise.
1168 * config/m68k/m68k.h: Likewise.
1169 * config/m88k/dgux.h: Likewise.
1170 * config/m88k/m88k.h: Likewise.
1171 * config/mcore/mcore-pe.h: Likewise.
1172 * config/mips/mips.h: Likewise.
1173 * config/pa/pa.h: Likewise.
1174 * config/pa/pa-linux.h: Likewise.
1175 * config/romp/romp.h: Likewise.
1176 * config/rs6000/sysv4.h: Likewise.
1177 * config/rs6000/xcoff.h: Likewise.
1178 * config/s390/linux.h: Likewise.
1179 * config/sparc/sparc.h: Likewise.
1180 * config/sparc/sysv4.h: Likewise.
1181 * config/stormy16/stormy16.h: Likewise.
1182 * config/v850/v850.h: Likewise.
1183 * config/vax/vms.h: Likewise.
1184 * config/arm/arm.c (arm_elf_asm_named_section): Output SECTION_MERGE
1185 and SECTION_STRINGS flags plus SECTION_ENTSIZE entity size.
1186 * config/sparc/sparc.c (sparc_elf_asm_named_section): Use
1187 default_elf_asm_named_section for SHF_MERGE sections.
1189 Tue Sep 11 17:55:54 CEST 2001 Jan Hubicka <jh@suse.cz>
1191 * bb-reorder.c (fixup_reorder_chain): Fallthru edge to exit block
1194 2001-09-11 Joseph S. Myers <jsm28@cam.ac.uk>
1196 * c-common.c (split_specs_attrs): Allow for empty attributes with
1197 empty TREE_PURPOSE. Fixes PR c/4294.
1199 Tue Sep 11 11:37:52 CEST 2001 Jan Hubicka <jh@suse.cz>
1201 * basic-block.h (cached_make_edge, make_single_succ): New.
1202 (make_edge): Remove first parameter.
1203 * bb-reroder.c (fixup_reorder_chain): Use make_single_succ_edge.
1204 * cfg.c (cached_make_edge): Rename from make_edge; return newly
1205 created edge; use obstack allocation.
1206 (make_edge, make_single_succ_edge): New.
1207 (first_removed_edge): New static variable.
1208 (init_flow): Initialize first_removed_edge and n_edges.
1209 (clear_edges): Use remove_edge.
1210 (flow_delete_block): Likewise.
1211 (remove_edge): Add removed edges to the removed edges list.
1212 (split_block, redirect_edge_and_branch_force, split_edge):
1214 * cfganal.c (flow_call_edges_add): Updaet make_edge call.
1215 (add_noreturn_fake_exit_edges): Likewise.
1216 (connect_infinite_loops_to_exit): Liekwise.
1217 * cfgbuild.c (make_label_edge, make_edges, find_sub_basic_blocks):
1218 Use cached_make_edge.
1219 * cfgcleanup.c (try_crossjump_to_edge): Use make_single_succ_edge.
1220 * profile.c (branch_prob): Update make_edge call.
1221 * ssa-dce.c (ssa_eliminate_dead_code): Likewise.
1223 2001-09-11 Richard Henderson <rth@redhat.com>
1225 * config/alpha/alpha.c: Tidy formatting.
1226 (local_symbolic_operand): Verify mode.
1227 (alpha_sa_mask): Ignore unicos for eh_return.
1228 (alpha_expand_epilogue): Handle sp_adj2 zero, not NULL.
1229 * config/alpha/alpha.md (umk divsi patterns): Remove.
1230 (extendsfdf2): Remove unicos check.
1231 (tablejump): Merge vms and unicos code; always use direct set
1234 2001-09-11 Roman Lechtchinsky <rl@cs.tu-berlin.de>
1236 * config.gcc (alpha*-*-unicosmk*): New target.
1238 * config/alpha/alpha-protos.h (symbolic_operand,
1239 unicosmk_add_call_info_word, unicosmk_add_extern,
1240 unicosmk_defer_case_vector, unicosmk_unique_section,
1241 unicosmk_output_align, unicosmk_text_section, unicosmk_data_section,
1242 unicosmk_asm_file_start, unicosmk_asm_file_end,
1243 unicosmk_output_common): Declare.
1245 * config/alpha/alpha.c (NUM_ARGS, override_options, call_operand,
1246 direct_return, function_arg, alpha_va_start, alpha_va_arg,
1247 alpha_does_function_need_gp, alpha_end_function): Support Cray
1249 (alpha_init_machine_status, alpha_mark_machine_status,
1250 alpha_free_machine_status, unicosmk_output_deferred_case_vectors,
1251 unicosmk_gen_dsib, unicosmk_output_ssib, unicosmk_need_dex,
1252 unicosmk_asm_named_section, unicosmk_insert_attributes,
1253 unicosmk_section_type_flags, symbolic_operand,
1254 unicosmk_output_module_name, unicosmk_output_default_externs,
1255 unicosmk_output_dex, unicosmk_output_externs,
1256 unicosmk_output_addr_vec, unicosmk_ssib_name,
1257 unicosmk_initial_elimination_offset, unicosmk_asm_file_start,
1258 unicosmk_asm_file_end, unicosmk_output_common,
1259 unicosmk_section_type_flags, unicosmk_unique_section,
1260 unicosmk_add_call_info_word, unicosmk_text_section,
1261 unicosmk_data_section, unicosmk_extern_list, unicosmk_extern_head,
1262 unicosmk_add_extern, unicosmk_dex, unicosmk_dex_list,
1263 unicosmk_dex_count, unicosmk_special_name): New.
1264 (TARGET_INSERT_ATTRIBUTES, TARGET_SECTION_TYPE_FLAGS): Define for
1265 TARGET_ABI_UNICOSMK.
1266 (get_aligned_mem, alpha_expand_unaligned_load,
1267 alpha_expand_unaligned_store, alpha_expand_unaligned_load_words,
1268 alpha_expand_unaligned_store_words): Support big-endian mode.
1269 (print_operand): Likewise. New format specifier 't'. Use
1270 TARGET_AS_SLASH_BEFORE_SUFFIX.
1271 (alpha_is_stack_procedure): Rename from vms_is_stack_procedure.
1272 (alpha_pv_save_size): Update with above change.
1273 (alpha_sa_mask, alpha_sa_size, alpha_expand_prologue,
1274 alpha_start_function, alpha_expand_epilogue): Likewise. Support Cray
1277 * config/alpha/alpha.h (TARGET_ABI_UNICOSMK): New.
1278 (TARGET_ABI_OSF): Exclude TARGET_ABI_UNICOSMK.
1279 (TARGET_AS_SLASH_BEFORE_SUFFIX): New.
1280 (EXTRA_CONSTRAINT): New constraint 'U'.
1281 (PREDICATE_CODES): Add symbolic_operand.
1283 * config/alpha/alpha.md (UNSPEC_UMK_LAUM, UNSPEC_UMK_LALM,
1284 UNSPEC_UMK_LAL, UNSPEC_UMK_LOAD_CIW): New constants.
1285 (mulsi3, *mulsi_se, mulvsi3): Disable for TARGET_ABI_UNICOSMK.
1286 (integer division and modulus patterns): Split in default and
1288 (*divmodsi_internal, *divmoddi_internal): Disable for
1289 TARGET_ABI_UNICOSMK.
1290 (unaligned_extend?idi, unaligned_load?i, unaligned_store?i): Split in
1291 little-endian and big-endian versions.
1292 (ext, ins, msk): Likewise.
1293 (extv, extzv, insv): Support big-endian mode.
1294 (call, call_value, tablejump): Support TARGET_ABI_UNICOSMK.
1295 (call_umk, call_value_umk, *call_umk, tablejump_umk,
1296 *tablejump_umk_internal, *call_value_umk): New.
1297 (*movdi_nofix): Add pattern for loading an address into a register on
1298 TARGET_ABI_UNICOSMK.
1299 (umk_laum, umk_lal, umk_lalm, *umk_load_ciw): New.
1300 (umk_mismatch_args, arg_home_umk): New.
1301 (various insns): Don't use mov, fmov, nop, fnop and unop.
1302 (realign): Support TARGET_ABI_UNICOSMK.
1304 * config/alpha/unicosmk.h: New file.
1305 * config/alpha/t-unicosmk: New file.
1307 * fixinc/inclhack.def (unicosmk_restrict): New.
1308 * fixinc/fixincl.x: Regenerate.
1310 * ginclude/stddef.h (size_t): Check for and define __SIZE_T__.
1311 (wchar_t): Check for and define __WCHAR_T__.
1313 2001-09-11 Richard Sandiford <rsandifo@redhat.com>
1315 * combine.c (simplify_shift_const): Treat shifts by the mode
1318 2001-09-11 Neil Booth <neil@daikokuya.demon.co.uk>
1320 * cpphash.h (struct tokenrun): New.
1321 (struct cpp_context): New member bol.
1322 (struct cpp_reader): New members.
1323 (_cpp_init_tokenrun): New.
1324 * cppinit.c (cpp_create_reader): Set up the token runs.
1325 * cpplex.c (lex_directive, lex_token, next_tokenrun): New.
1326 (lex_token): New internalised version of _cpp_lex_token. Don't
1327 handle directives or the multiple include opimisation here any
1328 more. Simply lex a token.
1329 * cpplib.c (run_directive): Clear bol.
1330 (_cpp_pop_buffer): Set bol.
1331 * cppmacro.c (funlike_invocation_p): Keep tokens whilst parsing
1334 2001-09-11 Michael Meissner <meissner@redhat.com>
1336 * config/mips/mips.h (CC1_SPEC): If -mgp32 default to -mfp32, and
1337 give an error if the user uses -mfp32.
1338 (CPP_FPR_SPEC): Define __mips_fpr to be 32 or 64 depending on the
1340 (CPP_SPEC): Define __mips_fpr to be 32 or 64, depending on the
1341 floating point register size.
1342 (EXTRA_SPECS): Add CPP_FPR_SPEC.
1344 * config/mips/netbsd.h (ASM_FINISH_DECLARE_OBJECT): Use
1345 HOST_WIDE_INT_PRINT_DEC to properly print the result of
1347 * config/mips/elf.h (ASM_FINISH_DECLARE_OBJECT): Ditto.
1348 * config/mips/elf64.h (ASM_FINISH_DECLARE_OBJECT): Ditto.
1350 2001-09-11 Hans-Peter Nilsson <hp@axis.com>
1352 * dbxout.c (dbxout_parms): Fix typo in comment.
1353 * unroll.c (loop_find_equiv_value): Ditto.
1354 * toplev.c (rest_of_compilation): Ditto.
1355 * loop.c (scan_loop): Ditto.
1356 * dwarf2out.c (struct dw_fde_struct): Ditto.
1358 2001-09-10 Zack Weinberg <zackw@panix.com>
1360 * cpplex.c (parse_identifier): Fast-path optimize. Avoid
1361 copying identifier when we're just going to throw it away.
1362 (parse_identifier_slow): New routine to handle abnormal cases.
1363 (_cpp_lex_token): Update call site.
1365 * hashtable.c (ht_lookup): Don't assume that the string we've
1366 been given is NUL-terminated.
1367 * system.h: #define __builtin_expect(a, b) to (a) if not
1370 2001-09-10 Michael Meissner <meissner@redhat.com>
1372 * config.gcc (sparc64-*-solaris2): Add alias to be compatible with
1375 2001-09-10 David Edelsohn <edelsohn@gnu.org>
1377 * config/rs6000/t-aix43 (SHLIB_INSTALL): Use mode 751 (a+x,r-o).
1379 Mon Sep 10 16:26:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1381 * builtins.c (c_getstr): Correct thinko in last change and further
1384 2001-09-10 Tim Freeman <tim@fungibole.com>
1386 * dwarf2out.c (incomplete_types, decl_scope_table): Make them
1387 into varray's and register them as roots with the garbage
1388 collector so they are not collected too soon.
1390 Mon Sep 10 14:21:26 CEST 2001 Jan Hubicka <jh@suse.cz>
1392 * Makefile.in (cfg.o, cfganal.o, cfgloop.o, cfgbuild.o, cfgcleanup.o):
1394 * basic-block.h (flow_obstack, label_value_list,
1395 tail_recursion_label_list): Declare
1396 (tidy_fallthru_edges): Declare.
1397 (expunge_block, last_loop_beg_note): Delete.
1398 (can_fallthru, flow_nodes_print, flow_edge_list_print): Declare.
1400 (basic_block_for_insn, label_value_list): Move from flow.c; make global.
1401 (n_basic_blocks, n_edges, basic_block_info, entry_exit_blocks,
1402 init_flow, clear_edges, can_delete_note_p, can_delete_label_p,
1403 flow_delete_insn, flow_delete_insn_chain, create_basic_block,
1404 expunge_block, flow_delete_block, compute_bb_for_insn,
1405 update_bb_for_insn, set_block_for_insn, set_block_for_new_insns,
1406 make_edge, remove_edge, redirect_edge_succ, redirect_edge_succ_nodup,
1407 redirect_edge_pred, split_block, marge_blocks_nomove, block_label,
1408 try_redirect_by_replacing_jump, last_loop_beg_note,
1409 redirect_edge_and_branch, redirect_edge_and_branch_force,
1410 tidy_fallthru_edge, tidy_fallthru_edges, back_edge_of_syntactic_loop_p,
1411 split_edge, insert_insn_on_edge, commit_one_edge_insertion,
1412 commit_edge_insertions, dump_flow_info, debug_flow_info,
1413 dump_edge_info, dump_bb, debug_bb, debug_bb_n, print_rtl_with_bb,
1414 verify_flow_info, purge_dead_edges, purge_all_dead_edges):
1415 Move here from flow.c
1416 * cfganal.c: New file.
1417 (forwarder_block_p, can_fallthru, mark_critical_edges,
1418 mark_dfs_back_edges, need_fake_edge_p, flow_call_edges_add,
1419 find_unreachable_blocks, create_edge_list, free_edge_list,
1420 print_edge_list, verify_edge_list, find_edge_index, flow_nodes_print,
1421 flow_edge_list_print, remove_fake_successors, remove_fake_edges,
1422 add_noreturn_fake_exit_edges, connect_infinite_loops_to_exit,
1423 flow_reverse_top_sort_order_compute, flow_depth_first_order_compute,
1424 flow_dfs_compute_reverse_init, flow_dfs-compute_reverse_add_bb,
1425 flow_dfs-compute_reverse_execute, flow_dfs_compute_reverse_finish);
1426 Move here from flow.c
1427 * cfgbuild.c: New file
1428 (count_basic_blocks, find_label_refs, make_label_edge, make_eh_edge,
1429 make_edges, find_basic_blocks_1, find_basic_blocks,
1430 find_sub_basic_blocks): Move here from flow.c
1431 * cfgcleanup.c: New file.
1432 (try_simplify_condjump, try_forward_edges, tail_recursion_label_p,
1433 merge_blocks_move_predecessor_nojumps,
1434 merge_blocks_move_successor_nojumps, merge_blocks,
1435 flow_find_cross_jump, outgoing_edges_match, try_crossjump_to_edge,
1436 try_crossjump_bb, try_optimize_cfg): Move here from flow.c
1437 (delete_unreachable_blocks, cleanup_cfg): Likewise; return true
1439 * cfgloop.c: New file
1440 (flow_loops_cfg_dump, flow_loop_nested_p, flow_loop_dump,
1441 flow_loops_dump, flow_loops_free, flow_loop_entry_edges_find,
1442 flow_loop_exit_edges_find, flow_loop_nodes_find,
1443 flow_loop_pre_header_scan, flow_loop_pre_header_find,
1444 flow_loop_tree_node_add, flow_loops_tree_build,
1445 flow_loop_level_compute, flow_loops_level_compute, flow_loop_scan,
1446 flow_loops_find, flow_loops_update, flow_loop_outside_edge_p):
1447 Move here from flow.c
1448 * flow.c: Remove everything moved elsewhere
1449 * output.h (cleanup_cfg): Return bool.
1451 * bb-reorder.c (reorder_block_def): Remove 'index'.
1452 (insert_intra_1): Add argument BB, set block for new note.
1453 (make_reorder_chain): Do not depdent on BB indexes.
1454 (make_reorder_chain_1): Do not use BB indexes.
1455 (label_for_bb): Likewise; set BB for new insn.
1456 (emit_jump_to_block_after): Likewise.
1457 (fixup_reoder_chain): Sanity check that all basic blocks
1458 are chained; verify newly created insn chain; remove
1459 undocnitional jump simplifying; Do not use BB indexes;
1460 properly initialize count and frequency information;
1461 dump reordered sequence.
1462 (insert_intra_bb_scope_notes): update call of insert_intra_1.
1463 (insert_inter_bb_scope_notes): Set block for new insn.
1464 (reorder_basic_blocks): Dump flow info before reoredering.
1466 Mon Sep 10 06:47:35 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1468 * alias.c (clear_reg_alias_info): Use K&R format definition.
1469 Avoid unsigned warning.
1470 * builtins.c: Use "unsigned int", not "unsigned".
1471 (target_char_cast): Use host_integerp and tree_low_cst.
1472 (expand_builtin_args_info, expand_builtin_frame_address): Likewise.
1473 (c_strlen): Likewise; OFFSET now HOST_WIDE_INT.
1474 (c_getstr): Likewise.
1475 (std_expand_builtin_va_arg): Use int_size_in_bytes.
1476 (builtin_memcpy_read_str): Avoid unsigned warning.
1477 (expand_builtin_memcpy): Alignments are unsigned.
1478 (expand_builtin_strncpy, expand_builtin_memset): Likewise.
1479 (expand_builtin_expect_jump): Use integer_zerop and integer_onep.
1480 * predict.c (expensive_function_p): LIMIT now unsigned.
1481 * resource.c (mark_target_live_regs): Make some vars unsigned.
1482 * sdbout.c: Use "unsigned int", not "unsigned".
1483 (MAKE_LINE_SAFE): Add cast to avoid unsigned warning.
1484 (sdbout_source_line): Likewise.
1485 (sdbout_record_type_name): Remove "const" for NAME declaration.
1486 * config/alpha/alpha.c (alpha_expand_block_move): Whitespace fixes.
1488 2001-09-10 Richard Sandiford <rsandifo@redhat.com>
1490 * calls.c (store_one_arg): Expand comment.
1492 2001-09-10 Roman Lechtchinsky <rl@cs.tu-berlin.de>
1494 * calls.c (store_one_arg): Make sure that the entire argument is
1495 pushed if STACK_PARMS_IN_REG_PARM_AREA is defined.
1497 2001-09-09 Richard Henderson <rth@redhat.com>
1499 * emit-rtl.c (adjust_address): Fix mode for LO_SUM.
1501 Sun Sep 9 10:43:17 CEST 2001 Jan Hubicka <jh@suse.cz>
1503 * loop.c (combine_givs): Fix computing of benefit once giv is combined.
1505 2001-09-09 Richard Henderson <rth@redhat.com>
1507 * config/alpha/alpha.c (alpha_next_sequence_number): New.
1508 (alpha_this_literal_sequence_number): New.
1509 (alpha_this_gpdisp_sequence_number): New.
1510 (some_operand, input_operand): Add HIGH.
1511 (local_symbolic_operand): New.
1512 (alpha_encode_section_info): New.
1513 (alpha_legitimate_address_p): Allow LO_SUM.
1514 (alpha_legitimize_address): Generate HIGH+LO_SUM.
1515 (alpha_expand_mov): Likewise.
1516 (secondary_reload_class): Check memory_operand not general_operand
1518 (alpha_expand_unaligned_load): Force LO_SUM addresses into a register.
1519 (alpha_expand_unaligned_store): Likewise.
1520 (alpha_expand_unaligned_load_words): Likewise.
1521 (alpha_expand_unaligned_store_words): Likewise.
1522 (alpha_expand_block_clear): Likewise.
1523 (print_operand): Handle %#, %*, %H.
1524 (print_operand_address): Handle LO_SUM.
1526 (alpha_does_function_need_gp): Use it.
1527 (alpha_expand_block_move): Fix signed compare warnings.
1528 (alpha_sa_mask, alpha_align_insns): Likewise.
1529 * config/alpha/alpha-protos.h: Update.
1530 * config/alpha/alpha.h (TARGET_EXPLICIT_RELOCS): New.
1531 (MASK_EXPLICIT_RELOCS): New.
1532 (TARGET_SWITCHES): Add -mexplicit-relocs.
1533 (EXTRA_CONSTRAINT): Add 'T'.
1534 (PREFERRED_RELOAD_CLASS): HIGH goes in GENERAL_REGS.
1535 (ASM_APP_ON, ASM_APP_OFF): Turn on and off asm macro expansion.
1536 (ENCODE_SECTION_INFO): Out line.
1537 (REDO_SECTION_INFO_P): New.
1538 (STRIP_NAME_ENCODING): New.
1539 (ASM_OUTPUT_LABELREF): New.
1540 (PRINT_OPERAND_PUNCT_VALID_P): Add #, *.
1541 (PREDICATE_CODES): Update.
1542 * config/alpha/alpha.md (divmodsi_internal_er, divmoddi_internal_er,
1543 call_osf_1_er_noreturn, call_osf_1_er, movdi_er_low, movdi_er_nofix,
1544 movdi_er_fix, prologue_ldgp_1_er, builtin_setjmp_receiver_sub_label_er,
1545 builtin_setjmp_receiver_er, exception_receiver_1_er,
1546 call_value_osf_1_er): New patterns.
1547 (sibcall_osf_1, sibcall_value_osf_1): Remove register alternative.
1548 (movqi, movhi, movsi): Add explicit $31 base register to lda.
1549 * config/alpha/elf.h (ASM_FILE_START): Set nomacro if explicit relocs.
1550 (FINAL_PRESCAN_INSN): New.
1552 Sat Sep 8 22:00:55 CEST 2001 Jan Hubicka <jh@suse.cz>
1554 * reg-stack.c (subst_stack_regs_pat): Fix fcmov reversal code.
1556 2001-09-08 Andreas Jaeger <aj@suse.de>
1558 * i386.h (TARGET_SWITCHES): Fix description.
1560 2001-09-07 David Edelsohn <edelsohn@gnu.org>
1562 * rs6000.c (num_insns_constant): Compute number of instructions
1565 * doc/install.texi: Explain AIX exception handling work-around.
1566 Update URL for AIX fixes.
1568 2001-09-07 Jim Wilson <wilson@redhat.com>
1570 * alias.c (clear_reg_alias_info): New.
1571 * flow.c (attempt_auto_inc): Call clear_reg_alias_info.
1572 * rtl.h (clear_reg_alias_info): Declare.
1574 2001-09-07 Roman Lechtchinsky <rl@cs.tu-berlin.de>
1576 * real.c (EMUSHORT,EMUSHORT_SIZE): Use HImode if no 16-bit type is
1578 (UEMUSHORT): New. Use instead of unsigned EMUSHORT.
1579 (m16m,edivm,emulm): Change declaration to match definition.
1581 2001-09-07 Roman Lechtchinsky <rl@cs.tu-berlin.de>
1583 * reload.c (push_reload): Check for subreg_lowpart_p instead of
1584 SUBREG_BYTE being 0 when determining if the inner part of a subreg
1587 2001-09-07 Roman Lechtchinsky <rl@cs.tu-berlin.de>
1589 * c-common.c (signed_or_unsigned_type): Handle machine mode types
1590 which have no corresponding C type.
1591 * fold_const.c (target_isinf,target_isnan,target_negative): Update
1592 the representation of 64-bit doubles to work with 64-bit ints.
1594 2001-09-07 Aldy Hernandez <aldyh@redhat.com>
1596 * config/mips/mips.c (override_options): Do not override ISA when ABI
1597 specified if MIPS_CPU_STRING_DEFAULT was specified.
1599 2001-09-07 Richard Henderson <rth@redhat.com>
1601 * loop.c (record_giv): Avoid simplifying MULT to ASHIFT.
1602 (express_from_1): Wrap lines.
1603 * rtlanal.c (commutative_operand_precedence): Rename from
1604 operand_preference; export.
1605 * rtl.h: Declare it.
1606 * simplify-rtx.c (simplify_gen_binary): Tidy +/- const_int handling.
1607 (simplify_binary_operation): Invoke simplify_plus_minus on
1608 (CONST (PLUS ...)) as well.
1609 (struct simplify_plus_minus_op_data): New.
1610 (simplify_plus_minus_op_data_cmp): New.
1611 (simplify_plus_minus): Use them. Avoid infinite recursion with
1612 simplify_binary_operation wrt CONST.
1614 Fri Sep 7 11:52:30 2001 Kazu Hirata <kazu@hxi.com>
1616 * h8300-protos.h (general_operand_dst_push): Remove.
1617 * h8300.c (general_operand_dst_push): Likewise.
1618 * h8300.h (OK_FOR_T): Likewise.
1619 (EXTRA_CONSTRAINTS): Do not use OK_FOR_T.
1620 * h8300.md (pushqi_h8300): New.
1621 (pushqi_h8300hs): Likewise.
1623 (pushhi_h8300): Likewise.
1624 (pushhi_h8300hs): Likewise.
1627 Fri Sep 7 12:56:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1629 * genattrtab.c (attr_printf): First arg is unsigned.
1630 Clean up formatting of callers.
1632 2001-09-06 Aldy Hernandez <aldyh@redhat.com>
1634 * config/mips/mips.c (override_options): Allow abi32 with 64 bit
1637 2001-09-07 Andreas Jaeger <aj@suse.de>
1639 * i386.h (TARGET_SWITCHES): Fix descriptions.
1641 2001-09-07 Matt Kraai <kraai@alumni.carnegiemellon.edu>
1643 * stor-layout.c (compute_record_mode): Check DECL_SIZE is set.
1645 2001-09-06 Ira Ruben <ira@apple.com>
1647 Remove OP_IDENTIFIER.
1648 * tree.def (OP_IDENTIFIER): Remove.
1649 * tree.c (tree_node_kind enum): Remove op_id_kind.
1650 (tree_node_kind_names): Remove "op_identifiers".
1651 (make_node): Remove OP_IDENTIFIER test.
1652 (build_op_identifier): Removed because it isn't being used.
1653 * print-tree.c (print_node): Remove OP_IDENTIFIER case.
1654 * cp/pt.c (tsubst): Remove OP_IDENTIFIER case.
1656 2001-09-06 Richard Henderson <rth@redhat.com>
1658 * simplify-rtx.c (simplify_binary_operation): Revert last change.
1660 2001-09-06 Richard Henderson <rth@redhat.com>
1662 * simplify-rtx.c (simplify_binary_operation): Simplify contents
1665 2001-09-06 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1667 * config/rs6000/rs6000.c (rs6000_emit_prologue): Fix DWARF2 register
1668 number used for CR register.
1670 Thu Sep 6 11:16:35 2001 Jeffrey A Law (law@cygnus.com)
1671 Joern Rennecke (amylaar@cygnus.com)
1673 * h8300-protos.h (h8300_return_addr_rtx): New prototype.
1674 * h8300.c (initial_offset): Handle offset between RP and FP.
1675 (h8300_return_addr_rtx): New function.
1676 * h8300.h (FIRST_PSEUDO_REGISTER): Bump now that we have a
1678 (FIXED_REGISTERS, CALL_USED_REGISTERS): Corresponding changes.
1679 (REG_ALLOC_ORDER, RETURN_ADDRESS_POINTER_REGNUM): Likewise.
1680 (REG_CLASS_CONTENTS, ELIMINABLE_REGS): Likewise.
1681 (CAN_ELIMINATE, REGISTER_NAMES):
1682 (RETURN_ADDR_RTX): Call h8300_return_addr_rtx.
1684 2001-09-06 Nathan Sidwell <nathan@codesourcery.com>
1686 Remove TYPE_NONCOPIED_PARTS.
1687 * tree.h (TYPE_NONCOPIED_PARTS): Remove.
1688 (struct tree_type): Remove noncopied_parts.
1689 * c-tree.h (TYPE_ACTUAL_ARG_TYPES): Map onto TYPE_BINFO.
1690 * expr.c (save_noncopied_parts, init_noncopied_parts): Remove.
1691 (fixed_type_p): Remove.
1692 (expand_expr, INIT_EXPR): Don't deal with noncopied parts.
1693 (expand_expr, MODIFY_EXPR): Likewise.
1694 * ggc-common.c (ggc_mark_trees): Remove TYPE_NONCOPIED_PARTS.
1695 * doc/c-tree.texi: Remove TYPE_NONCOPIED_PARTS FIXME.
1697 2001-09-06 Alan Modra <amodra@bigpond.net.au>
1699 * config/rs6000/rs6000.c (mask_operand): Use signed vars to avoid
1701 (mask64_operand): Likewise.
1702 (includes_rldic_lshift_p): Likewise.
1703 (includes_rldicr_lshift_p): Likewise.
1705 2001-09-05 Ziemowit Laski <zlaski@apple.com>
1707 * objc/objc-act.c (build_message_expr): If a class method cannot
1708 be found, do not issue a warning if a corresponding instance
1709 method exists in the root class.
1711 2001-09-05 Richard Henderson <rth@redhat.com>
1713 * config/alpha/alpha.c (alpha_expand_mov): Initialize temp.
1715 2001-09-05 Zack Weinberg <zack@codesourcery.com>
1717 * function.c (ggc_mark_struct_function): Mark f->outer.
1718 * toplev.c (rest_of_compilation): Clear DECL_SAVED_INSNS here...
1719 * integrate.c (output_inline_function): ... not here.
1721 Wed Sep 5 17:28:49 CEST 2001 Jan Hubicka <jh@suse.cz>
1723 * profile.c (branch_prob): Call add_noreturn_fake_exit_edges.
1725 * i386.c (size_cost): New static variable.
1726 (override_function): Use size_cost when -Os is specified.
1728 * i386.c (ix86_expand_prologue): Set use_fast_prologue_epilogue
1729 properly; Use current_function_calls_eh_return.
1730 (ix86_expand_epilogue): Avoid dummy optimize_size tests;
1731 use leave to avoid depdendancy chain.
1733 * local-alloc.c (update_equiv_regs): Use CFG to iterate over INSN stream;
1734 get BB loop_depth instead of computing it from LOOP notes.
1736 * reg-stack.c (subst_stack_reg_pat): Handle reversal of conditional moves.
1738 2001-09-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
1740 * som.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
1741 * pa.h (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
1742 UNALIGNED_DOUBLE_INT_ASM_OP): Define
1744 2001-09-05 Jeffrey A Law (law@cygnus.com)
1745 Jason Merrill (jason@redhat.com)
1747 * stor-layout.c (layout_type): Complain if an array's size can
1748 not be represented in a size_t.
1750 * config/h8300/elf.h (ENDFILE_SPEC, STARTFILE_SPEC): Define.
1752 2001-09-05 David Billinghurst <David.Billinghurst@riotinto.com>
1754 * gcc.c: (process_command) Add parentheses around assignment
1755 used as truth value.
1757 2001-09-05 Richard Sandiford <rsandifo@redhat.com>
1759 * config/mips/mips.c (save_restore_insns): Don't mark any register
1760 save slots as unchanging if current_function_calls_eh_return.
1762 2001-09-05 Richard Henderson <rth@redhat.com>
1764 * config/alpha/alpha.c (alpha_legitimate_address_p): New.
1765 * config/alpha/alpha-protos.h: Declare it.
1766 * config/alpha/alpha.h (GO_IF_LEGITIMATE_ADDRESS): Move to c file.
1767 (NONSTRICT_REG_OK_FOR_BASE_P): Rename from non-strict macro.
1768 (NONSTRICT_REG_OK_FP_BASE_P): Likewise.
1769 (STRICT_REG_OK_FOR_BASE_P): Rename from strict macro.
1770 (REG_OK_FOR_BASE_P): Select one of the above.
1772 2001-09-05 Richard Sandiford <rsandifo@redhat.com>
1774 * config/mips/t-elf (EXTRA_PARTS): Use EXTRA_MULTILIB_PARTS instead.
1775 (crti.o): Prefix name of object file with $(T).
1778 2001-09-05 David S. Miller <davem@redhat.com>
1780 * config/sparc/linux.h: Set CPLUSPLUS_CPP_SPEC.
1781 * config/sparc/linux64.h: Likewise.
1783 2001-09-05 Andreas Jaeger <aj@suse.de>
1785 * doc/invoke.texi (i386 Options): -mwide-multiply is not
1786 available anymore, remove the documentation.
1787 (i386 Options): Fix typo, cleanup index entries.
1789 * prefix.c (concat): Remove, we can use the version from liberty.
1791 2001-09-05 Richard Henderson <rth@redhat.com>
1793 * config/alpha/alpha.c (alpha_expand_mov, alpha_expand_mov_nobwx):
1794 New functions split out of md file expanders.
1795 * config/alpha/alpha-protos.h: Declare them.
1796 * config/alpha/alpha.md (movqi, movhi, movsi, movdi): Use them.
1798 2001-09-05 Neil Booth <neil@daikokuya.demon.co.uk>
1800 * cppmacro.c (funlike_invocation_p): No need to restore context.
1802 2001-09-04 Richard Henderson <rth@redhat.com>
1804 * reload.c (push_reload): Export.
1805 * reload.h (push_reload): Declare it.
1807 * config/alpha/alpha.h (LEGITIMIZE_ADDRESS): Move out o' line.
1808 (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
1809 * config/alpha/alpha.c (alpha_legitimize_address): New.
1810 (alpha_legitimize_reload_address): Likewise.
1811 * config/alpha/alpha-protos.h: Declare them.
1813 2001-09-04 Stan Shebs <shebs@apple.com>
1815 * config/darwin.h (ASM_DECLARE_FUNCTION_NAME): Define.
1816 * config/darwin.c (machopic_stub_name): Account for internally
1817 generated lib calls such as memcpy.
1819 2001-09-04 Richard Henderson <rth@redhat.com>
1821 * unwind.h (_UA_END_OF_STACK): New flag.
1822 * unwind.inc (_Unwind_ForcedUnwind_Phase2): Set it.
1824 Tue Sep 4 11:16:35 2001 Jeffrey A Law (law@cygnus.com)
1826 * h8300/elf.h (LINK_SPEC): Redefine appropriately for the H8.
1828 2001-09-04 Richard Sandiford <rsandifo@redhat.com>
1830 * config/mips/mips.c (save_restore_insns): Change base_offset to
1831 fp_offset in second call to mips_emit_frame_related_store.
1833 2001-09-04 Hans-Peter Nilsson <hp@axis.com>
1835 * doc/rtl.texi: Mention that besides as a CODE_LABEL, a label can
1836 sometimes be represented as a NOTE of type
1837 NOTE_INSN_DELETED_LABEL.
1838 (Insns): Document NOTE_INSN_DELETED_LABEL.
1840 2001-09-04 Nathan Sidwell <nathan@codesourcery.com>
1842 * c-common.h (tree_dump_index): Add more comments.
1843 * c-dump.c (dump_files): Name flags `tree' rather than `ast'.
1844 (dump_option_value_info): New struct.
1845 (dump_options): New array.
1846 (dump_switch_p): Parse switch options symbolically.
1847 * doc/invoke.texi (-fdump-ast): Rename to ...
1848 (-fdump-tree): ... here. Document that options are symbolic, and
1849 not all are applicable.
1851 2001-09-04 David S. Miller <davem@redhat.com>
1853 * config/sparc/sparc.md (define_splits): Kill constraints.
1855 Cleanup redundant and unused insn attributes.
1856 * config/sparc/sparc.md (define_attr "insn"): Kill address, unary,
1857 binary, and move. Mark ialu as default.
1858 (commented out define_function_unit "alu"): Kill.
1859 (define_attr "use_clobbered"): Kill.
1860 (whole file): Kill address insn type references. Replace
1861 all unary/binary/move references with ialu.
1862 * config/sparc/sparc.c (whole file): Kill TYPE_ADDRESS
1863 references. Replace TYPE_{UNARY,BINARY,MOVE} references with
1866 Simplify length insn attribute and make more judicious use
1867 of insn attribute defaulting.
1868 * config/sparc/sparc.md (all insns with length > one): Mark as
1869 insn type multi if real instructions, else use default if
1870 it is a forced splitter.
1871 (all insns with length == one): Use default insn length.
1872 (all insns of type ialu): Use default insn type.
1874 Fix erroneous insn attribute settings.
1875 (addx): Set insn type to misc.
1876 (mulsidi3_sp64, const_mulsidi3_sp64, umulsidi3_sp64,
1877 const_umulsidi3_sp64): Set insn type to imul.
1879 Track SFmode vs DFmode insns according to UltraSPARC
1881 * config/sparc/sparc.md ("fptype"): New attribute, default
1883 (all DFmode single insns): Mark as fptype "double".
1885 2001-09-03 Jakub Jelinek <jakub@redhat.com>
1887 * loop.c (express_from_1): Fix CONSTANT_P(a) case.
1889 2001-09-03 Richard Henderson <rth@redhat.com>
1891 * function.h (struct function): Add arg_pointer_save_area_init.
1892 * function.c (expand_function_end): Init arg_pointer_save_area.
1893 (get_arg_pointer_save_area): Do not init arg_pointer_save_area
1894 when called from a nested function.
1896 2001-09-02 Angela Marie Thomas <angela@cygnus.com>
1898 * fixinc/Makefile.in: Regenerate fixincl.x only if maintainer-mode
1901 Sun Sep 2 18:37:54 CEST 2001 Jan Hubicka <jh@suse.cz>
1903 * reload1.c (fixup_abnormal_edges): Allow NOTEs in the sequence.
1905 2001-09-01 Geoffrey Keating <geoffk@redhat.com>
1907 * expr.c (push_block): Make sane use of STACK_GROWS_DOWNWARD.
1908 (emit_push_insn): Use specified padding direction when
1909 STACK_PUSH_CODE is POST_INC.
1911 * config/stormy16/stormy16.h (DWARF2_UNWIND_INFO): Define to 0.
1913 2001-09-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1915 * mips.h (INITIAL_ELIMINATION_OFFSET): Add missing `else abort'.
1917 2001-09-01 Neil Booth <neil@daikokuya.demon.co.uk>
1919 * cppinit.c (cpp_start_read): Free the imacros list as we
1920 traverse it. Don't free the chains before returning.
1921 (_cpp_push_next_buffer): Only try pushing buffers if we've
1922 completed -imacros handling.
1924 2001-08-31 Eric Christopher <echristo@redhat.com>
1926 * gcc.c (handle_braces): Add explaination for abort.
1928 2001-08-30 Roman Zippel <zippel@linux-m68k.org>
1930 * expmed.c (store_bit_field): Update to patch from 2001-08-27:
1931 move adjustment of bitpos instead.
1933 2001-08-31 Zack Weinberg <zack@codesourcery.com>
1935 * function.c: Remove all_functions. Make outer_function_chain
1937 (init_function_start): Don't add new function structure to
1939 (find_function_data, push_function_context_to,
1940 pop_function_context_from, put_var_into_stack,
1941 trampoline_address): Update for changed structure element names.
1942 (push_function_context_to): Disentangle.
1943 (free_after_compilation): Also free F.
1944 (expand_dummy_function_end): Don't free cfun here.
1945 (put_var_into_stack): Comment why we can't use find_function_data here.
1946 (fix_lexical_addr, trampoline_address, ): Use find_function_data.
1947 (mark_function_chain): Split into maybe_mark_struct_function and
1948 ggc_mark_struct_function. Export the latter.
1949 (init_function_once): Mark from cfun and outer_function_chain;
1952 * function.h (struct function): Kill next_global. Rename next
1953 to outer. All users updated to match.
1954 (all_functions, outer_function_chain): Don't declare.
1956 * ggc-common.c (ggc_mark_trees): Mark DECL_SAVED_INSNS.
1957 * integrate.c (output_inline_function): Clear DECL_SAVED_INSNS,
1958 don't touch f->inlinable, after calling rest_of_compilation.
1960 * tree.h: Forward-declare struct function. Prototype
1961 ggc_mark_struct_function.
1963 2001-08-31 Kazu Hirata <kazu@hxi.com>
1965 * config/h8300/h8300.md (*andorhi3): Fix typos.
1967 2001-08-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1969 * calls.c (emit_library_call_value): Don't use a fixed
1970 argument after VA_CLOSE, i.e. out of scope in traditional C.
1972 * emit-rtl.c (gen_rtvec): Likewise.
1974 2001-08-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1976 * Makefile.in (c-pragma.o): Depend on output.h.
1977 (reorg.o): Depend on except.h.
1979 * c-pragma.c: Include output.h.
1981 * reorg.c: Include except.h.
1983 * unwind-dw2.c: Call __builtin_alloca, not alloca.
1985 2001-08-31 Richard Henderson <rth@redhat.com>
1987 * sched-deps.c (add_dependence): Don't elide dependancy if the
1988 conditional used by insn is modified in elem.
1990 2001-08-31 Nick Clifton <nickc@cambridge.redhat.com>
1992 * config/v850/v850.h (OUTPUT_ADDR_CONST_EXTRA): Define.
1994 2001-08-31 Diego Novillo <dnovillo@redhat.com>
1996 * c-decl.c (c_decode_option): Skip '-f' prefix before calling
1999 2001-08-31 Geoffrey Keating <geoffk@redhat.com>
2001 * config/stormy16/stormy16.c (stormy16_asm_out_destructor): New
2003 (stormy16_asm_out_constructor): New function.
2004 (TARGET_ASM_CONSTRUCTOR): Define.
2005 (TARGET_ASM_DESTRUCTOR): Define.
2007 2001-08-31 Andreas Jaeger <aj@suse.de>
2009 * gcse.c (add_label_notes): REG_LABEL is an INSN_LIST.
2010 * loop.c (add_label_notes): Likewise.
2011 * reload.c (find_reloads): Likewise.
2012 * config/sh/sh.c (machine_dependent_reorg): Likewise.
2014 2001-08-31 Jason Merrill <jason_merrill@redhat.com>
2016 * unwind-pe.h (read_uleb128, read_sleb128): Move actual reading
2017 code here. Take _Unwind_{W,Sw}ord*.
2018 (read_encoded_value_with_base): Use them.
2019 * unwind-dw2.c (_Unwind_FrameState): Make cfa_offset and cfa_reg
2021 (extract_cie_info): Simplify read_?leb128 handling.
2022 (execute_stack_op, execute_cfa_program): Likewise.
2023 * unwind-dw2-fde.c (get_cie_encoding): Likewise.
2025 2001-08-31 Geoffrey Keating <geoffk@redhat.com>
2027 * config/stormy16/stormy16.c (stormy16_expand_epilogue): Use
2028 the frame pointer to pop the stack if convenient.
2030 * config/stormy16/stormy16.c (stormy16_initialize_trampoline):
2031 Don't use post-increment before combine.
2032 * config/stormy16/stormy16.h (STATIC_CHAIN_REGNUM): Don't use
2033 a call-saved register.
2035 2001-08-31 Andreas Jaeger <aj@suse.de>
2037 * jump.c (mark_jump_label): Revert patch from 2001-08-28, the
2040 2001-08-30 Geoffrey Keating <geoffk@redhat.com>
2042 * config/stormy16/stormy16.md (udivmodhi4): Express using UDIV/UMOD,
2043 not DIV/MOD, of course.
2045 2001-08-30 Vladimir Makarov <vmakarov@redhat.com>
2047 * rtl.def: Undo my patch commited 2001-08-27.
2049 * genattrtab.c: Ditto.
2053 * sched-int.h: Ditto.
2055 * target-def.h: Ditto.
2059 * haifa-sched.c: Ditto.
2061 * sched-rgn.c: Ditto.
2063 * sched-vis.c: Ditto.
2065 * Makefile.in: Ditto.
2067 * doc/md.texi: Ditto.
2069 * doc/tm.texi: Ditto.
2071 * doc/contrib.texi: Ditto.
2073 * doc/gcc.texi: Ditto.
2075 * genattrtab.h: Remove it.
2077 * genautomata.c: Remove it.
2079 * genattr.c: Undo my patch and Richard Henderson's patch commited
2082 Thu Aug 30 19:22:15 2001 J"orn Rennecke <amylaar@redhat.com>
2084 * config.gcc (h8300-*-elf*): New case.
2085 * h8300.h (CPP_SPEC): Add subtarget_cpp_spec.
2086 (SUBTARGET_CPP_SPEC): Define.
2087 (EXTRA_SPECS): Define.
2088 (SUBTARGET_EXTRA_SPECS): Define.
2089 * config/h8300/crti.asm, config/h8300/crtn.asm: New files.
2090 * config/h8300/elf.h, config/h8300/t-elf: Likewise.
2092 Thu Aug 30 18:50:37 2001 J"orn Rennecke <amylaar@redhat.com>
2094 * t-h8300 (LIB1ASMFUNCS): Add _fixunssfdi and _fixunssfsi_asm.
2095 (LIB2FUNCS_EXTRA): Define.
2096 config/h8300/lib1funcs.asm: New part: L_fixunssfsi_asm .
2097 config/h8300/fixunssfsi.c: New file.
2099 2001-08-30 Kazu Hirata <kazu@hxi.com>
2101 * config/h8300/h8300.md (zero_extendqihi2): Changes to
2102 define_expand to accomodate target-specific attributes.
2103 (anonymous zero_extendqihi2 patterns): New.
2105 Thu Aug 30 18:10:56 2001 J"orn Rennecke <amylaar@redhat.com>
2107 * h8300.md (*andorhi3): New pattern.
2109 Thu Aug 30 16:00:31 2001 J"orn Rennecke <amylaar@redhat.com>
2111 * h8300.c (dosize): Fix test for "sub".
2113 Thu Aug 30 10:21:43 2001 J"orn Rennecke <amylaar@redhat.com>
2115 * c-typeck.c (pointer_diff): Try to eliminate common term before
2118 2001-08-30 Nick Clifton <nickc@cambridge.redhat.com>
2120 * config/arm/arm.c (arm_compute_initial_elimination_offset):
2121 Account for the saves of the FP registers.
2123 * config/arm/unknown-elf.h (TEXT_SECTION): Delete.
2124 (TEXT_SECTION_ASM_OP): Define.
2125 (INIT_SECTION_ASM_OP): Define.
2126 (FINI_SECTION_ASM_OP): Define.
2127 (SUBTARGET_EXTRA_SECTIONS): Remove trailing comma.
2128 (RDATA_SECTION_FUNCITON): Provide prototype.
