1 2001-09-21 Richard Henderson <rth@redhat.com>
3 * tree.def (FDESC_EXPR): New.
4 * expr.c (expand_expr): Handle it.
5 * varasm.c (initializer_constant_valid_p): Likewise.
6 (output_constant): Likewise.
7 * defaults.h (TARGET_VTABLE_USES_DESCRIPTORS): New.
8 * config/ia64/ia64.h (TARGET_VTABLE_USES_DESCRIPTORS): New.
9 (ASM_OUTPUT_FDESC): New.
10 * doc/tm.texi: Document the new macros.
12 21-09-2001 Richard Earnshaw (reanrsha@arm.com)
14 * cfgcleanup.c (merge_blocks_move_successor_nojumps): Don't leave
15 ADDR_VEC or ADDR_DIFF_VEC jump insns as part of the basic block
16 once merging is complete.
18 Fri Sep 21 11:20:12 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
20 * integrate.c (allocate_initial_values): Eliminate unused arg warning.
22 21-09-2001 Richard Earnshaw (reanrsha@arm.com)
24 * cfgcleanup.c (flow_find_cross_jump): Delete any REG_EQUAL notes
25 that would be invalid after a merge.
27 Fri Sep 21 14:24:29 CEST 2001 Jan Hubicka <jh@suse.cz>
29 * basic-block.h (flow_delete_insn, flow_delete_insn_chain): Kill.
30 * cfg.c (delete_insn): Rename from ....; use remove_insn; do not
32 (flow_delete_insn): This one.
33 (delete_insn_chain): Rename from ...; do not care labels.
34 (flow_delete_insn_chain): ... this one.
35 (flow_delete_block): Remove the insns one BB has been expunged.
36 (merge_blocks_nomove): Likewise.
37 (try_redirect_by_replacing_jump): Use delete_insn[_chain]; do not care
38 updating BB boundaries.
39 (tidy_fallthru_edge): Likewise.
40 (commit_one_edge_insertion): Likewise.
41 * cfgbuild.c (find_basic_block): Likewise.
42 (find_basic_blocks_1): Likewise.
43 * cfgcleanup.c (merge_blocks_move_predecessor_nojumps): Likewise.
44 (try_crossjump_to_edge): Likewise.
45 (try_optimize_cfg): Likewise.
46 * cse.c (delete_trivially_dead_insns): Likewise.
47 * df.c (df_insn_delete): Likewise.
48 * doloop.c (doloop_modify): Use delete_related_insns.
49 * emit-rtl.c (try_split): Likewise.
50 (remove_insn): Update BB boundaries.
51 * expect.c (connect_post_landing_pads): Use delete_related_insns.
52 * flow.c (delete_dead_jumptables): Use delete_insn[_chain]; do not care
53 updating BB boundaries.
54 (propagate_block_delete_insn): Likewise.
55 (propagate_block_delete_libcall): Likewise.
56 * function.c (delete_handlers): Use delete_related_insns.
57 (thread_prologue_and_epilogue_insns): Likewise.
58 * gcse.c (delete_null_pointer_checks): Use delete_related_insns.
59 * genpeep.c (gen_peephole): Use delete_related_insns.
60 * ifcvt.c (noce_process_if_block): Use delete_insn; do not care updating
62 (find_cond_trap): Likewise.
63 * integrate.c (save_for_inline): Use delete_related_insns.
64 (copy_insn_list): Likewise.
65 * jump.c (pruge_linie_number_notes): Likewise.
66 (duplicate_loop_exit_test): Likewise.
67 (delete_computation): Likewise.
68 (delete_related_insn): Rename from ...; use delete_insn
69 (delete_insn): ... this one.
70 (redirect_jump): Use delete_related_insns.
71 * loop.c (scan_loop): Likewise.
72 (move_movables): Likewise.
73 (find_and_verify_loops): Likewise.
74 (check_dbra_loop): Likewise.
75 * recog.c (peephole2_optimize): Likewise.
76 * reg-stack.c (delete_insn_for_stacker): Remove.
77 (move_for_stack_reg): Use delete_insn.
78 * regmove.c (combine_stack_adjustments_for_block): Likewise.
79 * reload1.c (delete_address_reloads): Use delete_related_insns.
80 (fixup_abnormal_edges): Use delete_insn.
81 * recog.c (emit_delay_sequence): Use delete_related_insns.
82 (delete_from-delay_slot): Likewise.
83 (delete_scheduled_jump): likewise.
84 (optimize_skip): Likewise.
85 (try_merge_delay_insns): Likewise.
86 (full_simple_delay_slots): Likewise.
87 (fill_slots_from_thread): Likewise.
88 (relax_delay_slots): Likewise.
89 (make_return_insns): Likewise.
90 (dbr_schedule): Likewise.
91 * rtl.h (delete_insn): Rename to delete_related_insns.
92 (delete_insn, delete_insn_chain): New prototypes.
93 * ssa-ccp (sse_fast_dce): Remove deleting of DEF, as it is done
94 by df_insn_delete already.
95 * ssa-dce.c (delete_insn_bb): Use delete_insn.
96 * ssa.c (convert_from_ssa): Use delete_related_insns.
97 * unroll.c (unroll_loop): Likewise.
98 (calculate_giv_inc): Likewise.
99 (copy_loop_body): Likewise.
101 * i386-protos.h (ix86_libcall_value, ix86_function_value,
102 ix86_function_arg_regno_p, ix86_function_arg_boundary,
103 ix86_return_in_memory, ix86_function_value): Declare.
104 * i386.c (x86_64_int_parameter_registers, x86_64_int_return_registers):
105 new static valurables.
106 (x86_64_reg_class): New enum
107 (x86_64_reg_class_name): New array.
108 (classify_argument, examine_argument, construct_container,
109 merge_classes): New static functions.
110 (optimization_options): Enable flag_omit_frame_pointer and disable
111 flag_pcc_struct_return on 64bit.
112 (ix86_libcall_value, ix86_function_value,
113 ix86_function_arg_regno_p, ix86_function_arg_boundary,
114 ix86_return_in_memory, ix86_function_value): New global functions.
115 (init_cumulative_args): Refuse regparm on x86_64, set maybe_vaarg.
116 (function_arg_advance): Handle x86_64 passing conventions.
117 (function_arg): Likewise.
118 * i386.h (FUNCTION_ARG_BOUNDARY): New macro.
119 (RETURN_IN_MEMORY): Move offline.
120 (FUNCTION_VALUE, LIBCALL_VALUE): Likewise.
121 (FUNCTION_VALUE_REGNO_P): New macro.
122 (FUNCTION_ARG_REGNO_P): Move offline.
123 (struct ix86_args): Add maybe_vaarg.
124 * next.h (FUNCTION_VALUE_REGNO_P): Delete.
125 * unix.h (FUNCTION_VALUE_REGNO_P): Delete.
127 2001-09-21 Hartmut Penner <hpenner@de.ibm.com>
129 * s390.md: Changed attributes for scheduling.
130 * s390.c: (s390_adjust_cost, s390_adjust_priority)
133 2001-09-21 Joseph S. Myers <jsm28@cam.ac.uk>
135 Table-driven attributes.
136 * c-decl.c, config/alpha/alpha.c, config/arc/arc.c,
137 config/arm/arm.c, config/arm/pe.c, config/avr/avr.c,
138 config/avr/avr.h, config/d30v/d30v.h, config/fr30/fr30.h,
139 config/h8300/h8300.c, config/i386/cygwin.h, config/i386/winnt.c,
140 config/m32r/m32r.c, config/mcore/mcore.c, config/sh/sh.c,
141 config/stormy16/stormy16.h, config/v850/v850.c, doc/c-tree.texi,
142 doc/tm.texi, ggc-common.c, integrate.c, print-tree.c, tree.c,
143 tree.h: Rename DECL_MACHINE_ATTRIBUTES to DECL_ATTRIBUTES.
144 * tree.h (struct tree_decl): Change machine_attributes to
146 * doc/c-tree.texi: Document that all attributes are now attached
148 * c-common.c (add_attribute, attrtab, attrtab_idx,
149 default_valid_lang_attribute, valid_lang_attribute): Remove.
150 (attribute_tables, attributes_initialized,
151 c_common_attribute_table, default_lang_attribute_table): New
153 (handle_packed_attribute, handle_nocommon_attribute,
154 handle_common_attribute, handle_noreturn_attribute,
155 handle_unused_attribute, handle_const_attribute,
156 handle_transparent_union_attribute, handle_constructor_attribute,
157 handle_destructor_attribute, handle_mode_attribute,
158 handle_section_attribute, handle_aligned_attribute,
159 handle_weak_attribute, handle_alias_attribute,
160 handle_no_instrument_function_attribute,
161 handle_no_check_memory_usage_attribute, handle_malloc_attribute,
162 handle_no_limit_stack_attribute, handle_pure_attribute): New
164 (init_attributes, decl_attributes): Rewrite to implement
165 table-driven attributes.
166 * c-common.h (enum attribute_flags): Move to tree.h.
167 * c-format.c (decl_handle_format_attribute,
168 decl_handle_format_arg_attribute): Rename to
169 handle_format_attribute and handle_format_arg_attribute. Update
170 for table-driven attributes.
171 * c-common.h (decl_handle_format_attribute,
172 decl_handle_format_arg_attribute): Remove prototypes.
173 (handle_format_attribute, handle_format_arg_attribute): Add
175 * c-decl.c (grokdeclarator): Handle attributes nested inside
177 * c-parse.in (setattrs, maybe_setattrs): Remove.
178 (maybe_type_quals_setattrs): Rename to maybe_type_quals_attrs.
179 Update to handle nested attributes properly.
180 (maybe_resetattrs, after_type_declarator,
181 parm_declarator_nostarttypename, notype_declarator, absdcl1_noea,
182 absdcl1_ea, direct_absdcl1): Update to handle nested attributes
184 (make_pointer_declarator): Update to handle nested attributes
186 * doc/extend.texi: Update documentation of limits of attributes
187 syntax. Warn about problems with attribute semantics in C++.
188 * target.h (struct target): Remove valid_decl_attribute and
189 valid_type_attribute. Add attribute_table and
190 function_attribute_inlinable_p.
191 * target-def.h (TARGET_VALID_DECL_ATTRIBUTE,
192 TARGET_VALID_TYPE_ATTRIBUTE): Remove.
193 (TARGET_ATTRIBUTE_TABLE, TARGET_FUNCTION_ATTRIBUTE_INLINABLE_P):
195 (TARGET_INITIALIZER): Update.
196 * integrate.c (FUNCTION_ATTRIBUTE_INLINABLE_P): Remove default
198 (function_attribute_inlinable_p): New function. Check for the
199 presence of any machine attributes before using
200 targetm.function_attribute_inlinable_p.
201 (function_cannot_inline_p): Update.
202 * Makefile.in (integrate.o): Update dependencies.
203 * doc/tm.texi: Update documentation of target attributes and
204 example definition of TARGET_VALID_TYPE_ATTRIBUTE.
205 * tree.c (default_valid_attribute_p, valid_machine_attribute):
207 (default_target_attribute_table,
208 default_function_attribute_inlinable_p): New.
209 (lookup_attribute): Update comment to clarify handling of multiple
210 attributes with the same name.
211 (merge_attributes, attribute_list_contained): Allow multiple
212 attributes with the same name but different arguments to appear in
213 the same attribute list.
214 * tree.h (default_valid_attribute_p): Remove prototype.
215 (struct attribute_spec): New.
216 (default_target_attribute_table): Declare.
217 (enum attribute_flags): Move from c-common.h. Add
218 ATTR_FLAG_TYPE_IN_PLACE.
219 (default_function_attribute_inlinable_p): Declare.
220 * config/alpha/alpha.c (vms_valid_decl_attribute_p): Remove.
221 (TARGET_VALID_DECL_ATTRIBUTE): Don't define.
222 (TARGET_ATTRIBUTE_TABLE): Define.
223 (vms_attribute_table): New.
224 * config/arc/arc.c (arc_valid_decl_attribute): Remove.
225 (TARGET_VALID_DECL_ATTRIBUTE): Don't define.
226 (TARGET_ATTRIBUTE_TABLE): Define.
227 (arc_attribute_table, arc_handle_interrupt_attribute): New.
228 * config/arm/arm.c (arm_valid_type_attribute_p,
229 arm_valid_decl_attribute_p, arm_pe_valid_decl_attribute_p):
231 (TARGET_VALID_TYPE_ATTRIBUTE, TARGET_VALID_DECL_ATTRIBUTE): Don't
233 (TARGET_ATTRIBUTE_TABLE): Define.
234 (arm_attribute_table, arm_handle_fndecl_attribute,
235 arm_handle_isr_attribute): New.
236 * config/avr/avr.c (avr_valid_type_attribute,
237 avr_valid_decl_attribute): Remove.
238 (TARGET_VALID_DECL_ATTRIBUTE, TARGET_VALID_TYPE_ATTRIBUTE): Don't
240 (TARGET_ATTRIBUTE_TABLE): Define.
241 (avr_attribute_table, avr_handle_progmem_attribute,
242 avr_handle_fndecl_attribute): New.
243 * config/c4x/c4x.c (c4x_valid_type_attribute_p): Remove.
244 (TARGET_VALID_TYPE_ATTRIBUTE): Don't define.
245 (TARGET_ATTRIBUTE_TABLE): Define.
246 (c4x_attribute_table, c4x_handle_fntype_attribute): New.
247 * config/h8300/h8300.c (h8300_valid_decl_attribute): Remove.
248 (TARGET_VALID_DECL_ATTRIBUTE): Don't define.
249 (TARGET_ATTRIBUTE_TABLE): Define.
250 (h8300_attribute_table, h8300_handle_fndecl_attribute,
251 h8300_handle_eightbit_data_attribute,
252 h8300_handle_tiny_data_attribute): New.
253 * config/i386/i386-protos.h (ix86_valid_type_attribute_p,
254 i386_pe_valid_decl_attribute_p, i386_pe_valid_type_attribute_p):
256 (ix86_handle_dll_attribute, ix86_handle_shared_attribute): New
258 * config/i386/i386.c (ix86_valid_type_attribute_p: Remove.
259 (TARGET_VALID_TYPE_ATTRIBUTE, TARGET_VALID_DECL_ATTRIBUTE): Don't
261 (TARGET_ATTRIBUTE_TABLE): Define.
262 (ix86_attribute_table, ix86_handle_cdecl_attribute,
263 ix86_handle_regparm_attribute): New.
264 * config/i386/winnt.c (i386_pe_valid_decl_attribute_p,
265 i386_pe_valid_type_attribute_p): Remove.
266 (ix86_handle_dll_attribute, ix86_handle_shared_attribute): New.
267 * config/ia64/ia64.c (ia64_valid_type_attribute): Remove.
268 (TARGET_VALID_TYPE_ATTRIBUTE): Don't define.
269 (TARGET_ATTRIBUTE_TABLE): Define.
270 (ia64_attribute_table): New.
271 * config/m32r/m32r.c (m32r_valid_decl_attribute, interrupt_ident1,
272 interrupt_ident2, model_ident1, model_ident2): Remove.
273 (TARGET_VALID_DECL_ATTRIBUTE): Don't define.
274 (TARGET_ATTRIBUTE_TABLE): Define.
275 (init_idents): Update.
276 (m32r_attribute_table, m32r_handle_model_attribute): New.
277 * config/m68hc11/m68hc11.c (m68hc11_valid_type_attribute_p):
279 (TARGET_VALID_TYPE_ATTRIBUTE): Don't define.
280 (TARGET_ATTRIBUTE_TABLE): Define.
281 (m68hc11_attribute_table, m68hc11_handle_fntype_attribute): New.
282 * config/mcore/mcore.c (mcore_valid_decl_attribute): Remove.
283 (TARGET_VALID_DECL_ATTRIBUTE): Don't define.
284 (TARGET_ATTRIBUTE_TABLE): Define.
285 (mcore_attribute_table, mcore_handle_naked_attribute): New.
286 * config/ns32k/ns32k.c (ns32k_valid_type_attribute_p): Remove.
287 (TARGET_VALID_TYPE_ATTRIBUTE): Don't define.
288 (TARGET_ATTRIBUTE_TABLE): Define.
289 (ns32k_attribute_table, ns32k_handle_fntype_attribute): New.
290 * config/rs6000/rs6000.c (rs6000_valid_type_attribute_p): Remove.
291 (TARGET_VALID_TYPE_ATTRIBUTE): Don't define.
292 (TARGET_ATTRIBUTE_TABLE): Define.
293 (rs6000_attribute_table, rs6000_handle_longcall_attribute): New.
294 * config/sh/sh.c (sh_valid_decl_attribute): Remove.
295 (TARGET_VALID_DECL_ATTRIBUTE): Don't define.
296 (TARGET_ATTRIBUTE_TABLE): Define.
297 (sh_attribute_table, sh_handle_interrupt_handler_attribute,
298 sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
300 * config/stormy16/stormy16.c (stormy16_valid_type_attribute):
302 (TARGET_VALID_TYPE_ATTRIBUTE): Don't define
303 (TARGET_ATTRIBUTE_TABLE): Define.
304 (stormy16_attribute_table, stormy16_handle_interrupt_attribute):
306 * config/v850/v850.c (v850_valid_decl_attribute): Remove.
307 (TARGET_VALID_DECL_ATTRIBUTE): Don't define.
308 (TARGET_ATTRIBUTE_TABLE): Define.
309 (v850_attribute_table, v850_handle_interrupt_attribute,
310 v850_handle_data_area_attribute): New.
311 * config/v850/v850-c.c (mark_current_function_as_interrupt):
312 Return void. Call decl_attributes instead of
313 valid_machine_attribute.
315 Fri Sep 21 01:49:41 2001 J"orn Rennecke <amylaar@redhat.com>
317 * sh-protos.h (sh_pr_n_sets): Declare.
318 * sh.c (calc_live_regs): If the initial value for PR has been copied,
319 look at the copy to determine if PR needs to be saved.
320 sh_pr_n_sets: New function.
321 * sh.h (RETURN_ADDR_RTX): Use get_hard_reg_initial_val.
322 (ALLOCATE_INITIAL_VALUE): Define.
324 * sh.c (initial_elimination_offset):
325 Fix RETURN_ADDRESS_POINTER_REGNUM case.
327 Fri Sep 21 01:13:56 2001 J"orn Rennecke <amylaar@redhat.com>
329 * integrate.c (allocate_initial_values): New function.
330 * integrate.h (allocate_initial_values): Declare.
331 * local-alloc.c (local_alloc): Move call to allocate_reg_info from
333 * reload1.c (reload): And initialization of reg_equiv_memory_loc
335 * toplev.c (rest_of_compilation): To here.
336 Call allocate_initial_values.
337 * tm.texi: add description for ALLOCATE_INITIAL_VALUE.
339 Thu Sep 20 09:00:27 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
341 * ggc-page.c (ggc_marked_p): Properly convert return to boolean.
343 2001-09-20 DJ Delorie <dj@redhat.com>
345 * c-typeck.c (really_start_incremental_init): Discriminate
346 between zero-length arrays and flexible arrays.
347 (push_init_level): Detect zero-length arrays and handle them
348 like fixed-sized arrays.
349 * expr.c (store_constructor): Handle zero-length arrays and
350 flexible arrays correctly.
351 * doc/extend.texi: Update zero-length array notes.
353 2001-09-20 Jim Wilson <wilson@redhat.com>
355 * config/ia64/ia64.c (itanium_split_issue): Allow max 2 FP per cycle.
356 (insn_matches_slot): Handle TYPE_L and TYPE_X slots when checking
357 for issue port conflicts.
358 (cycle_end_fill_slots): TYPE_L instructions take two slots.
360 2001-09-20 Andrew MacLeod <amacleod@redhat.com>
362 * testsuite/gcc.c-torture/execute/990208-1.x: New. XFAIL at -O3
365 Thu Sep 20 09:00:27 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
367 * fold-const.c (hashtab.h): Include.
368 (int_const_binop): Remove FORSIZE arg and compute from type; all
370 Call size_int_type_wide for all single-word constants.
371 (size_htab_hash, size_htab_eq): New functions.
372 (size_int_type_wide): Rework to use hash table.
373 * ggc-common.c (hashtab.h): Include.
374 (struct d_htab_root): New struct.
375 (d_htab_roots): New variable.
376 (ggc_add_deletable_htab, ggc_htab_delete): New functions
377 (ggc_mark_roots): Handle deletable htabs.
378 * ggc-page.c (ggc_marked_p): New function.
379 * ggc-simple.c (ggc_marked_p): Likewise.
380 * ggc.h: Reformatting throughout.
381 (ggc_marked_p, ggc_add_deletable_htab): New declarations.
382 * tree.c (init_obstacks): Make type_hash_table a deletable root.
383 (type_hash_add): Allocate struct type_hash from GC memory.
384 (mark_hash_entry, mark_type_hash): Deleted.
385 (type_hash_marked_p, type_hash_mark): New functions.
386 * Makefile.in (ggc-common.o, fold-const.o): Include hashtab.h.
388 Thu Sep 20 12:49:34 2001 J"orn Rennecke <amylaar@redhat.com>
390 * sh.c (shiftcosts): Don't use shiftcosts array for modes wider
393 Thu Sep 20 09:00:27 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
395 * stor-layout.c (layout_type, case ARRAY_TYPE): Kludge to disable
396 array-too-large test for signed sizetype.
398 Thu Sep 20 12:19:36 CEST 2001 Jan Hubicka <jh@suse.cz>
400 * i386.md (indirect_jump): Allow Pmode operand.
401 (tablejump): LIkewise; perform expansion to 64bit mode.
402 * i386.c (symbolic_operand): Allow 64bit PIC references.
403 (pic_symbolic_operand): Likewise.
404 (ix86_find_base_term): Strip the 64bit PIC references.
405 (legitimate_pic_address_disp_p): Handle 64bit PIC.
406 (legitimize_pic_address): Likewise.
407 (i386_simplify_dwarf_addr): Strip down the 64bit PIC references.
408 * i386.h (CASE_VECTOR_MODE): Set to SImode for 64bit PIC compilation.
410 2001-09-19 Alexandre Petit-Bianco <apbianco@redhat.com>
412 * stringpool.c (get_identifier_with_length): New function.
413 * tree.h (get_identifier_with_length): New prototype.
415 2001-09-19 Alan Modra <amodra@bigpond.net.au>
416 David Edelsohn <edelsohn@gnu.org>
419 * config/rs6000/rs6000.c (logical_operand): CONST_INTs are
420 already sign-extended.
422 * config/rs6000/aix.h (INIT_TARGET_OPTABS): Define TFmode handlers.
423 * config/rs6000/rs6000.c (logical_operand): Always compare op as
425 (rs6000_emit_set_long_const): Avoid unnecessary shift.
426 (output_profile_hook): Declare label_name const.
427 * config/rs6000/rs6000.md (boolcsi3, boolcdi3): Change predicates
428 to match constraints.
430 2001-09-19 Stan Shebs <shebs@apple.com>
432 * alias.c: Fix typos in comments.
433 * sched-rgn.c (init_ready_list): Ditto.
434 * unwind-dw2.c (uw_frame_state_for): Ditto.
435 * unwind-dw2-fde.c (_Unwind_Find_FDE): Ditto.
436 * unwind.inc (_Unwind_RaiseException_Phase2): Ditto.
437 * config/rs6000/rs6000.c (rs6000_adjust_priority): Ditto.
439 2001-09-19 Richard Henderson <rth@redhat.com>
441 * cfg.c (force_nonfallthru_and_redirect): Handle redirecting
443 * Makefile.in (cfg.o): Depend on TM_P_H.
445 2001-09-19 Richard Henderson <rth@redhat.com>
447 * config/alpha/alpha.c (local_symbol_p): Split out from ...
448 (local_symbolic_operand): ... here.
449 (small_symbolic_operand): Check mode.
450 (global_symbolic_operand): New.
451 (input_operand): Reject symbolics if explicit relocs.
452 (call_operand): Tidy.
453 (alpha_legitimize_address): Use movdi_er_high_g.
454 (alpha_expand_mov): Likewise.
455 * config/alpha/alpha-protos.h: Update.
456 * config/alpha/alpha.h (PREDICATE_CODES): Update.
457 * config/alpha/alpha.md (UNSPEC_LITERAL, UNSPEC_LITUSE): New.
458 (UNSPEC_LDGP2, UNSPECV_PLDGP2): New.
459 (UNSPECV_LDGP2): Remove.
460 (all call patterns): Use 's' not 'i' for symbolic constraint.
461 (call_osf call_value_osf): Use call_operand.
462 (all osf call patterns): Use $gp. New peepholes for explicit relocs.
463 (movdi_er_nofix, movdi_er_fix): Remove symbolic alternative.
464 (prologue_ldgp_1_er): Remove.
465 (ldgp_er_1, ldgp_er_2, prologue_ldgp_er_2): New.
466 (builtin_setjmp_receiver_er patterns): Use them.
467 (exception_receiver_er): Likewise.
469 2001-09-19 Richard Henderson <rth@redhat.com>
471 * cfgbuild.c (find_sub_basic_blocks): Handle insns that can throw.
473 * emit-rtl.c (try_split): Copy NORETURN, SETJMP, ALWAYS_RETURN
474 and NON_LOCAL_GOTO notes.
475 * recog.c (peephole2_optimize): Likewise. Handle EH_REGION;
476 copy over CALL_INSN_FUNCTION_USAGE.
478 2001-09-18 Catherine Moore <clm@redhat.com>
480 * config/stormy16/stormy16.h (DEFAULT_PCC_STRUCT_RETURN):
483 2001-09-18 Ulrich Weigand <uweigand@de.ibm.com>:
485 * config.gcc (s390-*-linux-*, s390x-*-linux*): Switch to
486 new-style tm_file specification. Specify correct tm_p_file,
487 md_file, and out_file for s390x.
489 * config/s390/linux.h, linux64.h: Don't include other target
490 macro header files. Now handled via tm_file.
492 * config/s390/linux.h, s390.h: (IEEE_FLOAT, TARGET_IEEE_FLOAT,
493 TARGET_IBM_FLOAT): Move from linux.h to s390.h to ensure they
494 are defined before use.
496 Tue Sep 18 09:51:11 2001 Eric Christopher <ecechristo@redhat.com>
498 * config/mips/mips.c (mips_asm_file_start): Conditionalize Elf
499 code generation only for Gnu assembler.
501 2001-09-18 Catherine Moore <clm@redhat.com>
503 * config/stormy16 (LIB_SPEC): Remove -lnosys.
505 2001-09-18 Richard Sandiford <rsandifo@redhat.com>
507 * config/mips/mips.c (mips_frame_set): New.
508 (mips_emit_frame_related_store): When storing two 32-bit FPRs, use
509 a parallel frame-related expression with a set for each register.
511 2001-09-18 Philip Blundell <philb@gnu.org>
513 * config/arm/lib1funcs.asm (L_dvmd_lnx): Don't rely on kernel
516 2001-09-17 Dale Johannesen <dalej@apple.com>
518 * config/rs6000/rs6000.h (FIXED_REGISTERS): Use FIXED_R2.
519 * config/rs6000/aix.h (FIXED_R2): Define.
520 * config/rs6000/darwin.h (FIXED_R2): Define.
521 * config/rs6000/sysv4.h (FIXED_R2): Define.
523 2001-09-17 Jeff Sturm <jsturm@one-point.com>
525 * except.c (dw2_build_landing_pads): New local
526 clobbers_hard_regs. Emit an ASM_INPUT as a scheduling
527 barrier after clobbers. Fixes c++/4012.
529 2001-09-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
531 * gcc.c (find_file): Use ACONCAT in lieu of alloca/strcpy/strcat.
533 2001-09-17 Joseph S. Myers <jsm28@cam.ac.uk>
535 * dostage2, dostage3, listing, make-l2.com, makefile.vms,
536 patch-apollo-includes, vmsconfig.com: Remove obsolete files.
538 2001-09-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
540 * c-aux-info.c (affix_data_type): Use ASTRDUP in lieu of
543 2001-09-17 Neil Booth <neil@daikokuya.demon.co.uk>
545 * cpphash.h (_cpp_lex_direct): New.
546 * cpplex.c (_cpp_lex_token): Update.
547 (lex_token): Rename _cpp_lex_direct; lex into pfile->cur_token,
548 and increment that pointer.
549 * cppmacro.c (alloc_expansion_token): New.
550 (lex_expansion_token): Lex macro expansion directly into
553 2001-09-16 Brad Lucier <lucier@math.purdue.edu>
555 * Makefile.in: Make rtl-error.o depend on $(CONFIG_H).
557 Sun Sep 16 21:59:46 CEST 2001 Jan hubicka <jh@suse.cz>
559 * basic-block.h (free_bb_for_insn): Declare.
560 * bb-reorder.c (label_for_bb): Use block_label.
561 (emit_jump_to_block_after): Remove.
562 (insert_intra_1): Do not update block_for_insn.
563 (insert_inter_bb_scope_notes): Likewise; update bb->end
564 * cfg.c (free_bb_for_insn): New.
565 (try_rediret_by_replacing_jump): Avoid set_block_for_new_insns call.
566 (force_nonfallthru_and_redirect): Likewise; do not update BB boundaries.
567 (commit_one_edge_insertion): Likewise.
568 (commit_one_edge_insertion): Do not update BB boundary.
569 (commit_edge_insertions): Do not call compute_bb_for_insn.
570 * cfgbuild.c (find_basic_blocks): Do not free basic_block_for_insn.
571 * cfgcleanup.c (merge_blocks_move_predecessor): Use reorder_insns_nobb.
572 (merge_blocks_move_successor_nojumps): Likewise.
573 (try_crossjump_to_edge): Do not update block_for_insn.
574 * combine.c (combine_instructions): Remove compute_bb_for_insn call.
575 * df.c (df_pattern_emit_later): Do not update BB boundary.
576 (df_jump_pattern_emit_after): Likewise.
577 (df_insn_move_before): Use emit_insn_before.
578 * emit-rtl.c (try_split): Emit after trial to get bb boundary updated
580 (add_insn_after, add_insn_before, emit_insns_after): Update BB
581 boundaries and basic_block_for_insn.
582 (reorder_insns_nobb): Rename from reorder_insns.
583 (reorder_insns): New.
584 (emit_block_insn_before, emit_block_insn_after): Kill.
585 * flow.c (check_function_return_warnings): Do not call
586 compute_bb_for_insn; Do not free basic_block_for_insn.
587 (attempt_auto_inc): Do not update basic_block_for_insn.
588 * function.c (emit_return_into_block): Likewise;
589 do not update BB boundaries.
590 * gcse.c (handle_avail_expr): Do not update basic_block_for_insn.
591 (insert_insn_end_bb): Use emit_insn_before; Likewise.
592 (pre_insert_copy_insn): Likewise.
593 (update_ld_motion_notes): Likewise.
594 (insert_insn_start_bb): Likewise.
595 (replace_store_insn): Likewise.
596 * ifcvt.c (noce_process_if_block): Likewise.
597 (if_convert): Do not call compute_bb_for_insn.
598 * lcm.c (optimize_mode_switching): Do not update BB boundaries.
599 Use emit_insn_before and emit_insn_after.
600 * recog.c (split_all_insns): Do not update BB boundaries;
601 Do not call compute_bb_for_insn.
602 (peephole2_optimize): Do not update BB boundaries.
603 * reg-stack.c (emit_pop_insn): Use emit_insn_after and
605 (emit_swap_insn): Likewise.
606 (convert_regs_1): Likewise.
607 * reload1.c (reload): Call compute_bb_for_insn.
608 * rtl.h (reorder_insns_nobb): Declare.
609 * ssa.c (rename_equivalent_regs): Use emit_insn_before.
610 * toplev.c (rest_of_compilation): Call free_bb_for_insn
611 at places CFG is invalidated; do not call compute_bb_for_insn.
613 * cfg.c (expunge_block): Invalidate BB structure.
615 * (merge_blocks_nomove): Update properly BLOCK_FOR_INSN
618 * cfg.c (verify_flow_info): Verify the basic_block_for_insn array.
620 2001-09-16 Neil Booth <neil@daikokuya.demon.co.uk>
622 * cpphash.h (_cpp_lex_token): Update prototype.
623 * cpplex.c (_cpp_lex_token): New prototype.
624 * cpplib.c (skip_rest_of_line, check_eol, _cpp_handle_directive,
625 lex_macro_node, read_flag, do_pragma_poison): Update.
626 * cppmacro.c (cpp_get_token, parse_params,
627 lex_expansion_token): Update.
629 2001-09-16 Neil Booth <neil@daikokuya.demon.co.uk>
631 * cppmain.c (scan_translation_unit): Don't worry about
632 putting a space after hashes.
633 * cpplib.c (directive_diagnostics): New.
634 (_cpp_handle_directive): Update to use directive_diagnostics.
635 (run_directive): Don't toggle prevent_expansion.
636 (do_line): Backup in case of the line extension.
637 * cpplib.h (cpp_lexer_pos): Remove.
638 * cppmacro.c (_cpp_create_definition): Precede a leading #
641 2001-09-15 Richard Henderson <rth@redhat.com>
643 * c-typeck.c (comptypes): Handle zero-length arrays properly.
645 2001-09-15 Roman Lechtchinsky <rl@cs.tu-berlin.de>
647 * c-common.c (c_promoting_integer_type_p): Handle ?Imode types.
649 2001-09-15 Neil Booth <neil@daikokuya.demon.co.uk>
652 * tradcpp.c (handle_directive): Skip non-vertical space.
654 2001-09-15 Neil Booth <neil@daikokuya.demon.co.uk>
656 * cppmain.c (setup_callbacks): Set line callback only
657 if outputting preprocessed source.
659 2001-09-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
661 * collect2.c (main): Const-ification.
662 * gcc.c (translate_options, process_command): Use xstrdup in
663 lieu of xmalloc/strcpy.
664 (main): Use concat in lieu of xmalloc/strcpy/strcat.
666 2001-09-14 Roman Lechtchinsky <rl@cs.tu-berlin.de>
668 * doc/install.texi (Specific, alphaev5-cray-unicosmk*): Fix
671 2001-09-15 Neil Booth <neil@daikokuya.demon.co.uk>
673 * scan-decls.c (scan_decls): Fix typo.
675 2001-09-15 Neil Booth <neil@daikokuya.demon.co.uk>
677 * cpphash.h (struct cpp_reader): Remove lexer_pos, directive_pos.
678 Split mlstring_pos into mls_line and mls_col.
679 * cppinit.c (cpp_create_reader): Initialize line to 1.
680 (cpp_destroy): Free tokenruns.
681 (push_include): Don't update lexer_pos.
682 * cpplex.c (unterminated, parse_string): Update.
683 (lex_token): Don't update lexer_pos, update.
684 * cpplib.c (if_stack): Save line instead of line + col.
685 (start_directive, _cpp_do__Pragma, do_else, do_elif,
686 push_conditional, _cpp_pop_buffer): Update.
687 * cppmacro.c (funlike_invocation_p): Don't save lexer_pos.
688 (_cpp_create_definition): Update.
690 2001-09-15 Eric Christopher <echristo@redhat.com>
692 * config/mips/abi64.h: Add support for MEABI.
694 2001-09-15 Eric Christopher <echristo@redhat.com>
696 * config/mips/mips.md: Add unspec #2.
698 (reload_outdi): Ditto.
699 (reload_outsi): Ditto.
702 2001-09-15 Eric Christopher <echristo@redhat.com>
703 Jason Eckhardt <jle@redhat.com>
705 * config.gcc: Add mipsisa32 target and mipsisa32-linux target.
706 * config/mips/isa32-linux.h: New file.
707 * config/mips/isa3264.h: Ditto.
708 * config/mips/mips-protos.h: Add mips_hard_regno_nregs.
709 * config/mips/mips.c (mips_hard_regno_nregs): Move here from mips.h.
710 (output_block_mode): Support MEABI.
711 (function_arg): Ditto. Fix floating point arg passing.
712 (mips_va_start): Ditto.
713 (override_options): Add isas 32 and 64, meabi, mips32 and mips64
715 (mips_asm_file_start): Add new section to pass abi to gdb.
716 (function_arg_pass_by_reference): Support MEABI.
717 (mips_parse_cpu): Support mips32 and mips64 processors.
718 * config/mips/mips.h: Support ABI_MEABI, TARGET_MIPS4KC,
719 TARGET_MIPS5KC. Support isa32 and isa64.
720 (processor_type): Add r4kc, r5kc, r20kc.
721 (GENERATE_MULT3_SI): New.
722 (GENERATE_MULT3_DI): Ditto.
723 (GENERATE_MULT3): Remove.
724 (ISA_HAS_64BIT_REGS): Add isa == 64.
725 (ISA_HAS_8CC): Add mips_isa = 32 and 64.
726 (ISA_HAS_MADD_MSUB): New.
727 (ISA_HAS_CLZ_CLO): Ditto.
728 (ISA_HAS_DCLZ_DCLO): Ditto.
729 (ABI_GAS_ASM_SPEC): New.
730 (GAS_ASM_SPEC): Use. Add support for mips32, mips64.
733 (SUBTARGET_CC1_SPEC): Ditto.
734 (SUBTARGET_CPP_SIZE_SPEC): Ditto.
735 (PAD_VARARGS_DOWN): Support MEABI.
736 (HARD_REGNO_NREGS): Move to mips.c.
737 (ASM_OUTPUT_IDENT): Add #undef.
738 * config/mips/mips.md: Add r4kc, r5kc, r20kc.
739 (mulsi3): Use GENERATE_MULT3_SI.
740 (mulsi3_mult3): Ditto. Support mips32, mips64.
741 (mul_acc_si): Use ISA_HAS_MADD_MSUB.
742 (mul_sub_si): New pattern.
743 (unnamed splitters): New.
744 (muldi3): Use GENERATE_MULT3_DI.
745 (muldi3_internal2): Ditto.
746 (movdicc): Support mips32.
747 * config/mips/t-isa3264: New file.
749 2001-09-15 Hans-Peter Nilsson <hp@axis.com>
751 * rtl.h (FIND_REG_INC_NOTE) [HAVE_PRE_INCREMENT
752 || HAVE_PRE_DECREMENT || HAVE_POST_INCREMENT
753 || HAVE_POST_DECREMENT]: Call find_regno_note for REGs.
755 * reorg.c (fill_slots_from_thread): After call to
756 steal_delay_list_from_target, update own_thread as new_thread may
759 2001-09-14 Neil Booth <neil@daikokuya.demon.co.uk>
761 * cpperror.c (print_location): Take line and column, for
762 default positioning use the previously lexed token.
763 (_cpp_begin_message): Take line and column.
764 (cpp_ice, cpp_fatal, cpp_error, cpp_error_with_line, cpp_warning,
765 cpp_warning_with_line, cpp_pedwarn, cpp_pedwarn_with_line): Update.
766 * cpphash.h (_cpp_begin_message): Update prototype.
767 * cppinit.c (push_include): Don't set output line.
768 * cpplex.c (_cpp_lex_token): Callback for start of new output lines.
769 * cpplib.c (do_diagnostic, _cpp_pop_buffer): Update.
770 (do_pragma): Kludge for front ends. Don't expand macros at all.
771 * cpplib.h (cpp_lookahead, cpp_token_with_pos, cpp_get_line): Remove.
772 (struct cpp_token): Remove output_line.
773 (struct cpp_callbacks): New member line_change.
774 * cppmacro.c (builtin_macro, paste_all_tokens, replace_args,
775 cpp_get_token): Preserve BOL flag.
776 (cpp_get_line): Remove.
777 (_cpp_backup_tokens): Remove useless abort().
778 * cppmain.c (cb_line_change): New.
779 (scan_translation_unit): Don't worry about starting new lines here.
780 * scan-decls.c (scan_decls): Update.
781 * c-lex.c (c_lex, init_c_lex): Update.
782 (cb_line_change, src_lineno): New.
784 Fri Sep 14 13:54:50 EDT 2001 John Wehle (john@feith.com)
786 * tree.c (append_random_chars): Generate the random
787 characters in a reproducable fashion.
789 2001-09-14 Richard Henderson <rth@redhat.com>
791 * config/i386/i386.c (internal_label_prefix): New.
792 (internal_label_prefix_len): New.
793 (override_options): Set them.
794 (local_symbolic_operand): New.
795 (legitimate_pic_address_disp_p): Use it.
796 (legitimize_pic_address): Likewise.
798 2001-09-14 Marc Espie <espie@openbsd.org>
800 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Generate reference to GOT
803 2001-09-14 Roman Lechtchinsky <rl@cs.tu-berlin.de>
805 * config/alpha/alpha.md (unaligned_extendhidi_be): Fix.
806 * config/alpha/unicosmk.h (INIT_TARGET_OPTABS): New.
808 2001-09-14 Nick Clifton <nickc@cambridge.redhat.com>
810 * rtlanal.c (subreg_regno_offset): Add semicolon to end of
811 invocation of SUBREG_REGNO_OFFSET.
813 * haifa-sched.c: Fix typo in FSF copyright statement.
814 * sched-deps.c: Fix typo in FSF copyright statement.
815 * sched-ebb.c: Fix typo in FSF copyright statement.
816 * sched-rgn.c: Fix typo in FSF copyright statement.
817 * sched-vis.c: Fix typo in FSF copyright statement.
819 * config.gcc: Move inclusion of arm elf specific header files
820 from the files themselves into the tm_file variable. Make
821 sure that elfos.h is included before target specific elf
823 * config/arm/aout.h (NO_DOLLAR_IN_LABEL): Only define if not
825 (ASM_OUTPUT_ASCII, ASM_OUTPUT_SKIP): Protect definition.
826 * config/arm.arm.h (TARGET_MEM_FUNCTIONS,
827 ASM_OUTPUT_CASE_LABEL): Protect definition.
828 (CC1_SPEC, FP_DEFAULT, ARM_FUNCTION_PROFILE): Only define if
830 * config/arm/conix-elf.h: (USER_LABEL_PREFIX,
831 LOCAL_LABEL_PREFIX, MAKE_DECL_ONE_ONLY, UNIQUE_SECTION):
832 Remove duplicate definition.
833 (READONLY_DATA_SECTION, SUBTARGET_EXTRA_SECTION,
834 (SUBTARGET_EXTRA_SECTION_FUNCTION, RDATA_SECTION_ASM_OP,
835 (RDATA_SECTION_FUNCTION): Remove redundant definition.
836 (STARTFILE_SPEC, ENDFILE_SPEC): Protect definition.
837 Remove inclusion of arm/elf.h.
838 * config/arm/unknown-elf.h: as for conix-elf.h.
839 (STARTFILE_SPEC): Include crti.o and crtn.o.
840 * config/arm/linux-elf.h: as for conix-elf.h.
841 * config/arm/ecos-elf.h: Remove inclusion of unknown-elf.h.
842 * config/arm/strongarm-elf.h: Remove inclusion of
844 * config/arm/xscale-elf.h: Remove inclusion of unknown-elf.h.
845 * config/arm/unknown-elf-oabi.h: Remove inclusion of
846 unknown-elf.h and elf.h.
847 * config/arm/uclinux-elf.h: Remove inclusion of linux-elf.h.
848 * config/arm/linux-gas.h (DBX_DEBUGGING_INFO,
849 ASM_WEAKEN_LABEL): Remove redundant definition.
850 * config/arm/elf.h: Test for inclusion of elfos.h
851 (USER_LABEL_PREFIX, ASM_DECLARE_RESULT, ASM_DECLARE_RESULT,
852 ASM_DECLARE_OBJECT_NAME, ASM_FINISH_DECLARE_OBJECT_NAME,
853 SUBTARGET_EXTRA_SECTION, SUBTARGET_EXTRA_SECTION_FUNCTION,
854 EXTRA_SECTIONS, INT_ASM_OP, ASM_WEAKEN_LABEL): Remove
855 redundant definition.
856 (TYPE_OPERAND_FMT, ASM_DECLARE_FUNCTION_NAME,
857 ASM_DECLARE_FUNCTION_SIZE, ASM_OUTPUT_INTERNAL_LABEL,
858 ASM_OUTPUT_ALIGNED_COMMON): Protect definition.
859 * t-arm-elf (EXTRA_MULTILIB_PARTS): Add crti.o and crtn.o.
860 Add rules to build crti.o and crtn.o
861 * crti.asm: New file.
862 * crtn.asm: New file.
864 2001-09-13 Neil Booth <neil@daikokuya.demon.co.uk>
866 * c-parse.in (_yylex): Use _cpp_backup_tokens.
867 * cpphash.h (struct tokenrun): Add prev.
868 (struct lexer_state): Remove bol.
869 (struct cpp_reader): Remove old lookahead stuff, add lookaheads.
870 (_cpp_free_lookaheads, _cpp_release_lookahead, _cpp_push_token)
872 * cppinit.c (cpp_create_reader): Don't set bol.
873 (cpp_destroy): Don't free lookaheads.
874 * cpplex.c (lex_directive): Remove.
875 (next_tokenrun): Update.
876 (_cpp_lex_token): Clean up logic.
877 (lex_token): Update to return a pointer to lexed token, since it
878 can move to the start of the buffer. Simpify newline handling.
879 * cpplib.c (SEEN_EOL): Update.
880 (skip_rest_of_line): Remove lookahead stuff.
881 (end_directive): Line numbers are already incremented. Revert
882 to start of lexed token buffer if we can.
883 (_cpp_handle_directive, do_pragma, do_pragma_dependency,
884 parse_answer): Use _cpp_backup_tokens.
885 (run_directive, cpp_pop_buffer): Don't set bol, set saved_flags
886 instead. Don't check for EOL.
887 (do_include_common, do_line, do_pragma_system_header): Use
889 * cpplib.h (BOL, _cpp_backup_tokens): New.
890 * cppmacro.c (save_lookahead_token, take_lookahead_token,
891 alloc_lookahead, free_lookahead, _cpp_free_lookaheads,
892 cpp_start_lookahead, cpp_stop_lookahead, _cpp_push_token): Remove.
893 (builtin_macro): Don't use cpp_get_line.
894 (cpp_get_line): Short term kludge.
895 (parse_arg): Handle directives in arguments here. Back up when
896 appropriate. Store EOF at end of argument list.
897 (funlike_invocation_p): Use _cpp_backup_tokens.
898 (push_arg_context): Account for EOF at end of list.
899 (cpp_get_token): Remove lookahead stuff. Update.
901 2001-09-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
903 * c-parse.in (yyerror): Const-ification and/or static-ization.
904 * c-typeck.c (push_member_name): Likewise.
905 * collect2.c (main): Likewise.
906 * dbxout.c (dbxout_parms): Likewise.
907 * diagnostic.c (format_with_decl): Likewise.
908 * dwarf2out.c (output_ranges): Likewise.
909 * dwarfout.c (fundamental_type_code): Likewise.
910 * except.c (dw2_output_call_site_table): Likewise.
911 * gcc.c (do_spec_1): Likewise.
912 * genopinit.c (optabs): Likewise.
913 * objc/objc-act.c (synth_id_with_class_suffix, start_class,
914 gen_declaration_1, handle_impent): Likewise.
915 * protoize.c (default_include, in_system_include_dir, abspath):
917 * sched-vis.c (visualize_stall_cycles): Likewise.
918 * sdbout.c (plain_type_1, sdbout_end_function,
919 sdbout_end_epilogue): Likewise.
920 * varasm.c (decode_reg_name): Likewise.
922 * 1750a.c (mod_regno_adjust): Likewise.
923 * alpha.c (alpha_write_one_linkage,
924 unicosmk_output_default_externs): Likewise.
925 * arm.c (arm_condition_codes): Likewise.
926 * arm.h (arm_condition_codes): Likewise.
927 * avr.c (output_movsisf, encode_section_info): Likewise.
928 * darwin.h (GEN_BINDER_NAME_FOR_STUB, GEN_SYMBOL_NAME_FOR_SYMBOL):
930 * i386.c (hi_reg_name, qi_reg_name, qi_high_reg_name): Likewise.
931 * i386.h (hi_reg_name, qi_reg_name, qi_high_reg_name): Likewise.
932 * m88k.c (output_function_profiler): Likewise.
933 * mips.c (mips_output_conditional_branch): Likewise.
934 * ns32k.c (ns32k_out_reg_names): Likewise.
935 * ns32k.h (ns32k_out_reg_names): Likewise.
936 * pj.c (pj_output_rval): Likewise.
937 * rs6000.c (GEN_LOCAL_LABEL_FOR_SYMBOL): Likewise.
938 * sparc.c (sparc_flat_function_prologue,
939 sparc_flat_function_epilogue): Likewise.
941 2001-09-13 Markus Werle <numerical.simulation@web.de>
942 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
944 * doc/install.texi (Binaries): Add "Binaries for HP-UX 11.00 at
945 Aachen University of Technology".
947 2001-09-13 Andreas Schwab <schwab@suse.de>
949 * config/float-m68k.h: Define DECIMAL_DIG and FLT_EVAL_METHOD for
952 2001-09-13 Richard Henderson <rth@redhat.com>
954 * config/alpha/alpha.c (small_symbolic_operand): New.
955 (override_options): Set MASK_SMALL_DATA based on pic/PIC.
956 (some_operand, input_operand): Don't handle HIGH.
957 (alpha_legitimize_address): Use it. Emit HIGH with PLUS gp.
958 (alpha_expand_mov): Likewise.
959 (print_operand) [H]: Just print HIGH symbol.
960 (print_operand_address): Handle small data.
961 * config/alpha/alpha.h (MASK_SMALL_DATA, TARGET_SMALL_DATA): New.
962 (TARGET_SWITCHES): Add -msmall-data/large-data.
963 (PIC_OFFSET_TABLE_REGNUM): New.
964 (PREFERRED_RELOAD_CLASS): Don't handle HIGH.
965 (PREDICATE_COES): Update.
966 * config/alpha/alpha.md (adddi_er_high): New.
967 (adddi_er_low): Handle small data.
968 * config/alpha/elf.h (DO_SELECT_SECTION): If SMALL_DATA,
969 prefer .sdata to .rodata.
970 (SELECT_RTX_SECTION): Likewise.
972 2001-09-12 Josh Martin <josh.martin@abq.sc.philips.com>
974 * fixinc/inclhack.def(hpux11_size_t): Keep HP-UX headers from
975 defining __size_t and leaving size_t undefined.
977 2001-09-12 Diego Novillo <dnovillo@redhat.com>
979 * basic-block.h (expunge_block): Declare.
980 * cfg.c (expunge_block): Remove static declaration.
982 2001-09-12 Richard Henderson <rth@redhat.com>
984 * integrate.c (copy_insn_list): Copy label name from
985 NOTE_INSN_DELETED_LABEL.
987 2001-09-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
989 * c-common.c (c_tree_code_name): Const-ification.
990 * c-decl.c (c_decode_option): Likewise.
991 * c-typeck.c (warn_for_assignment): Likewise.
992 * collect2.c (libexts, is_ctor_dtor, main, ignore_library):
994 * cppinit.c (output_deps): Likewise.
995 * dependence.c (dependence_string, direction_string): Likewise.
996 * dwarf2out.c (output_ranges): Likewise.
997 * fixinc/fixfixes.c (emit_gnu_type): Likewise.