2130 2001-08-29 Geoffrey Keating <geoffk@redhat.com>
2132 * reload1.c (move2add_note_store): Correct typo checking for
2135 2001-08-29 Andrew MacLeod <amacleod@redhat.com>
2137 * gcse.c (compute_hash_table): The SRC part of an insn with a RETVAL
2138 note should not be considered outside the libcall block.
2140 2001-08-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2142 * genattrtab.c (attr_printf): Use VA_OPEN/VA_FIXEDARG/VA_CLOSE.
2144 2001-08-29 Kazu Hirata <kazu@hxi.com>
2146 * config/h8300/h8300.md (movsi_h8300hs): Make it 64-bit safe.
2148 2001-08-29 Kazu Hirata <kazu@hxi.com>
2150 * config/h8300/h8300-protos.h: Add a prototype for
2152 * config/h8300/h8300.c (emit_logical_op): New.
2153 * config/h8300/h8300.md (andhi3): Use emit_logical_op.
2160 2001-08-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
2162 * pa.c (move_operand): Cast GET_MODE_SIZE results to HOST_WIDE_INT for
2163 comparison with rtx INTVAL.
2164 (pa_output_function_prologue): Don't mix signed and unsigned in `?'
2166 * pa.h (FUNCTION_ARG_SIZE): Likewise.
2168 2001-08-29 Kazu Hirata <kazu@hxi.com>
2170 * config/h8300/lib1funcs.asm: Update the copyright. Fix
2173 2001-08-29 Kazu Hirata <kazu@hxi.com>
2175 * config/h8300/h8300.md (anonymous movhi pattern): Don't move
2176 (reg n) to (mem (pre_dec (reg n))
2177 (anonymous movsi pattern): Likewise.
2179 2001-08-29 Kazu Hirata <kazu@hxi.com>
2181 * config/h8300/h8300.h (RETURN_ADDR_RTX): New.
2183 2001-08-29 Kazu Hirata <kazu@hxi.com>
2185 * config/h8300/h8300.md (movsi_h8300hs): Optimize loading of
2186 several special constants.
2188 2001-08-29 Kazu Hirata <kazu@hxi.com>
2190 * config/h8300/lib1funcs.asm: Fix comment typos.
2192 2001-08-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2194 * iris6.h (ASM_DECLARE_OBJECT_NAME, ASM_FINISH_DECLARE_OBJECT):
2195 Fix format specifier warnings.
2197 * irix6-libc-compat.c (inet_ntoa, inet_lnaof, inet_netof,
2198 inet_makeaddr, semctl): Prototype.
2200 * mips.c (compute_frame_size): Fix signed/unsigned warnings.
2201 (save_restore_insns): Use base_offset, not gp_offset.
2203 * mips.h (GP_REG_OR_PSEUDO_STRICT_P): Fix signed/unsigned warning.
2204 (ASM_OUTPUT_BYTE): Fix format specifier warning.
2206 2001-08-29 Richard Henderson <rth@redhat.com>
2208 * bb-reorder.c (function_tail_eff_head): New.
2209 (record_effective_endpoints): Set it.
2210 (fixup_reorder_chain): Use it.
2212 2001-08-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2214 * dwarf2asm.c (dw2_asm_output_nstring): Fix typo in previous change.
2216 2001-08-28 Dale Johannesen <dalej@apple.com>
2218 * config/darwin.c (machopic_function_base_name): Add const
2219 qualifier to a string.
2220 (darwin_encode_section_info): Ditto.
2222 2001-08-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2224 * tree.c (default_valid_attribute_p): Don't use PARAMS on a
2225 function definition.
2227 2001-08-28 Daniel Berlin <dan@cgsoftware.com>
2229 * df.h (struct df): Add rts_order variable.
2231 * df.c (df_visit_next_rts): New function.
2232 (df_visit_next): Renamed to df_visit_next_rc
2233 (df_analyse_1): Allocate/compute/free rts_order as well.
2234 (df_rd_global_compute): Use df_visit_next_rc instead of
2236 (df_ru_global_compute): Use df_visit_next_rts instead of
2239 * flow.c (flow_reverse_top_sort_order_compute): New function.
2241 * basic-block.h: Add prototype.
2243 2001-08-28 Daniel Berlin <dan@cgsoftware.com>
2245 * ssa-ccp.c (ssa_ccp_df_delete_unreachable_insns): For unreachable
2246 blocks, the BB_REACHABLE is now set, rather than aux being
2247 non-NULL. Update the test to reflect this.
2249 2001-08-28 Eric Christopher <echristo@redhat.com>
2251 * config/mips/crtn.asm: Add comment explaining 16 byte alignment.
2252 config/mips/crti.asm: Ditto.
2254 2001-08-28 Eric Christopher <echristo@redhat.com>
2255 Richard Henderson <rth@redhat.com>
2257 * c-pragma.h (add_weak): Move prototype from here...
2258 * output.h (add_weak): ... to here.
2259 * varasm.c (add_weak): Fix typo.
2260 * config/mips/crti.asm: New file.
2261 * config/mips/crtn.asm: Ditto.
2262 * config/mips/elf.h (SBSS_SECTION_ASM_OP) Add #undef.
2263 (CTOR_LISTS_DEFINED_EXTERNALLY): Remove.
2264 (INVOKE__main): Ditto.
2265 (INIT_SECTION_ASM_OP): New.
2266 (FINI_SECTION_ASM_OP): Ditto.
2267 (STARTFILE_SPEC): Add crti.
2268 (ENDFILE_SPEC): Add crtn.
2269 * config/mips/elf64.h: Same.
2270 * config/mips/rtems64.h (INVOKE__main, NAME__MAIN, SYMBOL__MAIN):
2272 * config/mips/vxworks.h: Ditto.
2273 * config/mips/t-elf: Support crti and crtn.
2275 2001-08-28 Alexandre Oliva <aoliva@redhat.com>
2277 * jump.c (mark_jump_label): Fix typo: REG_LABEL is EXPR_LIST, not
2280 2001-08-28 Richard Henderson <rth@redhat.com>
2282 * config/ia64/ia64.md (andcmbi3, iorcmbi3): Fix typos.
2283 (one_cmplbi2 splitter): Remove redundant test.
2285 2001-08-28 Dale Johannesen <dalej@apple.com>
2287 * config/rs6000/darwin.h (DEFAULT_SIGNED_CHAR): Define.
2289 2001-08-28 Danny Smith <dannysmith@users.sourceforge.net>
2291 * config/i386/cygwin.h (BIGGEST_FIELD_ALIGNMENT): Set to 64.
2293 2001-08-28 Stan Shebs <shebs@apple.com>
2295 * config/darwin.h (ASM_OUTPUT_LABELREF): Handle '*' names.
2296 (UNALIGNED_SHORT_ASM_OP): Define.
2297 (UNALIGNED_INT_ASM_OP): Define.
2299 2001-08-28 Will Cohen <wcohen@redhat.com>
2301 * config/rs6000/rs6000.md (store_multiple): Correct RTL
2302 generation for first set.
2304 2001-08-27 Roman Zippel <zippel@linux-m68k.org>
2306 * flow.c (redirect_edge_succ_nodup): Return new edge.
2307 (try_simplify_condjump): Use new edge.
2308 * basic-block.h (redirect_edge_succ_nodup): Update prototype.
2310 * cse.c (cse_basic_block): Skip note instructions.
2312 2001-08-27 Richard Henderson <rth@redhat.com>
2314 * combine.c (combine_simplify_rtx): Don't reverse condition
2315 if there is no reverse for the condition.
2316 (simplify_comparison): Don't simplify subregs from INT to FP.
2318 * config/m68k/m68k.md (sordered, sordered_1, sunordered, sunordered_1,
2319 suneq, suneq_1, sunge, sunge_1, sungt, sungt_1, sunle, sunle_1,
2320 sunlt, sunlt_1, sltgt, sltgt_1, fsogt_1, fsoge_1, fsolt_1, fsole_1,
2321 bordered, bunordered, buneq, bunge, bungt, bunle, bunlt, bltgt,
2322 bordered_rev, bunordered_rev, buneq_rev, bunge_rev, bungt_rev,
2323 bunle_rev, bunlt_rev, bltgt_rev): New patterns.
2325 2001-08-27 Roman Zippel <zippel@linux-m68k.org>
2327 * config/m68k/m68k.md (subreghi1ashrdi_const32, bsetmemqi,
2328 bsetmemqi+1, strict_low_part peephole): Fix SUBREG_BYTE offset.
2330 (adddi_dilshr32, adddi_dishl32): Only data register can be
2331 source for mem destination.
2333 * expmed.c (store_bit_field): Ignore adjustment to bitpos
2334 and use bitnum to decide about register move.
2336 2001-08-27 Richard Henderson <rth@redhat.com>
2338 * genattr.c (main): Emit state_t even when not doing scheduling.
2340 2001-08-27 Roman Zippel <zippel@linux-m68k.org>
2341 Richard Henderson <rth@redhat.com>
2343 * gcse.c (reg_first_set, reg_last_set): Replace with ...
2344 (reg_avail_info, current_bb): ... these.
2345 (oprs_unchanged_p, record_last_reg_set_info): Use them.
2346 (compute_hash_table): Likewise.
2348 2001-08-27 Roman Zippel <zippel@linux-m68k.org>
2350 * flow.c (verify_flow_info): Use checksums to verify edges.
2352 2001-08-27 Richard Henderson <rth@redhat.com>
2354 * genautomata.c (expand_automata): Always create a description.
2356 2001-08-27 Geoffrey Keating <geoffk@redhat.com>
2358 * optabs.c (expand_binop): Correctly handle the carry in multiword
2359 add/subtract operations.
2361 2001-08-27 Fred Fish <fnf@be.com>
2363 * ginclude/stddef.h: Fix typo, __SIZE__TYPE__ should be
2366 2001-08-27 Geoffrey Keating <geoffk@redhat.com>
2368 * reload.c (find_reloads_toplev): Back out this change:
2370 Wed Jul 26 19:44:05 2000 Hans-Peter Nilsson <hp@axis.com>
2372 * reload.c (find_reloads_toplev): Reload a paradoxical subreg of a
2373 mem if the address is a mode_dependent_address_p.
2375 2001-08-27 Vladimir Makarov <vmakarov@touchme.toronto.redhat.com>
2377 * rtl.def (DEFINE_CPU_UNIT, DEFINE_QUERY_CPU_UNIT, EXCLUSION_SET,
2378 PRESENCE_SET, ABSENCE_SET, DEFINE_BYPASS, DEFINE_AUTOMATON,
2379 AUTOMATA_OPTION, DEFINE_RESERVATION, DEFINE_INSN_RESERVATION): New
2382 * genattr.c (main): New variable num_insn_reservations. Increase
2383 it if there is DEFINE_INSN_RESERVATION. Output automaton based
2384 pipeline hazard recognizer interface.
2386 * genattrtab.h: New file.
2388 * genattrtab.c: Include genattrtab.h.
2389 (attr_printf, check_attr_test, make_internal_attr,
2390 make_numeric_value): Move protypes into genattrtab.h. Define them
2392 (num_dfa_decls): New global variable.
2393 (main): Process DEFINE_CPU_UNIT, DEFINE_QUERY_CPU_UNIT,
2394 DEFINE_BYPASS, EXCLUSION_SET, PRESENCE_SET, ABSENCE_SET,
2395 DEFINE_AUTOMATON, AUTOMATA_OPTION, DEFINE_RESERVATION,
2396 DEFINE_INSN_RESERVATION. Call expand_automata and write_automata.
2398 * genautomata.c: New file.
2400 * rtl.h (LINK_COST_ZERO, LINK_COST_FREE): Remove them.
2402 * sched-int.h: (curr_state): Add the external definition for
2403 automaton pipeline interface.
2404 (haifa_insn_data): Add comments for members blockage and units.
2406 * target-def.h (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE,
2407 TARGET_SCHED_INIT_DFA_PRE_CYCLE_INSN,
2408 TARGET_SCHED_DFA_PRE_CYCLE_INSN,
2409 TARGET_SCHED_INIT_DFA_POST_CYCLE_INSN,
2410 TARGET_SCHED_DFA_POST_CYCLE_INSN,
2411 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD,
2412 TARGET_SCHED_INIT_DFA_BUBBLES, TARGET_SCHED_DFA_BUBBLE): New
2414 (TARGET_SCHED): Use the new macros.
2416 * target.h (use_dfa_pipeline_interface, init_dfa_pre_cycle_insn,
2417 dfa_pre_cycle_insn, init_dfa_post_cycle_insn, dfa_post_cycle_insn,
2418 first_cycle_multipass_dfa_lookahead, init_dfa_bubbles,
2419 dfa_bubble): New members in gcc_target.sched.
2421 * haifa-sched.c (insert_schedule_bubbles_p): New variable.
2422 (MAX_INSN_QUEUE_INDEX): New macro for automaton interface.
2423 (insn_queue): Redefine it as pointer to array.
2424 (NEXT_Q, NEXT_Q_AFTER): Use MAX_INSN_QUEUE_INDEX instead of
2426 (max_insn_queue_index_macro_value): New variable.
2427 (curr_state, dfa_state_size, ready_try): New varaibles for
2428 automaton interface.
2429 (ready_element, ready_remove, max_issue): New function prototypes
2430 for automaton interface.
2431 (choose_ready): New function prototype.
2432 (insn_unit, blockage_range): Add comments.
2433 (unit_last_insn, unit_tick, unit_n_insns): Define them for case
2434 FUNCTION_UNITS_SIZE == 0.
2435 (insn_issue_delay, actual_hazard_this_instance, schedule_unit,
2436 actual_hazard, potential_hazard): Add comments.
2437 (insn_cost): Use cost -1 as undefined value. Remove
2438 LINK_COST_ZERO and LINK_COST_FREE. Add new code for automaton
2440 (ready_element, ready_remove): New functions for automaton
2442 (schedule_insn): Add new code for automaton pipeline interface.
2443 (queue_to_ready): Add new code for automaton pipeline interface.
2444 Use MAX_INSN_QUEUE_INDEX instead of INSN_QUEUE_SIZE.
2445 (debug_ready_list): Print newline when the queue is empty.
2446 (max_issue): New function for automaton pipeline interface.
2447 (choose_ready): New function.
2448 (schedule_block): Add new code for automaton pipeline interface.
2449 Print ready list before scheduling each insn.
2450 (sched_init): Add new code for automaton pipeline interface.
2451 Initiate insn cost by -1.
2452 (sched_finish): Free the current automaton state and finalize
2453 automaton pipeline interface.
2455 * sched-rgn.c: Include target.h.
2456 (init_ready_list, new_ready, debug_dependencies): Add new code for
2457 automaton pipeline interface.
2459 * sched-vis.c: Include target.h.
2460 (get_visual_tbl_length): Add code for automaton interface.
2461 (target_units, print_block_visualization): Add comments.
2463 * Makefile.in (GETRUNTIME, HASHTAB, HOST_GETRUNTIME, HOST_HASHTAB,
2464 USE_HOST_GETRUNTIME, USE_HOST_HASHTAB, HOST_VARRAY): New variables.
2465 (sched-rgn.o, sched-vis.o): Add new dependency file target.h.
2466 (getruntime.o, genautomata.o): New entries.
2467 (genattrtab.o): Add new dependency file genattrtab.h.
2468 (genattrtab): Add new dependencies. Link it with `libm.a'.
2469 (getruntime.o, hashtab.o): New entries for canadian cross.
2471 * doc/md.texi: Description of automaton based model.
2473 * doc/tm.texi (TARGET_SCHED_ISSUE_RATE, TARGET_SCHED_ADJUST_COST):
2475 (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE,
2476 TARGET_SCHED_DFA_PRE_CYCLE_INSN,
2477 TARGET_SCHED_INIT_DFA_PRE_CYCLE_INSN,
2478 TARGET_SCHED_DFA_POST_CYCLE_INSN,
2479 TARGET_SCHED_INIT_DFA_POST_CYCLE_INSN,
2480 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD,
2481 TARGET_SCHED_INIT_DFA_BUBBLES, TARGET_SCHED_DFA_BUBBLE): The new
2483 (TRADITIONAL_PIPELINE_INTERFACE, DFA_PIPELINE_INTERFACE,
2484 MAX_DFA_ISSUE_RATE): New macro descriptions.
2486 * doc/contrib.texi: Add dfa based scheduler contribution.
2488 * doc/gcc.texi: Add more information about genattrtab.
2490 2001-08-27 Diego Novillo <dnovillo@redhat.com>
2492 * flow.c (flow_loop_dump): Do not display insn UIDs if this is not
2495 2001-08-27 Richard Henderson <rth@redhat.com>
2497 * function.c (expand_function_end): Don't init arg_pointer_save_area.
2498 (get_arg_pointer_save_area): New. Create an init it here.
2499 (fix_lexical_addr): Use it.
2500 * function.h: Declare it.
2501 * builtins.c (expand_builtin_setjmp_receiver): Use it.
2502 * stmt.c (expand_nl_goto_receiver): Use it.
2504 2001-08-27 Richard Henderson <rth@redhat.com>
2506 * final.c (final_scan_insn): Don't enter APP_ON mode for
2509 * dwarf2asm.c (dw2_asm_output_encoded_addr_rtx): Use proper
2510 alignment for assemble_integer for DW_EH_PE_aligned.
2511 * except.c (output_function_exception_table): Likewise.
2513 2001-08-26 Andreas Jaeger <aj@suse.de>
2515 * c-tree.h: Add prototyp for c_sizeof_nowarn.
2517 2001-08-25 Dan Nicolaescu <dann@ics.uci.edu>
2519 * ssa-ccp.c (ssa_const_prop): Free ssa_edges.
2521 2001-08-27 Alan Modra <amodra@bigpond.net.au>
2523 * config/rs6000/rs6000.c (mask_operand): Rewrite without
2525 (mask64_operand): Likewise.
2526 (rldic_operand): Delete.
2527 (includes_lshift64_p): Delete.
2528 (includes_rldic_lshift_p): New function.
2529 (includes_rldicr_lshift_p): New function.
2530 (print_operand): Don't call rldic_operand in case 'W'.
2531 * config/rs6000/rs6000-protos.h (rldic_operand): Remove.
2532 (includes_lshift64_p): Remove.
2533 (includes_rldic_lshift_p): Declare.
2534 (includes_rldicr_lshift_p): Declare.
2535 * config/rs6000/rs6000.h (PREDICATE_CODES): Remove rldic_operand.
2536 * config/rs6000/rs6000.md <ashldi3_internal 64 bit patterns>:
2537 Replace match_operand rldic_operand predicate with
2538 const_int_operand. Replace includes_lshift64_p condition with
2539 includes_rldic_lshift_p.
2540 <ashldi3_internal 64 bit rldicr patterns>: New.
2542 2001-08-27 Andreas Jaeger <aj@suse.de>
2544 * emit-rtl.c: Use VA_OPEN/VA_CLOSE/VA_FIXEDARG throughout.
2545 * errors.c: Likewise.
2546 * final.c: Likewise.
2547 * dwarf2asm.c: Likewise.
2548 * doprint.c (checkit): Likewise.
2549 * diagnostic.c: Likewise.
2550 * collect2.c: Likewise.
2551 * calls.c: Likewise.
2552 * c-semantics.c (build_stmt): Likewise.
2553 * c-format.c (status_warning): Likewise.
2554 * c-errors.c (pedwarn_c99): Likewise.
2555 * builtins.c (validate_arglist): Likewise.
2556 * config/pj/pj.c (pj_printf): Likewise.
2557 * fix-header.c: Likewise.
2559 * gcov.c (fnotice): Likewise.
2560 * gensupport.c (message_with_line): Likewise.
2561 * mips-tfile.c: Likewise.
2562 * protoize.c (notice): Likewise.
2563 * read-rtl.c (fatal_with_file_and_line): Likewise.
2564 * rtl-error.c: Likewise.
2565 * tradcpp.c: Likewise.
2567 * cp/tree.c (build_min_nt): Likewise.
2568 (build_min): Likewise.
2569 * cp/lex.c: Likewise.
2570 * cp/errfn.c: Likewise.
2571 * cp/rtti.c (create_pseudo_type_info): Likewise.
2573 Sun Aug 26 20:25:44 2001 Denis Chertykov <denisc@overta.ru>
2575 * df.c (df_uses_record): Return after recording all uses
2578 2001-08-26 Daniel Berlin <dan@cgsoftware.com>
2580 * df.c (df_insn_modify): Realloc the INSN table here, if
2581 necessary, here, too.
2583 2001-08-26 Aldy Hernandez <aldyh@redhat.com>
2585 * config/mips/mips.c (mips_function_value): Handle complex return
2588 2001-08-25 Hans-Peter Nilsson <hp@bitrange.com>
2590 * reload1.c (reload): Make all entries in reg_equiv_memory_loc
2592 * reload.c (make_memloc): Copy result if it is still
2593 reg_equiv_memory_loc[regno] on return.
2594 (subst_reloads) [ENABLE_CHECKING]: Check that none of
2595 reg_equiv_constant, reg_equiv_memory_loc, reg_equiv_address and
2596 reg_equiv_mem are modified by the substitutions.
2598 Sat Aug 25 23:07:35 CEST 2001 Jan Hubicka <jh@suse.cz>
2600 * predict.c (expensive_function_p): New.
2601 * rtl.h (expensive_function_p): Declare.
2602 * i386.c (FAST_PROLOGUE_INSN_COUNT): New constant.
2603 (use_fast_prologue_epilogue): New static variable.
2604 (expand_prologue): Set it; emit short prologues if unset.
2605 (expand_epilogue): Likewise.
2607 2001-08-22 Geoffrey Keating <geoffk@redhat.com>
2609 * config.gcc: Add stormy16-*-elf case.
2610 * config/stormy16/stormy-abi: New file.
2611 * config/stormy16/stormy16-lib2.c: New file.
2612 * config/stormy16/stormy16-protos.h: New file.
2613 * config/stormy16/stormy16.c: New file.
2614 * config/stormy16/stormy16.h: New file.
2615 * config/stormy16/stormy16.md: New file.
2616 * config/stormy16/t-stormy16: New file.
2618 Sat Aug 25 15:46:51 CEST 2001 Jan Hubicka <jh@suse.cz>
2620 * i386.h (no-accumulate-outgoing-args): Use proper mask.
2622 2001-08-24 David Edelsohn <edelsohn@gnu.org>
2624 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Function
2625 descriptor members are pointer size, not constant 4.
2626 * config/rs6000/rs6000.md (define_splits): Remove more unused
2629 2001-08-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2631 * sparc.h (ASM_OUTPUT_BYTE): Fix format specifier warning.
2633 2001-08-24 Andreas Jaeger <aj@suse.de>, rkl@connect.org.uk
2635 * cp/rtti.c (VPARAMS): Fix parameter.
2637 2001-08-24 Zack Weinberg <zackw@panix.com>
2639 * expmed.c: Default-#define HAVE_insv, HAVE_extv, and HAVE_extzv
2641 (mode_for_extraction): No need for #ifdefs. Add default-case abort
2643 (store_bit_field): Eliminate insv_bitsize variable. Put HAVE_insv
2644 in if controlling use of insv.
2645 (extract_bit_field): Likewise, for extv and extzv.
2647 Fri Aug 24 17:27:46 CEST 2001 Jan Hubicka <jh@suse.cz>
2649 * i386.md (movcc peep2): Fix load of 0.
2651 2001-08-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2653 * fold-const.c (tree_expr_nonnegative_p): Handle *_DIV_EXPR,
2654 *_MOD_EXPR, SAVE_EXPR and NON_LVALUE_EXPR.
2656 2001-08-23 Jason Merrill <jason_merrill@redhat.com>
2658 * c-pragma.h: Move weak_syms and weak_decls...
2659 * varasm.c: ...here. Now static.
2660 (declare_weak, weak_finish, remove_from_pending_weak_list): Don't
2661 depend on HANDLE_PRAGMA_WEAK.
2663 * c-common.c (c_alignof, c_alignof_expr): Move here...
2664 * c-typeck.c: ...from here.
2665 * c-tree.h, c-common.h: Adjust.
2667 2001-08-23 Bernd Schmidt <bernds@redhat.com>
2669 * config/ia64/ia64.c (rws_update): If !pred, set write_count
2670 instead of incrementing it.
2672 * config/ia64/ia64.c (ia64_sched_reorder): When there's more than one
2673 asm ready, don't try to move them all into the same array element.
2675 Thu Aug 23 17:21:43 CEST 2001 Jan Hubicka <jh@suse.cz>
2677 * function.c (thread_prologue_and_epilogue_insns): Avoid
2678 fallthru flag on edge to exit.
2680 * i386.md (trunc?fsi splitter): Conditionionize for non-sse.
2682 * flow.c (delete_noop_moves, propagate_block_delete_insn): Purge
2685 2001-08-23 Lars Brinkhoff <lars@nocrew.org>
2687 * config/mcore/mcore.h (MACHINE_DEPENDENT_SIMPLIFY): Remove.
2688 * config/mcore/mcore.c (mcore_dependent_simplify_rtx): Likewise.
2689 * config/mcore/mcore-protos.h (mcore_dependent_simplify_rtx):
2692 2001-08-23 Lars Brinkhoff <lars@nocrew.org>
2694 * genconstants.c, genpreds.c, libfuncs.h, optabs.h, rtl-error.h:
2695 replace "GNU CC" with "GCC".
2697 2001-08-23 Richard Henderson <rth@redhat.com>
2699 * config/ia64/ia64.c (ia64_register_move_cost): Add mode arguemnt.
2700 Reorganize. Handle ADDL like GR, add GR_AND_BR. Handle TFmode.
2701 (ia64_secondary_reload_class): Need GR between AR/BR and anything.
2702 Need GR between FR and not GR_AND_FR.
2703 * config/ia64/ia64-protos.h (ia64_register_move_cost): Update.
2704 * config/ia64/ia64.h (reg_class): Add GR_AND_BR_REGS, move
2705 AR regs before GR regs.
2706 (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update.
2707 (PREFERRED_RELOAD_CLASS): Tweak for reordered classes.
2708 (REGISTER_MOVE_COST): Update.
2709 (MEMORY_MOVE_COST): Add GR_AND_FR_REGS.
2711 2001-08-23 Richard Henderson <rth@redhat.com>
2713 * regclass.c (init_reg_sets_1): Don't assume cost 2 within
2716 2001-08-22 Geoffrey Keating <geoffk@redhat.com>
2718 * reload1.c (emit_reload_insns): Don't look for notes
2719 on a NULL store_insn.
2721 2001-08-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2723 * sparc.c (uns_small_int): Don't reference a constant >32-bit.
2724 (addrs_ok_for_ldd_peep): Fix signed/unsigned warning.
2725 (sparc_flat_function_prologue, sparc_flat_function_epilogue): Fix
2726 format specifier warnings.
2727 (sparc_sched_reorder): Mark parameter with ATTRIBUTE_UNUSED.
2729 2001-08-22 David Billinghurst <David.Billinghurst@riotinto.com>
2731 * config/i386/i386-protos.h: Correct declaration of
2732 i386_pe_asm_named_section.
2734 2001-08-22 John David Anglin <dave@hiauly1.hia.nrc.ca>
2736 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Add declaration for
2738 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
2740 2001-08-22 Neil Booth <neil@daikokuya.demon.co.uk>
2742 * cpperror.c (print_location): Don't show _Pragma.
2743 * cppfiles.c (_cpp_pop_file_buffer): Handle -include file pushing
2744 and file change callback generation here.
2745 (stack_include_file): Update use of cpp_push_buffer.
2746 * cpphash.h (_cpp_pop_file_buffer): Update prototype.
2747 (struct cpp_buffer): Remove type, pfile members.
2748 * cppinit.c (cpp_handle_option): Use free_chain.
2749 * cpplex.c (_cpp_lex_token): Don't do -include file pushing here.
2750 (skip_escaped_newlines, get_effective_char, lex_percent): Take
2751 a cpp_reader rather than a cpp_buffer.
2752 (skip_escaped_newlines, get_effective_char, skip_block_comment,
2753 skip_line_comment, parse_string, lex_percent, lex_dot,
2754 _cpp_lex_token): Update accordingly.
2755 * cpplib.c (_cpp_pop_buffer): Don't do file change callback
2757 (cpp_push_buffer): Update prototype.
2758 (run_directive): Update use of cpp_push_buffer.
2759 (_cpp_do__Pragma, cpp_define, cpp_define_builtin, cpp_undef,
2760 handle_assertion): Update use of run_directive.
2761 * cpplib.h (enum cpp_buffer_type): Remove.
2762 (cpp_push_buffer): Update prototype.
2763 * fix-header.c (read_scan_file): Update.
2765 2001-08-22 Matt Kraai <kraai@alumni.carnegiemellon.edu>
2767 * gcc.c (struct prefix_list): Change prefix to const char *.
2769 2001-08-22 Matt Kraai <kraai@alumni.carnegiemellon.edu>
2771 * final.c (final_scan_insn): Call ADDR_VEC_ALIGN on next insn.
2773 2001-08-22 Jason Merrill <jason_merrill@redhat.com>
2775 * explow.c (set_mem_attributes): Avoid returning a bogus alias set
2778 * jump.c (squeeze_notes): Take parms by reference. Handle END being
2781 * ifcvt.c (dead_or_predicable): Adjust.
2782 * loop.c (find_and_verify_loops): Adjust.
2783 * stmt.c (expand_end_case): Adjust.
2784 * flow.c (merge_blocks_move_successor_nojumps): Adjust. Modify the
2785 head and end insn pointers in the basic block, not just local copies.
2786 (merge_blocks_move_predecessor_nojumps): Likewise.
2788 2001-08-22 Lars Brinkhoff <lars@nocrew.org>
2790 * Makefile.in, alias.c, basic-block.h, bb-reorder.c, bitmap.c,
2791 bitmap.h, builtin-types.def, builtins.c, builtins.def,
2792 c-aux-info.c, c-common.c, c-common.def, c-common.h,
2793 c-convert.c, c-decl.c, c-dump.c, c-dump.h, c-errors.c,
2794 c-format.c, c-lang.c, c-lex.c, c-lex.h, c-parse.in,
2795 c-pragma.c, c-pragma.h, c-semantics.c, c-tree.h, c-typeck.c,
2796 caller-save.c, calls.c, collect2.c, collect2.h, combine.c,
2797 conditions.h, config.gcc, configure.frag, configure.in,
2798 conflict.c, convert.c, convert.h, cppspec.c, crtstuff.c,
2799 cse.c, cselib.c, cselib.h, dbxout.c, dbxout.h, defaults.h,
2800 dependence.c, df.c, df.h, diagnostic.c, diagnostic.h,
2801 doloop.c, dominance.c, dwarf.h, dwarf2.h, dwarf2asm.c,
2802 dwarf2asm.h, dwarf2out.c, dwarf2out.h, dwarfout.c,
2803 emit-rtl.c, errors.c, errors.h, except.c, except.h,
2804 exgettext, explow.c, expmed.c, expr.c, expr.h, final.c,
2805 fixproto, flags.h, flow.c, fold-const.c, fp-test.c,
2806 function.c, function.h, gbl-ctors.h, gcc.c, gcc.h, gcc.hlp,
2807 gccspec.c, gcov-io.h, gcse.c, genattr.c, genattrtab.c,
2808 gencheck.c, gencodes.c, genconfig.c, genemit.c,
2809 genextract.c, genflags.c, gengenrtl.c, genmultilib,
2810 genopinit.c, genoutput.c, genpeep.c, genrecog.c,
2811 gensupport.c, gensupport.h, ggc-callbacks.c, ggc-common.c,
2812 ggc-none.c, ggc-page.c, ggc-simple.c, ggc.h, global.c,
2813 graph.c, graph.h, gthr-aix.h, gthr-dce.h, gthr-posix.h,
2814 gthr-rtems.h, gthr-single.h, gthr-solaris.h, gthr-vxworks.h,
2815 gthr-win32.h, gthr.h, haifa-sched.c, halfpic.c, halfpic.h,
2816 hard-reg-set.h, hwint.h, ifcvt.c, input.h, insn-addr.h,
2817 integrate.c, integrate.h, jump.c, lcm.c, libgcc2.c,
2818 libgcc2.h, lists.c, local-alloc.c, loop.c, loop.h,
2819 machmode.def, machmode.h, main.c, mbchar.c, mbchar.h,
2820 mips-tdump.c, mips-tfile.c, mklibgcc.in, mkmap-flat.awk,
2821 mkmap-symver.awk, optabs.c, output.h, params.c, params.def,
2822 params.h, predict.c, predict.def, predict.h, prefix.c,
2823 prefix.h, print-rtl.c, print-tree.c, profile.c, protoize.c,
2824 read-rtl.c, real.c, real.h, recog.c, recog.h, reg-stack.c,
2825 regclass.c, regmove.c, regrename.c, regs.h, reload.c,
2826 reload.h, reload1.c, reorg.c, resource.c, resource.h, rtl.c,
2827 rtl.def, rtl.h, rtlanal.c, sbitmap.c, sbitmap.h,
2828 sched-deps.c, sched-ebb.c, sched-int.h, sched-rgn.c,
2829 sched-vis.c, sdbout.c, sdbout.h, sibcall.c, simplify-rtx.c,
2830 ssa-ccp.c, ssa-dce.c, ssa.c, ssa.h, stmt.c, stor-layout.c,
2831 stringpool.c, system.h, timevar.c, timevar.def, timevar.h,
2832 tlink.c, toplev.c, toplev.h, tree.c, tree.def, tree.h,
2833 tsystem.h, unroll.c, unwind-dw2-fde.c, unwind-dw2-fde.h,
2834 unwind-dw2.c, unwind-pe.h, unwind-sjlj.c, unwind.h,
2835 unwind.inc, varasm.c, varray.c, varray.h, xcoffout.c,
2836 xcoffout.h: replace "GNU CC" with "GCC".
2838 2001-08-21 Richard Henderson <rth@redhat.com>
2840 * final.c (LABEL_ALIGN_AFTER_BARRIER): Default to no alignment.
2841 (final_scan_insn): Consider jump tables data even if we have no
2842 independant text section if !JUMP_TABLES_IN_TEXT_SECTION. Use
2844 * config/ia64/ia64.h (JUMP_TABLES_IN_TEXT_SECTION): Remove.
2845 (ASM_OUTPUT_CASE_END): Remove.
2846 (ASM_OUTPUT_ADDR_DIFF_ELT): Emit pc-relative references.
2847 * config/ia64/ia64.md (tablejump): Decode pc-relative references.
2848 * config/ia64/sysv4.h (ASM_OUTPUT_BEFORE_CASE_LABEL): Remove.
2850 2001-08-21 Richard Henderson <rth@redhat.com>
2852 * config/ia64/ia64.c (emit_all_insn_group_barriers): Flush state
2853 at barrier insns. Emit stop bits before barriers.
2855 * flow.c (flow_find_cross_jump): Don't consider unconditional
2856 return insns for commoning.
2858 * final.c (compute_alignments): Fix typo.
2860 * expmed.c (CODE_FOR_insv, gen_insv): Provide defaults.
2861 (CODE_FOR_extv, gen_extv, CODE_FOR_extzv, gen_extzv): Likewise.
2862 (store_bit_field): Use mode_for_extraction more places.
2863 (extract_bit_field): Likewise.
2865 2001-08-21 Zack Weinberg <zackw@panix.com>
2867 * caller-save.c: Don't include insn-codes.h.
2868 (reg_save_code, reg_restore_code): Make arrays of int.
2869 All uses updated to match.
2870 (insert_save, insert_restore): No need to initialize "code"
2871 variable upon declaration.
2872 * Makefile.in: update dependencies; fix typo in clean rule.
2874 2001-08-21 Richard Henderson <rth@redhat.com>
2876 * ifcvt.c (find_if_block): Allow join_bb as EXIT.
2877 (merge_if_block): Handle fallout from same.
2879 2001-08-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2881 * builtins.c (type_to_class): Fix typo in last change.
2883 2001-08-21 Richard Henderson <rth@redhat.com>
2885 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Don't emit '#' if
2886 ia64_asm_output_label.
2888 * config/ia64/crtbegin.asm (__do_global_dtors_aux): Use saved
2889 copy of gp while the real gp register contains garbage.
2891 2001-08-21 Zack Weinberg <zackw@panix.com>
2893 * expmed.c (mode_for_extraction): New function.
2894 (store_bit_field, extract_bit_field): Use it.
2895 * expr.h: Prototype it and provide an enum for its first argument.
2897 * combine.c, function.c, recog.c: Don't include insn-codes.h.
2898 Use mode_for_extraction rather than testing HAVE_insv/extv/extzv
2899 and digging through the insn_data tables.
2900 * Makefile.in: Update dependencies.
2902 2001-08-22 Neil Booth <neil@daikokuya.demon.co.uk>
2904 * cppfiles.c (stack_include_file): line-map.c now handles include
2906 (handle_missing_handler): Similarly.
2907 (_cpp_execute_include): Similarly.
2908 (_cpp_pop_file_buffer): Similarly.
2909 * cpphash.h (struct cpp_reader): Remove system_include_depth,
2910 buffer_stack_depth and include_depth.
2911 * cpplib.c (do_include_common): line-map.c now handles include depth.
2912 (cpp_push_buffer): Similarly.
2913 (_cpp_pop_buffer): Similarly.
2914 * cppmacro.c (builtin_macro): Update.
2915 * line-map.c (init_line_maps): Set depth.
2916 (add_line_map): Increment "used" earlier. Update and use the
2918 (trace_include): Use the include depth.
2919 * line-map.h (struct line_maps): New member depth.
2921 2001-08-21 Neil Booth <neil@daikokuya.demon.co.uk>
2923 * cppfiles.c (stack_include_file): Don't handle -H here.
2924 * cppinit.c (cpp_start_read): Set include tracing after
2925 cpp_post_options and after stacking the main file.
2926 * line-map.c (trace_include): New.
2927 (init_line_maps, add_line_map): Update.
2928 * line-map.h (struct line_maps): New member trace_includes.
2930 2001-08-21 Neil Booth <neil@daikokuya.demon.co.uk>
2932 * cppfiles.c (stack_include_file): Harmonize system headerness tests.
2933 * cppfiles.c (stack_include_file): Only stack a file if there
2934 is something to do. Return a boolean indicating whether a
2935 buffer was stacked or not.
2936 (_cpp_execute_include): Similarly.
2937 (_cpp_read_file): Similarly.
2938 * cpphash.h (_cpp_read_file, _cpp_execute_include): Update prototypes.
2940 2001-08-21 Sam Steingold <sds@gnu.org>
2942 * tradcpp.c (rescan): define obufp_before_macroname before RECACHE
2943 (RECACHE): keep obufp_before_macroname up to date
2945 2001-08-21 Zack Weinberg <zackw@panix.com>
2947 * stmt.c: Don't include insn-codes.h.
2948 (expand_end_case): Machine specific logic moved to expr.c.
2949 No need to worry about __builtin_classify_type.
2950 (check_for_full_enumeration_handling, emit_case_nodes):
2953 * builtins.o (expand_builtin_classify_type): Split up so code
2954 can be shared with fold_builtin_classify_type.
2955 (type_to_class, fold_builtin_classify_type): New functions.
2956 (fold_builtins): Handle __builtin_classify_type.
2958 * expr.c (do_tablejump): Now static.
2959 (case_values_threshold, try_casesi, try_tablejump): New;
2960 code mostly from stmt.c (expand_end_case).
2961 (expr.h): Update prototypes.
2963 * Makefile.in (stmt.o): Update dependencies.
2965 2001-08-21 Will Cohen <wcohen@redhat.com>
2967 * configure/alpha/alpha.h (CONDITIONAL_REGISTER_USAGE): Added local
2968 declaration of variable i.
2969 * configure/rs6000/rs6000.h (CONDITIONAL_REGISTER_USAGE): Added local
2970 declaration of variable i.
2972 2001-08-21 Richard Henderson <rth@redhat.com>
2974 * crtstuff.c: Fix thinko last change. Move list tails to start
2975 of CRT_END section. Tidy ifdefs.
2976 (__EH_FRAME_BEGIN__): Always static for ELF.
2977 (__do_global_ctors_1): Rename from __frame_dummy.
2978 * config/mips/iris6.h (LINK_SPEC): Update for __do_global_ctors_1
2979 name change; don't hide __EH_FRAME_BEGIN__.
2981 2001-08-21 Richard Henderson <rth@redhat.com>
2983 * gdbinit.in: Move break on exit after break on fancy_abort.
2985 * config/ia64/ia64.c (ia64_return_in_memory): True for variable
2988 2001-08-21 Neil Booth <neil@daikokuya.demon.co.uk>
2990 * cpphash.h (_cpp_push_next_buffer): New.
2991 * cppinit.c (do_includes): Remove.
2992 (push_include, free_chain, _cpp_push_next_buffer): New.
2993 (cpp_start_read): Use them to rework command line option handling.
2994 (cpp_handle_option): Combine handling of -include and -imacros.
2995 * cpplex.c (_cpp_lex_token): Push a new -include buffer if
2996 appropriate. Always insert missing \n at EOF.
2997 * cpplib.c (start_directive): Get the directive position right.
2998 * cppmain.c (cb_file_change): Always print the first line, unless
3001 2001-08-20 Andreas Jaeger <aj@suse.de>
3003 * profile.c (compute_branch_probabilities): Remove extra new-line
3005 * flow.c (verify_flow_info): Likewise.
3007 2001-08-20 Diego Novillo <dnovillo@redhat.com>
3009 * basic-block.h (basic_block): Add new field 'flags'.
3010 (BB_REACHABLE): Define.
3011 (expunge_block): Declare.
3012 * flow.c (ENTRY_BLOCK_PTR): Initialize field 'flags'.
3013 (EXIT_BLOCK_PTR): Ditto.
3014 (expunge_block): Remove static declaration.
3015 (cleanup_cfg): Clear bb->aux on every basic block.
3016 (find_unreachable_blocks): Set BB_REACHABLE bit in bb->flags when
3017 computing reachability.
3018 (delete_unreachable_blocks): Delete block b if b->flags has
3021 2001-08-20 Diego Novillo <dnovillo@redhat.com>
3023 * doc/invoke.texi: Replace references to -fdump-tree with -fdump-ast.
3025 2001-08-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3027 * sparc.c (sparc_variable_issue): Fix typo in last change.
3029 2001-08-20 Richard Henderson <rth@redhat.com>
3031 * varasm.c (assemble_integer): Document ppc-eabi -mrelocatable losage.
3033 2001-08-20 John David Anglin <dave@hiauly1.hia.nrc.ca>
3035 * pa.h (RETURN_IN_MEMORY): Improve comment.
3037 2001-08-20 Janis Johnson <janis187@us.ibm.com>
3039 * doc/invoke.texi (Profiling options): Clarify the interactions
3040 between -fprofile-arcs and -ftest-coverage, -fprofile-arcs.
3042 2001-08-20 Jeffrey Oldham <oldham@codesourcery.com>
3044 * crtstuff.c (__do_global_ctors): Fix typo in preprocessing
3047 2001-08-20 Matt Kraai <kraai@alumni.carnegiemellon.edu>
3049 * gcc.c (make_relative_prefix): Allocate a sufficiently large
3052 2001-08-20 Richard Henderson <rth@redhat.com>
3054 * final.c (end_final): Fix typo last change.
3056 2001-08-20 Neil Booth <neil@daikokuya.demon.co.uk>
3058 * cppinit.c (init_standard_includes): The returned buffer
3059 is already malloc-ed.
3060 * gcc.c (add_prefix): Similarly.
3061 * prefix.c (translate_name): Update to support clear buffer
3063 (update_path): Similarly. Be sure to free any newly allocated
3064 key. UPDATE_PATH_HOST_CANONICALIZE takes only one argument.
3066 * prefix.h (update_path): Update prototype and document.
3067 * config/i386/xm-djgpp.h (UPDATE_PATH_HOST_CANONICALIZE): Clean
3068 up and update to new buffer ownership rules.
3069 * doc/gcc.texi (UPDATE_PATH_HOST_CANONICALIZE): Update.
3071 Mon Aug 20 01:44:50 CEST 2001 Jan Hubicka <jh@suse.cz>
3073 * final.c (compute_alignments): New function.
3074 (init_insn_lengths): Do not care label_align.
3075 (LABEL_ALIGN_AFTER_BARRIER): Default to 1.
3076 (LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Default to 0.
3077 (JUMP_ALIGN, JUMP_ALIGN_MAX_SKIP): New.
3078 (shorted_branches): Realloc label_align array; do
3079 not call init_insn_lengths; Do not care about loop alignments.
3080 * output.h (compute_alignments): Declare.
3081 * toplev.c (rest_of_compilation): Call compute_alignments.
3082 * tm.texi (JUMP_ALIGN, JUMP_ALIGN_MAX_SKIP): Document.
3084 * predict.c (block_info_def): Add npredecesors, remove nvisited;
3085 change visited to tovisit.
3086 (propagate_freq): Use faster traversing algorithm.
3087 (estimate_loops_at_level, estimate_bb_frequencies): Change visited
3088 to tovisit; reverse meaning.
3090 * predict.c (struct block_info_def): Remove nvisited.
3091 (propagate_freq): Use EDGE_DFS_BACK to detect irreducible regions.
3092 (estimate_bb_frequencies): Call mark_dfs_back_edges.
3094 2001-08-19 Geoffrey Keating <geoffk@redhat.com>
3096 * doc/invoke.texi (MIPS Options): Document -mfused-madd.
3097 * config/mips/mips.h (MASK_NO_FUSED_MADD): New.
3098 (TARGET_FUSED_MADD): New.
3099 (TARGET_SWITCHES): Add -mfused-madd, -mno-fused-madd.
3100 * config/mips/mips.md: Add TARGET_FUSED_MADD as condition to
3101 the multiply-add instructions.
3103 2001-08-19 Richard Henderson <rth@redhat.com>
3105 * dwarf2asm.c (dw2_output_indirect_constant_1): The symbol ref
3106 is aligned to pointer size.
3108 2001-08-19 Richard Henderson <rth@redhat.com>
3110 * config/ia64/ia64.c (ia64_cycle_display): Only emit cycle
3111 display markers during final schedule.
3113 2001-08-19 Richard Henderson <rth@redhat.com>
3115 * function.c (gen_mem_addressof): Don't call get_alias_set if no decl.