998 * fixinc/gnu-regex.c (re_error_msgid): Likewise.
999 * gcc.c (standard_exec_prefix, standard_exec_prefix_1,
1000 standard_startfile_prefix, standard_startfile_prefix_1,
1001 standard_startfile_prefix_2, tooldir_base_prefix,
1002 standard_bindir_prefix, find_a_file): Likewise.
1003 * genattrtab.c (make_length_attrs): Likewise.
1004 * gencheck.c (tree_codes): Likewise.
1005 * genemit.c (gen_split): Likewise.
1006 * genrecog.c (special_mode_pred_table): Likewise.
1007 * graph.c (graph_ext): Likewise.
1008 * protoize (default_include): Likewise.
1009 * reload.c (reload_when_needed_name): Likewise.
1010 * sched-vis.c (visualize_stall_cycles): Likewise.
1011 * tlink.c (recompile_files): Likewise.
1012 * toplev.c (decode_g_option): Likewise.
1013 * tradcpp.c (output_deps): Likewise.
1014 * varasm.c (decode_reg_name): Likewise.
1016 * arm.c (arm_condition_codes, strings_fpa, thumb_condition_code):
1019 * avr.c (avr_regnames, encode_section_info): Likewise.
1020 * c4x.c (float_reg_names): Likewise.
1021 * darwin.h (ASM_GLOBALIZE_LABEL): Likewise.
1022 * elfos.h (const_section): Likewise.
1023 * i386.c (ix86_comp_type_attributes): Likewise.
1024 * i386/win32.h (STRIP_NAME_ENCODING): Likewise.
1025 * ia64/aix.h (UNIQUE_SECTION): Likewise.
1026 * ia64.c (type_names): Likewise.
1027 * m68hc11.c (reg_class_names): Likewise.
1028 * m88k.c (m_options): Likewise.
1029 * mips.c (mips_output_conditional_branch, mips_unique_section):
1031 * rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
1032 * sparc.c (sparc_flat_function_prologue, sparc_flat_function_epilogue,
1033 ultra_code_names): Likewise.
1034 * sparc.h (OVERRIDE_OPTIONS): Likewise.
1036 2001-09-12 Jakub Jelinek <jakub@redhat.com>
1038 * configure.in (gcc_cv_as_shf_merge): Fix a typo.
1039 Use --fatal-warnings option for gas.
1040 * configure: Rebuilt.
1042 2001-09-12 Roman Lechtchinsky <rl@cs.tu-berlin.de>
1044 * doc/install.texi (Specific, alphaev5-cray-unicosmk*): Document.
1046 2001-09-11 Jim Wilson <wilson@redhat.com>
1048 * alias.c (clear_reg_alias_info): Only handle pseudo registers.
1050 2001-10-11 Matt Kraai <kraai@alumni.carnegiemellon.edu>
1052 * builtins.c (c_strlen): Treat an offset too large for a
1053 HOST_WIDE_INT as out of range.
1055 Tue Sep 11 18:57:47 CEST 2001 Jan Hubicka <jh@suse.cz>
1057 * basic-block.h (EDGE_CRITICAL): Remove; renumber other flags.
1058 (EDGE_CRITICAL_P): New predicate.
1059 * cfg.c (force_nonfallthru_and_redirect, split_edge): Kill EDGE_CRITICAL
1061 (insert_insn_on_edge): Use EDGE_CRITICAL_P.
1062 (dump_edge_info): Remove "crit".
1063 * cfganal.c (mark_critical_edges): Kill.
1064 * cfgbuild.c (find_basic_blocks): Remove mark_critical_edges call.
1065 * cfgcleanup.c (cleanup_cfg): Likewise.
1066 * profile.c (instrument_edges): Use EDGE_CRITICAL_P.
1067 (find_spanning_tree): Likewise.
1068 * reg-stack.c (convert_regs_1): Likewise.
1069 * ssa.c (mark_regs_equivalent_over_bad_edges): Likewise.
1071 * basic-block.h (create_basic_block_structure): New.
1072 (create_basic_block): Update prototype.
1073 (force_nonfallthru): New.
1074 * bb-reorder.c (fixup_reorder_chain): Fixup use force_nonfallthru.
1075 * cfg.c (create_basic_block_structure): Rename from create_basic_block;
1076 handle updating of block_for_insn, creating of empty BBs and BBs at
1077 the end of INSN chain.
1078 (create_basic_block): New function.
1079 (split_block): Use create_basic_block.
1080 (force_nonfallthru_and_redirect): Break out from ...; cleanup
1081 (redirect_edge_and_branch_force): ... here.
1082 (force_nonfallthru): New.
1083 (split_edge): Rewrite to use force_nonfallthru and create_block.
1084 * cfgbuild.c (find_basic_blocks_1): Use create_basic_block_structure.
1085 (find_basic_blocks): Free basic_block_for_insn.
1086 * cfgcleanup.c (merge_blocks): Use force_nonfallthru.
1088 * cfg.c: Fix formating.
1089 * cfgcleanup.c: Fix formating.
1090 (merge_blocks, tail_recursion_label_p): Return bool.
1091 (merge_blocks_move_predecessor_nojumps,
1092 merge_blocks_move_successor_nojumps): Return void.
1094 2001-09-11 Jakub Jelinek <jakub@redhat.com>
1096 * configure.in: Check whether assembler supports section merging.
1097 * config.in: Rebuilt.
1098 * configure: Rebuilt.
1099 * varasm.c (variable_section, output_constant_pool): Pass alignment
1100 to SELECT_SECTION and SELECT_RTX_SECTION.
1101 (mergeable_string_section): New.
1102 (mergeable_constant_section): New.
1103 (default_elf_asm_named_section): Output SECTION_MERGE and
1104 SECTION_STRINGS flags plus SECTION_ENTSIZE entity size.
1105 * output.h (mergeable_string_section): New.
1106 (mergeable_constant_section): New.
1107 (SECTION_MERGE, SECTION_STRINGS, SECTION_ENTSIZE): Define.
1108 * toplev.c (flag_merge_constants): New.
1109 (f_options): Add -fmerge-constants and -fmerge-all-constants
1111 (toplev_main): Default to -fno-merge-constants if not optimizing.
1112 * flags.h (flag_merge_constants): Add extern.
1113 * invoke.texi (-fmerge-constants, -fmerge-all-constants): Document.
1114 * tm.texi (SELECT_SECTION, SELECT_RTX_SECTION): Document added third
1116 * config/elfos.h (ASM_SECTION_START_OP, ASM_OUTPUT_SECTION_START):
1117 Define if assembler has working .subsection -1 support.
1118 (SELECT_RTX_SECTION, SELECT_SECTION): Add third macro argument.
1119 Put constant into special SHF_MERGE sections if the linker should
1120 attempt to merge duplicates.
1121 * config/ia64/sysv4.h (SELECT_RTX_SECTION, SELECT_SECTION): Add third
1123 Put constant into special SHF_MERGE sections if the linker should
1124 attempt to merge duplicates.
1125 * config/alpha/elf.h: Likewise.
1126 (ASM_SECTION_START_OP, ASM_OUTPUT_SECTION_START): Define if assembler
1127 has working .subsection -1 support.
1128 * config/nextstep.h: Add third argument to SELECT_RTX_SECTION and
1130 * config/svr3.h: Likewise.
1131 * config/darwin.h: Likewise.
1132 * config/arm/aof.h: Likewise.
1133 * config/arm/linux-elf.h: Likewise.
1134 * config/avr/avr.h: Likewise.
1135 * config/c4x/c4x.h: Likewise.
1136 * config/d30v/d30v.h: Likewise.
1137 * config/i386/dgux.h: Likewise.
1138 * config/i386/osfrose.h: Likewise.
1139 * config/i386/sco5.h: Likewise.
1140 * config/i386/svr3gas.h: Likewise.
1141 * config/ia64/aix.h: Likewise.
1142 * config/m32r/m32r.h: Likewise.
1143 * config/m68k/m68k.h: Likewise.
1144 * config/m88k/dgux.h: Likewise.
1145 * config/m88k/m88k.h: Likewise.
1146 * config/mcore/mcore-pe.h: Likewise.
1147 * config/mips/mips.h: Likewise.
1148 * config/pa/pa.h: Likewise.
1149 * config/pa/pa-linux.h: Likewise.
1150 * config/romp/romp.h: Likewise.
1151 * config/rs6000/sysv4.h: Likewise.
1152 * config/rs6000/xcoff.h: Likewise.
1153 * config/s390/linux.h: Likewise.
1154 * config/sparc/sparc.h: Likewise.
1155 * config/sparc/sysv4.h: Likewise.
1156 * config/stormy16/stormy16.h: Likewise.
1157 * config/v850/v850.h: Likewise.
1158 * config/vax/vms.h: Likewise.
1159 * config/arm/arm.c (arm_elf_asm_named_section): Output SECTION_MERGE
1160 and SECTION_STRINGS flags plus SECTION_ENTSIZE entity size.
1161 * config/sparc/sparc.c (sparc_elf_asm_named_section): Use
1162 default_elf_asm_named_section for SHF_MERGE sections.
1164 Tue Sep 11 17:55:54 CEST 2001 Jan Hubicka <jh@suse.cz>
1166 * bb-reorder.c (fixup_reorder_chain): Fallthru edge to exit block
1169 2001-09-11 Joseph S. Myers <jsm28@cam.ac.uk>
1171 * c-common.c (split_specs_attrs): Allow for empty attributes with
1172 empty TREE_PURPOSE. Fixes PR c/4294.
1174 Tue Sep 11 11:37:52 CEST 2001 Jan Hubicka <jh@suse.cz>
1176 * basic-block.h (cached_make_edge, make_single_succ): New.
1177 (make_edge): Remove first parameter.
1178 * bb-reroder.c (fixup_reorder_chain): Use make_single_succ_edge.
1179 * cfg.c (cached_make_edge): Rename from make_edge; return newly
1180 created edge; use obstack allocation.
1181 (make_edge, make_single_succ_edge): New.
1182 (first_removed_edge): New static variable.
1183 (init_flow): Initialize first_removed_edge and n_edges.
1184 (clear_edges): Use remove_edge.
1185 (flow_delete_block): Likewise.
1186 (remove_edge): Add removed edges to the removed edges list.
1187 (split_block, redirect_edge_and_branch_force, split_edge):
1189 * cfganal.c (flow_call_edges_add): Updaet make_edge call.
1190 (add_noreturn_fake_exit_edges): Likewise.
1191 (connect_infinite_loops_to_exit): Liekwise.
1192 * cfgbuild.c (make_label_edge, make_edges, find_sub_basic_blocks):
1193 Use cached_make_edge.
1194 * cfgcleanup.c (try_crossjump_to_edge): Use make_single_succ_edge.
1195 * profile.c (branch_prob): Update make_edge call.
1196 * ssa-dce.c (ssa_eliminate_dead_code): Likewise.
1198 2001-09-11 Richard Henderson <rth@redhat.com>
1200 * config/alpha/alpha.c: Tidy formatting.
1201 (local_symbolic_operand): Verify mode.
1202 (alpha_sa_mask): Ignore unicos for eh_return.
1203 (alpha_expand_epilogue): Handle sp_adj2 zero, not NULL.
1204 * config/alpha/alpha.md (umk divsi patterns): Remove.
1205 (extendsfdf2): Remove unicos check.
1206 (tablejump): Merge vms and unicos code; always use direct set
1209 2001-09-11 Roman Lechtchinsky <rl@cs.tu-berlin.de>
1211 * config.gcc (alpha*-*-unicosmk*): New target.
1213 * config/alpha/alpha-protos.h (symbolic_operand,
1214 unicosmk_add_call_info_word, unicosmk_add_extern,
1215 unicosmk_defer_case_vector, unicosmk_unique_section,
1216 unicosmk_output_align, unicosmk_text_section, unicosmk_data_section,
1217 unicosmk_asm_file_start, unicosmk_asm_file_end,
1218 unicosmk_output_common): Declare.
1220 * config/alpha/alpha.c (NUM_ARGS, override_options, call_operand,
1221 direct_return, function_arg, alpha_va_start, alpha_va_arg,
1222 alpha_does_function_need_gp, alpha_end_function): Support Cray
1224 (alpha_init_machine_status, alpha_mark_machine_status,
1225 alpha_free_machine_status, unicosmk_output_deferred_case_vectors,
1226 unicosmk_gen_dsib, unicosmk_output_ssib, unicosmk_need_dex,
1227 unicosmk_asm_named_section, unicosmk_insert_attributes,
1228 unicosmk_section_type_flags, symbolic_operand,
1229 unicosmk_output_module_name, unicosmk_output_default_externs,
1230 unicosmk_output_dex, unicosmk_output_externs,
1231 unicosmk_output_addr_vec, unicosmk_ssib_name,
1232 unicosmk_initial_elimination_offset, unicosmk_asm_file_start,
1233 unicosmk_asm_file_end, unicosmk_output_common,
1234 unicosmk_section_type_flags, unicosmk_unique_section,
1235 unicosmk_add_call_info_word, unicosmk_text_section,
1236 unicosmk_data_section, unicosmk_extern_list, unicosmk_extern_head,
1237 unicosmk_add_extern, unicosmk_dex, unicosmk_dex_list,
1238 unicosmk_dex_count, unicosmk_special_name): New.
1239 (TARGET_INSERT_ATTRIBUTES, TARGET_SECTION_TYPE_FLAGS): Define for
1240 TARGET_ABI_UNICOSMK.
1241 (get_aligned_mem, alpha_expand_unaligned_load,
1242 alpha_expand_unaligned_store, alpha_expand_unaligned_load_words,
1243 alpha_expand_unaligned_store_words): Support big-endian mode.
1244 (print_operand): Likewise. New format specifier 't'. Use
1245 TARGET_AS_SLASH_BEFORE_SUFFIX.
1246 (alpha_is_stack_procedure): Rename from vms_is_stack_procedure.
1247 (alpha_pv_save_size): Update with above change.
1248 (alpha_sa_mask, alpha_sa_size, alpha_expand_prologue,
1249 alpha_start_function, alpha_expand_epilogue): Likewise. Support Cray
1252 * config/alpha/alpha.h (TARGET_ABI_UNICOSMK): New.
1253 (TARGET_ABI_OSF): Exclude TARGET_ABI_UNICOSMK.
1254 (TARGET_AS_SLASH_BEFORE_SUFFIX): New.
1255 (EXTRA_CONSTRAINT): New constraint 'U'.
1256 (PREDICATE_CODES): Add symbolic_operand.
1258 * config/alpha/alpha.md (UNSPEC_UMK_LAUM, UNSPEC_UMK_LALM,
1259 UNSPEC_UMK_LAL, UNSPEC_UMK_LOAD_CIW): New constants.
1260 (mulsi3, *mulsi_se, mulvsi3): Disable for TARGET_ABI_UNICOSMK.
1261 (integer division and modulus patterns): Split in default and
1263 (*divmodsi_internal, *divmoddi_internal): Disable for
1264 TARGET_ABI_UNICOSMK.
1265 (unaligned_extend?idi, unaligned_load?i, unaligned_store?i): Split in
1266 little-endian and big-endian versions.
1267 (ext, ins, msk): Likewise.
1268 (extv, extzv, insv): Support big-endian mode.
1269 (call, call_value, tablejump): Support TARGET_ABI_UNICOSMK.
1270 (call_umk, call_value_umk, *call_umk, tablejump_umk,
1271 *tablejump_umk_internal, *call_value_umk): New.
1272 (*movdi_nofix): Add pattern for loading an address into a register on
1273 TARGET_ABI_UNICOSMK.
1274 (umk_laum, umk_lal, umk_lalm, *umk_load_ciw): New.
1275 (umk_mismatch_args, arg_home_umk): New.
1276 (various insns): Don't use mov, fmov, nop, fnop and unop.
1277 (realign): Support TARGET_ABI_UNICOSMK.
1279 * config/alpha/unicosmk.h: New file.
1280 * config/alpha/t-unicosmk: New file.
1282 * fixinc/inclhack.def (unicosmk_restrict): New.
1283 * fixinc/fixincl.x: Regenerate.
1285 * ginclude/stddef.h (size_t): Check for and define __SIZE_T__.
1286 (wchar_t): Check for and define __WCHAR_T__.
1288 2001-09-11 Richard Sandiford <rsandifo@redhat.com>
1290 * combine.c (simplify_shift_const): Treat shifts by the mode
1293 2001-09-11 Neil Booth <neil@daikokuya.demon.co.uk>
1295 * cpphash.h (struct tokenrun): New.
1296 (struct cpp_context): New member bol.
1297 (struct cpp_reader): New members.
1298 (_cpp_init_tokenrun): New.
1299 * cppinit.c (cpp_create_reader): Set up the token runs.
1300 * cpplex.c (lex_directive, lex_token, next_tokenrun): New.
1301 (lex_token): New internalised version of _cpp_lex_token. Don't
1302 handle directives or the multiple include opimisation here any
1303 more. Simply lex a token.
1304 * cpplib.c (run_directive): Clear bol.
1305 (_cpp_pop_buffer): Set bol.
1306 * cppmacro.c (funlike_invocation_p): Keep tokens whilst parsing
1309 2001-09-11 Michael Meissner <meissner@redhat.com>
1311 * config/mips/mips.h (CC1_SPEC): If -mgp32 default to -mfp32, and
1312 give an error if the user uses -mfp32.
1313 (CPP_FPR_SPEC): Define __mips_fpr to be 32 or 64 depending on the
1315 (CPP_SPEC): Define __mips_fpr to be 32 or 64, depending on the
1316 floating point register size.
1317 (EXTRA_SPECS): Add CPP_FPR_SPEC.
1319 * config/mips/netbsd.h (ASM_FINISH_DECLARE_OBJECT): Use
1320 HOST_WIDE_INT_PRINT_DEC to properly print the result of
1322 * config/mips/elf.h (ASM_FINISH_DECLARE_OBJECT): Ditto.
1323 * config/mips/elf64.h (ASM_FINISH_DECLARE_OBJECT): Ditto.
1325 2001-09-11 Hans-Peter Nilsson <hp@axis.com>
1327 * dbxout.c (dbxout_parms): Fix typo in comment.
1328 * unroll.c (loop_find_equiv_value): Ditto.
1329 * toplev.c (rest_of_compilation): Ditto.
1330 * loop.c (scan_loop): Ditto.
1331 * dwarf2out.c (struct dw_fde_struct): Ditto.
1333 2001-09-10 Zack Weinberg <zackw@panix.com>
1335 * cpplex.c (parse_identifier): Fast-path optimize. Avoid
1336 copying identifier when we're just going to throw it away.
1337 (parse_identifier_slow): New routine to handle abnormal cases.
1338 (_cpp_lex_token): Update call site.
1340 * hashtable.c (ht_lookup): Don't assume that the string we've
1341 been given is NUL-terminated.
1342 * system.h: #define __builtin_expect(a, b) to (a) if not
1345 2001-09-10 Michael Meissner <meissner@redhat.com>
1347 * config.gcc (sparc64-*-solaris2): Add alias to be compatible with
1350 2001-09-10 David Edelsohn <edelsohn@gnu.org>
1352 * config/rs6000/t-aix43 (SHLIB_INSTALL): Use mode 751 (a+x,r-o).
1354 Mon Sep 10 16:26:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1356 * builtins.c (c_getstr): Correct thinko in last change and further
1359 2001-09-10 Tim Freeman <tim@fungibole.com>
1361 * dwarf2out.c (incomplete_types, decl_scope_table): Make them
1362 into varray's and register them as roots with the garbage
1363 collector so they are not collected too soon.
1365 Mon Sep 10 14:21:26 CEST 2001 Jan Hubicka <jh@suse.cz>
1367 * Makefile.in (cfg.o, cfganal.o, cfgloop.o, cfgbuild.o, cfgcleanup.o):
1369 * basic-block.h (flow_obstack, label_value_list,
1370 tail_recursion_label_list): Declare
1371 (tidy_fallthru_edges): Declare.
1372 (expunge_block, last_loop_beg_note): Delete.
1373 (can_fallthru, flow_nodes_print, flow_edge_list_print): Declare.
1375 (basic_block_for_insn, label_value_list): Move from flow.c; make global.
1376 (n_basic_blocks, n_edges, basic_block_info, entry_exit_blocks,
1377 init_flow, clear_edges, can_delete_note_p, can_delete_label_p,
1378 flow_delete_insn, flow_delete_insn_chain, create_basic_block,
1379 expunge_block, flow_delete_block, compute_bb_for_insn,
1380 update_bb_for_insn, set_block_for_insn, set_block_for_new_insns,
1381 make_edge, remove_edge, redirect_edge_succ, redirect_edge_succ_nodup,
1382 redirect_edge_pred, split_block, marge_blocks_nomove, block_label,
1383 try_redirect_by_replacing_jump, last_loop_beg_note,
1384 redirect_edge_and_branch, redirect_edge_and_branch_force,
1385 tidy_fallthru_edge, tidy_fallthru_edges, back_edge_of_syntactic_loop_p,
1386 split_edge, insert_insn_on_edge, commit_one_edge_insertion,
1387 commit_edge_insertions, dump_flow_info, debug_flow_info,
1388 dump_edge_info, dump_bb, debug_bb, debug_bb_n, print_rtl_with_bb,
1389 verify_flow_info, purge_dead_edges, purge_all_dead_edges):
1390 Move here from flow.c
1391 * cfganal.c: New file.
1392 (forwarder_block_p, can_fallthru, mark_critical_edges,
1393 mark_dfs_back_edges, need_fake_edge_p, flow_call_edges_add,
1394 find_unreachable_blocks, create_edge_list, free_edge_list,
1395 print_edge_list, verify_edge_list, find_edge_index, flow_nodes_print,
1396 flow_edge_list_print, remove_fake_successors, remove_fake_edges,
1397 add_noreturn_fake_exit_edges, connect_infinite_loops_to_exit,
1398 flow_reverse_top_sort_order_compute, flow_depth_first_order_compute,
1399 flow_dfs_compute_reverse_init, flow_dfs-compute_reverse_add_bb,
1400 flow_dfs-compute_reverse_execute, flow_dfs_compute_reverse_finish);
1401 Move here from flow.c
1402 * cfgbuild.c: New file
1403 (count_basic_blocks, find_label_refs, make_label_edge, make_eh_edge,
1404 make_edges, find_basic_blocks_1, find_basic_blocks,
1405 find_sub_basic_blocks): Move here from flow.c
1406 * cfgcleanup.c: New file.
1407 (try_simplify_condjump, try_forward_edges, tail_recursion_label_p,
1408 merge_blocks_move_predecessor_nojumps,
1409 merge_blocks_move_successor_nojumps, merge_blocks,
1410 flow_find_cross_jump, outgoing_edges_match, try_crossjump_to_edge,
1411 try_crossjump_bb, try_optimize_cfg): Move here from flow.c
1412 (delete_unreachable_blocks, cleanup_cfg): Likewise; return true
1414 * cfgloop.c: New file
1415 (flow_loops_cfg_dump, flow_loop_nested_p, flow_loop_dump,
1416 flow_loops_dump, flow_loops_free, flow_loop_entry_edges_find,
1417 flow_loop_exit_edges_find, flow_loop_nodes_find,
1418 flow_loop_pre_header_scan, flow_loop_pre_header_find,
1419 flow_loop_tree_node_add, flow_loops_tree_build,
1420 flow_loop_level_compute, flow_loops_level_compute, flow_loop_scan,
1421 flow_loops_find, flow_loops_update, flow_loop_outside_edge_p):
1422 Move here from flow.c
1423 * flow.c: Remove everything moved elsewhere
1424 * output.h (cleanup_cfg): Return bool.
1426 * bb-reorder.c (reorder_block_def): Remove 'index'.
1427 (insert_intra_1): Add argument BB, set block for new note.
1428 (make_reorder_chain): Do not depdent on BB indexes.
1429 (make_reorder_chain_1): Do not use BB indexes.
1430 (label_for_bb): Likewise; set BB for new insn.
1431 (emit_jump_to_block_after): Likewise.
1432 (fixup_reoder_chain): Sanity check that all basic blocks
1433 are chained; verify newly created insn chain; remove
1434 undocnitional jump simplifying; Do not use BB indexes;
1435 properly initialize count and frequency information;
1436 dump reordered sequence.
1437 (insert_intra_bb_scope_notes): update call of insert_intra_1.
1438 (insert_inter_bb_scope_notes): Set block for new insn.
1439 (reorder_basic_blocks): Dump flow info before reoredering.
1441 Mon Sep 10 06:47:35 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1443 * alias.c (clear_reg_alias_info): Use K&R format definition.
1444 Avoid unsigned warning.
1445 * builtins.c: Use "unsigned int", not "unsigned".
1446 (target_char_cast): Use host_integerp and tree_low_cst.
1447 (expand_builtin_args_info, expand_builtin_frame_address): Likewise.
1448 (c_strlen): Likewise; OFFSET now HOST_WIDE_INT.
1449 (c_getstr): Likewise.
1450 (std_expand_builtin_va_arg): Use int_size_in_bytes.
1451 (builtin_memcpy_read_str): Avoid unsigned warning.
1452 (expand_builtin_memcpy): Alignments are unsigned.
1453 (expand_builtin_strncpy, expand_builtin_memset): Likewise.
1454 (expand_builtin_expect_jump): Use integer_zerop and integer_onep.
1455 * predict.c (expensive_function_p): LIMIT now unsigned.
1456 * resource.c (mark_target_live_regs): Make some vars unsigned.
1457 * sdbout.c: Use "unsigned int", not "unsigned".
1458 (MAKE_LINE_SAFE): Add cast to avoid unsigned warning.
1459 (sdbout_source_line): Likewise.
1460 (sdbout_record_type_name): Remove "const" for NAME declaration.
1461 * config/alpha/alpha.c (alpha_expand_block_move): Whitespace fixes.
1463 2001-09-10 Richard Sandiford <rsandifo@redhat.com>
1465 * calls.c (store_one_arg): Expand comment.
1467 2001-09-10 Roman Lechtchinsky <rl@cs.tu-berlin.de>
1469 * calls.c (store_one_arg): Make sure that the entire argument is
1470 pushed if STACK_PARMS_IN_REG_PARM_AREA is defined.
1472 2001-09-09 Richard Henderson <rth@redhat.com>
1474 * emit-rtl.c (adjust_address): Fix mode for LO_SUM.
1476 Sun Sep 9 10:43:17 CEST 2001 Jan Hubicka <jh@suse.cz>
1478 * loop.c (combine_givs): Fix computing of benefit once giv is combined.
1480 2001-09-09 Richard Henderson <rth@redhat.com>
1482 * config/alpha/alpha.c (alpha_next_sequence_number): New.
1483 (alpha_this_literal_sequence_number): New.
1484 (alpha_this_gpdisp_sequence_number): New.
1485 (some_operand, input_operand): Add HIGH.
1486 (local_symbolic_operand): New.
1487 (alpha_encode_section_info): New.
1488 (alpha_legitimate_address_p): Allow LO_SUM.
1489 (alpha_legitimize_address): Generate HIGH+LO_SUM.
1490 (alpha_expand_mov): Likewise.
1491 (secondary_reload_class): Check memory_operand not general_operand
1493 (alpha_expand_unaligned_load): Force LO_SUM addresses into a register.
1494 (alpha_expand_unaligned_store): Likewise.
1495 (alpha_expand_unaligned_load_words): Likewise.
1496 (alpha_expand_unaligned_store_words): Likewise.
1497 (alpha_expand_block_clear): Likewise.
1498 (print_operand): Handle %#, %*, %H.
1499 (print_operand_address): Handle LO_SUM.
1501 (alpha_does_function_need_gp): Use it.
1502 (alpha_expand_block_move): Fix signed compare warnings.
1503 (alpha_sa_mask, alpha_align_insns): Likewise.
1504 * config/alpha/alpha-protos.h: Update.
1505 * config/alpha/alpha.h (TARGET_EXPLICIT_RELOCS): New.
1506 (MASK_EXPLICIT_RELOCS): New.
1507 (TARGET_SWITCHES): Add -mexplicit-relocs.
1508 (EXTRA_CONSTRAINT): Add 'T'.
1509 (PREFERRED_RELOAD_CLASS): HIGH goes in GENERAL_REGS.
1510 (ASM_APP_ON, ASM_APP_OFF): Turn on and off asm macro expansion.
1511 (ENCODE_SECTION_INFO): Out line.
1512 (REDO_SECTION_INFO_P): New.
1513 (STRIP_NAME_ENCODING): New.
1514 (ASM_OUTPUT_LABELREF): New.
1515 (PRINT_OPERAND_PUNCT_VALID_P): Add #, *.
1516 (PREDICATE_CODES): Update.
1517 * config/alpha/alpha.md (divmodsi_internal_er, divmoddi_internal_er,
1518 call_osf_1_er_noreturn, call_osf_1_er, movdi_er_low, movdi_er_nofix,
1519 movdi_er_fix, prologue_ldgp_1_er, builtin_setjmp_receiver_sub_label_er,
1520 builtin_setjmp_receiver_er, exception_receiver_1_er,
1521 call_value_osf_1_er): New patterns.
1522 (sibcall_osf_1, sibcall_value_osf_1): Remove register alternative.
1523 (movqi, movhi, movsi): Add explicit $31 base register to lda.
1524 * config/alpha/elf.h (ASM_FILE_START): Set nomacro if explicit relocs.
1525 (FINAL_PRESCAN_INSN): New.
1527 Sat Sep 8 22:00:55 CEST 2001 Jan Hubicka <jh@suse.cz>
1529 * reg-stack.c (subst_stack_regs_pat): Fix fcmov reversal code.
1531 2001-09-08 Andreas Jaeger <aj@suse.de>
1533 * i386.h (TARGET_SWITCHES): Fix description.
1535 2001-09-07 David Edelsohn <edelsohn@gnu.org>
1537 * rs6000.c (num_insns_constant): Compute number of instructions
1540 * doc/install.texi: Explain AIX exception handling work-around.
1541 Update URL for AIX fixes.
1543 2001-09-07 Jim Wilson <wilson@redhat.com>
1545 * alias.c (clear_reg_alias_info): New.
1546 * flow.c (attempt_auto_inc): Call clear_reg_alias_info.
1547 * rtl.h (clear_reg_alias_info): Declare.
1549 2001-09-07 Roman Lechtchinsky <rl@cs.tu-berlin.de>
1551 * real.c (EMUSHORT,EMUSHORT_SIZE): Use HImode if no 16-bit type is
1553 (UEMUSHORT): New. Use instead of unsigned EMUSHORT.
1554 (m16m,edivm,emulm): Change declaration to match definition.
1556 2001-09-07 Roman Lechtchinsky <rl@cs.tu-berlin.de>
1558 * reload.c (push_reload): Check for subreg_lowpart_p instead of
1559 SUBREG_BYTE being 0 when determining if the inner part of a subreg
1562 2001-09-07 Roman Lechtchinsky <rl@cs.tu-berlin.de>
1564 * c-common.c (signed_or_unsigned_type): Handle machine mode types
1565 which have no corresponding C type.
1566 * fold_const.c (target_isinf,target_isnan,target_negative): Update
1567 the representation of 64-bit doubles to work with 64-bit ints.
1569 2001-09-07 Aldy Hernandez <aldyh@redhat.com>
1571 * config/mips/mips.c (override_options): Do not override ISA when ABI
1572 specified if MIPS_CPU_STRING_DEFAULT was specified.
1574 2001-09-07 Richard Henderson <rth@redhat.com>
1576 * loop.c (record_giv): Avoid simplifying MULT to ASHIFT.
1577 (express_from_1): Wrap lines.
1578 * rtlanal.c (commutative_operand_precedence): Rename from
1579 operand_preference; export.
1580 * rtl.h: Declare it.
1581 * simplify-rtx.c (simplify_gen_binary): Tidy +/- const_int handling.
1582 (simplify_binary_operation): Invoke simplify_plus_minus on
1583 (CONST (PLUS ...)) as well.
1584 (struct simplify_plus_minus_op_data): New.
1585 (simplify_plus_minus_op_data_cmp): New.
1586 (simplify_plus_minus): Use them. Avoid infinite recursion with
1587 simplify_binary_operation wrt CONST.
1589 Fri Sep 7 11:52:30 2001 Kazu Hirata <kazu@hxi.com>
1591 * h8300-protos.h (general_operand_dst_push): Remove.
1592 * h8300.c (general_operand_dst_push): Likewise.
1593 * h8300.h (OK_FOR_T): Likewise.
1594 (EXTRA_CONSTRAINTS): Do not use OK_FOR_T.
1595 * h8300.md (pushqi_h8300): New.
1596 (pushqi_h8300hs): Likewise.
1598 (pushhi_h8300): Likewise.
1599 (pushhi_h8300hs): Likewise.
1602 Fri Sep 7 12:56:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1604 * genattrtab.c (attr_printf): First arg is unsigned.
1605 Clean up formatting of callers.
1607 2001-09-06 Aldy Hernandez <aldyh@redhat.com>
1609 * config/mips/mips.c (override_options): Allow abi32 with 64 bit
1612 2001-09-07 Andreas Jaeger <aj@suse.de>
1614 * i386.h (TARGET_SWITCHES): Fix descriptions.
1616 2001-09-07 Matt Kraai <kraai@alumni.carnegiemellon.edu>
1618 * stor-layout.c (compute_record_mode): Check DECL_SIZE is set.
1620 2001-09-06 Ira Ruben <ira@apple.com>
1622 Remove OP_IDENTIFIER.
1623 * tree.def (OP_IDENTIFIER): Remove.
1624 * tree.c (tree_node_kind enum): Remove op_id_kind.
1625 (tree_node_kind_names): Remove "op_identifiers".
1626 (make_node): Remove OP_IDENTIFIER test.
1627 (build_op_identifier): Removed because it isn't being used.
1628 * print-tree.c (print_node): Remove OP_IDENTIFIER case.
1629 * cp/pt.c (tsubst): Remove OP_IDENTIFIER case.
1631 2001-09-06 Richard Henderson <rth@redhat.com>
1633 * simplify-rtx.c (simplify_binary_operation): Revert last change.
1635 2001-09-06 Richard Henderson <rth@redhat.com>
1637 * simplify-rtx.c (simplify_binary_operation): Simplify contents
1640 2001-09-06 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1642 * config/rs6000/rs6000.c (rs6000_emit_prologue): Fix DWARF2 register
1643 number used for CR register.
1645 Thu Sep 6 11:16:35 2001 Jeffrey A Law (law@cygnus.com)
1646 Joern Rennecke (amylaar@cygnus.com)
1648 * h8300-protos.h (h8300_return_addr_rtx): New prototype.
1649 * h8300.c (initial_offset): Handle offset between RP and FP.
1650 (h8300_return_addr_rtx): New function.
1651 * h8300.h (FIRST_PSEUDO_REGISTER): Bump now that we have a
1653 (FIXED_REGISTERS, CALL_USED_REGISTERS): Corresponding changes.
1654 (REG_ALLOC_ORDER, RETURN_ADDRESS_POINTER_REGNUM): Likewise.
1655 (REG_CLASS_CONTENTS, ELIMINABLE_REGS): Likewise.
1656 (CAN_ELIMINATE, REGISTER_NAMES):
1657 (RETURN_ADDR_RTX): Call h8300_return_addr_rtx.
1659 2001-09-06 Nathan Sidwell <nathan@codesourcery.com>
1661 Remove TYPE_NONCOPIED_PARTS.
1662 * tree.h (TYPE_NONCOPIED_PARTS): Remove.
1663 (struct tree_type): Remove noncopied_parts.
1664 * c-tree.h (TYPE_ACTUAL_ARG_TYPES): Map onto TYPE_BINFO.
1665 * expr.c (save_noncopied_parts, init_noncopied_parts): Remove.
1666 (fixed_type_p): Remove.
1667 (expand_expr, INIT_EXPR): Don't deal with noncopied parts.
1668 (expand_expr, MODIFY_EXPR): Likewise.
1669 * ggc-common.c (ggc_mark_trees): Remove TYPE_NONCOPIED_PARTS.
1670 * doc/c-tree.texi: Remove TYPE_NONCOPIED_PARTS FIXME.
1672 2001-09-06 Alan Modra <amodra@bigpond.net.au>
1674 * config/rs6000/rs6000.c (mask_operand): Use signed vars to avoid
1676 (mask64_operand): Likewise.
1677 (includes_rldic_lshift_p): Likewise.
1678 (includes_rldicr_lshift_p): Likewise.
1680 2001-09-05 Ziemowit Laski <zlaski@apple.com>
1682 * objc/objc-act.c (build_message_expr): If a class method cannot
1683 be found, do not issue a warning if a corresponding instance
1684 method exists in the root class.
1686 2001-09-05 Richard Henderson <rth@redhat.com>
1688 * config/alpha/alpha.c (alpha_expand_mov): Initialize temp.
1690 2001-09-05 Zack Weinberg <zack@codesourcery.com>
1692 * function.c (ggc_mark_struct_function): Mark f->outer.
1693 * toplev.c (rest_of_compilation): Clear DECL_SAVED_INSNS here...
1694 * integrate.c (output_inline_function): ... not here.
1696 Wed Sep 5 17:28:49 CEST 2001 Jan Hubicka <jh@suse.cz>
1698 * profile.c (branch_prob): Call add_noreturn_fake_exit_edges.
1700 * i386.c (size_cost): New static variable.
1701 (override_function): Use size_cost when -Os is specified.
1703 * i386.c (ix86_expand_prologue): Set use_fast_prologue_epilogue
1704 properly; Use current_function_calls_eh_return.
1705 (ix86_expand_epilogue): Avoid dummy optimize_size tests;
1706 use leave to avoid depdendancy chain.
1708 * local-alloc.c (update_equiv_regs): Use CFG to iterate over INSN stream;
1709 get BB loop_depth instead of computing it from LOOP notes.
1711 * reg-stack.c (subst_stack_reg_pat): Handle reversal of conditional moves.
1713 2001-09-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
1715 * som.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
1716 * pa.h (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
1717 UNALIGNED_DOUBLE_INT_ASM_OP): Define
1719 2001-09-05 Jeffrey A Law (law@cygnus.com)
1720 Jason Merrill (jason@redhat.com)
1722 * stor-layout.c (layout_type): Complain if an array's size can
1723 not be represented in a size_t.
1725 * config/h8300/elf.h (ENDFILE_SPEC, STARTFILE_SPEC): Define.
1727 2001-09-05 David Billinghurst <David.Billinghurst@riotinto.com>
1729 * gcc.c: (process_command) Add parentheses around assignment
1730 used as truth value.
1732 2001-09-05 Richard Sandiford <rsandifo@redhat.com>
1734 * config/mips/mips.c (save_restore_insns): Don't mark any register
1735 save slots as unchanging if current_function_calls_eh_return.
1737 2001-09-05 Richard Henderson <rth@redhat.com>
1739 * config/alpha/alpha.c (alpha_legitimate_address_p): New.
1740 * config/alpha/alpha-protos.h: Declare it.
1741 * config/alpha/alpha.h (GO_IF_LEGITIMATE_ADDRESS): Move to c file.
1742 (NONSTRICT_REG_OK_FOR_BASE_P): Rename from non-strict macro.
1743 (NONSTRICT_REG_OK_FP_BASE_P): Likewise.
1744 (STRICT_REG_OK_FOR_BASE_P): Rename from strict macro.
1745 (REG_OK_FOR_BASE_P): Select one of the above.
1747 2001-09-05 Richard Sandiford <rsandifo@redhat.com>
1749 * config/mips/t-elf (EXTRA_PARTS): Use EXTRA_MULTILIB_PARTS instead.
1750 (crti.o): Prefix name of object file with $(T).
1753 2001-09-05 David S. Miller <davem@redhat.com>
1755 * config/sparc/linux.h: Set CPLUSPLUS_CPP_SPEC.
1756 * config/sparc/linux64.h: Likewise.
1758 2001-09-05 Andreas Jaeger <aj@suse.de>
1760 * doc/invoke.texi (i386 Options): -mwide-multiply is not
1761 available anymore, remove the documentation.
1762 (i386 Options): Fix typo, cleanup index entries.
1764 * prefix.c (concat): Remove, we can use the version from liberty.
1766 2001-09-05 Richard Henderson <rth@redhat.com>
1768 * config/alpha/alpha.c (alpha_expand_mov, alpha_expand_mov_nobwx):
1769 New functions split out of md file expanders.
1770 * config/alpha/alpha-protos.h: Declare them.
1771 * config/alpha/alpha.md (movqi, movhi, movsi, movdi): Use them.
1773 2001-09-05 Neil Booth <neil@daikokuya.demon.co.uk>
1775 * cppmacro.c (funlike_invocation_p): No need to restore context.
1777 2001-09-04 Richard Henderson <rth@redhat.com>
1779 * reload.c (push_reload): Export.
1780 * reload.h (push_reload): Declare it.
1782 * config/alpha/alpha.h (LEGITIMIZE_ADDRESS): Move out o' line.
1783 (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
1784 * config/alpha/alpha.c (alpha_legitimize_address): New.
1785 (alpha_legitimize_reload_address): Likewise.
1786 * config/alpha/alpha-protos.h: Declare them.
1788 2001-09-04 Stan Shebs <shebs@apple.com>
1790 * config/darwin.h (ASM_DECLARE_FUNCTION_NAME): Define.
1791 * config/darwin.c (machopic_stub_name): Account for internally
1792 generated lib calls such as memcpy.
1794 2001-09-04 Richard Henderson <rth@redhat.com>
1796 * unwind.h (_UA_END_OF_STACK): New flag.
1797 * unwind.inc (_Unwind_ForcedUnwind_Phase2): Set it.
1799 Tue Sep 4 11:16:35 2001 Jeffrey A Law (law@cygnus.com)
1801 * h8300/elf.h (LINK_SPEC): Redefine appropriately for the H8.
1803 2001-09-04 Richard Sandiford <rsandifo@redhat.com>
1805 * config/mips/mips.c (save_restore_insns): Change base_offset to
1806 fp_offset in second call to mips_emit_frame_related_store.
1808 2001-09-04 Hans-Peter Nilsson <hp@axis.com>
1810 * doc/rtl.texi: Mention that besides as a CODE_LABEL, a label can
1811 sometimes be represented as a NOTE of type
1812 NOTE_INSN_DELETED_LABEL.
1813 (Insns): Document NOTE_INSN_DELETED_LABEL.
1815 2001-09-04 Nathan Sidwell <nathan@codesourcery.com>
1817 * c-common.h (tree_dump_index): Add more comments.
1818 * c-dump.c (dump_files): Name flags `tree' rather than `ast'.
1819 (dump_option_value_info): New struct.
1820 (dump_options): New array.
1821 (dump_switch_p): Parse switch options symbolically.
1822 * doc/invoke.texi (-fdump-ast): Rename to ...
1823 (-fdump-tree): ... here. Document that options are symbolic, and
1824 not all are applicable.
1826 2001-09-04 David S. Miller <davem@redhat.com>
1828 * config/sparc/sparc.md (define_splits): Kill constraints.
1830 Cleanup redundant and unused insn attributes.
1831 * config/sparc/sparc.md (define_attr "insn"): Kill address, unary,
1832 binary, and move. Mark ialu as default.
1833 (commented out define_function_unit "alu"): Kill.
1834 (define_attr "use_clobbered"): Kill.
1835 (whole file): Kill address insn type references. Replace
1836 all unary/binary/move references with ialu.
1837 * config/sparc/sparc.c (whole file): Kill TYPE_ADDRESS
1838 references. Replace TYPE_{UNARY,BINARY,MOVE} references with
1841 Simplify length insn attribute and make more judicious use
1842 of insn attribute defaulting.
1843 * config/sparc/sparc.md (all insns with length > one): Mark as
1844 insn type multi if real instructions, else use default if
1845 it is a forced splitter.
1846 (all insns with length == one): Use default insn length.
1847 (all insns of type ialu): Use default insn type.
1849 Fix erroneous insn attribute settings.
1850 (addx): Set insn type to misc.
1851 (mulsidi3_sp64, const_mulsidi3_sp64, umulsidi3_sp64,
1852 const_umulsidi3_sp64): Set insn type to imul.
1854 Track SFmode vs DFmode insns according to UltraSPARC
1856 * config/sparc/sparc.md ("fptype"): New attribute, default
1858 (all DFmode single insns): Mark as fptype "double".
1860 2001-09-03 Jakub Jelinek <jakub@redhat.com>
1862 * loop.c (express_from_1): Fix CONSTANT_P(a) case.
1864 2001-09-03 Richard Henderson <rth@redhat.com>
1866 * function.h (struct function): Add arg_pointer_save_area_init.
1867 * function.c (expand_function_end): Init arg_pointer_save_area.
1868 (get_arg_pointer_save_area): Do not init arg_pointer_save_area
1869 when called from a nested function.
1871 2001-09-02 Angela Marie Thomas <angela@cygnus.com>
1873 * fixinc/Makefile.in: Regenerate fixincl.x only if maintainer-mode
1876 Sun Sep 2 18:37:54 CEST 2001 Jan Hubicka <jh@suse.cz>
1878 * reload1.c (fixup_abnormal_edges): Allow NOTEs in the sequence.
1880 2001-09-01 Geoffrey Keating <geoffk@redhat.com>
1882 * expr.c (push_block): Make sane use of STACK_GROWS_DOWNWARD.
1883 (emit_push_insn): Use specified padding direction when
1884 STACK_PUSH_CODE is POST_INC.
1886 * config/stormy16/stormy16.h (DWARF2_UNWIND_INFO): Define to 0.
1888 2001-09-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1890 * mips.h (INITIAL_ELIMINATION_OFFSET): Add missing `else abort'.
1892 2001-09-01 Neil Booth <neil@daikokuya.demon.co.uk>
1894 * cppinit.c (cpp_start_read): Free the imacros list as we
1895 traverse it. Don't free the chains before returning.
1896 (_cpp_push_next_buffer): Only try pushing buffers if we've
1897 completed -imacros handling.
1899 2001-08-31 Eric Christopher <echristo@redhat.com>
1901 * gcc.c (handle_braces): Add explaination for abort.
1903 2001-08-30 Roman Zippel <zippel@linux-m68k.org>
1905 * expmed.c (store_bit_field): Update to patch from 2001-08-27:
1906 move adjustment of bitpos instead.
1908 2001-08-31 Zack Weinberg <zack@codesourcery.com>
1910 * function.c: Remove all_functions. Make outer_function_chain
1912 (init_function_start): Don't add new function structure to
1914 (find_function_data, push_function_context_to,
1915 pop_function_context_from, put_var_into_stack,
1916 trampoline_address): Update for changed structure element names.
1917 (push_function_context_to): Disentangle.
1918 (free_after_compilation): Also free F.
1919 (expand_dummy_function_end): Don't free cfun here.
1920 (put_var_into_stack): Comment why we can't use find_function_data here.
1921 (fix_lexical_addr, trampoline_address, ): Use find_function_data.
1922 (mark_function_chain): Split into maybe_mark_struct_function and
1923 ggc_mark_struct_function. Export the latter.
1924 (init_function_once): Mark from cfun and outer_function_chain;
1927 * function.h (struct function): Kill next_global. Rename next
1928 to outer. All users updated to match.
1929 (all_functions, outer_function_chain): Don't declare.
1931 * ggc-common.c (ggc_mark_trees): Mark DECL_SAVED_INSNS.
1932 * integrate.c (output_inline_function): Clear DECL_SAVED_INSNS,
1933 don't touch f->inlinable, after calling rest_of_compilation.
1935 * tree.h: Forward-declare struct function. Prototype
1936 ggc_mark_struct_function.
1938 2001-08-31 Kazu Hirata <kazu@hxi.com>
1940 * config/h8300/h8300.md (*andorhi3): Fix typos.
1942 2001-08-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1944 * calls.c (emit_library_call_value): Don't use a fixed
1945 argument after VA_CLOSE, i.e. out of scope in traditional C.
1947 * emit-rtl.c (gen_rtvec): Likewise.
1949 2001-08-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1951 * Makefile.in (c-pragma.o): Depend on output.h.
1952 (reorg.o): Depend on except.h.
1954 * c-pragma.c: Include output.h.
1956 * reorg.c: Include except.h.
1958 * unwind-dw2.c: Call __builtin_alloca, not alloca.
1960 2001-08-31 Richard Henderson <rth@redhat.com>
1962 * sched-deps.c (add_dependence): Don't elide dependancy if the
1963 conditional used by insn is modified in elem.
1965 2001-08-31 Nick Clifton <nickc@cambridge.redhat.com>
1967 * config/v850/v850.h (OUTPUT_ADDR_CONST_EXTRA): Define.
1969 2001-08-31 Diego Novillo <dnovillo@redhat.com>
1971 * c-decl.c (c_decode_option): Skip '-f' prefix before calling
1974 2001-08-31 Geoffrey Keating <geoffk@redhat.com>
1976 * config/stormy16/stormy16.c (stormy16_asm_out_destructor): New
1978 (stormy16_asm_out_constructor): New function.
1979 (TARGET_ASM_CONSTRUCTOR): Define.
1980 (TARGET_ASM_DESTRUCTOR): Define.
1982 2001-08-31 Andreas Jaeger <aj@suse.de>
1984 * gcse.c (add_label_notes): REG_LABEL is an INSN_LIST.
1985 * loop.c (add_label_notes): Likewise.
1986 * reload.c (find_reloads): Likewise.
1987 * config/sh/sh.c (machine_dependent_reorg): Likewise.
1989 2001-08-31 Jason Merrill <jason_merrill@redhat.com>
1991 * unwind-pe.h (read_uleb128, read_sleb128): Move actual reading
1992 code here. Take _Unwind_{W,Sw}ord*.
1993 (read_encoded_value_with_base): Use them.
1994 * unwind-dw2.c (_Unwind_FrameState): Make cfa_offset and cfa_reg
1996 (extract_cie_info): Simplify read_?leb128 handling.
1997 (execute_stack_op, execute_cfa_program): Likewise.
1998 * unwind-dw2-fde.c (get_cie_encoding): Likewise.
2000 2001-08-31 Geoffrey Keating <geoffk@redhat.com>
2002 * config/stormy16/stormy16.c (stormy16_expand_epilogue): Use
2003 the frame pointer to pop the stack if convenient.
2005 * config/stormy16/stormy16.c (stormy16_initialize_trampoline):
2006 Don't use post-increment before combine.
2007 * config/stormy16/stormy16.h (STATIC_CHAIN_REGNUM): Don't use
2008 a call-saved register.
2010 2001-08-31 Andreas Jaeger <aj@suse.de>
2012 * jump.c (mark_jump_label): Revert patch from 2001-08-28, the
2015 2001-08-30 Geoffrey Keating <geoffk@redhat.com>
2017 * config/stormy16/stormy16.md (udivmodhi4): Express using UDIV/UMOD,
2018 not DIV/MOD, of course.
2020 2001-08-30 Vladimir Makarov <vmakarov@redhat.com>
2022 * rtl.def: Undo my patch commited 2001-08-27.
2024 * genattrtab.c: Ditto.
2028 * sched-int.h: Ditto.
2030 * target-def.h: Ditto.
2034 * haifa-sched.c: Ditto.
2036 * sched-rgn.c: Ditto.
2038 * sched-vis.c: Ditto.
2040 * Makefile.in: Ditto.
2042 * doc/md.texi: Ditto.
2044 * doc/tm.texi: Ditto.
2046 * doc/contrib.texi: Ditto.
2048 * doc/gcc.texi: Ditto.
2050 * genattrtab.h: Remove it.
2052 * genautomata.c: Remove it.
2054 * genattr.c: Undo my patch and Richard Henderson's patch commited
2057 Thu Aug 30 19:22:15 2001 J"orn Rennecke <amylaar@redhat.com>
2059 * config.gcc (h8300-*-elf*): New case.
2060 * h8300.h (CPP_SPEC): Add subtarget_cpp_spec.
2061 (SUBTARGET_CPP_SPEC): Define.
2062 (EXTRA_SPECS): Define.
2063 (SUBTARGET_EXTRA_SPECS): Define.
2064 * config/h8300/crti.asm, config/h8300/crtn.asm: New files.
2065 * config/h8300/elf.h, config/h8300/t-elf: Likewise.
2067 Thu Aug 30 18:50:37 2001 J"orn Rennecke <amylaar@redhat.com>
2069 * t-h8300 (LIB1ASMFUNCS): Add _fixunssfdi and _fixunssfsi_asm.
2070 (LIB2FUNCS_EXTRA): Define.
2071 config/h8300/lib1funcs.asm: New part: L_fixunssfsi_asm .
2072 config/h8300/fixunssfsi.c: New file.
2074 2001-08-30 Kazu Hirata <kazu@hxi.com>
2076 * config/h8300/h8300.md (zero_extendqihi2): Changes to
2077 define_expand to accomodate target-specific attributes.
2078 (anonymous zero_extendqihi2 patterns): New.
2080 Thu Aug 30 18:10:56 2001 J"orn Rennecke <amylaar@redhat.com>
2082 * h8300.md (*andorhi3): New pattern.
2084 Thu Aug 30 16:00:31 2001 J"orn Rennecke <amylaar@redhat.com>
2086 * h8300.c (dosize): Fix test for "sub".
2088 Thu Aug 30 10:21:43 2001 J"orn Rennecke <amylaar@redhat.com>
2090 * c-typeck.c (pointer_diff): Try to eliminate common term before
2093 2001-08-30 Nick Clifton <nickc@cambridge.redhat.com>
2095 * config/arm/arm.c (arm_compute_initial_elimination_offset):
2096 Account for the saves of the FP registers.
2098 * config/arm/unknown-elf.h (TEXT_SECTION): Delete.
2099 (TEXT_SECTION_ASM_OP): Define.
2100 (INIT_SECTION_ASM_OP): Define.
2101 (FINI_SECTION_ASM_OP): Define.
2102 (SUBTARGET_EXTRA_SECTIONS): Remove trailing comma.
2103 (RDATA_SECTION_FUNCITON): Provide prototype.
2105 2001-08-29 Geoffrey Keating <geoffk@redhat.com>
2107 * reload1.c (move2add_note_store): Correct typo checking for
2110 2001-08-29 Andrew MacLeod <amacleod@redhat.com>
2112 * gcse.c (compute_hash_table): The SRC part of an insn with a RETVAL
2113 note should not be considered outside the libcall block.
2115 2001-08-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2117 * genattrtab.c (attr_printf): Use VA_OPEN/VA_FIXEDARG/VA_CLOSE.
2119 2001-08-29 Kazu Hirata <kazu@hxi.com>
2121 * config/h8300/h8300.md (movsi_h8300hs): Make it 64-bit safe.
2123 2001-08-29 Kazu Hirata <kazu@hxi.com>
2125 * config/h8300/h8300-protos.h: Add a prototype for
2127 * config/h8300/h8300.c (emit_logical_op): New.
2128 * config/h8300/h8300.md (andhi3): Use emit_logical_op.
2135 2001-08-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
2137 * pa.c (move_operand): Cast GET_MODE_SIZE results to HOST_WIDE_INT for
2138 comparison with rtx INTVAL.
2139 (pa_output_function_prologue): Don't mix signed and unsigned in `?'
2141 * pa.h (FUNCTION_ARG_SIZE): Likewise.
2143 2001-08-29 Kazu Hirata <kazu@hxi.com>
2145 * config/h8300/lib1funcs.asm: Update the copyright. Fix
2148 2001-08-29 Kazu Hirata <kazu@hxi.com>
2150 * config/h8300/h8300.md (anonymous movhi pattern): Don't move
2151 (reg n) to (mem (pre_dec (reg n))
2152 (anonymous movsi pattern): Likewise.
2154 2001-08-29 Kazu Hirata <kazu@hxi.com>
2156 * config/h8300/h8300.h (RETURN_ADDR_RTX): New.
2158 2001-08-29 Kazu Hirata <kazu@hxi.com>
2160 * config/h8300/h8300.md (movsi_h8300hs): Optimize loading of
2161 several special constants.
2163 2001-08-29 Kazu Hirata <kazu@hxi.com>
2165 * config/h8300/lib1funcs.asm: Fix comment typos.
2167 2001-08-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2169 * iris6.h (ASM_DECLARE_OBJECT_NAME, ASM_FINISH_DECLARE_OBJECT):
2170 Fix format specifier warnings.
2172 * irix6-libc-compat.c (inet_ntoa, inet_lnaof, inet_netof,
2173 inet_makeaddr, semctl): Prototype.
2175 * mips.c (compute_frame_size): Fix signed/unsigned warnings.
2176 (save_restore_insns): Use base_offset, not gp_offset.
2178 * mips.h (GP_REG_OR_PSEUDO_STRICT_P): Fix signed/unsigned warning.
2179 (ASM_OUTPUT_BYTE): Fix format specifier warning.
2181 2001-08-29 Richard Henderson <rth@redhat.com>
2183 * bb-reorder.c (function_tail_eff_head): New.
2184 (record_effective_endpoints): Set it.
2185 (fixup_reorder_chain): Use it.
2187 2001-08-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2189 * dwarf2asm.c (dw2_asm_output_nstring): Fix typo in previous change.
2191 2001-08-28 Dale Johannesen <dalej@apple.com>
2193 * config/darwin.c (machopic_function_base_name): Add const
2194 qualifier to a string.
2195 (darwin_encode_section_info): Ditto.
2197 2001-08-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2199 * tree.c (default_valid_attribute_p): Don't use PARAMS on a
2200 function definition.
2202 2001-08-28 Daniel Berlin <dan@cgsoftware.com>
2204 * df.h (struct df): Add rts_order variable.
2206 * df.c (df_visit_next_rts): New function.
2207 (df_visit_next): Renamed to df_visit_next_rc
2208 (df_analyse_1): Allocate/compute/free rts_order as well.
2209 (df_rd_global_compute): Use df_visit_next_rc instead of
2211 (df_ru_global_compute): Use df_visit_next_rts instead of
2214 * flow.c (flow_reverse_top_sort_order_compute): New function.
2216 * basic-block.h: Add prototype.
2218 2001-08-28 Daniel Berlin <dan@cgsoftware.com>
2220 * ssa-ccp.c (ssa_ccp_df_delete_unreachable_insns): For unreachable
2221 blocks, the BB_REACHABLE is now set, rather than aux being
2222 non-NULL. Update the test to reflect this.
2224 2001-08-28 Eric Christopher <echristo@redhat.com>
2226 * config/mips/crtn.asm: Add comment explaining 16 byte alignment.
2227 config/mips/crti.asm: Ditto.
2229 2001-08-28 Eric Christopher <echristo@redhat.com>
2230 Richard Henderson <rth@redhat.com>
2232 * c-pragma.h (add_weak): Move prototype from here...
2233 * output.h (add_weak): ... to here.
2234 * varasm.c (add_weak): Fix typo.
2235 * config/mips/crti.asm: New file.
2236 * config/mips/crtn.asm: Ditto.
2237 * config/mips/elf.h (SBSS_SECTION_ASM_OP) Add #undef.
2238 (CTOR_LISTS_DEFINED_EXTERNALLY): Remove.
2239 (INVOKE__main): Ditto.
2240 (INIT_SECTION_ASM_OP): New.
2241 (FINI_SECTION_ASM_OP): Ditto.
2242 (STARTFILE_SPEC): Add crti.
2243 (ENDFILE_SPEC): Add crtn.
2244 * config/mips/elf64.h: Same.
2245 * config/mips/rtems64.h (INVOKE__main, NAME__MAIN, SYMBOL__MAIN):
2247 * config/mips/vxworks.h: Ditto.
2248 * config/mips/t-elf: Support crti and crtn.
2250 2001-08-28 Alexandre Oliva <aoliva@redhat.com>
2252 * jump.c (mark_jump_label): Fix typo: REG_LABEL is EXPR_LIST, not
2255 2001-08-28 Richard Henderson <rth@redhat.com>
2257 * config/ia64/ia64.md (andcmbi3, iorcmbi3): Fix typos.
2258 (one_cmplbi2 splitter): Remove redundant test.
2260 2001-08-28 Dale Johannesen <dalej@apple.com>
2262 * config/rs6000/darwin.h (DEFAULT_SIGNED_CHAR): Define.
2264 2001-08-28 Danny Smith <dannysmith@users.sourceforge.net>
2266 * config/i386/cygwin.h (BIGGEST_FIELD_ALIGNMENT): Set to 64.
2268 2001-08-28 Stan Shebs <shebs@apple.com>
2270 * config/darwin.h (ASM_OUTPUT_LABELREF): Handle '*' names.
2271 (UNALIGNED_SHORT_ASM_OP): Define.
2272 (UNALIGNED_INT_ASM_OP): Define.
2274 2001-08-28 Will Cohen <wcohen@redhat.com>
2276 * config/rs6000/rs6000.md (store_multiple): Correct RTL
2277 generation for first set.
2279 2001-08-27 Roman Zippel <zippel@linux-m68k.org>
2281 * flow.c (redirect_edge_succ_nodup): Return new edge.
2282 (try_simplify_condjump): Use new edge.
2283 * basic-block.h (redirect_edge_succ_nodup): Update prototype.
2285 * cse.c (cse_basic_block): Skip note instructions.
2287 2001-08-27 Richard Henderson <rth@redhat.com>
2289 * combine.c (combine_simplify_rtx): Don't reverse condition
2290 if there is no reverse for the condition.
2291 (simplify_comparison): Don't simplify subregs from INT to FP.
2293 * config/m68k/m68k.md (sordered, sordered_1, sunordered, sunordered_1,
2294 suneq, suneq_1, sunge, sunge_1, sungt, sungt_1, sunle, sunle_1,
2295 sunlt, sunlt_1, sltgt, sltgt_1, fsogt_1, fsoge_1, fsolt_1, fsole_1,
2296 bordered, bunordered, buneq, bunge, bungt, bunle, bunlt, bltgt,
2297 bordered_rev, bunordered_rev, buneq_rev, bunge_rev, bungt_rev,
2298 bunle_rev, bunlt_rev, bltgt_rev): New patterns.
2300 2001-08-27 Roman Zippel <zippel@linux-m68k.org>
2302 * config/m68k/m68k.md (subreghi1ashrdi_const32, bsetmemqi,
2303 bsetmemqi+1, strict_low_part peephole): Fix SUBREG_BYTE offset.
2305 (adddi_dilshr32, adddi_dishl32): Only data register can be
2306 source for mem destination.
2308 * expmed.c (store_bit_field): Ignore adjustment to bitpos
2309 and use bitnum to decide about register move.
2311 2001-08-27 Richard Henderson <rth@redhat.com>
2313 * genattr.c (main): Emit state_t even when not doing scheduling.
2315 2001-08-27 Roman Zippel <zippel@linux-m68k.org>
2316 Richard Henderson <rth@redhat.com>
2318 * gcse.c (reg_first_set, reg_last_set): Replace with ...
2319 (reg_avail_info, current_bb): ... these.
2320 (oprs_unchanged_p, record_last_reg_set_info): Use them.
2321 (compute_hash_table): Likewise.
2323 2001-08-27 Roman Zippel <zippel@linux-m68k.org>
2325 * flow.c (verify_flow_info): Use checksums to verify edges.
2327 2001-08-27 Richard Henderson <rth@redhat.com>
2329 * genautomata.c (expand_automata): Always create a description.
2331 2001-08-27 Geoffrey Keating <geoffk@redhat.com>
2333 * optabs.c (expand_binop): Correctly handle the carry in multiword
2334 add/subtract operations.
2336 2001-08-27 Fred Fish <fnf@be.com>
2338 * ginclude/stddef.h: Fix typo, __SIZE__TYPE__ should be
2341 2001-08-27 Geoffrey Keating <geoffk@redhat.com>
2343 * reload.c (find_reloads_toplev): Back out this change:
2345 Wed Jul 26 19:44:05 2000 Hans-Peter Nilsson <hp@axis.com>
2347 * reload.c (find_reloads_toplev): Reload a paradoxical subreg of a
2348 mem if the address is a mode_dependent_address_p.
2350 2001-08-27 Vladimir Makarov <vmakarov@touchme.toronto.redhat.com>
2352 * rtl.def (DEFINE_CPU_UNIT, DEFINE_QUERY_CPU_UNIT, EXCLUSION_SET,
2353 PRESENCE_SET, ABSENCE_SET, DEFINE_BYPASS, DEFINE_AUTOMATON,
2354 AUTOMATA_OPTION, DEFINE_RESERVATION, DEFINE_INSN_RESERVATION): New
2357 * genattr.c (main): New variable num_insn_reservations. Increase
2358 it if there is DEFINE_INSN_RESERVATION. Output automaton based
2359 pipeline hazard recognizer interface.
2361 * genattrtab.h: New file.
2363 * genattrtab.c: Include genattrtab.h.
2364 (attr_printf, check_attr_test, make_internal_attr,
2365 make_numeric_value): Move protypes into genattrtab.h. Define them
2367 (num_dfa_decls): New global variable.
2368 (main): Process DEFINE_CPU_UNIT, DEFINE_QUERY_CPU_UNIT,
2369 DEFINE_BYPASS, EXCLUSION_SET, PRESENCE_SET, ABSENCE_SET,
2370 DEFINE_AUTOMATON, AUTOMATA_OPTION, DEFINE_RESERVATION,
2371 DEFINE_INSN_RESERVATION. Call expand_automata and write_automata.
2373 * genautomata.c: New file.
2375 * rtl.h (LINK_COST_ZERO, LINK_COST_FREE): Remove them.
2377 * sched-int.h: (curr_state): Add the external definition for
2378 automaton pipeline interface.
2379 (haifa_insn_data): Add comments for members blockage and units.
2381 * target-def.h (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE,
2382 TARGET_SCHED_INIT_DFA_PRE_CYCLE_INSN,
2383 TARGET_SCHED_DFA_PRE_CYCLE_INSN,
2384 TARGET_SCHED_INIT_DFA_POST_CYCLE_INSN,
2385 TARGET_SCHED_DFA_POST_CYCLE_INSN,
2386 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD,
2387 TARGET_SCHED_INIT_DFA_BUBBLES, TARGET_SCHED_DFA_BUBBLE): New
2389 (TARGET_SCHED): Use the new macros.
2391 * target.h (use_dfa_pipeline_interface, init_dfa_pre_cycle_insn,
2392 dfa_pre_cycle_insn, init_dfa_post_cycle_insn, dfa_post_cycle_insn,
2393 first_cycle_multipass_dfa_lookahead, init_dfa_bubbles,
2394 dfa_bubble): New members in gcc_target.sched.
2396 * haifa-sched.c (insert_schedule_bubbles_p): New variable.
2397 (MAX_INSN_QUEUE_INDEX): New macro for automaton interface.
2398 (insn_queue): Redefine it as pointer to array.
2399 (NEXT_Q, NEXT_Q_AFTER): Use MAX_INSN_QUEUE_INDEX instead of
2401 (max_insn_queue_index_macro_value): New variable.
2402 (curr_state, dfa_state_size, ready_try): New varaibles for
2403 automaton interface.
2404 (ready_element, ready_remove, max_issue): New function prototypes
2405 for automaton interface.
2406 (choose_ready): New function prototype.
2407 (insn_unit, blockage_range): Add comments.
2408 (unit_last_insn, unit_tick, unit_n_insns): Define them for case
2409 FUNCTION_UNITS_SIZE == 0.
2410 (insn_issue_delay, actual_hazard_this_instance, schedule_unit,
2411 actual_hazard, potential_hazard): Add comments.
2412 (insn_cost): Use cost -1 as undefined value. Remove
2413 LINK_COST_ZERO and LINK_COST_FREE. Add new code for automaton
2415 (ready_element, ready_remove): New functions for automaton
2417 (schedule_insn): Add new code for automaton pipeline interface.
2418 (queue_to_ready): Add new code for automaton pipeline interface.
2419 Use MAX_INSN_QUEUE_INDEX instead of INSN_QUEUE_SIZE.
2420 (debug_ready_list): Print newline when the queue is empty.
2421 (max_issue): New function for automaton pipeline interface.
2422 (choose_ready): New function.
2423 (schedule_block): Add new code for automaton pipeline interface.
2424 Print ready list before scheduling each insn.
2425 (sched_init): Add new code for automaton pipeline interface.
2426 Initiate insn cost by -1.
2427 (sched_finish): Free the current automaton state and finalize
2428 automaton pipeline interface.
2430 * sched-rgn.c: Include target.h.
2431 (init_ready_list, new_ready, debug_dependencies): Add new code for
2432 automaton pipeline interface.
2434 * sched-vis.c: Include target.h.
2435 (get_visual_tbl_length): Add code for automaton interface.
2436 (target_units, print_block_visualization): Add comments.
2438 * Makefile.in (GETRUNTIME, HASHTAB, HOST_GETRUNTIME, HOST_HASHTAB,
2439 USE_HOST_GETRUNTIME, USE_HOST_HASHTAB, HOST_VARRAY): New variables.
2440 (sched-rgn.o, sched-vis.o): Add new dependency file target.h.
2441 (getruntime.o, genautomata.o): New entries.
2442 (genattrtab.o): Add new dependency file genattrtab.h.
2443 (genattrtab): Add new dependencies. Link it with `libm.a'.
2444 (getruntime.o, hashtab.o): New entries for canadian cross.
2446 * doc/md.texi: Description of automaton based model.
2448 * doc/tm.texi (TARGET_SCHED_ISSUE_RATE, TARGET_SCHED_ADJUST_COST):
2450 (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE,
2451 TARGET_SCHED_DFA_PRE_CYCLE_INSN,
2452 TARGET_SCHED_INIT_DFA_PRE_CYCLE_INSN,
2453 TARGET_SCHED_DFA_POST_CYCLE_INSN,
2454 TARGET_SCHED_INIT_DFA_POST_CYCLE_INSN,
2455 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD,
2456 TARGET_SCHED_INIT_DFA_BUBBLES, TARGET_SCHED_DFA_BUBBLE): The new
2458 (TRADITIONAL_PIPELINE_INTERFACE, DFA_PIPELINE_INTERFACE,
2459 MAX_DFA_ISSUE_RATE): New macro descriptions.
2461 * doc/contrib.texi: Add dfa based scheduler contribution.
2463 * doc/gcc.texi: Add more information about genattrtab.
2465 2001-08-27 Diego Novillo <dnovillo@redhat.com>
2467 * flow.c (flow_loop_dump): Do not display insn UIDs if this is not
2470 2001-08-27 Richard Henderson <rth@redhat.com>
2472 * function.c (expand_function_end): Don't init arg_pointer_save_area.
2473 (get_arg_pointer_save_area): New. Create an init it here.
2474 (fix_lexical_addr): Use it.
2475 * function.h: Declare it.
2476 * builtins.c (expand_builtin_setjmp_receiver): Use it.
2477 * stmt.c (expand_nl_goto_receiver): Use it.
2479 2001-08-27 Richard Henderson <rth@redhat.com>
2481 * final.c (final_scan_insn): Don't enter APP_ON mode for
2484 * dwarf2asm.c (dw2_asm_output_encoded_addr_rtx): Use proper
2485 alignment for assemble_integer for DW_EH_PE_aligned.
2486 * except.c (output_function_exception_table): Likewise.
2488 2001-08-26 Andreas Jaeger <aj@suse.de>
2490 * c-tree.h: Add prototyp for c_sizeof_nowarn.
2492 2001-08-25 Dan Nicolaescu <dann@ics.uci.edu>
2494 * ssa-ccp.c (ssa_const_prop): Free ssa_edges.
2496 2001-08-27 Alan Modra <amodra@bigpond.net.au>
2498 * config/rs6000/rs6000.c (mask_operand): Rewrite without
2500 (mask64_operand): Likewise.
2501 (rldic_operand): Delete.
2502 (includes_lshift64_p): Delete.
2503 (includes_rldic_lshift_p): New function.
2504 (includes_rldicr_lshift_p): New function.
2505 (print_operand): Don't call rldic_operand in case 'W'.
2506 * config/rs6000/rs6000-protos.h (rldic_operand): Remove.
2507 (includes_lshift64_p): Remove.
2508 (includes_rldic_lshift_p): Declare.
2509 (includes_rldicr_lshift_p): Declare.
2510 * config/rs6000/rs6000.h (PREDICATE_CODES): Remove rldic_operand.
2511 * config/rs6000/rs6000.md <ashldi3_internal 64 bit patterns>:
2512 Replace match_operand rldic_operand predicate with
2513 const_int_operand. Replace includes_lshift64_p condition with
2514 includes_rldic_lshift_p.
2515 <ashldi3_internal 64 bit rldicr patterns>: New.
2517 2001-08-27 Andreas Jaeger <aj@suse.de>
2519 * emit-rtl.c: Use VA_OPEN/VA_CLOSE/VA_FIXEDARG throughout.
2520 * errors.c: Likewise.
2521 * final.c: Likewise.
2522 * dwarf2asm.c: Likewise.
2523 * doprint.c (checkit): Likewise.
2524 * diagnostic.c: Likewise.
2525 * collect2.c: Likewise.
2526 * calls.c: Likewise.
2527 * c-semantics.c (build_stmt): Likewise.
2528 * c-format.c (status_warning): Likewise.
2529 * c-errors.c (pedwarn_c99): Likewise.
2530 * builtins.c (validate_arglist): Likewise.
2531 * config/pj/pj.c (pj_printf): Likewise.
2532 * fix-header.c: Likewise.
2534 * gcov.c (fnotice): Likewise.
2535 * gensupport.c (message_with_line): Likewise.
2536 * mips-tfile.c: Likewise.
2537 * protoize.c (notice): Likewise.
2538 * read-rtl.c (fatal_with_file_and_line): Likewise.
2539 * rtl-error.c: Likewise.
2540 * tradcpp.c: Likewise.
2542 * cp/tree.c (build_min_nt): Likewise.
2543 (build_min): Likewise.
2544 * cp/lex.c: Likewise.
2545 * cp/errfn.c: Likewise.
2546 * cp/rtti.c (create_pseudo_type_info): Likewise.
2548 Sun Aug 26 20:25:44 2001 Denis Chertykov <denisc@overta.ru>
2550 * df.c (df_uses_record): Return after recording all uses
2553 2001-08-26 Daniel Berlin <dan@cgsoftware.com>
2555 * df.c (df_insn_modify): Realloc the INSN table here, if
2556 necessary, here, too.
2558 2001-08-26 Aldy Hernandez <aldyh@redhat.com>
2560 * config/mips/mips.c (mips_function_value): Handle complex return
2563 2001-08-25 Hans-Peter Nilsson <hp@bitrange.com>
2565 * reload1.c (reload): Make all entries in reg_equiv_memory_loc
2567 * reload.c (make_memloc): Copy result if it is still
2568 reg_equiv_memory_loc[regno] on return.
2569 (subst_reloads) [ENABLE_CHECKING]: Check that none of
2570 reg_equiv_constant, reg_equiv_memory_loc, reg_equiv_address and
2571 reg_equiv_mem are modified by the substitutions.
2573 Sat Aug 25 23:07:35 CEST 2001 Jan Hubicka <jh@suse.cz>
2575 * predict.c (expensive_function_p): New.
2576 * rtl.h (expensive_function_p): Declare.
2577 * i386.c (FAST_PROLOGUE_INSN_COUNT): New constant.
2578 (use_fast_prologue_epilogue): New static variable.
2579 (expand_prologue): Set it; emit short prologues if unset.
2580 (expand_epilogue): Likewise.
2582 2001-08-22 Geoffrey Keating <geoffk@redhat.com>
2584 * config.gcc: Add stormy16-*-elf case.
2585 * config/stormy16/stormy-abi: New file.
2586 * config/stormy16/stormy16-lib2.c: New file.
2587 * config/stormy16/stormy16-protos.h: New file.
2588 * config/stormy16/stormy16.c: New file.
2589 * config/stormy16/stormy16.h: New file.
2590 * config/stormy16/stormy16.md: New file.
2591 * config/stormy16/t-stormy16: New file.
2593 Sat Aug 25 15:46:51 CEST 2001 Jan Hubicka <jh@suse.cz>
2595 * i386.h (no-accumulate-outgoing-args): Use proper mask.
2597 2001-08-24 David Edelsohn <edelsohn@gnu.org>
2599 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Function
2600 descriptor members are pointer size, not constant 4.
2601 * config/rs6000/rs6000.md (define_splits): Remove more unused
2604 2001-08-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2606 * sparc.h (ASM_OUTPUT_BYTE): Fix format specifier warning.
2608 2001-08-24 Andreas Jaeger <aj@suse.de>, rkl@connect.org.uk
2610 * cp/rtti.c (VPARAMS): Fix parameter.
2612 2001-08-24 Zack Weinberg <zackw@panix.com>
2614 * expmed.c: Default-#define HAVE_insv, HAVE_extv, and HAVE_extzv
2616 (mode_for_extraction): No need for #ifdefs. Add default-case abort
2618 (store_bit_field): Eliminate insv_bitsize variable. Put HAVE_insv
2619 in if controlling use of insv.
2620 (extract_bit_field): Likewise, for extv and extzv.
2622 Fri Aug 24 17:27:46 CEST 2001 Jan Hubicka <jh@suse.cz>
2624 * i386.md (movcc peep2): Fix load of 0.
2626 2001-08-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2628 * fold-const.c (tree_expr_nonnegative_p): Handle *_DIV_EXPR,
2629 *_MOD_EXPR, SAVE_EXPR and NON_LVALUE_EXPR.
2631 2001-08-23 Jason Merrill <jason_merrill@redhat.com>
2633 * c-pragma.h: Move weak_syms and weak_decls...
2634 * varasm.c: ...here. Now static.
2635 (declare_weak, weak_finish, remove_from_pending_weak_list): Don't
2636 depend on HANDLE_PRAGMA_WEAK.
2638 * c-common.c (c_alignof, c_alignof_expr): Move here...
2639 * c-typeck.c: ...from here.
2640 * c-tree.h, c-common.h: Adjust.
2642 2001-08-23 Bernd Schmidt <bernds@redhat.com>
2644 * config/ia64/ia64.c (rws_update): If !pred, set write_count
2645 instead of incrementing it.
2647 * config/ia64/ia64.c (ia64_sched_reorder): When there's more than one
2648 asm ready, don't try to move them all into the same array element.
2650 Thu Aug 23 17:21:43 CEST 2001 Jan Hubicka <jh@suse.cz>
2652 * function.c (thread_prologue_and_epilogue_insns): Avoid
2653 fallthru flag on edge to exit.
2655 * i386.md (trunc?fsi splitter): Conditionionize for non-sse.
2657 * flow.c (delete_noop_moves, propagate_block_delete_insn): Purge
2660 2001-08-23 Lars Brinkhoff <lars@nocrew.org>
2662 * config/mcore/mcore.h (MACHINE_DEPENDENT_SIMPLIFY): Remove.
2663 * config/mcore/mcore.c (mcore_dependent_simplify_rtx): Likewise.
2664 * config/mcore/mcore-protos.h (mcore_dependent_simplify_rtx):
2667 2001-08-23 Lars Brinkhoff <lars@nocrew.org>
2669 * genconstants.c, genpreds.c, libfuncs.h, optabs.h, rtl-error.h:
2670 replace "GNU CC" with "GCC".
2672 2001-08-23 Richard Henderson <rth@redhat.com>
2674 * config/ia64/ia64.c (ia64_register_move_cost): Add mode arguemnt.
2675 Reorganize. Handle ADDL like GR, add GR_AND_BR. Handle TFmode.
2676 (ia64_secondary_reload_class): Need GR between AR/BR and anything.
2677 Need GR between FR and not GR_AND_FR.
2678 * config/ia64/ia64-protos.h (ia64_register_move_cost): Update.
2679 * config/ia64/ia64.h (reg_class): Add GR_AND_BR_REGS, move
2680 AR regs before GR regs.
2681 (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update.
2682 (PREFERRED_RELOAD_CLASS): Tweak for reordered classes.
2683 (REGISTER_MOVE_COST): Update.
2684 (MEMORY_MOVE_COST): Add GR_AND_FR_REGS.
2686 2001-08-23 Richard Henderson <rth@redhat.com>
2688 * regclass.c (init_reg_sets_1): Don't assume cost 2 within
2691 2001-08-22 Geoffrey Keating <geoffk@redhat.com>
2693 * reload1.c (emit_reload_insns): Don't look for notes
2694 on a NULL store_insn.
2696 2001-08-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2698 * sparc.c (uns_small_int): Don't reference a constant >32-bit.
2699 (addrs_ok_for_ldd_peep): Fix signed/unsigned warning.
2700 (sparc_flat_function_prologue, sparc_flat_function_epilogue): Fix
2701 format specifier warnings.
2702 (sparc_sched_reorder): Mark parameter with ATTRIBUTE_UNUSED.
2704 2001-08-22 David Billinghurst <David.Billinghurst@riotinto.com>
2706 * config/i386/i386-protos.h: Correct declaration of
2707 i386_pe_asm_named_section.
2709 2001-08-22 John David Anglin <dave@hiauly1.hia.nrc.ca>
2711 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Add declaration for
2713 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
2715 2001-08-22 Neil Booth <neil@daikokuya.demon.co.uk>
2717 * cpperror.c (print_location): Don't show _Pragma.
2718 * cppfiles.c (_cpp_pop_file_buffer): Handle -include file pushing
2719 and file change callback generation here.
2720 (stack_include_file): Update use of cpp_push_buffer.
2721 * cpphash.h (_cpp_pop_file_buffer): Update prototype.
2722 (struct cpp_buffer): Remove type, pfile members.
2723 * cppinit.c (cpp_handle_option): Use free_chain.
2724 * cpplex.c (_cpp_lex_token): Don't do -include file pushing here.
2725 (skip_escaped_newlines, get_effective_char, lex_percent): Take
2726 a cpp_reader rather than a cpp_buffer.
2727 (skip_escaped_newlines, get_effective_char, skip_block_comment,
2728 skip_line_comment, parse_string, lex_percent, lex_dot,
2729 _cpp_lex_token): Update accordingly.
2730 * cpplib.c (_cpp_pop_buffer): Don't do file change callback
2732 (cpp_push_buffer): Update prototype.
2733 (run_directive): Update use of cpp_push_buffer.
2734 (_cpp_do__Pragma, cpp_define, cpp_define_builtin, cpp_undef,
2735 handle_assertion): Update use of run_directive.
2736 * cpplib.h (enum cpp_buffer_type): Remove.
2737 (cpp_push_buffer): Update prototype.
2738 * fix-header.c (read_scan_file): Update.
2740 2001-08-22 Matt Kraai <kraai@alumni.carnegiemellon.edu>
2742 * gcc.c (struct prefix_list): Change prefix to const char *.
2744 2001-08-22 Matt Kraai <kraai@alumni.carnegiemellon.edu>
2746 * final.c (final_scan_insn): Call ADDR_VEC_ALIGN on next insn.
2748 2001-08-22 Jason Merrill <jason_merrill@redhat.com>
2750 * explow.c (set_mem_attributes): Avoid returning a bogus alias set
2753 * jump.c (squeeze_notes): Take parms by reference. Handle END being
2756 * ifcvt.c (dead_or_predicable): Adjust.
2757 * loop.c (find_and_verify_loops): Adjust.
2758 * stmt.c (expand_end_case): Adjust.
2759 * flow.c (merge_blocks_move_successor_nojumps): Adjust. Modify the
2760 head and end insn pointers in the basic block, not just local copies.
2761 (merge_blocks_move_predecessor_nojumps): Likewise.
2763 2001-08-22 Lars Brinkhoff <lars@nocrew.org>
2765 * Makefile.in, alias.c, basic-block.h, bb-reorder.c, bitmap.c,
2766 bitmap.h, builtin-types.def, builtins.c, builtins.def,
2767 c-aux-info.c, c-common.c, c-common.def, c-common.h,
2768 c-convert.c, c-decl.c, c-dump.c, c-dump.h, c-errors.c,
2769 c-format.c, c-lang.c, c-lex.c, c-lex.h, c-parse.in,
2770 c-pragma.c, c-pragma.h, c-semantics.c, c-tree.h, c-typeck.c,
2771 caller-save.c, calls.c, collect2.c, collect2.h, combine.c,
2772 conditions.h, config.gcc, configure.frag, configure.in,
2773 conflict.c, convert.c, convert.h, cppspec.c, crtstuff.c,
2774 cse.c, cselib.c, cselib.h, dbxout.c, dbxout.h, defaults.h,
2775 dependence.c, df.c, df.h, diagnostic.c, diagnostic.h,
2776 doloop.c, dominance.c, dwarf.h, dwarf2.h, dwarf2asm.c,
2777 dwarf2asm.h, dwarf2out.c, dwarf2out.h, dwarfout.c,
2778 emit-rtl.c, errors.c, errors.h, except.c, except.h,
2779 exgettext, explow.c, expmed.c, expr.c, expr.h, final.c,
2780 fixproto, flags.h, flow.c, fold-const.c, fp-test.c,
2781 function.c, function.h, gbl-ctors.h, gcc.c, gcc.h, gcc.hlp,
2782 gccspec.c, gcov-io.h, gcse.c, genattr.c, genattrtab.c,
2783 gencheck.c, gencodes.c, genconfig.c, genemit.c,
2784 genextract.c, genflags.c, gengenrtl.c, genmultilib,
2785 genopinit.c, genoutput.c, genpeep.c, genrecog.c,
2786 gensupport.c, gensupport.h, ggc-callbacks.c, ggc-common.c,
2787 ggc-none.c, ggc-page.c, ggc-simple.c, ggc.h, global.c,
2788 graph.c, graph.h, gthr-aix.h, gthr-dce.h, gthr-posix.h,
2789 gthr-rtems.h, gthr-single.h, gthr-solaris.h, gthr-vxworks.h,
2790 gthr-win32.h, gthr.h, haifa-sched.c, halfpic.c, halfpic.h,
2791 hard-reg-set.h, hwint.h, ifcvt.c, input.h, insn-addr.h,
2792 integrate.c, integrate.h, jump.c, lcm.c, libgcc2.c,
2793 libgcc2.h, lists.c, local-alloc.c, loop.c, loop.h,
2794 machmode.def, machmode.h, main.c, mbchar.c, mbchar.h,
2795 mips-tdump.c, mips-tfile.c, mklibgcc.in, mkmap-flat.awk,
2796 mkmap-symver.awk, optabs.c, output.h, params.c, params.def,
2797 params.h, predict.c, predict.def, predict.h, prefix.c,
2798 prefix.h, print-rtl.c, print-tree.c, profile.c, protoize.c,
2799 read-rtl.c, real.c, real.h, recog.c, recog.h, reg-stack.c,
2800 regclass.c, regmove.c, regrename.c, regs.h, reload.c,
2801 reload.h, reload1.c, reorg.c, resource.c, resource.h, rtl.c,
2802 rtl.def, rtl.h, rtlanal.c, sbitmap.c, sbitmap.h,
2803 sched-deps.c, sched-ebb.c, sched-int.h, sched-rgn.c,
2804 sched-vis.c, sdbout.c, sdbout.h, sibcall.c, simplify-rtx.c,
2805 ssa-ccp.c, ssa-dce.c, ssa.c, ssa.h, stmt.c, stor-layout.c,
2806 stringpool.c, system.h, timevar.c, timevar.def, timevar.h,
2807 tlink.c, toplev.c, toplev.h, tree.c, tree.def, tree.h,
2808 tsystem.h, unroll.c, unwind-dw2-fde.c, unwind-dw2-fde.h,
2809 unwind-dw2.c, unwind-pe.h, unwind-sjlj.c, unwind.h,
2810 unwind.inc, varasm.c, varray.c, varray.h, xcoffout.c,
2811 xcoffout.h: replace "GNU CC" with "GCC".
2813 2001-08-21 Richard Henderson <rth@redhat.com>
2815 * final.c (LABEL_ALIGN_AFTER_BARRIER): Default to no alignment.
2816 (final_scan_insn): Consider jump tables data even if we have no
2817 independant text section if !JUMP_TABLES_IN_TEXT_SECTION. Use
2819 * config/ia64/ia64.h (JUMP_TABLES_IN_TEXT_SECTION): Remove.
2820 (ASM_OUTPUT_CASE_END): Remove.
2821 (ASM_OUTPUT_ADDR_DIFF_ELT): Emit pc-relative references.
2822 * config/ia64/ia64.md (tablejump): Decode pc-relative references.
2823 * config/ia64/sysv4.h (ASM_OUTPUT_BEFORE_CASE_LABEL): Remove.
2825 2001-08-21 Richard Henderson <rth@redhat.com>
2827 * config/ia64/ia64.c (emit_all_insn_group_barriers): Flush state
2828 at barrier insns. Emit stop bits before barriers.
2830 * flow.c (flow_find_cross_jump): Don't consider unconditional
2831 return insns for commoning.
2833 * final.c (compute_alignments): Fix typo.
2835 * expmed.c (CODE_FOR_insv, gen_insv): Provide defaults.
2836 (CODE_FOR_extv, gen_extv, CODE_FOR_extzv, gen_extzv): Likewise.
2837 (store_bit_field): Use mode_for_extraction more places.
2838 (extract_bit_field): Likewise.
2840 2001-08-21 Zack Weinberg <zackw@panix.com>
2842 * caller-save.c: Don't include insn-codes.h.
2843 (reg_save_code, reg_restore_code): Make arrays of int.
2844 All uses updated to match.
2845 (insert_save, insert_restore): No need to initialize "code"
2846 variable upon declaration.
2847 * Makefile.in: update dependencies; fix typo in clean rule.
2849 2001-08-21 Richard Henderson <rth@redhat.com>
2851 * ifcvt.c (find_if_block): Allow join_bb as EXIT.
2852 (merge_if_block): Handle fallout from same.
2854 2001-08-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2856 * builtins.c (type_to_class): Fix typo in last change.
2858 2001-08-21 Richard Henderson <rth@redhat.com>
2860 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Don't emit '#' if
2861 ia64_asm_output_label.
2863 * config/ia64/crtbegin.asm (__do_global_dtors_aux): Use saved
2864 copy of gp while the real gp register contains garbage.
2866 2001-08-21 Zack Weinberg <zackw@panix.com>
2868 * expmed.c (mode_for_extraction): New function.
2869 (store_bit_field, extract_bit_field): Use it.
2870 * expr.h: Prototype it and provide an enum for its first argument.
2872 * combine.c, function.c, recog.c: Don't include insn-codes.h.
2873 Use mode_for_extraction rather than testing HAVE_insv/extv/extzv
2874 and digging through the insn_data tables.
2875 * Makefile.in: Update dependencies.
2877 2001-08-22 Neil Booth <neil@daikokuya.demon.co.uk>
2879 * cppfiles.c (stack_include_file): line-map.c now handles include
2881 (handle_missing_handler): Similarly.
2882 (_cpp_execute_include): Similarly.
2883 (_cpp_pop_file_buffer): Similarly.
2884 * cpphash.h (struct cpp_reader): Remove system_include_depth,
2885 buffer_stack_depth and include_depth.
2886 * cpplib.c (do_include_common): line-map.c now handles include depth.
2887 (cpp_push_buffer): Similarly.
2888 (_cpp_pop_buffer): Similarly.
2889 * cppmacro.c (builtin_macro): Update.
2890 * line-map.c (init_line_maps): Set depth.
2891 (add_line_map): Increment "used" earlier. Update and use the
2893 (trace_include): Use the include depth.
2894 * line-map.h (struct line_maps): New member depth.
2896 2001-08-21 Neil Booth <neil@daikokuya.demon.co.uk>
2898 * cppfiles.c (stack_include_file): Don't handle -H here.
2899 * cppinit.c (cpp_start_read): Set include tracing after
2900 cpp_post_options and after stacking the main file.
2901 * line-map.c (trace_include): New.
2902 (init_line_maps, add_line_map): Update.
2903 * line-map.h (struct line_maps): New member trace_includes.
2905 2001-08-21 Neil Booth <neil@daikokuya.demon.co.uk>
2907 * cppfiles.c (stack_include_file): Harmonize system headerness tests.
2908 * cppfiles.c (stack_include_file): Only stack a file if there
2909 is something to do. Return a boolean indicating whether a
2910 buffer was stacked or not.
2911 (_cpp_execute_include): Similarly.
2912 (_cpp_read_file): Similarly.
2913 * cpphash.h (_cpp_read_file, _cpp_execute_include): Update prototypes.
2915 2001-08-21 Sam Steingold <sds@gnu.org>
2917 * tradcpp.c (rescan): define obufp_before_macroname before RECACHE
2918 (RECACHE): keep obufp_before_macroname up to date
2920 2001-08-21 Zack Weinberg <zackw@panix.com>
2922 * stmt.c: Don't include insn-codes.h.
2923 (expand_end_case): Machine specific logic moved to expr.c.
2924 No need to worry about __builtin_classify_type.
2925 (check_for_full_enumeration_handling, emit_case_nodes):
2928 * builtins.o (expand_builtin_classify_type): Split up so code
2929 can be shared with fold_builtin_classify_type.
2930 (type_to_class, fold_builtin_classify_type): New functions.
2931 (fold_builtins): Handle __builtin_classify_type.
2933 * expr.c (do_tablejump): Now static.
2934 (case_values_threshold, try_casesi, try_tablejump): New;
2935 code mostly from stmt.c (expand_end_case).
2936 (expr.h): Update prototypes.
2938 * Makefile.in (stmt.o): Update dependencies.
2940 2001-08-21 Will Cohen <wcohen@redhat.com>
2942 * configure/alpha/alpha.h (CONDITIONAL_REGISTER_USAGE): Added local
2943 declaration of variable i.
2944 * configure/rs6000/rs6000.h (CONDITIONAL_REGISTER_USAGE): Added local
2945 declaration of variable i.
2947 2001-08-21 Richard Henderson <rth@redhat.com>
2949 * crtstuff.c: Fix thinko last change. Move list tails to start
2950 of CRT_END section. Tidy ifdefs.
2951 (__EH_FRAME_BEGIN__): Always static for ELF.
2952 (__do_global_ctors_1): Rename from __frame_dummy.
2953 * config/mips/iris6.h (LINK_SPEC): Update for __do_global_ctors_1
2954 name change; don't hide __EH_FRAME_BEGIN__.
2956 2001-08-21 Richard Henderson <rth@redhat.com>
2958 * gdbinit.in: Move break on exit after break on fancy_abort.
2960 * config/ia64/ia64.c (ia64_return_in_memory): True for variable
2963 2001-08-21 Neil Booth <neil@daikokuya.demon.co.uk>
2965 * cpphash.h (_cpp_push_next_buffer): New.
2966 * cppinit.c (do_includes): Remove.
2967 (push_include, free_chain, _cpp_push_next_buffer): New.
2968 (cpp_start_read): Use them to rework command line option handling.
2969 (cpp_handle_option): Combine handling of -include and -imacros.
2970 * cpplex.c (_cpp_lex_token): Push a new -include buffer if
2971 appropriate. Always insert missing \n at EOF.
2972 * cpplib.c (start_directive): Get the directive position right.
2973 * cppmain.c (cb_file_change): Always print the first line, unless
2976 2001-08-20 Andreas Jaeger <aj@suse.de>
2978 * profile.c (compute_branch_probabilities): Remove extra new-line
2980 * flow.c (verify_flow_info): Likewise.
2982 2001-08-20 Diego Novillo <dnovillo@redhat.com>
2984 * basic-block.h (basic_block): Add new field 'flags'.
2985 (BB_REACHABLE): Define.
2986 (expunge_block): Declare.
2987 * flow.c (ENTRY_BLOCK_PTR): Initialize field 'flags'.
2988 (EXIT_BLOCK_PTR): Ditto.
2989 (expunge_block): Remove static declaration.
2990 (cleanup_cfg): Clear bb->aux on every basic block.
2991 (find_unreachable_blocks): Set BB_REACHABLE bit in bb->flags when
2992 computing reachability.
2993 (delete_unreachable_blocks): Delete block b if b->flags has
2996 2001-08-20 Diego Novillo <dnovillo@redhat.com>
2998 * doc/invoke.texi: Replace references to -fdump-tree with -fdump-ast.
3000 2001-08-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3002 * sparc.c (sparc_variable_issue): Fix typo in last change.
3004 2001-08-20 Richard Henderson <rth@redhat.com>
3006 * varasm.c (assemble_integer): Document ppc-eabi -mrelocatable losage.
3008 2001-08-20 John David Anglin <dave@hiauly1.hia.nrc.ca>
3010 * pa.h (RETURN_IN_MEMORY): Improve comment.
3012 2001-08-20 Janis Johnson <janis187@us.ibm.com>
3014 * doc/invoke.texi (Profiling options): Clarify the interactions
3015 between -fprofile-arcs and -ftest-coverage, -fprofile-arcs.
3017 2001-08-20 Jeffrey Oldham <oldham@codesourcery.com>
3019 * crtstuff.c (__do_global_ctors): Fix typo in preprocessing
3022 2001-08-20 Matt Kraai <kraai@alumni.carnegiemellon.edu>
3024 * gcc.c (make_relative_prefix): Allocate a sufficiently large
3027 2001-08-20 Richard Henderson <rth@redhat.com>
3029 * final.c (end_final): Fix typo last change.
3031 2001-08-20 Neil Booth <neil@daikokuya.demon.co.uk>
3033 * cppinit.c (init_standard_includes): The returned buffer
3034 is already malloc-ed.
3035 * gcc.c (add_prefix): Similarly.
3036 * prefix.c (translate_name): Update to support clear buffer
3038 (update_path): Similarly. Be sure to free any newly allocated
3039 key. UPDATE_PATH_HOST_CANONICALIZE takes only one argument.
3041 * prefix.h (update_path): Update prototype and document.
3042 * config/i386/xm-djgpp.h (UPDATE_PATH_HOST_CANONICALIZE): Clean
3043 up and update to new buffer ownership rules.
3044 * doc/gcc.texi (UPDATE_PATH_HOST_CANONICALIZE): Update.
3046 Mon Aug 20 01:44:50 CEST 2001 Jan Hubicka <jh@suse.cz>
3048 * final.c (compute_alignments): New function.
3049 (init_insn_lengths): Do not care label_align.
3050 (LABEL_ALIGN_AFTER_BARRIER): Default to 1.
3051 (LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Default to 0.
3052 (JUMP_ALIGN, JUMP_ALIGN_MAX_SKIP): New.
3053 (shorted_branches): Realloc label_align array; do
3054 not call init_insn_lengths; Do not care about loop alignments.
3055 * output.h (compute_alignments): Declare.
3056 * toplev.c (rest_of_compilation): Call compute_alignments.
3057 * tm.texi (JUMP_ALIGN, JUMP_ALIGN_MAX_SKIP): Document.
3059 * predict.c (block_info_def): Add npredecesors, remove nvisited;
3060 change visited to tovisit.
3061 (propagate_freq): Use faster traversing algorithm.
3062 (estimate_loops_at_level, estimate_bb_frequencies): Change visited
3063 to tovisit; reverse meaning.
3065 * predict.c (struct block_info_def): Remove nvisited.
3066 (propagate_freq): Use EDGE_DFS_BACK to detect irreducible regions.
3067 (estimate_bb_frequencies): Call mark_dfs_back_edges.
3069 2001-08-19 Geoffrey Keating <geoffk@redhat.com>
3071 * doc/invoke.texi (MIPS Options): Document -mfused-madd.
3072 * config/mips/mips.h (MASK_NO_FUSED_MADD): New.
3073 (TARGET_FUSED_MADD): New.
3074 (TARGET_SWITCHES): Add -mfused-madd, -mno-fused-madd.
3075 * config/mips/mips.md: Add TARGET_FUSED_MADD as condition to
3076 the multiply-add instructions.
3078 2001-08-19 Richard Henderson <rth@redhat.com>
3080 * dwarf2asm.c (dw2_output_indirect_constant_1): The symbol ref
3081 is aligned to pointer size.
3083 2001-08-19 Richard Henderson <rth@redhat.com>
3085 * config/ia64/ia64.c (ia64_cycle_display): Only emit cycle
3086 display markers during final schedule.
3088 2001-08-19 Richard Henderson <rth@redhat.com>
3090 * function.c (gen_mem_addressof): Don't call get_alias_set if no decl.
3092 2001-08-19 Richard Henderson <rth@redhat.com>
3094 * config/ia64/ia64.h (STRIP_NAME_ENCODING): Handle @ and *
3096 (ASM_NAME_TO_STRING): Remove.
3097 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Handle @ and *
3098 in the same string. Remove support for expressions.
3100 2001-08-19 Richard Henderson <rth@redhat.com>
3102 * config/i386/i386.md (tablejump): Make an expander; handle
3103 pic relative addressing here.
3104 (tablejump_1): Rename from tablejump_pic.
3107 2001-08-19 Richard Henderson <rth@redhat.com>
3109 * regclass.c (fix_register): Fix typo.
3111 2001-08-18 Richard Henderson <rth@redhat.com>
3113 * config/ia64/unwind-ia64.c (UNW_REG_B0): New.
3114 (struct _Unwind_Context): Expand br_loc to hold it.
3115 (uw_frame_state_for): Handle leaf functions better.
3116 (uw_update_reg_address): Update for br_loc change.
3118 2001-08-18 Richard Henderson <rth@redhat.com>
3120 * crtstuff.c: Move list heads before code that uses them.
3121 (__JCR_LIST__): Remove initial null.
3122 (frame_dummy, __frame_dummy): Do java registration here ...
3123 (__do_global_ctors_aux): ... not here.
3125 * config/ia64/crtbegin.asm (dtor_ptr): Make gp-relative.
3126 (__do_global_dtors_aux): Update to match.
3127 (__JCR_LIST__, __do_jv_register_classes): New.
3129 * config/ia64/crtend.asm (__JCR_END__): New.
3130 (__do_global_ctors_aux): Use a GPREL64I reloc to __CTOR_END__
3131 instead of an indirect LTOFF22 reloc.
3133 2001-08-18 Richard Henderson <rth@redhat.com>
3135 * flow.c (mark_regs_live_at_end): Use regs_invalidated_by_call.
3136 * regclass.c (init_reg_sets_1): Fix typo.
3137 * config/ia64/ia64.c (ar_pfs_reg_operand): New.
3138 (ia64_expand_call): Pass ar.pfs to sibcall expanders.