3117 2001-08-19 Richard Henderson <rth@redhat.com>
3119 * config/ia64/ia64.h (STRIP_NAME_ENCODING): Handle @ and *
3121 (ASM_NAME_TO_STRING): Remove.
3122 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Handle @ and *
3123 in the same string. Remove support for expressions.
3125 2001-08-19 Richard Henderson <rth@redhat.com>
3127 * config/i386/i386.md (tablejump): Make an expander; handle
3128 pic relative addressing here.
3129 (tablejump_1): Rename from tablejump_pic.
3132 2001-08-19 Richard Henderson <rth@redhat.com>
3134 * regclass.c (fix_register): Fix typo.
3136 2001-08-18 Richard Henderson <rth@redhat.com>
3138 * config/ia64/unwind-ia64.c (UNW_REG_B0): New.
3139 (struct _Unwind_Context): Expand br_loc to hold it.
3140 (uw_frame_state_for): Handle leaf functions better.
3141 (uw_update_reg_address): Update for br_loc change.
3143 2001-08-18 Richard Henderson <rth@redhat.com>
3145 * crtstuff.c: Move list heads before code that uses them.
3146 (__JCR_LIST__): Remove initial null.
3147 (frame_dummy, __frame_dummy): Do java registration here ...
3148 (__do_global_ctors_aux): ... not here.
3150 * config/ia64/crtbegin.asm (dtor_ptr): Make gp-relative.
3151 (__do_global_dtors_aux): Update to match.
3152 (__JCR_LIST__, __do_jv_register_classes): New.
3154 * config/ia64/crtend.asm (__JCR_END__): New.
3155 (__do_global_ctors_aux): Use a GPREL64I reloc to __CTOR_END__
3156 instead of an indirect LTOFF22 reloc.
3158 2001-08-18 Richard Henderson <rth@redhat.com>
3160 * flow.c (mark_regs_live_at_end): Use regs_invalidated_by_call.
3161 * regclass.c (init_reg_sets_1): Fix typo.
3162 * config/ia64/ia64.c (ar_pfs_reg_operand): New.
3163 (ia64_expand_call): Pass ar.pfs to sibcall expanders.
3164 (ia64_compute_frame_size): Make ar.unat live when in use.
3165 (ia64_epilogue_uses): Reformat; do not check current_function_is_leaf
3166 for ar.pfs; remove ar.unat handling.
3167 * config/ia64/ia64.h (CALL_REALLY_USED_REGISTERS): ar.unat is
3169 (PREDICATE_CODES): Add ar_pfs_reg_operand.
3170 * config/ia64/ia64-protos.h: Update decls.
3171 * config/ia64/ia64.md (sibcall_nopic): Use ar.pfs.
3172 (sibcall_pic): Likewise.
3174 2001-08-18 Richard Henderson <rth@redhat.com>
3176 * config/ia64/ia64.c (ia64_sched_reorder2): Also skip past
3177 pred_rel_mutex when searching for insn_group_barrier.
3178 * config/ia64/ia64.md (cycle_display): Combine the expander
3181 * config/ia64/ia64.c (ia64_internal_sched_reorder): Emit stop
3182 bit before asm as needed.
3184 2001-08-18 Richard Henderson <rth@redhat.com>
3186 * timevar.def (TV_MACH_DEP): New.
3187 * toplev.c (rest_of_compilation): Use it.
3188 * config/ia64/ia64.c (ia64_reorg): Push to TV_SCHED2.
3190 2001-08-18 Zack Weinberg <zackw@panix.com>
3192 * unwind-dw2.c (execute_stack_op): Add default aborts to
3193 the inner switches to prevent warnings.
3195 2001-08-18 Richard Henderson <rth@redhat.com>
3197 * timevar.h (struct timevar_time_def): Change element type to float.
3198 (ticks_to_msec, clocks_to_msec): Likewise.
3199 (TICKS_TO_MSEC, CLOCKS_TO_MSEC): Rescale to seconds; use type float.
3200 (get_time): Likewise.
3201 (timevar_print): Adjust zero check and printing to match.
3203 2001-08-18 Zack Weinberg <zackw@panix.com>
3205 * doc/extend.texi, doc/gcc.texi, doc/install-old.texi,
3206 doc/invoke.texi, doc/md.texi, doc/rtl.texi, doc/include/gpl.texi:
3207 Eliminate overfull or underfull hboxes.
3209 2001-08-18 Zack Weinberg <zackw@panix.com>
3211 * cpperror.c: Use VA_OPEN/VA_CLOSE/VA_FIXEDARG throughout.
3213 2001-08-18 Zack Weinberg <zackw@panix.com>
3215 * haifa-sched.c: Convert to target hooks. Macros replaced
3216 are ISSUE_RATE, ADJUST_COST, ADJUST_PRIORITY, MD_SCHED_INIT,
3217 MD_SCHED_REORDER, MD_SCHED_REORDER2, MD_SCHED_VARIABLE_ISSUE,
3218 MD_SCHED_FINISH, and HAVE_cycle_display.
3219 * target-def.h (TARGET_SCHED_ADJUST_COST,
3220 TARGET_SCHED_ADJUST_PRIORITY, TARGET_SCHED_ISSUE_RATE,
3221 TARGET_SCHED_VARIABLE_ISSUE, TARGET_SCHED_INIT,
3222 TARGET_SCHED_FINISH, TARGET_SCHED_REORDER,
3223 TARGET_SCHED_REORDER2, TARGET_SCHED_CYCLE_DISPLAY):
3224 New hook #defines to be overridden.
3225 (TARGET_SCHED): Bring them all together.
3226 (TARGET_INITIALIZER): Update.
3227 * target.h: Don't forward declare struct rtx_def. Use 'rtx'
3228 instead of 'struct rtx_def *' throughout.
3229 (struct sched): New set of hooks for the scheduler.
3230 * Makefile.in (haifa-sched.o): Depend on target.h.
3231 * doc/tm.texi: Document the new scheduler hooks, together in
3232 their own section, instead of scattered around.
3233 Fix a bunch of underfull/overfull hboxes.
3235 * a29k.h, alpha.h, arm.h, c4x.h, convex.h, d30v.h, i386.h,
3236 ia64.h, m32r.h, m88k.h, mips.h, pa.h, rs6000.h, s390.h, sh.h,
3237 sparc.h: Don't define any of the old scheduler macros.
3239 * a29k.c, alpha.c, arm.c, c4x.c, convex.c, d30v.c, i386.c,
3240 ia64.c, m32r.c, m88k.c, mips.c, pa.c, rs6000.c, s390.c, sh.c,
3241 sparc.c: Create hook functions from code extracted from
3242 corresponding target header, or make existing hooks static, as
3243 appropriate. Set the appropriate entries in targetm.
3245 * alpha-protos.h, arm-protos.h, c4x-protos.h, d30v-protos.h,
3246 i386-protos.h, ia64-protos.h, m32r-protos.h, pa-protos.h,
3247 rs6000-protos.h, s390-protos.h, sparc-protos.h:
3248 Remove prototypes for functions which are now static.
3250 * d30v.h, d30v.c, m32r.h, m32r.c: Remove #ifdef HAIFA and
3251 related gunk; the Haifa scheduler is now the only choice.
3253 2001-08-18 Zack Weinberg <zackw@panix.com>
3255 * optabs.h (OTI_flodiv, flodiv_optab): Kill.
3256 * genopinit.c: Put floating point divide insns in sdiv_optab.
3257 * expr.c (expand_expr): Use sdiv_optab, not flodiv_optab.
3258 * config/gofast.h, config/c4x/c4x.h,
3259 config/ia64/hpux_longdouble.h, config/mips/mips.h,
3260 config/pa/long_double.h, config/rs6000/sysv4.h,
3261 config/sparc/sparc.h: Put floating point divide libcalls in sdiv_optab.
3262 * optabs.c (init_optab): Break into new_optab, init_optab, init_optabv.
3263 (init_optabs): Use init_optabv for overflow-trapping optabs.
3264 Don't init flodiv_optab. Give mov_optab, movstrict_optab, and
3265 cmp_optab RTX codes so have_insn_for can find them.
3267 * optabs.c (expand_simple_binop, expand_simple_unop,
3268 have_insn_for, gen_sub3_insn): New interfaces.
3269 * expr.h: Prototype new functions.
3270 (enum optab_methods): Move here from optabs.h.
3272 * builtins.c, combine.c, doloop.c, function.c, ifcvt.c,
3273 loop.c, profile.c, simplify-rtx.c, stmt.c, unroll.c:
3274 Use new functions instead of working directly with optabs.
3275 * doloop.c, ifcvt.c, loop.c, profile.c, simplify-rtx.c,
3276 unroll.c: Don't include optabs.h.
3277 * caller-save.c, combine.c, function.c, stmt.c: Just include
3278 insn-codes.h, not optabs.h.
3279 * Makefile.in: Update dependencies.
3281 * combine.c (make_compound_operation, simplify_comparison):
3282 Fix typos testing for this or that instruction.
3284 2001-08-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3286 * mklibgcc.in: Prefer LIB1ASMFUNCS over LIB2_DIVMOD_FUNCS when
3287 generating libgcc.a.
3289 2001-08-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3291 * except.c (TYPE_HASH): Delete.
3293 * objc/objc-act.c (HASHFUNCTION): Cast to size_t, not
3296 * tree.c (TYPE_HASH): Delete.
3298 * tree.h (TYPE_HASH): Define.
3300 2001-08-18 Graham Stott <grahams@redhat.com>
3302 * config/mips/mips.md (adddi3_internal_2+1): Remove contraints from
3304 (adddi3_internal_2+2): Likewise.
3305 (eh_set_lr_di+1): Likewise.
3307 2001-08-17 Richard Henderson <rth@redhat.com>
3309 * defaults.h (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
3310 UNALIGNED_DOUBLE_INT_ASM_OP, ASM_BYTE_OP): Move from ...
3311 * dwarf2asm.c: ... here.
3312 * dwarfout.c: Remove them.
3314 * varasm.c (assemble_integer): Add align parameter.
3315 (assemble_real, output_constant, output_constructor): Likewise.
3316 * output.h: Update decls.
3317 * dwarf2asm.c, final.c, varasm.c, config/darwin.c, config/nextstep.c,
3318 config/alpha/alpha.c, config/arm/arm.md, config/clipper/clipper.c,
3319 config/m88k/m88k.c, config/mcore/mcore.md, config/mips/mips.h,
3320 config/mips/mips.md, config/pa/pa.c, config/rs6000/rs6000.c,
3321 config/rs6000/rs6000.h, config/s390/s390.h, config/sh/sh.md:
3324 * final.c (end_final): Abort profile block generation if we
3325 havn't layed it out properly.
3326 * output.h (assemble_eh_integer): Remove stale decl.
3327 * varasm.c (assemble_zeros): Tidy; use assemble_integer.
3329 (assemble_integer): Handle unaligned data.
3330 (assemble_real): Abort on unaligned data.
3331 (output_constructor): Don't assume ASM_OUTPUT_ALIGN 0 does
3333 (default_dtor_section_asm_out_destructor): Use assemble_align.
3334 (default_named_section_asm_out_constructor): Likewise.
3335 (default_ctor_section_asm_out_constructor): Likewise.
3336 * config/darwin.c (machopic_asm_out_constructor): Likewise.
3337 (machopic_asm_out_destructor): Likewise.
3338 * config/nextstep.c (nextstep_asm_out_constructor): Likewise.
3339 (nextstep_asm_out_destructor): Likewise.
3340 * config/alpha/alpha.c (vms_asm_out_constructor): Likewise.
3341 (vms_asm_out_destructor): Likewise.
3343 2001-08-17 Richard Henderson <rth@redhat.com>
3345 * config/mips/iris6.h (TARGET_IRIX6): New.
3346 (current_section_name, current_section_flags): New.
3347 (ASM_OUTPUT_ALIGN, ASM_FILE_START, ASM_FILE_END): New.
3348 (MAX_OFILE_ALIGNMENT): New.
3349 (ASM_OUTPUT_ALIGNED_LOCAL): Use bss_section.
3350 * config/mips/mips.c (mips_make_temp_file, temp_filename): Remove.
3351 (copy_file_data): Split out from
3352 (mips_asm_file_end): ... here.
3353 (mips_asm_file_start): Remove extra .section directive. Use
3354 tmpfile instead of mips_make_temp_file.
3355 (mips_unique_section): Use const char * as needed for warnings.
3356 (iris6_asm_named_section_1): Renamed from iris6_asm_named_section;
3357 re-add align parameter.
3358 (iris6_asm_named_section): New.
3359 (iris_section_align_entry_eq, iris_section_align_entry_hash): New.
3360 (iris6_asm_output_align, iris6_section_align_1): New.
3361 (iris6_asm_file_start, iris6_asm_file_end): New.
3362 * config/mips/mips-protos.h: Update decls.
3364 2001-08-17 Janis Johnson <janis187@us.ibm.com>
3366 * doc/install.texi (Install GCC): Add links to build status pages.
3368 (Final install): Ditto; request updates for specific info
3370 2001-08-17 Neil Booth <neil@daikokuya.demon.co.uk>
3372 * cpperror.c (print_location): Don't take a file name; use the
3374 (_cpp_begin_message): Similarly.
3375 (cpp_ice, cpp_fatal, cpp_error, cpp_error_with_line, cpp_warning,
3376 cpp_warning_with_line, cpp_pedwarn, cpp_pedwarn_with_line): Update.
3377 (cpp_pedwarn_with_file_and_line): Remove.
3378 * cppfiles.c (stack_include_file): Update; set filename to stdin
3379 here when appropriate.
3380 * cpphash.h (struct cpp_buffer): Remove nominal_fname.
3381 (_cpp_begin_message): Don't take a file name.
3382 * cppinit.c: Add comment.
3383 * cpplex.c: Fix end-of-directive indicator.
3384 * cpplib.c: Don't include intl.h.
3385 (run_directive, do_diagnostic): Update.
3386 (do_line): Update to not use nominal_fname.
3387 (cpp_push_buffer): Don't take a filename.
3388 * cpplib.h (struct ht): Remove.
3389 (cpp_push_buffer): Don't take a filename.
3390 (cpp_pedwarn_with_file_and_line): Remove.
3391 * cppmacro.c (struct cpp_macro): Remove file.
3392 (builtin_macro): Update.
3393 (_cpp_create_definition): Update.
3394 * cppmain.c: Correct comment.
3395 * fix-header.c (read_scan_file): Update.
3397 2001-08-17 Kazu Hirata <kazu@hxi.com>
3399 * sbitmap.c: Fix comment formatting.
3400 * sched-deps.c: Likewise.
3401 * sibcall.c: Likewise.
3402 * simplify-rtx.c: Likewise.
3404 * ssa-ccp.c: Likewise.
3405 * stor-layout.c: Likewise.
3406 * timevar.c: Likewise.
3407 * toplev.c: Likewise.
3408 * unwind-dw2.c: Likewise.
3409 * unwind-dw2-fde.c: Likewise.
3410 * varasm.c: Likewise.
3412 2001-08-17 John David Anglin <dave@hiauly1.hia.nrc.ca>
3414 * pa.h (RETURN_IN_MEMORY): Return types with a size that is varable
3415 or larger than an integer in memory.
3417 2001-08-17 Zack Weinberg <zackw@panix.com>
3419 * system.h: Forward-declare struct rtx_def, struct rtvec_def,
3420 and union tree_node. Typedef rtx, rtvec, and tree. Fix comment.
3421 * rtl.h: Don't forward-declare union tree_node here. Don't
3422 typedef rtx or rtvec here. Change all uses of struct rtx_def *,
3423 struct rtvec_def *, or union tree_node * to use rtx, rtvec,
3424 and tree respectively.
3425 * tree.h: Don't forward-declare struct rtx_def here. Don't
3426 typedef tree here. Change all uses of struct rtx_def *,
3427 struct rtvec_def *, or union tree_node * to use rtx, rtvec,
3428 and tree respectively.
3430 2001-08-17 Richard Henderson <rth@redhat.com>
3432 * config/mips/elf.h, config/mips/elf64.h, config/mips/netbsd.h,
3433 config/mips/openbsd.h: Fix typos last change.
3435 2001-08-17 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3437 * doc/invoke.texi (Optimize Options): The default for
3438 -finline-limit is 600.
3440 2001-08-17 Richard Henderson <rth@redhat.com>
3442 * varasm.c (text_section): Allow TEXT_SECTION to override the
3443 printing of TEXT_SECTION_ASM_OP.
3444 * dwarf2out.c (TEXT_SECTION_NAME): Rename from TEXT_SECTION.
3445 (DATA_SECTION, BSS_SECTION): Remove.
3446 * dwarfout.c (TEXT_SECTION_NAME, DATA_SECTION_NAME, DATA1_SECTION_NAME,
3447 RODATA_SECTION_NAME, RODATA1_SECTION_NAME, BSS_SECTION_NAME):
3448 Rename from s/_NAME//.
3449 * config/mips/mips.h (TARGET_FILE_SWITCHING): Add !TARGET_MIPS16.
3450 (ASM_DECLARE_FUNCTION_NAME): Move file switching ...
3451 (TEXT_SECTION): ... here. New.
3452 * config/mips/elf.h (TEXT_SECTION): New; no file switching.
3453 * config/mips/elf64.h, config/mips/netbsd.h: Likewise.
3454 * config/mips/openbsd.h: Likewise.
3455 * config/mips/mips.c (mips_asm_file_start): Tidy file switching test.
3456 (mips_asm_file_end): Likewise test.
3457 (mips_output_function_epilogue): Likewise. Switch back to data
3458 section after emitting the function.
3460 * doc/tm.texi (Sections): Document TEXT_SECTION.
3462 2001-08-17 Richard Henderson <rth@redhat.com>
3464 * dwarf2out.c (dwarf2out_init): Don't emit .debug_loc label here.
3465 (dwarf2out_finish): Do it here. Emit .debug_loc before .debug_info.
3467 2001-08-17 Richard Henderson <rth@redhat.com>
3469 * varasm.c (assemble_variable): Don't overalign if DECL_USER_ALIGN.
3470 * crtstuff.c (__CTOR_LIST__, __DTOR_LIST__, __EH_FRAME_BEGIN__,
3471 __JCR_LIST__, __CTOR_END__, __DTOR_END__, __FRAME_END__,__JCR_END__):
3472 Add aligned attribute.
3474 2001-08-17 Andrew Haley <aph@cambridge.redhat.com>
3476 * config/sh/sh.md: Add modes to unspecs in first insn to match
3477 those in the second.
3479 * Makefile.in: Fix collect2 copy for Cygwin.
3481 Fri Aug 17 15:48:57 CEST 2001 Jan Hubicka <jh@suse.cz>
3483 Install the proper patch.
3484 * function.c (put_var_into_stack): Temporarily clear DECL_RTL.
3485 (assign_params): Avoid setting DECL_RTL to unfinished RTX.
3486 (expand_function_start): Likewise.
3487 * stmt.c (expand_decl): Likewise.
3488 * varasm.c (make_decl_rtx): Likewise.
3490 Fri Aug 17 15:41:35 CEST 2001 Jan Hubicka <jh@suse.cz>
3492 * final.c: Undo my previous accidental checkin.
3493 * output.h: Likewise.
3494 * tm.texi: Likewise.
3496 2001-08-16 Richard Henderson <rth@redhat.com>
3498 * varasm.c (named_section_flags): Remove align parameter.
3499 * varasm.c, dwarf2out.c: Update all callers.
3500 * output.h: Update prototypes.
3502 * target.h (target.asm_out.named_section): Remove align parameter.
3503 * varasm.c, config/a29k/a29k.c, config/alpha/alpha.c,
3504 config/arm/arm.c, config/c4x/c4x.c, config/h8300/h8300.c,
3505 config/i386/i386.c, config/i386/winnt.c, config/m68k/m68k.c,
3506 config/mcore/mcore.c, config/mips/mips.c, config/rs6000/rs6000.c,
3507 config/sh/sh.c, config/sparc/sparc.c: Update implementations to match.
3509 * varasm.c (in_named_entry_eq, in_named_entry_hash): New.
3510 (get_named_section_flags, set_named_section_flags): New.
3511 (named_section_flags): Use them.
3512 (named_section): Do decl vs section flags check here...
3513 (default_section_type_flags): ... not here.
3514 (init_varasm_once): Create in_named_htab.
3515 (resolve_unique_section): Mark reloc unused.
3517 2001-08-16 Richard Henderson <rth@redhat.com>
3519 * varasm.c (force_const_mem): Keep pool alignment in bits.
3520 (output_constant_pool): Use assemble_align.
3522 2001-08-16 Zack Weinberg <zackw@panix.com>
3524 * doc/tm.texi: Remove extra @table command.
3526 2001-08-16 Zack Weinberg <zackw@panix.com>
3528 * final.c (shorten_branches): Clear the end of the label_align
3529 array only if we made it larger. Break up messy expressions
3532 * diagnostic.c (internal_error): Check for error recursion
3533 before doing ICE suppression.
3535 * timevar.c: Timing variables now count in milliseconds.
3536 (init_timevar): Set up ticks_to_msec and clocks_to_msec here.
3537 (get_time): Not here.
3538 (timevar_print): Don't print any timer whose user, cpu, and
3539 wall times are all zero as displayed.
3540 * timevar.h: Update comment aboout units. Make timevar
3543 Thu Aug 16 17:39:45 CEST 2001 Jan Hubicka <jh@suse.cz>
3545 * function.c (put_var_into_stack): Temporarily clear DECL_RTL.
3546 (assign_params): Avoid setting DECL_RTL to unfinished RTX.
3547 (expand_function_start): Likewise.
3548 * stmt.c (expand_decl): Likewise.
3549 * varasm.c (make_decl_rtx): Likewise.
3551 2001-08-16 Jason Merrill <jason_merrill@redhat.com>
3553 * stor-layout.c (layout_decl): Don't set DECL_USER_ALIGN.
3554 (finalize_record_size): Don't set TYPE_USER_ALIGN.
3556 2001-08-16 Matt Kraai <kraai@alumni.carnegiemellon.edu>
3558 * config/i386/i386.c (ix86_init_mmx_sse_builtins): Remove unused
3561 2001-08-16 Andreas Jaeger <aj@suse.de>
3563 * config/s390/s390.c: Include "debug.h" for dwarf2out_do_frame
3566 Wed Aug 15 15:22:52 EDT 2001 John Wehle (john@feith.com)
3568 * rtl.h (only_sets_cc0_p): New prototype.
3569 * jump.c (sets_cc0_p): Handle INSN.
3570 (only_sets_cc0_p): New function.
3571 * flow.c (merge_blocks_nomove): Use only_sets_cc0_p.
3572 (tidy_fallthru_edge): Likewise.
3573 * integrate.c (copy_insn_list): Likewise.
3574 * unroll.c (unroll_loop): Likewise.
3575 (copy_loop_body): Likewise.
3577 2001-08-15 Jason Eckhardt <jle@redhat.com>
3579 * config/i960/i960.md (trap): Change "faulteq.t" to "faulte.t".
3581 Wed Aug 15 14:24:22 CEST 2001 Jan Hubicka <jh@suse.cz>
3583 * predict.c (struct block_info_def): Remove nvisited.
3584 (propagate_freq): Use EDGE_DFS_BACK to detect irreducible regions.
3585 (estimate_bb_frequencies): Call mark_dfs_back_edges.
3587 * i386.c (ix86_agi_depdendant): Lea causes AGI only on the Pentium
3588 (ix86_adjust_cost): Teach scheduler that latency to load operand can
3591 Wed Aug 15 12:41:32 CEST 2001 Jan Hubicka <jh@suse.cz>
3593 * predict.def: Update hitrates.
3595 2001-08-15 Richard Henderson <rth@redhat.com>
3597 * except.c (TYPE_HASH): Cast to size_t, not HOST_WIDE_INT.
3599 Tue Aug 14 17:30:59 2001 Jeffrey A Law (law@cygnus.com)
3601 * flow.c (commit_one_edge_insertion): Don't separate a LOOP_BEG
3602 note from its associated jump.
3604 2001-08-14 Ulrich Weigand <uweigand@de.ibm.com>
3606 * config/s390/linux64.h (CPP_PREDEFINES): Define __s390__
3607 also on 64-bit s390x targets.
3609 2001-08-14 Nick Clifton <nickc@cambridge.redhat.com>
3611 * config/arm/arm.c (arm_compute_initial_elimination_offset): New
3613 (arm_expand_prologue): Handled nested functions which take a
3614 variable argument list.
3615 * config/arm/arm.h (ARM_INITIAL_ELIMINATION_OFFSET): Replace
3616 macro with an invocation of
3617 arm_compute_initial_elimination_offset.
3618 * config/arm/arm-protos.h: Prototype
3619 arm_compute_initial_elimination_offset.
3621 2001-08-14 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3623 * doc/install.texi (Specific, avr): Fix markup.
3624 (Specific, c4x): Ditto.
3626 2001-08-14 Matt Kraai <kraai@alumni.carnegiemellon.edu>
3628 * predict.c (dump_prediction): Change `bool' parameter to `int'.
3630 2001-08-14 Gabriel Dos Reis <gdr@codesourcery.com>
3632 * Makefile.in (OBJS): Add rtl-error.o
3633 (rtl-error.o): New rule.
3634 (diagnostic.o): Adjust dependency.
3635 diagnostic.c (file_and_line_for_asm, diagnostic_for_asm,
3636 error_for_asm, _fatal_insn, _fatal_insn_not_found,
3637 warning_for_asm): Move to...
3638 rtl-error.c: ...here. New file.
3640 2001-08-14 Richard Henderson <rth@redhat.com>
3642 * dwarf2out.c (dwarf2out_frame_finish): Never emit .eh_frame
3643 if USING_SJLJ_EXCEPTIONS.
3645 2001-08-14 Steve Ellcey <sje@cup.hp.com>
3647 * tlink.c (scan_linker_output): Check string for unsatisfied in
3648 addition to undefined and unresolved.
3650 2001-08-14 Graham Stott <grahams@redhat.com>
3652 * libgcc2.c (*): Replace EH_FRAME_SECTION with
3653 EH_FRAME_SECTION_NAME.
3655 Tue Aug 14 14:57:07 CEST 2001 Jan Hubicka <jh@suse.cz>
3657 * genattrtab.c (simplify_test_exp_in_temp): New function.
3658 (simplify_test_exp): Avoid explicit use of temporary obstack.
3659 (simplify_cond, insert_right_side, evaluate_eq_attr,
3660 simplify_and_tree, simplify_or_tree, eliminate_known_true):
3661 Use simplify_test_exp_in_temp.
3662 (optimize_attrs): Iterate until expression stabilizes.
3664 2001-08-13 Ulrich Weigand <uweigand@de.ibm.com>:
3666 * glimits.h: Remove the __LONG_MAX__ special case for s390x.
3667 * config/s390/linux64.h: Define __LONG_MAX__ in CPP_PREDEFINES.
3669 2001-08-13 Richard Henderson <rth@redhat.com>
3671 * config/arm/unknown-elf.h (CTOR_LIST_BEGIN, CTOR_LIST_END): Remove.
3672 (DTOR_LIST_BEGIN, DTOR_LIST_END): Remove.
3673 * config/arm/conix-elf.h: Likewise.
3675 2001-08-13 Geoffrey Keating <geoffk@redhat.com>
3677 * config/svr4.h (LINK_SPEC): Don't do -Wl, here, it is done
3679 * config/rs6000/sysv4.h (LINK_SPEC): Likewise.
3681 * gcse.c (hash_scan_set): Expressions that are set as part of
3682 jump instructions are not available.
3684 2001-08-13 Ulrich Weigand <uweigand@de.ibm.com>
3686 * config/s390/s390.c (print_operand, s390_function_prologue,
3687 s390_va_start): Fixed HOST_WIDE_INT type mismatch.
3689 2001-08-13 Richard Henderson <rth@redhat.com>
3691 * config/rs6000/xcoff.h (EH_FRAME_IN_DATA_SECTION): New.
3692 * defaults.h (EH_FRAME_SECTION_NAME): Respect it.
3693 * doc/tm.texi (Exception Region Output): Document it.
3695 2001-08-13 Geoffrey Keating <geoffk@redhat.com>
3697 * config/rs6000/sysv4.h (PREFERRED_DEBUGGING_TYPE): Use
3698 DWARF2 instead of stabs by default.
3700 2001-08-13 David Edelsohn <edelsohn@gnu.org>
3702 * config/rs6000/rs6000.c: Include optabs.h.
3704 2001-08-13 David Edelsohn <edelsohn@gnu.org>
3706 * config/rs6000/eabi.asm: Define 64-bit versions of FPR
3707 save/restore routines.
3708 * ginclude/ppc-asm.h: Define 64-bit FUNC_* macros.
3710 2001-08-13 Andreas Jaeger <aj@suse.de>
3712 * gcc.c (init_spec): Revert last patch by Theodore Papadopoulo,
3713 the english is correct.
3715 2001-08-13 Zack Weinberg <zackw@panix.com>
3717 * expr.h: Split out optab- and libfunc-related code to...
3718 * optabs.h, libfuncs.h: ... these new headers.
3720 * Makefile.in (CONFIG_H, EXPR_H): Take out insn-codes.h.
3722 (various .o rules): Add $(OPTABS_H) and/or libfuncs.h to
3724 * mkconfig.sh: Don't include insn-codes.h from config.h.
3726 * reload.h: Use #ifdef GCC_INSN_CODES_H to decide whether
3727 enum insn_code is available. Move reload_in_optab and
3728 reload_out_optab array declarations to optabs.h.
3729 * regmove.c (gen_add3_insn): Move to optabs.c, export from
3730 there, prototype in expr.h.
3731 * gencodes.c: Cleanup: zap global variables, don't use
3732 printf where puts will do, don't bother defining MAX_INSN_CODE
3733 which nothing uses, let CODE_FOR_nothing get its value implicitly.
3735 * genemit.c, genopinit.c: Include optabs.h in generated file.
3736 * genoutput.c: Include insn-codes.h in generated file.
3737 * builtins.c, caller-save.c, combine.c, doloop.c, explow.c,
3738 expmed.c, expr.c, function.c, ifcvt.c, loop.c, optabs.c, profile.c,
3739 reload1.c, simplify-rtx.c, stmt.c, unroll.c, config/alpha/alpha.c,
3740 config/arm/arm.c, config/c4x/c4x.c, config/clipper/clipper.c,
3741 config/i386/i386.c, config/ia64/ia64.c, config/mn10300/mn10300.c,
3742 config/pj/pj.c, config/sh/sh.c, config/sparc/sparc.c:
3744 * builtins.c, calls.c, dwarf2out.c, except.c, expr.c, function.c,
3745 optabs.c, stmt.c, config/c4x/c4x.c, config/clipper/clipper.c,
3746 config/m88k/m88k.c, config/sparc/sparc.c:
3748 * reload.c: Include expr.h and optabs.h before reload.h.
3749 * config/alpha/alpha.c: Include tree.h before reload.h.
3750 * config/pa/pa.c: Include expr.h, optabs.h, libfuncs.h,
3751 and reload.h in that order.
3752 * config/sparc/sparc.c: Include debug.h.
3753 * recog.c: Include insn-codes.h.
3755 2001-08-13 Andreas Jaeger <aj@suse.de>
3757 * config.gcc: Use t-slibgcc-elf to build shared libgcc_s on
3760 2000-08-13 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
3762 * dwarf2out.c (output_cfa_loc): Fix typo in comment.
3763 * gcc.c (init_spec): Fix typo in comment.
3764 * varasm.c (data_section): Fix typo in comment.
3766 Mon Aug 13 02:27:39 CEST 2001 Jan Hubicka <jh@suse.cz>
3768 * predict.c (dump_prediction): New argument "USED".
3769 (combine_predictions_for_insn): Determine the used heuristics,
3770 output the case no heuristic applied.
3771 * predict.def (PRED_DS_THEORY, PRED_NO_HEURISTIC): New.
3773 2001-08-13 Andreas Jaeger <aj@suse.de>
3775 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Don't capitalize
3778 2001-08-13 Kazu Hirata <kazu@hxi.com>
3780 * jump.c: Fix formatting.
3782 2001-08-13 Kazu Hirata <kazu@hxi.com>
3784 * config/h8300/h8300.md (zero_extendqihi2): Correct the insn
3787 2001-08-12 Geoffrey Keating <geoffk@redhat.com>
3789 * loop.c (check_dbra_loop): Use condjump_label to compute
3792 * rtl.h: Move prototypes of rtx_alloc and rtvec_alloc around
3793 to better document the files they're in.
3795 2001-08-12 Zack Weinberg <zackw@panix.com>
3797 * recog.h (struct insn_operand_data): Shrink 'mode' field
3800 2001-08-12 Kazu Hirata <kazu@hxi.com>
3802 * gcc.c: Fix comment formatting.
3803 * gccspec.c: Likewise.
3806 * genemit.c: Likewise.
3807 * gengenrtl.c: Likewise.
3808 * genrecog.c: Likewise.
3809 * gensupport.c: Likewise.
3810 * ggc-page.c: Likewise.
3811 * global.c: Likewise.
3812 * graph.c: Likewise.
3813 * ifcvt.c: Likewise.
3814 * integrate.c: Likewise.
3816 * libgcc2.c: Likewise.
3818 * mbchar.c: Likewise.
3819 * optabs.c: Likewise.
3820 * predict.c: Likewise.
3821 * prefix.c: Likewise.
3822 * profile.c: Likewise.
3823 * protoize.c: Likewise.
3825 * recog.c: Likewise.
3826 * regclass.c: Likewise.
3827 * regmove.c: Likewise.
3828 * reg-stack.c: Likewise.
3829 * reload1.c: Likewise.
3830 * resource.c: Likewise.
3831 * rtlanal.c: Likewise.
3834 2001-08-12 Kazu Hirata <kazu@hxi.com>
3836 * doc/tm.texi (ENCODE_SECTION_INFO): Add documentation on how
3837 a tree representing a constant is passed to the macro.
3839 2001-08-12 Richard Henderson <rth@redhat.com>
3841 * config/rs6000/rs6000.c (rs6000_elf_asm_out_constructor): New.
3842 (rs6000_elf_asm_out_destructor): New.
3843 * config/rs6000/sysv4.h (CTORS_SECTION_ASM_OP): Remove.
3844 (DTORS_SECTION_ASM_OP): Remove.
3845 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
3846 (ASM_OUTPUT_INT): Don't hack TARGET_RELOCATABLE for constructors.
3848 2001-08-12 David Edelsohn <edelsohn@gnu.org>
3851 2001-08-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3852 * gcc.c (set_collect_gcc_options): New function, split out from
3854 Ignore elided switches.
3855 (do_spec_1): Invoke before executing command.
3856 (set_input): Export.
3857 Move declaration ...
3858 * gcc.h (set_input): ... here.
3859 * config/alpha/osf.h (ASM_FINAL_SPEC): Use %U.s to refer to input
3862 2001-08-12 Richard Henderson <rth@redhat.com>
3864 * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): Fix
3865 thinko wrt TARGET_RELOCATABLE.
3867 2001-08-12 Neil Booth <neil@daikokuya.demon.co.uk>
3869 * fix-header.c (cb_file_change): Update prototype.
3871 2001-08-11 Zack Weinberg <zackw@panix.com>
3873 * toplev.c (set_float_handler): Make static.
3874 * toplev.h: Don't prototype set_float_handler.
3876 * simplify-rtx.c: Don't include setjmp.h.
3877 (simplify_unary_real, simplify_binary_real, simplify_binary_is2orm1):
3879 (simplify_unary_operation, simplify_binary_operation): Use them,
3880 via do_float_handler.
3882 * fold-const.c: Don't include setjmp.h.
3883 (exact_real_inverse_1): New function.
3884 (exact_real_inverse): Use it, via do_float_handler.
3886 * varasm.c: Don't include setjmp.h.
3887 (assemble_real_1): New function.
3888 (assemble_real): Use it, via do_float_handler.
3889 Call internal_error if we get a trap here.
3891 * c-parse.in, cse.c, cselib.c, config/i386/i386.c,
3892 config/pj/pj.c, config/s390/s390.c: Don't include setjmp.h.
3894 2001-08-11 Zack Weinberg <zackw@panix.com>
3896 * defaults.h: Define PREFERRED_STACK_BOUNDARY to
3897 STACK_BOUNDARY if not already defined.
3899 * calls.c, function.c, reload1.c, explow.c: Don't default
3900 PREFERRED_STACK_BOUNDARY. Remove all #if/#ifdef on
3901 PREFERRRED_STACK_BOUNDARY and/or STACK_BOUNDARY.
3903 * explow.c (allocate_dynamic_stack_space): Change unsafe #if
3906 * doc/tm.texi: Document that STACK_BOUNDARY is required;
3907 clarify difference between it and PREFERRED_STACK_BOUNDARY.
3909 2001-08-11 Neil Booth <neil@daikokuya.demon.co.uk>
3911 * cppmacro.c (enter_macro_context): Push macro expansions even
3914 2001-08-11 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3916 * config/rs6000/rs6000.c: Include integrate.h to silence warning.
3917 (rs6000_elf_section_type_flags): Actually return a value.
3919 2001-08-11 Ulrich Weigand <uweigand@de.ibm.com>
3921 * s390.c, s390.h, s390.md, s390-protos.h, linux.h, t-linux:
3922 Clean up code: add missing comments and prototypes, fix warnings,
3923 remove obsolete code, fix spacing to conform to coding style.
3925 2001-08-11 Ulrich Weigand <uweigand@de.ibm.com>
3927 * config/s390/s390.c (targetm): Define TARGET_ASM_OPEN_PAREN
3928 and TARGET_ASM_CLOSE_PAREN.
3929 (regclass_map): CC register belongs to class NO_REGS.
3930 (legitimize_pic_address): Don't generate unnecessary moves
3931 (to avoid confusing loop optimization).
3932 (check_and_change_labels): Replace jump_long by indirect_jump.
3933 (s390_final_chunkify): Don't start a new literal pool on section
3934 switch in 64-bit code.
3935 (s390_va_start, s390_va_arg): Fixed incorrect sizes for 64-bit.
3937 * config/s390/s390.h (TARGET_SWITCHES): Renamed debug_arg to debug.
3938 (MAX_BITS_PER_WORD, MAX_LONG_TYPE_SIZE): Set to 64 (for 64-bit).
3939 (HARD_REGNO_MODE_OK, RETURN_IN_MEMORY): Support complex integer
3941 (reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Remove CC_REGS.
3942 (EH_RETURN_HANDLER_RTX): Fixed incorrect offset for 64-bit.
3943 (CONST_COSTS): Fixed incorrect costs.
3945 * config/s390/s390.md (fixuns_trunc[sd]f[sd]i2, udivsi3, umodsi3):
3946 Use emit_jump instead of emit_jump_insn (gen_jump).
3947 (divsi3, modsi3): Clobber low word of divmoddisi3 before shifting
3948 (to avoid confusing flow analysis).
3949 (tablejump, tablejump1, tablejump2): Removed. Replaced by casesi.
3950 (casesi, casesi_jump): New.
3951 (jump_long): Removed. Functionality merged into indirect_jump.
3952 (indirect_jump): Accept address_operand, not just register_operand.
3953 (cjump_long, icjump_long): Use same logic as indirect_jump.
3954 (builtin_setjmp_setup, builtin_setjmp_receiver, builtin_longjmp):
3955 Fixed broken setjmp/longjmp handling.
3956 (do_builtin_setjmp_setup): Removed.
3958 * config/s390/linux.h (ASM_OUTPUT_DOUBLE_INT): Work around
3959 broken GNU as versions that don't accept .quad with large
3960 negative values. Use hexadecimal output instead.
3961 (ASM_OUTPUT_ADDR_DIFF_ELT): Adapt to new casesi insn.
3962 (ASM_OPEN_PAREN, ASM_CLOSE_PAREN, FUNCTION_PROLOGUE,
3963 FUNCTION_EPILOGUE): Removed. Now in targetm.
3965 * config/s390/linux64.h (CALL_USED_REGISTERS): Add CC register.
3967 * config/s390/fixdfdi.h: Add missing copyright statement.
3968 Fix type conflicts on 64-bit. Add missing SFmode routines.
3970 * s390.c, s390.h, s390.md, linux.h, linux64.h: Fixed incorrect
3973 2001-08-11 Richard Henderson <rth@redhat.com>
3975 * rtl.h (REG_EH_RETHROW): Remove.
3976 * rtl.c (reg_note_name): Update.
3977 * combine.c (distribute_notes): Don't check for it.
3979 2001-08-11 Richard Henderson <rth@redhat.com>
3981 * combine.c (distribute_notes): Place REG_SETJMP.
3983 2001-08-11 Richard Henderson <rth@redhat.com>
3985 * doc/extend.texi (Arrays and pointers implementation): Discourage
3986 relying on sign-extension of pointers.
3988 2001-08-11 H.J. Lu <hjl@gnu.org>
3990 * config/mips/linux.h (EXTRA_SECTIONS): Remove in_ctors and
3992 (EXTRA_SECTION_FUNCTIONS): Remove DTORS_SECTION_ASM_OP and
3993 RDATA_SECTION_ASM_OP.
3995 2001-08-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3997 * doc/install.texi (Specific, c4x): Fix cross-reference to the
3998 main manual to work both for info and HTML versions.
4000 2001-08-11 Neil Booth <neil@daikokuya.demon.co.uk>
4001 Matt Kraai <kraai@alumni.carnegiemellon.edu>
4003 * cpphash.c (_cpp_destroy_hashtable): Use ht_destroy.
4004 * cpphash.h (CPP_IN_SYSTEM_HEADER): Fix.
4005 (struct cpp_pool): New member first.
4006 * cppinit.c (append_include_chain): Plug memory leaks.
4007 * cpplib.c (cpp_register_pragma, cpp_register_pragma_space):
4008 Allocate pragma structures from the (aligned) macro pool to
4009 avoid leaking memory.
4010 * cpplex.c (_cpp_init_pool, _cpp_free_pool): Use pool->first
4011 so we don't leak memory.
4012 * hashtable.c (ht_destroy): New.
4013 * hashtable.h (ht_destroy): New.
4015 2001-08-11 Neil Booth <neil@daikokuya.demon.co.uk>
4016 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4018 * c-lex.c (map): Make const.
4019 (cb_file_change): Update for callback passing a line map.
4020 Don't assume we have a previous map. Remove sanity check
4021 about popping too many files.
4022 * cpperror.c (print_location): Make map const.
4023 * cppfiles.c (stack_include_file): Update; line maps now hold sysp.
4024 (cpp_make_system_header): Similarly.
4025 (search_from): Similarly.
4026 (_cpp_execute_include): Don't remember where we came from.
4027 * cpphash.h (struct cpp_buffer): Remove return_to_line, sysp.
4028 (struct cpp_reader): Make map const.
4029 (CPP_IN_SYSTEM_HEADER, _cpp_do_file_change): Update.
4030 * cpplib.c (do_line): Update; line maps now hold sysp.
4031 (cpp_push_buffer): Similarly.
4032 (_cpp_do_file_change): Similarly; callback with map instead.
4033 (cpp_get_line_maps): Constify return value.
4034 (_cpp_pop_buffer): Update.
4035 * cpplib.h (struct cpp_file_change): Remove.
4036 (struct cpp_callbacks): Update.
4037 (cpp_get_line_maps): Constify return value.
4038 * cppmacro.c (_cpp_create_definition): Update.
4039 * cppmain.c (struct printer): Constify map.
4040 (maybe_print_line): Similarly.
4041 (print_line): Similarly. Deduce flags 1 and 2 here.
4042 (cb_file_change): Update.
4043 * line-map.c (free_line_maps): Warn regardless.
4044 (add_line_map): Return pointer to const. When passed NULL to_file
4045 with LC_LEAVE, use the obvious values for the return point so the
4046 caller doesn't have to figure them out.
4047 (lookup_line): Return pointer to const.
4048 (print_containing_files): Take pointer to const.
4049 * line-map.h (struct line_map): New members reason, sysp.
4050 (add_line_map): Return pointer to const.
4051 (lookup_line): Similarly.
4052 (print_containing_files): Take pointer to const.
4054 2001-08-10 Roman Zippel <zippel@linux-m68k.org>
4055 Richard Henderson <rth@redhat.com>
4057 * regmove.c (regmove_optimize): Avoid setting a register twice in
4060 2001-08-10 Richard Henderson <rth@redhat.com>
4062 * doc/extend.texi (Arrays and pointers implementation): Document
4063 behavior of pointer/integer conversion.
4065 2001-08-10 Ulrich Weigand <uweigand@de.ibm.com>
4067 * glimits.h (__LONG_MAX__): Add s390x as 64-bit architecture.
4069 2001-08-10 Richard Henderson <rth@redhat.com>
4071 * doc/extend.texi (C Implementation): New chapter.
4072 * doc/gcc.texi (Top): Link it in.
4074 2001-08-10 Andrew Cagney <ac131313@redhat.com>
4076 * doc/install.texi (Specific): Fix CVS merge botch.
4078 2001-08-10 Richard Henderson <rth@redhat.com>
4080 * config/m68k/m68k.c (m68k_svr3_asm_out_constructor): Protect with
4081 ifdef CTOR_LIST_BEGIN instead of INIT_SECTION_ASM_OP.
4083 2001-08-10 Zack Weinberg <zackw@stanford.edu>
4085 * calls.c, function.c: Always define PREFERRED_STACK_BOUNDARY
4086 if not already defined. Remove all #ifdefs on STACK_BOUNDARY;
4087 this macro is now required.
4089 * cselib.c (cselib_process_insn), flow.c (propagate_block),
4090 loop.c (find_and_verify_loops), reload.c (reload): Check
4091 for rtx code of CALL_INSN, not CALL, when deciding if we
4092 need to check for REG_SETJMP note.
4094 * gcse.c (compute_hash_table, compute_store_table): Update
4095 the #ifdef NON_SAVING_SETJMP code to the new REG_SETJMP
4098 * config/avr/avr.c: Fix typo.
4099 * config/convex/convex.c (expand_movstr): Use adjust_address.
4100 * config/dsp16xx/dsp16xx.c: Define dsp16xx_compare_gen
4102 * config/dsp16xx/dsp16xx.md: Correct calls to replace_equiv_address.