3139 (ia64_compute_frame_size): Make ar.unat live when in use.
3140 (ia64_epilogue_uses): Reformat; do not check current_function_is_leaf
3141 for ar.pfs; remove ar.unat handling.
3142 * config/ia64/ia64.h (CALL_REALLY_USED_REGISTERS): ar.unat is
3144 (PREDICATE_CODES): Add ar_pfs_reg_operand.
3145 * config/ia64/ia64-protos.h: Update decls.
3146 * config/ia64/ia64.md (sibcall_nopic): Use ar.pfs.
3147 (sibcall_pic): Likewise.
3149 2001-08-18 Richard Henderson <rth@redhat.com>
3151 * config/ia64/ia64.c (ia64_sched_reorder2): Also skip past
3152 pred_rel_mutex when searching for insn_group_barrier.
3153 * config/ia64/ia64.md (cycle_display): Combine the expander
3156 * config/ia64/ia64.c (ia64_internal_sched_reorder): Emit stop
3157 bit before asm as needed.
3159 2001-08-18 Richard Henderson <rth@redhat.com>
3161 * timevar.def (TV_MACH_DEP): New.
3162 * toplev.c (rest_of_compilation): Use it.
3163 * config/ia64/ia64.c (ia64_reorg): Push to TV_SCHED2.
3165 2001-08-18 Zack Weinberg <zackw@panix.com>
3167 * unwind-dw2.c (execute_stack_op): Add default aborts to
3168 the inner switches to prevent warnings.
3170 2001-08-18 Richard Henderson <rth@redhat.com>
3172 * timevar.h (struct timevar_time_def): Change element type to float.
3173 (ticks_to_msec, clocks_to_msec): Likewise.
3174 (TICKS_TO_MSEC, CLOCKS_TO_MSEC): Rescale to seconds; use type float.
3175 (get_time): Likewise.
3176 (timevar_print): Adjust zero check and printing to match.
3178 2001-08-18 Zack Weinberg <zackw@panix.com>
3180 * doc/extend.texi, doc/gcc.texi, doc/install-old.texi,
3181 doc/invoke.texi, doc/md.texi, doc/rtl.texi, doc/include/gpl.texi:
3182 Eliminate overfull or underfull hboxes.
3184 2001-08-18 Zack Weinberg <zackw@panix.com>
3186 * cpperror.c: Use VA_OPEN/VA_CLOSE/VA_FIXEDARG throughout.
3188 2001-08-18 Zack Weinberg <zackw@panix.com>
3190 * haifa-sched.c: Convert to target hooks. Macros replaced
3191 are ISSUE_RATE, ADJUST_COST, ADJUST_PRIORITY, MD_SCHED_INIT,
3192 MD_SCHED_REORDER, MD_SCHED_REORDER2, MD_SCHED_VARIABLE_ISSUE,
3193 MD_SCHED_FINISH, and HAVE_cycle_display.
3194 * target-def.h (TARGET_SCHED_ADJUST_COST,
3195 TARGET_SCHED_ADJUST_PRIORITY, TARGET_SCHED_ISSUE_RATE,
3196 TARGET_SCHED_VARIABLE_ISSUE, TARGET_SCHED_INIT,
3197 TARGET_SCHED_FINISH, TARGET_SCHED_REORDER,
3198 TARGET_SCHED_REORDER2, TARGET_SCHED_CYCLE_DISPLAY):
3199 New hook #defines to be overridden.
3200 (TARGET_SCHED): Bring them all together.
3201 (TARGET_INITIALIZER): Update.
3202 * target.h: Don't forward declare struct rtx_def. Use 'rtx'
3203 instead of 'struct rtx_def *' throughout.
3204 (struct sched): New set of hooks for the scheduler.
3205 * Makefile.in (haifa-sched.o): Depend on target.h.
3206 * doc/tm.texi: Document the new scheduler hooks, together in
3207 their own section, instead of scattered around.
3208 Fix a bunch of underfull/overfull hboxes.
3210 * a29k.h, alpha.h, arm.h, c4x.h, convex.h, d30v.h, i386.h,
3211 ia64.h, m32r.h, m88k.h, mips.h, pa.h, rs6000.h, s390.h, sh.h,
3212 sparc.h: Don't define any of the old scheduler macros.
3214 * a29k.c, alpha.c, arm.c, c4x.c, convex.c, d30v.c, i386.c,
3215 ia64.c, m32r.c, m88k.c, mips.c, pa.c, rs6000.c, s390.c, sh.c,
3216 sparc.c: Create hook functions from code extracted from
3217 corresponding target header, or make existing hooks static, as
3218 appropriate. Set the appropriate entries in targetm.
3220 * alpha-protos.h, arm-protos.h, c4x-protos.h, d30v-protos.h,
3221 i386-protos.h, ia64-protos.h, m32r-protos.h, pa-protos.h,
3222 rs6000-protos.h, s390-protos.h, sparc-protos.h:
3223 Remove prototypes for functions which are now static.
3225 * d30v.h, d30v.c, m32r.h, m32r.c: Remove #ifdef HAIFA and
3226 related gunk; the Haifa scheduler is now the only choice.
3228 2001-08-18 Zack Weinberg <zackw@panix.com>
3230 * optabs.h (OTI_flodiv, flodiv_optab): Kill.
3231 * genopinit.c: Put floating point divide insns in sdiv_optab.
3232 * expr.c (expand_expr): Use sdiv_optab, not flodiv_optab.
3233 * config/gofast.h, config/c4x/c4x.h,
3234 config/ia64/hpux_longdouble.h, config/mips/mips.h,
3235 config/pa/long_double.h, config/rs6000/sysv4.h,
3236 config/sparc/sparc.h: Put floating point divide libcalls in sdiv_optab.
3237 * optabs.c (init_optab): Break into new_optab, init_optab, init_optabv.
3238 (init_optabs): Use init_optabv for overflow-trapping optabs.
3239 Don't init flodiv_optab. Give mov_optab, movstrict_optab, and
3240 cmp_optab RTX codes so have_insn_for can find them.
3242 * optabs.c (expand_simple_binop, expand_simple_unop,
3243 have_insn_for, gen_sub3_insn): New interfaces.
3244 * expr.h: Prototype new functions.
3245 (enum optab_methods): Move here from optabs.h.
3247 * builtins.c, combine.c, doloop.c, function.c, ifcvt.c,
3248 loop.c, profile.c, simplify-rtx.c, stmt.c, unroll.c:
3249 Use new functions instead of working directly with optabs.
3250 * doloop.c, ifcvt.c, loop.c, profile.c, simplify-rtx.c,
3251 unroll.c: Don't include optabs.h.
3252 * caller-save.c, combine.c, function.c, stmt.c: Just include
3253 insn-codes.h, not optabs.h.
3254 * Makefile.in: Update dependencies.
3256 * combine.c (make_compound_operation, simplify_comparison):
3257 Fix typos testing for this or that instruction.
3259 2001-08-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3261 * mklibgcc.in: Prefer LIB1ASMFUNCS over LIB2_DIVMOD_FUNCS when
3262 generating libgcc.a.
3264 2001-08-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3266 * except.c (TYPE_HASH): Delete.
3268 * objc/objc-act.c (HASHFUNCTION): Cast to size_t, not
3271 * tree.c (TYPE_HASH): Delete.
3273 * tree.h (TYPE_HASH): Define.
3275 2001-08-18 Graham Stott <grahams@redhat.com>
3277 * config/mips/mips.md (adddi3_internal_2+1): Remove contraints from
3279 (adddi3_internal_2+2): Likewise.
3280 (eh_set_lr_di+1): Likewise.
3282 2001-08-17 Richard Henderson <rth@redhat.com>
3284 * defaults.h (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
3285 UNALIGNED_DOUBLE_INT_ASM_OP, ASM_BYTE_OP): Move from ...
3286 * dwarf2asm.c: ... here.
3287 * dwarfout.c: Remove them.
3289 * varasm.c (assemble_integer): Add align parameter.
3290 (assemble_real, output_constant, output_constructor): Likewise.
3291 * output.h: Update decls.
3292 * dwarf2asm.c, final.c, varasm.c, config/darwin.c, config/nextstep.c,
3293 config/alpha/alpha.c, config/arm/arm.md, config/clipper/clipper.c,
3294 config/m88k/m88k.c, config/mcore/mcore.md, config/mips/mips.h,
3295 config/mips/mips.md, config/pa/pa.c, config/rs6000/rs6000.c,
3296 config/rs6000/rs6000.h, config/s390/s390.h, config/sh/sh.md:
3299 * final.c (end_final): Abort profile block generation if we
3300 havn't layed it out properly.
3301 * output.h (assemble_eh_integer): Remove stale decl.
3302 * varasm.c (assemble_zeros): Tidy; use assemble_integer.
3304 (assemble_integer): Handle unaligned data.
3305 (assemble_real): Abort on unaligned data.
3306 (output_constructor): Don't assume ASM_OUTPUT_ALIGN 0 does
3308 (default_dtor_section_asm_out_destructor): Use assemble_align.
3309 (default_named_section_asm_out_constructor): Likewise.
3310 (default_ctor_section_asm_out_constructor): Likewise.
3311 * config/darwin.c (machopic_asm_out_constructor): Likewise.
3312 (machopic_asm_out_destructor): Likewise.
3313 * config/nextstep.c (nextstep_asm_out_constructor): Likewise.
3314 (nextstep_asm_out_destructor): Likewise.
3315 * config/alpha/alpha.c (vms_asm_out_constructor): Likewise.
3316 (vms_asm_out_destructor): Likewise.
3318 2001-08-17 Richard Henderson <rth@redhat.com>
3320 * config/mips/iris6.h (TARGET_IRIX6): New.
3321 (current_section_name, current_section_flags): New.
3322 (ASM_OUTPUT_ALIGN, ASM_FILE_START, ASM_FILE_END): New.
3323 (MAX_OFILE_ALIGNMENT): New.
3324 (ASM_OUTPUT_ALIGNED_LOCAL): Use bss_section.
3325 * config/mips/mips.c (mips_make_temp_file, temp_filename): Remove.
3326 (copy_file_data): Split out from
3327 (mips_asm_file_end): ... here.
3328 (mips_asm_file_start): Remove extra .section directive. Use
3329 tmpfile instead of mips_make_temp_file.
3330 (mips_unique_section): Use const char * as needed for warnings.
3331 (iris6_asm_named_section_1): Renamed from iris6_asm_named_section;
3332 re-add align parameter.
3333 (iris6_asm_named_section): New.
3334 (iris_section_align_entry_eq, iris_section_align_entry_hash): New.
3335 (iris6_asm_output_align, iris6_section_align_1): New.
3336 (iris6_asm_file_start, iris6_asm_file_end): New.
3337 * config/mips/mips-protos.h: Update decls.
3339 2001-08-17 Janis Johnson <janis187@us.ibm.com>
3341 * doc/install.texi (Install GCC): Add links to build status pages.
3343 (Final install): Ditto; request updates for specific info
3345 2001-08-17 Neil Booth <neil@daikokuya.demon.co.uk>
3347 * cpperror.c (print_location): Don't take a file name; use the
3349 (_cpp_begin_message): Similarly.
3350 (cpp_ice, cpp_fatal, cpp_error, cpp_error_with_line, cpp_warning,
3351 cpp_warning_with_line, cpp_pedwarn, cpp_pedwarn_with_line): Update.
3352 (cpp_pedwarn_with_file_and_line): Remove.
3353 * cppfiles.c (stack_include_file): Update; set filename to stdin
3354 here when appropriate.
3355 * cpphash.h (struct cpp_buffer): Remove nominal_fname.
3356 (_cpp_begin_message): Don't take a file name.
3357 * cppinit.c: Add comment.
3358 * cpplex.c: Fix end-of-directive indicator.
3359 * cpplib.c: Don't include intl.h.
3360 (run_directive, do_diagnostic): Update.
3361 (do_line): Update to not use nominal_fname.
3362 (cpp_push_buffer): Don't take a filename.
3363 * cpplib.h (struct ht): Remove.
3364 (cpp_push_buffer): Don't take a filename.
3365 (cpp_pedwarn_with_file_and_line): Remove.
3366 * cppmacro.c (struct cpp_macro): Remove file.
3367 (builtin_macro): Update.
3368 (_cpp_create_definition): Update.
3369 * cppmain.c: Correct comment.
3370 * fix-header.c (read_scan_file): Update.
3372 2001-08-17 Kazu Hirata <kazu@hxi.com>
3374 * sbitmap.c: Fix comment formatting.
3375 * sched-deps.c: Likewise.
3376 * sibcall.c: Likewise.
3377 * simplify-rtx.c: Likewise.
3379 * ssa-ccp.c: Likewise.
3380 * stor-layout.c: Likewise.
3381 * timevar.c: Likewise.
3382 * toplev.c: Likewise.
3383 * unwind-dw2.c: Likewise.
3384 * unwind-dw2-fde.c: Likewise.
3385 * varasm.c: Likewise.
3387 2001-08-17 John David Anglin <dave@hiauly1.hia.nrc.ca>
3389 * pa.h (RETURN_IN_MEMORY): Return types with a size that is varable
3390 or larger than an integer in memory.
3392 2001-08-17 Zack Weinberg <zackw@panix.com>
3394 * system.h: Forward-declare struct rtx_def, struct rtvec_def,
3395 and union tree_node. Typedef rtx, rtvec, and tree. Fix comment.
3396 * rtl.h: Don't forward-declare union tree_node here. Don't
3397 typedef rtx or rtvec here. Change all uses of struct rtx_def *,
3398 struct rtvec_def *, or union tree_node * to use rtx, rtvec,
3399 and tree respectively.
3400 * tree.h: Don't forward-declare struct rtx_def here. Don't
3401 typedef tree here. Change all uses of struct rtx_def *,
3402 struct rtvec_def *, or union tree_node * to use rtx, rtvec,
3403 and tree respectively.
3405 2001-08-17 Richard Henderson <rth@redhat.com>
3407 * config/mips/elf.h, config/mips/elf64.h, config/mips/netbsd.h,
3408 config/mips/openbsd.h: Fix typos last change.
3410 2001-08-17 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3412 * doc/invoke.texi (Optimize Options): The default for
3413 -finline-limit is 600.
3415 2001-08-17 Richard Henderson <rth@redhat.com>
3417 * varasm.c (text_section): Allow TEXT_SECTION to override the
3418 printing of TEXT_SECTION_ASM_OP.
3419 * dwarf2out.c (TEXT_SECTION_NAME): Rename from TEXT_SECTION.
3420 (DATA_SECTION, BSS_SECTION): Remove.
3421 * dwarfout.c (TEXT_SECTION_NAME, DATA_SECTION_NAME, DATA1_SECTION_NAME,
3422 RODATA_SECTION_NAME, RODATA1_SECTION_NAME, BSS_SECTION_NAME):
3423 Rename from s/_NAME//.
3424 * config/mips/mips.h (TARGET_FILE_SWITCHING): Add !TARGET_MIPS16.
3425 (ASM_DECLARE_FUNCTION_NAME): Move file switching ...
3426 (TEXT_SECTION): ... here. New.
3427 * config/mips/elf.h (TEXT_SECTION): New; no file switching.
3428 * config/mips/elf64.h, config/mips/netbsd.h: Likewise.
3429 * config/mips/openbsd.h: Likewise.
3430 * config/mips/mips.c (mips_asm_file_start): Tidy file switching test.
3431 (mips_asm_file_end): Likewise test.
3432 (mips_output_function_epilogue): Likewise. Switch back to data
3433 section after emitting the function.
3435 * doc/tm.texi (Sections): Document TEXT_SECTION.
3437 2001-08-17 Richard Henderson <rth@redhat.com>
3439 * dwarf2out.c (dwarf2out_init): Don't emit .debug_loc label here.
3440 (dwarf2out_finish): Do it here. Emit .debug_loc before .debug_info.
3442 2001-08-17 Richard Henderson <rth@redhat.com>
3444 * varasm.c (assemble_variable): Don't overalign if DECL_USER_ALIGN.
3445 * crtstuff.c (__CTOR_LIST__, __DTOR_LIST__, __EH_FRAME_BEGIN__,
3446 __JCR_LIST__, __CTOR_END__, __DTOR_END__, __FRAME_END__,__JCR_END__):
3447 Add aligned attribute.
3449 2001-08-17 Andrew Haley <aph@cambridge.redhat.com>
3451 * config/sh/sh.md: Add modes to unspecs in first insn to match
3452 those in the second.
3454 * Makefile.in: Fix collect2 copy for Cygwin.
3456 Fri Aug 17 15:48:57 CEST 2001 Jan Hubicka <jh@suse.cz>
3458 Install the proper patch.
3459 * function.c (put_var_into_stack): Temporarily clear DECL_RTL.
3460 (assign_params): Avoid setting DECL_RTL to unfinished RTX.
3461 (expand_function_start): Likewise.
3462 * stmt.c (expand_decl): Likewise.
3463 * varasm.c (make_decl_rtx): Likewise.
3465 Fri Aug 17 15:41:35 CEST 2001 Jan Hubicka <jh@suse.cz>
3467 * final.c: Undo my previous accidental checkin.
3468 * output.h: Likewise.
3469 * tm.texi: Likewise.
3471 2001-08-16 Richard Henderson <rth@redhat.com>
3473 * varasm.c (named_section_flags): Remove align parameter.
3474 * varasm.c, dwarf2out.c: Update all callers.
3475 * output.h: Update prototypes.
3477 * target.h (target.asm_out.named_section): Remove align parameter.
3478 * varasm.c, config/a29k/a29k.c, config/alpha/alpha.c,
3479 config/arm/arm.c, config/c4x/c4x.c, config/h8300/h8300.c,
3480 config/i386/i386.c, config/i386/winnt.c, config/m68k/m68k.c,
3481 config/mcore/mcore.c, config/mips/mips.c, config/rs6000/rs6000.c,
3482 config/sh/sh.c, config/sparc/sparc.c: Update implementations to match.
3484 * varasm.c (in_named_entry_eq, in_named_entry_hash): New.
3485 (get_named_section_flags, set_named_section_flags): New.
3486 (named_section_flags): Use them.
3487 (named_section): Do decl vs section flags check here...
3488 (default_section_type_flags): ... not here.
3489 (init_varasm_once): Create in_named_htab.
3490 (resolve_unique_section): Mark reloc unused.
3492 2001-08-16 Richard Henderson <rth@redhat.com>
3494 * varasm.c (force_const_mem): Keep pool alignment in bits.
3495 (output_constant_pool): Use assemble_align.
3497 2001-08-16 Zack Weinberg <zackw@panix.com>
3499 * doc/tm.texi: Remove extra @table command.
3501 2001-08-16 Zack Weinberg <zackw@panix.com>
3503 * final.c (shorten_branches): Clear the end of the label_align
3504 array only if we made it larger. Break up messy expressions
3507 * diagnostic.c (internal_error): Check for error recursion
3508 before doing ICE suppression.
3510 * timevar.c: Timing variables now count in milliseconds.
3511 (init_timevar): Set up ticks_to_msec and clocks_to_msec here.
3512 (get_time): Not here.
3513 (timevar_print): Don't print any timer whose user, cpu, and
3514 wall times are all zero as displayed.
3515 * timevar.h: Update comment aboout units. Make timevar
3518 Thu Aug 16 17:39:45 CEST 2001 Jan Hubicka <jh@suse.cz>
3520 * function.c (put_var_into_stack): Temporarily clear DECL_RTL.
3521 (assign_params): Avoid setting DECL_RTL to unfinished RTX.
3522 (expand_function_start): Likewise.
3523 * stmt.c (expand_decl): Likewise.
3524 * varasm.c (make_decl_rtx): Likewise.
3526 2001-08-16 Jason Merrill <jason_merrill@redhat.com>
3528 * stor-layout.c (layout_decl): Don't set DECL_USER_ALIGN.
3529 (finalize_record_size): Don't set TYPE_USER_ALIGN.
3531 2001-08-16 Matt Kraai <kraai@alumni.carnegiemellon.edu>
3533 * config/i386/i386.c (ix86_init_mmx_sse_builtins): Remove unused
3536 2001-08-16 Andreas Jaeger <aj@suse.de>
3538 * config/s390/s390.c: Include "debug.h" for dwarf2out_do_frame
3541 Wed Aug 15 15:22:52 EDT 2001 John Wehle (john@feith.com)
3543 * rtl.h (only_sets_cc0_p): New prototype.
3544 * jump.c (sets_cc0_p): Handle INSN.
3545 (only_sets_cc0_p): New function.
3546 * flow.c (merge_blocks_nomove): Use only_sets_cc0_p.
3547 (tidy_fallthru_edge): Likewise.
3548 * integrate.c (copy_insn_list): Likewise.
3549 * unroll.c (unroll_loop): Likewise.
3550 (copy_loop_body): Likewise.
3552 2001-08-15 Jason Eckhardt <jle@redhat.com>
3554 * config/i960/i960.md (trap): Change "faulteq.t" to "faulte.t".
3556 Wed Aug 15 14:24:22 CEST 2001 Jan Hubicka <jh@suse.cz>
3558 * predict.c (struct block_info_def): Remove nvisited.
3559 (propagate_freq): Use EDGE_DFS_BACK to detect irreducible regions.
3560 (estimate_bb_frequencies): Call mark_dfs_back_edges.
3562 * i386.c (ix86_agi_depdendant): Lea causes AGI only on the Pentium
3563 (ix86_adjust_cost): Teach scheduler that latency to load operand can
3566 Wed Aug 15 12:41:32 CEST 2001 Jan Hubicka <jh@suse.cz>
3568 * predict.def: Update hitrates.
3570 2001-08-15 Richard Henderson <rth@redhat.com>
3572 * except.c (TYPE_HASH): Cast to size_t, not HOST_WIDE_INT.
3574 Tue Aug 14 17:30:59 2001 Jeffrey A Law (law@cygnus.com)
3576 * flow.c (commit_one_edge_insertion): Don't separate a LOOP_BEG
3577 note from its associated jump.
3579 2001-08-14 Ulrich Weigand <uweigand@de.ibm.com>
3581 * config/s390/linux64.h (CPP_PREDEFINES): Define __s390__
3582 also on 64-bit s390x targets.
3584 2001-08-14 Nick Clifton <nickc@cambridge.redhat.com>
3586 * config/arm/arm.c (arm_compute_initial_elimination_offset): New
3588 (arm_expand_prologue): Handled nested functions which take a
3589 variable argument list.
3590 * config/arm/arm.h (ARM_INITIAL_ELIMINATION_OFFSET): Replace
3591 macro with an invocation of
3592 arm_compute_initial_elimination_offset.
3593 * config/arm/arm-protos.h: Prototype
3594 arm_compute_initial_elimination_offset.
3596 2001-08-14 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3598 * doc/install.texi (Specific, avr): Fix markup.
3599 (Specific, c4x): Ditto.
3601 2001-08-14 Matt Kraai <kraai@alumni.carnegiemellon.edu>
3603 * predict.c (dump_prediction): Change `bool' parameter to `int'.
3605 2001-08-14 Gabriel Dos Reis <gdr@codesourcery.com>
3607 * Makefile.in (OBJS): Add rtl-error.o
3608 (rtl-error.o): New rule.
3609 (diagnostic.o): Adjust dependency.
3610 diagnostic.c (file_and_line_for_asm, diagnostic_for_asm,
3611 error_for_asm, _fatal_insn, _fatal_insn_not_found,
3612 warning_for_asm): Move to...
3613 rtl-error.c: ...here. New file.
3615 2001-08-14 Richard Henderson <rth@redhat.com>
3617 * dwarf2out.c (dwarf2out_frame_finish): Never emit .eh_frame
3618 if USING_SJLJ_EXCEPTIONS.
3620 2001-08-14 Steve Ellcey <sje@cup.hp.com>
3622 * tlink.c (scan_linker_output): Check string for unsatisfied in
3623 addition to undefined and unresolved.
3625 2001-08-14 Graham Stott <grahams@redhat.com>
3627 * libgcc2.c (*): Replace EH_FRAME_SECTION with
3628 EH_FRAME_SECTION_NAME.
3630 Tue Aug 14 14:57:07 CEST 2001 Jan Hubicka <jh@suse.cz>
3632 * genattrtab.c (simplify_test_exp_in_temp): New function.
3633 (simplify_test_exp): Avoid explicit use of temporary obstack.
3634 (simplify_cond, insert_right_side, evaluate_eq_attr,
3635 simplify_and_tree, simplify_or_tree, eliminate_known_true):
3636 Use simplify_test_exp_in_temp.
3637 (optimize_attrs): Iterate until expression stabilizes.
3639 2001-08-13 Ulrich Weigand <uweigand@de.ibm.com>:
3641 * glimits.h: Remove the __LONG_MAX__ special case for s390x.
3642 * config/s390/linux64.h: Define __LONG_MAX__ in CPP_PREDEFINES.
3644 2001-08-13 Richard Henderson <rth@redhat.com>
3646 * config/arm/unknown-elf.h (CTOR_LIST_BEGIN, CTOR_LIST_END): Remove.
3647 (DTOR_LIST_BEGIN, DTOR_LIST_END): Remove.
3648 * config/arm/conix-elf.h: Likewise.
3650 2001-08-13 Geoffrey Keating <geoffk@redhat.com>
3652 * config/svr4.h (LINK_SPEC): Don't do -Wl, here, it is done
3654 * config/rs6000/sysv4.h (LINK_SPEC): Likewise.
3656 * gcse.c (hash_scan_set): Expressions that are set as part of
3657 jump instructions are not available.
3659 2001-08-13 Ulrich Weigand <uweigand@de.ibm.com>
3661 * config/s390/s390.c (print_operand, s390_function_prologue,
3662 s390_va_start): Fixed HOST_WIDE_INT type mismatch.
3664 2001-08-13 Richard Henderson <rth@redhat.com>
3666 * config/rs6000/xcoff.h (EH_FRAME_IN_DATA_SECTION): New.
3667 * defaults.h (EH_FRAME_SECTION_NAME): Respect it.
3668 * doc/tm.texi (Exception Region Output): Document it.
3670 2001-08-13 Geoffrey Keating <geoffk@redhat.com>
3672 * config/rs6000/sysv4.h (PREFERRED_DEBUGGING_TYPE): Use
3673 DWARF2 instead of stabs by default.
3675 2001-08-13 David Edelsohn <edelsohn@gnu.org>
3677 * config/rs6000/rs6000.c: Include optabs.h.
3679 2001-08-13 David Edelsohn <edelsohn@gnu.org>
3681 * config/rs6000/eabi.asm: Define 64-bit versions of FPR
3682 save/restore routines.
3683 * ginclude/ppc-asm.h: Define 64-bit FUNC_* macros.
3685 2001-08-13 Andreas Jaeger <aj@suse.de>
3687 * gcc.c (init_spec): Revert last patch by Theodore Papadopoulo,
3688 the english is correct.
3690 2001-08-13 Zack Weinberg <zackw@panix.com>
3692 * expr.h: Split out optab- and libfunc-related code to...
3693 * optabs.h, libfuncs.h: ... these new headers.
3695 * Makefile.in (CONFIG_H, EXPR_H): Take out insn-codes.h.
3697 (various .o rules): Add $(OPTABS_H) and/or libfuncs.h to
3699 * mkconfig.sh: Don't include insn-codes.h from config.h.
3701 * reload.h: Use #ifdef GCC_INSN_CODES_H to decide whether
3702 enum insn_code is available. Move reload_in_optab and
3703 reload_out_optab array declarations to optabs.h.
3704 * regmove.c (gen_add3_insn): Move to optabs.c, export from
3705 there, prototype in expr.h.
3706 * gencodes.c: Cleanup: zap global variables, don't use
3707 printf where puts will do, don't bother defining MAX_INSN_CODE
3708 which nothing uses, let CODE_FOR_nothing get its value implicitly.
3710 * genemit.c, genopinit.c: Include optabs.h in generated file.
3711 * genoutput.c: Include insn-codes.h in generated file.
3712 * builtins.c, caller-save.c, combine.c, doloop.c, explow.c,
3713 expmed.c, expr.c, function.c, ifcvt.c, loop.c, optabs.c, profile.c,
3714 reload1.c, simplify-rtx.c, stmt.c, unroll.c, config/alpha/alpha.c,
3715 config/arm/arm.c, config/c4x/c4x.c, config/clipper/clipper.c,
3716 config/i386/i386.c, config/ia64/ia64.c, config/mn10300/mn10300.c,
3717 config/pj/pj.c, config/sh/sh.c, config/sparc/sparc.c:
3719 * builtins.c, calls.c, dwarf2out.c, except.c, expr.c, function.c,
3720 optabs.c, stmt.c, config/c4x/c4x.c, config/clipper/clipper.c,
3721 config/m88k/m88k.c, config/sparc/sparc.c:
3723 * reload.c: Include expr.h and optabs.h before reload.h.
3724 * config/alpha/alpha.c: Include tree.h before reload.h.
3725 * config/pa/pa.c: Include expr.h, optabs.h, libfuncs.h,
3726 and reload.h in that order.
3727 * config/sparc/sparc.c: Include debug.h.
3728 * recog.c: Include insn-codes.h.
3730 2001-08-13 Andreas Jaeger <aj@suse.de>
3732 * config.gcc: Use t-slibgcc-elf to build shared libgcc_s on
3735 2000-08-13 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
3737 * dwarf2out.c (output_cfa_loc): Fix typo in comment.
3738 * gcc.c (init_spec): Fix typo in comment.
3739 * varasm.c (data_section): Fix typo in comment.
3741 Mon Aug 13 02:27:39 CEST 2001 Jan Hubicka <jh@suse.cz>
3743 * predict.c (dump_prediction): New argument "USED".
3744 (combine_predictions_for_insn): Determine the used heuristics,
3745 output the case no heuristic applied.
3746 * predict.def (PRED_DS_THEORY, PRED_NO_HEURISTIC): New.
3748 2001-08-13 Andreas Jaeger <aj@suse.de>
3750 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Don't capitalize
3753 2001-08-13 Kazu Hirata <kazu@hxi.com>
3755 * jump.c: Fix formatting.
3757 2001-08-13 Kazu Hirata <kazu@hxi.com>
3759 * config/h8300/h8300.md (zero_extendqihi2): Correct the insn
3762 2001-08-12 Geoffrey Keating <geoffk@redhat.com>
3764 * loop.c (check_dbra_loop): Use condjump_label to compute
3767 * rtl.h: Move prototypes of rtx_alloc and rtvec_alloc around
3768 to better document the files they're in.
3770 2001-08-12 Zack Weinberg <zackw@panix.com>
3772 * recog.h (struct insn_operand_data): Shrink 'mode' field
3775 2001-08-12 Kazu Hirata <kazu@hxi.com>
3777 * gcc.c: Fix comment formatting.
3778 * gccspec.c: Likewise.
3781 * genemit.c: Likewise.
3782 * gengenrtl.c: Likewise.
3783 * genrecog.c: Likewise.
3784 * gensupport.c: Likewise.
3785 * ggc-page.c: Likewise.
3786 * global.c: Likewise.
3787 * graph.c: Likewise.
3788 * ifcvt.c: Likewise.
3789 * integrate.c: Likewise.
3791 * libgcc2.c: Likewise.
3793 * mbchar.c: Likewise.
3794 * optabs.c: Likewise.
3795 * predict.c: Likewise.
3796 * prefix.c: Likewise.
3797 * profile.c: Likewise.
3798 * protoize.c: Likewise.
3800 * recog.c: Likewise.
3801 * regclass.c: Likewise.
3802 * regmove.c: Likewise.
3803 * reg-stack.c: Likewise.
3804 * reload1.c: Likewise.
3805 * resource.c: Likewise.
3806 * rtlanal.c: Likewise.
3809 2001-08-12 Kazu Hirata <kazu@hxi.com>
3811 * doc/tm.texi (ENCODE_SECTION_INFO): Add documentation on how
3812 a tree representing a constant is passed to the macro.
3814 2001-08-12 Richard Henderson <rth@redhat.com>
3816 * config/rs6000/rs6000.c (rs6000_elf_asm_out_constructor): New.
3817 (rs6000_elf_asm_out_destructor): New.
3818 * config/rs6000/sysv4.h (CTORS_SECTION_ASM_OP): Remove.
3819 (DTORS_SECTION_ASM_OP): Remove.
3820 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
3821 (ASM_OUTPUT_INT): Don't hack TARGET_RELOCATABLE for constructors.
3823 2001-08-12 David Edelsohn <edelsohn@gnu.org>
3826 2001-08-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3827 * gcc.c (set_collect_gcc_options): New function, split out from
3829 Ignore elided switches.
3830 (do_spec_1): Invoke before executing command.
3831 (set_input): Export.
3832 Move declaration ...
3833 * gcc.h (set_input): ... here.
3834 * config/alpha/osf.h (ASM_FINAL_SPEC): Use %U.s to refer to input
3837 2001-08-12 Richard Henderson <rth@redhat.com>
3839 * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): Fix
3840 thinko wrt TARGET_RELOCATABLE.
3842 2001-08-12 Neil Booth <neil@daikokuya.demon.co.uk>
3844 * fix-header.c (cb_file_change): Update prototype.
3846 2001-08-11 Zack Weinberg <zackw@panix.com>
3848 * toplev.c (set_float_handler): Make static.
3849 * toplev.h: Don't prototype set_float_handler.
3851 * simplify-rtx.c: Don't include setjmp.h.
3852 (simplify_unary_real, simplify_binary_real, simplify_binary_is2orm1):
3854 (simplify_unary_operation, simplify_binary_operation): Use them,
3855 via do_float_handler.
3857 * fold-const.c: Don't include setjmp.h.
3858 (exact_real_inverse_1): New function.
3859 (exact_real_inverse): Use it, via do_float_handler.
3861 * varasm.c: Don't include setjmp.h.
3862 (assemble_real_1): New function.
3863 (assemble_real): Use it, via do_float_handler.
3864 Call internal_error if we get a trap here.
3866 * c-parse.in, cse.c, cselib.c, config/i386/i386.c,
3867 config/pj/pj.c, config/s390/s390.c: Don't include setjmp.h.
3869 2001-08-11 Zack Weinberg <zackw@panix.com>
3871 * defaults.h: Define PREFERRED_STACK_BOUNDARY to
3872 STACK_BOUNDARY if not already defined.
3874 * calls.c, function.c, reload1.c, explow.c: Don't default
3875 PREFERRED_STACK_BOUNDARY. Remove all #if/#ifdef on
3876 PREFERRRED_STACK_BOUNDARY and/or STACK_BOUNDARY.
3878 * explow.c (allocate_dynamic_stack_space): Change unsafe #if
3881 * doc/tm.texi: Document that STACK_BOUNDARY is required;
3882 clarify difference between it and PREFERRED_STACK_BOUNDARY.
3884 2001-08-11 Neil Booth <neil@daikokuya.demon.co.uk>
3886 * cppmacro.c (enter_macro_context): Push macro expansions even
3889 2001-08-11 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3891 * config/rs6000/rs6000.c: Include integrate.h to silence warning.
3892 (rs6000_elf_section_type_flags): Actually return a value.
3894 2001-08-11 Ulrich Weigand <uweigand@de.ibm.com>
3896 * s390.c, s390.h, s390.md, s390-protos.h, linux.h, t-linux:
3897 Clean up code: add missing comments and prototypes, fix warnings,
3898 remove obsolete code, fix spacing to conform to coding style.
3900 2001-08-11 Ulrich Weigand <uweigand@de.ibm.com>
3902 * config/s390/s390.c (targetm): Define TARGET_ASM_OPEN_PAREN
3903 and TARGET_ASM_CLOSE_PAREN.
3904 (regclass_map): CC register belongs to class NO_REGS.
3905 (legitimize_pic_address): Don't generate unnecessary moves
3906 (to avoid confusing loop optimization).
3907 (check_and_change_labels): Replace jump_long by indirect_jump.
3908 (s390_final_chunkify): Don't start a new literal pool on section
3909 switch in 64-bit code.
3910 (s390_va_start, s390_va_arg): Fixed incorrect sizes for 64-bit.
3912 * config/s390/s390.h (TARGET_SWITCHES): Renamed debug_arg to debug.
3913 (MAX_BITS_PER_WORD, MAX_LONG_TYPE_SIZE): Set to 64 (for 64-bit).
3914 (HARD_REGNO_MODE_OK, RETURN_IN_MEMORY): Support complex integer
3916 (reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Remove CC_REGS.
3917 (EH_RETURN_HANDLER_RTX): Fixed incorrect offset for 64-bit.
3918 (CONST_COSTS): Fixed incorrect costs.
3920 * config/s390/s390.md (fixuns_trunc[sd]f[sd]i2, udivsi3, umodsi3):
3921 Use emit_jump instead of emit_jump_insn (gen_jump).
3922 (divsi3, modsi3): Clobber low word of divmoddisi3 before shifting
3923 (to avoid confusing flow analysis).
3924 (tablejump, tablejump1, tablejump2): Removed. Replaced by casesi.
3925 (casesi, casesi_jump): New.
3926 (jump_long): Removed. Functionality merged into indirect_jump.
3927 (indirect_jump): Accept address_operand, not just register_operand.
3928 (cjump_long, icjump_long): Use same logic as indirect_jump.
3929 (builtin_setjmp_setup, builtin_setjmp_receiver, builtin_longjmp):
3930 Fixed broken setjmp/longjmp handling.
3931 (do_builtin_setjmp_setup): Removed.
3933 * config/s390/linux.h (ASM_OUTPUT_DOUBLE_INT): Work around
3934 broken GNU as versions that don't accept .quad with large
3935 negative values. Use hexadecimal output instead.
3936 (ASM_OUTPUT_ADDR_DIFF_ELT): Adapt to new casesi insn.
3937 (ASM_OPEN_PAREN, ASM_CLOSE_PAREN, FUNCTION_PROLOGUE,
3938 FUNCTION_EPILOGUE): Removed. Now in targetm.
3940 * config/s390/linux64.h (CALL_USED_REGISTERS): Add CC register.
3942 * config/s390/fixdfdi.h: Add missing copyright statement.
3943 Fix type conflicts on 64-bit. Add missing SFmode routines.
3945 * s390.c, s390.h, s390.md, linux.h, linux64.h: Fixed incorrect
3948 2001-08-11 Richard Henderson <rth@redhat.com>
3950 * rtl.h (REG_EH_RETHROW): Remove.
3951 * rtl.c (reg_note_name): Update.
3952 * combine.c (distribute_notes): Don't check for it.
3954 2001-08-11 Richard Henderson <rth@redhat.com>
3956 * combine.c (distribute_notes): Place REG_SETJMP.
3958 2001-08-11 Richard Henderson <rth@redhat.com>
3960 * doc/extend.texi (Arrays and pointers implementation): Discourage
3961 relying on sign-extension of pointers.
3963 2001-08-11 H.J. Lu <hjl@gnu.org>
3965 * config/mips/linux.h (EXTRA_SECTIONS): Remove in_ctors and
3967 (EXTRA_SECTION_FUNCTIONS): Remove DTORS_SECTION_ASM_OP and
3968 RDATA_SECTION_ASM_OP.
3970 2001-08-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3972 * doc/install.texi (Specific, c4x): Fix cross-reference to the
3973 main manual to work both for info and HTML versions.
3975 2001-08-11 Neil Booth <neil@daikokuya.demon.co.uk>
3976 Matt Kraai <kraai@alumni.carnegiemellon.edu>
3978 * cpphash.c (_cpp_destroy_hashtable): Use ht_destroy.
3979 * cpphash.h (CPP_IN_SYSTEM_HEADER): Fix.
3980 (struct cpp_pool): New member first.
3981 * cppinit.c (append_include_chain): Plug memory leaks.
3982 * cpplib.c (cpp_register_pragma, cpp_register_pragma_space):
3983 Allocate pragma structures from the (aligned) macro pool to
3984 avoid leaking memory.
3985 * cpplex.c (_cpp_init_pool, _cpp_free_pool): Use pool->first
3986 so we don't leak memory.
3987 * hashtable.c (ht_destroy): New.
3988 * hashtable.h (ht_destroy): New.
3990 2001-08-11 Neil Booth <neil@daikokuya.demon.co.uk>
3991 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3993 * c-lex.c (map): Make const.
3994 (cb_file_change): Update for callback passing a line map.
3995 Don't assume we have a previous map. Remove sanity check
3996 about popping too many files.
3997 * cpperror.c (print_location): Make map const.
3998 * cppfiles.c (stack_include_file): Update; line maps now hold sysp.
3999 (cpp_make_system_header): Similarly.
4000 (search_from): Similarly.
4001 (_cpp_execute_include): Don't remember where we came from.
4002 * cpphash.h (struct cpp_buffer): Remove return_to_line, sysp.
4003 (struct cpp_reader): Make map const.
4004 (CPP_IN_SYSTEM_HEADER, _cpp_do_file_change): Update.
4005 * cpplib.c (do_line): Update; line maps now hold sysp.
4006 (cpp_push_buffer): Similarly.
4007 (_cpp_do_file_change): Similarly; callback with map instead.
4008 (cpp_get_line_maps): Constify return value.
4009 (_cpp_pop_buffer): Update.
4010 * cpplib.h (struct cpp_file_change): Remove.
4011 (struct cpp_callbacks): Update.
4012 (cpp_get_line_maps): Constify return value.
4013 * cppmacro.c (_cpp_create_definition): Update.
4014 * cppmain.c (struct printer): Constify map.
4015 (maybe_print_line): Similarly.
4016 (print_line): Similarly. Deduce flags 1 and 2 here.
4017 (cb_file_change): Update.
4018 * line-map.c (free_line_maps): Warn regardless.
4019 (add_line_map): Return pointer to const. When passed NULL to_file
4020 with LC_LEAVE, use the obvious values for the return point so the
4021 caller doesn't have to figure them out.
4022 (lookup_line): Return pointer to const.
4023 (print_containing_files): Take pointer to const.
4024 * line-map.h (struct line_map): New members reason, sysp.
4025 (add_line_map): Return pointer to const.
4026 (lookup_line): Similarly.
4027 (print_containing_files): Take pointer to const.
4029 2001-08-10 Roman Zippel <zippel@linux-m68k.org>
4030 Richard Henderson <rth@redhat.com>
4032 * regmove.c (regmove_optimize): Avoid setting a register twice in
4035 2001-08-10 Richard Henderson <rth@redhat.com>
4037 * doc/extend.texi (Arrays and pointers implementation): Document
4038 behavior of pointer/integer conversion.
4040 2001-08-10 Ulrich Weigand <uweigand@de.ibm.com>
4042 * glimits.h (__LONG_MAX__): Add s390x as 64-bit architecture.
4044 2001-08-10 Richard Henderson <rth@redhat.com>
4046 * doc/extend.texi (C Implementation): New chapter.
4047 * doc/gcc.texi (Top): Link it in.
4049 2001-08-10 Andrew Cagney <ac131313@redhat.com>
4051 * doc/install.texi (Specific): Fix CVS merge botch.
4053 2001-08-10 Richard Henderson <rth@redhat.com>
4055 * config/m68k/m68k.c (m68k_svr3_asm_out_constructor): Protect with
4056 ifdef CTOR_LIST_BEGIN instead of INIT_SECTION_ASM_OP.
4058 2001-08-10 Zack Weinberg <zackw@stanford.edu>
4060 * calls.c, function.c: Always define PREFERRED_STACK_BOUNDARY
4061 if not already defined. Remove all #ifdefs on STACK_BOUNDARY;
4062 this macro is now required.
4064 * cselib.c (cselib_process_insn), flow.c (propagate_block),
4065 loop.c (find_and_verify_loops), reload.c (reload): Check
4066 for rtx code of CALL_INSN, not CALL, when deciding if we
4067 need to check for REG_SETJMP note.
4069 * gcse.c (compute_hash_table, compute_store_table): Update
4070 the #ifdef NON_SAVING_SETJMP code to the new REG_SETJMP
4073 * config/avr/avr.c: Fix typo.
4074 * config/convex/convex.c (expand_movstr): Use adjust_address.
4075 * config/dsp16xx/dsp16xx.c: Define dsp16xx_compare_gen
4077 * config/dsp16xx/dsp16xx.md: Correct calls to replace_equiv_address.
4078 * config/elxsi/elxsi.c: Include tree.h, expr.h, regs.h, and flags.h.
4080 * config/elxsi/elxsi.h: Don't define Rmode (typo for Pmode?)
4081 Do define STACK_BOUNDARY.
4082 * config/i370/i370.c: Include expr.h.
4083 * config/i860/sysv3.h, config/i860/sysv4.h, config/m32r/m32r.h,
4084 config/pa/som.h, config/v850/v850.h: Take in_ctors and
4085 in_dtors out of EXTRA_SECTIONS; take CTORS_SECTION_FUNCTION
4086 and DTORS_SECTION_FUNCTION out of EXTRA_SECTION_FUNCTIONS.
4087 * config/m88k/m88k.c: Include c-tree.h after expr.h.
4088 * config/pdp11/pdp11.c: Include expr.h and toplev.h.
4089 * config/romp/romp.c: Include expr.h after tree.h.
4091 (output_fpop): Use xmalloc, not oballoc.
4092 * config/we32k/we32k.c: Include expr.h.
4094 2001-08-10 Kazu Hirata <kazu@hxi.com>
4096 * config/h8300/h8300.h: Fix formatting.
4098 2001-08-08 Jason Merrill <jason_merrill@redhat.com>
4100 * c-common.h (RETURN_NULLIFIED_P): Lose.
4101 * c-semantics.c (genrtl_return_stmt): Don't check it.
4103 2001-08-10 Richard Sandiford <rsandifo@redhat.com>
4105 * config/mips/mips.c (mips_add_large_offset_to_sp): New function.
4106 (mips_annotate_frame_insn): New function.
4107 (mips_emit_frame_related_store): New function.
4108 (save_restore_insns): Don't mark instructions that set up the base
4109 registers as frame-related. Add REG_FRAME_RELATED_EXPR notes to
4110 the store instructions instead.
4111 (mips_expand_prologue): If the stack size is moved into a temporary
4112 register, do not mark that move as frame-related. Add a
4113 REG_FRAME_RELATED_EXPR note to the stack adjustment instruction.
4115 2001-08-10 Richard Sandiford <rsandifo@redhat.com>
4117 * config/mips/mips.c (save_restore_insns): Don't mark the RA's
4118 stack slot as unchanging if current_function_calls_eh_return.
4120 2001-08-10 Richard Sandiford <rsandifo@redhat.com>
4122 * config/mips/mips.md (reload_incc): Use HARD_REGNO_NREGS to
4123 access the second half of the TFmode scratch operand.
4125 2001-08-10 Anthony Green <green@redhat.com>
4127 * java/class.c (emit_register_classes): Conditionalize code on
4130 2001-08-10 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4132 * doc/install.texi (Specific, avr): Fix cross-reference to the
4133 main manual to work both for info and HTML versions.
4135 2001-08-09 John David Anglin <dave@hiauly1.hia.nrc.ca>
4137 * stmt.c (expand_null_return_1): Remove code to generate simple returns
4138 and "use_goto" argument.
4139 (expand_null_return, expand_value_return): Update all callers.
4140 * function.c (expand_function_end): Remove code to generate simple
4142 * config/vax/vax.md (epilogue): New expander for function return.
4143 * doc/md.texi (epilogue): Remove "if defined".
4145 2001-08-09 Zack Weinberg <zackw@stanford.edu>
4147 * Makefile.in: Partially revert my previous change:
4148 put -DGENERATOR_FILE back in HOST_CFLAGS, take it out
4149 of the hashtab.o and safe-ctype.o rules.
4151 2001-08-09 Richard Henderson <rth@redhat.com>
4153 * Makefile.in (MAYBE_USE_COLLECT2): Remove; purge all uses.
4154 (USE_COLLECT2): Remove duplicate definition.
4155 * config.gcc (a29k-udi, a29k-wrs-vxworks) [tm_file]: Remove a29k/udi.h.
4156 (use_collect2): Remove dead code.
4157 * configure.in (use_collect2): Remove will_use_collect2 and
4158 maybe_use_collect2; add USE_COLLECT2 to host_xm_defines and xm_defines.
4159 * configure: Rebuild.
4161 * target.h (targetm.asm_out.constructor): New.
4162 (targetm.asm_out.destructor, targetm.have_ctors_dtors): New.
4163 * target-def.h (TARGET_ASM_CONSTRUCTOR): New.
4164 (TARGET_ASM_DESTRUCTOR, TARGET_HAVE_CTORS_DTORS): New.
4165 * varasm.c (in_ctors, in_dtors): New.
4166 (assemble_constructor, assemble_destructor): Remove.
4167 (default_stabs_asm_out_destructor): New.
4168 (default_named_section_asm_out_destructor): New.
4169 (dtors_section, default_dtor_section_asm_out_destructor): New.
4170 (default_stabs_asm_out_constructor): New.
4171 (default_named_section_asm_out_constructor): New.
4172 (ctors_section, default_ctor_section_asm_out_constructor): New.
4173 * output.h: Update declarations.
4174 * c-decl.c (c_expand_body): Use target hooks instead of
4175 assemble_constructor and assemble_destructor.
4176 * profile.c (output_func_start_profiler): Likewise.
4177 * objc/objc-act.c (finish_objc): Likewise.
4178 (build_module_descriptor): Tidy. Set TREE_PUBLIC properly
4179 for the constructor.
4180 * objc/Make-lang.in (objc-act.o): Depend on TARGET_H.
4182 * crtstuff.c (CTORS_SECTION_ASM_OP): Don't define.
4183 (DTORS_SECTION_ASM_OP): Likewise.
4184 (__CTOR_LIST__): Use attribute section when possible.
4185 (__DTOR_LIST__, __CTOR_END__, __DTOR_END__): Likewise.
4187 * defaults.h (EH_FRAME_SECTION_NAME): Don't depend on
4188 ASM_OUTPUT_CONSTRUCTOR.
4190 * config/darwin.c (machopic_asm_out_constructor): New.
4191 (machopic_asm_out_destructor): New.
4192 * config/darwin-protos.h: Update declarations.
4193 * config/darwin.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
4194 (ASM_OUTPUT_DESTRUCTOR): Remove.
4195 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
4196 * config/nextstep.c (nextstep_asm_out_constructor): New.
4197 (nextstep_asm_out_destructor): New.
4198 * config/nextstep.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
4199 (ASM_OUTPUT_DESTRUCTOR): Remove.
4200 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
4201 * config/nextstep21.h: Undef TARGET_ASM_*STRUCTOR instead of
4202 ASM_OUTPUT_*STRUCTOR.
4203 * config/i386/aix386ng.h: Likewise.
4205 * config/elfos.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP): Remove.
4206 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): No ctors/dtors.
4207 (CTORS_SECTION_FUNCTION, DTORS_SECTION_FUNCTION): Remove.
4208 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
4209 * config/lynx.h: Likewise.
4210 * config/netware.h: Likewise.
4211 * config/psos.h: Likewise.
4212 * config/alpha/alpha-interix.h: Likewise.
4213 * config/alpha/elf.h: Likewise.
4214 * config/arc/arc.h: Likewise.
4215 * config/arm/aof.h: Likewise.
4216 * config/arm/coff.h: Likewise.