4103 * config/elxsi/elxsi.c: Include tree.h, expr.h, regs.h, and flags.h.
4105 * config/elxsi/elxsi.h: Don't define Rmode (typo for Pmode?)
4106 Do define STACK_BOUNDARY.
4107 * config/i370/i370.c: Include expr.h.
4108 * config/i860/sysv3.h, config/i860/sysv4.h, config/m32r/m32r.h,
4109 config/pa/som.h, config/v850/v850.h: Take in_ctors and
4110 in_dtors out of EXTRA_SECTIONS; take CTORS_SECTION_FUNCTION
4111 and DTORS_SECTION_FUNCTION out of EXTRA_SECTION_FUNCTIONS.
4112 * config/m88k/m88k.c: Include c-tree.h after expr.h.
4113 * config/pdp11/pdp11.c: Include expr.h and toplev.h.
4114 * config/romp/romp.c: Include expr.h after tree.h.
4116 (output_fpop): Use xmalloc, not oballoc.
4117 * config/we32k/we32k.c: Include expr.h.
4119 2001-08-10 Kazu Hirata <kazu@hxi.com>
4121 * config/h8300/h8300.h: Fix formatting.
4123 2001-08-08 Jason Merrill <jason_merrill@redhat.com>
4125 * c-common.h (RETURN_NULLIFIED_P): Lose.
4126 * c-semantics.c (genrtl_return_stmt): Don't check it.
4128 2001-08-10 Richard Sandiford <rsandifo@redhat.com>
4130 * config/mips/mips.c (mips_add_large_offset_to_sp): New function.
4131 (mips_annotate_frame_insn): New function.
4132 (mips_emit_frame_related_store): New function.
4133 (save_restore_insns): Don't mark instructions that set up the base
4134 registers as frame-related. Add REG_FRAME_RELATED_EXPR notes to
4135 the store instructions instead.
4136 (mips_expand_prologue): If the stack size is moved into a temporary
4137 register, do not mark that move as frame-related. Add a
4138 REG_FRAME_RELATED_EXPR note to the stack adjustment instruction.
4140 2001-08-10 Richard Sandiford <rsandifo@redhat.com>
4142 * config/mips/mips.c (save_restore_insns): Don't mark the RA's
4143 stack slot as unchanging if current_function_calls_eh_return.
4145 2001-08-10 Richard Sandiford <rsandifo@redhat.com>
4147 * config/mips/mips.md (reload_incc): Use HARD_REGNO_NREGS to
4148 access the second half of the TFmode scratch operand.
4150 2001-08-10 Anthony Green <green@redhat.com>
4152 * java/class.c (emit_register_classes): Conditionalize code on
4155 2001-08-10 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4157 * doc/install.texi (Specific, avr): Fix cross-reference to the
4158 main manual to work both for info and HTML versions.
4160 2001-08-09 John David Anglin <dave@hiauly1.hia.nrc.ca>
4162 * stmt.c (expand_null_return_1): Remove code to generate simple returns
4163 and "use_goto" argument.
4164 (expand_null_return, expand_value_return): Update all callers.
4165 * function.c (expand_function_end): Remove code to generate simple
4167 * config/vax/vax.md (epilogue): New expander for function return.
4168 * doc/md.texi (epilogue): Remove "if defined".
4170 2001-08-09 Zack Weinberg <zackw@stanford.edu>
4172 * Makefile.in: Partially revert my previous change:
4173 put -DGENERATOR_FILE back in HOST_CFLAGS, take it out
4174 of the hashtab.o and safe-ctype.o rules.
4176 2001-08-09 Richard Henderson <rth@redhat.com>
4178 * Makefile.in (MAYBE_USE_COLLECT2): Remove; purge all uses.
4179 (USE_COLLECT2): Remove duplicate definition.
4180 * config.gcc (a29k-udi, a29k-wrs-vxworks) [tm_file]: Remove a29k/udi.h.
4181 (use_collect2): Remove dead code.
4182 * configure.in (use_collect2): Remove will_use_collect2 and
4183 maybe_use_collect2; add USE_COLLECT2 to host_xm_defines and xm_defines.
4184 * configure: Rebuild.
4186 * target.h (targetm.asm_out.constructor): New.
4187 (targetm.asm_out.destructor, targetm.have_ctors_dtors): New.
4188 * target-def.h (TARGET_ASM_CONSTRUCTOR): New.
4189 (TARGET_ASM_DESTRUCTOR, TARGET_HAVE_CTORS_DTORS): New.
4190 * varasm.c (in_ctors, in_dtors): New.
4191 (assemble_constructor, assemble_destructor): Remove.
4192 (default_stabs_asm_out_destructor): New.
4193 (default_named_section_asm_out_destructor): New.
4194 (dtors_section, default_dtor_section_asm_out_destructor): New.
4195 (default_stabs_asm_out_constructor): New.
4196 (default_named_section_asm_out_constructor): New.
4197 (ctors_section, default_ctor_section_asm_out_constructor): New.
4198 * output.h: Update declarations.
4199 * c-decl.c (c_expand_body): Use target hooks instead of
4200 assemble_constructor and assemble_destructor.
4201 * profile.c (output_func_start_profiler): Likewise.
4202 * objc/objc-act.c (finish_objc): Likewise.
4203 (build_module_descriptor): Tidy. Set TREE_PUBLIC properly
4204 for the constructor.
4205 * objc/Make-lang.in (objc-act.o): Depend on TARGET_H.
4207 * crtstuff.c (CTORS_SECTION_ASM_OP): Don't define.
4208 (DTORS_SECTION_ASM_OP): Likewise.
4209 (__CTOR_LIST__): Use attribute section when possible.
4210 (__DTOR_LIST__, __CTOR_END__, __DTOR_END__): Likewise.
4212 * defaults.h (EH_FRAME_SECTION_NAME): Don't depend on
4213 ASM_OUTPUT_CONSTRUCTOR.
4215 * config/darwin.c (machopic_asm_out_constructor): New.
4216 (machopic_asm_out_destructor): New.
4217 * config/darwin-protos.h: Update declarations.
4218 * config/darwin.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
4219 (ASM_OUTPUT_DESTRUCTOR): Remove.
4220 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
4221 * config/nextstep.c (nextstep_asm_out_constructor): New.
4222 (nextstep_asm_out_destructor): New.
4223 * config/nextstep.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
4224 (ASM_OUTPUT_DESTRUCTOR): Remove.
4225 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
4226 * config/nextstep21.h: Undef TARGET_ASM_*STRUCTOR instead of
4227 ASM_OUTPUT_*STRUCTOR.
4228 * config/i386/aix386ng.h: Likewise.
4230 * config/elfos.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP): Remove.
4231 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): No ctors/dtors.
4232 (CTORS_SECTION_FUNCTION, DTORS_SECTION_FUNCTION): Remove.
4233 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
4234 * config/lynx.h: Likewise.
4235 * config/netware.h: Likewise.
4236 * config/psos.h: Likewise.
4237 * config/alpha/alpha-interix.h: Likewise.
4238 * config/alpha/elf.h: Likewise.
4239 * config/arc/arc.h: Likewise.
4240 * config/arm/aof.h: Likewise.
4241 * config/arm/coff.h: Likewise.
4242 * config/arm/elf.h: Likewise.
4243 * config/c4x/c4x.h: Likewise.
4244 * config/h8300/h8300.h: Likewise.
4245 * config/i386/cygwin.h: Likewise.
4246 * config/i386/djgpp.h: Likewise.
4247 * config/i386/i386-coff.h: Likewise.
4248 * config/i386/i386-interix.h: Likewise.
4249 * config/i386/sco5.h: Likewise.
4250 * config/i386/vsta.h: Likewise.
4251 * config/i386/win32.h: Likewise.
4252 * config/i960/i960-coff.h: Likewise.
4253 * config/ia64/sysv4.h: Likewise.
4254 * config/m68hc11/m68hc11.h: Likewise.
4255 * config/m68k/coff.h: Likewise.
4256 * config/m68k/mot3300.h: Likewise.
4257 * config/m88k/m88k.h: Likewise.
4258 * config/mcore/mcore-pe.h: Likewise.
4259 * config/mcore/mcore.h: Likewise.
4260 * config/mips/elf.h: Likewise.
4261 * config/mips/elf64.h: Likewise.
4262 * config/mips/iris6.h: Likewise.
4263 * config/pa/pa64-hpux.h: Likewise.
4264 * config/rs6000/sysv4.h: Likewise.
4265 * config/sh/sh.h: Likewise.
4266 * config/sparc/litecoff.h: Likewise.
4268 * config/svr3.h (CTORS_SECTION_ASM_OP): Remove.
4269 (CTORS_SECTION_FUNCTION, DTORS_SECTION_FUNCTION): Remove.
4270 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
4271 * config/1750a/1750a.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
4272 (ASM_OUTPUT_DESTRUCTOR): Remove.
4273 * config/a29k/a29k.c: Move include of tree.h.
4274 * config/a29k/udi.h: Delete file.
4275 * config/alpha/alpha.c (vms_asm_out_constructor): New.
4276 (vms_asm_out_destructor): New.
4277 * config/alpha/vms.h (EXTRA_SECTIONS): No ctors/dtors.
4278 (EXTRA_SECTION_FUNCTIONS): Likewise.
4279 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
4280 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
4281 * config/c4x/c4x.c: Move include of tree.h.
4282 * config/clipper/clipper.c (clix_asm_out_constructor): New.
4283 (clix_asm_out_destructor): New.
4284 * config/clipper/clix.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
4285 (ASM_OUTPUT_DESTRUCTOR): Remove.
4286 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
4287 * config/i386/aix386.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
4288 (TARGET_ASM_CONSTRUCTOR): New.
4289 * config/i386/i386.c (ix86_svr3_asm_out_constructor): New.
4290 (sco_asm_out_constructor): New.
4291 * config/i386/sco5.h (TARGET_ASM_CONSTRUCTOR): New.
4292 * config/i386/svr3gas.h: Remove stack grows up code.
4293 Remove code duplicated from i386/sysv3.h.
4294 (TARGET_ASM_CONSTRUCTOR): New.
4295 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
4296 (DTORS_SECTION_FUNCTION, CTORS_SECTION_FUNCTION): Remove.
4297 * config/i386/sysv3.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
4298 (TARGET_ASM_CONSTRUCTOR): New.
4299 * config/m68hc11/m68hc11.c (m68hc11_asm_out_constructor): New.
4300 (m68hc11_asm_out_destructor): New.
4301 * config/m68hc11/m68hc11.h (TARGET_ASM_CONSTRUCTOR): New.
4302 (TARGET_ASM_DESTRUCTOR): New.
4303 * config/m68k/auxgas.h: Don't undef ASM_OUTPUT_*STRUCTOR.
4304 * config/m68k/dpx2.h: Properly undef all the bits inherited from
4305 config/svr3.h pertaining to section manipulation.
4306 * config/m68k/dpx2g.h: Remove #if 0 code.
4307 * config/m68k/m68k.c (m68k_svr3_asm_out_constructor): New.
4308 * config/m68k/tower-as.h (ASM_OUTPUT_SOURCE_LINE): Fix typo.
4309 (ASM_OUTPUT_CONSTRUCTOR): Remove.
4310 (TARGET_ASM_CONSTRUCTOR): New.
4311 * config/m88k/m88k.c (m88k_layout_frame): Don't use assign_stack_local.
4312 (m88k_svr3_asm_out_constructor): New.
4313 (m88k_svr3_asm_out_destructor): New.
4314 * config/m88k/sysv3.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
4315 (ASM_OUTPUT_DESTRUCTOR): Remove.
4316 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
4317 * config/mips/mips.h: Remove #if 0 ASM_OUTPUT_*STRUCTOR code.
4318 * config/rs6000/aix.h: Likewise.
4319 * config/mips/rtems64.h: Don't undef removed constructor related bits.
4320 * config/mips/vxworks.h: Likewise.
4321 * config/rs6000/lynx.h: Likewise.
4322 * config/sh/elf.h: Likewise.
4323 * config/rs6000/sysv4.h (CTORS_SECTION_ASM_OP): New.
4324 (DTORS_SECTION_ASM_OP): New.
4325 * config/sparc/linux64.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
4326 (ASM_OUTPUT_DESTRUCTOR): Remove.
4327 * config/sparc/sol2-sld-64.h: Likewise.
4328 * config/vax/vax.c (vms_asm_out_constructor): New.
4329 (vms_asm_out_destructor): New.
4330 * config/vax/vms.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
4331 (ASM_OUTPUT_DESTRUCTOR): Remove.
4332 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
4334 * doc/tm.texi (@node Initialization): Update.
4336 2001-08-09 Richard Henderson <rth@redhat.com>
4338 * config/alpha/crtbegin.asm (__JCR_LIST__): New.
4339 (__do_global_dtors_aux): Use gp-relative static data to avoid
4340 one dynamic relocation.
4341 (__do_frame_setup): Register Java classes.
4342 * config/alpha/crtend.asm (__JCR_END__): New.
4344 2001-08-09 Zack Weinberg <zackw@stanford.edu>
4346 * Makefile.in (HOST_CFLAGS): Take out -DGENERATOR_FILE.
4347 (CONFIG_H, TCONFIG_H, TM_P_H): Update.
4348 (GEN, STAGESTUFF): Add new files.
4349 (insn-constants.h, s-constants, tm-preds.h, s-preds,
4350 genconstants, genpreds, genconstants.o, genpreds.o): New rules.
4351 (hashtab.o, safe-ctype.o): Add -DGENERATOR_FILE.
4352 * mkconfig.sh: Include tm-preds.h in tm_p.h; insn-constants.h
4353 as well as insn-codes.h and insn-flags.h in config.h; and no
4354 extra headers in tconfig.h and hconfig.h.
4356 * gencodes.c: Eliminate code to generate predicate declarations
4357 or #defines for md-file constants.
4358 * genconstants.c, genpreds.c: New files.
4360 * i386.md: Re-order guard expressions such that TARGET_64BIT
4361 comes first, when this permits better optimization. Add
4362 TARGET_64BIT to more x86-64 patterns. Add comment explaining
4363 why this is desirable.
4365 2001-08-09 Jakub Jelinek <jakub@redhat.com>
4367 * config/ia64/fde-glibc.c: Require glibc 2.2.4+ headers.
4368 (find_fde_for_dso): Remove.
4369 (_Unwind_IteratePhdrCallback): New.
4370 (_Unwind_FindTableEntry): Use dl_iterate_phdr.
4371 * config/ia64/crtbegin.asm (__ia64_app_header): Remove.
4373 Thu Aug 9 11:30:20 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4375 * expr.c (emit_single_push_insn): Only exists ifdef PUSH_ROUNDING.
4376 (move_by_pieces_1): If would call it, abort if no PUSH_ROUNDING.
4378 2001-08-09 Graham Stott <grahams@redhat.com>
4380 * sched-vis.c (MAX_VISUAL_NO_UNIT): Define.
4381 (vis_no_unit): Use it.
4382 (visualize_no_unit): Add the insn only if room exists.
4384 2001-08-09 Graham Stott <grahams@redhat.com>
4386 * predict.c (estimate_probability): Replace magic numbers with
4387 appropriate enumeration.
4389 2001-08-09 Graham Stott <grahams@redhat.com>
4391 * cppexp.c (EXTRACT_PRIO): Uppercase and parenthsize macro
4393 (EXTRACT_FLAGS): Likewise.
4395 2001-08-09 Aldy Hernandez <aldyh@redhat.com>
4397 * config/mips/mips.c (mips_legitimate_address_p): Check for
4398 CONST_INT in last patch.
4400 2001-08-08 Anthony Green <green@redhat.com>
4402 * java/class.c (emit_register_classes): Use assemble_jcr if
4403 possible. Keep the original mechanism as a fallback.
4404 * defaults.h (JCR_SECTION_NAME): Define if we have named section
4405 and weak symbol support.
4406 * crtstuff.c (__JCR_LIST__): Define.
4407 (__JCR_END__): Define.
4408 (_Jv_RegiserClasses): Define weak symbol if possible.
4409 (__do_global_ctors_aux): Register classes for ELF targets with
4410 weak symbol support.
4412 2001-08-08 Kazu Hirata <kazu@hxi.com>
4414 * dbxout.c: Fix comment formatting.
4415 * dependence.c: Likewise.
4417 * diagnostic.c: Likewise.
4418 * dominance.c: Likewise.
4419 * doprint.c: Likewise.
4420 * dwarf2out.c: Likewise.
4421 * dwarfout.c: Likewise.
4422 * emit-rtl.c: Likewise.
4423 * except.c: Likewise.
4424 * explow.c: Likewise.
4425 * expmed.c: Likewise.
4428 * fold-const.c: Likewise.
4429 * function.c: Likewise.
4431 2001-08-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4433 * global.c (retry_global_alloc): Avoid shadowing allocno.
4435 2001-08-08 Mark Mitchell <mark@codesourcery.com>
4437 * except.c (remove_fixup_regions): Fix typo.
4439 2001-08-08 Jan van Male <jan.vanmale@fenk.wau.nl>
4441 * emit-rtl.c (adjust_address, adjust_address_nv): Cast offset to
4442 unsigned HOST_WIDE_INT to avoid warning.
4443 * final.c (final): Cast INSN_UID to unsigned to avoid warning.
4444 * flow.c (set_block_for_new_insns): Likewise.
4446 Wed Aug 8 21:08:14 CEST 2001 Jan Hubicka <jh@suse.cz>
4448 * sibcall.c (return_value_pseudo): New static variable.
4449 (skip_copy_to_return_value): Handle return_value_pseudo.
4450 (call_ends_block_p): Ensure that return_value_pseudo is set.
4451 (optimize_sibling_and_tail_recursive_call): Discover the
4452 load of pseudo return value in alternate exit block.
4454 Wed Aug 8 21:06:43 CEST 2001 Jan Hubicka <jh@suse.cz>
4456 * calls.c (ECF_ALWAYS_RETURN): New constant.
4457 (emit_call_1): Add REG_ALWAYS_RETURN note if needed.
4458 (expand_call): Use LCF_ALWAYS_RETURN for __bb_fork_func.
4459 (emit_library_call_value_1): Handle LCT_ALWAYS_RETRUN.
4460 * flow.c (need_fake_edge_p): Handle REG_ALWAYS_RETURN.
4461 * rtl.c (reg_note_name): New name.
4462 * rtl.h (enum reg_note): Add REG_ALWAYS_RETURN.
4464 2001-08-07 Aldy Hernandez <aldyh@redhat.com>
4466 * config/mips/mips.c (mips_legitimate_address_p): Limit "la" addresses.
4468 2001-08-08 Jason Merrill <jason_merrill@redhat.com>
4470 * alias.c (get_alias_set): Return a previously calculated
4471 alias set for a VAR_DECL.
4472 * function.c (gen_mem_addressof): Calculate the alias set before
4475 Wed Aug 8 18:44:37 CEST 2001 Jan Hubicka <jh@suse.cz>
4477 * predict.def: Set hitrates according our experimental run.
4479 Wed Aug 8 18:01:58 CEST 2001 Jan Hubicka <jh@suse.cz>
4481 * i386.h (HARD_REGNO_RENAME_OK): New macro.
4483 2001-08-08 H.J. Lu <hjl@gnu.org>
4485 * config/mips/mips.c (mips_unique_section): New. Copied from
4488 * config/mips/mips-protos.h (mips_unique_section): New
4491 * config/mips/elf.h (UNIQUE_SECTION): Use mips_unique_section.
4493 * config/mips/little.h: New. Generic little endian mips
4494 targets. Only mips*-*-linux* is converted to use it so far.
4496 * config/mips/linux.h: Include "gofast.h" and "mips/mips.h".
4497 (WCHAR_TYPE): Defined
4498 (WCHAR_TYPE_SIZE): Likewise.
4499 (INIT_SUBTARGET_OPTABS): Likewise.
4500 (BSS_SECTION_ASM_OP): Likewise.
4501 (SBSS_SECTION_ASM_OP): Likewise.
4502 (ASM_OUTPUT_ALIGNED_BSS): Likewise.
4503 (ASM_DECLARE_OBJECT_NAME): Likewise.
4504 (UNIQUE_SECTION): Likewise.
4505 (EXTRA_SECTIONS): Likewise.
4506 (ASM_OUTPUT_CONSTRUCTOR): Likewise.
4507 (ASM_OUTPUT_DESTRUCTOR): Likewise.
4508 (ASM_OUTPUT_DEF): Likewise.
4509 (HANDLE_SYSV_PRAGMA): Removed.
4510 (NO_IMPLICIT_EXTERN_C): Likewise.
4511 (TARGET_MEM_FUNCTIONS): Likewise.
4512 (STARTFILE_SPEC): Likewise.
4513 (ENDFILE_SPEC): Likewise.
4514 (LIB_SPEC): Likewise.
4515 (INVOKE__main): Likewise.
4516 (CTOR_LIST_BEGIN): Likewise.
4517 (CTOR_LIST_END): Likewise.
4518 (DTOR_LIST_BEGIN): Likewise.
4519 (DTOR_LIST_END): Likewise.
4520 (SET_ASM_OP): Likewise.
4521 (ASM_OUTPUT_SOURCE_LINE): Likewise.
4522 (ASM_OUTPUT_DEF): Likewise.
4523 (ASM_OUTPUT_IDENT): Likewise.
4525 * config/mips/mips.h (ASM_SPEC): Undefine before define.
4526 (CPLUSPLUS_CPP_SPEC): Likewise.
4527 (ASM_APP_ON) Redefine only if not defined.
4528 (ASM_APP_OFF): Likewise.
4529 (ASM_OUTPUT_SOURCE_LINE): Likewise.
4530 (ASM_OUTPUT_IDENT): Likewise.
4532 * config.gcc: Update tm_file for Linux/mips.
4534 2001-08-08 Bernd Schmidt <bernds@redhat.com>
4536 * cselib.c (cselib_record_sets): If insn is predicated, turn
4537 sources into IF_THEN_ELSEs.
4539 * config/ia64/ia64.md (cond_opsi2_internal, cond_opsi2_internal_b):
4540 Turn into define_insn_and_split.
4542 * sched-deps.c: Include "cselib.h".
4543 (add_insn_mem_dependence, sched_analyze_1, sched_analyze_2):
4544 Use cselib to turn memory addresses into VALUEs.
4545 (sched_analyze): Call cselib_init/cselib_finish if necessary.
4546 * sched-int.h (struct sched_info): New member USE_CSELIB.
4547 * sched-ebb.c (ebb_sched_info): Initialize it.
4548 * sched-rgn.c (rgn_sched_info): Likewise.
4549 * Makefile.in (sched-deps.o): Update dependencies.
4551 * cselib.h (cselib_subst_to_values): Declare.
4552 * cselib.c (cselib_subst_to_values): No longer static. Allow MEMs
4553 that have no value and autoincs to be handled by generating a new
4556 2001-08-08 Graham Stott <grahams@redhat.com>
4558 * final.c (shorten_branches): Update the INSN_ADDRESSES of insns
4559 within fixed length SEQUENCE.
4561 2001-08-08 Graham Stott <grahams@redhat.com>
4563 * diagnostic.h (diagnostic_format_decoder): Parenthesize macro parameter.
4564 (diagnostic_prefixing_rule): Likewise.
4565 (diagnostic_line_cutoff): Likewise.
4566 (diagnostic_kind_count): Likewise.
4568 2001-08-08 Graham Stott <grahams@redhat.com>
4570 * alias.c (find_base_decl): Delete redundent assignment.
4572 2001-08-08 Graham Stott <grahams@redhat.com>
4574 * dependence.c (INDEX_LIMIT_CHECK): Uppercase macro parameter.
4575 (abs): Uppercase and paranthesize macro parameter.
4576 (MEM_DEPENDENCY): Add whitespace.
4578 2001-08-08 Graham Stott <grahams@redhat.com>
4580 * config/mips/mips.c (mips_legitimate_address_p): Fix enable checking
4581 failure check for CONST_INT
4583 2001-08-08 Graham Stott <grahams@redhat.com>
4585 * flow.c (back_edge_of_syntactic_loop_p): Add whitespace.
4586 (libcall_dead_p): Likewise.
4588 (mark_used_regs): Constify fmt.
4589 (find_use_as_address): Likewise.
4591 2001-08-08 Graham Stott <grahams@redhat.com>
4593 * c-typeck.c (RESTORE_SPELLING_DEPTH): Uppercase and parenthesize macro
4596 2001-08-08 Graham Stott <grahams@redhat.com>
4598 * combine.c (combine_simplify_rtx): Update comment and
4599 remove erroneous test.
4601 2001-08-07 Neil Booth <neil@daikokuya.demon.co.uk>
4603 * cppinit.c (cpp_finish): Pop the final buffer without comment.
4604 * cpplex.c (_cpp_lex_token): Don't pop the final buffer; and
4605 take care to avoid multiple no-newline at EOF warnings in that
4608 Tue Aug 7 22:18:06 CEST 2001 Jan Hubicka <jh@suse.cz>
4610 * calls.c (expand_call): Do not emit INSN_SETJMP note.
4611 (emit_library_call_value_1): Likewise.
4612 (emit_call_1): Emit REG_SETJMP note.
4613 * cse.c (cse_end_of_basic_block): Use REG_SETJMP instead
4615 * cselib.c (cselib_process_insn): Likewise.
4616 * flow.c (propagate_block): Likewise.
4617 * loop.c (find_and_verify_loops): Likewise.
4618 * reload.c (find_equiv_regs): Likewise.
4619 * reload1.c (reload): Likewise.
4620 * resource.c (mark_referenced_resources,
4621 mark_set_resources): Likewise.
4622 * sched-deps (sched_analyze_insn, sched_analyze): Likewise.
4623 * final.c (final_scan_insn): Remove NOTE_INSN_SETJMP.
4624 * haifa-sched.c (unlink_other_notes): Likewise.
4625 (reemit_notes): Likewise.
4626 * sched-ebb.c (sched_ebb): Likewise.
4627 * sched-rgc.c (sched_region): Likewise.
4628 * rtl.c (note_insn_name): Likewise.
4629 (reg_note_name): Add REG_SETJMP
4630 * rtl.h (reg_note): Add REG_SETJMP.
4631 (insn_note): Remove NOTE_INSN_SETJMP.
4633 * profile.c (branch_prob): Add fake edges for setjmp.
4635 2001-08-07 Daniel Jacobowitz <drow@mvista.com>
4637 * config.gcc: Quote target_cpu_default2 correctly for
4638 powerpc*-*-* targets.
4640 2001-08-07 Neil Booth <neil@daikokuya.demon.co.uk>
4642 * cpplib.h, line-map.h: Update comments.
4643 * cppmain.c (printer_init): Move inline.
4644 (maybe_print_line, print_line): Take a map pointer.
4645 (cb_ident, cb_define, cb_undef, cb_include, cb_def_pragma): Update.
4646 (cb_file_change): Don't use prior value of print.map.
4648 2001-08-07 David Edelsohn <edelsohn@gnu.org>
4650 * doc/install.texi: Document fine-grained multilib configuration.
4652 Tue Aug 7 16:52:54 CEST 2001 Jan Hubicka <jh@suse.cz>
4654 * rtlanal.c (find_first_parameter_load): Call note_stores
4655 only on the instructions.
4657 Tue Aug 7 14:56:16 CEST 2001 Jan Hubicka <jh@suse.cz>
4659 * alias.c (nonlocal_mentioned_p):
4660 Rename CONST_CALL_P to CONST_OR_PURE_CALL_P
4661 * calls.c (emit_call_1): Likewise.
4662 * cse.c (cse_insn, invalidate_skipped_block): Likewise.
4663 * cselib.c (cselib_process_insn): Likewise.
4664 * df.c (df_insns_modify): Likewise.
4665 * flow.c (need_fake_edge_p): Likewise.
4666 (propagate_one_insn): Likewise.
4667 * haifa-sched.c (reemit_notes): Likewise.
4668 * integrate.c (copy_insn_list): Likewise.
4669 * jump.c (delete_prior_computation): Likewise.
4670 * local-alloc.c (validate_equiv_mem): Likewise.
4671 * loop.c (scan_loop): Likewise.
4672 * predict.c (estimate_probability): Likewise.
4673 * reload.c (reload): Likewise.
4674 * sched-deps (sched_analyze): Likewise.
4675 * rtl.h (CONST_CALL_P): rename to CONST_OR_PURE_CALL_P.
4676 * gcse.c (compute_hash_table): Likewise.
4677 (mark_call): Likewise.
4678 (store_killed_in_insn): Likewise.
4680 2001-08-07 Jason Merrill <jason_merrill@redhat.com>
4682 * c-semantics.c (make_rtl_for_local_static): Use DECL_RTL_SET_P.
4684 2001-08-06 Richard Henderson <rth@redhat.com>
4686 * varasm.c (assemble_gc_entry): Remove.
4687 * output.h: Likewise.
4689 2001-08-06 Richard Henderson <rth@redhat.com>
4691 * varasm.c (assemble_constructor): Take a symbol_ref and a
4692 priority instead of a bare string. Move priority handling
4693 here from cp/decl2.c.
4694 * output.h: Update decls.
4696 * c-decl.c (c_expand_body): Update calls to assemble_constructor
4697 and assemble_destructor.
4698 * profile.c (output_func_start_profiler): Likewise.
4699 * objc/objc-act.c (finish_objc): Likewise.
4700 (build_module_descriptor): Return the symbol not the symbol name.
4702 2001-08-06 David Edelsohn <edelsohn@gnu.org>
4704 * config/rs6000/darwin.h (DOUBLE_INT_ASM_OP): Add whitespace.
4705 * config/rs6000/linux64.h (RS6000_MCOUNT): Define.
4706 ({SAVE,RESTORE}_FP_{PREFFIX,SUFFIX}): Define.
4707 * config/rs6000/rs6000.h (ASM_OUTPUT_DOUBLE_INT): Remove whitespace.
4708 * config/rs6000/sysv4.h (DOUBLE_INT_ASM_OP): Add whitespace.
4709 * config/rs6000/xcoff.h (DOUBLE_INT_ASM_OP): Add whitespace.
4711 2001-08-06 Neil Booth <neil@daikokuya.demon.co.uk>
4713 * cpperror.c (print_containing_files): Moved to line-map.c.
4714 (print_location): line-map.c handles re-listing or otherwise.
4715 * cpphash.h (struct lexer_state): Remove next_bol.
4716 (struct cpp_buffer): Remove include_stack_listed.
4717 * cpplib.c (do_line, cpp_push_buffer, _cpp_pop_buffer):
4718 Remove faked buffer handling.
4719 (_cpp_do_file_change): Tweak.
4720 * cpplib.h (enum cpp_buffer_type): Remove BUF_FAKE.
4721 * cppmain.c (struct printer): Remove filename.
4722 (print_line, cb_file_change): Update accordingly.
4723 * line-map.c: Include intl.h.
4724 (init_line_maps): Initialize last_listed.
4725 (free_line_maps): Sanity check, warn if ENABLED_CHECKING.
4726 (add_line_map): Sanity check inputs, warn if ENABLED_CHECKING.
4727 (print_containing_files): New.
4728 * line-map.h (struct line_maps): New member last_listed.
4729 (print_containing_files, INCLUDED_FROM): New.
4730 * Makefile.in: Update.
4731 * po/POTFILES.in: Add line-map.c.
4733 2001-08-06 Richard Henderson <rth@redhat.com>
4735 * except.c (convert_from_eh_region_ranges_1): Never mark
4736 USE or CLOBBER insns as throwing.
4738 * expr.c (store_constructor): Don't clobber memory targets.
4740 2001-08-06 Andreas Jaeger <aj@suse.de>
4742 * profile.c (branch_prob): Remove unused variable insn.
4744 * Makefile.in (local-alloc.o): Add dependency on except.h.
4746 * local-alloc.c: Include except.h for can_throw_internal prototype.
4748 2001-08-06 Richard Henderson <rth@redhat.com>
4750 * config/i386/i386.h (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
4751 * function.c (expand_main_function): Implement it.
4752 * doc/tm.texi: Document it.
4754 2001-08-06 Stan Shebs <shebs@apple.com>
4756 * doc/install.texi: Document powerpc-*-darwin* details.
4758 2001-08-06 Daniel Berlin <dan@cgsoftware.com>
4760 * config/rs6000/aix.h (CPP_CPU_SPEC): Move back to rs6000.h
4761 (ASM_CPU_SPEC): Move back to rs6000.h
4762 #undef CPP_DEFAULT_SPEC and ASM_DEFAULT_SPEC before redefining them.
4764 * config/rs6000/darwin.h (DOUBLE_INT_ASM_OP): New macro.
4766 * config/rs6000/linux.h: Remove vtable thunks stuff we accidently
4769 * config/rs6000/linux64.h: Ditto.
4771 * config/rs6000/rs6000.h: Move CPP_CPU_SPEC and ASM_CPU_SPEC back
4772 to here. Define default ASM_DEFAULT_SPEC and CPP_DEFAULT SPEC to
4775 Remove accidently readded definitions of FUNCTION_PROLOGUE,
4776 FUNCTION_EPILOGUE, ASM_OPEN_PAREN, ASM_CLOSE_PAREN
4778 * config/rs6000/sysv4.h: Move CPP_CPU_SPEC and ASM_CPU_SPEC back
4781 2001-08-05 Richard Henderson <rth@redhat.com>
4783 * local-alloc.c (update_equiv_regs): Do not move insns that
4786 2001-08-05 Jan Hubicka <jh@suse.cz>
4788 * Makefile.in (reload1.o): Add dedendancy on except.h
4789 * basic-block.h (purge_all_dead_edges, purge_dead_edges): Update
4791 * flow.c (purge_dead_edges, purge_all_dead_edges): Return bool
4792 indicating wehther edges has been cleaned up.
4793 * reload1.c: Inlucde except.h
4794 (fixup_abnormal_edges): Accept deleted insns.
4795 * toplev.c (rest_of_compilation): Purge dead edges unconditionally
4798 2001-08-06 Neil Booth <neil@daikokuya.demon.co.uk>
4800 * cpplib.c (do_line): Correct line number after pop_buffer.
4802 2001-08-05 Neil Booth <neil@daikokuya.demon.co.uk>
4804 PR preprocessor/3824
4805 * line-map.c: Update comments.
4806 * line-map.h: Update comments.
4807 * tradcif.y: Don't consider large numbers unsigned.
4809 2001-08-05 Neil Booth <neil@daikokuya.demon.co.uk>
4811 PR preprocessor/3081
4812 * c-lex.c (map): New.
4813 (cb_file_change): Update map and use it.
4814 (cb_def_pragma, cb_define, cb_undef): Use map and line.
4815 (c_lex): Update to use map.
4816 * cpperror.c (print_location): Move to using logical line numbers.
4817 * cppfiles.c (stack_include_file): Update for new _cpp_do_file_change.
4818 (cpp_make_system_header): Similarly.
4819 (_cpp_execute_include): Stop line numbering hacks. Store the
4820 line we will return to.
4821 * cpphash.h (CPP_BUF_LINE): Remove.
4822 (struct cpp_buffer): Remove lineno and pseudo_newlines.
4823 Add map and return_to_line.
4824 (_cpp_do_file_change): Update.
4825 * cppinit.c (cpp_start_read): Update line kludge.
4826 * cpplex.c (handle_newline): Don't update lineno and pseudo_newlines.
4827 (trigraph_ok): Use logical line numbers for diagnostics.
4828 (skip_block_comment): Likewise.
4829 (skip_whitespace): Likewise.
4830 (skip_line_comment): Use pfile->line instead.
4831 (_cpp_lex_token): Update to use logical line numbering exclusively.
4832 Handle BOL locally. Accept new lines in directives, but keep
4833 pfile->line decremented. Diagnostics use logical lines. Update
4835 * cpplib.c (SEEN_EOL): New.
4836 (skip_rest_of_line, check_eol): Use it.
4837 (end_directive): Increase line number when accepting the newline
4838 at the end of a directive.
4839 (run_directive): Simplify.
4840 (do_line): Bad LC_LEAVEs become LC_RENAMEs. Update.
4841 (_cpp_do_file_change): Update to take buffer line number as an
4842 argument, and store the current map in the cpp_reader. Remove
4843 line number kludges.
4844 (_cpp_do__Pragma): Restore output position after a _Pragma.
4845 (cpp_push_buffer): Don't set output line or lineno.
4846 (_cpp_pop_buffer): Transfer more info from a faked buffer.
4847 Remove line kludge. Set output_line.
4848 * cppmacro.c (builtin_macro): Update handling of __LINE__.
4849 (parse_arg): Use logical lines.
4850 (save_lookahead_token): Save EOFs too now.
4851 * cppmain.c (struct printer): Fix comments.
4852 (printer_init): Simplify, let caller do errors.
4853 (scan_translation_unit, check_multiline_token, dump_macro): Update.
4854 (maybe_print_line): Simplify.
4855 (print_line): Don't print a linemarker if -P.
4856 (cb_define, cb_undef, cb_def_pragma, cb_ident, cb_include): Update.
4857 (cb_file_change): Simplify.
4858 * line-map.h (LAST_SOURCE_LINE): Fix.
4859 (CURRENT_LINE_MAP): New.
4861 2001-08-05 Bernd Schmidt <bernds@redhat.com>
4863 * doloop.c (doloop_modify_runtime): Properly compute number of
4864 iterations if loop was unrolled.
4866 * alias.c (rtx_equal_for_memref_p): VALUEs are only identical
4867 if their CSELIB_VAL_PTRs are.
4869 * config/ia64/ia64.c (struct spill_fill_data): New member prev_insn.
4870 (setup_spill_pointers): Initialize it.
4871 (spill_restore_mem): Set it.
4872 (do_spill, do_restore): Use it to add REG_INC note.
4873 * config/ia64/ia64.md (movti_internal): Add REG_INC notes as needed.
4875 * config/ia64/ia64.c (ia64_sched_reorder): Defer scheduling of
4876 asms if other insns are available.
4878 * config/ia64/ia64.c (condop_operator): New predicate.
4879 * config/ia64/ia64.h (PREDICATE_CODES): Add it.
4880 * config/ia64/ia64.md (cond_opsi2_internal and splitters): New
4883 * expr.c (expand_expr, case COND_EXPR): Prefer working with a
4884 temporary register than directly using a MEM.
4886 2001-08-04 Hans-Peter Nilsson <hp@bitrange.com>
4888 * config/sh/sh.c (sh_asm_named_section): Fix typo in align
4889 parameter in last change.
4891 2001-08-04 Zack Weinberg <zackw@panix.com>
4893 * sparc.md: Don't use #if inside C test expression.
4895 2001-08-04 Richard Henderson <rth@redhat.com>
4897 * i386.c: Revert 07-30 ix86_output_main_function_alignment_hack.
4899 2001-08-04 Neil Booth <neil@daikokuya.demon.co.uk>
4901 * cpphash.h (struct cpp_reader): New member directive_line.
4902 * cpplib.h (struct cpp_callbacks): Update prototypes of callbacks.
4903 * cpplib.c (do_define, do_undef, do_ident, do_include_common,
4904 do_pragma): Pass line to callbacks.
4905 (start_directive): Record line of directive.
4906 * cppmain.c (cb_ident, cb_define, cb_undef, cb_def_pragma,
4907 cb_include): Similarly.
4908 * c-lex.c (cb_ident, cb_define, cb_undef, cb_def_pragma):
4911 2001-08-04 Hans-Peter Nilsson <hp@bitrange.com>
4913 * config/d30v/d30v.h: Fix typo in start of UNIQUE_SECTION
4916 Sat Aug 4 13:51:36 CEST 2001 Jan Hubicka <jh@suse.cz>
4918 * loop.c (try_copy_prop); Kill invalidated REG_EQUAL notes.
4920 * reload1.c (fixup_abnormal_edges): New static function.
4923 * flow.c (need_fake_edge_p): New function.
4924 (flow_call_edges_add): Fix handling of noreturn and sibbling calls;
4925 avoid call insn to be very last insn in the insn stream.
4927 * profile.c (branch_prob): Call flow_call_edges_add instead of
4928 doing that by hand; cleanup cfg to re-merge basic blocks once
4931 2001-08-04 Neil Booth <neil@cat.daikokuya.demon.co.uk>
4933 * Makefile.in (CPPLIB_H): New, so that dependencies on cpplib.h
4934 are also on line-map.h.
4935 * cppfiles.c (stack_include_file): Update.
4936 * cpphash.h (struct cpp_buffer): New member return_at_eof.
4937 (_cpp_pop_buffer): New.
4938 * cppinit.c (cpp_destroy, cpp_finish): Update.
4939 (do_includes): Mark each buffer to return at EOF.
4940 * cpplex.c (_cpp_lex_token): Pop buffers at EOF. Continue or
4941 return as requested.
4942 * cpplib.c (run_directive, do_line, cpp_push_buffer): Update.
4943 (cpp_pop_buffer): Rename _cpp_pop_buffer. Stop skipping.
4944 * cpplib.h (cpp_pop_buffer): Remove.
4945 (cpp_scan_buffer_nooutput): Rename cpp_scan_nooutput.
4946 * cppmacro.c (cpp_scan_buffer_nooutput): Similarly. No need to pop
4948 * cppmain.c (scan_buffer): Rename scan_translation_unit. No need
4950 (do_preprocessing): Update.
4951 * fix-header.c (read_scan_file): Update. No need to pop buffers.
4952 * c-parse.in (_yylex): Similarly.
4953 * scan-decls.c (scan_decls): Similarly.
4954 * line-map.h: Update comments.
4956 * objc/Make-lang.in (objc-act.o): Update dependencies.
4958 2001-08-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4960 * config/m68hc11/m68hc11.md ("cmphi_1", "cmpqi_1"): Allow memory
4961 and soft register for operand 0.
4962 ("cmphi_z_used", "cmpqi_z_used"): Allow memory for operand 0.
4964 2001-08-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4966 * config/m68hc11/m68hc11.md ("bitcmpqi"): Allow memory and soft
4967 register for operand 0.
4968 ("bitcmpqi_z_used"): Allow memory for operand 0.
4969 (split "bitcmpqi"): New split to handle address reg as operand 1.
4971 2001-08-04 Andreas Jaeger <aj@suse.de>
4973 * gcse.c: Revert Daniel's last patch.
4975 2001-08-03 Zack Weinberg <zackw@stanford.edu>
4977 * sparc-protos.h: Add prototypes for fp_zero_operand and
4979 * sh-protos.h: Add prototype for fpul_operand.
4981 2001-08-04 Hans-Peter Nilsson <hp@bitrange.com>
4983 * doc/extend.texi (Other Builtins): Fix typo in last change.
4985 2001-08-03 Richard Henderson <rth@redhat.com>
4987 * target.h (gcc_target): Add asm_out.named_section,
4988 section_type_flags, have_named_sections.
4989 * target-def.h (TARGET_ASM_NAMED_SECTION): New.
4990 (TARGET_HAVE_NAMED_SECTIONS): New.
4991 (TARGET_SECTION_TYPE_FLAGS): New.
4993 * Makefile.in (toplev.o): Depend on TARGET_H.
4994 (varasm.o, dbxout.o): Likewise.
4995 * c-common.c (decl_attributes): Check targetm.have_named_sections
4996 instead of ifdef ASM_OUTPUT_SECTION_NAME.
4997 * dbxout.c (dbxout_function_decl): Likewise.
4998 (dbxout_function_end): Likewise.
4999 * toplev.c (compile_file): Likewise.
5000 * varasm.c (exception_section): Likewise.
5001 * cp/decl2.c (finish_objects): Likewise.
5003 * defaults.h (EH_FRAME_SECTION): Remove.
5004 (EH_FRAME_SECTION_ASM_OP): Remove.
5005 (EH_FRAME_SECTION_NAME): New.
5006 (UNIQUE_SECTION): Don't depend on ASM_OUTPUT_SECTION_NAME.
5007 (UNIQUE_SECTION_P): Remove.
5008 * dwarf2out.c (SECTION_FORMAT): Remove.
5009 (ASM_OUTPUT_SECTION): Remove.
5010 (output_call_frame_info): Use named_section_flags.
5011 (output_comp_unit, dwarf2out_start_source_file): Likewise.
5012 (dwarf2out_end_source_file, dwarf2out_define): Likewise.
5013 (dwarf2out_undef, dwarf2out_init, dwarf2out_finish): Likewise.
5014 * varasm.c (in_eh_frame, eh_frame_section): Remove.
5015 (named_section_flags): New.
5016 (named_section): Use it and targetm.section_type_flags.
5017 (resolve_unique_section): New.
5018 (assemble_start_function): Use it.
5019 (asm_emit_uninitialised, assemble_variable): Likewise.
5020 (default_section_type_flags): New.
5021 (default_no_named_section, default_elf_asm_named_section): New.
5022 (default_coff_asm_named_section, default_pe_asm_named_section): New.
5023 * output.h: Update varasm.c decls.
5024 (SECTION_*): New flags.
5026 * crtstuff.c: Check EH_FRAME_SECTION_NAME not EH_FRAME_SECTION_ASM_OP.
5027 (__EH_FRAME_BEGIN__, __FRAME_END__): Use attribute section.
5029 * config/elfos.h (UNIQUE_SECTION_P): Remove.
5030 * config/alpha/elf.h, config/arm/linux-elf.h: Likewise.
5031 * config/arm/pe.h, config/arm/unknown-elf.h: Likewise.
5032 * config/i386/cygwin.h, config/i386/djgpp.h: Likewise.
5033 * config/i386/i386-interix.h, config/i386/win32.h: Likewise.
5034 * config/ia64/sysv4.h, config/mcore/mcore-pe.h: Likewise.
5035 * config/mips/elf.h, config/mips/elf64.h: Likewise.
5036 * config/mips/iris6gld.h, config/mips/mips.h: Likewise.
5037 * config/pa/pa64-hpux.h,
5039 * config/elfos.h (ASM_OUTPUT_SECTION_NAME): Remove.
5040 (TARGET_ASM_NAMED_SECTION): New.
5041 * config/psos.h, config/a29k/a29k.h, config/alpha/elf.h: Likewise.
5042 * config/alpha/vms.h, config/arm/coff.h: Likewise.
5043 * config/arm/conix-elf.h, config/arm/elf.h: Likewise.
5044 * config/arm/linux-elf.h, config/arm/pe.h: Likewise.
5045 * config/arm/unknown-elf.h, config/avr/avr.h: Likewise.