4217 * config/arm/elf.h: Likewise.
4218 * config/c4x/c4x.h: Likewise.
4219 * config/h8300/h8300.h: Likewise.
4220 * config/i386/cygwin.h: Likewise.
4221 * config/i386/djgpp.h: Likewise.
4222 * config/i386/i386-coff.h: Likewise.
4223 * config/i386/i386-interix.h: Likewise.
4224 * config/i386/sco5.h: Likewise.
4225 * config/i386/vsta.h: Likewise.
4226 * config/i386/win32.h: Likewise.
4227 * config/i960/i960-coff.h: Likewise.
4228 * config/ia64/sysv4.h: Likewise.
4229 * config/m68hc11/m68hc11.h: Likewise.
4230 * config/m68k/coff.h: Likewise.
4231 * config/m68k/mot3300.h: Likewise.
4232 * config/m88k/m88k.h: Likewise.
4233 * config/mcore/mcore-pe.h: Likewise.
4234 * config/mcore/mcore.h: Likewise.
4235 * config/mips/elf.h: Likewise.
4236 * config/mips/elf64.h: Likewise.
4237 * config/mips/iris6.h: Likewise.
4238 * config/pa/pa64-hpux.h: Likewise.
4239 * config/rs6000/sysv4.h: Likewise.
4240 * config/sh/sh.h: Likewise.
4241 * config/sparc/litecoff.h: Likewise.
4243 * config/svr3.h (CTORS_SECTION_ASM_OP): Remove.
4244 (CTORS_SECTION_FUNCTION, DTORS_SECTION_FUNCTION): Remove.
4245 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
4246 * config/1750a/1750a.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
4247 (ASM_OUTPUT_DESTRUCTOR): Remove.
4248 * config/a29k/a29k.c: Move include of tree.h.
4249 * config/a29k/udi.h: Delete file.
4250 * config/alpha/alpha.c (vms_asm_out_constructor): New.
4251 (vms_asm_out_destructor): New.
4252 * config/alpha/vms.h (EXTRA_SECTIONS): No ctors/dtors.
4253 (EXTRA_SECTION_FUNCTIONS): Likewise.
4254 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
4255 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
4256 * config/c4x/c4x.c: Move include of tree.h.
4257 * config/clipper/clipper.c (clix_asm_out_constructor): New.
4258 (clix_asm_out_destructor): New.
4259 * config/clipper/clix.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
4260 (ASM_OUTPUT_DESTRUCTOR): Remove.
4261 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
4262 * config/i386/aix386.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
4263 (TARGET_ASM_CONSTRUCTOR): New.
4264 * config/i386/i386.c (ix86_svr3_asm_out_constructor): New.
4265 (sco_asm_out_constructor): New.
4266 * config/i386/sco5.h (TARGET_ASM_CONSTRUCTOR): New.
4267 * config/i386/svr3gas.h: Remove stack grows up code.
4268 Remove code duplicated from i386/sysv3.h.
4269 (TARGET_ASM_CONSTRUCTOR): New.
4270 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
4271 (DTORS_SECTION_FUNCTION, CTORS_SECTION_FUNCTION): Remove.
4272 * config/i386/sysv3.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
4273 (TARGET_ASM_CONSTRUCTOR): New.
4274 * config/m68hc11/m68hc11.c (m68hc11_asm_out_constructor): New.
4275 (m68hc11_asm_out_destructor): New.
4276 * config/m68hc11/m68hc11.h (TARGET_ASM_CONSTRUCTOR): New.
4277 (TARGET_ASM_DESTRUCTOR): New.
4278 * config/m68k/auxgas.h: Don't undef ASM_OUTPUT_*STRUCTOR.
4279 * config/m68k/dpx2.h: Properly undef all the bits inherited from
4280 config/svr3.h pertaining to section manipulation.
4281 * config/m68k/dpx2g.h: Remove #if 0 code.
4282 * config/m68k/m68k.c (m68k_svr3_asm_out_constructor): New.
4283 * config/m68k/tower-as.h (ASM_OUTPUT_SOURCE_LINE): Fix typo.
4284 (ASM_OUTPUT_CONSTRUCTOR): Remove.
4285 (TARGET_ASM_CONSTRUCTOR): New.
4286 * config/m88k/m88k.c (m88k_layout_frame): Don't use assign_stack_local.
4287 (m88k_svr3_asm_out_constructor): New.
4288 (m88k_svr3_asm_out_destructor): New.
4289 * config/m88k/sysv3.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
4290 (ASM_OUTPUT_DESTRUCTOR): Remove.
4291 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
4292 * config/mips/mips.h: Remove #if 0 ASM_OUTPUT_*STRUCTOR code.
4293 * config/rs6000/aix.h: Likewise.
4294 * config/mips/rtems64.h: Don't undef removed constructor related bits.
4295 * config/mips/vxworks.h: Likewise.
4296 * config/rs6000/lynx.h: Likewise.
4297 * config/sh/elf.h: Likewise.
4298 * config/rs6000/sysv4.h (CTORS_SECTION_ASM_OP): New.
4299 (DTORS_SECTION_ASM_OP): New.
4300 * config/sparc/linux64.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
4301 (ASM_OUTPUT_DESTRUCTOR): Remove.
4302 * config/sparc/sol2-sld-64.h: Likewise.
4303 * config/vax/vax.c (vms_asm_out_constructor): New.
4304 (vms_asm_out_destructor): New.
4305 * config/vax/vms.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
4306 (ASM_OUTPUT_DESTRUCTOR): Remove.
4307 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
4309 * doc/tm.texi (@node Initialization): Update.
4311 2001-08-09 Richard Henderson <rth@redhat.com>
4313 * config/alpha/crtbegin.asm (__JCR_LIST__): New.
4314 (__do_global_dtors_aux): Use gp-relative static data to avoid
4315 one dynamic relocation.
4316 (__do_frame_setup): Register Java classes.
4317 * config/alpha/crtend.asm (__JCR_END__): New.
4319 2001-08-09 Zack Weinberg <zackw@stanford.edu>
4321 * Makefile.in (HOST_CFLAGS): Take out -DGENERATOR_FILE.
4322 (CONFIG_H, TCONFIG_H, TM_P_H): Update.
4323 (GEN, STAGESTUFF): Add new files.
4324 (insn-constants.h, s-constants, tm-preds.h, s-preds,
4325 genconstants, genpreds, genconstants.o, genpreds.o): New rules.
4326 (hashtab.o, safe-ctype.o): Add -DGENERATOR_FILE.
4327 * mkconfig.sh: Include tm-preds.h in tm_p.h; insn-constants.h
4328 as well as insn-codes.h and insn-flags.h in config.h; and no
4329 extra headers in tconfig.h and hconfig.h.
4331 * gencodes.c: Eliminate code to generate predicate declarations
4332 or #defines for md-file constants.
4333 * genconstants.c, genpreds.c: New files.
4335 * i386.md: Re-order guard expressions such that TARGET_64BIT
4336 comes first, when this permits better optimization. Add
4337 TARGET_64BIT to more x86-64 patterns. Add comment explaining
4338 why this is desirable.
4340 2001-08-09 Jakub Jelinek <jakub@redhat.com>
4342 * config/ia64/fde-glibc.c: Require glibc 2.2.4+ headers.
4343 (find_fde_for_dso): Remove.
4344 (_Unwind_IteratePhdrCallback): New.
4345 (_Unwind_FindTableEntry): Use dl_iterate_phdr.
4346 * config/ia64/crtbegin.asm (__ia64_app_header): Remove.
4348 Thu Aug 9 11:30:20 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4350 * expr.c (emit_single_push_insn): Only exists ifdef PUSH_ROUNDING.
4351 (move_by_pieces_1): If would call it, abort if no PUSH_ROUNDING.
4353 2001-08-09 Graham Stott <grahams@redhat.com>
4355 * sched-vis.c (MAX_VISUAL_NO_UNIT): Define.
4356 (vis_no_unit): Use it.
4357 (visualize_no_unit): Add the insn only if room exists.
4359 2001-08-09 Graham Stott <grahams@redhat.com>
4361 * predict.c (estimate_probability): Replace magic numbers with
4362 appropriate enumeration.
4364 2001-08-09 Graham Stott <grahams@redhat.com>
4366 * cppexp.c (EXTRACT_PRIO): Uppercase and parenthsize macro
4368 (EXTRACT_FLAGS): Likewise.
4370 2001-08-09 Aldy Hernandez <aldyh@redhat.com>
4372 * config/mips/mips.c (mips_legitimate_address_p): Check for
4373 CONST_INT in last patch.
4375 2001-08-08 Anthony Green <green@redhat.com>
4377 * java/class.c (emit_register_classes): Use assemble_jcr if
4378 possible. Keep the original mechanism as a fallback.
4379 * defaults.h (JCR_SECTION_NAME): Define if we have named section
4380 and weak symbol support.
4381 * crtstuff.c (__JCR_LIST__): Define.
4382 (__JCR_END__): Define.
4383 (_Jv_RegiserClasses): Define weak symbol if possible.
4384 (__do_global_ctors_aux): Register classes for ELF targets with
4385 weak symbol support.
4387 2001-08-08 Kazu Hirata <kazu@hxi.com>
4389 * dbxout.c: Fix comment formatting.
4390 * dependence.c: Likewise.
4392 * diagnostic.c: Likewise.
4393 * dominance.c: Likewise.
4394 * doprint.c: Likewise.
4395 * dwarf2out.c: Likewise.
4396 * dwarfout.c: Likewise.
4397 * emit-rtl.c: Likewise.
4398 * except.c: Likewise.
4399 * explow.c: Likewise.
4400 * expmed.c: Likewise.
4403 * fold-const.c: Likewise.
4404 * function.c: Likewise.
4406 2001-08-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4408 * global.c (retry_global_alloc): Avoid shadowing allocno.
4410 2001-08-08 Mark Mitchell <mark@codesourcery.com>
4412 * except.c (remove_fixup_regions): Fix typo.
4414 2001-08-08 Jan van Male <jan.vanmale@fenk.wau.nl>
4416 * emit-rtl.c (adjust_address, adjust_address_nv): Cast offset to
4417 unsigned HOST_WIDE_INT to avoid warning.
4418 * final.c (final): Cast INSN_UID to unsigned to avoid warning.
4419 * flow.c (set_block_for_new_insns): Likewise.
4421 Wed Aug 8 21:08:14 CEST 2001 Jan Hubicka <jh@suse.cz>
4423 * sibcall.c (return_value_pseudo): New static variable.
4424 (skip_copy_to_return_value): Handle return_value_pseudo.
4425 (call_ends_block_p): Ensure that return_value_pseudo is set.
4426 (optimize_sibling_and_tail_recursive_call): Discover the
4427 load of pseudo return value in alternate exit block.
4429 Wed Aug 8 21:06:43 CEST 2001 Jan Hubicka <jh@suse.cz>
4431 * calls.c (ECF_ALWAYS_RETURN): New constant.
4432 (emit_call_1): Add REG_ALWAYS_RETURN note if needed.
4433 (expand_call): Use LCF_ALWAYS_RETURN for __bb_fork_func.
4434 (emit_library_call_value_1): Handle LCT_ALWAYS_RETRUN.
4435 * flow.c (need_fake_edge_p): Handle REG_ALWAYS_RETURN.
4436 * rtl.c (reg_note_name): New name.
4437 * rtl.h (enum reg_note): Add REG_ALWAYS_RETURN.
4439 2001-08-07 Aldy Hernandez <aldyh@redhat.com>
4441 * config/mips/mips.c (mips_legitimate_address_p): Limit "la" addresses.
4443 2001-08-08 Jason Merrill <jason_merrill@redhat.com>
4445 * alias.c (get_alias_set): Return a previously calculated
4446 alias set for a VAR_DECL.
4447 * function.c (gen_mem_addressof): Calculate the alias set before
4450 Wed Aug 8 18:44:37 CEST 2001 Jan Hubicka <jh@suse.cz>
4452 * predict.def: Set hitrates according our experimental run.
4454 Wed Aug 8 18:01:58 CEST 2001 Jan Hubicka <jh@suse.cz>
4456 * i386.h (HARD_REGNO_RENAME_OK): New macro.
4458 2001-08-08 H.J. Lu <hjl@gnu.org>
4460 * config/mips/mips.c (mips_unique_section): New. Copied from
4463 * config/mips/mips-protos.h (mips_unique_section): New
4466 * config/mips/elf.h (UNIQUE_SECTION): Use mips_unique_section.
4468 * config/mips/little.h: New. Generic little endian mips
4469 targets. Only mips*-*-linux* is converted to use it so far.
4471 * config/mips/linux.h: Include "gofast.h" and "mips/mips.h".
4472 (WCHAR_TYPE): Defined
4473 (WCHAR_TYPE_SIZE): Likewise.
4474 (INIT_SUBTARGET_OPTABS): Likewise.
4475 (BSS_SECTION_ASM_OP): Likewise.
4476 (SBSS_SECTION_ASM_OP): Likewise.
4477 (ASM_OUTPUT_ALIGNED_BSS): Likewise.
4478 (ASM_DECLARE_OBJECT_NAME): Likewise.
4479 (UNIQUE_SECTION): Likewise.
4480 (EXTRA_SECTIONS): Likewise.
4481 (ASM_OUTPUT_CONSTRUCTOR): Likewise.
4482 (ASM_OUTPUT_DESTRUCTOR): Likewise.
4483 (ASM_OUTPUT_DEF): Likewise.
4484 (HANDLE_SYSV_PRAGMA): Removed.
4485 (NO_IMPLICIT_EXTERN_C): Likewise.
4486 (TARGET_MEM_FUNCTIONS): Likewise.
4487 (STARTFILE_SPEC): Likewise.
4488 (ENDFILE_SPEC): Likewise.
4489 (LIB_SPEC): Likewise.
4490 (INVOKE__main): Likewise.
4491 (CTOR_LIST_BEGIN): Likewise.
4492 (CTOR_LIST_END): Likewise.
4493 (DTOR_LIST_BEGIN): Likewise.
4494 (DTOR_LIST_END): Likewise.
4495 (SET_ASM_OP): Likewise.
4496 (ASM_OUTPUT_SOURCE_LINE): Likewise.
4497 (ASM_OUTPUT_DEF): Likewise.
4498 (ASM_OUTPUT_IDENT): Likewise.
4500 * config/mips/mips.h (ASM_SPEC): Undefine before define.
4501 (CPLUSPLUS_CPP_SPEC): Likewise.
4502 (ASM_APP_ON) Redefine only if not defined.
4503 (ASM_APP_OFF): Likewise.
4504 (ASM_OUTPUT_SOURCE_LINE): Likewise.
4505 (ASM_OUTPUT_IDENT): Likewise.
4507 * config.gcc: Update tm_file for Linux/mips.
4509 2001-08-08 Bernd Schmidt <bernds@redhat.com>
4511 * cselib.c (cselib_record_sets): If insn is predicated, turn
4512 sources into IF_THEN_ELSEs.
4514 * config/ia64/ia64.md (cond_opsi2_internal, cond_opsi2_internal_b):
4515 Turn into define_insn_and_split.
4517 * sched-deps.c: Include "cselib.h".
4518 (add_insn_mem_dependence, sched_analyze_1, sched_analyze_2):
4519 Use cselib to turn memory addresses into VALUEs.
4520 (sched_analyze): Call cselib_init/cselib_finish if necessary.
4521 * sched-int.h (struct sched_info): New member USE_CSELIB.
4522 * sched-ebb.c (ebb_sched_info): Initialize it.
4523 * sched-rgn.c (rgn_sched_info): Likewise.
4524 * Makefile.in (sched-deps.o): Update dependencies.
4526 * cselib.h (cselib_subst_to_values): Declare.
4527 * cselib.c (cselib_subst_to_values): No longer static. Allow MEMs
4528 that have no value and autoincs to be handled by generating a new
4531 2001-08-08 Graham Stott <grahams@redhat.com>
4533 * final.c (shorten_branches): Update the INSN_ADDRESSES of insns
4534 within fixed length SEQUENCE.
4536 2001-08-08 Graham Stott <grahams@redhat.com>
4538 * diagnostic.h (diagnostic_format_decoder): Parenthesize macro parameter.
4539 (diagnostic_prefixing_rule): Likewise.
4540 (diagnostic_line_cutoff): Likewise.
4541 (diagnostic_kind_count): Likewise.
4543 2001-08-08 Graham Stott <grahams@redhat.com>
4545 * alias.c (find_base_decl): Delete redundent assignment.
4547 2001-08-08 Graham Stott <grahams@redhat.com>
4549 * dependence.c (INDEX_LIMIT_CHECK): Uppercase macro parameter.
4550 (abs): Uppercase and paranthesize macro parameter.
4551 (MEM_DEPENDENCY): Add whitespace.
4553 2001-08-08 Graham Stott <grahams@redhat.com>
4555 * config/mips/mips.c (mips_legitimate_address_p): Fix enable checking
4556 failure check for CONST_INT
4558 2001-08-08 Graham Stott <grahams@redhat.com>
4560 * flow.c (back_edge_of_syntactic_loop_p): Add whitespace.
4561 (libcall_dead_p): Likewise.
4563 (mark_used_regs): Constify fmt.
4564 (find_use_as_address): Likewise.
4566 2001-08-08 Graham Stott <grahams@redhat.com>
4568 * c-typeck.c (RESTORE_SPELLING_DEPTH): Uppercase and parenthesize macro
4571 2001-08-08 Graham Stott <grahams@redhat.com>
4573 * combine.c (combine_simplify_rtx): Update comment and
4574 remove erroneous test.
4576 2001-08-07 Neil Booth <neil@daikokuya.demon.co.uk>
4578 * cppinit.c (cpp_finish): Pop the final buffer without comment.
4579 * cpplex.c (_cpp_lex_token): Don't pop the final buffer; and
4580 take care to avoid multiple no-newline at EOF warnings in that
4583 Tue Aug 7 22:18:06 CEST 2001 Jan Hubicka <jh@suse.cz>
4585 * calls.c (expand_call): Do not emit INSN_SETJMP note.
4586 (emit_library_call_value_1): Likewise.
4587 (emit_call_1): Emit REG_SETJMP note.
4588 * cse.c (cse_end_of_basic_block): Use REG_SETJMP instead
4590 * cselib.c (cselib_process_insn): Likewise.
4591 * flow.c (propagate_block): Likewise.
4592 * loop.c (find_and_verify_loops): Likewise.
4593 * reload.c (find_equiv_regs): Likewise.
4594 * reload1.c (reload): Likewise.
4595 * resource.c (mark_referenced_resources,
4596 mark_set_resources): Likewise.
4597 * sched-deps (sched_analyze_insn, sched_analyze): Likewise.
4598 * final.c (final_scan_insn): Remove NOTE_INSN_SETJMP.
4599 * haifa-sched.c (unlink_other_notes): Likewise.
4600 (reemit_notes): Likewise.
4601 * sched-ebb.c (sched_ebb): Likewise.
4602 * sched-rgc.c (sched_region): Likewise.
4603 * rtl.c (note_insn_name): Likewise.
4604 (reg_note_name): Add REG_SETJMP
4605 * rtl.h (reg_note): Add REG_SETJMP.
4606 (insn_note): Remove NOTE_INSN_SETJMP.
4608 * profile.c (branch_prob): Add fake edges for setjmp.
4610 2001-08-07 Daniel Jacobowitz <drow@mvista.com>
4612 * config.gcc: Quote target_cpu_default2 correctly for
4613 powerpc*-*-* targets.
4615 2001-08-07 Neil Booth <neil@daikokuya.demon.co.uk>
4617 * cpplib.h, line-map.h: Update comments.
4618 * cppmain.c (printer_init): Move inline.
4619 (maybe_print_line, print_line): Take a map pointer.
4620 (cb_ident, cb_define, cb_undef, cb_include, cb_def_pragma): Update.
4621 (cb_file_change): Don't use prior value of print.map.
4623 2001-08-07 David Edelsohn <edelsohn@gnu.org>
4625 * doc/install.texi: Document fine-grained multilib configuration.
4627 Tue Aug 7 16:52:54 CEST 2001 Jan Hubicka <jh@suse.cz>
4629 * rtlanal.c (find_first_parameter_load): Call note_stores
4630 only on the instructions.
4632 Tue Aug 7 14:56:16 CEST 2001 Jan Hubicka <jh@suse.cz>
4634 * alias.c (nonlocal_mentioned_p):
4635 Rename CONST_CALL_P to CONST_OR_PURE_CALL_P
4636 * calls.c (emit_call_1): Likewise.
4637 * cse.c (cse_insn, invalidate_skipped_block): Likewise.
4638 * cselib.c (cselib_process_insn): Likewise.
4639 * df.c (df_insns_modify): Likewise.
4640 * flow.c (need_fake_edge_p): Likewise.
4641 (propagate_one_insn): Likewise.
4642 * haifa-sched.c (reemit_notes): Likewise.
4643 * integrate.c (copy_insn_list): Likewise.
4644 * jump.c (delete_prior_computation): Likewise.
4645 * local-alloc.c (validate_equiv_mem): Likewise.
4646 * loop.c (scan_loop): Likewise.
4647 * predict.c (estimate_probability): Likewise.
4648 * reload.c (reload): Likewise.
4649 * sched-deps (sched_analyze): Likewise.
4650 * rtl.h (CONST_CALL_P): rename to CONST_OR_PURE_CALL_P.
4651 * gcse.c (compute_hash_table): Likewise.
4652 (mark_call): Likewise.
4653 (store_killed_in_insn): Likewise.
4655 2001-08-07 Jason Merrill <jason_merrill@redhat.com>
4657 * c-semantics.c (make_rtl_for_local_static): Use DECL_RTL_SET_P.
4659 2001-08-06 Richard Henderson <rth@redhat.com>
4661 * varasm.c (assemble_gc_entry): Remove.
4662 * output.h: Likewise.
4664 2001-08-06 Richard Henderson <rth@redhat.com>
4666 * varasm.c (assemble_constructor): Take a symbol_ref and a
4667 priority instead of a bare string. Move priority handling
4668 here from cp/decl2.c.
4669 * output.h: Update decls.
4671 * c-decl.c (c_expand_body): Update calls to assemble_constructor
4672 and assemble_destructor.
4673 * profile.c (output_func_start_profiler): Likewise.
4674 * objc/objc-act.c (finish_objc): Likewise.
4675 (build_module_descriptor): Return the symbol not the symbol name.
4677 2001-08-06 David Edelsohn <edelsohn@gnu.org>
4679 * config/rs6000/darwin.h (DOUBLE_INT_ASM_OP): Add whitespace.
4680 * config/rs6000/linux64.h (RS6000_MCOUNT): Define.
4681 ({SAVE,RESTORE}_FP_{PREFFIX,SUFFIX}): Define.
4682 * config/rs6000/rs6000.h (ASM_OUTPUT_DOUBLE_INT): Remove whitespace.
4683 * config/rs6000/sysv4.h (DOUBLE_INT_ASM_OP): Add whitespace.
4684 * config/rs6000/xcoff.h (DOUBLE_INT_ASM_OP): Add whitespace.
4686 2001-08-06 Neil Booth <neil@daikokuya.demon.co.uk>
4688 * cpperror.c (print_containing_files): Moved to line-map.c.
4689 (print_location): line-map.c handles re-listing or otherwise.
4690 * cpphash.h (struct lexer_state): Remove next_bol.
4691 (struct cpp_buffer): Remove include_stack_listed.
4692 * cpplib.c (do_line, cpp_push_buffer, _cpp_pop_buffer):
4693 Remove faked buffer handling.
4694 (_cpp_do_file_change): Tweak.
4695 * cpplib.h (enum cpp_buffer_type): Remove BUF_FAKE.
4696 * cppmain.c (struct printer): Remove filename.
4697 (print_line, cb_file_change): Update accordingly.
4698 * line-map.c: Include intl.h.
4699 (init_line_maps): Initialize last_listed.
4700 (free_line_maps): Sanity check, warn if ENABLED_CHECKING.
4701 (add_line_map): Sanity check inputs, warn if ENABLED_CHECKING.
4702 (print_containing_files): New.
4703 * line-map.h (struct line_maps): New member last_listed.
4704 (print_containing_files, INCLUDED_FROM): New.
4705 * Makefile.in: Update.
4706 * po/POTFILES.in: Add line-map.c.
4708 2001-08-06 Richard Henderson <rth@redhat.com>
4710 * except.c (convert_from_eh_region_ranges_1): Never mark
4711 USE or CLOBBER insns as throwing.
4713 * expr.c (store_constructor): Don't clobber memory targets.
4715 2001-08-06 Andreas Jaeger <aj@suse.de>
4717 * profile.c (branch_prob): Remove unused variable insn.
4719 * Makefile.in (local-alloc.o): Add dependency on except.h.
4721 * local-alloc.c: Include except.h for can_throw_internal prototype.
4723 2001-08-06 Richard Henderson <rth@redhat.com>
4725 * config/i386/i386.h (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
4726 * function.c (expand_main_function): Implement it.
4727 * doc/tm.texi: Document it.
4729 2001-08-06 Stan Shebs <shebs@apple.com>
4731 * doc/install.texi: Document powerpc-*-darwin* details.
4733 2001-08-06 Daniel Berlin <dan@cgsoftware.com>
4735 * config/rs6000/aix.h (CPP_CPU_SPEC): Move back to rs6000.h
4736 (ASM_CPU_SPEC): Move back to rs6000.h
4737 #undef CPP_DEFAULT_SPEC and ASM_DEFAULT_SPEC before redefining them.
4739 * config/rs6000/darwin.h (DOUBLE_INT_ASM_OP): New macro.
4741 * config/rs6000/linux.h: Remove vtable thunks stuff we accidently
4744 * config/rs6000/linux64.h: Ditto.
4746 * config/rs6000/rs6000.h: Move CPP_CPU_SPEC and ASM_CPU_SPEC back
4747 to here. Define default ASM_DEFAULT_SPEC and CPP_DEFAULT SPEC to
4750 Remove accidently readded definitions of FUNCTION_PROLOGUE,
4751 FUNCTION_EPILOGUE, ASM_OPEN_PAREN, ASM_CLOSE_PAREN
4753 * config/rs6000/sysv4.h: Move CPP_CPU_SPEC and ASM_CPU_SPEC back
4756 2001-08-05 Richard Henderson <rth@redhat.com>
4758 * local-alloc.c (update_equiv_regs): Do not move insns that
4761 2001-08-05 Jan Hubicka <jh@suse.cz>
4763 * Makefile.in (reload1.o): Add dedendancy on except.h
4764 * basic-block.h (purge_all_dead_edges, purge_dead_edges): Update
4766 * flow.c (purge_dead_edges, purge_all_dead_edges): Return bool
4767 indicating wehther edges has been cleaned up.
4768 * reload1.c: Inlucde except.h
4769 (fixup_abnormal_edges): Accept deleted insns.
4770 * toplev.c (rest_of_compilation): Purge dead edges unconditionally
4773 2001-08-06 Neil Booth <neil@daikokuya.demon.co.uk>
4775 * cpplib.c (do_line): Correct line number after pop_buffer.
4777 2001-08-05 Neil Booth <neil@daikokuya.demon.co.uk>
4779 PR preprocessor/3824
4780 * line-map.c: Update comments.
4781 * line-map.h: Update comments.
4782 * tradcif.y: Don't consider large numbers unsigned.
4784 2001-08-05 Neil Booth <neil@daikokuya.demon.co.uk>
4786 PR preprocessor/3081
4787 * c-lex.c (map): New.
4788 (cb_file_change): Update map and use it.
4789 (cb_def_pragma, cb_define, cb_undef): Use map and line.
4790 (c_lex): Update to use map.
4791 * cpperror.c (print_location): Move to using logical line numbers.
4792 * cppfiles.c (stack_include_file): Update for new _cpp_do_file_change.
4793 (cpp_make_system_header): Similarly.
4794 (_cpp_execute_include): Stop line numbering hacks. Store the
4795 line we will return to.
4796 * cpphash.h (CPP_BUF_LINE): Remove.
4797 (struct cpp_buffer): Remove lineno and pseudo_newlines.
4798 Add map and return_to_line.
4799 (_cpp_do_file_change): Update.
4800 * cppinit.c (cpp_start_read): Update line kludge.
4801 * cpplex.c (handle_newline): Don't update lineno and pseudo_newlines.
4802 (trigraph_ok): Use logical line numbers for diagnostics.
4803 (skip_block_comment): Likewise.
4804 (skip_whitespace): Likewise.
4805 (skip_line_comment): Use pfile->line instead.
4806 (_cpp_lex_token): Update to use logical line numbering exclusively.
4807 Handle BOL locally. Accept new lines in directives, but keep
4808 pfile->line decremented. Diagnostics use logical lines. Update
4810 * cpplib.c (SEEN_EOL): New.
4811 (skip_rest_of_line, check_eol): Use it.
4812 (end_directive): Increase line number when accepting the newline
4813 at the end of a directive.
4814 (run_directive): Simplify.
4815 (do_line): Bad LC_LEAVEs become LC_RENAMEs. Update.
4816 (_cpp_do_file_change): Update to take buffer line number as an
4817 argument, and store the current map in the cpp_reader. Remove
4818 line number kludges.
4819 (_cpp_do__Pragma): Restore output position after a _Pragma.
4820 (cpp_push_buffer): Don't set output line or lineno.
4821 (_cpp_pop_buffer): Transfer more info from a faked buffer.
4822 Remove line kludge. Set output_line.
4823 * cppmacro.c (builtin_macro): Update handling of __LINE__.
4824 (parse_arg): Use logical lines.
4825 (save_lookahead_token): Save EOFs too now.
4826 * cppmain.c (struct printer): Fix comments.
4827 (printer_init): Simplify, let caller do errors.
4828 (scan_translation_unit, check_multiline_token, dump_macro): Update.
4829 (maybe_print_line): Simplify.
4830 (print_line): Don't print a linemarker if -P.
4831 (cb_define, cb_undef, cb_def_pragma, cb_ident, cb_include): Update.
4832 (cb_file_change): Simplify.
4833 * line-map.h (LAST_SOURCE_LINE): Fix.
4834 (CURRENT_LINE_MAP): New.
4836 2001-08-05 Bernd Schmidt <bernds@redhat.com>
4838 * doloop.c (doloop_modify_runtime): Properly compute number of
4839 iterations if loop was unrolled.
4841 * alias.c (rtx_equal_for_memref_p): VALUEs are only identical
4842 if their CSELIB_VAL_PTRs are.
4844 * config/ia64/ia64.c (struct spill_fill_data): New member prev_insn.
4845 (setup_spill_pointers): Initialize it.
4846 (spill_restore_mem): Set it.
4847 (do_spill, do_restore): Use it to add REG_INC note.
4848 * config/ia64/ia64.md (movti_internal): Add REG_INC notes as needed.
4850 * config/ia64/ia64.c (ia64_sched_reorder): Defer scheduling of
4851 asms if other insns are available.
4853 * config/ia64/ia64.c (condop_operator): New predicate.
4854 * config/ia64/ia64.h (PREDICATE_CODES): Add it.
4855 * config/ia64/ia64.md (cond_opsi2_internal and splitters): New
4858 * expr.c (expand_expr, case COND_EXPR): Prefer working with a
4859 temporary register than directly using a MEM.
4861 2001-08-04 Hans-Peter Nilsson <hp@bitrange.com>
4863 * config/sh/sh.c (sh_asm_named_section): Fix typo in align
4864 parameter in last change.
4866 2001-08-04 Zack Weinberg <zackw@panix.com>
4868 * sparc.md: Don't use #if inside C test expression.
4870 2001-08-04 Richard Henderson <rth@redhat.com>
4872 * i386.c: Revert 07-30 ix86_output_main_function_alignment_hack.
4874 2001-08-04 Neil Booth <neil@daikokuya.demon.co.uk>
4876 * cpphash.h (struct cpp_reader): New member directive_line.
4877 * cpplib.h (struct cpp_callbacks): Update prototypes of callbacks.
4878 * cpplib.c (do_define, do_undef, do_ident, do_include_common,
4879 do_pragma): Pass line to callbacks.
4880 (start_directive): Record line of directive.
4881 * cppmain.c (cb_ident, cb_define, cb_undef, cb_def_pragma,
4882 cb_include): Similarly.
4883 * c-lex.c (cb_ident, cb_define, cb_undef, cb_def_pragma):
4886 2001-08-04 Hans-Peter Nilsson <hp@bitrange.com>
4888 * config/d30v/d30v.h: Fix typo in start of UNIQUE_SECTION
4891 Sat Aug 4 13:51:36 CEST 2001 Jan Hubicka <jh@suse.cz>
4893 * loop.c (try_copy_prop); Kill invalidated REG_EQUAL notes.
4895 * reload1.c (fixup_abnormal_edges): New static function.
4898 * flow.c (need_fake_edge_p): New function.
4899 (flow_call_edges_add): Fix handling of noreturn and sibbling calls;
4900 avoid call insn to be very last insn in the insn stream.
4902 * profile.c (branch_prob): Call flow_call_edges_add instead of
4903 doing that by hand; cleanup cfg to re-merge basic blocks once
4906 2001-08-04 Neil Booth <neil@cat.daikokuya.demon.co.uk>
4908 * Makefile.in (CPPLIB_H): New, so that dependencies on cpplib.h
4909 are also on line-map.h.
4910 * cppfiles.c (stack_include_file): Update.
4911 * cpphash.h (struct cpp_buffer): New member return_at_eof.
4912 (_cpp_pop_buffer): New.
4913 * cppinit.c (cpp_destroy, cpp_finish): Update.
4914 (do_includes): Mark each buffer to return at EOF.
4915 * cpplex.c (_cpp_lex_token): Pop buffers at EOF. Continue or
4916 return as requested.
4917 * cpplib.c (run_directive, do_line, cpp_push_buffer): Update.
4918 (cpp_pop_buffer): Rename _cpp_pop_buffer. Stop skipping.
4919 * cpplib.h (cpp_pop_buffer): Remove.
4920 (cpp_scan_buffer_nooutput): Rename cpp_scan_nooutput.
4921 * cppmacro.c (cpp_scan_buffer_nooutput): Similarly. No need to pop
4923 * cppmain.c (scan_buffer): Rename scan_translation_unit. No need
4925 (do_preprocessing): Update.
4926 * fix-header.c (read_scan_file): Update. No need to pop buffers.
4927 * c-parse.in (_yylex): Similarly.
4928 * scan-decls.c (scan_decls): Similarly.
4929 * line-map.h: Update comments.
4931 * objc/Make-lang.in (objc-act.o): Update dependencies.
4933 2001-08-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4935 * config/m68hc11/m68hc11.md ("cmphi_1", "cmpqi_1"): Allow memory
4936 and soft register for operand 0.
4937 ("cmphi_z_used", "cmpqi_z_used"): Allow memory for operand 0.
4939 2001-08-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4941 * config/m68hc11/m68hc11.md ("bitcmpqi"): Allow memory and soft
4942 register for operand 0.
4943 ("bitcmpqi_z_used"): Allow memory for operand 0.
4944 (split "bitcmpqi"): New split to handle address reg as operand 1.
4946 2001-08-04 Andreas Jaeger <aj@suse.de>
4948 * gcse.c: Revert Daniel's last patch.
4950 2001-08-03 Zack Weinberg <zackw@stanford.edu>
4952 * sparc-protos.h: Add prototypes for fp_zero_operand and
4954 * sh-protos.h: Add prototype for fpul_operand.
4956 2001-08-04 Hans-Peter Nilsson <hp@bitrange.com>
4958 * doc/extend.texi (Other Builtins): Fix typo in last change.
4960 2001-08-03 Richard Henderson <rth@redhat.com>
4962 * target.h (gcc_target): Add asm_out.named_section,
4963 section_type_flags, have_named_sections.
4964 * target-def.h (TARGET_ASM_NAMED_SECTION): New.
4965 (TARGET_HAVE_NAMED_SECTIONS): New.
4966 (TARGET_SECTION_TYPE_FLAGS): New.
4968 * Makefile.in (toplev.o): Depend on TARGET_H.
4969 (varasm.o, dbxout.o): Likewise.
4970 * c-common.c (decl_attributes): Check targetm.have_named_sections
4971 instead of ifdef ASM_OUTPUT_SECTION_NAME.
4972 * dbxout.c (dbxout_function_decl): Likewise.
4973 (dbxout_function_end): Likewise.
4974 * toplev.c (compile_file): Likewise.
4975 * varasm.c (exception_section): Likewise.
4976 * cp/decl2.c (finish_objects): Likewise.
4978 * defaults.h (EH_FRAME_SECTION): Remove.
4979 (EH_FRAME_SECTION_ASM_OP): Remove.
4980 (EH_FRAME_SECTION_NAME): New.
4981 (UNIQUE_SECTION): Don't depend on ASM_OUTPUT_SECTION_NAME.
4982 (UNIQUE_SECTION_P): Remove.
4983 * dwarf2out.c (SECTION_FORMAT): Remove.
4984 (ASM_OUTPUT_SECTION): Remove.
4985 (output_call_frame_info): Use named_section_flags.
4986 (output_comp_unit, dwarf2out_start_source_file): Likewise.
4987 (dwarf2out_end_source_file, dwarf2out_define): Likewise.
4988 (dwarf2out_undef, dwarf2out_init, dwarf2out_finish): Likewise.
4989 * varasm.c (in_eh_frame, eh_frame_section): Remove.
4990 (named_section_flags): New.
4991 (named_section): Use it and targetm.section_type_flags.
4992 (resolve_unique_section): New.
4993 (assemble_start_function): Use it.
4994 (asm_emit_uninitialised, assemble_variable): Likewise.
4995 (default_section_type_flags): New.
4996 (default_no_named_section, default_elf_asm_named_section): New.
4997 (default_coff_asm_named_section, default_pe_asm_named_section): New.
4998 * output.h: Update varasm.c decls.
4999 (SECTION_*): New flags.
5001 * crtstuff.c: Check EH_FRAME_SECTION_NAME not EH_FRAME_SECTION_ASM_OP.
5002 (__EH_FRAME_BEGIN__, __FRAME_END__): Use attribute section.
5004 * config/elfos.h (UNIQUE_SECTION_P): Remove.
5005 * config/alpha/elf.h, config/arm/linux-elf.h: Likewise.
5006 * config/arm/pe.h, config/arm/unknown-elf.h: Likewise.
5007 * config/i386/cygwin.h, config/i386/djgpp.h: Likewise.
5008 * config/i386/i386-interix.h, config/i386/win32.h: Likewise.
5009 * config/ia64/sysv4.h, config/mcore/mcore-pe.h: Likewise.
5010 * config/mips/elf.h, config/mips/elf64.h: Likewise.
5011 * config/mips/iris6gld.h, config/mips/mips.h: Likewise.
5012 * config/pa/pa64-hpux.h,
5014 * config/elfos.h (ASM_OUTPUT_SECTION_NAME): Remove.
5015 (TARGET_ASM_NAMED_SECTION): New.
5016 * config/psos.h, config/a29k/a29k.h, config/alpha/elf.h: Likewise.
5017 * config/alpha/vms.h, config/arm/coff.h: Likewise.
5018 * config/arm/conix-elf.h, config/arm/elf.h: Likewise.
5019 * config/arm/linux-elf.h, config/arm/pe.h: Likewise.
5020 * config/arm/unknown-elf.h, config/avr/avr.h: Likewise.
5021 * config/c4x/c4x.h, config/h8300/h8300.h: Likewise.
5022 * config/i386/cygwin.h, config/i386/djgpp.h: Likewise.
5023 * config/i386/i386-interix.h, config/i386/i386elf.h : Likewise.
5024 * config/i386/sco5.h, config/i386/win32.h: Likewise.
5025 * config/m68k/coff.h, config/mcore/mcore-pe.h: Likewise.
5026 * config/mcore/mcore.h, config/mips/elf.h: Likewise.
5027 * config/mips/elf64.h, config/mips/iris6.h: Likewise.
5028 * config/mips/netbsd.h, config/mips/openbsd.h: Likewise.
5029 * config/pa/pa64-hpux.h, config/rs6000/sysv4.h: Likewise.
5030 * config/rs6000/xcoff.h, config/sh/sh.h: Likewise.
5031 * config/sparc/sysv4.h: Likewise.
5033 * config/nextstep.h: Error until named sections implemented.
5035 * config/a29k/a29k.c (a29k_asm_named_section): New.
5036 * config/alpha/alpha.c (SECTION_VMS_OVERLAY): New.
5037 (vms_section_type_flags, vms_asm_named_section): New.
5038 * config/arm/arm.c (arm_elf_asm_named_section): New.
5039 * config/avr/avr.c (asm_output_section_name): Remove.
5040 * config/avr/avr-protos.h: Update.
5041 * config/c4x/c4x.c (c4x_asm_named_section): New.
5042 * config/h8300/h8300.c (h8300_asm_named_section): New.
5043 * config/i386/i386.c (sco_asm_named_section): New.
5044 * config/i386/winnt.c (SECTION_PE_SHARED): New.
5045 (i386_pe_section_type_flags): New.
5046 (i386_pe_asm_named_section): New.
5047 * config/i386/i386-protos.h: Update.
5048 * config/m68k/m68k.c (m68k_coff_asm_named_section): New.
5049 * config/mcore/mcore.c (mcore_asm_named_section): New.
5050 * config/mips/mips.c (iris6_asm_named_section): New.
5051 * config/mips/mips.h (ENCODE_SECTION_INFO): Use DECL_ONE_ONLY
5052 instead of UNIQUE_SECTION_P.
5053 * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): New.
5054 (xcoff_asm_named_section): New.
5055 * config/sh/sh.c (sh_asm_named_section): New.
5056 * config/sparc/sparc.c (sparc_elf_asm_named_section): New.
5058 * config/i386/djgpp.h (EH_FRAME_SECTION_ASM_OP): Remove.
5059 * config/i386/sco5.h (EH_FRAME_SECTION_ASM_OP*): Remove.
5060 (EH_FRAME_SECTION_NAME): New.
5061 (EXCEPTION_SECTION): New.
5062 * config/ia64/ia64.h (EH_FRAME_SECTION_ASM_OP): Remove.
5063 (DEBUG_*_SECTION): Remove.
5064 * config/m68k/rtemself.h (EH_FRAME_SECTION_ASM_OP): Remove.
5065 * config/mips/iris6.h (DEBUG_*_SECTION): Remove.
5066 (EH_FRAME_SECTION_ASM_OP): Remove.
5068 * doc/tm.texi (UNIQUE_SECTION_P): Remove.
5069 (ASM_OUTPUT_SECTION_NAME): Remove.
5070 (TARGET_ASM_NAMED_SECTION): New.
5071 (TARGET_HAVE_NAMED_SECTIONS): New.
5072 (TARGET_SECTION_TYPE_FLAGS): New.
5073 (EH_FRAME_SECTION_ASM_OP): Remove.
5074 (EH_FRAME_SECTION_NAME): New.
5076 2001-08-03 Zack Weinberg <zackw@stanford.edu>
5078 * builtins.c (fold_builtin_constant_p): Return integer_zero_node
5079 for complex expressions when cfun == 0.
5080 * doc/extend.texi: Document that __builtin_constant_p can be
5081 used in data initializers as well as functions.
5083 2001-08-03 Alexandre Oliva <aoliva@redhat.com>
5085 * config/mn10300/mn10300.h (CONDITIONAL_REGISTER_USAGE): Declare
5086 variable I locally, instead of expecting a declaration in the
5089 2001-08-03 Richard Henderson <rth@redhat.com>
5091 * except.c (collect_one_action_chain): Add an explicit cleanup
5092 action if regions surrounding a catch were encoded entirely
5093 within the call-site entry.
5095 2001-08-03 Richard Henderson <rth@redhat.com>
5097 * dbxout.c (dbxout_symbol_location): Flatten subregs first;
5098 don't take REGNO of a non-register.
5100 2001-08-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
5102 * gthr-dce.h (__GTHREAD_MUTEX_INIT_FUNCTION and
5103 __GTHREAD_MUTEX_INIT_DEFAULT): New macros for mutex initialization.
5104 (__gthread_key_delete): Remove code for __PTHREAD_LIBRARY_VERSION_1 >= 1
5105 (__gthread_mutex_init_function): New function for mutex initialization.
5107 2001-08-03 Daniel Berlin <dan@cgsoftware.com>
5109 * Makefile.in: Revert screwed up commit.
5111 2001-08-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
5113 * config/m68hc11/t-m68hc11-gas (T_CPPFLAGS): Add _ctor and _dtor.
5114 * config/m68hc11/larith.asm (_exit): Split in several sub-sections
5115 merged by linker script to get a final _exit().
5116 (__do_global_dtors): New for destructor handling in specific exit
5118 (__do_global_ctors): New for constructors in specific install section.
5119 (__map_data_section): Map data sections before running constructors.
5120 * config/m68hc11/m68hc11.h (INT_ASM_OP): Define to use .word.
5121 (CTORS_SECTION_ASM_OP): Define to put in readonly section.
5122 (DTORS_SECTION_ASM_OP): Likewise.
5123 (CTORS_SECTION_FUNCTION): Define to force a reference to
5125 (DTORS_SECTION_FUNCTION): Likewise for __do_global_dtors.
5127 2001-08-03 Daniel Berlin <dan@cgsoftware.com>
5129 * ChangeLog: Fix date on previous ChangeLog entry for GCSE.
5131 * Makefile.in: Add df.h to gcse.c dependencies.
5133 2001-08-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
5135 * varasm.c (output_constant_def_contents): Use for the length of a
5136 string constant either its TREE_STRING_LENGTH or its int_size_in_bytes
5137 depending on which is larger.
5139 2001-08-03 Daniel Berlin <dan@cgsoftware.com>
5141 * gcse.c: Include df.h for use as a dataflow analyzer.
5143 Declaration of reg_set_info: gone.
5144 New df_analyzer variable used by store motion.
5145 (reg_set_info): Deleted.
5146 (mark_mem_regs): New function, analyze regs used by a mem.
5147 (store_ops_ok): Use dataflow analyzer results to determine if
5148 necessary regs are changed in the block.
5149 (find_moveable_store): Remove check for symbol ref, we can handle
5150 much more complex expressions now.
5151 (compute_store_table): Remove most of the code, it's unnecessary
5152 now that the dataflow analyzer records the info for us.
5153 (store_killed_after): Add parameter to say whether to do the
5154 store_ops_okay test, used to speed up testing when we already know
5155 the answer, and just want to know if the store itself was killed.
5156 (build_store_vector): Largely rewritten to calculate the various
5157 vectors properly, and somewhat optimized.
5158 (store_motion): Init the df_analyzer, get REG_DEF chains.
5159 Also handle trapping expressions (since mems almost always trap)
5160 (simple_mem): Redefine what a simple mem is.
5162 2001-08-03 DJ Delorie <dj@redhat.com>
5164 * ifcvt.c (noce_get_alt_condition): Don't make an auxiliary
5165 set from a constant part of the condition.
5167 2001-08-01 Andrew Cagney <ac131313@redhat.com>
5169 * mkdeps.c (deps_add_default_target): Make local variable
5170 ``start'' a const char pointer.
5171 * dwarf2out.c (compute_section_prefix): Localize use of ``p''.
5173 2001-08-03 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5175 * doc/install.texi (Configuration): Fix markup.
5176 (Specific, i?86-*-udk): Likewise.
5177 (Specific, alpha*-dec-osf*): Warn against --with-gnu-as,
5179 Document --enable-threads and --enable-libgcj status.
5180 (Specific, mips-sgi-irix*): Canonicalize triples.
5181 (Specific, mips-sgi-irix5): Warn about problems with this config.
5182 Mention required GNU as patch.
5183 Native assembler problems are fixed.
5184 (Specific, mips-sgi-irix6): Update O32 ABI support status.
5185 Document --enable-threads and --enable-libgcj status.
5187 2001-08-02 Nick Clifton <nickc@cambridge.redhat.com>
5189 * Makefile.in, mklibgcc.in: Restore changes with fixed invocation
5192 2001-08-03 Richard Henderson <rth@redhat.com>
5194 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Don't write to
5197 2001-08-03 Richard Henderson <rth@redhat.com>
5199 * rtlanal.c (find_first_parameter_load): Stop if we
5200 reach a CODE_LABEL at BOUNDARY.
5202 2001-08-03 Richard Henderson <rth@redhat.com>
5204 * config/alpha/alpha.md (force_movdi): New insn.
5205 * config/alpha/alpha.c (alpha_expand_prologue): Use it.
5206 Tweek FRP marking of VMS prologue insns.
5207 * config/alpha/vms.h (EPILOGUE_USES): New.
5209 2001-08-02 Richard Henderson <rth@redhat.com>
5211 * Makefile.in, mklibgcc.in: Revert mkinstalldirs change.
5213 2001-08-02 Lars Brinkhoff <lars@nocrew.org>
5215 * combine.c, config.gcc, cse.c, defaults.h, real.c, reload.c,
5216 simplify-rtx.c, config/alpha/alpha.h, config/avr/avr.h,
5217 config/convex/convex.h, config/d30v/d30v.c,
5218 config/d30v/d30v.h, config/dsp16xx/dsp16xx.h,
5219 config/elxsi/elxsi.h, config/fr30/fr30.h, config/m88k/m88k.c,
5220 config/mips/mips.h, config/mn10200/mn10200.h,
5221 config/mn10300/mn10300.h, config/pdp11/pdp11.md,
5222 config/v850/v850.h, config/vax/openbsd.h,
5223 config/vax/openbsd1.h, config/vax/ultrix.h,
5224 config/vax/vax-protos.h, config/vax/vax.c, config/vax/vax.h,
5225 config/vax/vax.md, config/vax/vaxv.h, config/vax/xm-vms.h,
5226 cp/decl2.c, doc/contrib.texi, doc/cpp.texi, doc/gcc.texi,
5227 doc/install.texi, doc/invoke.texi, doc/md.texi, doc/rtl.texi,
5228 doc/tm.texi: consistently use "VAX", "VAXen", and "MicroVAX"
5229 in comments and documentation.
5231 2001-08-03 Neil Booth <neil@cat.daikokuya.demon.co.uk>
5235 * Makefile.in (line-map.o): New.
5236 (LIBCPP_OBJS, LIBCPP_DEPS): Update.
5237 * c-lex.c (cb_file_change): Update for new cpp_file_change structure.
5238 * cpperror.c (print_containing_files): Similarly.
5239 (print_location): Update. Don't output a space before _Pragma.
5240 * cppfiles.c (stack_include_file): Set to line 1 immediately.
5241 (stack_include_filee, cpp_make_system_header): Update.
5242 (_cpp_execute_include): Get logical line number right for calling
5243 as-yet-unterminated #include.
5244 * cpphash.h (struct cpp_reader): Add line_maps.
5245 (_cpp_do_file_change): Update.
5246 * cppinit.c (cpp_create_reader): Initialize line maps.
5247 (cpp_destroy): Destroy line maps.
5248 (cpp_start_read): Get logical line number right.
5249 * cpplex.c (parse_string): Only warn once for multi-line strings.
5250 Use boolean variable for null warning.
5251 * cpplib.c (_cpp_handle_directive): End the directive if it isn't
5253 (do_include_common): End the directive early.