5046 * config/c4x/c4x.h, config/h8300/h8300.h: Likewise.
5047 * config/i386/cygwin.h, config/i386/djgpp.h: Likewise.
5048 * config/i386/i386-interix.h, config/i386/i386elf.h : Likewise.
5049 * config/i386/sco5.h, config/i386/win32.h: Likewise.
5050 * config/m68k/coff.h, config/mcore/mcore-pe.h: Likewise.
5051 * config/mcore/mcore.h, config/mips/elf.h: Likewise.
5052 * config/mips/elf64.h, config/mips/iris6.h: Likewise.
5053 * config/mips/netbsd.h, config/mips/openbsd.h: Likewise.
5054 * config/pa/pa64-hpux.h, config/rs6000/sysv4.h: Likewise.
5055 * config/rs6000/xcoff.h, config/sh/sh.h: Likewise.
5056 * config/sparc/sysv4.h: Likewise.
5058 * config/nextstep.h: Error until named sections implemented.
5060 * config/a29k/a29k.c (a29k_asm_named_section): New.
5061 * config/alpha/alpha.c (SECTION_VMS_OVERLAY): New.
5062 (vms_section_type_flags, vms_asm_named_section): New.
5063 * config/arm/arm.c (arm_elf_asm_named_section): New.
5064 * config/avr/avr.c (asm_output_section_name): Remove.
5065 * config/avr/avr-protos.h: Update.
5066 * config/c4x/c4x.c (c4x_asm_named_section): New.
5067 * config/h8300/h8300.c (h8300_asm_named_section): New.
5068 * config/i386/i386.c (sco_asm_named_section): New.
5069 * config/i386/winnt.c (SECTION_PE_SHARED): New.
5070 (i386_pe_section_type_flags): New.
5071 (i386_pe_asm_named_section): New.
5072 * config/i386/i386-protos.h: Update.
5073 * config/m68k/m68k.c (m68k_coff_asm_named_section): New.
5074 * config/mcore/mcore.c (mcore_asm_named_section): New.
5075 * config/mips/mips.c (iris6_asm_named_section): New.
5076 * config/mips/mips.h (ENCODE_SECTION_INFO): Use DECL_ONE_ONLY
5077 instead of UNIQUE_SECTION_P.
5078 * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): New.
5079 (xcoff_asm_named_section): New.
5080 * config/sh/sh.c (sh_asm_named_section): New.
5081 * config/sparc/sparc.c (sparc_elf_asm_named_section): New.
5083 * config/i386/djgpp.h (EH_FRAME_SECTION_ASM_OP): Remove.
5084 * config/i386/sco5.h (EH_FRAME_SECTION_ASM_OP*): Remove.
5085 (EH_FRAME_SECTION_NAME): New.
5086 (EXCEPTION_SECTION): New.
5087 * config/ia64/ia64.h (EH_FRAME_SECTION_ASM_OP): Remove.
5088 (DEBUG_*_SECTION): Remove.
5089 * config/m68k/rtemself.h (EH_FRAME_SECTION_ASM_OP): Remove.
5090 * config/mips/iris6.h (DEBUG_*_SECTION): Remove.
5091 (EH_FRAME_SECTION_ASM_OP): Remove.
5093 * doc/tm.texi (UNIQUE_SECTION_P): Remove.
5094 (ASM_OUTPUT_SECTION_NAME): Remove.
5095 (TARGET_ASM_NAMED_SECTION): New.
5096 (TARGET_HAVE_NAMED_SECTIONS): New.
5097 (TARGET_SECTION_TYPE_FLAGS): New.
5098 (EH_FRAME_SECTION_ASM_OP): Remove.
5099 (EH_FRAME_SECTION_NAME): New.
5101 2001-08-03 Zack Weinberg <zackw@stanford.edu>
5103 * builtins.c (fold_builtin_constant_p): Return integer_zero_node
5104 for complex expressions when cfun == 0.
5105 * doc/extend.texi: Document that __builtin_constant_p can be
5106 used in data initializers as well as functions.
5108 2001-08-03 Alexandre Oliva <aoliva@redhat.com>
5110 * config/mn10300/mn10300.h (CONDITIONAL_REGISTER_USAGE): Declare
5111 variable I locally, instead of expecting a declaration in the
5114 2001-08-03 Richard Henderson <rth@redhat.com>
5116 * except.c (collect_one_action_chain): Add an explicit cleanup
5117 action if regions surrounding a catch were encoded entirely
5118 within the call-site entry.
5120 2001-08-03 Richard Henderson <rth@redhat.com>
5122 * dbxout.c (dbxout_symbol_location): Flatten subregs first;
5123 don't take REGNO of a non-register.
5125 2001-08-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
5127 * gthr-dce.h (__GTHREAD_MUTEX_INIT_FUNCTION and
5128 __GTHREAD_MUTEX_INIT_DEFAULT): New macros for mutex initialization.
5129 (__gthread_key_delete): Remove code for __PTHREAD_LIBRARY_VERSION_1 >= 1
5130 (__gthread_mutex_init_function): New function for mutex initialization.
5132 2001-08-03 Daniel Berlin <dan@cgsoftware.com>
5134 * Makefile.in: Revert screwed up commit.
5136 2001-08-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
5138 * config/m68hc11/t-m68hc11-gas (T_CPPFLAGS): Add _ctor and _dtor.
5139 * config/m68hc11/larith.asm (_exit): Split in several sub-sections
5140 merged by linker script to get a final _exit().
5141 (__do_global_dtors): New for destructor handling in specific exit
5143 (__do_global_ctors): New for constructors in specific install section.
5144 (__map_data_section): Map data sections before running constructors.
5145 * config/m68hc11/m68hc11.h (INT_ASM_OP): Define to use .word.
5146 (CTORS_SECTION_ASM_OP): Define to put in readonly section.
5147 (DTORS_SECTION_ASM_OP): Likewise.
5148 (CTORS_SECTION_FUNCTION): Define to force a reference to
5150 (DTORS_SECTION_FUNCTION): Likewise for __do_global_dtors.
5152 2001-08-03 Daniel Berlin <dan@cgsoftware.com>
5154 * ChangeLog: Fix date on previous ChangeLog entry for GCSE.
5156 * Makefile.in: Add df.h to gcse.c dependencies.
5158 2001-08-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
5160 * varasm.c (output_constant_def_contents): Use for the length of a
5161 string constant either its TREE_STRING_LENGTH or its int_size_in_bytes
5162 depending on which is larger.
5164 2001-08-03 Daniel Berlin <dan@cgsoftware.com>
5166 * gcse.c: Include df.h for use as a dataflow analyzer.
5168 Declaration of reg_set_info: gone.
5169 New df_analyzer variable used by store motion.
5170 (reg_set_info): Deleted.
5171 (mark_mem_regs): New function, analyze regs used by a mem.
5172 (store_ops_ok): Use dataflow analyzer results to determine if
5173 necessary regs are changed in the block.
5174 (find_moveable_store): Remove check for symbol ref, we can handle
5175 much more complex expressions now.
5176 (compute_store_table): Remove most of the code, it's unnecessary
5177 now that the dataflow analyzer records the info for us.
5178 (store_killed_after): Add parameter to say whether to do the
5179 store_ops_okay test, used to speed up testing when we already know
5180 the answer, and just want to know if the store itself was killed.
5181 (build_store_vector): Largely rewritten to calculate the various
5182 vectors properly, and somewhat optimized.
5183 (store_motion): Init the df_analyzer, get REG_DEF chains.
5184 Also handle trapping expressions (since mems almost always trap)
5185 (simple_mem): Redefine what a simple mem is.
5187 2001-08-03 DJ Delorie <dj@redhat.com>
5189 * ifcvt.c (noce_get_alt_condition): Don't make an auxiliary
5190 set from a constant part of the condition.
5192 2001-08-01 Andrew Cagney <ac131313@redhat.com>
5194 * mkdeps.c (deps_add_default_target): Make local variable
5195 ``start'' a const char pointer.
5196 * dwarf2out.c (compute_section_prefix): Localize use of ``p''.
5198 2001-08-03 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5200 * doc/install.texi (Configuration): Fix markup.
5201 (Specific, i?86-*-udk): Likewise.
5202 (Specific, alpha*-dec-osf*): Warn against --with-gnu-as,
5204 Document --enable-threads and --enable-libgcj status.
5205 (Specific, mips-sgi-irix*): Canonicalize triples.
5206 (Specific, mips-sgi-irix5): Warn about problems with this config.
5207 Mention required GNU as patch.
5208 Native assembler problems are fixed.
5209 (Specific, mips-sgi-irix6): Update O32 ABI support status.
5210 Document --enable-threads and --enable-libgcj status.
5212 2001-08-02 Nick Clifton <nickc@cambridge.redhat.com>
5214 * Makefile.in, mklibgcc.in: Restore changes with fixed invocation
5217 2001-08-03 Richard Henderson <rth@redhat.com>
5219 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Don't write to
5222 2001-08-03 Richard Henderson <rth@redhat.com>
5224 * rtlanal.c (find_first_parameter_load): Stop if we
5225 reach a CODE_LABEL at BOUNDARY.
5227 2001-08-03 Richard Henderson <rth@redhat.com>
5229 * config/alpha/alpha.md (force_movdi): New insn.
5230 * config/alpha/alpha.c (alpha_expand_prologue): Use it.
5231 Tweek FRP marking of VMS prologue insns.
5232 * config/alpha/vms.h (EPILOGUE_USES): New.
5234 2001-08-02 Richard Henderson <rth@redhat.com>
5236 * Makefile.in, mklibgcc.in: Revert mkinstalldirs change.
5238 2001-08-02 Lars Brinkhoff <lars@nocrew.org>
5240 * combine.c, config.gcc, cse.c, defaults.h, real.c, reload.c,
5241 simplify-rtx.c, config/alpha/alpha.h, config/avr/avr.h,
5242 config/convex/convex.h, config/d30v/d30v.c,
5243 config/d30v/d30v.h, config/dsp16xx/dsp16xx.h,
5244 config/elxsi/elxsi.h, config/fr30/fr30.h, config/m88k/m88k.c,
5245 config/mips/mips.h, config/mn10200/mn10200.h,
5246 config/mn10300/mn10300.h, config/pdp11/pdp11.md,
5247 config/v850/v850.h, config/vax/openbsd.h,
5248 config/vax/openbsd1.h, config/vax/ultrix.h,
5249 config/vax/vax-protos.h, config/vax/vax.c, config/vax/vax.h,
5250 config/vax/vax.md, config/vax/vaxv.h, config/vax/xm-vms.h,
5251 cp/decl2.c, doc/contrib.texi, doc/cpp.texi, doc/gcc.texi,
5252 doc/install.texi, doc/invoke.texi, doc/md.texi, doc/rtl.texi,
5253 doc/tm.texi: consistently use "VAX", "VAXen", and "MicroVAX"
5254 in comments and documentation.
5256 2001-08-03 Neil Booth <neil@cat.daikokuya.demon.co.uk>
5260 * Makefile.in (line-map.o): New.
5261 (LIBCPP_OBJS, LIBCPP_DEPS): Update.
5262 * c-lex.c (cb_file_change): Update for new cpp_file_change structure.
5263 * cpperror.c (print_containing_files): Similarly.
5264 (print_location): Update. Don't output a space before _Pragma.
5265 * cppfiles.c (stack_include_file): Set to line 1 immediately.
5266 (stack_include_filee, cpp_make_system_header): Update.
5267 (_cpp_execute_include): Get logical line number right for calling
5268 as-yet-unterminated #include.
5269 * cpphash.h (struct cpp_reader): Add line_maps.
5270 (_cpp_do_file_change): Update.
5271 * cppinit.c (cpp_create_reader): Initialize line maps.
5272 (cpp_destroy): Destroy line maps.
5273 (cpp_start_read): Get logical line number right.
5274 * cpplex.c (parse_string): Only warn once for multi-line strings.
5275 Use boolean variable for null warning.
5276 * cpplib.c (_cpp_handle_directive): End the directive if it isn't
5278 (do_include_common): End the directive early.
5279 (do_line): Don't warn about out-of-range lines in preprocessed
5280 source. Update. Remove unused variables.
5281 (_cpp_do_file_change): Update for new line mapping.
5282 (pragma_cb): New typedef.
5283 (cpp_register_pragma): Stop looking ahead before calling the
5285 (do_pragma_system_header): End directive early.
5286 (cpp_get_line_maps): New.
5287 (cpp_pop_buffer): Fudge logical line. Update.
5288 * cpplib.h: Include line-map.h
5289 (enum cpp_fc_reason): Remove.
5290 (struct cpp_file_change): Update.
5291 (cpp_get_line_maps): New.
5292 * cppmain.c (struct_printer): New member map.
5293 (cb_file_change): Update for new mappings.
5294 * fix-header.c (cb_file_change): Similarly.
5296 2001-08-02 Nick Clifton <nickc@cambridge.redhat.com>
5298 * Makefile.in (libgcc.mk): Define mkinstalldirs.
5299 * mklibgcc.in: Use mkinstalldirs instead of mkdir.
5301 2001-08-02 Lars Brinkhoff <lars@nocrew.org>
5303 * config/vax/vax.c: include expr.h.
5305 2001-08-02 Nick Clifton <nickc@cambridge.redhat.com>
5307 * Makefile.in ($(srcdir)/configure): Only rebuild in
5309 ($(srcdir)/config.in): Only define in maintainer mode.
5310 ($(srcdir)/cstamp-h.in): Only define in maintainer mode.
5312 2001-08-02 David Edelsohn <edelsohn@gnu.org>
5314 * doc/install.texi (Install GCC: Binaries): Update Bull info.
5316 2001-08-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5318 * gcc.c (set_collect_gcc_options): New function, split out from
5320 Ignore elided switches.
5321 (do_spec_1): Invoke before executing command.
5322 (set_input): Export.
5323 Move declaration ...
5324 * gcc.h (set_input): ... here.
5325 * config/alpha/osf.h (ASM_FINAL_SPEC): Use %U.s to refer to input
5328 2001-08-02 Nathan Sidwell <nathan@codesourcery.com>
5331 * doc/c-tree.texi (Namespaces): Remove std & -fhonor-std
5333 * doc/invoke.texi (C++ Dialect Options): Remove -fno-honor-std.
5335 2001-08-02 Richard Sandiford <rsandifo@redhat.com>
5337 * mips.md (movdicc): Make conditional on TARGET_64BIT. Likewise
5338 for the unnamed instructions it expands to.
5340 2001-08-02 Richard Henderson <rth@redhat.com>
5342 * regclass.c (call_really_used_regs): Conditionally define.
5343 (init_reg_sets_1): Don't use it if not defined.
5344 (fix_register): Similarly, don't set it.
5346 2001-08-01 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
5348 * params.def (PARAM_MAX_INLINE_INSNS): Change default to 600.
5349 Correct comment that had been missed in the previous change.
5351 2001-08-01 Stan Shebs <shebs@apple.com>
5353 * config/darwin.c (machopic_stub_name): Try matching by name.
5354 (update_stubs): New function.
5355 (darwin_encode_section_info): Call it and update_non_lazy_ptrs
5358 2001-08-01 Richard Henderson <rth@redhat.com>
5360 * except.c (output_function_exception_table): Use assemble_align.
5361 * varasm.c (assemble_eh_label): Remove.
5362 (assemble_eh_align, assemble_eh_integer): Remove.
5364 2001-08-01 Robert Lipe <robertl@caldera.com>
5366 * dwarfout.c: Remove reference to README.DWARF.
5368 2001-08-01 Andrew MacLeod <amacleod@redhat.com>
5370 * regclass.c (call_really_used_regs): New array for registers which
5371 are actually used by a call.
5372 (init_reg_sets_1): Initialize regs_invalidated_by_call with the
5374 (fix_register): Set call_really_used too.
5375 * config/ia64/ia64.h (CALL_REALLY_USED_REGISTERS): Initialize.
5376 * doc/tm.texi (CALL_REALLY_USED_REGISTERS): Document.
5378 2001-08-01 Richard Henderson <rth@redhat.com>
5380 * read-rtl.c (read_name): Consider \r whitespace.
5382 2001-07-11 Andrew Cagney <ac131313@redhat.com>
5384 * config.gcc: Recognize powerpc-*-netbsd*.
5386 * doc/install.texi (Host/target specific installation notes for
5387 GCC): Mention powerpc-*-netbsd*.
5389 * config/rs6000/netbsd.h: New file.
5390 (STANDARD_STARTFILE_PREFIX, LINK_SHLIB_SPEC): Redefine.
5391 (LIB_DEFAULT_SPEC, STARTFILE_DEFAULT_SPEC): Redefine.
5392 (ENDFILE_DEFAULT_SPEC, LINK_START_DEFAULT_SPEC): Redefine.
5393 (LINK_OS_DEFAULT_SPEC, CPP_OS_DEFAULT_SPEC): Redefine.
5394 (TARGET_VERSION): Redefine.
5396 * config/rs6000/t-ppccomm (MULTILIB_MATCHES_SYSV): Recognize
5397 mcall-netbsd as a match for mcall-sysv.
5398 (EXTRA_MULTILIB_PARTS): Add ncrti$(objext) and ncrtn$(objext).
5399 (ncrti.S, ncrtn.S): New targets.
5400 ($(T)ncrti$(objext), $(T)ncrtn$(objext)): New targets.
5402 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Recognize
5403 "netbsd' as a V4 ABI.
5404 (ASM_SPEC): Check for -mcall-netbsd.
5405 (CC1_SPEC, CC1_SPEC, LINK_START_SPEC, LINK_OS_SPEC): Ditto.
5406 (CPP_ENDIAN_SPEC, CPP_SPEC, STARTFILE_SPEC): Ditto.
5407 (LIB_SPEC, ENDFILE_SPEC): Ditto.
5408 (LIB_NETBSD_SPEC, STARTFILE_NETBSD_SPEC): Define.
5409 (ENDFILE_NETBSD_SPEC, LINK_START_NETBSD_SPEC): Define.
5410 (LINK_OS_NETBSD_SPEC, CPP_OS_NETBSD_SPEC): Define.
5411 (SUBTARGET_EXTRA_SPECS): Add NetBSD specs.
5413 * doc/invoke.texi (Option Summary): Add -mcall-netbsd.
5414 (RS/6000 and PowerPC Options): Mention -mcall-netbsd.
5416 2001-08-01 Mark Kettenis <kettenis@gnu.org>
5418 * unwind-pe.h (base_of_encoded_value, read_encoded_value): Define
5419 only if NO_BASE_OF_ENCODED_VALUE isn't defined.
5420 * unwind-dw2-fde.c (NO_BASE_OF_ENCODED_VALUE): Define before
5421 including "unwind-pe.h".
5423 Wed Aug 1 20:01:42 CEST 2001 Jan Hubicka <jh@suse.cz>
5425 * rs6000.md (define_splits): Kill unused constraints.
5427 Wed Aug 1 20:02:12 CEST 2001 Graham Stott <grahams@redhat.com>
5428 Jan Hubicka <jh@suse.cz>
5430 * function.c (thread_prologue_and_epilogue_insns): Kill code
5431 dealing with non-existent CFG.
5433 2001-08-01 Kazu Hirata <kazu@hxi.com>
5435 * alias.c: Fix comment formatting.
5436 * bitmap.c: Likewise.
5437 * builtins.c: Likewise.
5438 * calls.c: Likewise.
5439 * c-common.c: Likewise.
5440 * c-decl.c: Likewise.
5441 * c-dump.c: Likewise.
5442 * c-lex.c: Likewise.
5443 * collect2.c: Likewise.
5444 * combine.c: Likewise.
5445 * conflict.c: Likewise.
5446 * cppfiles.c: Likewise.
5447 * cppinit.c: Likewise.
5448 * cpplex.c: Likewise.
5449 * cpplib.c: Likewise.
5450 * cppmacro.c: Likewise.
5451 * cppspec.c: Likewise.
5452 * c-pragma.c: Likewise.
5453 * crtstuff.c: Likewise.
5455 * cselib.c: Likewise.
5456 * c-semantics.c: Likewise.
5457 * c-typeck.c: Likewise.
5459 2001-08-01 H.J. Lu <hjl@gnu.org>
5461 * config/mips/linux.h (ASM_OUTPUT_IDENT): Defined.
5463 2001-08-01 H.J. Lu <hjl@gnu.org>
5465 * gcc/config/mips/linux.h (ASM_OUTPUT_SOURCE_LINE): Defined.
5467 2001-08-01 Ziemowit Laski <zlaski@apple.com>
5469 * c-parse.in (OBJC_NEED_RAW_IDENTIFIER): Define macro and flag for
5470 contextualizing Objective-C class name lookup by the lexer.
5471 (typespec_reserved_nonattr): Disable ObjC class name lookup after
5473 (protocoldef): Add support for forward @protocol declarations.
5474 (yylexname): Suppress ObjC class name lookup in certain contexts;
5475 re-enable after lookup is complete.
5476 (_yylex): Re-enable ObjC class name lookup when certain
5477 punctuation marks are seen.
5479 * objc/objc-act.c (check_protocol_recursively): New function used
5480 for finding circular dependencies in protocols.
5481 (objc_declare_protocols): New function for handling forward
5482 @protocol declarations.
5483 (receiver_is_class_object): Detect the case when 'self' is used
5484 inside of a class method.
5485 (build_message_expr): Issue a warning if class method is desired
5486 but instance method is found instead.
5487 (conforms_to_protocol): Streamline.
5488 (objc_comptypes): Detect the fact that 'Bar<Foo> foo' conforms to
5489 protocol Foo, even if 'Bar foo' does not.
5490 (check_protocols): Streamline.
5491 (start_protocol): Add checks for circular and duplicate protocol
5493 (encode_aggregate_within): For typedefs of structs, encode the
5495 * objc/objc-act.h (PROTOCOL_DEFINED): New tree accessor.
5496 (objc_declare_protocols): New prototype.
5498 2001-08-01 Neil Booth <neil@cat.daikokuya.demon.co.uk>
5500 * cpphash.h (struct cpp_reader): New members line, pseudo_newlines.
5501 * cpplex.c (handle_newline): Update prototype. Maintain logical
5503 (skip_escaped_newlines, skip_block_comment, parse_string):
5505 (_cpp_lex_token): Update, and store token position within the token.
5506 * cpplib.h (struct cpp_token): Add line and column entries.
5507 * cppmacro.c (replace_args): Position stringified tokens correctly.
5509 2001-08-01 Andreas Jaeger <aj@suse.de>
5511 * basic-block.h: Add prototype for last_loop_beg_note.
5513 2001-07-31 Alexandre Petit-Bianco <apbianco@redhat.com>
5515 * expr.c (safe_from_p): Use WITH_CLEANUP_EXPR_RTL instead of
5516 RTL_EXPR_RTL while handling WITH_CLEANUP_EXPR nodes. Fixed typo in
5518 (expand_expr): Use WITH_CLEANUP_EXPR_RTL instead of RTL_EXPR_RTL
5519 while handling WITH_CLEANUP_EXPR node. Use second operand calling
5520 expand_decl_cleanup.
5521 * tree.c (firt_rtl_op): The third operand of WITH_CLEANUP_EXPR is
5523 (simple_cst_equal): WITH_CLEANUP_EXPR node to use its second
5524 operand while calling simple_cst_equal.
5525 * tree.def (WITH_CLEANUP_EXPR): Switched operands: the second
5526 operand is the cleanup expression, the third is the RTL_EXPR.
5527 * tree.h (WITH_CLEANUP_EXPR_RTL): New macro.
5529 2001-07-31 Jeff Sturm <jsturm@one-point.com>
5531 * except.c (duplicate_eh_regions): Test n_array[i] for NULL.
5533 2001-07-31 matthew green <mrg@eterna.com.au>
5535 * config.gcc (i386-*-netbsdelf): New description.
5536 * config/i386/netbsd-elf.h: New file.
5538 2001-07-30 Geoffrey Keating <geoffk@redhat.com>
5540 * loop.c (check_dbra_loop): Use single_set to compute
5543 2001-07-31 Daniel Berlin <dan@cgsoftware.com>
5545 PowerPC reorg and support for powerpc64-*-linux*.
5547 Also fixes emitting of constants on 32 bit and 64 bit
5550 * config.gcc: powerpc64-*-linux* is a new target.
5551 Things that needed aix.h now also include xcoff.h
5553 * config/rs6000/rs6000.h: Split XCOFF specific stuff into
5555 Move AIX specific stuff into aix.h.
5556 (TARGET_AIX): Renamed to TARGET_XCOFF, since the AIX ABI is used
5557 with more than just XCOFF now.
5558 (SET_ASM_OP): Remove, now defined where needed.
5559 (FUNCTION_PROLOGUE): New macro definition.
5560 (FUNCTION_EPILOGUE): New macro definition.
5561 (ASM_OPEN_PAREN, ASM_CLOSE_PAREN): New macro definition.
5563 * config/rs6000/xcoff.h: New file.
5565 * config/rs6000/linux64.h: New file.
5567 * config/rs6000/darwin.h: Copy needed AIX alignment definitions.
5569 2001-07-31 Alan Modra <amodra@bigpond.net.au>
5571 * rs6000.c (print_operand_address): Handle ELF syntax.
5572 (output_toc): Simplify. Use DOUBLE_INT_ASM_OP.
5573 * rs6000.md (load_toc_aix_di): Handle ELF syntax.
5574 * rs6000.h (ASM_OUTPUT_DOUBLE_INT, ASM_LONG): Use DOUBLE_INT_ASM_OP.
5576 2001-07-31 David Edelsohn <edelsohn@gnu.org>
5578 * rs6000.c (rs6000_override_options): Only disable
5579 flag_function_sections for XCOFF.
5580 (exact_log2_cint_operand): New predicate.
5581 (reg_or_{add,sub}_cint64_operand): New predicates.
5582 (add_operand): Compare CONST_INT with fewer function calls.
5583 (rs6000_emit_set_const, rs6000_emit_set_long_const): New functions.
5584 (print_operand, case 'p'): Ensure positive operand.
5585 (rs6000_emit_load_toc_table): No load_toc_v4_pic_di.
5586 * rs6000.h (CONST_OK_FOR_LETTER_P, case 'N'): Ensure positive value.
5587 (PREDICATE_CODES): Add new predicates.
5588 * rs6000.md (addsi3): Split 32-bit constants more correctly.
5589 (divsi3, modsi3): Ensure positive power-of-2.
5590 (adddi3): Use new predicate. Split 32-bit constants more
5591 correctly. Re-arrange splitter to handle any constant.
5592 (subdi3): Use new predicate.
5593 (divdi3, moddi3): Ensure positive power-of-2.
5594 (movdi): Use rs6000_emit_set_const.
5595 (load_toc_v4_pic_di): Delete.
5597 2001-07-31 Graham Stott <grahams@redhat.com>
5599 * function.c (pad_below): Revert 2001-07-26 patch.
5601 Tue Jul 31 15:37:35 CEST 2001 Jan Hubicka <jh@suse.cz>
5603 * reg-stack (convert_regs_1): Fix best edge condition.
5605 Tue Jul 31 15:33:27 CEST 2001 Jan Hubicka <jh@suse.cz>
5607 * jump.c (duplicate_loop_exit_test): Better test for jumps
5608 entering the loop; create loop pre_header.
5610 2001-07-31 Hartmut Penner <hpenner@de.ibm.com>
5612 * doc/install.texi: Add s390 and s390x as new targets.
5613 * doc/invoke.texi: Add documantation of S/390 and zSeries
5615 * doc/md.texi: Add documantation of S/390 and zSeries constraints.
5617 2001-07-30 Roman Zippel <zippel@linux-m68k.org>
5619 * config/m68k/m68k.md: Replace all general_operand with
5620 nonimmediate_operand for all destinations.
5621 * config/m68k/m68k.c (not_sp_operand): Likewise.
5623 Mon Jul 30 23:20:34 EDT 2001 John Wehle (john@feith.com)
5625 * flow.c (merge_blocks): Return 1 if an extra jump is inserted.
5627 2001-07-30 Richard Henderson <rth@redhat.com>
5629 * config/ia64/ia64.h (DEBUG_RANGES_SECTION): New.
5630 * config/mips/iris6.h (DEBUG_RANGES_SECTION): New.
5632 2001-07-30 Roman Zippel <zippel@linux-m68k.org>
5634 * config/m68k/m68k.h (TARGET_SWITCHES/TARGET_OPTIONS):
5635 Add missing doc strings
5636 * config/m68k/linux-aout.h (SUBTARGET_SWITCHES): Likewise
5637 * config/m68k/linux.h (SUBTARGET_SWITCHES): Likewise
5639 Mon Jul 30 22:16:08 CEST 2001 Jan Hubicka <jh@suse.cz>
5641 * i386.c (ix86_output_main_function_alignment_hack): New function.
5642 (TARGET_ASM_FUNCTION_PROLOGUE): Default to it.
5644 * flow.c (mark_dfs_back_edges): Move from loop_p ; mark back
5645 edges by EDGE_DFS_BACK flag.
5646 (dump_edge_info): Add dfs_back flag.
5647 * basic-block.h (EDGE_DFS_BACK): New constant.
5648 (mark_dfs_back_edges): Declare.
5649 * alias.c (loop_p): Remove.
5650 (mark_constant_function): Use mark_dfs_back_edges.
5652 * reg-stack.c (block_info_def): Add predecesors counter and stack_out.
5653 (reg_to_stack): Call mark_dfs_back_edges; count the predecesors.
5654 (compensate_edge): Break out from ...
5655 (convert_regs_1): ... here; do smart choosing of stack_out to copy.
5656 (convert_regs_2): Set block_done once block is really done;
5657 Do updating of the predecesors counts.
5659 * toplev.c (rest_of_compilation): Recompute block_for_insn
5660 before post-reload cfg_cleanup.
5661 * function.c (thread_prologue_epilogue_insns):
5662 Call set_block_for_new_insns when emitting prologue directly.
5664 2001-07-30 Andreas Jaeger <aj@suse.de>
5666 * jump.c: Add prototype for mark_modified_reg.
5668 * cse.c (set_live_p): Add unused attribute.
5670 * gcov.c (calculate_branch_probs): Use gcov_type to avoid
5672 (scan_for_source_files): Use long for count to avoid overflow.
5673 (output_data): Likewise.
5674 (output_data): Don't use string concatatenation to silence gcc
5677 * predict.c: Fix typos and grammar.
5679 * gcse.c (insert_insn_end_bb): Remove unused variables.
5681 Mon Jul 30 21:54:53 CEST 2001 Jan Hubicka <jh@suse.cz>
5683 * flow.c (mark_set_1): Use REG_FREQ_FROM_BB.
5684 (attempt_auto_inc): LIkewise.
5685 (mark_used_reg): Likewise.
5686 (try_pre_increment_1): Likewise.
5687 * regclass.c (regclass): Likewise.
5688 * global.c (allocno_compare): Update comment; change scaling factor.
5689 * local-alloc.c (QTY_CMP_PRI): Likewise.
5690 * regs.h (REG_FREQ_FROM_BB): New.
5691 (REG_FREQ_MAX): Likewise.
5693 2001-07-30 H.J. Lu <hjl@gnu.org>
5695 * config/mips/linux.h (CPLUSPLUS_CPP_SPEC): Add
5698 2001-07-30 H.J. Lu (hjl@gnu.org)
5700 * config/mips/linux.h (ASM_DECLARE_FUNCTION_NAME): Defined.
5701 (ASM_DECLARE_FUNCTION_SIZE): Likewise.
5702 (FUNCTION_NAME_ALREADY_DECLARED): Likewise.
5704 2001-07-30 Nick Clifton <nickc@cambridge.redhat.com>
5706 * config/arm/t-arm-elf (MULTILIB_EXCEPTIONS): Skip -mthumb as well
5707 as -mthumb-interwork when -mcpu=arm7 is specified.
5709 Mon Jul 30 17:44:43 CEST 2001 Jan Hubicka <jh@suse.cz>
5711 * predict.def (noreturn, loop branch, loop exit): Mark as first
5714 Mon Jul 30 12:52:11 CEST 2001 Jan Hubicka <jh@suse.cz>
5716 * combine.c (try_combine): Avoid barrier after noop jumps.
5718 2001-07-29 Neil Booth <neil@cat.daikokuya.demon.co.uk>
5720 * cpphash.h (struct cpp_reader): Remove import_warning.
5721 * cpplib.c (skip_rest_of_line): Don't bother turning off
5723 (parse_include): Move include handling to...
5724 (do_include_common): ... here. Move import warning from...
5725 (do_import): ... here.
5726 (do_pragma_poison): Don't do a callback for poison identifiers.
5727 * cpplib.h (struct cpp_callbacks): Don't do poison callbacks.
5728 * cppmain.c (setup_callbacks): Similarly.
5730 Sun Jul 29 23:26:50 CEST 2001 Jan Hubicka <jh@suse.cz>
5732 * rtlanal.c (parms_set, find_first_parameter_load): Break out from...;
5733 handle multiple sets.
5734 * except.c (sjlj_mark_call_sites): .... here.
5735 * gcse.c (insert_insn_end_bb): Use find_first_parameter_load.
5737 Sun Jul 29 21:38:45 CEST 2001 Jan Hubicka <jh@suse.cz>
5739 Suggested by Richard Henderson and Richard Kenner:
5740 * combine.c (recog_for_combine): Use the fake recog
5741 only if instruction does not match.
5742 * rtl.h (NOOP_MOVE_INSN_CODE): New.
5743 * rtlanal.c (noop_move_p): Always return 1 for NOOP_MOVE_INSN_CODE.
5745 * combine.c (try_combine): Discover noop jump as direct jump.
5747 2001-07-29 Daniel Berlin <dan@cgsoftware.com>
5749 * df.c (df_rd_global_compute): Add successors to worklist, not
5751 (df_ru_global_compute): Ditto.
5753 2001-07-27 Daniel Berlin <dan@cgsoftware.com>
5755 * regclass.c (reg_scan_mark_refs): Increment REG_N_REFS when we
5756 increment REG_N_SETS.
5758 2001-07-26 Daniel Berlin <dan@cgsoftware.com>
5760 * sbitmap.h: New prototype for sbitmap_a_xor_b.
5762 * sbitmap.c (sbitmap_a_xor_b): New function.
5763 ifdef the basic block stuff on IN_GCC.
5765 2001-07-29 Neil Booth <neil@cat.daikokuya.demon.co.uk>
5767 * cppexp.c (parse_defined): Always record the macro name.
5768 (lex): Don't worry about identifiers, or special-case
5770 (_cpp_parse_expr): Figure out at the end of the routine
5771 whether we saw a valid !defined() expression.
5772 * cppfiles.c (stack_include_file): Update for mi_valid.
5773 (_cpp_pop_file_buffer): Similarly.
5774 * cpplex.c (_cpp_lex_token): Similarly.
5775 * cpphash.h (enum mi_state, enum mi_ind, mi_state,
5776 mi_if_not_defined, mi_lexed): Remove.
5778 * cpplib.c (do_if): Simplify.
5779 (do_endif, push_conditional, _cpp_handle_directive): Update
5780 for renaming of mi_state to mi_valid.
5782 * cpp.texi: Add index entries for digraphs, and add comment
5783 that C++ refers to them as alternative tokens.
5785 Sun Jul 29 18:59:13 CEST 2001 Jan Hubicka <jh@suse.cz>
5787 * basic-block.h (CLEANUP_PRE_LOOP): New.
5788 * except.c (finish_eh_generation): Update call of cleanup_cfg.
5789 * sibcall.c (optimize_sibling_calls): Likewise.
5790 * toplev.c (rest_of_compilation): Likewise.
5791 * flow.c (try_forward_edges): Take argument MODE;
5792 do not forward over loop pre-headers if CLEANUP_PRE_LOOP.
5793 (try_optimize_cfg): Update call of try_forward_edges.
5795 Sun Jul 29 18:59:56 CEST 2001 Roman Zippel <zippel@linux-m68k.org>
5796 Jan Hubicka <jh@suse.cz>
5798 * (validate_replace_rtx_1): Fix simplification of MINUS.
5800 2001-07-29 Neil Booth <neil@daikokuya.demon.co.uk>
5802 PR preprocessor/3669
5803 * cppinit.c (init_dependency_output): Turn off dump requests
5804 if sending dependencies to stdout.
5806 2001-07-28 Richard Henderson <rth@redhat.com>
5808 * flow.c (life_analysis): Elide PROP_ALLOW_CFG_CHANGES if
5811 2001-07-28 Golubev I. N. <gin@mo.msk.ru>
5813 * config/i386/sco5.h (DWARF2_DEBUGGING_INFO): Define.
5815 2001-07-28 Kazu Hirata <kazu@hxi.com>
5817 * config/h8300/h8300.h (ENCODE_SECTION_INFO): Check to see if DECL
5818 is VAR_DECL first to prevent an ICE.
5820 2001-07-28 Richard Henderson <rth@redhat.com>
5822 * varasm.c (immed_real_const_1): Don't elide special cases for
5824 (clear_const_double_mem): Clear const_tiny_rtx too.
5826 2001-07-28 Richard Henderson <rth@redhat.com>
5828 * dwarf2out.c (dw_val_class_offset): New.
5829 (struct dw_ranges_struct, dw_ranges_ref): New.
5830 (ranges_table, ranges_table_allocated): New.
5831 (ranges_table_in_use, RANGES_TABLE_INCREMENT): New.
5832 (add_AT_offset, add_ranges, output_ranges): New.
5833 (print_die, output_die): Handle dw_val_class_offset.
5834 (attr_checksum, size_of_die, value_format): Likewise.
5835 (gen_lexical_block_die): Handle non-contiguous blocks.
5836 (gen_block_die): Likewise.
5837 (dwarf2out_finish): Add a DW_AT_entry_pc to the compilation unit
5838 if needed. Dump the ranges table.
5839 * final.c (final_start_function): Remove unnecessary notes and
5840 rebuild the block tree before numbering the blocks.
5841 * function.c (reorder_blocks_0): Walk the existing block tree
5842 to unmark all blocks.
5843 (reorder_blocks_1): Create block fragments when duplicate block
5845 (reorder_fix_fragments): New.
5846 (reorder_blocks): Call it.
5847 * tree.h (BLOCK_FRAGMENT_ORIGIN, BLOCK_FRAGMENT_CHAIN): New.
5849 2001-07-28 Richard Henderson <rth@redhat.com>
5851 * emit-rtl.c (adjust_address): Make a copy of the memory address.
5853 2001-07-28 Richard Henderson <rth@redhat.com>
5855 * flow.c (add_to_mem_set_list): New function.
5856 (init_propagate_block_info): Use it.
5857 (mark_set_1): Likewise.
5858 (insn_dead_p): Canonicalize memory address for dead store
5859 comparison. Allow wider mode stores to kill narrower mode stores.
5860 (invalidate_mems_from_autoinc): Use invalidate_mems_from_set.
5861 (invalidate_mems_from_set): Don't handle MEMs.
5863 2001-07-28 Kazu Hirata <kazu@hxi.com>
5865 * config/h8300/h8300.h: Fix formatting.
5867 Sat Jul 28 23:35:22 CEST 2001 Jan Hubicka <jh@suse.cz>
5869 * basic-block.h (EDGE_FREQUENCY): New macro.
5870 * bb-reorder (fixup_reorder_chain): Set counts and frequencies
5872 * flow.c (find_sub_basic_blocks): Likewise.
5873 (try_crossjump_to_edge): Likewise; use EDGE_FREQUENCY
5874 (redirect_edge_and_branch): Use EDGE_FREQUENCY.
5876 * predict.c (DEF_PREDICTOR): New argument FLAGS.
5877 (HITRATE): New macro.
5878 (PRED_FLAG_FIRST_MATCH): New constant.
5879 (predictor_info): New field flgags.
5880 (combine_predictions_for_insn): Use DS theory to combine
5881 probabilities; set the edge probabilities when finished.
5882 (estimate_probability): Avoid duplicated matches
5883 of LOOP_BRANCH heuristics for nested loops; update comment.
5884 * predict.def: Add flags for each prediction, set probabilities
5885 according to B&L paper.
5886 * predict.h (DEF_PREDICTOR): New argument FLAGS.
5888 * profile.c (compute_branch_probabilities): Cleanup way the edge
5889 probabilities are computed and REG_BR_PROB notes are dropped; if
5890 values does not match, emit error.
5891 (init_branch_prob): Do error instead of warning when profile driven
5892 feedback is missing or corrupt.
5894 2001-07-27 DJ Delorie <dj@redhat.com>
5896 * ifcvt.c (noce_get_alt_condition): If the condition is a compare
5897 against a constant, try to adjust the compare to have the desired
5898 constant in it so that min/max optimizations happen more often.
5900 Fri Jul 27 17:53:00 CEST 2001 Jan Hubicka <jh@suse.cz>
5902 * flow.c (last_loop_beg_note): New function.
5903 (redirect_edge_and_branch): Use it.
5904 (split_edge): Likewise.
5906 * alias.c (loop_p): Avoid uninitialized memory access.
5908 * flow.c (try_forward_edges): Avoid accessing freed memory.
5910 * flow.c (backward_edge_of_syntactic_loop_p): Avoid uninitialized
5913 2001-07-26 Andrew Haley <aph@redhat.com>
5914 Joern Rennecke <amylaar@redhat.com>
5916 * config/sh/linux.h (CPP_DEFAULT_CPU_SPEC): New.
5917 (SUBTARGET_CPP_ENDIAN_SPEC): New.
5918 (SUBTARGET_CPP_SPEC): New.
5920 * config/sh/sh.h (SUBTARGET_CPP_ENDIAN_SPEC): New.
5921 (SUBTARGET_CPP_PTR_SPEC): New.
5922 (CPP_DEFAULT_CPU_SPEC): New.
5923 (EXTRA_SPECS): Add SUBTARGET_CPP_ENDIAN_SPEC,
5924 SUBTARGET_CPP_PTR_SPEC, and CPP_DEFAULT_CPU_SPEC.
5925 (CPP_SPEC): Break out parts into SUBTARGET_CPP_ENDIAN_SPEC,
5926 SUBTARGET_CPP_PTR_SPEC, and CPP_DEFAULT_CPU_SPEC.
5927 (SUBTARGET_CPP_SPEC): Define as an empty string.
5929 2001-07-27 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
5931 * doc/install.texi (Configuration): Properly link the host
5932 specific instructions also when generating HTML.
5934 Fri Jul 27 00:33:35 EDT 2001 John Wehle (john@feith.com)
5936 * flow.c (redirect_edge_and_branch_force): Test
5937 target->global_live_at_start.
5939 2001-07-26 Richard Henderson <rth@redhat.com>
5941 * simplify-rtx.c (avoid_constant_pool_reference): Export.
5942 * rtl.h (avoid_constant_pool_reference): Declare it.
5943 * dwarf2out.c (add_location_or_const_value_attribute): Use it.
5944 (add_const_value_attribute): Use add_AT_unsigned for unsigned values.
5946 Thu Jul 26 22:30:22 CEST 2001 Jan Hubicka <jh@suse.cz>
5948 * rtl.h (cleanup_barriers): Declare.
5949 * jump.c (cleanup_barriers): New function.
5950 * toplev.c (rest_of_compilation): Call cleanup_barriers
5951 before loop optimizer and after bb_reorder.
5953 * flow.c (back_edge_of_syntactic_loop_p): New.
5954 (split_edge): Use it.
5956 2001-07-26 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5958 * glimits.h (_MACH_MACHLIMITS_H_): Delete.
5960 Thu Jul 26 22:22:21 2001 Denis Chertykov <denisc@overta.ru>
5962 * cse.c (cse_process_notes): Replace any registers if the address
5965 Thu Jul 26 14:04:03 EDT 2001 John Wehle (john@feith.com)
5967 * basic-block.h (PROP_ALLOW_CFG_CHANGES): Define.
5968 (PROP_FINAL): Include PROP_ALLOW_CFG_CHANGES.
5969 (propagate_block): Update prototype.
5970 * flow.c (update_life_info): Simplify the CFG and
5971 recalculate the global regs which are alive when
5972 removing dead code during a global update.
5973 (propagate_block): Return non-zero if an INSN is
5976 2001-07-26 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5978 * Makefile.in (LIBICONV): Define.
5980 2001-07-26 Catherine Moore <clm@redhat.com>
5982 * config/v850/v850.h (ENCODE_SECTION_INFO): Change order
5983 of conditional to avoid tree checking errors.
5985 2001-07-26 Kazu Hirata <kazu@hxi.com>
5987 * regmove.c (regmove_optimize): Don't replace a reg with
5988 another reg of a different mode.
5990 2001-07-26 Andrew MacLeod <amacleod@redhat.com>
5992 * params.def (PARAM_MAX_PENDING_LIST_LENGTH): Add parameter to
5993 limit length of dependancy flush list.
5994 * params.h (MAX_PENDING_LIST_LENGTH): Define.
5995 * sched-int.h (struct deps): Add pending_flush_length field.
5996 * sched-deps.c (flush_pending_lists): Last_pending_memory_flush now
5997 has 1 element in it.
5998 (sched_analyze_1): Use MAX_PENDING_LIST_LENGTH.
5999 (sched_analyze): After a jump, if the pending memory flush list is too
6000 large, flush the pending lists.
6001 (init_deps): Initialize pending_flush_length to 0.
6002 * doc/invoke.texi (max_pending_list_length): Document parameter.
6004 2001-07-26 Neil Booth <neil@daikokuya.demon.co.uk>
6006 * toplev.c, varasm.c, final.c: Include xcoffout.h if appropriate.
6007 * dbxout.c (dbxout_global_decl): Move outside #ifdef.
6008 * Makefile.in (varasm.o, final.o, toplev.o): Update dependencies.
6010 2001-07-26 Neil Booth <neil@cat.daikokuya.demon.co.uk>
6012 * cpphash.h (struct_lexer_state): Delete was_skipping.
6013 Move skipping here from struct cpp_reader.
6014 * cpplex.c (parse_identifier): Update.
6015 (_cpp_lex_token): Don't skip tokens in a directive.
6016 * cpplib.c (struct if_stack): Update.
6017 (start_directive, end_directive): Don't change skipping state.
6018 (_cpp_handle_directive): Update.
6019 (do_ifdef, do_ifndef, do_if, do_elif): Similarly.