5254 (do_line): Don't warn about out-of-range lines in preprocessed
5255 source. Update. Remove unused variables.
5256 (_cpp_do_file_change): Update for new line mapping.
5257 (pragma_cb): New typedef.
5258 (cpp_register_pragma): Stop looking ahead before calling the
5260 (do_pragma_system_header): End directive early.
5261 (cpp_get_line_maps): New.
5262 (cpp_pop_buffer): Fudge logical line. Update.
5263 * cpplib.h: Include line-map.h
5264 (enum cpp_fc_reason): Remove.
5265 (struct cpp_file_change): Update.
5266 (cpp_get_line_maps): New.
5267 * cppmain.c (struct_printer): New member map.
5268 (cb_file_change): Update for new mappings.
5269 * fix-header.c (cb_file_change): Similarly.
5271 2001-08-02 Nick Clifton <nickc@cambridge.redhat.com>
5273 * Makefile.in (libgcc.mk): Define mkinstalldirs.
5274 * mklibgcc.in: Use mkinstalldirs instead of mkdir.
5276 2001-08-02 Lars Brinkhoff <lars@nocrew.org>
5278 * config/vax/vax.c: include expr.h.
5280 2001-08-02 Nick Clifton <nickc@cambridge.redhat.com>
5282 * Makefile.in ($(srcdir)/configure): Only rebuild in
5284 ($(srcdir)/config.in): Only define in maintainer mode.
5285 ($(srcdir)/cstamp-h.in): Only define in maintainer mode.
5287 2001-08-02 David Edelsohn <edelsohn@gnu.org>
5289 * doc/install.texi (Install GCC: Binaries): Update Bull info.
5291 2001-08-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5293 * gcc.c (set_collect_gcc_options): New function, split out from
5295 Ignore elided switches.
5296 (do_spec_1): Invoke before executing command.
5297 (set_input): Export.
5298 Move declaration ...
5299 * gcc.h (set_input): ... here.
5300 * config/alpha/osf.h (ASM_FINAL_SPEC): Use %U.s to refer to input
5303 2001-08-02 Nathan Sidwell <nathan@codesourcery.com>
5306 * doc/c-tree.texi (Namespaces): Remove std & -fhonor-std
5308 * doc/invoke.texi (C++ Dialect Options): Remove -fno-honor-std.
5310 2001-08-02 Richard Sandiford <rsandifo@redhat.com>
5312 * mips.md (movdicc): Make conditional on TARGET_64BIT. Likewise
5313 for the unnamed instructions it expands to.
5315 2001-08-02 Richard Henderson <rth@redhat.com>
5317 * regclass.c (call_really_used_regs): Conditionally define.
5318 (init_reg_sets_1): Don't use it if not defined.
5319 (fix_register): Similarly, don't set it.
5321 2001-08-01 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
5323 * params.def (PARAM_MAX_INLINE_INSNS): Change default to 600.
5324 Correct comment that had been missed in the previous change.
5326 2001-08-01 Stan Shebs <shebs@apple.com>
5328 * config/darwin.c (machopic_stub_name): Try matching by name.
5329 (update_stubs): New function.
5330 (darwin_encode_section_info): Call it and update_non_lazy_ptrs
5333 2001-08-01 Richard Henderson <rth@redhat.com>
5335 * except.c (output_function_exception_table): Use assemble_align.
5336 * varasm.c (assemble_eh_label): Remove.
5337 (assemble_eh_align, assemble_eh_integer): Remove.
5339 2001-08-01 Robert Lipe <robertl@caldera.com>
5341 * dwarfout.c: Remove reference to README.DWARF.
5343 2001-08-01 Andrew MacLeod <amacleod@redhat.com>
5345 * regclass.c (call_really_used_regs): New array for registers which
5346 are actually used by a call.
5347 (init_reg_sets_1): Initialize regs_invalidated_by_call with the
5349 (fix_register): Set call_really_used too.
5350 * config/ia64/ia64.h (CALL_REALLY_USED_REGISTERS): Initialize.
5351 * doc/tm.texi (CALL_REALLY_USED_REGISTERS): Document.
5353 2001-08-01 Richard Henderson <rth@redhat.com>
5355 * read-rtl.c (read_name): Consider \r whitespace.
5357 2001-07-11 Andrew Cagney <ac131313@redhat.com>
5359 * config.gcc: Recognize powerpc-*-netbsd*.
5361 * doc/install.texi (Host/target specific installation notes for
5362 GCC): Mention powerpc-*-netbsd*.
5364 * config/rs6000/netbsd.h: New file.
5365 (STANDARD_STARTFILE_PREFIX, LINK_SHLIB_SPEC): Redefine.
5366 (LIB_DEFAULT_SPEC, STARTFILE_DEFAULT_SPEC): Redefine.
5367 (ENDFILE_DEFAULT_SPEC, LINK_START_DEFAULT_SPEC): Redefine.
5368 (LINK_OS_DEFAULT_SPEC, CPP_OS_DEFAULT_SPEC): Redefine.
5369 (TARGET_VERSION): Redefine.
5371 * config/rs6000/t-ppccomm (MULTILIB_MATCHES_SYSV): Recognize
5372 mcall-netbsd as a match for mcall-sysv.
5373 (EXTRA_MULTILIB_PARTS): Add ncrti$(objext) and ncrtn$(objext).
5374 (ncrti.S, ncrtn.S): New targets.
5375 ($(T)ncrti$(objext), $(T)ncrtn$(objext)): New targets.
5377 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Recognize
5378 "netbsd' as a V4 ABI.
5379 (ASM_SPEC): Check for -mcall-netbsd.
5380 (CC1_SPEC, CC1_SPEC, LINK_START_SPEC, LINK_OS_SPEC): Ditto.
5381 (CPP_ENDIAN_SPEC, CPP_SPEC, STARTFILE_SPEC): Ditto.
5382 (LIB_SPEC, ENDFILE_SPEC): Ditto.
5383 (LIB_NETBSD_SPEC, STARTFILE_NETBSD_SPEC): Define.
5384 (ENDFILE_NETBSD_SPEC, LINK_START_NETBSD_SPEC): Define.
5385 (LINK_OS_NETBSD_SPEC, CPP_OS_NETBSD_SPEC): Define.
5386 (SUBTARGET_EXTRA_SPECS): Add NetBSD specs.
5388 * doc/invoke.texi (Option Summary): Add -mcall-netbsd.
5389 (RS/6000 and PowerPC Options): Mention -mcall-netbsd.
5391 2001-08-01 Mark Kettenis <kettenis@gnu.org>
5393 * unwind-pe.h (base_of_encoded_value, read_encoded_value): Define
5394 only if NO_BASE_OF_ENCODED_VALUE isn't defined.
5395 * unwind-dw2-fde.c (NO_BASE_OF_ENCODED_VALUE): Define before
5396 including "unwind-pe.h".
5398 Wed Aug 1 20:01:42 CEST 2001 Jan Hubicka <jh@suse.cz>
5400 * rs6000.md (define_splits): Kill unused constraints.
5402 Wed Aug 1 20:02:12 CEST 2001 Graham Stott <grahams@redhat.com>
5403 Jan Hubicka <jh@suse.cz>
5405 * function.c (thread_prologue_and_epilogue_insns): Kill code
5406 dealing with non-existent CFG.
5408 2001-08-01 Kazu Hirata <kazu@hxi.com>
5410 * alias.c: Fix comment formatting.
5411 * bitmap.c: Likewise.
5412 * builtins.c: Likewise.
5413 * calls.c: Likewise.
5414 * c-common.c: Likewise.
5415 * c-decl.c: Likewise.
5416 * c-dump.c: Likewise.
5417 * c-lex.c: Likewise.
5418 * collect2.c: Likewise.
5419 * combine.c: Likewise.
5420 * conflict.c: Likewise.
5421 * cppfiles.c: Likewise.
5422 * cppinit.c: Likewise.
5423 * cpplex.c: Likewise.
5424 * cpplib.c: Likewise.
5425 * cppmacro.c: Likewise.
5426 * cppspec.c: Likewise.
5427 * c-pragma.c: Likewise.
5428 * crtstuff.c: Likewise.
5430 * cselib.c: Likewise.
5431 * c-semantics.c: Likewise.
5432 * c-typeck.c: Likewise.
5434 2001-08-01 H.J. Lu <hjl@gnu.org>
5436 * config/mips/linux.h (ASM_OUTPUT_IDENT): Defined.
5438 2001-08-01 H.J. Lu <hjl@gnu.org>
5440 * gcc/config/mips/linux.h (ASM_OUTPUT_SOURCE_LINE): Defined.
5442 2001-08-01 Ziemowit Laski <zlaski@apple.com>
5444 * c-parse.in (OBJC_NEED_RAW_IDENTIFIER): Define macro and flag for
5445 contextualizing Objective-C class name lookup by the lexer.
5446 (typespec_reserved_nonattr): Disable ObjC class name lookup after
5448 (protocoldef): Add support for forward @protocol declarations.
5449 (yylexname): Suppress ObjC class name lookup in certain contexts;
5450 re-enable after lookup is complete.
5451 (_yylex): Re-enable ObjC class name lookup when certain
5452 punctuation marks are seen.
5454 * objc/objc-act.c (check_protocol_recursively): New function used
5455 for finding circular dependencies in protocols.
5456 (objc_declare_protocols): New function for handling forward
5457 @protocol declarations.
5458 (receiver_is_class_object): Detect the case when 'self' is used
5459 inside of a class method.
5460 (build_message_expr): Issue a warning if class method is desired
5461 but instance method is found instead.
5462 (conforms_to_protocol): Streamline.
5463 (objc_comptypes): Detect the fact that 'Bar<Foo> foo' conforms to
5464 protocol Foo, even if 'Bar foo' does not.
5465 (check_protocols): Streamline.
5466 (start_protocol): Add checks for circular and duplicate protocol
5468 (encode_aggregate_within): For typedefs of structs, encode the
5470 * objc/objc-act.h (PROTOCOL_DEFINED): New tree accessor.
5471 (objc_declare_protocols): New prototype.
5473 2001-08-01 Neil Booth <neil@cat.daikokuya.demon.co.uk>
5475 * cpphash.h (struct cpp_reader): New members line, pseudo_newlines.
5476 * cpplex.c (handle_newline): Update prototype. Maintain logical
5478 (skip_escaped_newlines, skip_block_comment, parse_string):
5480 (_cpp_lex_token): Update, and store token position within the token.
5481 * cpplib.h (struct cpp_token): Add line and column entries.
5482 * cppmacro.c (replace_args): Position stringified tokens correctly.
5484 2001-08-01 Andreas Jaeger <aj@suse.de>
5486 * basic-block.h: Add prototype for last_loop_beg_note.
5488 2001-07-31 Alexandre Petit-Bianco <apbianco@redhat.com>
5490 * expr.c (safe_from_p): Use WITH_CLEANUP_EXPR_RTL instead of
5491 RTL_EXPR_RTL while handling WITH_CLEANUP_EXPR nodes. Fixed typo in
5493 (expand_expr): Use WITH_CLEANUP_EXPR_RTL instead of RTL_EXPR_RTL
5494 while handling WITH_CLEANUP_EXPR node. Use second operand calling
5495 expand_decl_cleanup.
5496 * tree.c (firt_rtl_op): The third operand of WITH_CLEANUP_EXPR is
5498 (simple_cst_equal): WITH_CLEANUP_EXPR node to use its second
5499 operand while calling simple_cst_equal.
5500 * tree.def (WITH_CLEANUP_EXPR): Switched operands: the second
5501 operand is the cleanup expression, the third is the RTL_EXPR.
5502 * tree.h (WITH_CLEANUP_EXPR_RTL): New macro.
5504 2001-07-31 Jeff Sturm <jsturm@one-point.com>
5506 * except.c (duplicate_eh_regions): Test n_array[i] for NULL.
5508 2001-07-31 matthew green <mrg@eterna.com.au>
5510 * config.gcc (i386-*-netbsdelf): New description.
5511 * config/i386/netbsd-elf.h: New file.
5513 2001-07-30 Geoffrey Keating <geoffk@redhat.com>
5515 * loop.c (check_dbra_loop): Use single_set to compute
5518 2001-07-31 Daniel Berlin <dan@cgsoftware.com>
5520 PowerPC reorg and support for powerpc64-*-linux*.
5522 Also fixes emitting of constants on 32 bit and 64 bit
5525 * config.gcc: powerpc64-*-linux* is a new target.
5526 Things that needed aix.h now also include xcoff.h
5528 * config/rs6000/rs6000.h: Split XCOFF specific stuff into
5530 Move AIX specific stuff into aix.h.
5531 (TARGET_AIX): Renamed to TARGET_XCOFF, since the AIX ABI is used
5532 with more than just XCOFF now.
5533 (SET_ASM_OP): Remove, now defined where needed.
5534 (FUNCTION_PROLOGUE): New macro definition.
5535 (FUNCTION_EPILOGUE): New macro definition.
5536 (ASM_OPEN_PAREN, ASM_CLOSE_PAREN): New macro definition.
5538 * config/rs6000/xcoff.h: New file.
5540 * config/rs6000/linux64.h: New file.
5542 * config/rs6000/darwin.h: Copy needed AIX alignment definitions.
5544 2001-07-31 Alan Modra <amodra@bigpond.net.au>
5546 * rs6000.c (print_operand_address): Handle ELF syntax.
5547 (output_toc): Simplify. Use DOUBLE_INT_ASM_OP.
5548 * rs6000.md (load_toc_aix_di): Handle ELF syntax.
5549 * rs6000.h (ASM_OUTPUT_DOUBLE_INT, ASM_LONG): Use DOUBLE_INT_ASM_OP.
5551 2001-07-31 David Edelsohn <edelsohn@gnu.org>
5553 * rs6000.c (rs6000_override_options): Only disable
5554 flag_function_sections for XCOFF.
5555 (exact_log2_cint_operand): New predicate.
5556 (reg_or_{add,sub}_cint64_operand): New predicates.
5557 (add_operand): Compare CONST_INT with fewer function calls.
5558 (rs6000_emit_set_const, rs6000_emit_set_long_const): New functions.
5559 (print_operand, case 'p'): Ensure positive operand.
5560 (rs6000_emit_load_toc_table): No load_toc_v4_pic_di.
5561 * rs6000.h (CONST_OK_FOR_LETTER_P, case 'N'): Ensure positive value.
5562 (PREDICATE_CODES): Add new predicates.
5563 * rs6000.md (addsi3): Split 32-bit constants more correctly.
5564 (divsi3, modsi3): Ensure positive power-of-2.
5565 (adddi3): Use new predicate. Split 32-bit constants more
5566 correctly. Re-arrange splitter to handle any constant.
5567 (subdi3): Use new predicate.
5568 (divdi3, moddi3): Ensure positive power-of-2.
5569 (movdi): Use rs6000_emit_set_const.
5570 (load_toc_v4_pic_di): Delete.
5572 2001-07-31 Graham Stott <grahams@redhat.com>
5574 * function.c (pad_below): Revert 2001-07-26 patch.
5576 Tue Jul 31 15:37:35 CEST 2001 Jan Hubicka <jh@suse.cz>
5578 * reg-stack (convert_regs_1): Fix best edge condition.
5580 Tue Jul 31 15:33:27 CEST 2001 Jan Hubicka <jh@suse.cz>
5582 * jump.c (duplicate_loop_exit_test): Better test for jumps
5583 entering the loop; create loop pre_header.
5585 2001-07-31 Hartmut Penner <hpenner@de.ibm.com>
5587 * doc/install.texi: Add s390 and s390x as new targets.
5588 * doc/invoke.texi: Add documantation of S/390 and zSeries
5590 * doc/md.texi: Add documantation of S/390 and zSeries constraints.
5592 2001-07-30 Roman Zippel <zippel@linux-m68k.org>
5594 * config/m68k/m68k.md: Replace all general_operand with
5595 nonimmediate_operand for all destinations.
5596 * config/m68k/m68k.c (not_sp_operand): Likewise.
5598 Mon Jul 30 23:20:34 EDT 2001 John Wehle (john@feith.com)
5600 * flow.c (merge_blocks): Return 1 if an extra jump is inserted.
5602 2001-07-30 Richard Henderson <rth@redhat.com>
5604 * config/ia64/ia64.h (DEBUG_RANGES_SECTION): New.
5605 * config/mips/iris6.h (DEBUG_RANGES_SECTION): New.
5607 2001-07-30 Roman Zippel <zippel@linux-m68k.org>
5609 * config/m68k/m68k.h (TARGET_SWITCHES/TARGET_OPTIONS):
5610 Add missing doc strings
5611 * config/m68k/linux-aout.h (SUBTARGET_SWITCHES): Likewise
5612 * config/m68k/linux.h (SUBTARGET_SWITCHES): Likewise
5614 Mon Jul 30 22:16:08 CEST 2001 Jan Hubicka <jh@suse.cz>
5616 * i386.c (ix86_output_main_function_alignment_hack): New function.
5617 (TARGET_ASM_FUNCTION_PROLOGUE): Default to it.
5619 * flow.c (mark_dfs_back_edges): Move from loop_p ; mark back
5620 edges by EDGE_DFS_BACK flag.
5621 (dump_edge_info): Add dfs_back flag.
5622 * basic-block.h (EDGE_DFS_BACK): New constant.
5623 (mark_dfs_back_edges): Declare.
5624 * alias.c (loop_p): Remove.
5625 (mark_constant_function): Use mark_dfs_back_edges.
5627 * reg-stack.c (block_info_def): Add predecesors counter and stack_out.
5628 (reg_to_stack): Call mark_dfs_back_edges; count the predecesors.
5629 (compensate_edge): Break out from ...
5630 (convert_regs_1): ... here; do smart choosing of stack_out to copy.
5631 (convert_regs_2): Set block_done once block is really done;
5632 Do updating of the predecesors counts.
5634 * toplev.c (rest_of_compilation): Recompute block_for_insn
5635 before post-reload cfg_cleanup.
5636 * function.c (thread_prologue_epilogue_insns):
5637 Call set_block_for_new_insns when emitting prologue directly.
5639 2001-07-30 Andreas Jaeger <aj@suse.de>
5641 * jump.c: Add prototype for mark_modified_reg.
5643 * cse.c (set_live_p): Add unused attribute.
5645 * gcov.c (calculate_branch_probs): Use gcov_type to avoid
5647 (scan_for_source_files): Use long for count to avoid overflow.
5648 (output_data): Likewise.
5649 (output_data): Don't use string concatatenation to silence gcc
5652 * predict.c: Fix typos and grammar.
5654 * gcse.c (insert_insn_end_bb): Remove unused variables.
5656 Mon Jul 30 21:54:53 CEST 2001 Jan Hubicka <jh@suse.cz>
5658 * flow.c (mark_set_1): Use REG_FREQ_FROM_BB.
5659 (attempt_auto_inc): LIkewise.
5660 (mark_used_reg): Likewise.
5661 (try_pre_increment_1): Likewise.
5662 * regclass.c (regclass): Likewise.
5663 * global.c (allocno_compare): Update comment; change scaling factor.
5664 * local-alloc.c (QTY_CMP_PRI): Likewise.
5665 * regs.h (REG_FREQ_FROM_BB): New.
5666 (REG_FREQ_MAX): Likewise.
5668 2001-07-30 H.J. Lu <hjl@gnu.org>
5670 * config/mips/linux.h (CPLUSPLUS_CPP_SPEC): Add
5673 2001-07-30 H.J. Lu (hjl@gnu.org)
5675 * config/mips/linux.h (ASM_DECLARE_FUNCTION_NAME): Defined.
5676 (ASM_DECLARE_FUNCTION_SIZE): Likewise.
5677 (FUNCTION_NAME_ALREADY_DECLARED): Likewise.
5679 2001-07-30 Nick Clifton <nickc@cambridge.redhat.com>
5681 * config/arm/t-arm-elf (MULTILIB_EXCEPTIONS): Skip -mthumb as well
5682 as -mthumb-interwork when -mcpu=arm7 is specified.
5684 Mon Jul 30 17:44:43 CEST 2001 Jan Hubicka <jh@suse.cz>
5686 * predict.def (noreturn, loop branch, loop exit): Mark as first
5689 Mon Jul 30 12:52:11 CEST 2001 Jan Hubicka <jh@suse.cz>
5691 * combine.c (try_combine): Avoid barrier after noop jumps.
5693 2001-07-29 Neil Booth <neil@cat.daikokuya.demon.co.uk>
5695 * cpphash.h (struct cpp_reader): Remove import_warning.
5696 * cpplib.c (skip_rest_of_line): Don't bother turning off
5698 (parse_include): Move include handling to...
5699 (do_include_common): ... here. Move import warning from...
5700 (do_import): ... here.
5701 (do_pragma_poison): Don't do a callback for poison identifiers.
5702 * cpplib.h (struct cpp_callbacks): Don't do poison callbacks.
5703 * cppmain.c (setup_callbacks): Similarly.
5705 Sun Jul 29 23:26:50 CEST 2001 Jan Hubicka <jh@suse.cz>
5707 * rtlanal.c (parms_set, find_first_parameter_load): Break out from...;
5708 handle multiple sets.
5709 * except.c (sjlj_mark_call_sites): .... here.
5710 * gcse.c (insert_insn_end_bb): Use find_first_parameter_load.
5712 Sun Jul 29 21:38:45 CEST 2001 Jan Hubicka <jh@suse.cz>
5714 Suggested by Richard Henderson and Richard Kenner:
5715 * combine.c (recog_for_combine): Use the fake recog
5716 only if instruction does not match.
5717 * rtl.h (NOOP_MOVE_INSN_CODE): New.
5718 * rtlanal.c (noop_move_p): Always return 1 for NOOP_MOVE_INSN_CODE.
5720 * combine.c (try_combine): Discover noop jump as direct jump.
5722 2001-07-29 Daniel Berlin <dan@cgsoftware.com>
5724 * df.c (df_rd_global_compute): Add successors to worklist, not
5726 (df_ru_global_compute): Ditto.
5728 2001-07-27 Daniel Berlin <dan@cgsoftware.com>
5730 * regclass.c (reg_scan_mark_refs): Increment REG_N_REFS when we
5731 increment REG_N_SETS.
5733 2001-07-26 Daniel Berlin <dan@cgsoftware.com>
5735 * sbitmap.h: New prototype for sbitmap_a_xor_b.
5737 * sbitmap.c (sbitmap_a_xor_b): New function.
5738 ifdef the basic block stuff on IN_GCC.
5740 2001-07-29 Neil Booth <neil@cat.daikokuya.demon.co.uk>
5742 * cppexp.c (parse_defined): Always record the macro name.
5743 (lex): Don't worry about identifiers, or special-case
5745 (_cpp_parse_expr): Figure out at the end of the routine
5746 whether we saw a valid !defined() expression.
5747 * cppfiles.c (stack_include_file): Update for mi_valid.
5748 (_cpp_pop_file_buffer): Similarly.
5749 * cpplex.c (_cpp_lex_token): Similarly.
5750 * cpphash.h (enum mi_state, enum mi_ind, mi_state,
5751 mi_if_not_defined, mi_lexed): Remove.
5753 * cpplib.c (do_if): Simplify.
5754 (do_endif, push_conditional, _cpp_handle_directive): Update
5755 for renaming of mi_state to mi_valid.
5757 * cpp.texi: Add index entries for digraphs, and add comment
5758 that C++ refers to them as alternative tokens.
5760 Sun Jul 29 18:59:13 CEST 2001 Jan Hubicka <jh@suse.cz>
5762 * basic-block.h (CLEANUP_PRE_LOOP): New.
5763 * except.c (finish_eh_generation): Update call of cleanup_cfg.
5764 * sibcall.c (optimize_sibling_calls): Likewise.
5765 * toplev.c (rest_of_compilation): Likewise.
5766 * flow.c (try_forward_edges): Take argument MODE;
5767 do not forward over loop pre-headers if CLEANUP_PRE_LOOP.
5768 (try_optimize_cfg): Update call of try_forward_edges.
5770 Sun Jul 29 18:59:56 CEST 2001 Roman Zippel <zippel@linux-m68k.org>
5771 Jan Hubicka <jh@suse.cz>
5773 * (validate_replace_rtx_1): Fix simplification of MINUS.
5775 2001-07-29 Neil Booth <neil@daikokuya.demon.co.uk>
5777 PR preprocessor/3669
5778 * cppinit.c (init_dependency_output): Turn off dump requests
5779 if sending dependencies to stdout.
5781 2001-07-28 Richard Henderson <rth@redhat.com>
5783 * flow.c (life_analysis): Elide PROP_ALLOW_CFG_CHANGES if
5786 2001-07-28 Golubev I. N. <gin@mo.msk.ru>
5788 * config/i386/sco5.h (DWARF2_DEBUGGING_INFO): Define.
5790 2001-07-28 Kazu Hirata <kazu@hxi.com>
5792 * config/h8300/h8300.h (ENCODE_SECTION_INFO): Check to see if DECL
5793 is VAR_DECL first to prevent an ICE.
5795 2001-07-28 Richard Henderson <rth@redhat.com>
5797 * varasm.c (immed_real_const_1): Don't elide special cases for
5799 (clear_const_double_mem): Clear const_tiny_rtx too.
5801 2001-07-28 Richard Henderson <rth@redhat.com>
5803 * dwarf2out.c (dw_val_class_offset): New.
5804 (struct dw_ranges_struct, dw_ranges_ref): New.
5805 (ranges_table, ranges_table_allocated): New.
5806 (ranges_table_in_use, RANGES_TABLE_INCREMENT): New.
5807 (add_AT_offset, add_ranges, output_ranges): New.
5808 (print_die, output_die): Handle dw_val_class_offset.
5809 (attr_checksum, size_of_die, value_format): Likewise.
5810 (gen_lexical_block_die): Handle non-contiguous blocks.
5811 (gen_block_die): Likewise.
5812 (dwarf2out_finish): Add a DW_AT_entry_pc to the compilation unit
5813 if needed. Dump the ranges table.
5814 * final.c (final_start_function): Remove unnecessary notes and
5815 rebuild the block tree before numbering the blocks.
5816 * function.c (reorder_blocks_0): Walk the existing block tree
5817 to unmark all blocks.
5818 (reorder_blocks_1): Create block fragments when duplicate block
5820 (reorder_fix_fragments): New.
5821 (reorder_blocks): Call it.
5822 * tree.h (BLOCK_FRAGMENT_ORIGIN, BLOCK_FRAGMENT_CHAIN): New.
5824 2001-07-28 Richard Henderson <rth@redhat.com>
5826 * emit-rtl.c (adjust_address): Make a copy of the memory address.
5828 2001-07-28 Richard Henderson <rth@redhat.com>
5830 * flow.c (add_to_mem_set_list): New function.
5831 (init_propagate_block_info): Use it.
5832 (mark_set_1): Likewise.
5833 (insn_dead_p): Canonicalize memory address for dead store
5834 comparison. Allow wider mode stores to kill narrower mode stores.
5835 (invalidate_mems_from_autoinc): Use invalidate_mems_from_set.
5836 (invalidate_mems_from_set): Don't handle MEMs.
5838 2001-07-28 Kazu Hirata <kazu@hxi.com>
5840 * config/h8300/h8300.h: Fix formatting.
5842 Sat Jul 28 23:35:22 CEST 2001 Jan Hubicka <jh@suse.cz>
5844 * basic-block.h (EDGE_FREQUENCY): New macro.
5845 * bb-reorder (fixup_reorder_chain): Set counts and frequencies
5847 * flow.c (find_sub_basic_blocks): Likewise.
5848 (try_crossjump_to_edge): Likewise; use EDGE_FREQUENCY
5849 (redirect_edge_and_branch): Use EDGE_FREQUENCY.
5851 * predict.c (DEF_PREDICTOR): New argument FLAGS.
5852 (HITRATE): New macro.
5853 (PRED_FLAG_FIRST_MATCH): New constant.
5854 (predictor_info): New field flgags.
5855 (combine_predictions_for_insn): Use DS theory to combine
5856 probabilities; set the edge probabilities when finished.
5857 (estimate_probability): Avoid duplicated matches
5858 of LOOP_BRANCH heuristics for nested loops; update comment.
5859 * predict.def: Add flags for each prediction, set probabilities
5860 according to B&L paper.
5861 * predict.h (DEF_PREDICTOR): New argument FLAGS.
5863 * profile.c (compute_branch_probabilities): Cleanup way the edge
5864 probabilities are computed and REG_BR_PROB notes are dropped; if
5865 values does not match, emit error.
5866 (init_branch_prob): Do error instead of warning when profile driven
5867 feedback is missing or corrupt.
5869 2001-07-27 DJ Delorie <dj@redhat.com>
5871 * ifcvt.c (noce_get_alt_condition): If the condition is a compare
5872 against a constant, try to adjust the compare to have the desired
5873 constant in it so that min/max optimizations happen more often.
5875 Fri Jul 27 17:53:00 CEST 2001 Jan Hubicka <jh@suse.cz>
5877 * flow.c (last_loop_beg_note): New function.
5878 (redirect_edge_and_branch): Use it.
5879 (split_edge): Likewise.
5881 * alias.c (loop_p): Avoid uninitialized memory access.
5883 * flow.c (try_forward_edges): Avoid accessing freed memory.
5885 * flow.c (backward_edge_of_syntactic_loop_p): Avoid uninitialized
5888 2001-07-26 Andrew Haley <aph@redhat.com>
5889 Joern Rennecke <amylaar@redhat.com>
5891 * config/sh/linux.h (CPP_DEFAULT_CPU_SPEC): New.
5892 (SUBTARGET_CPP_ENDIAN_SPEC): New.
5893 (SUBTARGET_CPP_SPEC): New.
5895 * config/sh/sh.h (SUBTARGET_CPP_ENDIAN_SPEC): New.
5896 (SUBTARGET_CPP_PTR_SPEC): New.
5897 (CPP_DEFAULT_CPU_SPEC): New.
5898 (EXTRA_SPECS): Add SUBTARGET_CPP_ENDIAN_SPEC,
5899 SUBTARGET_CPP_PTR_SPEC, and CPP_DEFAULT_CPU_SPEC.
5900 (CPP_SPEC): Break out parts into SUBTARGET_CPP_ENDIAN_SPEC,
5901 SUBTARGET_CPP_PTR_SPEC, and CPP_DEFAULT_CPU_SPEC.
5902 (SUBTARGET_CPP_SPEC): Define as an empty string.
5904 2001-07-27 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
5906 * doc/install.texi (Configuration): Properly link the host
5907 specific instructions also when generating HTML.
5909 Fri Jul 27 00:33:35 EDT 2001 John Wehle (john@feith.com)
5911 * flow.c (redirect_edge_and_branch_force): Test
5912 target->global_live_at_start.
5914 2001-07-26 Richard Henderson <rth@redhat.com>
5916 * simplify-rtx.c (avoid_constant_pool_reference): Export.
5917 * rtl.h (avoid_constant_pool_reference): Declare it.
5918 * dwarf2out.c (add_location_or_const_value_attribute): Use it.
5919 (add_const_value_attribute): Use add_AT_unsigned for unsigned values.
5921 Thu Jul 26 22:30:22 CEST 2001 Jan Hubicka <jh@suse.cz>
5923 * rtl.h (cleanup_barriers): Declare.
5924 * jump.c (cleanup_barriers): New function.
5925 * toplev.c (rest_of_compilation): Call cleanup_barriers
5926 before loop optimizer and after bb_reorder.
5928 * flow.c (back_edge_of_syntactic_loop_p): New.
5929 (split_edge): Use it.
5931 2001-07-26 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5933 * glimits.h (_MACH_MACHLIMITS_H_): Delete.
5935 Thu Jul 26 22:22:21 2001 Denis Chertykov <denisc@overta.ru>
5937 * cse.c (cse_process_notes): Replace any registers if the address
5940 Thu Jul 26 14:04:03 EDT 2001 John Wehle (john@feith.com)
5942 * basic-block.h (PROP_ALLOW_CFG_CHANGES): Define.
5943 (PROP_FINAL): Include PROP_ALLOW_CFG_CHANGES.
5944 (propagate_block): Update prototype.
5945 * flow.c (update_life_info): Simplify the CFG and
5946 recalculate the global regs which are alive when
5947 removing dead code during a global update.
5948 (propagate_block): Return non-zero if an INSN is
5951 2001-07-26 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5953 * Makefile.in (LIBICONV): Define.
5955 2001-07-26 Catherine Moore <clm@redhat.com>
5957 * config/v850/v850.h (ENCODE_SECTION_INFO): Change order
5958 of conditional to avoid tree checking errors.
5960 2001-07-26 Kazu Hirata <kazu@hxi.com>
5962 * regmove.c (regmove_optimize): Don't replace a reg with
5963 another reg of a different mode.
5965 2001-07-26 Andrew MacLeod <amacleod@redhat.com>
5967 * params.def (PARAM_MAX_PENDING_LIST_LENGTH): Add parameter to
5968 limit length of dependancy flush list.
5969 * params.h (MAX_PENDING_LIST_LENGTH): Define.
5970 * sched-int.h (struct deps): Add pending_flush_length field.
5971 * sched-deps.c (flush_pending_lists): Last_pending_memory_flush now
5972 has 1 element in it.
5973 (sched_analyze_1): Use MAX_PENDING_LIST_LENGTH.
5974 (sched_analyze): After a jump, if the pending memory flush list is too
5975 large, flush the pending lists.
5976 (init_deps): Initialize pending_flush_length to 0.
5977 * doc/invoke.texi (max_pending_list_length): Document parameter.
5979 2001-07-26 Neil Booth <neil@daikokuya.demon.co.uk>
5981 * toplev.c, varasm.c, final.c: Include xcoffout.h if appropriate.
5982 * dbxout.c (dbxout_global_decl): Move outside #ifdef.
5983 * Makefile.in (varasm.o, final.o, toplev.o): Update dependencies.
5985 2001-07-26 Neil Booth <neil@cat.daikokuya.demon.co.uk>
5987 * cpphash.h (struct_lexer_state): Delete was_skipping.
5988 Move skipping here from struct cpp_reader.
5989 * cpplex.c (parse_identifier): Update.
5990 (_cpp_lex_token): Don't skip tokens in a directive.
5991 * cpplib.c (struct if_stack): Update.
5992 (start_directive, end_directive): Don't change skipping state.
5993 (_cpp_handle_directive): Update.
5994 (do_ifdef, do_ifndef, do_if, do_elif): Similarly.
5995 (do_else, do_endif): Update; only check for excess tokens if not
5996 in a skipped conditional block.
5997 (push_conditional): Update for new struct if_stack.
5999 2001-07-26 Graham Stott <grahams@redhat.com>
6001 * function.c (locate_and_pad_parm): Also pad initial offset
6002 so that the total argument size also includes the padding.
6004 2001-07-26 Graham Stott <grahams@redhat.com>
6006 * gensupport.c (alter_output_for_insn): Correct enable checking failure
6007 change XSTR to XTMPL.
6009 (process_one_cond_exec): Likewise
6011 2001-07-25 Richard Henderson <rth@redhat.com>
6013 * varasm.c (assemble_variable): Create DECL_RTL before setting
6016 Thu Jul 26 00:19:30 CEST 2001 Jan Hubicka <jh@suse.cz>
6018 * predict.c (estimate_probability): Avoid duplicated predictions.
6020 * loop.c (find_and_verify_loops): Grok multiple barriers.
6022 Wed Jul 25 18:00:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6024 * config/alpha/alpha.c (print_operand, case '/'): Don't write '/'.
6026 * dbxout.c: Consistently use putc instead of fputc.
6027 (print_wide_int): New function; call instead of direct fprintf.
6028 (dbxout_type_index): Adjust calls of CHARS to be more accurate.
6029 (dbxout_type_fields, dbxout_type_method_1): Likewise.
6030 (dbxout_type_methods, dbxout_range_type, dbxout_type): Likewise.
6031 (print_int_cst_octal): Likewise.
6032 (print_octal): Show we wrote characters.
6033 (dbxout_type): Set have_used_extensions in more places.
6035 2001-07-25 Catherine Moore <clm@redhat.com>
6037 * config/v850/v850.c (v850_va_arg): Use addr
6038 instead of valist to build incr.
6040 Wed Jul 25 22:48:59 CEST 2001 Jan Hubicka <jh@suse.cz>
6042 * flow.c (delete_dead_jumptables): New function.
6043 (life_analyzis): Call it.
6044 * bb-reorder.c (skip_insns_after_block): Handle contradictory
6047 2001-07-25 Richard Henderson <rth@redhat.com>
6049 * except.c (reachable_handlers): Handle a region being removed
6050 out from under a RESX.
6052 2001-07-25 Richard Henderson <rth@redhat.com>
6054 * config/alpha/alpha.c (alpha_emit_conditional_move): Always
6055 swap GE/GT if it is an fp comparison.
6057 2001-07-25 Andrew Haley <aph@cambridge.redhat.com>
6059 * alias.c (rtx_equal_for_memref_p): Allow strings as types in
6062 Wed Jul 25 08:25:01 2001 Jeffrey A Law (law@cygnus.com)
6064 * ssa.c (rename_insn_1): Do not wrap an assignment to a
6065 paradoxical SUBREG inside a SEQUENCE. Fix minor formatting
6068 * ssa-ccp.c (visit_expression): Handle CALL_INSNs that can
6070 (visit_expression): When attempting to simplify an expression,
6071 retrieve any modes for arguments before they are simplified
6074 2001-07-25 Andrew MacLeod <amacleod@redhat.com>
6075 Janis Johnson <janis@us.ibm.com>
6077 * stmt.c (expand_goto): A nonlocal goto can be a call too.
6078 * builtins.c (expand_builtin_longjmp): Reverse label and static chain
6079 pointer parameters to match documented usage of nonlocal_goto.
6080 * config/ia64/ia64.md (nonlocal_goto): Revert label and static chain
6081 parameters to their correct order.
6082 * config/sparc/sparc.md (nonlocal_goto): Revert label and static chain
6083 parameters to their correct order.
6085 2001-07-25 Andrew MacLeod <amacleod@redhat.com>
6087 * config/ia64/ia64.h (STRIP_NAME_ENCODING): Strip out '*' as well.
6089 2001-07-25 Jan Hubicka <jh@suse.cz>
6090 Richard Henderson <rth@redhat.com>
6092 * flow.c (find_sub_basic_blocks): Fix handling of the last BB in
6094 (make_edges): New argument update_p; populate the edge cache if set.
6095 (find_basic_blocks): Update make_edges invocation.
6097 2001-07-24 Joel Sherrill <joel@OARcorp.com>
6099 * config/i960/i960.h (CPP_SPEC): Define _SOFT_FLOAT for -msoft-float.
6101 2001-07-24 Joel Sherrill <joel@OARcorp.com>
6103 * config/sparc/rtems.h (CPP_PREDEFINES): Remove redundant
6104 -Acpu and -Amachine.h.
6105 * config/sparc/rtemself.h (CPP_PREDEFINES): Likewise.
6106 Corrected header to say ELF not a.out.
6107 * config/sparc/sparc.h (CPP_CPU_SPEC): Define _SOFT_FLOAT
6108 when given -msoft-float.
6110 2001-07-24 Joel Sherrill <joel@OARcorp.com>
6112 * config.gcc (arm*-*-rtems*): Include crtinit.o and crtfini.o as
6113 extra multilib parts like arm-elf.
6114 (i960-*-coff*, i960-*-rtems): Should not use collect2.
6115 (m68020-*-elf*, m68k-*-elf*, m68k-*-rtems*): Include crtinit.o and
6116 crtfini.o as extra multilib parts.
6118 2001-07-24 Joel Sherrill <joel@OARcorp.com>
6120 * configure.in: Add rtems as a supported thread model.
6121 * gthr-rtems.h: Add missing entry point __gthread_active_p.
6122 * configure: Rebuilt.
6124 2001-07-24 Lars Brinkhoff <lars@nocrew.org>
6126 * stor-layout.c (get_mode_alignment): make it work when
6127 BITS_PER_UNIT is not a power of two.
6128 * builtins.c (get_pointer_alignment): Likewise.
6130 2001-07-24 Richard Henderson <rth@redhat.com>
6132 * simplify-rtx.c (avoid_constant_pool_reference): Coerce
6133 the retrieved constant into the expected mode.
6135 Wed Jul 25 01:41:27 CEST 2001 Jan Hubicka <jh@suse.cz>
6137 * flow.c (try_simplify_condjump): Avoid duplicated edges.
6138 (verify_flow_info): Check for duplicated edges; clarify
6141 * flow.c (block_label): Update basic_block_for_insn.
6142 (commit_edge_insertions): Call compute_bb_for_insn.
6144 * flow.c (purge_dead_edges): Handle conditional jumps and conditional
6147 * flow.c (redirect_edge_and_branch,
6148 try_optimize_cfg): Use redirect_edge_succ_nodup
6149 (redirect_edge_succ_nodup): New.
6150 * basic_block.h (redirect_edge_succ_nodup): Declare.
6152 * toplev.c (rest_of_compilation): Rebuild CFG before cfg_cleanup
6155 Wed Jul 25 00:32:49 CEST 2001 Jan Hubicka <jh@suse.cz>
6157 * flow.c (try_forward_edges): Accept fallthru edge; Update comment.
6158 (try_crossjump_to_edge): Update commetns.
6159 (try_crossjump_bb): Likewise.
6161 2001-07-24 Richard Henderson <rth@redhat.com>
6163 * combine.c (distribute_notes): Move set of need_refresh
6164 for noop_move_p down to catch all cases.
6166 Tue Jul 24 20:32:44 CEST 2001 Jan Hubicka <jh@suse.cz>
6168 * recog.c (split_all_insns_noflow): New.
6169 * rtl.h (split_all_insns_noflow): Declare.
6170 * ia64.c (ia64_reorg): Use split_all_insns_noflow.
6171 * m68hc11.c (m68hc11_reorg): Likewise.
6172 * sh.c (machine_dependent_reorg): Likewise.
6173 * toplev.c (rest_of_compilation): Likewise for last split_all_insns
6176 2001-07-18 Andrew Haley <aph@cambridge.redhat.com>
6178 * config/sh/sh.md (ashlsi3_std splitter): Split only after reload.
6179 (ashlsi3_n splitter): Likewise.
6180 (lshrsi3_n splitter): Likewise.
6182 (GOTaddr2picreg): Make const SImode.
6183 (sym_label2reg): Likewise.
6184 (symGOT2reg): Likewise.
6185 (symGOTOFF2reg) Likewise.
6187 (casesi_worker_0): Make unspec SImode.
6189 2001-07-18 Andrew Haley <aph@cambridge.redhat.com>
6191 * config/sh/sh.c (barrier_align): Check that an operand really is
6192 an insn before extracting its INSN_CODE.
6194 2001-07-24 Andrew Haley <aph@cambridge.redhat.com>
6196 * config/sh/sh.h (OVERRIDE_OPTIONS): Add braces to get rid of
6199 * config/sh/sh.h (INITIALIZE_TRAMPOLINE): Truncate operands
6200 for SImode to prevent overflow.
6202 2001-07-24 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6204 * config/mips/irix6-libc-compat.c: New file.
6205 * config/mips/t-iris6 (LIB2FUNCS_STATIC_EXTRA): Use it.
6206 * doc/install.texi (Specific, mips*-sgi-irix6): Mention structure
6209 2001-07-24 lars brinkhoff <lars@nocrew.org>
6211 * rtl.texi (REG_POINTER): Document.
6212 (Machine Modes): Document BImode, OImode, PQImode, PHImode,
6213 QFmode, HFmode, TQFmode, QCmode, and HCmode.
6215 Tue Jul 24 10:49:40 CEST 2001 Jan Hubicka <jh@suse.cz>
6217 * flow.c (delete_noop_moves): Do not confuse libcall regions.
6219 2001-07-23 Richard Henderson <rth@redhat.com>
6221 * flow.c (try_simplify_condjump): Use tidy_fallthru_edge.
6223 2001-07-23 Kazu Hirata <kazu@hxi.com>
6225 * config/h8300/h8300-protos.h: Add a prototype for
6226 general_operand_dst_push.
6227 * config/h8300/h8300.c (general_operand_dst_push): New.
6228 * config/h8300/h8300.h (OK_FOR_T): New.
6229 (EXTRA_CONSTRAINT): Use it.
6230 * config/h8300/h8300.md (movqi_push): Remove and integrate into
6231 the existing movqi pattern.
6232 (movhi_push): Likewise.
6234 * reload.c: Fix comment typos.
6236 Mon Jul 23 23:34:07 CEST 2001 Jan Hubicka <jh@suse.cz>
6238 * gcse.c (cprop_insn): Update call of cprop_cc0_jump.
6240 2001-07-23 H.J. Lu (hjl@gnu.org)
6242 * doc/extend.texi: Update __builtin_return_address and
6243 __builtin_frame_address.
6245 2001-07-23 Richard Henderson <rth@redhat.com>
6247 * config/i386/i386.c (ix86_expand_setcc): Don't use method 0
6249 * config/i386/i386.md: New setcc+movzbl peephole2.
6251 2001-07-23 Neil Booth <neil@cat.daikokuya.demon.co.uk>
6253 * objc/Make-lang.in (objc-act.o): Depend on debug.h.
6254 * objc/objc-act.c: Include debug.h.
6255 (synth_module_prologue): Save and restore debug hooks too.
6257 2001-07-23 lars brinkhoff <lars@nocrew.org>
6259 * tm.texi (TARGET_FLOAT_FORMAT): Document IBM_FLOAT_FORMAT
6260 and C4X_FLOAT_FORMAT.
6261 (BOOL_TYPE_SIZE): Document.
6263 Mon Jul 23 11:54:23 2001 Clinton Popetz <cpopetz@cpopetz.com>
6265 * unroll.c (loop_iterations): Fix miscalculation of initial
6268 2001-07-13 Andrew Haley <aph@redhat.com>
6270 * doc/tm.texi (MD_CAN_REDIRECT_BRANCH): New macro.
6271 * config/sh/sh.h (MD_CAN_REDIRECT_BRANCH): New macro.
6272 * config/sh/sh.c (sh_can_redirect_branch): New function.
6273 * config/sh/sh-protos.h (sh_can_redirect_branch): Declare.
6274 * reorg.c (steal_delay_list_from_target): Use
6275 MD_CAN_REDIRECT_BRANCH to see if redirection is possible.
6277 Mon Jul 23 17:20:18 CEST 2001 Jan Hubicka <jh@suse.cz>
6279 * flow.c (try_simplify_condjump): Unlink insn chain on
6280 fallthru edge; use can_fallthru.
6282 Mon Jul 23 16:03:19 CEST 2001 Jan Hubicka <jh@suse.cz>
6284 * basic-block.h (find_sub_basic_block): Declare.
6285 * flow.c (make_edges): New arguments MIN and MAX;
6286 (find_sub_basic_blocks): Revamp to use make_edges
6287 and purge_dead_edges.
6288 (find_basic_blocks): Update call of find_sub_basic_block.
6290 * recog.c (split_all_insns): Always expect CFG to be consistent;
6291 call find_sub_basic_blocks in case something has changed.
6292 * toplev.c (rest_of_compilation): Always call split_all_insns once CFG
6295 * basic-block.h (delete_noop_moves): Declare.
6296 * combine.c (combine_instructions): Call it.
6297 (recog_for_combine): Tolerate noop moves
6298 (distribute_notes): Force refresh when register dies at noop move.
6299 * flow.c (delete_noop_moves): Use BB structure; delete JUMP insns
6301 (life_analysis): Update delete_noop_moves call.
6302 (set_noop_p): Move too ...
6303 * rtlanal.c (noop_move_p): ... here.
6304 * rtl.h (noop_move_p): Declare.
6306 * basic-block.h (purge_all_dead_edges, purge_dead_edges): New functions.
6307 * toplev.c (rest_of_compilation): Conditionally call purge_all_dead_edges
6309 * gcse.c (cprop_cc0_jump, cprop_insn): New argument "basic_block".
6310 (cprop_jump): Likewise; call purge_dead_edges if substitution suceeded.
6312 2001-07-23 Hans-Peter Nilsson <hp@bitrange.com>
6314 * reload.c (push_reload): Fix typo in comment.
6315 (find_reloads_address): Ditto.
6316 (reg_overlap_mentioned_for_reload_p): Ditto in head comment.
6318 2001-07-22 Richard Henderson <rth@redhat.com>
6320 * flow.c: Grammar check and clarify a lot of comments.
6321 (try_simplify_condjump): Rename variables to be clearer.
6322 (try_forward_edges): Skip complex and fallthru edges.
6323 Rearrange tests to avoid duplicate checks.
6324 (flow_find_cross_jump): Likewise.
6325 (outgoing_edges_match): Allow match if neither branch has
6326 probability data. Loosen probability match to 5%.
6327 (try_crossjump_to_edge): Hoist repeated indirection into
6329 (try_crossjump_bb): Don't check complex edges. Eliminate
6330 redundant crossjump tests.
6331 (try_optimize_cfg): Fix use of bool. Reorganize cheaper
6332 checks before more expensive checks.
6334 2001-07-22 Richard Henderson <rth@redhat.com>
6336 * fold-const.c (fold): Test vs FLOAT_TYPE_P instead of
6337 INTEGRAL_TYPE_P when folding comparisons with operand_equal_p
6340 2001-07-22 Richard Henderson <rth@redhat.com>
6342 * m68k.c (const_uint32_operand): Abort if mode is <= 32 bits.
6343 (const_sint32_operand): Likewise.
6344 * m68k.md (anon mulsi pattern): Use const_int_operand not
6345 const_sint32_operand.
6346 (umulsi3_highpart): Zero extend a constant input.
6347 (smulsi3_highpart): Don't bother checking SImode constant.
6348 (const_umulsi3_highpart): Give op3 DImode.
6349 (const_smulsi3_highpart): Likewise.
6351 2001-07-22 Richard Henderson <rth@redhat.com>
6353 * flow.c (split_block): Make sure bb_note is included in the
6354 new block when splitting before a label.
6356 Sun Jul 22 23:28:56 CEST 2001 Jan Hubicka <jh@suse.cz>
6358 * basic-block.h (redirect_edge_and_branch_force,
6359 redirect_edge_and_branch, block_label, forwarder_block_p): Declare.
6360 * flow.c (redirect_edge_and_branch_force,
6361 redirect_edge_and_branch, block_label, forwarder_block_p): Make global.
6362 (redirect_edge_and_branch_force): Fix copying of lifeness information.
6363 (block_label): Handle EXIT_BLOCK_PTR by returning NULL.
6364 * ifcvt.c (dead_or_predictable): Take BB as an new destionation
6365 instead of label; update CFG after transformation.
6366 (find_if_case_1): Update call, use redirect_edge_and_branch_force
6367 for finishing the transformation; handle even case where ELSE
6368 does not follow THEN.
6369 (find_if_case_2): Update call of dead_or_predictable; simplify
6372 * emit-rtl.c (split_branch_probability): New global variable.
6373 (try_split): Take care to set split_branch_probability and
6374 create REG_BR_PROB note for new jump insns.
6375 * md.texi (define_split): Document new feature.
6377 * i386.c (ix86_split_fp_branch): Redistribute branch probability notes.
6379 2001-07-22 Neil Booth <neil@daikokuya.demon.co.uk>
6381 * varasm.c: Don't inlcude dbxout.h, sdbout.h or xcoffout.h.
6382 (asm_out_file): Remove redundant declaration.
6383 (assemble_asm): Remove old #if 0 block.
6384 (assemble_variable): Remove end of function; debug output is
6385 now handled with global_decl. Remove old #if 0 block. Update.
6386 Remove saved_in_section and associated no-op code.
6387 * Makefile.in (varasm.o): Correct dependencies.
6389 Sun Jul 22 17:55:11 2001 Alexandre Oliva <aoliva@redhat.com>
6391 * config/i386/freebsd-aout.h (ASM_PREFERRED_EH_DATA_FORMAT): Use
6392 the definition in defaults.h.
6394 Sun Jul 22 21:31:04 CEST 2001 Jan Hubicka <jh@suse.cz>
6396 * jump.c: Update comments.
6397 (delete_barrier_successors, delete_unreferenced_labels,
6398 delete_noop_moves, tension_vector_labels, delete_from_jump_chain,
6399 delete_labelref_insn, redirect_tablejump, jump_optimize_1,
6400 jump_optimize, jump_optimize_minimal): Kill.
6401 (rebuild_jump_labels): Move code from jump_optimize_1.
6402 (purge_line_number_notes): Likewise.
6403 (copy_loop_headers): Likewise.
6404 * reg-stack.c: Update comment.
6406 * rtl.h (jump_optimize, jump_optimize_1, JUMP_NOOP_MOVES,
6407 JUMP_AFTER_REGSCAN): Kill.
6408 * toplev.c (rest_of_compilation): Use cleanup_cfg, call
6409 purge_line_number_notes and copy_loop_headers.
6411 2001-07-22 Neil Booth <neil@daikokuya.demon.co.uk>
6412 Richard Henderson <rth@redhat.com>
6414 * dbxout.c (dbxout_global_decl): New.
6415 (xcoff_debug_hooks, dbx_debug_hooks): Use it.
6416 * sdbout.c (sdbout_finish): New.
6417 (sdbout_debug_hooks): Use it, add comments.
6418 (sdbout_global_decl): Defer initialised public vars to
6420 * varasm.c (assemble_variable): Don't output debug information
6421 for file-scope variables.
6423 2001-07-22 Richard Henderson <rth@redhat.com>
6425 * config/alpha/alpha.c (get_trap_mode_suffix): New.
6426 (get_round_mode_suffix): New.
6427 (print_operand): Use them for [/]. Remove support for [&'`()+].
6428 * config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): Update.
6429 * config/alpha/alpha.md (attr round_suffix): New.
6430 (attr trap_suffix): New.
6431 (all insns): Set them appropriately. Use %/ instead of the
6434 2001-07-22 Neil Booth <neil@cat.daikokuya.demon.co.uk>
6436 * dbxout.c, sdbout.c, varasm.c: Revert most recent debug patch.
6438 2001-07-22 Richard Henderson <rth@redhat.com>
6440 * regrename.c (regrename_optimize): Compute nregs for each
6441 potential target register.
6443 2001-07-21 Neil Booth <neil@daikokuya.demon.co.uk>
6444 Richard Henderson <rth@redhat.com>
6446 * dbxout.c (dbxout_global_decl): New.
6447 (xcoff_debug_hooks, dbx_debug_hooks): Use it.
6448 * sdbout.c (sdbout_finish): New.
6449 (sdbout_debug_hooks): Use it, add comments.
6450 (sdbout_global_decl): Defer initialised public vars to
6452 * varasm.c (assemble_variable): Don't output debug information
6453 for file-scope variables.
6455 2001-07-21 H.J. Lu (hjl@gnu.org)
6457 * config/mips/mips.c (mips_cpu): Moved into ...
6458 (override_options): Here.
6460 * config/mips/mips.h (mips_cpu_attr): Replace mips_cpu with
6462 (mips_cpu): Removed.
6464 2001-07-21 Stephane Carrez <Stephane.Carrez@worldnet.fr>
6466 * config/m68hc11/m68hc11.md ("andqi3"): Accept d as second operand.
6467 ("iorqi3"): Likewise.
6468 ("xorqi3"): Likewise.
6469 ("*addhi3"): Fix constraint to avoid reloading in a soft register.
6470 ("*subhi3_sp): Likewise.
6471 ("*subhi3"): Likewise.
6472 ("extendhisi2"): Accept D, X and Y as source operand to avoid
6475 2001-07-21 Nathan Sidwell <nathan@codesourcery.com>
6477 * doc/tm.texi: Remove DEFAULT_VTABLE_THUNKS.
6478 * config/freebsd.h: Likewise.
6479 * config/linux.h: Likewise.
6480 * config/openbsd.h: Likewise.
6481 * config/alpha/linux-elf.h: Likewise.
6482 * config/arm/linux-elf.h: Likewise.
6483 * config/d30v/d30v.h: Likewise.
6484 * config/fr30/fr30.h: Likewise.
6485 * config/ia64/aix.h: Likewise.
6486 * config/ia64/ia64.h: Likewise.
6487 * config/mips/linux.h: Likewise.
6488 * config/pj/pj.h: Likewise.
6489 * config/rs6000/linux.h: Likewise.
6490 * config/sparc/linux.h: Likewise.
6491 * config/sparc/linux64.h: Likewise.
6493 2001-07-20 Bruce Korb <bkorb@gnu.org>
6495 * fixinc/fixincl.c(test_for_changes): force unsigned char comparisons
6496 because getc() and char* may disagree on signedness.
6498 2001-07-20 Richard Henderson <rth@redhat.com>
6500 * doc/rtl.texi (REG_DEAD): Update for current semantics.
6502 * flow.c (try_redirect_by_replacing_jump): Correctly compute which
6503 insns to delete in the presence of cc0 in a jump insn.
6505 Fri Jul 20 22:14:49 CEST 2001 Roman Zippel <zippel@linux-m68k.org>
6506 Jan Hubicka <jh@suse.cz>
6508 * m68k.md (zero_extend?i?i2 expander): Use gen_lowpart instead
6509 of doing the change by hand.
6511 Fri Jul 20 21:59:42 CEST 2001 Jan Hubicka <jh@suse.cz>
6513 * rtlanal.c (set_noop_p): Return true for noop jumps.
6515 * expr.c (emit_single_push_insn): Add call to push expander.
6516 * expr.h (optab_index): Add OTI_push
6517 (push_optab): New constant.
6518 * genopinit.c (optabs): Add push_optab.
6519 * optabs.c (init_optab): Init push optab.
6520 * md.texi (push??1): Document
6522 2001-07-20 Stephane Carrez <Stephane.Carrez@worldnet.fr>
6524 * config/m68hc11/m68hc11.md ("movdi", "movdi_internal"): Use an
6525 expand to emit the pattern; put a REG_INC note for push/pop
6527 ("movdf", "movdf_internal"): Likewise.
6528 ("movsi", "movsi_internal"): Likewise.
6529 ("movsf", "movsf_internal"): Likewise.
6530 ("movhi", "movqi"): Emit a REG_INC note for push/pop instructions.
6532 2001-07-20 Stephane Carrez <Stephane.Carrez@worldnet.fr>
6534 * config/m68hc11/m68hc11.c (m68hc11_gen_highpart): Don't use
6537 2001-07-20 Daniel Berlin <dan@cgsoftware.com>
6539 * params.def: Change default max inline insns to 100.
6541 2001-07-20 Diego Novillo <dnovillo@redhat.com>
6543 * combine.c (combine_simplify_rtx): Generate a new shift operation
6544 when simplifying the first operand of a (neg (ashift)) expression.
6546 2001-07-20 Roman Lechtchinsky <rl@cs.tu-berlin.de>
6548 * regclass.c (N_REG_INTS): Use only 32 bits per element.
6550 2001-07-20 Kelley Cook <kelley.cook@home.com>
6552 * doc/install.texi (sparc-sun-solaris*): Add in 4.x assembler bug
6553 information. Move rest into ...
6554 (*-*-solaris): ... here. Eliminate redundant information and
6555 reword necessary packages section. Delete 4.x assembler bug info.
6556 (sparc-sun-*): Merge into ...
6557 (sparc-sun-sunos*): here.
6559 2001-07-20 Catherine Moore <clm@redhat.com>
6561 * config/v850/v850.md (casesi): Generate LABEL_REF
6564 Fri Jul 20 14:12:57 CEST 2001 Jan Hubicka <jh@suse.cz>
6566 * i386-protos.h (ix86_zero_extend_to_Pmode): Declare.
6567 * i386.c (ix86_zero_extend_to_Pmode): Make global.
6568 * i386.md (strclrsi expander): Use it.
6570 Fri Jul 20 13:24:16 CEST 2001 Jan Hubicka <jh@suse.cz>
6572 * integrate.c (copy_insn_list): handle
6573 NOTE_INSN_DELETED_LABEL, as if it were CODE_LABEL.
6574 (copy_rtx_and_substitute): Likewise; behave to NOTE_INSN_DELETED_LABEL
6575 identically as to CODE_LABEL.
6577 * fold-const (fold): Convert A/B/C to A/(B*C) and
6580 * except.c (connect_post_landing_pads): Delete the RESX insns.
6582 2001-07-20 Aldy Hernandez <aldyh@redhat.com>
6584 * config/mips/mips.h (ISA_HAS_NMADD_NMSUB): New macro.
6586 * config/mips/mips.md (nmadd/nmsub): Use macro.
6588 2001-07-20 Nathan Sidwell <nathan@codesourcery.com>
6590 * cppinit.c (remove_dup_dir): Make static.
6591 (remove_dup_dirs): Make static. Only warn about preempting a
6592 system directory with a non-system directory.
6594 2001-07-19 Geoffrey Keating <geoffk@redhat.com>
6596 * ifcvt.c (noce_try_store_flag_constants): Correct order
6597 of parameters to trunc_int_for_mode.
6599 2001-07-19 Mark Mitchell <mark@codesourcery.com>
6601 * reorg.c (fill_simple_delay_slots): If an instruction might throw
6602 an exception that will be caught within this function, do not fill
6603 its delay slot with any subsequent instruction.
6605 2001-07-19 Steve Ellcey <sje@cup.hp.com>
6607 * tm.texi (POINTERS_EXTEND_UNSIGNED) Modify definition.
6608 * optabs.c (can_extend_p) Check HAVE_ptr_extend for a specialized
6609 pointer extension instruction.
6610 * combine.c (nonzero_bits,num_sign_bit_copies) Likewise.
6611 * simplify-rtx.c (simplify_unary_operation) Likewise.
6612 * explow.c (convert_memory_address) Check value of
6613 POINTERS_EXTEND_UNSIGNED to avoid some conversions when
6615 * config/ia64/t-hpux (LIBGCC, INSTALL_LIBGCC, MULTILIB_OPTIONS,
6616 MULTILIB_DIRNAMES, MULTILIB_MATCHES) Add multilib support.
6617 * config/ia64/hpux.h (CPP_SPEC, ASM_SPEC, SUBTARGET_SWITCHES)
6618 Add Multilib Support.
6619 (POINTERS_EXTEND_UNSIGNED) Define for ILP32 support.
6620 * config/ia64/ia64.h (MASK_ILP32, TARGET_ILP32, SUBTARGET_SWITCHES)
6621 Add Multilib Support.
6622 (POINTER_SIZE, LONG_TYPE_SIZE, MAX_LONG_TYPE_SIZE) Modify for ILP32
6624 * config/ia64/ia64.c (rtx_needs_barrier) Add support for addp4.
6625 * config/ia64/ia64.md (ptr_extend) New instruction to "swizzle"
6626 a 32 bit HP-UX pointer into a 64 bit HP-UX pointer.
6628 2001-07-19 Alexandre Oliva <aoliva@redhat.com>
6630 * simplify-rtx.c (simplify_replace_rtx): Try to obtain mode from
6631 old and new operands in `<', `3' and `b'.
6633 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
6635 * Makefile.in (emit-rtl.o, c-decl.o): Depend on debug.h.
6636 (final.o): Don't depend on xcoffout.h, dbxout.h or sdbout.h.
6637 (toplev.o): Don't depend on xcoffout.h.
6638 * c-decl.c: Include debug.h
6639 (duplicate_decls): Use debug hook.
6640 * dbxout.c (dbxout_source_file, dbxout_args): Make static.
6641 (dbx_debug_hooks, xcoff_debug_hooks): Update.
6642 (dbxout_types): Remove.
6643 * dbxout.h (dbxout_source_file, dbxout_types, dbxout_args): Remove.
6644 * debug.c (do_nothing_debug_hooks): Update.
6645 (debug_true_tree, debug_nothing_rtx): New.
6646 * debug.h (struct rtx_def): New.
6647 (struct gcc_debug_hooks): New hooks ignore_block,
6648 outlining_inline_function and label.
6649 (debug_true_tree, debug_nothing_rtx, dwarf2out_frame_init,
6650 dwarf2out_frame_finish): New.
6651 * dwarf2out.c (dwarf2out_ignore_block, dwarf2out_abstract_function):
6652 Make static, update prototype.
6653 (dwarf2_debug_hooks): Update.
6654 * dwarf2out.h (dwarf2out_ignore_block, dwarf2out_abstract_function,
6655 dwarf2out_frame_init, dwarf2out_frame_finish): Remove.
6656 * dwarfout.c (dwarf_debug_hooks): Update.
6657 * emit-rtl.c: Include debug.h.
6658 (remove_unnecessary_notes): Use debug hook.
6659 * final.c: Don't include dbxout.h, xcoffout.h or sdbout.h.
6660 (final_scan_insn): Use debug hook.
6661 * integrate.c (output_inline_function): Use debug hook.
6662 * sdbout.c (sdbout_toplevel_data, sdbout_label): Make static.
6663 (sdb_debug_hooks): Update.
6664 * sdbout.h (sdbout_label, sdbout_toplevel_data): Remove.
6665 * toplev.c: Don't include xcoffout.h.
6666 (note_outlining_of_inline_function, debug_ignore_block): Remove.
6667 * toplev.h (note_outlining_of_inline_function, debug_ignore_block):
6669 * tree.h (dwarf2out_do_frame): Remove.
6671 2001-07-19 Catherine Moore <clm@cygnus.com>
6673 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Restore.
6675 2001-07-19 Geoffrey Keating <geoffk@redhat.com>
6677 * reload1.c (eliminate_regs_in_insn): When updating a set
6678 to the frame pointer to the hardware frame pointer, perform
6679 the update always not just when REPLACE is set.
6681 * reload1.c (choose_reload_regs): Don't inherit a reload
6682 that crosses multiple registers if registers past the first
6683 don't fit in the desired class.
6685 * ifcvt.c (noce_try_store_flag_constants): Use trunc_int_for_mode
6686 when negating constants.
6688 2001-07-19 Toon Moene <toon@moene.indiv.nluug.nl>
6690 * tree.def: Document restriction on {L|R}SHIFT_EXPR's second argument.
6691 * doc/tree.texi: Ditto.
6693 2001-07-19 Mark Kettenis <kettenis@wins.uva.nl>
6694 Jakub Jelinek <jakub@redhat.com>
6696 * unwind-dw2.c (_Unwind_FrameState): Add eh_ptr.
6697 (extract_cie_info): Handle "eh" augmentation properly,
6699 (struct frame_state, __frame_state_for): New.
6701 2001-07-19 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6703 * config/alpha/osf.h (ASM_OUTPUT_WEAK_ALIAS, ASM_WEAKEN_LABEL,
6704 HANDLE_SYSV_PRAGMA): Define.
6705 * mips-tfile.c (add_ext_symbol): Pass complete symbol ptr, inline
6707 (copy_object): Caller changed.
6709 2001-07-19 Andreas Schwab <schwab@suse.de>
6711 * configure.in (assembler dwarf2 debug_line support): Define nop
6713 * configure: Regenerated.
6715 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
6717 * Makefile.in (toplev.o, dwarfout.o, final.o): Don't depend on
6719 * dbxout.c (dbxout_function): Rename dbxout_funciton_decl, move
6720 to conditionally compiled block.
6721 (dbx_debug_hooks, xcoff_debug_hooks): Update.
6722 * dbxout.h (dbxout_function): Remove.
6723 * debug.c (do_nothing_debug_hooks): Update.
6724 * debug.h (struct gcc_debug_hooks): New hooks function_decl,
6725 global_decl, deferred_inline_function.
6726 * dwarf2out.c (dwarf2_debug_hooks): Update.
6727 (dwarf2out_global_decl): New.
6728 * dwarfout.c: Don't include dwarfout.h.
6729 (dwarfout_global_decl, dwarfout_function_decl,
6730 dwarfout_deferred_inline_function): New.
6731 (dwarf_debug_hooks): Update.
6732 * dwarfout.h: Remove.
6733 * final.c: Don't include dwarfout.h.
6734 * sdbout.c (sdbout_global_decl): New.
6735 (sdbout_debug_hooks): Update.
6736 * toplev.c: Don't include dwarfout.h.
6737 (check_global_declarations, rest_of_compilation): Use new debug hooks.
6738 (note_deferral_of_defined_inline_function): Remove.
6739 * toplev.h (note_deferral_of_defined_inline_function): Remove.
6740 * ch/Makefile.in (lex.o): No dependence on dwarfout.h.
6741 * ch/lex.c: Don't include dwarfout.h.
6742 * cp/Make-lang.in (decl2.o): No dependence on dwarfout.h, dwarf2out.h.
6743 (semantics.o, optimize.o): Depend on debug.h not dwarfout.h.
6744 * cp/decl2.c: Don't include dwarfout.h and dwarf2out.h.
6745 * cp/optimize.c: Include debug.h.
6746 (maybe_clone_body): Use debug hook.
6747 * cp/semantics.c: Include debug.h.
6748 (expand_body): Use debug hook.
6749 * po/POTFILES.in: Remove dwarfout.h.
6751 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
6753 * c-lex.c (c_lex): Remove CPP_INT, CPP_FLOAT cases.
6754 * c-parse.in (yyerror, _yylex): Similarly.
6755 * cppexp.c (parse_number, parse_defined, lex, _cpp_parse_expr):
6756 Don't use CPP_INT, CPP_FLOAT; CPP_NUMBER is enough.
6758 * cpplib.h (CPP_INT, CPP_FLOAT): Remove.
6759 * cp/spew.c (read_token, yyerror): Remove CPP_INT, CPP_FLOAT cases.
6761 2001-07-18 Jeff Sturm <jsturm@one-point.com>
6763 * dwarf2out.c (dwarf2out_abstract_function): Don't emit
6764 in-class declaration at -g1. Fixes c++/2814.
6766 2001-07-18 Richard Henderson <rth@redhat.com>
6768 * doc/md.texi (reload_in/out): Document restrictions in predicates
6769 and constraints for these patterns. Document empty string matching
6772 2001-07-18 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6774 * defaults.h (ASM_OUTPUT_WEAK_ALIAS): Check for ASM_WEAKEN_LABEL.
6776 Wed Jul 18 20:47:36 CEST 2001 Jan Hubicka <jh@suse.cz>
6778 * cse.c: Undo my previous patch.
6780 2001-07-18 Tom Tromey <tromey@redhat.com>
6783 * configure: Rebuilt.
6784 * configure.in: Don't check for iconv.h or iconv(); use AM_ICONV
6786 * aclocal.m4 (AM_ICONV): New macro from Bruno Haible.
6788 Wed Jul 18 18:46:30 CEST 2001 Richard Henderson <rth@cygnus.com>
6789 Jan Hubicka <jh@suse.cz>
6791 * flow.c (redirect_edge_and_branch): Bail out on complex edges.
6792 (try_optimize_cfg): Do not remove tail recursive labels before sibcall.
6793 * jump.c (mark_jump_label): Do not forward branches.
6795 Wed Jul 18 18:35:01 CEST 2001 Jan Hubicka <jh@suse.cz>
6797 * cse.c (delete_trivially_dead_insns): Delete the libcall block
6798 when return value is unused.
6800 Wed Jul 18 18:28:16 CEST 2001 Jan Hubicka <jh@suse.cz>
6802 * gcse.c (pre_insert_copy_insn): Call update_ld_motion_stores.
6804 Wed Jul 18 12:05:29 2001 Nicola Pero <n.pero@mi.flashnet.it>
6806 * gthr-posix.h (__gthread_objc_mutex_trylock): Fixed return value
6807 on error. We can't blindly return the result of
6808 pthread_mutex_trylock because it returns a positive number on
6809 error, while we must return -1 on error.
6810 (__gthread_objc_mutex_lock, __gthread_objc_mutex_unlock): Similar
6812 Reported by Stephen Brandon <stephen@brandonitconsulting.co.uk>.
6814 2001-07-18 Andreas Jaeger <aj@suse.de>
6816 * integrate.c (output_inline_function): Correct type of debug_hooks.
6818 2001-07-18 Toon Moene <toon@moene.indiv.nluug.nl>
6820 * combine.c (combine_simplify_rtx): DIV can be treated
6821 associatively for floats if unsafe math optimisations are enabled.
6823 2001-07-17 Richard Henderson <rth@redhat.com>
6825 * reload.c (push_secondary_reload): Accept empty-string for ALL_REGS.
6827 2001-07-17 Richard Henderson <rth@redhat.com>
6829 * calls.c (prepare_call_address): New parameter SIBCALLP. If true,
6830 don't force the function address into a register.
6831 (expand_call, emit_library_call_value_1): Update callers.
6832 * builtins.c (expand_builtin_apply): Likewise.
6833 * expr.h (prepare_call_address): Update decl.
6835 2001-07-17 Chandrakala Chavva <cchavva@redhat.com>
6837 * config.gcc: For *-*-chorusos triplet, get chorus.h file from
6839 * config/i386/chorus.h: Move up.
6840 * config/sparc/chorus.h: Likewise.
6841 * config/rs6000/chorus.h: Likewise.
6842 * config/chorus.h: Moved here.
6844 2001-07-17 Andreas Schwab <schwab@suse.de>
6846 * configure.in (assembler eh_frame optimization): Handle big
6848 * configure: Regenerated.
6850 Tue Jul 17 23:43:31 CEST 2001 Jan Hubicka <jh@suse.cz>
6852 * expr.c (epxand_expr): Convert divisions into multiplications by
6853 reciprocals if -ffast-math.
6855 2001-07-17 Neil Booth <neil@daikokuya.demon.co.uk>
6857 * dbxout.c (dbxout_really_begin_function): Rename to
6858 dbxout_begin_function.
6859 (dbx_debug_hooks, xcoff_debug_hooks): Update.
6860 (dbxout_begin_function): Remove.
6861 (dbxout_function): Update.
6862 (dbxout_source_line): Update prototype.
6863 * dbxout.h (dbxout_begin_function): Remove.
6864 * debug.c (do_nothing_debug_hooks): Update.
6865 (debug_nothing_tree): Update.
6866 (debug_nothing_charstar_rtx): Remove.
6867 * debug.h (union tree_node): Declare.
6868 (struct rtx_def): Remove.
6869 (gcc_debug_hooks): New hooks begin_prologue, end_prologue,
6870 begin_function. Change source_line prototype.
6871 (debug_nothing_tree): New.
6872 (debug_nothing_charstar_rtx): Delete.
6873 (dwarf2out_begin_prologue): Moved from ...
6875 * dwarf2out.c (dwarf2_debug_hooks): Update.
6876 (dwarf2out_begin_prologue): Update prototype. If genuine dwarf2
6877 debug info, call dwarf2out_source_line.
6878 (dwarf2out_souce_line): Update prototype.
6879 * dwarfout.c (dwarfout_begin_function): Rename dwarfout_end_prologue.
6880 Change prototype, make static.
6881 (dwarfout_source_line): Update prototype.
6882 (dwarf_debug_hooks): Update.
6883 * dwarfout.h (dwarfout_begin_function): Remove.
6884 * final.c (final_start_function, final_scan_insn): Use appropriate
6885 debug hooks, update to use notice_source_line.
6886 (output_source_line): Rename notice_source_line. Don't call the
6887 source_line debug hook.
6888 * sdbout.c (sdbout_begin_function): Rename sdbout_begin_prologue,
6889 make static, update prototype.
6890 (sdbout_mark_begin_function): Rename sdbout_begin_function, update
6892 (sdbout_end_prologue): New.
6893 (sdbout_source_line): Update prototype.
6894 (sdbout_debug_hooks): Update.
6895 (sdbout_symbol): Remove unused var.
6896 * sdbout.h (sdbout_begin_function, sdbout_mark_begin_function):
6898 * varasm.c: Include debug.h.
6899 (assemble_start_function): Use begin_function debug_hook.
6900 * xcoffout.c (xcoffout_begin_prologue): Rename xcoffout_begin_function,
6901 update with prototype.
6902 (xcoffout_source_line): Update prototype.
6903 * xcoffout.h (xcoffout_begin_prologue): Rename xcoffout_begin_function,
6905 (xcoffout_source_line): Update prototype.
6907 2001-07-17 Richard Henderson <rth@redhat.com>
6909 * c-typeck.c (build_binary_op): Do not shorten unsigned
6910 right shift after sign extension.
6912 Tue Jul 17 16:56:05 CEST 2001 Jan Hubicka <jh@suse.cz>
6914 * combine.c (combine_simplify_rtx): Attempt to simplify
6915 a*(b/c) as (a*b)/c for floats in unsafe_math mode.
6917 * simplify-rtx.c (avoid_constatn_pool_reference): New static function.
6918 (simplify_binary_operation, simplify_unary_operation,
6919 simplify_relational_operation): Use it.
6921 * combine.c (combine_simplify_rtx): Don't do associative law
6922 on divisions; allow associative law on floats.
6924 2001-07-17 H.J. Lu <hjl@gnu.org>
6925 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6927 * c-pragma.h (HANDLE_PRAGMA_WEAK): Define iff ASM_WEAKEN_LABEL and
6928 ASM_OUTPUT_WEAK_ALIAS are defined.
6929 * defaults.h (ASM_OUTPUT_WEAK_ALIAS): Define if possible.
6930 * config/mips/iris6.h (ASM_OUTPUT_WEAK_ALIAS, ASM_WEAKEN_LABEL):
6932 * config/mips/iris5.h: ... here.
6933 (HANDLE_SYSV_PRAGMA): Defined as 1.
6934 * varasm.c (weak_finish): Use ASM_OUTPUT_WEAK_ALIAS.
6935 * doc/tm.texi (ASM_OUTPUT_WEAK_ALIAS): Support the undefined weak
6938 2001-07-17 Joseph S. Myers <jsm28@cam.ac.uk>
6940 * c-parse.in (all_prefix_attributes): New variable.
6941 (PUSH_DECLSPEC_STACK, POP_DECLSPEC_STACK): New macros.
6942 (maybe_resetattrs): New production.
6943 (c_parse_init, datadef, fndef, datadecl, setspecs, setattrs, decl,
6944 maybe_type_quals_setattrs, initdecls, notype_initdecls, initdcl,
6945 notype_initdcl, nested_function, notype_nested_function,
6946 component_decl, components, components_notype,
6947 component_declarator, component_notype_declarator,
6948 absdcl_maybe_attribute, parm, firstparm, setspecs_fp, ivar_decl,
6949 ivars, mydecl, myparm): Update. Avoid prefix attributes just
6950 after a comma being applied to more than one declarator.
6951 * doc/extend.texi (Attribute Syntax): Update. Remove
6952 documentation of bugs that are no longer present.
6954 2001-07-13 Eric Christopher <echristo@redhat.com>
6956 * config/mips/mips.h: Change TUNE_MIPS* options to use
6958 (EXTRA_SPECS): Add cc1_cpu_spec.
6959 * config/mips/mips.md (muldf3): Fix typo.
6961 2001-07-16 Richard Henderson <rth@redhat.com>
6963 * config/m68k/m68k.c: Include expr.h and reload.h.
6964 (print_operand_address) [16 bit int]: Cast INTVAL to int for %d.
6965 [general int]: Use HOST_WIDE_INT_PRINT_DEC.
6967 2001-07-16 Daniel Berlin <dan@cgsoftware.com>
6968 Richard Henderson <rth@redhat.com>
6970 * cse.c (set_live_p): Take INSN argument for cc0; update callers.
6971 (insn_live_p): Fix fall off end of function.
6972 (dead_libcall_p): Remove COUNTS argument; update callers.
6973 (delete_trivially_dead_insns): Remove unused variables.
6975 2001-07-17 Andreas Jaeger <aj@suse.de>
6977 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Fix output format for
6980 * lcm.c (optimize_mode_switching): Avoid warning for unused
6981 variable if !NORMAL_MODE.
6983 * flow.c (try_crossjump_to_edge): Remove unused variable.
6985 2001-07-16 John David Anglin <dave@hiauly1.hia.nrc.ca>
6987 * inclhack.def (ultrix_atexit_param): New hack to fix ultrix 4.3
6988 atexit declaration in stdlib.h.
6990 2001-07-16 Richard Begg <Richard.Begg@colesmyer.com.au>
6992 * fixinc/inclhack.def(hpux_vsnprintf): brokenness in stdio.h
6994 Mon Jul 16 22:48:00 CEST 2001 Jan Hubicka <jh@suse.cz>
6996 * basic-block.h (CLEANUP_PRE_SIBCALL): New constant.
6997 * except.c (finish_eh_generation): Update call of cleanup_cfg;
6998 do rebuild_jump_labels instead of jump_optimize
6999 * sibcall.c (optimize_sibling_and_tail_recursive_call): Likewise.
7000 * toplev.c (rest_of_compulation): Likewise for -Wreturn_type.
7001 * flow.c (try_optimize_cfg): Remove unneeded code_labels.
7003 * flow.c: Include timevar.h
7004 (find_basic_block): Push/pop timevar;
7005 (cleanup_cfg): Likewise.
7006 * timevar.def (TV_CFG, TV_CLEANUP_CFG): New.
7007 * Makefile: Add dependencies on timevar.h
7009 * integrate.c (save_for_inline): Kill all BASIC_BLOCK notes.
7010 (copy_insn_list): Avoid killing of BASIC_BLOCK notes.
7012 * rtl.h (delete_trivially_dead_insns): Add new parameter.
7013 * toplev.c (rest_of_compilation): Update calls.
7014 * cse.c (set_live_p, insn_live_p, dead_libcall_p): Break out from ...
7015 (delete_trivially_dead_insns): ... here; accept new argument
7016 preserve_basic_blocks; preserve basic blocks if set.
7018 * reg-stack.c (stack_regs_mentioned): Return 0 if
7019 stack_regs_mentioned_data is not initialized.
7020 (reg_to_stack): Make stack_regs_mentioned survive after the
7021 reg-stack is completted; do not call cleanup_cfg.
7022 * toplev.c (rest_of_compilation): Do cleanup_cfg before bb-reorder;
7023 make cleanup_cfg after bb-reorder to output to debug file.
7025 2001-07-16 Richard Henderson <rth@redhat.com>
7027 * regclass.c (init_reg_sets): Use only 32 bits per initializer
7028 from int_reg_class_contents.
7030 2001-07-16 Richard Henderson <rth@redhat.com>
7032 * hard-reg-set.h (regs_invalidated_by_call): Declare.
7033 * regclass.c (regs_invalidated_by_call): Move from cse.c.
7034 (init_reg_sets_1): Move initialization from cse_main.
7035 * cse.c (regs_invalidated_by_call): Move to regclass.c.
7036 (cse_main): Move its initialization also.
7037 * df.c (df_insn_refs_record): Use regs_invalidated_by_call.
7038 * flow.c (propagate_one_insn): Likewise.
7039 * gcse.c (compute_hash_table): Likewise.
7040 (compute_kill_rd, compute_store_table): Likewise.
7041 * sched-deps.c (sched_analyze_1): Likewise.
7043 Mon Jul 16 18:07:07 2001 J"orn Rennecke <amylaar@redhat.com>
7045 * gcse.c (pre_insert_copy_insn): Use gen_move_insn instead of
7048 2001-07-16 Steve Ellcey <sje@cup.hp.com>
7050 * dominance.c (calc_dfs_tree_nonrec): Reverse order of tests
7051 in if statement so we don't access undefined memory.
7053 2001-07-16 Daniel Berlin <dan@cgsoftware.com>
7055 * gcse.c: Update comment at top.
7056 Update comment on mem handling.
7057 mem_last_set, mem_first_set, mem_set_in_block: gone.
7058 Declaration of reg_set_info: gone.
7059 (oprs_unchanged_p): Don't use mem_*set_* anymore. They are
7060 pointless with load_killed_in_block_p (they are *more*
7061 conservative then it, not less, and less accurate).
7062 (oprs_not_set_p): Ditto.
7063 (alloc_gcse_mem): Don't allocate mem_set_in_block
7064 (free_gcse_mem): Don't free it, either.
7065 (record_last_mem_set_info): Update comment in front, remove
7066 mem_*set_* stuff. Note the reason we don't handle stores directly
7068 (compute_hash_table): Update comments to reflect reality. Remove
7069 mem_*set_* references.
7070 (reset_opr_set_tables): Remove mem_*set_* references.
7072 (mark_set): Ditto. Also remove double sets of bitmaps for REG's.
7073 (mark_clobber): Ditto (on both parts, we double set here too).
7074 (expr_killed_p): Remove mem_set_in_block test.
7075 (compute_transp): Remove mem_set_in_block test.
7077 * ssa-ccp.c: (optimize_unexecutable_edges): Add note about removal
7078 of edge, and removal of phi alternative to dump file.
7079 (ssa_ccp_substitute_constants): Add note about register now being
7080 constant, and which uses were replaced in what insns to dump file.
7082 2001-07-16 Andreas Jaeger <aj@suse.de>
7084 * gcov.c (output_data): Use HOST_WIDEST_INT_PRINT_DEC to output
7085 variables of type HOST_WIDEST_INT.
7087 * libgcc2.c (__bb_exit_func): Handle gcov_type as long long.
7088 (__bb_exit_func): Correct type of count_max to avoid overflow.
7089 (num_digits): Handle long long argument.
7091 * combine.c (gen_lowpart_for_combine): Remove unused variable.
7093 2001-07-16 Neil Booth <neil@cat.daikokuya.demon.co.uk>
7095 * output.h (sdb_begin_function_line): Restore as an extern
7097 * sdbout.c (sdb_begin_function_line): Make extern.
7099 2001-07-15 Richard Henderson <rth@redhat.com>
7101 * machmode.def (Pmode): Redefine if GENERATOR_FILE.
7102 * genrecog.c (maybe_both_true_mode): New.
7103 (maybe_both_true_2): Use it.
7104 (write_switch): Don't put Pmode in a switch.
7105 * rtl.c (mode arrays): Don't explicitly size them.
7107 Sun Jul 15 14:07:36 CEST 2001 Jan Hubicka <jh@suse.cz>
7109 * toplev.c (rest_of_compilation): Fix register_life_up_to_date
7110 handling; move unconditional splitting before mode switching.
7112 * i386.md (type): Add fistp type.
7113 (i387, length_attr, scheduling definitions): Handle this type.
7114 (fix_trunc?f?i2): Revamp to use mode switching.
7115 (fix_trunct?f?i_nonmemory, fix_trunc?f?i_memory): New patterns.
7116 * i386.h (fp_cw_mode): New enum
7117 (OPTIMIZE_MODE_SWITCHING, NUM_MODES_FOR_MODE_SWITCHING, MODE_NEEDED,
7118 MODE_PRIORITY_TO_MODE, ENUM_MODE_SET): New macros.
7120 Sun Jul 15 12:53:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7122 * Makefile.in (integrate.o): Add debug.h.
7123 * integrate.c (debug.h): Add.
7124 (output_inline_function): Save, reset, and restore debug_hooks.
7126 2001-07-15 Richard Henderson <rth@redhat.com>
7128 * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use CCmode
7129 instead of COMPARE for the EQUIV expression.
7131 2001-07-15 Richard Henderson <rth@redhat.com>
7133 * flow.c (redirect_edge_and_branch_force): Initialize
7134 global_live_at_start and global_live_at_end.
7135 (allocate_bb_life_data): Export.
7136 * basic-block.h (allocate_bb_life_data): Declare.
7137 * toplev.c (rest_of_compilation): Call it.
7139 2001-07-15 Richard Henderson <rth@redhat.com>
7141 * config/alpha/alpha.c (alpha_tablejump_addr_vec): New.
7142 (alpha_tablejump_best_label): New.
7143 * config/alpha/alpha-protos.h: Declare them.
7144 * config/alpha/alpha.md: Use braced strings for code blocks.
7145 (tablejump_osf): Break out add with r29.
7146 (tablejump_osf_internal): Remove.
7147 (tablejump_osf_nt_internal): Rename from tablejump_nt_internal,
7148 use alpha_tablejump_addr_vec and alpha_tablejump_best_label.
7150 Sun Jul 15 00:53:35 CEST 2001 Jan Hubicka <jh@suse.cz>
7152 * loop.c (scan_loop): Add USEs inside PARALLELs into dependencies
7155 * toplev.c (rest_of_compilation): Allow new pseudoes for mode switching.
7157 * i386-protos.h (ix86_split_fp_branch): Update prototype.
7158 (ix86_fp_jump_nontrivial_p): New.
7159 * i386.md (fp_jcc_?): Update call of split_fp_branch;
7160 use ix86_fp_jump_nontrivial_p.
7161 * i386.c (ix86_fp_jump_nontrivial_p): New.
7162 (ix86_split_fp_branch): Accept code instead of rtx.
7163 (ix86_expand_compare): Expand comparison early in case
7164 doing so is resonably cheap.
7166 2001-07-15 Nick Clifton <nickc@cambridge.redhat.com>
7168 * config/rs6000/sysv4.h (CPP_ENDIAN_BIG_SPEC): Assert 'endian'
7170 (CPP_ENDIAN_LITTLE_SPEC): Assert 'endian' not 'machine'.
7171 (CPP_ENDIAN_SOLARIS_SPEC): Assert 'endian' not 'machine'.
7173 2001-07-15 Neil Booth <neil@daikokuya.demon.co.uk>
7175 * dbxout.c (dbxout_source_line): Make static, update prototype.
7176 (dbx_debug_hooks, xcoff_debug_hooks): Add new hooks.
7177 (dbxout_init, dbxout_finish, dbxout_source_line,
7178 dbxout_begin_block, dbxout_end_block): Update for new prototypes.
7179 * dbxout.h (dbxout_source_line): Delete.
7180 * debug.c (debug_nothing_file, debug_nothing_file_int,
7181 debug_nothing_file_charstar_rtx): New.
7182 (do_nothing_debug_hooks): Update.
7183 (debug_nothing_void, debug_nothing_charstar_rtx,
7184 dwarf2out_end_epilogue): New.
7185 (debug_nothing_file_charstar, debug_nothing_file_int_int): Rename.
7186 * debug.h (struct rtx_def): Declare.
7187 (gcc_debug_hooks): New hooks source_line, end_epilogue
7189 (debug_nothing_void, debug_nothing_charstar_rtx,
7190 dwarf2out_end_epilogue): New.
7191 (debug_nothing_file_charstar, debug_nothing_file_int_int): Rename.
7192 * dwarf2out.c (dwarf2out_source_line): Make static, update prototype.
7193 (dwarf2_debug_hooks): Update.
7194 (dwarf2out_init, dwarf2out_finish, dwarf2out_source_line,
7195 dwarf2out_begin_block, dwarf2out_end_block): Update for new prototypes.
7196 * dwarf2out.h (dwarf2out_source_line): Remove.
7197 * dwarfout.c (dwarfout_end_epilogue, dwarfout_end_function):
7198 Make static, update prototype.
7199 (dwarfout_init, dwarfout_finish, dwarfout_source_line,
7200 dwarfout_begin_block, dwarfout_end_block): Update for new prototypes.
7201 (dwarf_debug_hooks): Update.
7202 * dwarfout.h (dwarfout_end_epilogue, dwarfout_source_line,
7203 dwarfout_end_function): Remove.
7204 * final.c (profile_function): Use debug hooks for ending functions
7206 (output_source_line, final_end_function): Update prototype,
7208 (final_start_function, final_scan_insn): Update.
7209 * output.h (sdb_begin_function_line): Remove.
7210 (final_end_function): Update prototype.
7211 * sdbout.c (sdb_begin_function_line): Make static.
7212 (PUT_SDB_EPILOGUE_END): Move to sdbout_end_epilogue.
7213 (sdbout_source_line): New.
7214 (sdbout_end_epilogue, sdbout_end_function): Make static, update
7216 (sdb_debug_hooks): Update.
7217 (sdbout_init, sdbout_source_line,
7218 sdbout_begin_block, sdbout_end_block): Update for new prototypes.
7219 * sdbout.h (sdbout_end_epilogue, sdbout_end_function): Remove.
7220 * toplev.c (compile_file, rest_of_compilation): Update.
7221 * tree.h (dwarf2out_end_epilogue): Move to debug.h.
7222 * xcoffout.c (xcoffout_source_line, xcoffout_begin_block,
7223 xcoffout_end_block, xcoffout_end_epilogue, xcoffout_end_function):
7224 Update for prototype changes.
7225 * xcoffout.h (xcoffout_source_line, xcoffout_begin_block,
7226 xcoffout_end_block, xcoffout_end_epilogue): Update prototypes.
7228 2001-07-15 Richard Henderson <rth@redhat.com>
7230 * config/alpha/alpha.h (TARGET_ABI_OSF): New.
7231 (TARGET_ABI_WINDOWS_NT, TARGET_ABI_OPEN_VMS): Rename; update users.
7232 * config/alpha/alpha-protos.h: Update TARGET_ABI_* users.
7233 * config/alpha/alpha.c: Likewise.
7234 * config/alpha/alpha.md: Likewise.
7235 * config/alpha/alpha32.h: Likewise.
7236 * config/alpha/vms.h: Likewise.
7239 2001-07-14 Richard Henderson <rth@redhat.com>
7241 * config/alpha/alpha.md: Use define_constants for unspec values.
7242 Substitute throughout.
7244 2001-07-14 Tim Josling <tej@melbpc.org.au>
7246 * tree.def (EXPON_EXPR) remove. Never supported anyway.
7248 2001-07-14 John David Anglin <dave@hiauly1.hia.nrc.ca>
7250 * pa.md: Remove unused constraints from define_split's.
7252 2001-04-14 Richard Henderson <rth@redhat.com>
7254 * ifcvt.c (find_cond_trap): Test for exit block.
7256 Sun Jul 15 00:50:20 CEST 2001 Jan Hubicka <jh@suse.cz>
7258 Re-install recently reverted patch.
7259 * emit-rtl.c (try_split): Update mark_jump_label call.
7260 * flow.c (find_sub_basic_blocks): Likewise.
7261 * jump.c (cross_jump_death_matters, find_cross_jump, do_cross_jump,
7263 (mark_all_labels): Kill second parameter.
7264 (jump_optimize, jump_optimize_1): Kill cross_jump parameter.
7265 (rebuild_jump_labels, jump_optimize_minimal): Update call
7267 (jump_optimize_1): Kill crossjumping code.
7268 (mark_jump_label): Kill cross_jump parameter.
7269 * rtl.h (mark_jump_label, jump_optimize): Update prototypes.
7270 (JUMP_CROSS_JUMP, JUMP_CROSS_JUMP_DEATH_MATTERS): Kill.
7271 * reg-stack.c (reg_to_stack): Do not rebuild if not needed; do
7273 * toplev.c (enum dump_file_index): Kill DFI_jump2; put DFI_stack before
7275 (dump_file_info): Likewise.
7276 (rest_of_compilation): Update calls to jump_optimize; kill jump2 pass;
7277 reorganize passes to do reg-stack first, bb-reorder second.
7278 * invoke.texi (-d letters doc): Remove the jump2 pass.
7280 2001-07-14 Richard Henderson <rth@redhat.com>
7282 * ifcvt.c (find_cond_trap): New.
7283 (find_if_header): Call it.
7284 (merge_if_block): Relax existing jump sanity check.
7285 * jump.c (jump_optimize_1): Remove conditional trap handling.
7287 2001-07-14 Alan Modra <amodra@bigpond.net.au>
7289 * config/pa/pa.c (emit_hpdiv_const): Return reg is r2 for 64-bit
7291 (insn_refs_are_delayed): Correct comment.
7292 * config/pa/pa.h (INSN_REFERENCES_ARE_DELAYED): Likewise.
7293 * config/pa/pa.md (mulsi3): If TARGET_64BIT, clobber r2
7294 instead of r31. Make associated insn !TARGET_64BIT, and
7295 provide an additional 64-bit insn that clobbers r2.
7297 (udivsi3): Likewise.
7299 (umodsi3): Likewise.
7301 Sat Jul 14 02:58:38 CEST 2001 Jan Hubicka <jh@suse.cz>
7303 * bb-reorder.c (skip_insn_after_block): Get past the line number notes.
7305 * flow.c (redirect_edge_and_branch_force, split_edge,
7306 try_crossjump_to_edge): Use set_block_for_new_insns.
7307 * bb-reorder.c (emit_jump_to_block_after): Call set_block_for_new_insns.
7309 2001-07-13 H.J. Lu (hjl@gnu.org)
7311 * config/elfos.h (UNIQUE_SECTION): Enable .bss section with
7314 2001-07-13 Geoffrey Keating <geoffk@redhat.com>
7316 Revert H.J. Lu's UNIQUE_SECTION patch of 2001-07-13.
7318 2001-07-13 Joseph S. Myers <jsm28@cam.ac.uk>
7320 * c-common.c (decl_attributes): Take a pointer to the node to
7321 which attributes are to be attached, and a flags argument.
7322 * c-common.h (enum attribute_flags): New.
7323 (decl_attributes): Update prototype.
7324 * c-decl.c (start_decl, push_parm_decl, finish_struct,
7325 finish_enum, start_function): Update calls to decl_attributes.
7326 * c-parse.in (component_declarator, component_notype_declarator,
7327 label): Update calls to decl_attributes.
7329 Fri Jul 13 23:04:00 2001 Denis Chertykov <denisc@overta.ru>
7331 * config/avr/avr.md (strlenhi): PARALLEL keyword removed.
7332 * config/avr/avr.c (legitimate_address_p): Return value changed
7333 from letter to register classes. For better debugging.
7335 2001-07-13 Kazu Hirata <kazu@hxi.com>
7337 * jump.c (reversed_comparison_code_parts): Fix comment typos.
7339 2001-07-13 H.J. Lu (hjl@gnu.org)
7341 * config/elfos.h (UNIQUE_SECTION): Enable .bss section.
7343 2001-07-13 Marc Espie <espie@cvs.openbsd.org>
7345 * config.gcc (*-*-openbsd*): Add fragment to compile libgcc
7346 correctly for shared configurations.
7347 * config/t-libgcc-pic: New.
7348 * config/{i386,m68k,sparc}/t-openbsd: New.
7349 * config/openbsd.h: Include cpu_spec in cpp_spec where needed.
7350 Support -shared. Support debugging libraries with -g.
7351 * config/i386/openbsd.h: Correct ASM_COMMENT_START. Ensure dwarf2
7352 frame information does not emit pointer diffs.
7353 * config/sparc/openbsd.h: Ensure dwarf2 frame information does not
7356 2001-07-13 Geoffrey Keating <geoffk@redhat.com>
7358 Revert Jan Hubicka's patch of Fri Jul 13 14:46:21 CEST 2001.
7360 2001-07-13 David Edelsohn <edelsohn@gnu.org>
7362 * combine.c (try_combine): Ensure const_int pow2 is positive.
7364 2001-07-13 Hartmut Penner <hpenner@de.ibm.com>
7366 * config.gcc: Add configuration for s/390.
7367 * config/s390/s390.c: New. Subroutines for code generation.
7368 * config/s390/s390.h: New. Definitions for s/390.
7369 * config/s390/s390-protos.h: New. Prototypes.
7370 * config/s390/linux.h: New. Definitions for linux for s/390.
7371 * config/s390/linux64.h: New. Definitions for linux for zSeries.
7372 * config/s390/t-linux: New. Makefile fragment.
7373 * config/s390/s390.md: New. Machine description for s/390 and zSeries.
7374 * config/s390/fixdfdi.h: New. Fix L_fix*di.
7376 Fri Jul 13 14:46:21 CEST 2001 Jan Hubicka <jh@suse.cz>
7378 * emit-rtl.c (try_split): Update mark_jump_label call.
7379 * flow.c (find_sub_basic_blocks): Likewise.
7380 * jump.c (cross_jump_death_matters, find_cross_jump, do_cross_jump,
7382 (mark_all_labels): Kill second parameter.
7383 (jump_optimize, jump_optimize_1): Kill cross_jump parameter.
7384 (rebuild_jump_labels, jump_optimize_minimal): Update call
7386 (jump_optimize_1): Kill crossjumping code.
7387 (mark_jump_label): Kill cross_jump parameter.
7388 * rtl.h (mark_jump_label, jump_optimize): Update prototypes.
7389 (JUMP_CROSS_JUMP, JUMP_CROSS_JUMP_DEATH_MATTERS): Kill.
7390 * reg-stack.c (reg_to_stack): Do not rebuild if not needed; do
7392 * toplev.c (enum dump_file_index): Kill DFI_jump2; put DFI_stack before
7394 (rest_of_compilation): Update calls to jump_optimize; kill jump2 pass;
7395 reorganize passes to do reg-stack first, bb-reorder second.
7396 * invoke.texi (-d letters doc): Remove the jump2 pass.
7398 2001-07-12 Steve Ellcey <sje@cup.hp.com>
7400 * toplev.c (compile_file): Put call of ASM_FILE_START inside ifdef.
7402 Thu Jul 12 17:57:16 CEST 2001 Jan Hubicka <jh@suse.cz>
7404 * flow.c (try_optimize_cfg): Delete whole chain of trivially dead
7406 (verify_flow_info): Make diagnostics prettier.
7408 Thu Jul 12 16:48:54 CEST 2001 Jan Hubicka <jh@suse.cz>
7410 * flow.c (find_basic_blocks_1): Do not emit NOP after call.
7412 * flow.c (outgoing_edges_match): Return early if condition reversal
7415 2001-07-06 Richard Sandiford <rsandifo@redhat.com>
7417 * config/mips/mips.c (print_operand): Extend '%D' to memory operands.
7418 (mips_move_2words): When splitting a move into two instructions,
7419 prefix the second address operand with '%D'.
7421 2001-07-12 Neil Booth <neil@daikokuya.demon.co.uk>
7423 * Makefile.in (final.o): Depend on debug.h.
7424 * dbxout.c (dbxout_begin_block, dbxout_end_block): New.
7425 (dbx_debug_hooks): Add new hooks.
7426 (xcoff_debug_hooks): New.
7427 * debug.c (debug_nothing_file_int_int): New.
7428 (do_nothing_debug_hooks): Update.
7429 * debug.h (gcc_debug_hooks): New hooks begin_block and end_block.
7430 (debug_nothing_file_int_int): New.
7431 * dwarf2out.c (dwarf2out_begin_block, dwarf2out_end_block): Make
7432 static, update prototype.
7433 (dwarf2_debug_hooks): Update.
7434 * dwarf2out.h (dwarf2out_begin_block, dwarf2out_end_block): Remove.