6020 (do_else, do_endif): Update; only check for excess tokens if not
6021 in a skipped conditional block.
6022 (push_conditional): Update for new struct if_stack.
6024 2001-07-26 Graham Stott <grahams@redhat.com>
6026 * function.c (locate_and_pad_parm): Also pad initial offset
6027 so that the total argument size also includes the padding.
6029 2001-07-26 Graham Stott <grahams@redhat.com>
6031 * gensupport.c (alter_output_for_insn): Correct enable checking failure
6032 change XSTR to XTMPL.
6034 (process_one_cond_exec): Likewise
6036 2001-07-25 Richard Henderson <rth@redhat.com>
6038 * varasm.c (assemble_variable): Create DECL_RTL before setting
6041 Thu Jul 26 00:19:30 CEST 2001 Jan Hubicka <jh@suse.cz>
6043 * predict.c (estimate_probability): Avoid duplicated predictions.
6045 * loop.c (find_and_verify_loops): Grok multiple barriers.
6047 Wed Jul 25 18:00:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6049 * config/alpha/alpha.c (print_operand, case '/'): Don't write '/'.
6051 * dbxout.c: Consistently use putc instead of fputc.
6052 (print_wide_int): New function; call instead of direct fprintf.
6053 (dbxout_type_index): Adjust calls of CHARS to be more accurate.
6054 (dbxout_type_fields, dbxout_type_method_1): Likewise.
6055 (dbxout_type_methods, dbxout_range_type, dbxout_type): Likewise.
6056 (print_int_cst_octal): Likewise.
6057 (print_octal): Show we wrote characters.
6058 (dbxout_type): Set have_used_extensions in more places.
6060 2001-07-25 Catherine Moore <clm@redhat.com>
6062 * config/v850/v850.c (v850_va_arg): Use addr
6063 instead of valist to build incr.
6065 Wed Jul 25 22:48:59 CEST 2001 Jan Hubicka <jh@suse.cz>
6067 * flow.c (delete_dead_jumptables): New function.
6068 (life_analyzis): Call it.
6069 * bb-reorder.c (skip_insns_after_block): Handle contradictory
6072 2001-07-25 Richard Henderson <rth@redhat.com>
6074 * except.c (reachable_handlers): Handle a region being removed
6075 out from under a RESX.
6077 2001-07-25 Richard Henderson <rth@redhat.com>
6079 * config/alpha/alpha.c (alpha_emit_conditional_move): Always
6080 swap GE/GT if it is an fp comparison.
6082 2001-07-25 Andrew Haley <aph@cambridge.redhat.com>
6084 * alias.c (rtx_equal_for_memref_p): Allow strings as types in
6087 Wed Jul 25 08:25:01 2001 Jeffrey A Law (law@cygnus.com)
6089 * ssa.c (rename_insn_1): Do not wrap an assignment to a
6090 paradoxical SUBREG inside a SEQUENCE. Fix minor formatting
6093 * ssa-ccp.c (visit_expression): Handle CALL_INSNs that can
6095 (visit_expression): When attempting to simplify an expression,
6096 retrieve any modes for arguments before they are simplified
6099 2001-07-25 Andrew MacLeod <amacleod@redhat.com>
6100 Janis Johnson <janis@us.ibm.com>
6102 * stmt.c (expand_goto): A nonlocal goto can be a call too.
6103 * builtins.c (expand_builtin_longjmp): Reverse label and static chain
6104 pointer parameters to match documented usage of nonlocal_goto.
6105 * config/ia64/ia64.md (nonlocal_goto): Revert label and static chain
6106 parameters to their correct order.
6107 * config/sparc/sparc.md (nonlocal_goto): Revert label and static chain
6108 parameters to their correct order.
6110 2001-07-25 Andrew MacLeod <amacleod@redhat.com>
6112 * config/ia64/ia64.h (STRIP_NAME_ENCODING): Strip out '*' as well.
6114 2001-07-25 Jan Hubicka <jh@suse.cz>
6115 Richard Henderson <rth@redhat.com>
6117 * flow.c (find_sub_basic_blocks): Fix handling of the last BB in
6119 (make_edges): New argument update_p; populate the edge cache if set.
6120 (find_basic_blocks): Update make_edges invocation.
6122 2001-07-24 Joel Sherrill <joel@OARcorp.com>
6124 * config/i960/i960.h (CPP_SPEC): Define _SOFT_FLOAT for -msoft-float.
6126 2001-07-24 Joel Sherrill <joel@OARcorp.com>
6128 * config/sparc/rtems.h (CPP_PREDEFINES): Remove redundant
6129 -Acpu and -Amachine.h.
6130 * config/sparc/rtemself.h (CPP_PREDEFINES): Likewise.
6131 Corrected header to say ELF not a.out.
6132 * config/sparc/sparc.h (CPP_CPU_SPEC): Define _SOFT_FLOAT
6133 when given -msoft-float.
6135 2001-07-24 Joel Sherrill <joel@OARcorp.com>
6137 * config.gcc (arm*-*-rtems*): Include crtinit.o and crtfini.o as
6138 extra multilib parts like arm-elf.
6139 (i960-*-coff*, i960-*-rtems): Should not use collect2.
6140 (m68020-*-elf*, m68k-*-elf*, m68k-*-rtems*): Include crtinit.o and
6141 crtfini.o as extra multilib parts.
6143 2001-07-24 Joel Sherrill <joel@OARcorp.com>
6145 * configure.in: Add rtems as a supported thread model.
6146 * gthr-rtems.h: Add missing entry point __gthread_active_p.
6147 * configure: Rebuilt.
6149 2001-07-24 Lars Brinkhoff <lars@nocrew.org>
6151 * stor-layout.c (get_mode_alignment): make it work when
6152 BITS_PER_UNIT is not a power of two.
6153 * builtins.c (get_pointer_alignment): Likewise.
6155 2001-07-24 Richard Henderson <rth@redhat.com>
6157 * simplify-rtx.c (avoid_constant_pool_reference): Coerce
6158 the retrieved constant into the expected mode.
6160 Wed Jul 25 01:41:27 CEST 2001 Jan Hubicka <jh@suse.cz>
6162 * flow.c (try_simplify_condjump): Avoid duplicated edges.
6163 (verify_flow_info): Check for duplicated edges; clarify
6166 * flow.c (block_label): Update basic_block_for_insn.
6167 (commit_edge_insertions): Call compute_bb_for_insn.
6169 * flow.c (purge_dead_edges): Handle conditional jumps and conditional
6172 * flow.c (redirect_edge_and_branch,
6173 try_optimize_cfg): Use redirect_edge_succ_nodup
6174 (redirect_edge_succ_nodup): New.
6175 * basic_block.h (redirect_edge_succ_nodup): Declare.
6177 * toplev.c (rest_of_compilation): Rebuild CFG before cfg_cleanup
6180 Wed Jul 25 00:32:49 CEST 2001 Jan Hubicka <jh@suse.cz>
6182 * flow.c (try_forward_edges): Accept fallthru edge; Update comment.
6183 (try_crossjump_to_edge): Update commetns.
6184 (try_crossjump_bb): Likewise.
6186 2001-07-24 Richard Henderson <rth@redhat.com>
6188 * combine.c (distribute_notes): Move set of need_refresh
6189 for noop_move_p down to catch all cases.
6191 Tue Jul 24 20:32:44 CEST 2001 Jan Hubicka <jh@suse.cz>
6193 * recog.c (split_all_insns_noflow): New.
6194 * rtl.h (split_all_insns_noflow): Declare.
6195 * ia64.c (ia64_reorg): Use split_all_insns_noflow.
6196 * m68hc11.c (m68hc11_reorg): Likewise.
6197 * sh.c (machine_dependent_reorg): Likewise.
6198 * toplev.c (rest_of_compilation): Likewise for last split_all_insns
6201 2001-07-18 Andrew Haley <aph@cambridge.redhat.com>
6203 * config/sh/sh.md (ashlsi3_std splitter): Split only after reload.
6204 (ashlsi3_n splitter): Likewise.
6205 (lshrsi3_n splitter): Likewise.
6207 (GOTaddr2picreg): Make const SImode.
6208 (sym_label2reg): Likewise.
6209 (symGOT2reg): Likewise.
6210 (symGOTOFF2reg) Likewise.
6212 (casesi_worker_0): Make unspec SImode.
6214 2001-07-18 Andrew Haley <aph@cambridge.redhat.com>
6216 * config/sh/sh.c (barrier_align): Check that an operand really is
6217 an insn before extracting its INSN_CODE.
6219 2001-07-24 Andrew Haley <aph@cambridge.redhat.com>
6221 * config/sh/sh.h (OVERRIDE_OPTIONS): Add braces to get rid of
6224 * config/sh/sh.h (INITIALIZE_TRAMPOLINE): Truncate operands
6225 for SImode to prevent overflow.
6227 2001-07-24 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6229 * config/mips/irix6-libc-compat.c: New file.
6230 * config/mips/t-iris6 (LIB2FUNCS_STATIC_EXTRA): Use it.
6231 * doc/install.texi (Specific, mips*-sgi-irix6): Mention structure
6234 2001-07-24 lars brinkhoff <lars@nocrew.org>
6236 * rtl.texi (REG_POINTER): Document.
6237 (Machine Modes): Document BImode, OImode, PQImode, PHImode,
6238 QFmode, HFmode, TQFmode, QCmode, and HCmode.
6240 Tue Jul 24 10:49:40 CEST 2001 Jan Hubicka <jh@suse.cz>
6242 * flow.c (delete_noop_moves): Do not confuse libcall regions.
6244 2001-07-23 Richard Henderson <rth@redhat.com>
6246 * flow.c (try_simplify_condjump): Use tidy_fallthru_edge.
6248 2001-07-23 Kazu Hirata <kazu@hxi.com>
6250 * config/h8300/h8300-protos.h: Add a prototype for
6251 general_operand_dst_push.
6252 * config/h8300/h8300.c (general_operand_dst_push): New.
6253 * config/h8300/h8300.h (OK_FOR_T): New.
6254 (EXTRA_CONSTRAINT): Use it.
6255 * config/h8300/h8300.md (movqi_push): Remove and integrate into
6256 the existing movqi pattern.
6257 (movhi_push): Likewise.
6259 * reload.c: Fix comment typos.
6261 Mon Jul 23 23:34:07 CEST 2001 Jan Hubicka <jh@suse.cz>
6263 * gcse.c (cprop_insn): Update call of cprop_cc0_jump.
6265 2001-07-23 H.J. Lu (hjl@gnu.org)
6267 * doc/extend.texi: Update __builtin_return_address and
6268 __builtin_frame_address.
6270 2001-07-23 Richard Henderson <rth@redhat.com>
6272 * config/i386/i386.c (ix86_expand_setcc): Don't use method 0
6274 * config/i386/i386.md: New setcc+movzbl peephole2.
6276 2001-07-23 Neil Booth <neil@cat.daikokuya.demon.co.uk>
6278 * objc/Make-lang.in (objc-act.o): Depend on debug.h.
6279 * objc/objc-act.c: Include debug.h.
6280 (synth_module_prologue): Save and restore debug hooks too.
6282 2001-07-23 lars brinkhoff <lars@nocrew.org>
6284 * tm.texi (TARGET_FLOAT_FORMAT): Document IBM_FLOAT_FORMAT
6285 and C4X_FLOAT_FORMAT.
6286 (BOOL_TYPE_SIZE): Document.
6288 Mon Jul 23 11:54:23 2001 Clinton Popetz <cpopetz@cpopetz.com>
6290 * unroll.c (loop_iterations): Fix miscalculation of initial
6293 2001-07-13 Andrew Haley <aph@redhat.com>
6295 * doc/tm.texi (MD_CAN_REDIRECT_BRANCH): New macro.
6296 * config/sh/sh.h (MD_CAN_REDIRECT_BRANCH): New macro.
6297 * config/sh/sh.c (sh_can_redirect_branch): New function.
6298 * config/sh/sh-protos.h (sh_can_redirect_branch): Declare.
6299 * reorg.c (steal_delay_list_from_target): Use
6300 MD_CAN_REDIRECT_BRANCH to see if redirection is possible.
6302 Mon Jul 23 17:20:18 CEST 2001 Jan Hubicka <jh@suse.cz>
6304 * flow.c (try_simplify_condjump): Unlink insn chain on
6305 fallthru edge; use can_fallthru.
6307 Mon Jul 23 16:03:19 CEST 2001 Jan Hubicka <jh@suse.cz>
6309 * basic-block.h (find_sub_basic_block): Declare.
6310 * flow.c (make_edges): New arguments MIN and MAX;
6311 (find_sub_basic_blocks): Revamp to use make_edges
6312 and purge_dead_edges.
6313 (find_basic_blocks): Update call of find_sub_basic_block.
6315 * recog.c (split_all_insns): Always expect CFG to be consistent;
6316 call find_sub_basic_blocks in case something has changed.
6317 * toplev.c (rest_of_compilation): Always call split_all_insns once CFG
6320 * basic-block.h (delete_noop_moves): Declare.
6321 * combine.c (combine_instructions): Call it.
6322 (recog_for_combine): Tolerate noop moves
6323 (distribute_notes): Force refresh when register dies at noop move.
6324 * flow.c (delete_noop_moves): Use BB structure; delete JUMP insns
6326 (life_analysis): Update delete_noop_moves call.
6327 (set_noop_p): Move too ...
6328 * rtlanal.c (noop_move_p): ... here.
6329 * rtl.h (noop_move_p): Declare.
6331 * basic-block.h (purge_all_dead_edges, purge_dead_edges): New functions.
6332 * toplev.c (rest_of_compilation): Conditionally call purge_all_dead_edges
6334 * gcse.c (cprop_cc0_jump, cprop_insn): New argument "basic_block".
6335 (cprop_jump): Likewise; call purge_dead_edges if substitution suceeded.
6337 2001-07-23 Hans-Peter Nilsson <hp@bitrange.com>
6339 * reload.c (push_reload): Fix typo in comment.
6340 (find_reloads_address): Ditto.
6341 (reg_overlap_mentioned_for_reload_p): Ditto in head comment.
6343 2001-07-22 Richard Henderson <rth@redhat.com>
6345 * flow.c: Grammar check and clarify a lot of comments.
6346 (try_simplify_condjump): Rename variables to be clearer.
6347 (try_forward_edges): Skip complex and fallthru edges.
6348 Rearrange tests to avoid duplicate checks.
6349 (flow_find_cross_jump): Likewise.
6350 (outgoing_edges_match): Allow match if neither branch has
6351 probability data. Loosen probability match to 5%.
6352 (try_crossjump_to_edge): Hoist repeated indirection into
6354 (try_crossjump_bb): Don't check complex edges. Eliminate
6355 redundant crossjump tests.
6356 (try_optimize_cfg): Fix use of bool. Reorganize cheaper
6357 checks before more expensive checks.
6359 2001-07-22 Richard Henderson <rth@redhat.com>
6361 * fold-const.c (fold): Test vs FLOAT_TYPE_P instead of
6362 INTEGRAL_TYPE_P when folding comparisons with operand_equal_p
6365 2001-07-22 Richard Henderson <rth@redhat.com>
6367 * m68k.c (const_uint32_operand): Abort if mode is <= 32 bits.
6368 (const_sint32_operand): Likewise.
6369 * m68k.md (anon mulsi pattern): Use const_int_operand not
6370 const_sint32_operand.
6371 (umulsi3_highpart): Zero extend a constant input.
6372 (smulsi3_highpart): Don't bother checking SImode constant.
6373 (const_umulsi3_highpart): Give op3 DImode.
6374 (const_smulsi3_highpart): Likewise.
6376 2001-07-22 Richard Henderson <rth@redhat.com>
6378 * flow.c (split_block): Make sure bb_note is included in the
6379 new block when splitting before a label.
6381 Sun Jul 22 23:28:56 CEST 2001 Jan Hubicka <jh@suse.cz>
6383 * basic-block.h (redirect_edge_and_branch_force,
6384 redirect_edge_and_branch, block_label, forwarder_block_p): Declare.
6385 * flow.c (redirect_edge_and_branch_force,
6386 redirect_edge_and_branch, block_label, forwarder_block_p): Make global.
6387 (redirect_edge_and_branch_force): Fix copying of lifeness information.
6388 (block_label): Handle EXIT_BLOCK_PTR by returning NULL.
6389 * ifcvt.c (dead_or_predictable): Take BB as an new destionation
6390 instead of label; update CFG after transformation.
6391 (find_if_case_1): Update call, use redirect_edge_and_branch_force
6392 for finishing the transformation; handle even case where ELSE
6393 does not follow THEN.
6394 (find_if_case_2): Update call of dead_or_predictable; simplify
6397 * emit-rtl.c (split_branch_probability): New global variable.
6398 (try_split): Take care to set split_branch_probability and
6399 create REG_BR_PROB note for new jump insns.
6400 * md.texi (define_split): Document new feature.
6402 * i386.c (ix86_split_fp_branch): Redistribute branch probability notes.
6404 2001-07-22 Neil Booth <neil@daikokuya.demon.co.uk>
6406 * varasm.c: Don't inlcude dbxout.h, sdbout.h or xcoffout.h.
6407 (asm_out_file): Remove redundant declaration.
6408 (assemble_asm): Remove old #if 0 block.
6409 (assemble_variable): Remove end of function; debug output is
6410 now handled with global_decl. Remove old #if 0 block. Update.
6411 Remove saved_in_section and associated no-op code.
6412 * Makefile.in (varasm.o): Correct dependencies.
6414 Sun Jul 22 17:55:11 2001 Alexandre Oliva <aoliva@redhat.com>
6416 * config/i386/freebsd-aout.h (ASM_PREFERRED_EH_DATA_FORMAT): Use
6417 the definition in defaults.h.
6419 Sun Jul 22 21:31:04 CEST 2001 Jan Hubicka <jh@suse.cz>
6421 * jump.c: Update comments.
6422 (delete_barrier_successors, delete_unreferenced_labels,
6423 delete_noop_moves, tension_vector_labels, delete_from_jump_chain,
6424 delete_labelref_insn, redirect_tablejump, jump_optimize_1,
6425 jump_optimize, jump_optimize_minimal): Kill.
6426 (rebuild_jump_labels): Move code from jump_optimize_1.
6427 (purge_line_number_notes): Likewise.
6428 (copy_loop_headers): Likewise.
6429 * reg-stack.c: Update comment.
6431 * rtl.h (jump_optimize, jump_optimize_1, JUMP_NOOP_MOVES,
6432 JUMP_AFTER_REGSCAN): Kill.
6433 * toplev.c (rest_of_compilation): Use cleanup_cfg, call
6434 purge_line_number_notes and copy_loop_headers.
6436 2001-07-22 Neil Booth <neil@daikokuya.demon.co.uk>
6437 Richard Henderson <rth@redhat.com>
6439 * dbxout.c (dbxout_global_decl): New.
6440 (xcoff_debug_hooks, dbx_debug_hooks): Use it.
6441 * sdbout.c (sdbout_finish): New.
6442 (sdbout_debug_hooks): Use it, add comments.
6443 (sdbout_global_decl): Defer initialised public vars to
6445 * varasm.c (assemble_variable): Don't output debug information
6446 for file-scope variables.
6448 2001-07-22 Richard Henderson <rth@redhat.com>
6450 * config/alpha/alpha.c (get_trap_mode_suffix): New.
6451 (get_round_mode_suffix): New.
6452 (print_operand): Use them for [/]. Remove support for [&'`()+].
6453 * config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): Update.
6454 * config/alpha/alpha.md (attr round_suffix): New.
6455 (attr trap_suffix): New.
6456 (all insns): Set them appropriately. Use %/ instead of the
6459 2001-07-22 Neil Booth <neil@cat.daikokuya.demon.co.uk>
6461 * dbxout.c, sdbout.c, varasm.c: Revert most recent debug patch.
6463 2001-07-22 Richard Henderson <rth@redhat.com>
6465 * regrename.c (regrename_optimize): Compute nregs for each
6466 potential target register.
6468 2001-07-21 Neil Booth <neil@daikokuya.demon.co.uk>
6469 Richard Henderson <rth@redhat.com>
6471 * dbxout.c (dbxout_global_decl): New.
6472 (xcoff_debug_hooks, dbx_debug_hooks): Use it.
6473 * sdbout.c (sdbout_finish): New.
6474 (sdbout_debug_hooks): Use it, add comments.
6475 (sdbout_global_decl): Defer initialised public vars to
6477 * varasm.c (assemble_variable): Don't output debug information
6478 for file-scope variables.
6480 2001-07-21 H.J. Lu (hjl@gnu.org)
6482 * config/mips/mips.c (mips_cpu): Moved into ...
6483 (override_options): Here.
6485 * config/mips/mips.h (mips_cpu_attr): Replace mips_cpu with
6487 (mips_cpu): Removed.
6489 2001-07-21 Stephane Carrez <Stephane.Carrez@worldnet.fr>
6491 * config/m68hc11/m68hc11.md ("andqi3"): Accept d as second operand.
6492 ("iorqi3"): Likewise.
6493 ("xorqi3"): Likewise.
6494 ("*addhi3"): Fix constraint to avoid reloading in a soft register.
6495 ("*subhi3_sp): Likewise.
6496 ("*subhi3"): Likewise.
6497 ("extendhisi2"): Accept D, X and Y as source operand to avoid
6500 2001-07-21 Nathan Sidwell <nathan@codesourcery.com>
6502 * doc/tm.texi: Remove DEFAULT_VTABLE_THUNKS.
6503 * config/freebsd.h: Likewise.
6504 * config/linux.h: Likewise.
6505 * config/openbsd.h: Likewise.
6506 * config/alpha/linux-elf.h: Likewise.
6507 * config/arm/linux-elf.h: Likewise.
6508 * config/d30v/d30v.h: Likewise.
6509 * config/fr30/fr30.h: Likewise.
6510 * config/ia64/aix.h: Likewise.
6511 * config/ia64/ia64.h: Likewise.
6512 * config/mips/linux.h: Likewise.
6513 * config/pj/pj.h: Likewise.
6514 * config/rs6000/linux.h: Likewise.
6515 * config/sparc/linux.h: Likewise.
6516 * config/sparc/linux64.h: Likewise.
6518 2001-07-20 Bruce Korb <bkorb@gnu.org>
6520 * fixinc/fixincl.c(test_for_changes): force unsigned char comparisons
6521 because getc() and char* may disagree on signedness.
6523 2001-07-20 Richard Henderson <rth@redhat.com>
6525 * doc/rtl.texi (REG_DEAD): Update for current semantics.
6527 * flow.c (try_redirect_by_replacing_jump): Correctly compute which
6528 insns to delete in the presence of cc0 in a jump insn.
6530 Fri Jul 20 22:14:49 CEST 2001 Roman Zippel <zippel@linux-m68k.org>
6531 Jan Hubicka <jh@suse.cz>
6533 * m68k.md (zero_extend?i?i2 expander): Use gen_lowpart instead
6534 of doing the change by hand.
6536 Fri Jul 20 21:59:42 CEST 2001 Jan Hubicka <jh@suse.cz>
6538 * rtlanal.c (set_noop_p): Return true for noop jumps.
6540 * expr.c (emit_single_push_insn): Add call to push expander.
6541 * expr.h (optab_index): Add OTI_push
6542 (push_optab): New constant.
6543 * genopinit.c (optabs): Add push_optab.
6544 * optabs.c (init_optab): Init push optab.
6545 * md.texi (push??1): Document
6547 2001-07-20 Stephane Carrez <Stephane.Carrez@worldnet.fr>
6549 * config/m68hc11/m68hc11.md ("movdi", "movdi_internal"): Use an
6550 expand to emit the pattern; put a REG_INC note for push/pop
6552 ("movdf", "movdf_internal"): Likewise.
6553 ("movsi", "movsi_internal"): Likewise.
6554 ("movsf", "movsf_internal"): Likewise.
6555 ("movhi", "movqi"): Emit a REG_INC note for push/pop instructions.
6557 2001-07-20 Stephane Carrez <Stephane.Carrez@worldnet.fr>
6559 * config/m68hc11/m68hc11.c (m68hc11_gen_highpart): Don't use
6562 2001-07-20 Daniel Berlin <dan@cgsoftware.com>
6564 * params.def: Change default max inline insns to 100.
6566 2001-07-20 Diego Novillo <dnovillo@redhat.com>
6568 * combine.c (combine_simplify_rtx): Generate a new shift operation
6569 when simplifying the first operand of a (neg (ashift)) expression.
6571 2001-07-20 Roman Lechtchinsky <rl@cs.tu-berlin.de>
6573 * regclass.c (N_REG_INTS): Use only 32 bits per element.
6575 2001-07-20 Kelley Cook <kelley.cook@home.com>
6577 * doc/install.texi (sparc-sun-solaris*): Add in 4.x assembler bug
6578 information. Move rest into ...
6579 (*-*-solaris): ... here. Eliminate redundant information and
6580 reword necessary packages section. Delete 4.x assembler bug info.
6581 (sparc-sun-*): Merge into ...
6582 (sparc-sun-sunos*): here.
6584 2001-07-20 Catherine Moore <clm@redhat.com>
6586 * config/v850/v850.md (casesi): Generate LABEL_REF
6589 Fri Jul 20 14:12:57 CEST 2001 Jan Hubicka <jh@suse.cz>
6591 * i386-protos.h (ix86_zero_extend_to_Pmode): Declare.
6592 * i386.c (ix86_zero_extend_to_Pmode): Make global.
6593 * i386.md (strclrsi expander): Use it.
6595 Fri Jul 20 13:24:16 CEST 2001 Jan Hubicka <jh@suse.cz>
6597 * integrate.c (copy_insn_list): handle
6598 NOTE_INSN_DELETED_LABEL, as if it were CODE_LABEL.
6599 (copy_rtx_and_substitute): Likewise; behave to NOTE_INSN_DELETED_LABEL
6600 identically as to CODE_LABEL.
6602 * fold-const (fold): Convert A/B/C to A/(B*C) and
6605 * except.c (connect_post_landing_pads): Delete the RESX insns.
6607 2001-07-20 Aldy Hernandez <aldyh@redhat.com>
6609 * config/mips/mips.h (ISA_HAS_NMADD_NMSUB): New macro.
6611 * config/mips/mips.md (nmadd/nmsub): Use macro.
6613 2001-07-20 Nathan Sidwell <nathan@codesourcery.com>
6615 * cppinit.c (remove_dup_dir): Make static.
6616 (remove_dup_dirs): Make static. Only warn about preempting a
6617 system directory with a non-system directory.
6619 2001-07-19 Geoffrey Keating <geoffk@redhat.com>
6621 * ifcvt.c (noce_try_store_flag_constants): Correct order
6622 of parameters to trunc_int_for_mode.
6624 2001-07-19 Mark Mitchell <mark@codesourcery.com>
6626 * reorg.c (fill_simple_delay_slots): If an instruction might throw
6627 an exception that will be caught within this function, do not fill
6628 its delay slot with any subsequent instruction.
6630 2001-07-19 Steve Ellcey <sje@cup.hp.com>
6632 * tm.texi (POINTERS_EXTEND_UNSIGNED) Modify definition.
6633 * optabs.c (can_extend_p) Check HAVE_ptr_extend for a specialized
6634 pointer extension instruction.
6635 * combine.c (nonzero_bits,num_sign_bit_copies) Likewise.
6636 * simplify-rtx.c (simplify_unary_operation) Likewise.
6637 * explow.c (convert_memory_address) Check value of
6638 POINTERS_EXTEND_UNSIGNED to avoid some conversions when
6640 * config/ia64/t-hpux (LIBGCC, INSTALL_LIBGCC, MULTILIB_OPTIONS,
6641 MULTILIB_DIRNAMES, MULTILIB_MATCHES) Add multilib support.
6642 * config/ia64/hpux.h (CPP_SPEC, ASM_SPEC, SUBTARGET_SWITCHES)
6643 Add Multilib Support.
6644 (POINTERS_EXTEND_UNSIGNED) Define for ILP32 support.
6645 * config/ia64/ia64.h (MASK_ILP32, TARGET_ILP32, SUBTARGET_SWITCHES)
6646 Add Multilib Support.
6647 (POINTER_SIZE, LONG_TYPE_SIZE, MAX_LONG_TYPE_SIZE) Modify for ILP32
6649 * config/ia64/ia64.c (rtx_needs_barrier) Add support for addp4.
6650 * config/ia64/ia64.md (ptr_extend) New instruction to "swizzle"
6651 a 32 bit HP-UX pointer into a 64 bit HP-UX pointer.
6653 2001-07-19 Alexandre Oliva <aoliva@redhat.com>
6655 * simplify-rtx.c (simplify_replace_rtx): Try to obtain mode from
6656 old and new operands in `<', `3' and `b'.
6658 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
6660 * Makefile.in (emit-rtl.o, c-decl.o): Depend on debug.h.
6661 (final.o): Don't depend on xcoffout.h, dbxout.h or sdbout.h.
6662 (toplev.o): Don't depend on xcoffout.h.
6663 * c-decl.c: Include debug.h
6664 (duplicate_decls): Use debug hook.
6665 * dbxout.c (dbxout_source_file, dbxout_args): Make static.
6666 (dbx_debug_hooks, xcoff_debug_hooks): Update.
6667 (dbxout_types): Remove.
6668 * dbxout.h (dbxout_source_file, dbxout_types, dbxout_args): Remove.
6669 * debug.c (do_nothing_debug_hooks): Update.
6670 (debug_true_tree, debug_nothing_rtx): New.
6671 * debug.h (struct rtx_def): New.
6672 (struct gcc_debug_hooks): New hooks ignore_block,
6673 outlining_inline_function and label.
6674 (debug_true_tree, debug_nothing_rtx, dwarf2out_frame_init,
6675 dwarf2out_frame_finish): New.
6676 * dwarf2out.c (dwarf2out_ignore_block, dwarf2out_abstract_function):
6677 Make static, update prototype.
6678 (dwarf2_debug_hooks): Update.
6679 * dwarf2out.h (dwarf2out_ignore_block, dwarf2out_abstract_function,
6680 dwarf2out_frame_init, dwarf2out_frame_finish): Remove.
6681 * dwarfout.c (dwarf_debug_hooks): Update.
6682 * emit-rtl.c: Include debug.h.
6683 (remove_unnecessary_notes): Use debug hook.
6684 * final.c: Don't include dbxout.h, xcoffout.h or sdbout.h.
6685 (final_scan_insn): Use debug hook.
6686 * integrate.c (output_inline_function): Use debug hook.
6687 * sdbout.c (sdbout_toplevel_data, sdbout_label): Make static.
6688 (sdb_debug_hooks): Update.
6689 * sdbout.h (sdbout_label, sdbout_toplevel_data): Remove.
6690 * toplev.c: Don't include xcoffout.h.
6691 (note_outlining_of_inline_function, debug_ignore_block): Remove.
6692 * toplev.h (note_outlining_of_inline_function, debug_ignore_block):
6694 * tree.h (dwarf2out_do_frame): Remove.
6696 2001-07-19 Catherine Moore <clm@cygnus.com>
6698 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Restore.
6700 2001-07-19 Geoffrey Keating <geoffk@redhat.com>
6702 * reload1.c (eliminate_regs_in_insn): When updating a set
6703 to the frame pointer to the hardware frame pointer, perform
6704 the update always not just when REPLACE is set.
6706 * reload1.c (choose_reload_regs): Don't inherit a reload
6707 that crosses multiple registers if registers past the first
6708 don't fit in the desired class.
6710 * ifcvt.c (noce_try_store_flag_constants): Use trunc_int_for_mode
6711 when negating constants.
6713 2001-07-19 Toon Moene <toon@moene.indiv.nluug.nl>
6715 * tree.def: Document restriction on {L|R}SHIFT_EXPR's second argument.
6716 * doc/tree.texi: Ditto.
6718 2001-07-19 Mark Kettenis <kettenis@wins.uva.nl>
6719 Jakub Jelinek <jakub@redhat.com>
6721 * unwind-dw2.c (_Unwind_FrameState): Add eh_ptr.
6722 (extract_cie_info): Handle "eh" augmentation properly,
6724 (struct frame_state, __frame_state_for): New.
6726 2001-07-19 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6728 * config/alpha/osf.h (ASM_OUTPUT_WEAK_ALIAS, ASM_WEAKEN_LABEL,
6729 HANDLE_SYSV_PRAGMA): Define.
6730 * mips-tfile.c (add_ext_symbol): Pass complete symbol ptr, inline
6732 (copy_object): Caller changed.
6734 2001-07-19 Andreas Schwab <schwab@suse.de>
6736 * configure.in (assembler dwarf2 debug_line support): Define nop
6738 * configure: Regenerated.
6740 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
6742 * Makefile.in (toplev.o, dwarfout.o, final.o): Don't depend on
6744 * dbxout.c (dbxout_function): Rename dbxout_funciton_decl, move
6745 to conditionally compiled block.
6746 (dbx_debug_hooks, xcoff_debug_hooks): Update.
6747 * dbxout.h (dbxout_function): Remove.
6748 * debug.c (do_nothing_debug_hooks): Update.
6749 * debug.h (struct gcc_debug_hooks): New hooks function_decl,
6750 global_decl, deferred_inline_function.
6751 * dwarf2out.c (dwarf2_debug_hooks): Update.
6752 (dwarf2out_global_decl): New.
6753 * dwarfout.c: Don't include dwarfout.h.
6754 (dwarfout_global_decl, dwarfout_function_decl,
6755 dwarfout_deferred_inline_function): New.
6756 (dwarf_debug_hooks): Update.
6757 * dwarfout.h: Remove.
6758 * final.c: Don't include dwarfout.h.
6759 * sdbout.c (sdbout_global_decl): New.
6760 (sdbout_debug_hooks): Update.
6761 * toplev.c: Don't include dwarfout.h.
6762 (check_global_declarations, rest_of_compilation): Use new debug hooks.
6763 (note_deferral_of_defined_inline_function): Remove.
6764 * toplev.h (note_deferral_of_defined_inline_function): Remove.
6765 * ch/Makefile.in (lex.o): No dependence on dwarfout.h.
6766 * ch/lex.c: Don't include dwarfout.h.
6767 * cp/Make-lang.in (decl2.o): No dependence on dwarfout.h, dwarf2out.h.
6768 (semantics.o, optimize.o): Depend on debug.h not dwarfout.h.
6769 * cp/decl2.c: Don't include dwarfout.h and dwarf2out.h.
6770 * cp/optimize.c: Include debug.h.
6771 (maybe_clone_body): Use debug hook.
6772 * cp/semantics.c: Include debug.h.
6773 (expand_body): Use debug hook.
6774 * po/POTFILES.in: Remove dwarfout.h.
6776 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
6778 * c-lex.c (c_lex): Remove CPP_INT, CPP_FLOAT cases.
6779 * c-parse.in (yyerror, _yylex): Similarly.
6780 * cppexp.c (parse_number, parse_defined, lex, _cpp_parse_expr):
6781 Don't use CPP_INT, CPP_FLOAT; CPP_NUMBER is enough.
6783 * cpplib.h (CPP_INT, CPP_FLOAT): Remove.
6784 * cp/spew.c (read_token, yyerror): Remove CPP_INT, CPP_FLOAT cases.
6786 2001-07-18 Jeff Sturm <jsturm@one-point.com>
6788 * dwarf2out.c (dwarf2out_abstract_function): Don't emit
6789 in-class declaration at -g1. Fixes c++/2814.
6791 2001-07-18 Richard Henderson <rth@redhat.com>
6793 * doc/md.texi (reload_in/out): Document restrictions in predicates
6794 and constraints for these patterns. Document empty string matching
6797 2001-07-18 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6799 * defaults.h (ASM_OUTPUT_WEAK_ALIAS): Check for ASM_WEAKEN_LABEL.
6801 Wed Jul 18 20:47:36 CEST 2001 Jan Hubicka <jh@suse.cz>
6803 * cse.c: Undo my previous patch.
6805 2001-07-18 Tom Tromey <tromey@redhat.com>
6808 * configure: Rebuilt.
6809 * configure.in: Don't check for iconv.h or iconv(); use AM_ICONV
6811 * aclocal.m4 (AM_ICONV): New macro from Bruno Haible.
6813 Wed Jul 18 18:46:30 CEST 2001 Richard Henderson <rth@cygnus.com>
6814 Jan Hubicka <jh@suse.cz>
6816 * flow.c (redirect_edge_and_branch): Bail out on complex edges.
6817 (try_optimize_cfg): Do not remove tail recursive labels before sibcall.
6818 * jump.c (mark_jump_label): Do not forward branches.
6820 Wed Jul 18 18:35:01 CEST 2001 Jan Hubicka <jh@suse.cz>
6822 * cse.c (delete_trivially_dead_insns): Delete the libcall block
6823 when return value is unused.
6825 Wed Jul 18 18:28:16 CEST 2001 Jan Hubicka <jh@suse.cz>
6827 * gcse.c (pre_insert_copy_insn): Call update_ld_motion_stores.
6829 Wed Jul 18 12:05:29 2001 Nicola Pero <n.pero@mi.flashnet.it>
6831 * gthr-posix.h (__gthread_objc_mutex_trylock): Fixed return value
6832 on error. We can't blindly return the result of
6833 pthread_mutex_trylock because it returns a positive number on
6834 error, while we must return -1 on error.
6835 (__gthread_objc_mutex_lock, __gthread_objc_mutex_unlock): Similar
6837 Reported by Stephen Brandon <stephen@brandonitconsulting.co.uk>.
6839 2001-07-18 Andreas Jaeger <aj@suse.de>
6841 * integrate.c (output_inline_function): Correct type of debug_hooks.
6843 2001-07-18 Toon Moene <toon@moene.indiv.nluug.nl>
6845 * combine.c (combine_simplify_rtx): DIV can be treated
6846 associatively for floats if unsafe math optimisations are enabled.
6848 2001-07-17 Richard Henderson <rth@redhat.com>
6850 * reload.c (push_secondary_reload): Accept empty-string for ALL_REGS.
6852 2001-07-17 Richard Henderson <rth@redhat.com>
6854 * calls.c (prepare_call_address): New parameter SIBCALLP. If true,
6855 don't force the function address into a register.
6856 (expand_call, emit_library_call_value_1): Update callers.
6857 * builtins.c (expand_builtin_apply): Likewise.
6858 * expr.h (prepare_call_address): Update decl.
6860 2001-07-17 Chandrakala Chavva <cchavva@redhat.com>
6862 * config.gcc: For *-*-chorusos triplet, get chorus.h file from
6864 * config/i386/chorus.h: Move up.
6865 * config/sparc/chorus.h: Likewise.
6866 * config/rs6000/chorus.h: Likewise.
6867 * config/chorus.h: Moved here.
6869 2001-07-17 Andreas Schwab <schwab@suse.de>
6871 * configure.in (assembler eh_frame optimization): Handle big
6873 * configure: Regenerated.
6875 Tue Jul 17 23:43:31 CEST 2001 Jan Hubicka <jh@suse.cz>
6877 * expr.c (epxand_expr): Convert divisions into multiplications by
6878 reciprocals if -ffast-math.
6880 2001-07-17 Neil Booth <neil@daikokuya.demon.co.uk>
6882 * dbxout.c (dbxout_really_begin_function): Rename to
6883 dbxout_begin_function.
6884 (dbx_debug_hooks, xcoff_debug_hooks): Update.
6885 (dbxout_begin_function): Remove.
6886 (dbxout_function): Update.
6887 (dbxout_source_line): Update prototype.
6888 * dbxout.h (dbxout_begin_function): Remove.
6889 * debug.c (do_nothing_debug_hooks): Update.
6890 (debug_nothing_tree): Update.
6891 (debug_nothing_charstar_rtx): Remove.
6892 * debug.h (union tree_node): Declare.
6893 (struct rtx_def): Remove.
6894 (gcc_debug_hooks): New hooks begin_prologue, end_prologue,
6895 begin_function. Change source_line prototype.
6896 (debug_nothing_tree): New.
6897 (debug_nothing_charstar_rtx): Delete.
6898 (dwarf2out_begin_prologue): Moved from ...
6900 * dwarf2out.c (dwarf2_debug_hooks): Update.
6901 (dwarf2out_begin_prologue): Update prototype. If genuine dwarf2
6902 debug info, call dwarf2out_source_line.
6903 (dwarf2out_souce_line): Update prototype.
6904 * dwarfout.c (dwarfout_begin_function): Rename dwarfout_end_prologue.
6905 Change prototype, make static.
6906 (dwarfout_source_line): Update prototype.
6907 (dwarf_debug_hooks): Update.
6908 * dwarfout.h (dwarfout_begin_function): Remove.
6909 * final.c (final_start_function, final_scan_insn): Use appropriate
6910 debug hooks, update to use notice_source_line.
6911 (output_source_line): Rename notice_source_line. Don't call the
6912 source_line debug hook.
6913 * sdbout.c (sdbout_begin_function): Rename sdbout_begin_prologue,
6914 make static, update prototype.
6915 (sdbout_mark_begin_function): Rename sdbout_begin_function, update
6917 (sdbout_end_prologue): New.
6918 (sdbout_source_line): Update prototype.
6919 (sdbout_debug_hooks): Update.
6920 (sdbout_symbol): Remove unused var.
6921 * sdbout.h (sdbout_begin_function, sdbout_mark_begin_function):
6923 * varasm.c: Include debug.h.
6924 (assemble_start_function): Use begin_function debug_hook.
6925 * xcoffout.c (xcoffout_begin_prologue): Rename xcoffout_begin_function,
6926 update with prototype.
6927 (xcoffout_source_line): Update prototype.
6928 * xcoffout.h (xcoffout_begin_prologue): Rename xcoffout_begin_function,
6930 (xcoffout_source_line): Update prototype.
6932 2001-07-17 Richard Henderson <rth@redhat.com>
6934 * c-typeck.c (build_binary_op): Do not shorten unsigned
6935 right shift after sign extension.
6937 Tue Jul 17 16:56:05 CEST 2001 Jan Hubicka <jh@suse.cz>
6939 * combine.c (combine_simplify_rtx): Attempt to simplify
6940 a*(b/c) as (a*b)/c for floats in unsafe_math mode.
6942 * simplify-rtx.c (avoid_constatn_pool_reference): New static function.
6943 (simplify_binary_operation, simplify_unary_operation,
6944 simplify_relational_operation): Use it.
6946 * combine.c (combine_simplify_rtx): Don't do associative law
6947 on divisions; allow associative law on floats.
6949 2001-07-17 H.J. Lu <hjl@gnu.org>
6950 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6952 * c-pragma.h (HANDLE_PRAGMA_WEAK): Define iff ASM_WEAKEN_LABEL and
6953 ASM_OUTPUT_WEAK_ALIAS are defined.
6954 * defaults.h (ASM_OUTPUT_WEAK_ALIAS): Define if possible.
6955 * config/mips/iris6.h (ASM_OUTPUT_WEAK_ALIAS, ASM_WEAKEN_LABEL):
6957 * config/mips/iris5.h: ... here.
6958 (HANDLE_SYSV_PRAGMA): Defined as 1.
6959 * varasm.c (weak_finish): Use ASM_OUTPUT_WEAK_ALIAS.
6960 * doc/tm.texi (ASM_OUTPUT_WEAK_ALIAS): Support the undefined weak
6963 2001-07-17 Joseph S. Myers <jsm28@cam.ac.uk>
6965 * c-parse.in (all_prefix_attributes): New variable.
6966 (PUSH_DECLSPEC_STACK, POP_DECLSPEC_STACK): New macros.
6967 (maybe_resetattrs): New production.
6968 (c_parse_init, datadef, fndef, datadecl, setspecs, setattrs, decl,
6969 maybe_type_quals_setattrs, initdecls, notype_initdecls, initdcl,
6970 notype_initdcl, nested_function, notype_nested_function,
6971 component_decl, components, components_notype,
6972 component_declarator, component_notype_declarator,
6973 absdcl_maybe_attribute, parm, firstparm, setspecs_fp, ivar_decl,
6974 ivars, mydecl, myparm): Update. Avoid prefix attributes just
6975 after a comma being applied to more than one declarator.
6976 * doc/extend.texi (Attribute Syntax): Update. Remove
6977 documentation of bugs that are no longer present.
6979 2001-07-13 Eric Christopher <echristo@redhat.com>
6981 * config/mips/mips.h: Change TUNE_MIPS* options to use
6983 (EXTRA_SPECS): Add cc1_cpu_spec.
6984 * config/mips/mips.md (muldf3): Fix typo.
6986 2001-07-16 Richard Henderson <rth@redhat.com>
6988 * config/m68k/m68k.c: Include expr.h and reload.h.
6989 (print_operand_address) [16 bit int]: Cast INTVAL to int for %d.
6990 [general int]: Use HOST_WIDE_INT_PRINT_DEC.
6992 2001-07-16 Daniel Berlin <dan@cgsoftware.com>
6993 Richard Henderson <rth@redhat.com>
6995 * cse.c (set_live_p): Take INSN argument for cc0; update callers.
6996 (insn_live_p): Fix fall off end of function.
6997 (dead_libcall_p): Remove COUNTS argument; update callers.
6998 (delete_trivially_dead_insns): Remove unused variables.
7000 2001-07-17 Andreas Jaeger <aj@suse.de>
7002 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Fix output format for
7005 * lcm.c (optimize_mode_switching): Avoid warning for unused
7006 variable if !NORMAL_MODE.
7008 * flow.c (try_crossjump_to_edge): Remove unused variable.
7010 2001-07-16 John David Anglin <dave@hiauly1.hia.nrc.ca>
7012 * inclhack.def (ultrix_atexit_param): New hack to fix ultrix 4.3
7013 atexit declaration in stdlib.h.
7015 2001-07-16 Richard Begg <Richard.Begg@colesmyer.com.au>
7017 * fixinc/inclhack.def(hpux_vsnprintf): brokenness in stdio.h
7019 Mon Jul 16 22:48:00 CEST 2001 Jan Hubicka <jh@suse.cz>
7021 * basic-block.h (CLEANUP_PRE_SIBCALL): New constant.
7022 * except.c (finish_eh_generation): Update call of cleanup_cfg;
7023 do rebuild_jump_labels instead of jump_optimize
7024 * sibcall.c (optimize_sibling_and_tail_recursive_call): Likewise.
7025 * toplev.c (rest_of_compulation): Likewise for -Wreturn_type.
7026 * flow.c (try_optimize_cfg): Remove unneeded code_labels.
7028 * flow.c: Include timevar.h
7029 (find_basic_block): Push/pop timevar;
7030 (cleanup_cfg): Likewise.
7031 * timevar.def (TV_CFG, TV_CLEANUP_CFG): New.
7032 * Makefile: Add dependencies on timevar.h
7034 * integrate.c (save_for_inline): Kill all BASIC_BLOCK notes.
7035 (copy_insn_list): Avoid killing of BASIC_BLOCK notes.
7037 * rtl.h (delete_trivially_dead_insns): Add new parameter.
7038 * toplev.c (rest_of_compilation): Update calls.
7039 * cse.c (set_live_p, insn_live_p, dead_libcall_p): Break out from ...
7040 (delete_trivially_dead_insns): ... here; accept new argument
7041 preserve_basic_blocks; preserve basic blocks if set.
7043 * reg-stack.c (stack_regs_mentioned): Return 0 if
7044 stack_regs_mentioned_data is not initialized.
7045 (reg_to_stack): Make stack_regs_mentioned survive after the
7046 reg-stack is completted; do not call cleanup_cfg.
7047 * toplev.c (rest_of_compilation): Do cleanup_cfg before bb-reorder;
7048 make cleanup_cfg after bb-reorder to output to debug file.
7050 2001-07-16 Richard Henderson <rth@redhat.com>
7052 * regclass.c (init_reg_sets): Use only 32 bits per initializer
7053 from int_reg_class_contents.
7055 2001-07-16 Richard Henderson <rth@redhat.com>
7057 * hard-reg-set.h (regs_invalidated_by_call): Declare.
7058 * regclass.c (regs_invalidated_by_call): Move from cse.c.
7059 (init_reg_sets_1): Move initialization from cse_main.
7060 * cse.c (regs_invalidated_by_call): Move to regclass.c.
7061 (cse_main): Move its initialization also.
7062 * df.c (df_insn_refs_record): Use regs_invalidated_by_call.
7063 * flow.c (propagate_one_insn): Likewise.
7064 * gcse.c (compute_hash_table): Likewise.
7065 (compute_kill_rd, compute_store_table): Likewise.
7066 * sched-deps.c (sched_analyze_1): Likewise.
7068 Mon Jul 16 18:07:07 2001 J"orn Rennecke <amylaar@redhat.com>
7070 * gcse.c (pre_insert_copy_insn): Use gen_move_insn instead of
7073 2001-07-16 Steve Ellcey <sje@cup.hp.com>
7075 * dominance.c (calc_dfs_tree_nonrec): Reverse order of tests
7076 in if statement so we don't access undefined memory.
7078 2001-07-16 Daniel Berlin <dan@cgsoftware.com>
7080 * gcse.c: Update comment at top.
7081 Update comment on mem handling.
7082 mem_last_set, mem_first_set, mem_set_in_block: gone.
7083 Declaration of reg_set_info: gone.
7084 (oprs_unchanged_p): Don't use mem_*set_* anymore. They are
7085 pointless with load_killed_in_block_p (they are *more*
7086 conservative then it, not less, and less accurate).
7087 (oprs_not_set_p): Ditto.
7088 (alloc_gcse_mem): Don't allocate mem_set_in_block
7089 (free_gcse_mem): Don't free it, either.
7090 (record_last_mem_set_info): Update comment in front, remove
7091 mem_*set_* stuff. Note the reason we don't handle stores directly
7093 (compute_hash_table): Update comments to reflect reality. Remove
7094 mem_*set_* references.
7095 (reset_opr_set_tables): Remove mem_*set_* references.
7097 (mark_set): Ditto. Also remove double sets of bitmaps for REG's.
7098 (mark_clobber): Ditto (on both parts, we double set here too).
7099 (expr_killed_p): Remove mem_set_in_block test.
7100 (compute_transp): Remove mem_set_in_block test.
7102 * ssa-ccp.c: (optimize_unexecutable_edges): Add note about removal
7103 of edge, and removal of phi alternative to dump file.
7104 (ssa_ccp_substitute_constants): Add note about register now being
7105 constant, and which uses were replaced in what insns to dump file.
7107 2001-07-16 Andreas Jaeger <aj@suse.de>
7109 * gcov.c (output_data): Use HOST_WIDEST_INT_PRINT_DEC to output
7110 variables of type HOST_WIDEST_INT.
7112 * libgcc2.c (__bb_exit_func): Handle gcov_type as long long.
7113 (__bb_exit_func): Correct type of count_max to avoid overflow.
7114 (num_digits): Handle long long argument.
7116 * combine.c (gen_lowpart_for_combine): Remove unused variable.
7118 2001-07-16 Neil Booth <neil@cat.daikokuya.demon.co.uk>
7120 * output.h (sdb_begin_function_line): Restore as an extern
7122 * sdbout.c (sdb_begin_function_line): Make extern.
7124 2001-07-15 Richard Henderson <rth@redhat.com>
7126 * machmode.def (Pmode): Redefine if GENERATOR_FILE.
7127 * genrecog.c (maybe_both_true_mode): New.
7128 (maybe_both_true_2): Use it.
7129 (write_switch): Don't put Pmode in a switch.
7130 * rtl.c (mode arrays): Don't explicitly size them.
7132 Sun Jul 15 14:07:36 CEST 2001 Jan Hubicka <jh@suse.cz>
7134 * toplev.c (rest_of_compilation): Fix register_life_up_to_date
7135 handling; move unconditional splitting before mode switching.
7137 * i386.md (type): Add fistp type.
7138 (i387, length_attr, scheduling definitions): Handle this type.
7139 (fix_trunc?f?i2): Revamp to use mode switching.
7140 (fix_trunct?f?i_nonmemory, fix_trunc?f?i_memory): New patterns.
7141 * i386.h (fp_cw_mode): New enum
7142 (OPTIMIZE_MODE_SWITCHING, NUM_MODES_FOR_MODE_SWITCHING, MODE_NEEDED,
7143 MODE_PRIORITY_TO_MODE, ENUM_MODE_SET): New macros.
7145 Sun Jul 15 12:53:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7147 * Makefile.in (integrate.o): Add debug.h.
7148 * integrate.c (debug.h): Add.
7149 (output_inline_function): Save, reset, and restore debug_hooks.
7151 2001-07-15 Richard Henderson <rth@redhat.com>
7153 * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use CCmode
7154 instead of COMPARE for the EQUIV expression.
7156 2001-07-15 Richard Henderson <rth@redhat.com>
7158 * flow.c (redirect_edge_and_branch_force): Initialize
7159 global_live_at_start and global_live_at_end.
7160 (allocate_bb_life_data): Export.
7161 * basic-block.h (allocate_bb_life_data): Declare.
7162 * toplev.c (rest_of_compilation): Call it.
7164 2001-07-15 Richard Henderson <rth@redhat.com>
7166 * config/alpha/alpha.c (alpha_tablejump_addr_vec): New.
7167 (alpha_tablejump_best_label): New.
7168 * config/alpha/alpha-protos.h: Declare them.
7169 * config/alpha/alpha.md: Use braced strings for code blocks.
7170 (tablejump_osf): Break out add with r29.
7171 (tablejump_osf_internal): Remove.
7172 (tablejump_osf_nt_internal): Rename from tablejump_nt_internal,
7173 use alpha_tablejump_addr_vec and alpha_tablejump_best_label.
7175 Sun Jul 15 00:53:35 CEST 2001 Jan Hubicka <jh@suse.cz>
7177 * loop.c (scan_loop): Add USEs inside PARALLELs into dependencies
7180 * toplev.c (rest_of_compilation): Allow new pseudoes for mode switching.
7182 * i386-protos.h (ix86_split_fp_branch): Update prototype.
7183 (ix86_fp_jump_nontrivial_p): New.
7184 * i386.md (fp_jcc_?): Update call of split_fp_branch;
7185 use ix86_fp_jump_nontrivial_p.
7186 * i386.c (ix86_fp_jump_nontrivial_p): New.
7187 (ix86_split_fp_branch): Accept code instead of rtx.
7188 (ix86_expand_compare): Expand comparison early in case
7189 doing so is resonably cheap.
7191 2001-07-15 Nick Clifton <nickc@cambridge.redhat.com>
7193 * config/rs6000/sysv4.h (CPP_ENDIAN_BIG_SPEC): Assert 'endian'
7195 (CPP_ENDIAN_LITTLE_SPEC): Assert 'endian' not 'machine'.
7196 (CPP_ENDIAN_SOLARIS_SPEC): Assert 'endian' not 'machine'.
7198 2001-07-15 Neil Booth <neil@daikokuya.demon.co.uk>
7200 * dbxout.c (dbxout_source_line): Make static, update prototype.
7201 (dbx_debug_hooks, xcoff_debug_hooks): Add new hooks.
7202 (dbxout_init, dbxout_finish, dbxout_source_line,
7203 dbxout_begin_block, dbxout_end_block): Update for new prototypes.
7204 * dbxout.h (dbxout_source_line): Delete.
7205 * debug.c (debug_nothing_file, debug_nothing_file_int,
7206 debug_nothing_file_charstar_rtx): New.
7207 (do_nothing_debug_hooks): Update.
7208 (debug_nothing_void, debug_nothing_charstar_rtx,
7209 dwarf2out_end_epilogue): New.
7210 (debug_nothing_file_charstar, debug_nothing_file_int_int): Rename.
7211 * debug.h (struct rtx_def): Declare.
7212 (gcc_debug_hooks): New hooks source_line, end_epilogue
7214 (debug_nothing_void, debug_nothing_charstar_rtx,
7215 dwarf2out_end_epilogue): New.
7216 (debug_nothing_file_charstar, debug_nothing_file_int_int): Rename.
7217 * dwarf2out.c (dwarf2out_source_line): Make static, update prototype.
7218 (dwarf2_debug_hooks): Update.
7219 (dwarf2out_init, dwarf2out_finish, dwarf2out_source_line,
7220 dwarf2out_begin_block, dwarf2out_end_block): Update for new prototypes.
7221 * dwarf2out.h (dwarf2out_source_line): Remove.
7222 * dwarfout.c (dwarfout_end_epilogue, dwarfout_end_function):
7223 Make static, update prototype.
7224 (dwarfout_init, dwarfout_finish, dwarfout_source_line,
7225 dwarfout_begin_block, dwarfout_end_block): Update for new prototypes.
7226 (dwarf_debug_hooks): Update.
7227 * dwarfout.h (dwarfout_end_epilogue, dwarfout_source_line,
7228 dwarfout_end_function): Remove.
7229 * final.c (profile_function): Use debug hooks for ending functions
7231 (output_source_line, final_end_function): Update prototype,
7233 (final_start_function, final_scan_insn): Update.
7234 * output.h (sdb_begin_function_line): Remove.
7235 (final_end_function): Update prototype.
7236 * sdbout.c (sdb_begin_function_line): Make static.
7237 (PUT_SDB_EPILOGUE_END): Move to sdbout_end_epilogue.
7238 (sdbout_source_line): New.
7239 (sdbout_end_epilogue, sdbout_end_function): Make static, update
7241 (sdb_debug_hooks): Update.
7242 (sdbout_init, sdbout_source_line,
7243 sdbout_begin_block, sdbout_end_block): Update for new prototypes.
7244 * sdbout.h (sdbout_end_epilogue, sdbout_end_function): Remove.
7245 * toplev.c (compile_file, rest_of_compilation): Update.
7246 * tree.h (dwarf2out_end_epilogue): Move to debug.h.
7247 * xcoffout.c (xcoffout_source_line, xcoffout_begin_block,
7248 xcoffout_end_block, xcoffout_end_epilogue, xcoffout_end_function):
7249 Update for prototype changes.
7250 * xcoffout.h (xcoffout_source_line, xcoffout_begin_block,
7251 xcoffout_end_block, xcoffout_end_epilogue): Update prototypes.
7253 2001-07-15 Richard Henderson <rth@redhat.com>
7255 * config/alpha/alpha.h (TARGET_ABI_OSF): New.
7256 (TARGET_ABI_WINDOWS_NT, TARGET_ABI_OPEN_VMS): Rename; update users.
7257 * config/alpha/alpha-protos.h: Update TARGET_ABI_* users.
7258 * config/alpha/alpha.c: Likewise.
7259 * config/alpha/alpha.md: Likewise.
7260 * config/alpha/alpha32.h: Likewise.
7261 * config/alpha/vms.h: Likewise.
7264 2001-07-14 Richard Henderson <rth@redhat.com>
7266 * config/alpha/alpha.md: Use define_constants for unspec values.
7267 Substitute throughout.
7269 2001-07-14 Tim Josling <tej@melbpc.org.au>
7271 * tree.def (EXPON_EXPR) remove. Never supported anyway.
7273 2001-07-14 John David Anglin <dave@hiauly1.hia.nrc.ca>
7275 * pa.md: Remove unused constraints from define_split's.
7277 2001-04-14 Richard Henderson <rth@redhat.com>
7279 * ifcvt.c (find_cond_trap): Test for exit block.
7281 Sun Jul 15 00:50:20 CEST 2001 Jan Hubicka <jh@suse.cz>
7283 Re-install recently reverted patch.
7284 * emit-rtl.c (try_split): Update mark_jump_label call.
7285 * flow.c (find_sub_basic_blocks): Likewise.
7286 * jump.c (cross_jump_death_matters, find_cross_jump, do_cross_jump,
7288 (mark_all_labels): Kill second parameter.
7289 (jump_optimize, jump_optimize_1): Kill cross_jump parameter.
7290 (rebuild_jump_labels, jump_optimize_minimal): Update call
7292 (jump_optimize_1): Kill crossjumping code.
7293 (mark_jump_label): Kill cross_jump parameter.
7294 * rtl.h (mark_jump_label, jump_optimize): Update prototypes.
7295 (JUMP_CROSS_JUMP, JUMP_CROSS_JUMP_DEATH_MATTERS): Kill.
7296 * reg-stack.c (reg_to_stack): Do not rebuild if not needed; do
7298 * toplev.c (enum dump_file_index): Kill DFI_jump2; put DFI_stack before
7300 (dump_file_info): Likewise.
7301 (rest_of_compilation): Update calls to jump_optimize; kill jump2 pass;
7302 reorganize passes to do reg-stack first, bb-reorder second.
7303 * invoke.texi (-d letters doc): Remove the jump2 pass.
7305 2001-07-14 Richard Henderson <rth@redhat.com>
7307 * ifcvt.c (find_cond_trap): New.
7308 (find_if_header): Call it.
7309 (merge_if_block): Relax existing jump sanity check.
7310 * jump.c (jump_optimize_1): Remove conditional trap handling.
7312 2001-07-14 Alan Modra <amodra@bigpond.net.au>
7314 * config/pa/pa.c (emit_hpdiv_const): Return reg is r2 for 64-bit
7316 (insn_refs_are_delayed): Correct comment.
7317 * config/pa/pa.h (INSN_REFERENCES_ARE_DELAYED): Likewise.
7318 * config/pa/pa.md (mulsi3): If TARGET_64BIT, clobber r2
7319 instead of r31. Make associated insn !TARGET_64BIT, and
7320 provide an additional 64-bit insn that clobbers r2.
7322 (udivsi3): Likewise.
7324 (umodsi3): Likewise.
7326 Sat Jul 14 02:58:38 CEST 2001 Jan Hubicka <jh@suse.cz>
7328 * bb-reorder.c (skip_insn_after_block): Get past the line number notes.
7330 * flow.c (redirect_edge_and_branch_force, split_edge,
7331 try_crossjump_to_edge): Use set_block_for_new_insns.
7332 * bb-reorder.c (emit_jump_to_block_after): Call set_block_for_new_insns.
7334 2001-07-13 H.J. Lu (hjl@gnu.org)
7336 * config/elfos.h (UNIQUE_SECTION): Enable .bss section with
7339 2001-07-13 Geoffrey Keating <geoffk@redhat.com>
7341 Revert H.J. Lu's UNIQUE_SECTION patch of 2001-07-13.
7343 2001-07-13 Joseph S. Myers <jsm28@cam.ac.uk>
7345 * c-common.c (decl_attributes): Take a pointer to the node to
7346 which attributes are to be attached, and a flags argument.
7347 * c-common.h (enum attribute_flags): New.
7348 (decl_attributes): Update prototype.
7349 * c-decl.c (start_decl, push_parm_decl, finish_struct,
7350 finish_enum, start_function): Update calls to decl_attributes.
7351 * c-parse.in (component_declarator, component_notype_declarator,
7352 label): Update calls to decl_attributes.
7354 Fri Jul 13 23:04:00 2001 Denis Chertykov <denisc@overta.ru>
7356 * config/avr/avr.md (strlenhi): PARALLEL keyword removed.
7357 * config/avr/avr.c (legitimate_address_p): Return value changed
7358 from letter to register classes. For better debugging.
7360 2001-07-13 Kazu Hirata <kazu@hxi.com>
7362 * jump.c (reversed_comparison_code_parts): Fix comment typos.
7364 2001-07-13 H.J. Lu (hjl@gnu.org)
7366 * config/elfos.h (UNIQUE_SECTION): Enable .bss section.
7368 2001-07-13 Marc Espie <espie@cvs.openbsd.org>
7370 * config.gcc (*-*-openbsd*): Add fragment to compile libgcc
7371 correctly for shared configurations.
7372 * config/t-libgcc-pic: New.
7373 * config/{i386,m68k,sparc}/t-openbsd: New.
7374 * config/openbsd.h: Include cpu_spec in cpp_spec where needed.
7375 Support -shared. Support debugging libraries with -g.
7376 * config/i386/openbsd.h: Correct ASM_COMMENT_START. Ensure dwarf2
7377 frame information does not emit pointer diffs.
7378 * config/sparc/openbsd.h: Ensure dwarf2 frame information does not
7381 2001-07-13 Geoffrey Keating <geoffk@redhat.com>
7383 Revert Jan Hubicka's patch of Fri Jul 13 14:46:21 CEST 2001.
7385 2001-07-13 David Edelsohn <edelsohn@gnu.org>
7387 * combine.c (try_combine): Ensure const_int pow2 is positive.
7389 2001-07-13 Hartmut Penner <hpenner@de.ibm.com>
7391 * config.gcc: Add configuration for s/390.
7392 * config/s390/s390.c: New. Subroutines for code generation.
7393 * config/s390/s390.h: New. Definitions for s/390.
7394 * config/s390/s390-protos.h: New. Prototypes.
7395 * config/s390/linux.h: New. Definitions for linux for s/390.
7396 * config/s390/linux64.h: New. Definitions for linux for zSeries.
7397 * config/s390/t-linux: New. Makefile fragment.
7398 * config/s390/s390.md: New. Machine description for s/390 and zSeries.
7399 * config/s390/fixdfdi.h: New. Fix L_fix*di.
7401 Fri Jul 13 14:46:21 CEST 2001 Jan Hubicka <jh@suse.cz>
7403 * emit-rtl.c (try_split): Update mark_jump_label call.
7404 * flow.c (find_sub_basic_blocks): Likewise.
7405 * jump.c (cross_jump_death_matters, find_cross_jump, do_cross_jump,
7407 (mark_all_labels): Kill second parameter.
7408 (jump_optimize, jump_optimize_1): Kill cross_jump parameter.
7409 (rebuild_jump_labels, jump_optimize_minimal): Update call
7411 (jump_optimize_1): Kill crossjumping code.
7412 (mark_jump_label): Kill cross_jump parameter.
7413 * rtl.h (mark_jump_label, jump_optimize): Update prototypes.
7414 (JUMP_CROSS_JUMP, JUMP_CROSS_JUMP_DEATH_MATTERS): Kill.
7415 * reg-stack.c (reg_to_stack): Do not rebuild if not needed; do
7417 * toplev.c (enum dump_file_index): Kill DFI_jump2; put DFI_stack before
7419 (rest_of_compilation): Update calls to jump_optimize; kill jump2 pass;
7420 reorganize passes to do reg-stack first, bb-reorder second.
7421 * invoke.texi (-d letters doc): Remove the jump2 pass.
7423 2001-07-12 Steve Ellcey <sje@cup.hp.com>
7425 * toplev.c (compile_file): Put call of ASM_FILE_START inside ifdef.
7427 Thu Jul 12 17:57:16 CEST 2001 Jan Hubicka <jh@suse.cz>
7429 * flow.c (try_optimize_cfg): Delete whole chain of trivially dead
7431 (verify_flow_info): Make diagnostics prettier.
7433 Thu Jul 12 16:48:54 CEST 2001 Jan Hubicka <jh@suse.cz>
7435 * flow.c (find_basic_blocks_1): Do not emit NOP after call.
7437 * flow.c (outgoing_edges_match): Return early if condition reversal
7440 2001-07-06 Richard Sandiford <rsandifo@redhat.com>
7442 * config/mips/mips.c (print_operand): Extend '%D' to memory operands.
7443 (mips_move_2words): When splitting a move into two instructions,
7444 prefix the second address operand with '%D'.
7446 2001-07-12 Neil Booth <neil@daikokuya.demon.co.uk>
7448 * Makefile.in (final.o): Depend on debug.h.
7449 * dbxout.c (dbxout_begin_block, dbxout_end_block): New.
7450 (dbx_debug_hooks): Add new hooks.
7451 (xcoff_debug_hooks): New.
7452 * debug.c (debug_nothing_file_int_int): New.
7453 (do_nothing_debug_hooks): Update.
7454 * debug.h (gcc_debug_hooks): New hooks begin_block and end_block.
7455 (debug_nothing_file_int_int): New.
7456 * dwarf2out.c (dwarf2out_begin_block, dwarf2out_end_block): Make
7457 static, update prototype.
7458 (dwarf2_debug_hooks): Update.
7459 * dwarf2out.h (dwarf2out_begin_block, dwarf2out_end_block): Remove.
7460 * dwarfout.c (dwarfout_begin_block, dwarfout_end_block): Make
7461 static, update prototype.
7462 (dwarf_debug_hooks): Update.
7463 * dwarfout.h (dwarfout_begin_block, dwarfout_end_block): Remove.
7464 * final.c: Include debug.h.
7465 (final_scan_insn): Use debug hooks when beginning and ending blocks.
7466 * sdbout.c (sdbout_begin_block, sdbout_end_block): Make
7467 static, update prototype.
7468 (sdb_debug_hooks): Update.
7469 * sdbout.h (sdbout_begin_block, sdbout_end_block): Remove.
7470 * toplev.c: Distinguish between xcoff and dbx.
7472 * f/lex.c (ffelex_file_pop_, ffelex_file_push_, ffelex_hash_):
7473 Call all debug hooks, not just dwarf ones.
7475 2001-07-11 Timothy Wall <twall@redhat.com>
7477 * config.gcc: Add configuration for AIX5/IA64.
7478 * config/ia64/aix.h: New. AIX5/IA64-specific configuration.
7479 * config/ia64/crt[in].asm: New. Generic static ctor/dtor
7480 support prefix/suffix code.
7481 * config/ia64/t-aix: New. Makefile fragment.
7482 * config/ia64/unwind-aix.c: New. Unwind table entry lookup.
7484 2001-07-11 Kazu Hirata <kazu@hxi.com>
7486 * recog.c (validate_change): Fix a comment typo.
7488 2001-07-11 Neil Booth <neil@daikokuya.demon.co.uk>
7490 * Makefile.in (c-lex.o): Wrap long lines. Depend on debug.h.
7491 * c-lex.c (cb_file_change, cb_define, cb_undef): Use debug
7493 * dbxout.c (dbx_debug_hooks): Add new hooks.
7494 (dbxout_start_new_source_file): Rename dbxout_start_source_file,
7496 (dbxout_resume_previous_source_file): Rename dbxout_end_source_file,
7498 * dbxout.h (dbxout_start_new_source_file,
7499 dbxout_resume_previous_source_file): Delete.
7500 * debug.c (do_nothing_debug_hooks): Add new hooks.
7501 (debug_nothing_init_finish): Rename debug_nothing_file_charstar.
7502 (debug_nothing_int_charstar, debug_nothing_int): New.
7503 * debug.h (gcc_debug_hooks): New hooks define, undef,
7504 start_source_file and end_source_file.
7505 (debug_nothing_init_finish): Rename debug_nothing_file_charstar.
7506 (debug_nothing_int_charstar, debug_nothing_int): New.
7507 * dwarf2out.c (dwarf2_debug_hooks): Add new hooks. Move into
7508 the conditionally compiled section.
7509 (dwarf2out_start_source_file, dwarf2out_end_source_file,
7510 dwarf2out_define, dwarf2out_undef): Make static.
7511 * dwarf2out.h (dwarf2out_start_source_file, dwarf2out_end_source_file,
7512 dwarf2out_define, dwarf2out_undef): Remove.
7513 * dwarfout.c (dwarf_debug_hooks): Add new hooks.
7514 (dwarfout_start_source_file, dwarfout_end_source_file,
7515 dwarfout_define, dwarfout_undef): Make static.
7516 (dwarfout_start_source_file_check,
7517 dwarfout_end_source_file_check): New.
7518 (dwarfout_define, dwarfout_finish): Update.
7519 * dwarfout.h (dwarfout_start_new_source_file,
7520 dwarfout_resume_previous_source_file, dwarfout_define,
7521 dwarfout_undef): Remove.
7522 * sdbout.c (sdb_debug_hooks): Add new hooks.
7523 (sdbout_start_new_source_file): Rename sdbout_start_source_file,
7525 (sdbout_resume_previous_source_file): Rename sdbout_end_source_file,
7526 make static, take an arg.
7527 * sdbout.h (sdbout_start_new_source_file,
7528 sdbout_resume_previous_source_file): Delete.
7529 * toplev.c (debug_start_source_file, debug_end_source_file,
7530 debug_define, debug_undef): Delete.
7531 * toplev.h (debug_start_source_file, debug_end_source_file,
7532 debug_define, debug_undef): Delete.
7534 * java/jcf-parse.c: Include debug.h.
7535 (parse_class_file): Update to use debug hooks directly.
7536 * java/Make-lang.in (jcf-parse.o): Depend on debug.h.
7538 Wed Jul 11 10:07:18 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7540 * alias.c (set_mem_alias_set): New function.
7541 * rtl.h (set_mem_alias_set): Declare it.
7542 * builtins.c (expand_builtin_return_addr): Call it instead of
7543 using MEM_ALIAS_SET accessor.
7544 (expand_builtin_setjmp_setup, expand_builtin_longjmp): Likewise.
7545 (get_memory_rtx, expand_builtin_va_arg): Likewise.
7546 (expand_builtin_va_copy):Likewise.
7547 * caller-save.c (setup_save_areas): Likewise.
7548 * calls.c (compute_argument_addresses): Likewise.
7549 * explow.c (set_mem_attributes): Likewise.
7550 * expr.c (emit_single_push_insn, emit_push_insn): Likewise.
7551 (expand_assignment, store_constructor_field, store_field): Likewise.
7552 (expand_expr_unaligned): Likewise.
7553 * function.c (assign_stack_temp_for_type): Likewise.
7554 (put_reg_into_stack, gen_mem_addressof): Likewise.
7555 * ifcvt.c (noce_try_cmove_arith): Likewise.
7556 * reload1.c (reload, alter_reg): Likewise.
7557 * config/alpha/alpha.c (get_aligned_mem): Likewise.
7558 (alpha_set_memflags_1, alpha_expand_unaligned_load): Likewise.
7559 (alpha_expand_unaligned_store): Likewise
7560 (alpha_expand_unaligned_load_words): Likewise.
7561 (alpha_expand_unaligned_store_words): Likewise.
7562 (alpha_expand_block_clear, alpha_expand_prologue): Likewise.
7563 (alpha_expand_epilogue): Likewise.
7564 * config/arc/arc.c (arc_setup_incoming_varargs): Likewise.
7565 * config/clipper/clipper.c (clipper_builtin_saveregs): Likewise.
7566 * config/i386/i386.c (legitimize_pic_address): Likewise.
7567 * config/i960/i960.c (setup_incoming_varargs): Likewise.
7568 * config/ia64/ia64.c (spill_restore_mem): Likewise.
7569 * config/m32r/m32r.c (m32r_setup_incoming_varargs): Likewise.
7570 * config/m8k/m88k.c (m88k_builtin_saveregs): Likewise.
7571 * config/mips/mips.c (mips_va_arg): Likewise.
7572 * config/mn10300/mn10300.c (mn10300_builtin_saveregs): Likewise.
7573 * config/pa/pa.c (hppa_builtin_saveregs): Likewise.
7574 * config/rs6000/rs6000.c (rs6000_emit_move): Likewise.
7575 (setup_incoming_varargs, rs6000_va_arg): Likewise.
7576 (rs6000_emit_eh_toc_restore, rs6000_emit_prologue): Likewise.
7577 (rs6000_emit_epilogue): Likewise.
7578 * config/sh/sh.c (sh_builtin_saveregs): Likewise.
7579 * config/sparc/sparc.c (sparc_va_arg): Likewise.
7580 * config/v850/v850.c (v850_va_arg): Likewise.
7582 Wed Jul 11 21:27:25 CEST 2001 Jan Hubicka <jh@suse.cz>
7584 * flow.c (merge_blocks_move_successor_nojumps): Do not crash
7585 when fallthru edge is present.
7586 (mege_blocks): Handle case where creation of jump insn
7589 * basic-block.h (CLEANUP_EXPENSIVE, CLEANUP_CROSSJUMP,
7590 CLEANUP_POST_REGSTACK): New constants.
7591 * except.c (finish_eh_generation): Update call of cleanup_cfg,
7592 * jump.c (rtx_renumbered_equal_p): Handle 't' fields.
7593 * output.h (cleanup_cfg): Update prototype.
7594 * reg-stack.c (reg_to_stack): Use cleanup_cfg instead of jump_optimize
7595 * sibcall.c (optimize_sibling_and_tail_recursive_call): Update
7596 cleanup_cfg call; kill missleading comment.
7597 * toplev.c (rest_of_compilation): Update all cleanup_cfg calls.
7598 * flow.c (merge_blocks, try_optimize_cfg, cleanup_cfg): Accept mode
7599 parameter; control optimizations performed using it.
7600 (flow_find_cross_jump, outgoing_edges_match, try_crossjump_to_edge,
7601 try_crossjump_bb): New functions.
7603 2001-07-11 John David Anglin <dave@hiauly1.hia.nrc.ca>
7605 * pa.c (pa_output_function_prologue): Delete prototype. Make function
7607 * pa.h (ASM_OUTPUT_MI_THUNK): Rename output_function_prologue to
7608 pa_output_function_prologue.
7609 * pa-protos.h (pa_output_function_prologue): New prototype.
7611 2001-07-11 John David Anglin <dave@hiauly1.hia.nrc.ca>
7613 * stmt.c (emit_case_nodes): Widen high and low instead of new_bound
7614 and low to get correct sign extension in low+high test.
7616 2001-07-11 Janis Johnson <janis@us.ibm.com>
7618 * gcov.c (arcdata): Use gcov_type to fix branch percentage
7619 for large hit count.
7621 * profile.c (branch_prob): Fix .bbg info for computed gotos
7624 2001-07-11 Mark Mitchell <mark@codesourcery.com>
7626 * stmt.c (parse_output_constraint): New function, split out
7628 (expand_asm_operands): ... here. Use parse_output_constraint.
7629 * tree.h (parse_output_constraint): Declare it.
7631 2001-07-11 Richard Henderson <rth@redhat.com>
7633 * bitmap.c: Comment some functions; fiddle whitespace.
7634 (bitmap_free): Don't export.
7635 (bitmap_element_allocate): Use memset.
7636 * bitmap.h (bitmap_free): Don't declare.
7638 2001-07-11 Daniel Berlin <dan@cgsoftware.com>
7640 * gcse.c, lcm.c, sched-deps.c:
7641 s/free on sbitmap vectors/sbitmap_vector_free on sbitmap vectors/g
7643 * flow.c (flow_loops_find): Free dom if we found no loops, since
7644 we aren't going to save it.
7646 * lcm.c (pre_edge_rev_lcm): Free st_antin, st_antout when we are
7649 Wed Jul 11 09:00:48 2001 Jeffrey A Law (law@cygnus.com)
7651 * ssa-ccp.c (ssa_fast_dce): Free worklist when completed.
7653 Wed Jul 11 10:07:18 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7655 * dwarf2out.c (dwarf2out_init, dwarf2out_finish): Add dummy version
7656 #ifndef DWARF2_DEBUGGING_INFO.
7658 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
7660 * simplify-rtx.c (simplify_gen_subreg): Return null for QUEUED rtxes.
7662 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
7664 * config/mips/mips.c (gen_int_relational): Tell the caller not to
7665 reverse a branch if a NE comparison is implemented with GTU.
7667 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
7668 H.J. Lu <hjl@gnu.org>
7670 * mips.md (call_internal1): Use CONSTANT_ADDRESS_P to check for
7672 (call_internal2): Likewise.
7673 (call_value_internal1): Likewise.
7674 (call_value_internal2): Likewise.
7675 (call_value_multiple_internal1): Likewise.
7676 (call_value_multiple_internal2): Likewise.
7678 2001-07-10 Kazu Hirata <kazu@hxi.com>
7680 * calls.c (emit_library_call_value_1): Fix a comment typo.
7681 * dwarf2out.c (mem_loc_descriptor): Likewise.
7682 * config/i386/i386.c (ix86_expand_aligntest): Likewise.
7684 2001-07-11 David Billinghurst <David.Billinghurst@riotinto.com>
7686 * simplify-rtx.c (simplify_subreg): Fix typo in comment
7688 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7690 * recog.c (offsettable_address_p): Handle LO_SUM case.
7691 * config/mips/mips.c (double_memory_operand): Use adjust_address_nv
7692 instead of plus_constant.
7694 2001-07-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
7696 * reload1.c (merge_assigned_reloads): After a RELOAD_OTHER merge,
7697 fix setting of the reloads of that reload to RELOAD_FOR_OTHER_ADDRESS.
7699 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7701 * config/rs6000/rs6000.c (print_operand, case 'L', 'Y', 'Z'): Use
7702 adjust_address_nv instead of plus_constant.
7704 2001-07-10 Neil Booth <neil@daikokuya.demon.co.uk>
7706 * Makefile.in (toplev.o, sdbout.o, dbxout.o, dwarfout.o,
7707 dwarf2out.o): Depend on debug.h, wrap long lines.
7708 * dbxout.c: Include debug.h.
7709 (dbx_debug_hooks): New.
7710 (dbxout_init): Make static, take just 2 args.
7711 (dbxout_finish): Make static.
7712 * dbxout.h (dbxout_init, dbxout_finish): Delete.
7713 * debug.c: New file.
7714 * debug.h: New file.
7715 * dwarf2out.c: Include debug.h.
7716 (dwarf2_debug_hooks): New.
7717 (dwarf2out_init): Make static.
7718 (dwarf2out_finish): Make static, take 2 args.
7719 * dwarf2out.h (dwarf2out_init, dwarf2out_finish): Delete.
7720 * dwarfout.c: Include debug.h.
7721 (dwarf_debug_hooks): New.
7722 (dwarfout_init): Make static.
7723 (dwarfout_finish): Make static, take 2 args.
7724 * dwarfout.h (dwarfout_init, dwarfout_finish): Delete.
7725 * sdbout.c: Include debug.h.
7726 (sdb_debug_hooks): New.
7727 (sdbout_init): Make static, take 2 args.
7728 * sdbout.h (sdbout_init): Delete.
7729 * toplev.c: Include debug.h.
7731 (compile_file): Set deubg_hooks based on command line options.
7732 Use the hooks unconditionally rather than conditional compilation.
7734 Tue Jul 10 09:04:45 2001 Jeffrey A Law (law@cygnus.com)
7736 * ssa-ccp.c (first_phi_node): Remove. Replace uses with calls to
7737 first_insn_after_basic_block_note instead.
7739 * df.c (df_bb_refs_unlink): #if 0 out for now.
7741 2001-07-10 David Billinghurst <David.Billinghurst@riotinto.com
7743 * ssa.h: Add prototype for ssa_const_prop
7744 * ssa-ccp.c: Add prototype for ssa_fast_dce and mark_references
7745 (ssa_ccp_substitute_constants): Fix signed vs unsigned comparison
7746 (ssa_fast_dce): Remove unused variable
7748 2001-07-10 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
7750 * diagnostic.c (finish_diagnostic): Rename to
7751 diagnostic_finish. Make it take an 'output_buffer *'. Adjust
7754 2001-07-10 Jason Merrill <jason_merrill@redhat.com>
7756 * dwarf2out.c (dwarf2out_line): Emit -dA comment even when we have
7759 * collect2.c (main): Set COLLECT_NO_DEMANGLE for subprocesses.
7760 (dump_file): Only pad the demangled name with spaces if the
7761 mangled name was padded with spaces.
7763 2001-07-10 Bernd Schmidt <bernds@redhat.com>
7765 * bb-reorder.c (make_reorder_chain_1): Correct branch/fallthru
7768 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7770 * expr.c (expand_expr, case COMPONENT_REF): Don't force using bitfield
7771 extraction if no direct load if either EXPAND_CONST_ADDRESS or
7774 * emit-rtl.c (adjust_address, adjust_address_nv): Change criteria for
7775 whether can put offset inside LO_SUM to check mode alignment, not size.
7777 2001-07-10 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
7779 * doc/tm.texi (Misc): Fix thinko.
7781 2001-07-10 Jan van Male <jan.vanmale@fenk.wau.nl>
7783 * regmove.c (replace_in_call_usage): Fix warnings.
7784 * sched-deps.c (add_dependence): Fix warnings.
7785 * simplify-rtx.c (simplify_subreg): Likewise.
7786 Return NULL_RTX instead of NULL.
7788 * reg-stack.c (emit_swap_insn): Eliminate warnings.
7789 (subst_asm_stack_regs): Likewise.
7791 * combine.c (num_sign_bit_copies): Cast bitwidth to int to avoid
7794 * dwarf2out.c (output_call_frame_info): Declare i as int.
7795 (build_abbrev_table): Declare n_alloc as int.
7796 (dwarf2out_finish): Initialize die.
7797 * except.c: Declare sjlj_funcdef_number as unsigned.
7798 (connect_post_landing_pads): Declare j as unsigned.
7799 (convert_to_eh_region_ranges): Initialize call_site.
7800 (output_function_exception_table): Initialize tt_format_size.
7801 * expr.c (move_by_pieces_1): Initialize to1.
7802 (store_constructor): Initialize minelt and maxelt.
7803 * flow.c (mark_regs_live_at_end): Declare i as unsigned.
7804 * function.c (instantiate_decls): Avoid signed/unsigned warning.
7806 * c-decl.c (combine_parm_decls): Unused, remove.
7807 * c-tree.h: Remove prototype for combine_parm_decls.
7809 * reload.c (push_reload): Fix warning.
7810 (regno_clobbered_p): Likewise.
7811 * reload1.c (replace_pseudos_in_call_usage): Likewise.
7812 (reload_combine): Likewise.
7814 * bitmap.c: Rename bitmap_zero to bitmap_zero_bits to fix warnings.
7815 * bitmap.h: Rename bitmap_zero to bitmap_zero_bits to fix
7817 * bitmap.c (bitmap_operation): Change user.
7818 * bitmap.h (EXECUTE_IF_AND_COMPL_IN_BITMAP): Likewise.
7820 2001-07-10 Eric Christopher <echristo@redhat.com>
7822 * config/mips/mips.c (override_options): Fix typo.
7824 2001-07-09 Stan Shebs <shebs@apple.com>
7826 * target.h (struct gcc_target): New fields init_builtins and
7828 * target-def.h (TARGET_INIT_BUILTINS): New macro.
7829 (TARGET_EXPAND_BUILTIN): New macro.
7830 (TARGET_INITIALIZER): Add them.
7831 * builtins.c: Include target.h.
7832 (expand_builtin): Use targetm.expand_builtin.
7833 (default_init_builtins): New function.
7834 (default_expand_builtin): New function.
7835 * expr.h (default_init_builtins): Declare.
7836 (default_expand_builtin): Declare.
7837 * c-common.c (c_common_nodes_and_builtins): Use
7838 targetm.init_builtins.
7839 * defaults.h (MD_INIT_BUILTINS): Remove.
7840 * Makefile.in (builtins.o): Depend on target.h.
7842 * config/arm/arm.c (TARGET_INIT_BUILTINS): Define.
7843 (TARGET_EXPAND_BUILTIN): Define.
7844 * config/arm/arm.h (MD_INIT_BUILTINS): Remove.
7845 (MD_EXPAND_BUILTIN): Remove.
7847 * config/c4x/c4x.c (TARGET_INIT_BUILTINS): Define.
7848 (TARGET_EXPAND_BUILTIN): Define.
7849 (c4x_init_builtins): Make endlink arg a local.
7850 (c4x_print_operand): Fix typos in adjust_address usages.
7851 * config/c4x/c4x-protos.h (c4x_init_builtins): Update decl.
7852 * config/c4x/c4x.h (MD_INIT_BUILTINS): Remove.
7853 (MD_EXPAND_BUILTIN): Remove.
7855 * config/i386/i386.c (TARGET_INIT_BUILTINS): Define.
7856 (TARGET_EXPAND_BUILTIN): Define.
7857 (ix86_init_mmx_sse_builtins): New function, was ix86_init_builtins.
7858 (ix86_init_builtins): Call new function only if TARGET_MMX.
7859 * config/i386/i386-protos.h (ix86_init_mmx_sse_builtins): Declare.
7860 * config/i386/i386.h (MD_INIT_BUILTINS): Remove.
7861 (MD_EXPAND_BUILTIN): Remove.
7863 * config/ia64/ia64.c (TARGET_INIT_BUILTINS): Define.
7864 (TARGET_EXPAND_BUILTIN): Define.
7865 * config/ia64/ia64.h (MD_INIT_BUILTINS): Remove.
7866 (MD_EXPAND_BUILTIN): Remove.
7868 * doc/tm.texi: Document these changes.
7870 2001-07-09 Diego Novillo <dnovillo@redhat.com>
7872 * basic-block.h (tree_node): Forward declare if needed.
7873 (struct basic_block_def): Add fields 'head_tree' and 'end_tree'.
7874 (BLOCK_HEAD_TREE): Define.
7875 (BLOCK_END_TREE): Define.
7876 (struct loops): Rename field 'tree' to 'tree_root'.
7877 * flow.c (entry_exit_blocks): Add initializers for 'head_tree' and
7879 (flow_loops_tree_build): Rename reference to field 'tree' to
7881 (flow_loops_level_compute): Ditto.
7882 * predict.c (estimate_bb_frequencies): Ditto.
7883 * tree.h (struct tree_common): Add field 'aux'.
7885 2001-07-09 Stan Shebs <shebs@apple.com>
7887 * config/darwin.c (darwin_encode_section_info): Don't mark any
7888 DECL_EXTERNAL node as defined.
7890 2001-07-09 John David Anglin <dave@hiauly1.hia.nrc.ca>
7892 * pa.c (pa_init_machine_status, pa_mark_machine_status,
7893 pa_free_machine_status, hppa_init_pic_save): Delete.
7894 (hppa_pic_save_rtx): New. Use get_hard_reg_initial_val.
7895 (hppa_profile_hook): Use hppa_pic_save_rtx.
7896 * pa.h (struct machine_function, PIC_OFFSET_TABLE_SAVE_RTX,
7897 hppa_init_pic_save): Delete.
7898 (hppa_pic_save_rtx): Declare.
7899 * pa.md (call, call_value, sibcall, sibcall_value,
7900 builtin_setjmp_receiver): Use hppa_pic_save_rtx.
7902 2001-07-09 Kazu Hirata <kazu@hxi.com>
7904 * config/h8300/t-h8300 (LIB1ASMFUNCS): Add _floatdisf and _fixsfdi.
7905 * config/mn10200/t-mn10200 (LIB1ASMFUNCS): Likewise.
7907 2001-07-09 Andreas Jaeger <aj@suse.de>
7909 * output.h: Add declaration of final_forward_branch_p.
7911 * config/i386/i386.c (output_fix_trunc): Remove unused variable.
7913 * varray.c: Include errors.h for internal_error and trim_filename
7916 * Makefile.in (varray.o): Add errors.h.
7918 2001-07-09 Toon Moene <toon@moene.indiv.nluug.nl>
7920 * expr.h: Adjust prototypes for have_add2_insn, have_sub2_insn.
7921 * optabs.c (have_add2_insn): Check whether the add insn chosen
7922 really accepts the operands. (have_sub2_insn): Ditto for sub insn.
7923 * reload1.c (reload_cse_move2add): Adjust calls of have_add2_insn.
7925 Mon Jul 9 13:26:40 2001 Jeffrey A Law (law@cygnus.com)
7927 * Makefile.in (OBJS): Add ssa-ccp.o
7928 (ssa-ccp.o): Add dependencies.
7929 * toplev.c (DFI_ssa_ccp): New dump file enum.
7930 (dump_file): Add entry for dumping after SSA CCP.
7931 (flag_ssa_ccp): New flag variable.
7932 (f_options): Add -fssa-ccp.
7933 (rest_of_compilation): Run SSA CCP if requested.
7934 * timevar.def (TV_SSA_CCP): New timevar.
7935 * ssa.c (mark_phi_and_copy_regs): Handle deleted PHI nodes.
7936 * doc/gcc.texi (Passes): Add documentation for SSA CCP pass.
7937 Fix minor typo in SSA DCE documentation.
7938 * doc/invoke.texi: Add documentation for new flag -fssa-ccp.
7939 Add documentation for new dump option. Renumber dump files
7942 Mon Jul 9 21:36:00 CEST 2001 Jan Hubicka <jh@suse.cz>
7944 * emit-rtl.c (gen_highpart_mode): New.
7945 * rtl.h (gen_highpart_mode): Declare.
7946 * sparc.md (insn splitters): Use gen_highpart_mode, whenever the
7947 operand can be VOIDmode constant.
7949 Mon Jul 9 17:23:10 CEST 2001 Jan Hubicka <jh@suse.cz>
7951 * flow.c (redirect_edge_and_branch_force): New.
7952 (can_fallthru): Ensure that basic blocks are succeeding.
7953 (try_optimize_cfg): Do not delete basic block if it is the last one.
7955 * flow.c (try_redirect_by_replacing_jump): Do not remove
7956 jumps with side effects, unlink chain on fallthru edge;
7957 set block for new jump instruction; avoid basic block to
7958 over by line number note.
7960 * flow.c (try_simplify_condjump): Verify that the condjump
7961 is not always falling trought.
7964 * flow.c (try_redirect_by_replacing_jump): Remove cc0 setter.
7966 * flow.c (forwarder_block_p): Fix for fallthru blocks.
7967 (try_redirect_by_replacing_jump): Update properly the count
7968 and frequency information.
7970 Mon Jul 9 06:41:07 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7972 * emit-rtl.c (adjust_address, adjust_address_nv): Handle an
7973 address that is a LO_SUM specially.
7974 * explow.c (plus_constant_wide, case LO_SUM): Deleted.
7976 * c-lang.c (start_cdtor): Remove extra parameter from start_function.
7978 * emit-rtl.c (adjust_address_nv, replace_equiv_address_nv): New fcns.
7979 (operand_subword): Use them.
7980 (change_address_1): Renamed from change_address; new arg VALIDATE.
7981 * expr.h: Reflect above changes; change_address now macro.
7982 * alias.c (canon_rtx): Use replace_equiv_address_nv instead of
7984 * cselib.c (add_mem_for_addr): Likewise.
7985 * expr.c (protect_from_queue, emit_move_insn_1): Likewise.
7986 * regmove.c (try_apply_stack_adjustment): Likewise.
7987 * reload.c (push_reload, make_memloc): Likewise.
7988 * reload1.c (eliminate_regs): Likewise.
7989 * simplify-rtx.c (simplify_replace_rtx): Likewise.
7990 * caller-save.c (setup_save_areas): Use adjust_address_nv instead of
7992 * combine.c (make_extraction, simplify_shift_const): Likewise.
7993 (gen_lowpart_for_combine): Likewise.
7994 * cse.c (gen_lowpart_if_possible): Likewise.
7995 * function.c (fixup_var_refs_1, purge_addressof_1): Likewise.
7996 * expr.c (expand_expr, case COMPONENT_REF): Likewise.
7997 * optabs.c (gen_move_insn): Likewise.
7998 * reload1.c (alter_reg): Likewise.
7999 * simplify-rtx.c (simplify_subreg): Likewise.
8000 * stmt.c (expand_anon_union_decl): Likewise.
8001 * recog.c (validate_replace_rtx_1): Likewise.
8003 * Makefile.in (recog.o): Add $(EXPR_H).
8004 * explow.c (stabilize): Call replace_equiv_address.
8005 * expr.c (move_by_pieces_1, store_by_pieces_2): Likewise.
8006 * final.c (alter_subreg): OFFSET is HOST_WIDE_INT.
8008 2001-07-03 Andrew Haley <aph@redhat.com>
8010 * expmed.c (store_fixed_bit_field): Don't use a mode bigger than
8011 the mode of the memory location.
8013 2001-07-09 Bo Thorsen <bo@suse.co.uk>
8015 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Fix x86-64 vtable support.
8017 2001-07-09 Neil Booth <neil@daikokuya.demon.co.uk>
8019 * final.c (output_addr_const): Use target opening and
8020 closing parentheses.
8021 * target-def.h: Define TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN
8022 defaults, add to TARGET_ASM_OUT.
8023 * target.h (struct gcc_target): Add open_paren and close_paren.
8024 * doc/md.texi: Update.
8025 * doc/tm.texi: Document TARGET_ASM_FUNCTION_END_PROLOGUE,
8026 TARGET_ASM_FUNCTION_BEGIN_EPILOGUE, TARGET_ASM_OPEN_PAREN and
8027 TARGET_ASM_CLOSE_PAREN.
8028 * config/i386/i386.c (TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN):
8030 * config/pdp11/pdp11.c (TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN):
8032 * config/1750a/1750a.h (ASM_OPEN_PAREN, ASM_CLOSE_PAREN): Remove.
8033 * config/a29k/a29k.h: Similarly.
8034 * config/alpha/alpha.h: Similarly.
8035 * config/arc/arc.h: Similarly.
8036 * config/arm/aof.h: Similarly.
8037 * config/arm/aout.h: Similarly.
8038 * config/avr/avr.h: Similarly.
8039 * config/c4x/c4x.h: Similarly.
8040 * config/clipper/clipper.h: Similarly.
8041 * config/convex/convex.h: Similarly.
8042 * config/d30v/d30v.h: Similarly.
8043 * config/dsp16xx/dsp16xx.h: Similarly.
8044 * config/elxsi/elxsi.h: Similarly.
8045 * config/fr30/fr30.h: Similarly.
8046 * config/h8300/h8300.h: Similarly.
8047 * config/i370/i370.h: Similarly.
8048 * config/i386/i386.h: Similarly.
8049 * config/i860/i860.h: Similarly.
8050 * config/i960/i960.h: Similarly.
8051 * config/ia64/ia64.h: Similarly.
8052 * config/m32r/m32r.h: Similarly.
8053 * config/m68hc11/m68hc11.h: Similarly.
8054 * config/m68k/m68k.h: Similarly.
8055 * config/m88k/m88k.h: Similarly.
8056 * config/mcore/mcore.h: Similarly.
8057 * config/mips/mips.h: Similarly.
8058 * config/mn10200/mn10200.h: Similarly.
8059 * config/mn10300/mn10300.h: Similarly.
8060 * config/ns32k/ns32k.h: Similarly.
8061 * config/pa/pa.h: Similarly.
8062 * config/pdp11/pdp11.h: Similarly.
8063 * config/pj/pj.h: Similarly.
8064 * config/romp/romp.h: Similarly.
8065 * config/rs6000/rs6000.h: Similarly.
8066 * config/sh/sh.h: Similarly.
8067 * config/sparc/sparc.h: Similarly.
8068 * config/v850/v850.h: Similarly.
8069 * config/vax/vax.h: Similarly.
8070 * config/we32k/we32k.h: Similarly.
8072 2001-07-09 Joseph S. Myers <jsm28@cam.ac.uk>
8074 * doc/c-tree.texi: Document representation of attributes.
8076 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
8078 * doc/tm.texi: Update some places for the rename of target to
8081 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
8083 * target.h (struct gcc_target): Add insert_attributes.
8084 * target-def.h (TARGET_INSERT_ATTRIBUTES): Define.
8085 (TARGET_INITIALIZER): Update.
8086 * tree.c, tree.h (default_insert_attributes): New function.
8087 Update comments on other default functions to refer to targetm,
8089 * doc/tm.texi (INSERT_ATTRIBUTES): Update to document
8090 TARGET_INSERT_ATTRIBUTES.
8091 (SET_DEFAULT_DECL_ATTRIBUTES): Remove.
8092 * c-common.c (decl_attributes): Use targetm.insert_attributes.
8093 Don't use PRAGMA_INSERT_ATTRIBUTES.
8094 * Makefile.in (c-common.o): Depend on $(TARGET_H).
8095 * c-decl.c (start_decl, start_function): Don't call
8096 SET_DEFAULT_DECL_ATTRIBUTES.
8097 * config/c4x/c4x.h (SET_DEFAULT_DECL_ATTRIBUTES): Don't define.
8098 * config/c4x/c4x-protos.h (c4x_set_default_attributes): Don't
8100 * config/c4x/c4x.c (TARGET_INSERT_ATTRIBUTES): Define.
8101 (c4x_check_attribute): Avoid modifying attribute list itself.
8102 (c4x_set_default_attributes): Rename to c4x_insert_attributes.
8104 * config/sh/sh.h (PRAGMA_INSERT_ATTRIBUTES): Don't define.
8105 * config/sh/sh-protos.h (sh_pragma_insert_attributes): Don't
8107 * config/sh/sh.c (TARGET_INSERT_ATTRIBUTES): Define.
8108 (sh_pragma_insert_attributes): Rename to sh_insert_attributes.
8110 * config/v850/v850.h (SET_DEFAULT_DECL_ATTRIBUTES): Don't define.
8111 * config/v850/v850-protos.h (v850_set_default_decl_attr): Don't
8113 * config/v850/v850.c (TARGET_INSERT_ATTRIBUTES): Define.
8114 (v850_set_default_decl_attr): Rename to v850_insert_attributes.
8115 Adjust parameters. Make static.
8117 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
8119 * c-common.c (decl_attributes): Only take a single attributes
8121 * c-common.h (decl_attributes): Update prototype.
8122 * c-decl.c (start_decl, start_function): Only take a single
8123 attributes parameter. Update calls to decl_attributes.
8124 (finish_struct, finish_enum): Update calls to decl_attributes.
8125 (push_parm_decl): Expect unified list of attributes. Update call
8127 * c-parse.in (fndef, initdcl, notype_initdcl, nested_function,
8128 notype_nested_function, component_declarator,
8129 component_notype_declarator, label): Update calls to
8131 (absdcl_maybe_attribute, parm, firstparm, myparm): Unify attribute
8132 lists that are passed to push_parm_decl.
8133 * c-tree.h (start_function, start_decl): Update prototypes.
8134 * config/sh/sh-protos.h, config/sh/sh.c
8135 (sh_pragma_insert_attributes): Only take a single attributes
8137 * config/sh/sh.h (PRAGMA_INSERT_ATTRIBUTES): Likewise.
8138 * doc/tm.texi (INSERT_ATTRIBUTES): Update.
8139 * objc/objc-act.c (define_decl, generate_objc_symtab_decl,
8140 build_module_descriptor, generate_static_references,
8141 generate_strings, build_selector_translation_table,
8142 generate_descriptor_table, generate_protocols,
8143 generate_ivars_list, generate_dispatch_table,
8144 generate_protocol_list, generate_category,
8145 generate_shared_structures, really_start_method, add_objc_decls,
8146 generate_classref_translation_entry): Update calls to start_decl
8148 (build_tmp_function_decl, start_method_def): Unify attribute lists
8149 that are passed to push_parm_decl.
8151 2001-07-08 Neil Booth <neil@daikokuya.demon.co.uk>
8153 * final.c (no_asm_to_stream): New.
8154 (final_scan_insn): Use target structures for prologue ends
8155 and epilogue starts.
8156 * output.h (no_asm_to_stream): New.
8157 * target-def.h (TARGET_ASM_FUNCTION_END_PROLOGUE,
8158 TARGET_ASM_FUNCTION_BEGIN_EPILOGUE): New.
8159 (TARGET_ASM_OUT): Update.
8160 * target.h (struct gcc_target): New members function_end_prologue
8161 and function_begin_epilogue.
8162 * config/1750/1750.h (ASM_OUTPUT_FUNNAM): Delete as unused.
8163 * config/alpha/alpha-protos.h (output_end_prologue): Delete.
8164 * config/alpha/alpha.c (output_end_prologue): Rename to
8165 alpha_output_function_end_prologue. Use in target struct
8167 * config/alpha/alpha.h (FUNCTION_END_PROLOGUE): Delete.
8168 * config/ia64/ia64-protos.h (ia64_output_end_prologue): Delete.
8169 * config/ia64/ia64.c (ia64_output_end_prologue): Rename to
8170 ia64_output_function_end_prologue. Use in target struct
8172 (ia64_function_prologue, ia64_funciton_epilogue): Rename
8173 mistyped prototypes.
8174 * config/ia64/ia64.h (FUNCTION_END_PROLOGUE): Delete.
8175 * config/m88k/m88k-protos.h (m88k_end_prologue, m88k_begin_epilogue):
8177 * config/m88k/m88k.c (m88k_end_prologue, m88k_begin_epilogue): Rename
8178 an use in target struct, make static.
8179 * config/ia64/ia64.h (FUNCTION_END_PROLOGUE, FUNCTION_BEGIN_EPILOGUE):
8182 2001-07-08 Richard Henderson <rth@redhat.com>
8184 * stmt.c (emit_case_nodes): Convert modes properly in low+high test.
8186 2001-07-08 Richard Henderson <rth@redhat.com>
8188 * config/i386/i386.md: Remove constraints strings from define_split
8189 and define_peephole2 patterns.
8190 (eh_return_si, eh_return_di): Split eh_return_1 for modes.
8191 (eh_return): Use them.
8193 2001-07-08 Richard Henderson <rth@redhat.com>
8195 * doc/tm.texi (Exception Handling): New subnode of Stack and Calling.
8196 Document MD_FALLBACK_FRAME_STATE_FOR.
8198 2001-07-07 Stephane Carrez <Stephane.Carrez@worldnet.fr>
8200 * config/m68hc11/m68hc11.c (m68hc11_initial_elimination_offset):
8201 Take into account m68hc11_sp_correction for FRAME_POINTER_REGNUM
8203 * config/m68hc11/m68hc11.h (STARTING_FRAME_OFFSET): Use 0.
8205 2001-07-07 Nick Clifton <nickc@cambridge.redhat.com>
8207 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Append # to end
8208 of the label inside NAME as opposed to just the end of NAME.
8210 2001-07-07 Neil Booth <neil@daikokuya.demon.co.uk>
8212 * config/alpha/alpha-protos.h (vms_valid_decl_attribute_p): Delete.
8213 * config/alpha/alpha.c (alpha_init_machine_status,
8214 alpha_mark_machine_status, alpha_free_machine_status): Delete.
8215 (TARGET_VALID_DECL_ATTRIBUTE): Define for VMS.
8216 (vms_valid_decl_attribute_p): Make static, conditionally compile.
8217 * config/alpha/alpha.h (VALID_MACHINE_DECL_ATTRIBUTE): Delete.
8219 2001-07-06 Stan Shebs <shebs@apple.com>
8221 * target.h (targetm): Rename global from "target", so as not to
8222 conflict with local variables.
8224 * c-typeck.c: Ditto.
8228 * cp/decl2.c: Ditto.
8229 * cp/typeck.c: Ditto.
8230 * 1750a/1750a.c: Ditto.
8231 * a29k/a29k.c: Ditto.
8235 * clipper/clipper.c: Ditto.
8236 * convex/convex.c: Ditto.
8237 * d30v/d30v.c: Ditto.
8238 * dsp16xx/dsp16xx.c: Ditto.
8239 * elxsi/elxsi.c: Ditto.
8240 * fr30/fr30.c: Ditto.
8241 * h8300/h8300.c: Ditto.
8242 * i370/i370.c: Ditto.
8243 * i386/i386.c: Ditto.
8244 * i860/i860.c: Ditto.
8245 * i960/i960.c: Ditto.
8246 * ia64/ia64.c: Ditto.
8247 * m32r/m32r.c: Ditto.
8248 * m68hc11/m68hc11.c: Ditto.
8249 * m68k/m68k.c: Ditto.
8250 * m88k/m88k.c: Ditto.
8251 * mips/mips.c: Ditto.
8252 * ns32k/ns32k.c: Ditto.
8254 * pdp11/pdp11.c: Ditto.
8255 * romp/romp.c: Ditto.
8256 * rs6000/rs6000.c: Ditto.
8258 * sparc/sparc.c: Ditto.
8260 * we32k/we32k.c: Ditto.
8261 * doc/tm.texi: Update the manual to match.
8263 2001-07-06 Richard Henderson <rth@redhat.com>
8265 * except.h (MUST_USE_SJLJ_EXCEPTIONS): Examine the value of
8266 DWARF2_UNWIND_INFO not just whether it is defined.
8268 2001-07-06 Diego Novillo <dnovillo@redhat.com>
8270 * combine.c (combine_simplify_rtx): Also recompute 'mode' if the
8271 call to simplify_binary_operation returns a new pattern.
8273 2001-07-06 Roman Lechtchinsky <rl@cs.tu-berlin.de>
8275 * glimits.h (__SHRT_MAX__): New.
8276 (SHRT_MIN, USHRT_MAX): Define in terms of SHRT_MAX.
8277 (SHRT_MAX): Define in terms of __SHRT_MAX__.
8279 2001-07-06 Jan van Male <jan.vanmale@fenk.wau.nl>
8281 * alias.c (base_alias_check): Cast GET_MODE_UNIT_SIZE to int to
8284 2001-07-06 Richard Henderson <rth@redhat.com>
8286 * bitmap.c (bitmap_release_memory): Move adjacent to the
8287 allocation functions.
8288 (bitmap_first_set_bit, bitmap_last_set_bit): Streamline knowing
8289 the implementation. Binary search for the set bit.
8290 (bitmap_union_of_diff): Allocate the temporary on the stack
8291 instead of using xmalloc.
8293 2001-07-06 Richard Henderson <rth@redhat.com>
8295 * genrecog.c (validate_pattern): Warn for constraints in
8296 define_{expand,split,peephole2}. Remove strict_low_part
8297 before looking up match_dup.
8299 2001-07-06 DJ Delorie <dj@redhat.com>
8301 * doc/gcc.texi (Makefile): Rename to be a more general purpose
8302 chapter about various build hints and history. Add section
8303 talking about the various types of native and cross builds.
8305 2001-07-06 Neil Booth <neil@daikokuya.demon.co.uk>
8307 * Makefile.in (final.o): Depend on target.h.
8308 * final.c: Include target.h.
8309 (default_function_pro_epilogue): New.
8310 (final_start_function): Use target structure for function prologues.
8311 (final_end_function): Use target structure for function epilogues.
8312 * fold-const.c (real_hex_to_f): Constify s and p.
8313 * output.h (default_function_pro_epilogue): New.
8314 * real.h (real_hex_to_f): Update prototype.
8315 * target-def.h (TARGET_ASM_FUNCTION_PROLOGUE,
8316 TARGET_ASM_FUNCTION_EPILOGUE, TARGET_ASM_OUT): New.
8317 (TARGET_INITIALIZER): Update.
8318 * target.h (gcc_target): Add struct asm_out.
8319 * doc/tm.texi: Update.
8322 Update each arch to use TARGET_ASM_FUNCTION_PROLOGUE and
8323 TARGET_ASM_FUNCTION_EPILOGUE. Move macro code to functions
8324 in cpu/cpu.c, or rename old functions consistently. Take
8325 a HOST_WIDE INT not an int as the SIZE parameter. Remove now
8326 redundant macros and prototypes. Make new functions static.
8328 * 1750a/1750a.c: Similarly.
8329 * 1750a/1750a.h: Similarly.
8330 * a29k/a29k-protos.h: Similarly.
8331 * a29k/a29k.c: Similarly.
8332 * a29k/a29k.h: Similarly.
8333 * arc/arc-protos.h: Similarly.
8334 * arc/arc.c: Similarly.
8335 * arc/arc.h: Similarly.
8336 * arm/arm-protos.h: Similarly.
8337 * arm/arm.c: Similarly.
8338 * arm/arm.h: Similarly.
8339 * avr/avr-protos.h: Similarly.
8340 * avr/avr.c: Similarly.
8341 * avr/avr.h: Similarly.
8342 * clipper/clipper-protos.h: Similarly.
8343 * clipper/clipper.c: Similarly.
8344 * clipper/clipper.h: Similarly.
8345 * convex/convex.c: Similarly.
8346 * convex/convex.h: Similarly.
8347 * d30v/d30v-protos.h: Similarly.
8348 * d30v/d30v.c: Similarly.
8349 * d30v/d30v.h: Similarly.
8350 * d30v/d30v.md: Similarly.
8351 * dsp16xx/dsp16xx-protos.h: Similarly.
8352 * dsp16xx/dsp16xx.c: Similarly.
8353 * dsp16xx/dsp16xx.h: Similarly.
8354 * elxsi/elxsi.c: Similarly.
8355 * elxsi/elxsi.h: Similarly.
8356 * fr30/fr30.c: Similarly.
8357 * fr30/fr30.md: Similarly.
8358 * h8300/h8300-protos.h: Similarly.
8359 * h8300/h8300.c: Similarly.
8360 * h8300/h8300.h: Similarly.
8361 * i370/i370-protos.h: Similarly.
8362 * i370/i370.c: Similarly.
8363 * i370/i370.h: Similarly.
8364 * i386/i386.c: Similarly.
8365 * i386/osf1elf.h: Similarly.
8366 * i386/osfrose.h: Similarly.
8367 * i860/i860-protos.h: Similarly.
8368 * i860/i860.c: Similarly.
8369 * i860/i860.h: Similarly.
8370 * i960/i960-protos.h: Similarly.
8371 * i960/i960.c: Similarly.
8372 * i960/i960.h: Similarly.
8373 * ia64/ia64-protos.h: Similarly.
8374 * ia64/ia64.c: Similarly.
8375 * ia64/ia64.h: Similarly.
8376 * m32r/m32r-protos.h: Similarly.
8377 * m32r/m32r.c: Similarly.
8378 * m32r/m32r.h: Similarly.
8379 * m68hc11/m68hc11-protos.h: Similarly.
8380 * m68hc11/m68hc11.c: Similarly.
8381 * m68hc11/m68hc11.h: Similarly.
8382 * m68k/crds.h: Similarly.
8383 * m68k/dpx2.h: Similarly.
8384 * m68k/m68k-protos.h: Similarly.
8385 * m68k/m68k.c: Similarly.
8386 * m68k/m68k.h: Similarly.
8387 * m68k/news.h: Similarly.
8388 * m88k/m88k-protos.h: Similarly.
8389 * m88k/m88k.c: Similarly.
8390 * m88k/m88k.h: Similarly.
8391 * mips/mips-protos.h: Similarly.
8392 * mips/mips.c: Similarly.
8393 * mips/mips.h: Similarly.
8394 * ns32k/merlin.h: Similarly.
8395 * ns32k/ns32k.c: Similarly.
8396 * ns32k/ns32k.h: Similarly.
8397 * ns32k/tek6000.h: Similarly.
8398 * pa/pa-protos.h: Similarly.
8399 * pa/pa.c: Similarly.
8400 * pa/pa.h: Similarly.
8401 * pdp11/2bsd.h: Similarly.
8402 * pdp11/pdp11-protos.h: Similarly.
8403 * pdp11/pdp11.c: Similarly.
8404 * pdp11/pdp11.h: Similarly.
8405 * romp/romp-protos.h: Similarly.
8406 * romp/romp.c: Similarly.
8407 * romp/romp.h: Similarly.
8408 * rs6000/rs6000-protos.h: Similarly.
8409 * rs6000/rs6000.c: Similarly.
8410 * rs6000/rs6000.h: Similarly.
8411 * rs6000/sysv4.h: Similarly.
8412 * sh/sh-protos.h: Similarly.
8413 * sh/sh.c: Similarly.
8414 * sh/sh.h: Similarly.
8415 * sparc/sparc-protos.h: Similarly.
8416 * sparc/sparc.c: Similarly.
8417 * sparc/sparc.h: Similarly.
8418 * vax/vax.c: Similarly.
8419 * vax/vax.h: Similarly.
8420 * vax/vms.h: Similarly.
8421 * we32k/we32k.c: Similarly.
8422 * we32k/we32k.h: Similarly.
8424 Fri Jul 6 11:47:59 2001 Jeffrey A Law (law@cygnus.com)
8426 * basic-block.h (first_insn_after_basic_block_note): Declare.
8427 * flow.c (first_insn_after_basic_block_note): Define. Moved
8429 * ssa.c (first_insn_after_basic_block_note): Remove.
8430 * ssa-dce.c (find_inherently_necessary): Consider BARRIERs
8432 (ssa_eliminate_dead_code): Properly update the CFG and PHI
8433 nodes when we find a dead conditional branch. Insert BARRIERs
8434 after any blocks with no successors, but which do not have
8437 2001-07-06 Zack Weinberg <zackw@stanford.edu>
8439 * varray.c (varray_check_failed): Use internal_error.
8441 2001-07-05 Andrew Haley <aph@redhat.com>
8443 * Makefile.in (LIB2_DIVMOD_FUNCS): New.
8444 (LIB2FUNCS): Move divmod functions to LIB2_DIVMOD_FUNCS.
8445 * mklibgcc.in: Compile LIB2_DIVMOD_FUNCS.
8447 2001-07-02 Jason Merrill <jason_merrill@redhat.com>
8449 * dwarf2out.c (mem_loc_descriptor): Only look through a constant pool
8450 reference if the target constant is also a SYMBOL_REF.
8452 2001-07-05 Eric Christopher <echristo@redhat.com>
8454 * config/mips/mips.h (MASK_MIPS3900): Remove.
8455 (MASK_MIPS16,MASK_NO_CHECK_ZERO_DIV,MASK_CHECK_RANGE_DIV,
8456 MASK_UNINIT_CONST_IN_RODATA): Change for 3900 mask removal.
8457 (TARGET_MIPS3900): Change to use mips_arch.
8458 (TARGET_MIPS4000): New.
8459 (TARGET_MIPS4100): New.
8460 (TARGET_MIPS4300): New.
8461 (TARGET_SWITCHES): Change 3900 and 4650 options to NULL.
8462 (SUBTARGET_TARGET_OPTIONS): Add -march. Change help text
8464 (GENERATE_BRANCHLIKELY): Move TARGET_MIPS3900.
8465 (ISA_HAS_BRANCHLIKELY): To here.
8466 (CC1_CPU_SPEC): New.
8467 (CC1_SPEC): Use here. Remove 4650 and 3900 options.
8468 (mips_arch_string): Declare.
8469 (mips_arch): Declare.
8470 (TARGET_OPTIONS): Add -march and -mtune.
8472 * config/mips/mips.c (mips_arch_string): New.
8474 (override_options): Handle -march for codegen and -mtune
8475 for scheduling. Use mips_arch. Move tx39 target default here.
8476 (mips_parse_cpu): Move error message to override_options.
8478 * config/mips/r3900.h (TARGET_DEFAULT): Remove.
8480 * config/mips/mips.md: Use TARGET_MIPS4000 and TARGET_MIPS4300.
8482 * doc/invoke.texi (Option Summary): Add -march and -mtune entries.
8483 (MIPS Options): Ditto. Change mcpu entry to historical text.
8485 2001-07-05 H.J. Lu (hjl@gnu.org)
8487 * config/mips/mips.c (mips_parse_cpu): New function to parse
8490 2001-07-05 Jim Wilson <wilson@redhat.com>
8492 * config/ia64/lib1funcs.asm: Revert 2001-07-02 change.
8493 * config/ia64/t-ia64: Likewise.
8494 (LIB1ASMFUNCS): Update comment.
8496 2001-07-05 David Edelsohn <edelsohn@gnu.org>
8498 * doc/install.texi (Install GCC: Binaries): Fix typo.
8500 2001-07-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
8502 * config/m68hc11/m68hc11.md ("*ashlsi3"): Operand 1 can be a memory
8503 reference using the stack pointer, adjust it since we push Y
8505 ("*ashrsi3"): Likewise.
8506 ("*lshrsi3"): Likewise.
8508 2001-07-05 Stephane Carrez <Stephane.Carrez@worldnet.fr>
8510 * config/m68hc11/m68hc11.h (RETURN_ADDR_RTX): Fix return address
8511 when -fomit-frame-pointer is used.
8513 2001-07-05 Jeffrey Oldham <oldham@codesourcery.com>
8515 * flow.c: Reverse Jan Hubicka's patch of 02July2001.
8516 (try_redirect_by_replacing_jump): Reverse updating properly the
8517 count and frequency information. Reverse removing cc0 setter.
8518 (forwarder_block_p): Reverse fixing for fallthru blocks.
8520 2001-07-05 DJ Delorie <dj@redhat.com>
8522 * gcc.c (TARGET_OPTION_TRANSLATE_TABLE): New.
8523 (translate_options): If the above is defined, use it to map
8524 given options to new options.
8525 * doc/tm.texi: Document it.
8527 2001-07-05 Brad Lucier <lucier@math.purdue.edu>
8528 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
8530 * doc/invoke.texi (Optimize Options): Document that -fgcse may
8531 cause programs using computed gotos to run more slowly.
8533 2001-07-05 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8535 * doc/install.texi (Specific): Markup, spelling and typo fixes.
8537 Consistently require binutils 2.11.2, not prereleases.
8538 (Specific, decstation-*): Canonicalize as mips-dec-*.
8539 (Specific, i?86-*-sco3.2v5*): Remove make bootstrap requirement,
8541 (Specific, m68k-altos): Removed reference to README.altos, deleted.
8542 (Specific, mips-*): Reword MIPS C compiler requirements.
8543 (Specific, powerpc*-*-*): New, mention --with-cpu once.
8544 (Specific, sunv5): Removed, obsolete.
8546 2001-07-05 Nathan Sidwell <nathan@codesourcery.com>
8548 * dwarf2out.c (output_loc_list): Use an all ones mask for
8549 .text asm output and don't rely on long long
8550 literals. Reformat some long lines.
8552 2001-07-05 Andreas Jaeger <aj@suse.de>
8554 * doc/gcc.texi (GNU/Linux): Remove accidental re-add of GPL
8557 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
8559 * dwarf2out.c (dwarf2out_define): Update comment.
8560 (dwarf2out_undef): Ditto.
8561 (dwarf2out_start_source_file): Ditto.
8562 (dwarf2out_end_source_file): Ditto.
8563 (dwarf2out_finish): Output DW_MACINFO_end_file for primary file,
8564 since we never call the start/end debug hook for the primary file.
8566 2001-07-04 Kazu Hirata <kazu@hxi.com>
8568 * config/h8300/h8300.c (get_shift_alg): Remove an extra operand
8571 2001-07-04 Nathan Sidwell <nathan@codesourcery.com>
8573 * cppinit.c (remove_dup_dirs): Inform if a system include
8574 directory is being reordered.
8575 * doc/invoke.texi (Directory Options): GCC warns if you hide a
8577 * doc/cpp.texi (Search Paths): Likewise.
8578 * doc/gcc.texi (Interoperation): Remove information about
8581 2001-07-04 Nathan Sidwell <nathan@codesourcery.com>
8583 * varray.h (VARRAY_TOP_GENERIC_PTR): Remove spurious parameter.
8584 (VARRAY_TOP_CHAR_PTR): Likewise.
8586 2001-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8588 * gcc.c (process_command): Don't assign elements of a const char*.
8590 Wed Jul 4 13:40:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8592 * emit-rtl.c (change_address): Don't abort if invalid address while
8593 reload is in progress.
8595 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
8597 * c-lex.c (cb_file_change): Pass line number to
8598 debug_start_source_file.
8599 (cb_undefine): Pass correct line number to debug_undef.
8601 * toplev.c (debug_start_source_file): Add line number to
8602 parameters. Pass it along to dwarf2out_start_source_file.
8603 (decode_g_option): Stop resetting debug level back to normal when
8604 we change debug formats, unless the current level is
8605 none. (Before, -g3 -gdwarf-2 would use debug level 2, rather than
8608 * toplev.h (debug_start_source_file): Add line number to
8611 * dwarf2out.h (dwarf2out_start_source_file): Add line number to
8614 * dwarf2out.c (dwarf2out_start_source_file): Add line number to
8616 Output debug_macinfo data for starting file if requested.
8617 (dwarf2out_end_source_file): Output debug_macinfo data for ending
8619 (dwarf2out_define): Output debug_macinfo data for defining a macro
8621 (dwarf2out_undef): Output debug_macinfo data for undefining a
8623 (DEBUG_MACINFO_SECTION): New. DWARF2 macro info section name.
8624 (DEBUG_MACINFO_SECTION_LABEL): New. DWARF2 macro info section label.
8625 (macinfo_section_label): New. DWARF2 macro info section label.
8626 (dwarf2out_init): If we want macro info, output the start label
8628 (dwarf2out_finish): If we want macro info, add a DW_AT_macro_info
8629 attribute to the compilation unit die pointing to the macro info.
8631 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
8633 * dwarf2out.c (new_loc_list): Move to inside #ifdef
8634 DWARF2_DEBUGGING_INFO.
8635 (add_loc_descr_to_loc_list): Ditto.
8636 (output_loc_list): Ditto.
8637 Also, fix thinko in curr not being initialized.
8638 (gen_internal_sym): Ditto.
8640 Wed Jul 4 13:40:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8642 * emit-rtl.c (replace_equiv_address): New function.
8643 * expr.h (replace_equiv_address): New declaration.
8644 * explow.c (validize_mem): Call it instead of change_address and
8645 also call if -fforce-addr and address is constant.
8646 * expr.c: Replace more calls to change_address with adjust_address
8647 and/or replace_equiv_address or to validize_mem.
8648 * function.c, regmove.c, config/alpha/alpha.c: Likewise.
8649 * config/arm/arm.md, config/clipper/clipper.md: Likewise.
8650 * config/dsp16xx/dsp16xx.md, config/fr30/fr30.c: Likewise.
8651 * config/i370/i370.md, config/i860/i860.md: Likewise.
8652 * config/i960/i960.md, config/mips/mips.c: Likewise.
8653 * config/mips/mips.md, config/pa/pa.md: Likewise.
8654 * config/pdp11/pdp11.md, config/rs6000/rs6000.c: Likewise.
8655 * config/rs6000/rs6000.md, config/sh/sh.md: Likewise.
8657 2001-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8659 * bitmap.c (bitmap_union_of_diff): Don't use BITMAP_ALLOCA.
8661 * bitmap.h (BITMAP_ALLOCA): Don't pass alloca as an argument to a
8664 2001-07-04 Joseph S. Myers <jsm28@cam.ac.uk>
8666 * doc/include: New directory.
8667 * doc/fdl.texi: Move to doc/include/fdl.texi.
8668 * doc/texinfo.tex: Move to doc/include/texinfo.tex.
8669 * doc/include/funding.texi, doc/include/gpl.texi: New files.
8670 * doc/gcc.texi: Use funding.texi and gpl.texi.
8671 * Makefile.in ($(docdir)/cpp.info, $(docdir)/gcc.info,
8672 $(docdir)/cppinternals.info, cpp.dvi. gcc.dvi. cppinternals.dvi):
8673 Update dependencies and use -I $(docdir)/include.
8675 2001-07-04 Anthony Green <green@redhat.com>
8677 * config/v850/t-v850 (v850-c.o): Add missing dependencies.
8679 2001-07-04 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
8681 * doc/install.texi (sparc64-*-*): Remove garbage.
8683 Wed Jul 4 09:07:44 2001 Jan van Male <jan.vanmale@fenk.wau.nl>
8685 * i386.c (ix86_expand_builtin, case IX86_BUILTIN_SETPS):
8686 Fix typo in last change to use adjust_address.
8688 2001-07-04 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
8690 * doc/install.texi (Specific): Update information for *-*-solaris*.
8692 Tue Jul 3 22:33:15 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8694 * explow.c (plus_constant_wide): Reinitialize Y for restart.
8696 2001-07-03 Stan Shebs <shebs@apple.com>
8698 * config/darwin.h (SECTION_FUNCTION): Remove WAS_TEXT argument, remove
8699 case for flag_no_mach_text_sections.
8700 (EXTRA_SECTION_FUNCTIONS): Remove arg from uses of SECTION_FUNCTION.
8701 * config/darwin.c (flag_no_mach_text_sections): Remove.
8702 * config/darwin-protos.h (darwin_init_pragma): Remove decl.
8704 Tue Jul 3 15:35:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8706 * explow.c (plus_constant_wide, case PLUS): Call find_constant_term
8707 and avoid checking for constant as first operand.
8708 * recog.c (find_constant_term_loc): No longer static.
8709 (adj_offettable_operand): Delete.
8710 * rtl.h (adj_offsettable_operand): Delete declaration.
8711 (find_constant_term): Add declaration.
8712 * caller-save.c: Replace calls to adj_offsettable_operand with calls
8714 * config/arm/arm.c, config/c4x/c4x.c: Likewise.
8715 * config/clipper/clipper.md, config/h8300/h8300.c: Likewise.
8716 * config/i386/i386.c, config/i386/i386.md: Likewise.
8717 * config/i860/i860.c, config/i960/i960.c: Likewise.
8718 * config/i960/i960.md, config/m68hc11/m68hc11.c: Likewise.
8719 * config/m68k/m68k.c, config/m68k/m68k.md: Likewise.
8720 * config/m88k/m88k.md, config/mcore/mcore.c: Likewise.
8721 * config/mips/mips.c, config/mips/mips.md: Likewise.
8722 * config/mn10200/mn10200.c, config/mn10300/mn10300.c: Likewise.
8723 * config/ns32k/ns32k.c, config/ns32k/ns32k.md: Likewise.
8724 * config/pa/pa.c, config/pdp11/pdp11.c: Likewise.
8725 * config/pdp11/pdp11.md, config/sh/sh.c, config/v850/v850.c: Likewise.
8726 * config/vax/vax.md, config/ns32k/ns32k.c: Likewise.
8727 * config/ns32k/ns32k.md: Likewise.
8729 2001-07-03 Zack Weinberg <zackw@stanford.edu>
8731 * rtl.c (copy_rtx): Handle 'T' format letter.
8732 * gensupport.c (collect_insn_data): Likewise.
8733 * print-rtl.c (print_rtx): Print 'T' slots like 's'.
8735 2001-07-03 Nick Clifton <nickc@cambridge.redhat.com>
8737 * doc/invoke.texi (Directory Options): Specifiy range for <N> in
8738 -B option. Use 'dir' not 'foo' as example directory name.
8740 2001-07-03 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8742 * config/i386/sol2.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
8743 Fixes PRs bootstrap/3067, bootstrap/3249, bootstrap/3275.
8745 2001-07-03 Joseph S. Myers <jsm28@cam.ac.uk>
8747 * doc/cppinternals.texi: Improve formatting and logical markup.
8749 2001-07-03 Andreas Jaeger <aj@suse.de>
8751 * Makefile.in (insn-recog.o): Add dependency on reload.h.
8753 * genrecog.c (write_header): Include reload.h for prototypes in
8756 2001-07-03 Neil Booth <neil@daikokuya.demon.co.uk>
8759 * i386/cygwin.h (VALID_MACHINE_DECL_ATTRIBUTE,
8760 VALID_MACHINE_TYPE_ATTRIBUTE): Remove.
8761 * i386/i386-protos.h (i386_pe_valid_decl_attribute_p,
8762 i386_pe_valid_type_attribute_p): Add.
8763 * i386/i386.c (TARGET_INITIALIZER): Override for cygwin targets.
8764 * i386/winnt.c (i386_valid_decl_attribute_p): Return directly.
8766 Mon Jul 2 21:52:19 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8768 * explow.c (plus_constant_wide, case LO_SUM): New case.
8769 (plus_constant_for_output_wide): Delete.
8770 * rtl.h (plus_constant_for_output): Delete.
8771 * alias.c (canon_rtx, init_alias_analysis): Call plus_constant
8772 instead of plus_constant_for_output.
8773 * recog.c (offsettable_address_p, adj_offsettable_operand): Likewise.
8774 * config/darwin.c, config/arm/arm.c, config/m68k/m68k.c: Likewise.
8775 * config/m88k/m88k.c, config/mips/mips.c, config/pa/pa.c: Likewise.
8776 * config/rs6000/rs6000.c, config/sparc/sparc.c: Likewise.
8777 * config/sparc/sparc.md: Likewise.
8778 Convert some change_address calls to adjust_address.
8780 2001-07-03 Joseph S. Myers <jsm28@cam.ac.uk>
8782 * doc/extend.texi, doc/gcc.texi, doc/invoke.texi, doc/md.texi,
8783 doc/rtl.texi, doc/tm.texi: Improve formatting. Improve
8784 documentation of -std and -Wwrite-strings.
8786 2001-07-02 Geoffrey Keating <geoffk@redhat.com>
8788 * cse.c (canon_hash): Don't register registers in very small
8789 register classes, as extending their lifetime might cause
8792 Mon Jul 2 23:14:00 CEST 2001 Jan Hubicka <jh@suse.cz>
8794 * flow.c (try_redirect_by_replacing_jump): Remove cc0 setter.
8796 * flow.c (forwarder_block_p): Fix for fallthru blocks.
8797 (try_redirect_by_replacing_jump): Update properly the count
8798 and frequency information.
8800 Mon Jul 2 14:20:13 2001 Jeffrey A Law (law@cygnus.com)
8802 * toplev.c (dump_file_index): Move SSA dumps just after first
8804 (dump_file): Corresponding changes.
8805 (rest_of_compilation): Move SSA path to just after the first
8807 * doc/gcc.texi (Passes): Update due to movement of SSA path.
8808 * doc/invoke.texi: Update dump file #s as they were completely
8809 out of date with reality.
8811 2001-07-02 Geoffrey Keating <geoffk@redhat.com>
8813 * doc/tm.texi (Frame Layout): Document STACK_PUSH_CODE.
8815 * expr.c (emit_move_insn_1): Deal with non-default
8818 * expr.c (emit_single_push_insn): Fix warning.
8820 2001-07-02 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
8822 * expr.c (emit_move_insn_1): Avoid modifying
8823 cfun->expr->x_stack_pointer when PUSH_ROUNDING is defined.
8825 Mon Jul 2 15:33:31 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8827 * emit-rtl.c (adjust_address): New function.
8828 * expr.h (adjust_address): Add declaration.
8829 * builtins.c: Replace some calls to change_address with calls to it
8831 * caller-save.c, dwarf2out.c, except.c, expmed.c, expr.c: Likewise.
8832 * function.c, config/a29k/a29k.md, config/alpha/alpha.c: Likewise.
8833 * config/arm/arm.c, config/convex/convex.c: Likewise.
8834 * config/dsp16xx/dsp16xx.md, config/fr30/fr30.c: Likewise.
8835 * config/i386/i386.c, config/i386/i386.md: Likewise.
8836 * config/ia64/ia64.c, config/ia64/ia64.md: Likewise.
8837 * config/m32r/m32r.c, config/m68k/m68k.md: Likewise.
8838 * config/m88k/m88k.c, config/mips/mips.md: Likewise.
8839 * config/ns32k/ns32k.c, config/rs6000/rs6000.c: Likewise.
8840 * config/sh/sh.c, config/sparc/sparc.md: Likewise.
8842 2001-07-02 Jim Wilson <wilson@redhat.com>
8844 * config/ia64/ia64.h: Delete obsolete lib1funcs.asm comment.
8846 2001-07-02 Steve Ellcey <sje@cup.hp.com>
8848 * config/ia64/t-ia64: Change LIB1ASMFUNCS to use single underscore.
8849 * config/ia64/lib1funcs.asm: Change macro names to match t-ia64.
8851 2001-07-02 Zack Weinberg <zackw@stanford.edu>
8853 * cppinit.c (lang_defaults): New table.
8854 (set_lang): Just read from lang_defaults into the live options
8857 2001-07-02 Zack Weinberg <zackw@stanford.edu>
8859 * Makefile.in (doc): Depend on $(GENERATED_MANPAGES).
8860 * doc/.cvsignore: Add gcc.1, cpp.1, gcov.1.
8861 * doc/gcc.1, doc/cpp.1, doc/gcov.1: Removed.
8863 2001-07-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8865 * doc/install.texi: Various spelling and markup fixes.
8866 (Installing GCC): Component specific installation instructions are
8869 Warn about removing old install dir in the presence of shared libs.
8870 (Configuration): Invoke with options target to match configure
8872 Consistently refer to gas, gld pathnames.
8873 Invert --enable-multilib documentation.
8874 Remove references to old compiler versions.
8876 Mon Jul 2 12:50:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8878 * flow.c (try_simplify_condjump): Fix typo in updating fallthru flags.
8880 2001-07-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8882 * doc/install.texi (Specific, mips*-sgi-irix4): Split from IRIX 5
8884 (Specific, mips*-sgi-irix5): Note IDO download.
8885 Reworded MIPS C hints.
8886 Use GNU as instead of GAS.
8888 Removed SGI Freeware reference, IRIX 6 only.
8889 (Specific, mips*-sgi-irix6): Removed ranlib caveats, obsolete.
8890 Note N64 library requirement/workaround.
8892 Complete list of structure passing bug victims.
8894 2001-07-02 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
8896 * doc/install.texi: Remove CVS Id.
8898 2001-07-02 Andreas Jaeger <aj@suse.de>
8900 * ssa-dce.c (note_inherently_necessary_set): Add unused attribute.
8901 (find_inherently_necessary): Remove unused variable.
8903 2001-07-02 Nathan Sidwell <nathan@codesourcery.com>
8905 * c-common.h (TDI_inlined): New ast dump phase.
8906 (dump_flag_name): New function.
8907 * c-dump.c (dump_files): Add inlined phase.
8908 (dump_flag_name): Define.
8909 * doc/invoke.texi (-fdump-ast-inlined): Document.
8911 Mon Jul 2 06:29:36 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8913 * stor-layout.c (layout_decl): Revert change to handling of alignment
8916 Sun Jul 1 11:53:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8918 * c-common.c (decl_attributes, case A_MODE): Don't call layout_decl
8921 2001-07-01 Geoffrey Keating <geoffk@redhat.com>
8923 * doc/tm.texi (FUNCTION_ARG): Document that the last call
8926 2001-07-01 Nathan Sidwell <nathan@codesourcery.com>
8928 * tlink.c (recompile_files): Remove COMPILER_PATH and
8929 LIBRARY_PATH from the environment.
8931 2001-07-01 Zack Weinberg <zackw@stanford.edu>
8933 * c-common.h (enum rid): Add RID_FIRST_AT, RID_LAST_AT,
8934 RID_LAST_PQ. Move RID_FIRST_PQ down with the other FIRST/LAST
8936 (OBJC_IS_AT_KEYWORD, OBJC_IS_PQ_KEYWORD): New macros.
8938 * c-parse.in (OBJC_STRING): Kill.
8939 (objc_string): Decompose to [objc_string] '@' STRING.
8940 (reswords): Take the leading '@' off all the Objective C keywords.
8941 (objc_rid_sans_at): Kill.
8942 (init_reswords): Don't initialize it.
8943 (yylexname): Use OBJC_IS_AT_KEYWORD and OBJC_IS_PQ_KEYWORD.
8944 (_yylex): Kill reconsider label. Look ahead one token after
8945 an '@'; if we get an identifier, check whether it's an
8946 Objective C @-keyword. If so, return the keyword. Otherwise,
8947 put back the token and return the '@' as a terminal.
8949 * cpplib.c (lex_macro_node): Remove unnecessary check for
8950 leading '@' on identifier. Clarify control flow and commentary.
8952 Sun Jul 1 11:53:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8954 * cse.c (new_label_ref): Variable deleted.
8955 (insert): Remove set of new_label_ref.
8956 (check_for_label_ref): New function.
8957 (cse_basic_block): Don't check new_label_ref; call check_for_label_ref.
8959 See ChangeLog.5 for earlier changes.