7435 * dwarfout.c (dwarfout_begin_block, dwarfout_end_block): Make
7436 static, update prototype.
7437 (dwarf_debug_hooks): Update.
7438 * dwarfout.h (dwarfout_begin_block, dwarfout_end_block): Remove.
7439 * final.c: Include debug.h.
7440 (final_scan_insn): Use debug hooks when beginning and ending blocks.
7441 * sdbout.c (sdbout_begin_block, sdbout_end_block): Make
7442 static, update prototype.
7443 (sdb_debug_hooks): Update.
7444 * sdbout.h (sdbout_begin_block, sdbout_end_block): Remove.
7445 * toplev.c: Distinguish between xcoff and dbx.
7447 * f/lex.c (ffelex_file_pop_, ffelex_file_push_, ffelex_hash_):
7448 Call all debug hooks, not just dwarf ones.
7450 2001-07-11 Timothy Wall <twall@redhat.com>
7452 * config.gcc: Add configuration for AIX5/IA64.
7453 * config/ia64/aix.h: New. AIX5/IA64-specific configuration.
7454 * config/ia64/crt[in].asm: New. Generic static ctor/dtor
7455 support prefix/suffix code.
7456 * config/ia64/t-aix: New. Makefile fragment.
7457 * config/ia64/unwind-aix.c: New. Unwind table entry lookup.
7459 2001-07-11 Kazu Hirata <kazu@hxi.com>
7461 * recog.c (validate_change): Fix a comment typo.
7463 2001-07-11 Neil Booth <neil@daikokuya.demon.co.uk>
7465 * Makefile.in (c-lex.o): Wrap long lines. Depend on debug.h.
7466 * c-lex.c (cb_file_change, cb_define, cb_undef): Use debug
7468 * dbxout.c (dbx_debug_hooks): Add new hooks.
7469 (dbxout_start_new_source_file): Rename dbxout_start_source_file,
7471 (dbxout_resume_previous_source_file): Rename dbxout_end_source_file,
7473 * dbxout.h (dbxout_start_new_source_file,
7474 dbxout_resume_previous_source_file): Delete.
7475 * debug.c (do_nothing_debug_hooks): Add new hooks.
7476 (debug_nothing_init_finish): Rename debug_nothing_file_charstar.
7477 (debug_nothing_int_charstar, debug_nothing_int): New.
7478 * debug.h (gcc_debug_hooks): New hooks define, undef,
7479 start_source_file and end_source_file.
7480 (debug_nothing_init_finish): Rename debug_nothing_file_charstar.
7481 (debug_nothing_int_charstar, debug_nothing_int): New.
7482 * dwarf2out.c (dwarf2_debug_hooks): Add new hooks. Move into
7483 the conditionally compiled section.
7484 (dwarf2out_start_source_file, dwarf2out_end_source_file,
7485 dwarf2out_define, dwarf2out_undef): Make static.
7486 * dwarf2out.h (dwarf2out_start_source_file, dwarf2out_end_source_file,
7487 dwarf2out_define, dwarf2out_undef): Remove.
7488 * dwarfout.c (dwarf_debug_hooks): Add new hooks.
7489 (dwarfout_start_source_file, dwarfout_end_source_file,
7490 dwarfout_define, dwarfout_undef): Make static.
7491 (dwarfout_start_source_file_check,
7492 dwarfout_end_source_file_check): New.
7493 (dwarfout_define, dwarfout_finish): Update.
7494 * dwarfout.h (dwarfout_start_new_source_file,
7495 dwarfout_resume_previous_source_file, dwarfout_define,
7496 dwarfout_undef): Remove.
7497 * sdbout.c (sdb_debug_hooks): Add new hooks.
7498 (sdbout_start_new_source_file): Rename sdbout_start_source_file,
7500 (sdbout_resume_previous_source_file): Rename sdbout_end_source_file,
7501 make static, take an arg.
7502 * sdbout.h (sdbout_start_new_source_file,
7503 sdbout_resume_previous_source_file): Delete.
7504 * toplev.c (debug_start_source_file, debug_end_source_file,
7505 debug_define, debug_undef): Delete.
7506 * toplev.h (debug_start_source_file, debug_end_source_file,
7507 debug_define, debug_undef): Delete.
7509 * java/jcf-parse.c: Include debug.h.
7510 (parse_class_file): Update to use debug hooks directly.
7511 * java/Make-lang.in (jcf-parse.o): Depend on debug.h.
7513 Wed Jul 11 10:07:18 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7515 * alias.c (set_mem_alias_set): New function.
7516 * rtl.h (set_mem_alias_set): Declare it.
7517 * builtins.c (expand_builtin_return_addr): Call it instead of
7518 using MEM_ALIAS_SET accessor.
7519 (expand_builtin_setjmp_setup, expand_builtin_longjmp): Likewise.
7520 (get_memory_rtx, expand_builtin_va_arg): Likewise.
7521 (expand_builtin_va_copy):Likewise.
7522 * caller-save.c (setup_save_areas): Likewise.
7523 * calls.c (compute_argument_addresses): Likewise.
7524 * explow.c (set_mem_attributes): Likewise.
7525 * expr.c (emit_single_push_insn, emit_push_insn): Likewise.
7526 (expand_assignment, store_constructor_field, store_field): Likewise.
7527 (expand_expr_unaligned): Likewise.
7528 * function.c (assign_stack_temp_for_type): Likewise.
7529 (put_reg_into_stack, gen_mem_addressof): Likewise.
7530 * ifcvt.c (noce_try_cmove_arith): Likewise.
7531 * reload1.c (reload, alter_reg): Likewise.
7532 * config/alpha/alpha.c (get_aligned_mem): Likewise.
7533 (alpha_set_memflags_1, alpha_expand_unaligned_load): Likewise.
7534 (alpha_expand_unaligned_store): Likewise
7535 (alpha_expand_unaligned_load_words): Likewise.
7536 (alpha_expand_unaligned_store_words): Likewise.
7537 (alpha_expand_block_clear, alpha_expand_prologue): Likewise.
7538 (alpha_expand_epilogue): Likewise.
7539 * config/arc/arc.c (arc_setup_incoming_varargs): Likewise.
7540 * config/clipper/clipper.c (clipper_builtin_saveregs): Likewise.
7541 * config/i386/i386.c (legitimize_pic_address): Likewise.
7542 * config/i960/i960.c (setup_incoming_varargs): Likewise.
7543 * config/ia64/ia64.c (spill_restore_mem): Likewise.
7544 * config/m32r/m32r.c (m32r_setup_incoming_varargs): Likewise.
7545 * config/m8k/m88k.c (m88k_builtin_saveregs): Likewise.
7546 * config/mips/mips.c (mips_va_arg): Likewise.
7547 * config/mn10300/mn10300.c (mn10300_builtin_saveregs): Likewise.
7548 * config/pa/pa.c (hppa_builtin_saveregs): Likewise.
7549 * config/rs6000/rs6000.c (rs6000_emit_move): Likewise.
7550 (setup_incoming_varargs, rs6000_va_arg): Likewise.
7551 (rs6000_emit_eh_toc_restore, rs6000_emit_prologue): Likewise.
7552 (rs6000_emit_epilogue): Likewise.
7553 * config/sh/sh.c (sh_builtin_saveregs): Likewise.
7554 * config/sparc/sparc.c (sparc_va_arg): Likewise.
7555 * config/v850/v850.c (v850_va_arg): Likewise.
7557 Wed Jul 11 21:27:25 CEST 2001 Jan Hubicka <jh@suse.cz>
7559 * flow.c (merge_blocks_move_successor_nojumps): Do not crash
7560 when fallthru edge is present.
7561 (mege_blocks): Handle case where creation of jump insn
7564 * basic-block.h (CLEANUP_EXPENSIVE, CLEANUP_CROSSJUMP,
7565 CLEANUP_POST_REGSTACK): New constants.
7566 * except.c (finish_eh_generation): Update call of cleanup_cfg,
7567 * jump.c (rtx_renumbered_equal_p): Handle 't' fields.
7568 * output.h (cleanup_cfg): Update prototype.
7569 * reg-stack.c (reg_to_stack): Use cleanup_cfg instead of jump_optimize
7570 * sibcall.c (optimize_sibling_and_tail_recursive_call): Update
7571 cleanup_cfg call; kill missleading comment.
7572 * toplev.c (rest_of_compilation): Update all cleanup_cfg calls.
7573 * flow.c (merge_blocks, try_optimize_cfg, cleanup_cfg): Accept mode
7574 parameter; control optimizations performed using it.
7575 (flow_find_cross_jump, outgoing_edges_match, try_crossjump_to_edge,
7576 try_crossjump_bb): New functions.
7578 2001-07-11 John David Anglin <dave@hiauly1.hia.nrc.ca>
7580 * pa.c (pa_output_function_prologue): Delete prototype. Make function
7582 * pa.h (ASM_OUTPUT_MI_THUNK): Rename output_function_prologue to
7583 pa_output_function_prologue.
7584 * pa-protos.h (pa_output_function_prologue): New prototype.
7586 2001-07-11 John David Anglin <dave@hiauly1.hia.nrc.ca>
7588 * stmt.c (emit_case_nodes): Widen high and low instead of new_bound
7589 and low to get correct sign extension in low+high test.
7591 2001-07-11 Janis Johnson <janis@us.ibm.com>
7593 * gcov.c (arcdata): Use gcov_type to fix branch percentage
7594 for large hit count.
7596 * profile.c (branch_prob): Fix .bbg info for computed gotos
7599 2001-07-11 Mark Mitchell <mark@codesourcery.com>
7601 * stmt.c (parse_output_constraint): New function, split out
7603 (expand_asm_operands): ... here. Use parse_output_constraint.
7604 * tree.h (parse_output_constraint): Declare it.
7606 2001-07-11 Richard Henderson <rth@redhat.com>
7608 * bitmap.c: Comment some functions; fiddle whitespace.
7609 (bitmap_free): Don't export.
7610 (bitmap_element_allocate): Use memset.
7611 * bitmap.h (bitmap_free): Don't declare.
7613 2001-07-11 Daniel Berlin <dan@cgsoftware.com>
7615 * gcse.c, lcm.c, sched-deps.c:
7616 s/free on sbitmap vectors/sbitmap_vector_free on sbitmap vectors/g
7618 * flow.c (flow_loops_find): Free dom if we found no loops, since
7619 we aren't going to save it.
7621 * lcm.c (pre_edge_rev_lcm): Free st_antin, st_antout when we are
7624 Wed Jul 11 09:00:48 2001 Jeffrey A Law (law@cygnus.com)
7626 * ssa-ccp.c (ssa_fast_dce): Free worklist when completed.
7628 Wed Jul 11 10:07:18 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7630 * dwarf2out.c (dwarf2out_init, dwarf2out_finish): Add dummy version
7631 #ifndef DWARF2_DEBUGGING_INFO.
7633 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
7635 * simplify-rtx.c (simplify_gen_subreg): Return null for QUEUED rtxes.
7637 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
7639 * config/mips/mips.c (gen_int_relational): Tell the caller not to
7640 reverse a branch if a NE comparison is implemented with GTU.
7642 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
7643 H.J. Lu <hjl@gnu.org>
7645 * mips.md (call_internal1): Use CONSTANT_ADDRESS_P to check for
7647 (call_internal2): Likewise.
7648 (call_value_internal1): Likewise.
7649 (call_value_internal2): Likewise.
7650 (call_value_multiple_internal1): Likewise.
7651 (call_value_multiple_internal2): Likewise.
7653 2001-07-10 Kazu Hirata <kazu@hxi.com>
7655 * calls.c (emit_library_call_value_1): Fix a comment typo.
7656 * dwarf2out.c (mem_loc_descriptor): Likewise.
7657 * config/i386/i386.c (ix86_expand_aligntest): Likewise.
7659 2001-07-11 David Billinghurst <David.Billinghurst@riotinto.com>
7661 * simplify-rtx.c (simplify_subreg): Fix typo in comment
7663 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7665 * recog.c (offsettable_address_p): Handle LO_SUM case.
7666 * config/mips/mips.c (double_memory_operand): Use adjust_address_nv
7667 instead of plus_constant.
7669 2001-07-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
7671 * reload1.c (merge_assigned_reloads): After a RELOAD_OTHER merge,
7672 fix setting of the reloads of that reload to RELOAD_FOR_OTHER_ADDRESS.
7674 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7676 * config/rs6000/rs6000.c (print_operand, case 'L', 'Y', 'Z'): Use
7677 adjust_address_nv instead of plus_constant.
7679 2001-07-10 Neil Booth <neil@daikokuya.demon.co.uk>
7681 * Makefile.in (toplev.o, sdbout.o, dbxout.o, dwarfout.o,
7682 dwarf2out.o): Depend on debug.h, wrap long lines.
7683 * dbxout.c: Include debug.h.
7684 (dbx_debug_hooks): New.
7685 (dbxout_init): Make static, take just 2 args.
7686 (dbxout_finish): Make static.
7687 * dbxout.h (dbxout_init, dbxout_finish): Delete.
7688 * debug.c: New file.
7689 * debug.h: New file.
7690 * dwarf2out.c: Include debug.h.
7691 (dwarf2_debug_hooks): New.
7692 (dwarf2out_init): Make static.
7693 (dwarf2out_finish): Make static, take 2 args.
7694 * dwarf2out.h (dwarf2out_init, dwarf2out_finish): Delete.
7695 * dwarfout.c: Include debug.h.
7696 (dwarf_debug_hooks): New.
7697 (dwarfout_init): Make static.
7698 (dwarfout_finish): Make static, take 2 args.
7699 * dwarfout.h (dwarfout_init, dwarfout_finish): Delete.
7700 * sdbout.c: Include debug.h.
7701 (sdb_debug_hooks): New.
7702 (sdbout_init): Make static, take 2 args.
7703 * sdbout.h (sdbout_init): Delete.
7704 * toplev.c: Include debug.h.
7706 (compile_file): Set deubg_hooks based on command line options.
7707 Use the hooks unconditionally rather than conditional compilation.
7709 Tue Jul 10 09:04:45 2001 Jeffrey A Law (law@cygnus.com)
7711 * ssa-ccp.c (first_phi_node): Remove. Replace uses with calls to
7712 first_insn_after_basic_block_note instead.
7714 * df.c (df_bb_refs_unlink): #if 0 out for now.
7716 2001-07-10 David Billinghurst <David.Billinghurst@riotinto.com
7718 * ssa.h: Add prototype for ssa_const_prop
7719 * ssa-ccp.c: Add prototype for ssa_fast_dce and mark_references
7720 (ssa_ccp_substitute_constants): Fix signed vs unsigned comparison
7721 (ssa_fast_dce): Remove unused variable
7723 2001-07-10 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
7725 * diagnostic.c (finish_diagnostic): Rename to
7726 diagnostic_finish. Make it take an 'output_buffer *'. Adjust
7729 2001-07-10 Jason Merrill <jason_merrill@redhat.com>
7731 * dwarf2out.c (dwarf2out_line): Emit -dA comment even when we have
7734 * collect2.c (main): Set COLLECT_NO_DEMANGLE for subprocesses.
7735 (dump_file): Only pad the demangled name with spaces if the
7736 mangled name was padded with spaces.
7738 2001-07-10 Bernd Schmidt <bernds@redhat.com>
7740 * bb-reorder.c (make_reorder_chain_1): Correct branch/fallthru
7743 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7745 * expr.c (expand_expr, case COMPONENT_REF): Don't force using bitfield
7746 extraction if no direct load if either EXPAND_CONST_ADDRESS or
7749 * emit-rtl.c (adjust_address, adjust_address_nv): Change criteria for
7750 whether can put offset inside LO_SUM to check mode alignment, not size.
7752 2001-07-10 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
7754 * doc/tm.texi (Misc): Fix thinko.
7756 2001-07-10 Jan van Male <jan.vanmale@fenk.wau.nl>
7758 * regmove.c (replace_in_call_usage): Fix warnings.
7759 * sched-deps.c (add_dependence): Fix warnings.
7760 * simplify-rtx.c (simplify_subreg): Likewise.
7761 Return NULL_RTX instead of NULL.
7763 * reg-stack.c (emit_swap_insn): Eliminate warnings.
7764 (subst_asm_stack_regs): Likewise.
7766 * combine.c (num_sign_bit_copies): Cast bitwidth to int to avoid
7769 * dwarf2out.c (output_call_frame_info): Declare i as int.
7770 (build_abbrev_table): Declare n_alloc as int.
7771 (dwarf2out_finish): Initialize die.
7772 * except.c: Declare sjlj_funcdef_number as unsigned.
7773 (connect_post_landing_pads): Declare j as unsigned.
7774 (convert_to_eh_region_ranges): Initialize call_site.
7775 (output_function_exception_table): Initialize tt_format_size.
7776 * expr.c (move_by_pieces_1): Initialize to1.
7777 (store_constructor): Initialize minelt and maxelt.
7778 * flow.c (mark_regs_live_at_end): Declare i as unsigned.
7779 * function.c (instantiate_decls): Avoid signed/unsigned warning.
7781 * c-decl.c (combine_parm_decls): Unused, remove.
7782 * c-tree.h: Remove prototype for combine_parm_decls.
7784 * reload.c (push_reload): Fix warning.
7785 (regno_clobbered_p): Likewise.
7786 * reload1.c (replace_pseudos_in_call_usage): Likewise.
7787 (reload_combine): Likewise.
7789 * bitmap.c: Rename bitmap_zero to bitmap_zero_bits to fix warnings.
7790 * bitmap.h: Rename bitmap_zero to bitmap_zero_bits to fix
7792 * bitmap.c (bitmap_operation): Change user.
7793 * bitmap.h (EXECUTE_IF_AND_COMPL_IN_BITMAP): Likewise.
7795 2001-07-10 Eric Christopher <echristo@redhat.com>
7797 * config/mips/mips.c (override_options): Fix typo.
7799 2001-07-09 Stan Shebs <shebs@apple.com>
7801 * target.h (struct gcc_target): New fields init_builtins and
7803 * target-def.h (TARGET_INIT_BUILTINS): New macro.
7804 (TARGET_EXPAND_BUILTIN): New macro.
7805 (TARGET_INITIALIZER): Add them.
7806 * builtins.c: Include target.h.
7807 (expand_builtin): Use targetm.expand_builtin.
7808 (default_init_builtins): New function.
7809 (default_expand_builtin): New function.
7810 * expr.h (default_init_builtins): Declare.
7811 (default_expand_builtin): Declare.
7812 * c-common.c (c_common_nodes_and_builtins): Use
7813 targetm.init_builtins.
7814 * defaults.h (MD_INIT_BUILTINS): Remove.
7815 * Makefile.in (builtins.o): Depend on target.h.
7817 * config/arm/arm.c (TARGET_INIT_BUILTINS): Define.
7818 (TARGET_EXPAND_BUILTIN): Define.
7819 * config/arm/arm.h (MD_INIT_BUILTINS): Remove.
7820 (MD_EXPAND_BUILTIN): Remove.
7822 * config/c4x/c4x.c (TARGET_INIT_BUILTINS): Define.
7823 (TARGET_EXPAND_BUILTIN): Define.
7824 (c4x_init_builtins): Make endlink arg a local.
7825 (c4x_print_operand): Fix typos in adjust_address usages.
7826 * config/c4x/c4x-protos.h (c4x_init_builtins): Update decl.
7827 * config/c4x/c4x.h (MD_INIT_BUILTINS): Remove.
7828 (MD_EXPAND_BUILTIN): Remove.
7830 * config/i386/i386.c (TARGET_INIT_BUILTINS): Define.
7831 (TARGET_EXPAND_BUILTIN): Define.
7832 (ix86_init_mmx_sse_builtins): New function, was ix86_init_builtins.
7833 (ix86_init_builtins): Call new function only if TARGET_MMX.
7834 * config/i386/i386-protos.h (ix86_init_mmx_sse_builtins): Declare.
7835 * config/i386/i386.h (MD_INIT_BUILTINS): Remove.
7836 (MD_EXPAND_BUILTIN): Remove.
7838 * config/ia64/ia64.c (TARGET_INIT_BUILTINS): Define.
7839 (TARGET_EXPAND_BUILTIN): Define.
7840 * config/ia64/ia64.h (MD_INIT_BUILTINS): Remove.
7841 (MD_EXPAND_BUILTIN): Remove.
7843 * doc/tm.texi: Document these changes.
7845 2001-07-09 Diego Novillo <dnovillo@redhat.com>
7847 * basic-block.h (tree_node): Forward declare if needed.
7848 (struct basic_block_def): Add fields 'head_tree' and 'end_tree'.
7849 (BLOCK_HEAD_TREE): Define.
7850 (BLOCK_END_TREE): Define.
7851 (struct loops): Rename field 'tree' to 'tree_root'.
7852 * flow.c (entry_exit_blocks): Add initializers for 'head_tree' and
7854 (flow_loops_tree_build): Rename reference to field 'tree' to
7856 (flow_loops_level_compute): Ditto.
7857 * predict.c (estimate_bb_frequencies): Ditto.
7858 * tree.h (struct tree_common): Add field 'aux'.
7860 2001-07-09 Stan Shebs <shebs@apple.com>
7862 * config/darwin.c (darwin_encode_section_info): Don't mark any
7863 DECL_EXTERNAL node as defined.
7865 2001-07-09 John David Anglin <dave@hiauly1.hia.nrc.ca>
7867 * pa.c (pa_init_machine_status, pa_mark_machine_status,
7868 pa_free_machine_status, hppa_init_pic_save): Delete.
7869 (hppa_pic_save_rtx): New. Use get_hard_reg_initial_val.
7870 (hppa_profile_hook): Use hppa_pic_save_rtx.
7871 * pa.h (struct machine_function, PIC_OFFSET_TABLE_SAVE_RTX,
7872 hppa_init_pic_save): Delete.
7873 (hppa_pic_save_rtx): Declare.
7874 * pa.md (call, call_value, sibcall, sibcall_value,
7875 builtin_setjmp_receiver): Use hppa_pic_save_rtx.
7877 2001-07-09 Kazu Hirata <kazu@hxi.com>
7879 * config/h8300/t-h8300 (LIB1ASMFUNCS): Add _floatdisf and _fixsfdi.
7880 * config/mn10200/t-mn10200 (LIB1ASMFUNCS): Likewise.
7882 2001-07-09 Andreas Jaeger <aj@suse.de>
7884 * output.h: Add declaration of final_forward_branch_p.
7886 * config/i386/i386.c (output_fix_trunc): Remove unused variable.
7888 * varray.c: Include errors.h for internal_error and trim_filename
7891 * Makefile.in (varray.o): Add errors.h.
7893 2001-07-09 Toon Moene <toon@moene.indiv.nluug.nl>
7895 * expr.h: Adjust prototypes for have_add2_insn, have_sub2_insn.
7896 * optabs.c (have_add2_insn): Check whether the add insn chosen
7897 really accepts the operands. (have_sub2_insn): Ditto for sub insn.
7898 * reload1.c (reload_cse_move2add): Adjust calls of have_add2_insn.
7900 Mon Jul 9 13:26:40 2001 Jeffrey A Law (law@cygnus.com)
7902 * Makefile.in (OBJS): Add ssa-ccp.o
7903 (ssa-ccp.o): Add dependencies.
7904 * toplev.c (DFI_ssa_ccp): New dump file enum.
7905 (dump_file): Add entry for dumping after SSA CCP.
7906 (flag_ssa_ccp): New flag variable.
7907 (f_options): Add -fssa-ccp.
7908 (rest_of_compilation): Run SSA CCP if requested.
7909 * timevar.def (TV_SSA_CCP): New timevar.
7910 * ssa.c (mark_phi_and_copy_regs): Handle deleted PHI nodes.
7911 * doc/gcc.texi (Passes): Add documentation for SSA CCP pass.
7912 Fix minor typo in SSA DCE documentation.
7913 * doc/invoke.texi: Add documentation for new flag -fssa-ccp.
7914 Add documentation for new dump option. Renumber dump files
7917 Mon Jul 9 21:36:00 CEST 2001 Jan Hubicka <jh@suse.cz>
7919 * emit-rtl.c (gen_highpart_mode): New.
7920 * rtl.h (gen_highpart_mode): Declare.
7921 * sparc.md (insn splitters): Use gen_highpart_mode, whenever the
7922 operand can be VOIDmode constant.
7924 Mon Jul 9 17:23:10 CEST 2001 Jan Hubicka <jh@suse.cz>
7926 * flow.c (redirect_edge_and_branch_force): New.
7927 (can_fallthru): Ensure that basic blocks are succeeding.
7928 (try_optimize_cfg): Do not delete basic block if it is the last one.
7930 * flow.c (try_redirect_by_replacing_jump): Do not remove
7931 jumps with side effects, unlink chain on fallthru edge;
7932 set block for new jump instruction; avoid basic block to
7933 over by line number note.
7935 * flow.c (try_simplify_condjump): Verify that the condjump
7936 is not always falling trought.
7939 * flow.c (try_redirect_by_replacing_jump): Remove cc0 setter.
7941 * flow.c (forwarder_block_p): Fix for fallthru blocks.
7942 (try_redirect_by_replacing_jump): Update properly the count
7943 and frequency information.
7945 Mon Jul 9 06:41:07 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7947 * emit-rtl.c (adjust_address, adjust_address_nv): Handle an
7948 address that is a LO_SUM specially.
7949 * explow.c (plus_constant_wide, case LO_SUM): Deleted.
7951 * c-lang.c (start_cdtor): Remove extra parameter from start_function.
7953 * emit-rtl.c (adjust_address_nv, replace_equiv_address_nv): New fcns.
7954 (operand_subword): Use them.
7955 (change_address_1): Renamed from change_address; new arg VALIDATE.
7956 * expr.h: Reflect above changes; change_address now macro.
7957 * alias.c (canon_rtx): Use replace_equiv_address_nv instead of
7959 * cselib.c (add_mem_for_addr): Likewise.
7960 * expr.c (protect_from_queue, emit_move_insn_1): Likewise.
7961 * regmove.c (try_apply_stack_adjustment): Likewise.
7962 * reload.c (push_reload, make_memloc): Likewise.
7963 * reload1.c (eliminate_regs): Likewise.
7964 * simplify-rtx.c (simplify_replace_rtx): Likewise.
7965 * caller-save.c (setup_save_areas): Use adjust_address_nv instead of
7967 * combine.c (make_extraction, simplify_shift_const): Likewise.
7968 (gen_lowpart_for_combine): Likewise.
7969 * cse.c (gen_lowpart_if_possible): Likewise.
7970 * function.c (fixup_var_refs_1, purge_addressof_1): Likewise.
7971 * expr.c (expand_expr, case COMPONENT_REF): Likewise.
7972 * optabs.c (gen_move_insn): Likewise.
7973 * reload1.c (alter_reg): Likewise.
7974 * simplify-rtx.c (simplify_subreg): Likewise.
7975 * stmt.c (expand_anon_union_decl): Likewise.
7976 * recog.c (validate_replace_rtx_1): Likewise.
7978 * Makefile.in (recog.o): Add $(EXPR_H).
7979 * explow.c (stabilize): Call replace_equiv_address.
7980 * expr.c (move_by_pieces_1, store_by_pieces_2): Likewise.
7981 * final.c (alter_subreg): OFFSET is HOST_WIDE_INT.
7983 2001-07-03 Andrew Haley <aph@redhat.com>
7985 * expmed.c (store_fixed_bit_field): Don't use a mode bigger than
7986 the mode of the memory location.
7988 2001-07-09 Bo Thorsen <bo@suse.co.uk>
7990 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Fix x86-64 vtable support.
7992 2001-07-09 Neil Booth <neil@daikokuya.demon.co.uk>
7994 * final.c (output_addr_const): Use target opening and
7995 closing parentheses.
7996 * target-def.h: Define TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN
7997 defaults, add to TARGET_ASM_OUT.
7998 * target.h (struct gcc_target): Add open_paren and close_paren.
7999 * doc/md.texi: Update.
8000 * doc/tm.texi: Document TARGET_ASM_FUNCTION_END_PROLOGUE,
8001 TARGET_ASM_FUNCTION_BEGIN_EPILOGUE, TARGET_ASM_OPEN_PAREN and
8002 TARGET_ASM_CLOSE_PAREN.
8003 * config/i386/i386.c (TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN):
8005 * config/pdp11/pdp11.c (TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN):
8007 * config/1750a/1750a.h (ASM_OPEN_PAREN, ASM_CLOSE_PAREN): Remove.
8008 * config/a29k/a29k.h: Similarly.
8009 * config/alpha/alpha.h: Similarly.
8010 * config/arc/arc.h: Similarly.
8011 * config/arm/aof.h: Similarly.
8012 * config/arm/aout.h: Similarly.
8013 * config/avr/avr.h: Similarly.
8014 * config/c4x/c4x.h: Similarly.
8015 * config/clipper/clipper.h: Similarly.
8016 * config/convex/convex.h: Similarly.
8017 * config/d30v/d30v.h: Similarly.
8018 * config/dsp16xx/dsp16xx.h: Similarly.
8019 * config/elxsi/elxsi.h: Similarly.
8020 * config/fr30/fr30.h: Similarly.
8021 * config/h8300/h8300.h: Similarly.
8022 * config/i370/i370.h: Similarly.
8023 * config/i386/i386.h: Similarly.
8024 * config/i860/i860.h: Similarly.
8025 * config/i960/i960.h: Similarly.
8026 * config/ia64/ia64.h: Similarly.
8027 * config/m32r/m32r.h: Similarly.
8028 * config/m68hc11/m68hc11.h: Similarly.
8029 * config/m68k/m68k.h: Similarly.
8030 * config/m88k/m88k.h: Similarly.
8031 * config/mcore/mcore.h: Similarly.
8032 * config/mips/mips.h: Similarly.
8033 * config/mn10200/mn10200.h: Similarly.
8034 * config/mn10300/mn10300.h: Similarly.
8035 * config/ns32k/ns32k.h: Similarly.
8036 * config/pa/pa.h: Similarly.
8037 * config/pdp11/pdp11.h: Similarly.
8038 * config/pj/pj.h: Similarly.
8039 * config/romp/romp.h: Similarly.
8040 * config/rs6000/rs6000.h: Similarly.
8041 * config/sh/sh.h: Similarly.
8042 * config/sparc/sparc.h: Similarly.
8043 * config/v850/v850.h: Similarly.
8044 * config/vax/vax.h: Similarly.
8045 * config/we32k/we32k.h: Similarly.
8047 2001-07-09 Joseph S. Myers <jsm28@cam.ac.uk>
8049 * doc/c-tree.texi: Document representation of attributes.
8051 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
8053 * doc/tm.texi: Update some places for the rename of target to
8056 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
8058 * target.h (struct gcc_target): Add insert_attributes.
8059 * target-def.h (TARGET_INSERT_ATTRIBUTES): Define.
8060 (TARGET_INITIALIZER): Update.
8061 * tree.c, tree.h (default_insert_attributes): New function.
8062 Update comments on other default functions to refer to targetm,
8064 * doc/tm.texi (INSERT_ATTRIBUTES): Update to document
8065 TARGET_INSERT_ATTRIBUTES.
8066 (SET_DEFAULT_DECL_ATTRIBUTES): Remove.
8067 * c-common.c (decl_attributes): Use targetm.insert_attributes.
8068 Don't use PRAGMA_INSERT_ATTRIBUTES.
8069 * Makefile.in (c-common.o): Depend on $(TARGET_H).
8070 * c-decl.c (start_decl, start_function): Don't call
8071 SET_DEFAULT_DECL_ATTRIBUTES.
8072 * config/c4x/c4x.h (SET_DEFAULT_DECL_ATTRIBUTES): Don't define.
8073 * config/c4x/c4x-protos.h (c4x_set_default_attributes): Don't
8075 * config/c4x/c4x.c (TARGET_INSERT_ATTRIBUTES): Define.
8076 (c4x_check_attribute): Avoid modifying attribute list itself.
8077 (c4x_set_default_attributes): Rename to c4x_insert_attributes.
8079 * config/sh/sh.h (PRAGMA_INSERT_ATTRIBUTES): Don't define.
8080 * config/sh/sh-protos.h (sh_pragma_insert_attributes): Don't
8082 * config/sh/sh.c (TARGET_INSERT_ATTRIBUTES): Define.
8083 (sh_pragma_insert_attributes): Rename to sh_insert_attributes.
8085 * config/v850/v850.h (SET_DEFAULT_DECL_ATTRIBUTES): Don't define.
8086 * config/v850/v850-protos.h (v850_set_default_decl_attr): Don't
8088 * config/v850/v850.c (TARGET_INSERT_ATTRIBUTES): Define.
8089 (v850_set_default_decl_attr): Rename to v850_insert_attributes.
8090 Adjust parameters. Make static.
8092 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
8094 * c-common.c (decl_attributes): Only take a single attributes
8096 * c-common.h (decl_attributes): Update prototype.
8097 * c-decl.c (start_decl, start_function): Only take a single
8098 attributes parameter. Update calls to decl_attributes.
8099 (finish_struct, finish_enum): Update calls to decl_attributes.
8100 (push_parm_decl): Expect unified list of attributes. Update call
8102 * c-parse.in (fndef, initdcl, notype_initdcl, nested_function,
8103 notype_nested_function, component_declarator,
8104 component_notype_declarator, label): Update calls to
8106 (absdcl_maybe_attribute, parm, firstparm, myparm): Unify attribute
8107 lists that are passed to push_parm_decl.
8108 * c-tree.h (start_function, start_decl): Update prototypes.
8109 * config/sh/sh-protos.h, config/sh/sh.c
8110 (sh_pragma_insert_attributes): Only take a single attributes
8112 * config/sh/sh.h (PRAGMA_INSERT_ATTRIBUTES): Likewise.
8113 * doc/tm.texi (INSERT_ATTRIBUTES): Update.
8114 * objc/objc-act.c (define_decl, generate_objc_symtab_decl,
8115 build_module_descriptor, generate_static_references,
8116 generate_strings, build_selector_translation_table,
8117 generate_descriptor_table, generate_protocols,
8118 generate_ivars_list, generate_dispatch_table,
8119 generate_protocol_list, generate_category,
8120 generate_shared_structures, really_start_method, add_objc_decls,
8121 generate_classref_translation_entry): Update calls to start_decl
8123 (build_tmp_function_decl, start_method_def): Unify attribute lists
8124 that are passed to push_parm_decl.
8126 2001-07-08 Neil Booth <neil@daikokuya.demon.co.uk>
8128 * final.c (no_asm_to_stream): New.
8129 (final_scan_insn): Use target structures for prologue ends
8130 and epilogue starts.
8131 * output.h (no_asm_to_stream): New.
8132 * target-def.h (TARGET_ASM_FUNCTION_END_PROLOGUE,
8133 TARGET_ASM_FUNCTION_BEGIN_EPILOGUE): New.
8134 (TARGET_ASM_OUT): Update.
8135 * target.h (struct gcc_target): New members function_end_prologue
8136 and function_begin_epilogue.
8137 * config/1750/1750.h (ASM_OUTPUT_FUNNAM): Delete as unused.
8138 * config/alpha/alpha-protos.h (output_end_prologue): Delete.
8139 * config/alpha/alpha.c (output_end_prologue): Rename to
8140 alpha_output_function_end_prologue. Use in target struct
8142 * config/alpha/alpha.h (FUNCTION_END_PROLOGUE): Delete.
8143 * config/ia64/ia64-protos.h (ia64_output_end_prologue): Delete.
8144 * config/ia64/ia64.c (ia64_output_end_prologue): Rename to
8145 ia64_output_function_end_prologue. Use in target struct
8147 (ia64_function_prologue, ia64_funciton_epilogue): Rename
8148 mistyped prototypes.
8149 * config/ia64/ia64.h (FUNCTION_END_PROLOGUE): Delete.
8150 * config/m88k/m88k-protos.h (m88k_end_prologue, m88k_begin_epilogue):
8152 * config/m88k/m88k.c (m88k_end_prologue, m88k_begin_epilogue): Rename
8153 an use in target struct, make static.
8154 * config/ia64/ia64.h (FUNCTION_END_PROLOGUE, FUNCTION_BEGIN_EPILOGUE):
8157 2001-07-08 Richard Henderson <rth@redhat.com>
8159 * stmt.c (emit_case_nodes): Convert modes properly in low+high test.
8161 2001-07-08 Richard Henderson <rth@redhat.com>
8163 * config/i386/i386.md: Remove constraints strings from define_split
8164 and define_peephole2 patterns.
8165 (eh_return_si, eh_return_di): Split eh_return_1 for modes.
8166 (eh_return): Use them.
8168 2001-07-08 Richard Henderson <rth@redhat.com>
8170 * doc/tm.texi (Exception Handling): New subnode of Stack and Calling.
8171 Document MD_FALLBACK_FRAME_STATE_FOR.
8173 2001-07-07 Stephane Carrez <Stephane.Carrez@worldnet.fr>
8175 * config/m68hc11/m68hc11.c (m68hc11_initial_elimination_offset):
8176 Take into account m68hc11_sp_correction for FRAME_POINTER_REGNUM
8178 * config/m68hc11/m68hc11.h (STARTING_FRAME_OFFSET): Use 0.
8180 2001-07-07 Nick Clifton <nickc@cambridge.redhat.com>
8182 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Append # to end
8183 of the label inside NAME as opposed to just the end of NAME.
8185 2001-07-07 Neil Booth <neil@daikokuya.demon.co.uk>
8187 * config/alpha/alpha-protos.h (vms_valid_decl_attribute_p): Delete.
8188 * config/alpha/alpha.c (alpha_init_machine_status,
8189 alpha_mark_machine_status, alpha_free_machine_status): Delete.
8190 (TARGET_VALID_DECL_ATTRIBUTE): Define for VMS.
8191 (vms_valid_decl_attribute_p): Make static, conditionally compile.
8192 * config/alpha/alpha.h (VALID_MACHINE_DECL_ATTRIBUTE): Delete.
8194 2001-07-06 Stan Shebs <shebs@apple.com>
8196 * target.h (targetm): Rename global from "target", so as not to
8197 conflict with local variables.
8199 * c-typeck.c: Ditto.
8203 * cp/decl2.c: Ditto.
8204 * cp/typeck.c: Ditto.
8205 * 1750a/1750a.c: Ditto.
8206 * a29k/a29k.c: Ditto.
8210 * clipper/clipper.c: Ditto.
8211 * convex/convex.c: Ditto.
8212 * d30v/d30v.c: Ditto.
8213 * dsp16xx/dsp16xx.c: Ditto.
8214 * elxsi/elxsi.c: Ditto.
8215 * fr30/fr30.c: Ditto.
8216 * h8300/h8300.c: Ditto.
8217 * i370/i370.c: Ditto.
8218 * i386/i386.c: Ditto.
8219 * i860/i860.c: Ditto.
8220 * i960/i960.c: Ditto.
8221 * ia64/ia64.c: Ditto.
8222 * m32r/m32r.c: Ditto.
8223 * m68hc11/m68hc11.c: Ditto.
8224 * m68k/m68k.c: Ditto.
8225 * m88k/m88k.c: Ditto.
8226 * mips/mips.c: Ditto.
8227 * ns32k/ns32k.c: Ditto.
8229 * pdp11/pdp11.c: Ditto.
8230 * romp/romp.c: Ditto.
8231 * rs6000/rs6000.c: Ditto.
8233 * sparc/sparc.c: Ditto.
8235 * we32k/we32k.c: Ditto.
8236 * doc/tm.texi: Update the manual to match.
8238 2001-07-06 Richard Henderson <rth@redhat.com>
8240 * except.h (MUST_USE_SJLJ_EXCEPTIONS): Examine the value of
8241 DWARF2_UNWIND_INFO not just whether it is defined.
8243 2001-07-06 Diego Novillo <dnovillo@redhat.com>
8245 * combine.c (combine_simplify_rtx): Also recompute 'mode' if the
8246 call to simplify_binary_operation returns a new pattern.
8248 2001-07-06 Roman Lechtchinsky <rl@cs.tu-berlin.de>
8250 * glimits.h (__SHRT_MAX__): New.
8251 (SHRT_MIN, USHRT_MAX): Define in terms of SHRT_MAX.
8252 (SHRT_MAX): Define in terms of __SHRT_MAX__.
8254 2001-07-06 Jan van Male <jan.vanmale@fenk.wau.nl>
8256 * alias.c (base_alias_check): Cast GET_MODE_UNIT_SIZE to int to
8259 2001-07-06 Richard Henderson <rth@redhat.com>
8261 * bitmap.c (bitmap_release_memory): Move adjacent to the
8262 allocation functions.
8263 (bitmap_first_set_bit, bitmap_last_set_bit): Streamline knowing
8264 the implementation. Binary search for the set bit.
8265 (bitmap_union_of_diff): Allocate the temporary on the stack
8266 instead of using xmalloc.
8268 2001-07-06 Richard Henderson <rth@redhat.com>
8270 * genrecog.c (validate_pattern): Warn for constraints in
8271 define_{expand,split,peephole2}. Remove strict_low_part
8272 before looking up match_dup.
8274 2001-07-06 DJ Delorie <dj@redhat.com>
8276 * doc/gcc.texi (Makefile): Rename to be a more general purpose
8277 chapter about various build hints and history. Add section
8278 talking about the various types of native and cross builds.
8280 2001-07-06 Neil Booth <neil@daikokuya.demon.co.uk>
8282 * Makefile.in (final.o): Depend on target.h.
8283 * final.c: Include target.h.
8284 (default_function_pro_epilogue): New.
8285 (final_start_function): Use target structure for function prologues.
8286 (final_end_function): Use target structure for function epilogues.
8287 * fold-const.c (real_hex_to_f): Constify s and p.
8288 * output.h (default_function_pro_epilogue): New.
8289 * real.h (real_hex_to_f): Update prototype.
8290 * target-def.h (TARGET_ASM_FUNCTION_PROLOGUE,
8291 TARGET_ASM_FUNCTION_EPILOGUE, TARGET_ASM_OUT): New.
8292 (TARGET_INITIALIZER): Update.
8293 * target.h (gcc_target): Add struct asm_out.
8294 * doc/tm.texi: Update.
8297 Update each arch to use TARGET_ASM_FUNCTION_PROLOGUE and
8298 TARGET_ASM_FUNCTION_EPILOGUE. Move macro code to functions
8299 in cpu/cpu.c, or rename old functions consistently. Take
8300 a HOST_WIDE INT not an int as the SIZE parameter. Remove now
8301 redundant macros and prototypes. Make new functions static.
8303 * 1750a/1750a.c: Similarly.
8304 * 1750a/1750a.h: Similarly.
8305 * a29k/a29k-protos.h: Similarly.
8306 * a29k/a29k.c: Similarly.
8307 * a29k/a29k.h: Similarly.
8308 * arc/arc-protos.h: Similarly.
8309 * arc/arc.c: Similarly.
8310 * arc/arc.h: Similarly.
8311 * arm/arm-protos.h: Similarly.
8312 * arm/arm.c: Similarly.
8313 * arm/arm.h: Similarly.
8314 * avr/avr-protos.h: Similarly.
8315 * avr/avr.c: Similarly.
8316 * avr/avr.h: Similarly.
8317 * clipper/clipper-protos.h: Similarly.
8318 * clipper/clipper.c: Similarly.
8319 * clipper/clipper.h: Similarly.
8320 * convex/convex.c: Similarly.
8321 * convex/convex.h: Similarly.
8322 * d30v/d30v-protos.h: Similarly.
8323 * d30v/d30v.c: Similarly.
8324 * d30v/d30v.h: Similarly.
8325 * d30v/d30v.md: Similarly.
8326 * dsp16xx/dsp16xx-protos.h: Similarly.
8327 * dsp16xx/dsp16xx.c: Similarly.
8328 * dsp16xx/dsp16xx.h: Similarly.
8329 * elxsi/elxsi.c: Similarly.
8330 * elxsi/elxsi.h: Similarly.
8331 * fr30/fr30.c: Similarly.
8332 * fr30/fr30.md: Similarly.
8333 * h8300/h8300-protos.h: Similarly.
8334 * h8300/h8300.c: Similarly.
8335 * h8300/h8300.h: Similarly.
8336 * i370/i370-protos.h: Similarly.
8337 * i370/i370.c: Similarly.
8338 * i370/i370.h: Similarly.
8339 * i386/i386.c: Similarly.
8340 * i386/osf1elf.h: Similarly.
8341 * i386/osfrose.h: Similarly.
8342 * i860/i860-protos.h: Similarly.
8343 * i860/i860.c: Similarly.
8344 * i860/i860.h: Similarly.
8345 * i960/i960-protos.h: Similarly.
8346 * i960/i960.c: Similarly.
8347 * i960/i960.h: Similarly.
8348 * ia64/ia64-protos.h: Similarly.
8349 * ia64/ia64.c: Similarly.
8350 * ia64/ia64.h: Similarly.
8351 * m32r/m32r-protos.h: Similarly.
8352 * m32r/m32r.c: Similarly.
8353 * m32r/m32r.h: Similarly.
8354 * m68hc11/m68hc11-protos.h: Similarly.
8355 * m68hc11/m68hc11.c: Similarly.
8356 * m68hc11/m68hc11.h: Similarly.
8357 * m68k/crds.h: Similarly.
8358 * m68k/dpx2.h: Similarly.
8359 * m68k/m68k-protos.h: Similarly.
8360 * m68k/m68k.c: Similarly.
8361 * m68k/m68k.h: Similarly.
8362 * m68k/news.h: Similarly.
8363 * m88k/m88k-protos.h: Similarly.
8364 * m88k/m88k.c: Similarly.
8365 * m88k/m88k.h: Similarly.
8366 * mips/mips-protos.h: Similarly.
8367 * mips/mips.c: Similarly.
8368 * mips/mips.h: Similarly.
8369 * ns32k/merlin.h: Similarly.
8370 * ns32k/ns32k.c: Similarly.
8371 * ns32k/ns32k.h: Similarly.
8372 * ns32k/tek6000.h: Similarly.
8373 * pa/pa-protos.h: Similarly.
8374 * pa/pa.c: Similarly.
8375 * pa/pa.h: Similarly.
8376 * pdp11/2bsd.h: Similarly.
8377 * pdp11/pdp11-protos.h: Similarly.
8378 * pdp11/pdp11.c: Similarly.
8379 * pdp11/pdp11.h: Similarly.
8380 * romp/romp-protos.h: Similarly.
8381 * romp/romp.c: Similarly.
8382 * romp/romp.h: Similarly.
8383 * rs6000/rs6000-protos.h: Similarly.
8384 * rs6000/rs6000.c: Similarly.
8385 * rs6000/rs6000.h: Similarly.
8386 * rs6000/sysv4.h: Similarly.
8387 * sh/sh-protos.h: Similarly.
8388 * sh/sh.c: Similarly.
8389 * sh/sh.h: Similarly.
8390 * sparc/sparc-protos.h: Similarly.
8391 * sparc/sparc.c: Similarly.
8392 * sparc/sparc.h: Similarly.
8393 * vax/vax.c: Similarly.
8394 * vax/vax.h: Similarly.
8395 * vax/vms.h: Similarly.
8396 * we32k/we32k.c: Similarly.
8397 * we32k/we32k.h: Similarly.
8399 Fri Jul 6 11:47:59 2001 Jeffrey A Law (law@cygnus.com)
8401 * basic-block.h (first_insn_after_basic_block_note): Declare.
8402 * flow.c (first_insn_after_basic_block_note): Define. Moved
8404 * ssa.c (first_insn_after_basic_block_note): Remove.
8405 * ssa-dce.c (find_inherently_necessary): Consider BARRIERs
8407 (ssa_eliminate_dead_code): Properly update the CFG and PHI
8408 nodes when we find a dead conditional branch. Insert BARRIERs
8409 after any blocks with no successors, but which do not have
8412 2001-07-06 Zack Weinberg <zackw@stanford.edu>
8414 * varray.c (varray_check_failed): Use internal_error.
8416 2001-07-05 Andrew Haley <aph@redhat.com>
8418 * Makefile.in (LIB2_DIVMOD_FUNCS): New.
8419 (LIB2FUNCS): Move divmod functions to LIB2_DIVMOD_FUNCS.
8420 * mklibgcc.in: Compile LIB2_DIVMOD_FUNCS.
8422 2001-07-02 Jason Merrill <jason_merrill@redhat.com>
8424 * dwarf2out.c (mem_loc_descriptor): Only look through a constant pool
8425 reference if the target constant is also a SYMBOL_REF.
8427 2001-07-05 Eric Christopher <echristo@redhat.com>
8429 * config/mips/mips.h (MASK_MIPS3900): Remove.
8430 (MASK_MIPS16,MASK_NO_CHECK_ZERO_DIV,MASK_CHECK_RANGE_DIV,
8431 MASK_UNINIT_CONST_IN_RODATA): Change for 3900 mask removal.
8432 (TARGET_MIPS3900): Change to use mips_arch.
8433 (TARGET_MIPS4000): New.
8434 (TARGET_MIPS4100): New.
8435 (TARGET_MIPS4300): New.
8436 (TARGET_SWITCHES): Change 3900 and 4650 options to NULL.
8437 (SUBTARGET_TARGET_OPTIONS): Add -march. Change help text
8439 (GENERATE_BRANCHLIKELY): Move TARGET_MIPS3900.
8440 (ISA_HAS_BRANCHLIKELY): To here.
8441 (CC1_CPU_SPEC): New.
8442 (CC1_SPEC): Use here. Remove 4650 and 3900 options.
8443 (mips_arch_string): Declare.
8444 (mips_arch): Declare.
8445 (TARGET_OPTIONS): Add -march and -mtune.
8447 * config/mips/mips.c (mips_arch_string): New.
8449 (override_options): Handle -march for codegen and -mtune
8450 for scheduling. Use mips_arch. Move tx39 target default here.
8451 (mips_parse_cpu): Move error message to override_options.
8453 * config/mips/r3900.h (TARGET_DEFAULT): Remove.
8455 * config/mips/mips.md: Use TARGET_MIPS4000 and TARGET_MIPS4300.
8457 * doc/invoke.texi (Option Summary): Add -march and -mtune entries.
8458 (MIPS Options): Ditto. Change mcpu entry to historical text.
8460 2001-07-05 H.J. Lu (hjl@gnu.org)
8462 * config/mips/mips.c (mips_parse_cpu): New function to parse
8465 2001-07-05 Jim Wilson <wilson@redhat.com>
8467 * config/ia64/lib1funcs.asm: Revert 2001-07-02 change.
8468 * config/ia64/t-ia64: Likewise.
8469 (LIB1ASMFUNCS): Update comment.
8471 2001-07-05 David Edelsohn <edelsohn@gnu.org>
8473 * doc/install.texi (Install GCC: Binaries): Fix typo.
8475 2001-07-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
8477 * config/m68hc11/m68hc11.md ("*ashlsi3"): Operand 1 can be a memory
8478 reference using the stack pointer, adjust it since we push Y
8480 ("*ashrsi3"): Likewise.
8481 ("*lshrsi3"): Likewise.
8483 2001-07-05 Stephane Carrez <Stephane.Carrez@worldnet.fr>
8485 * config/m68hc11/m68hc11.h (RETURN_ADDR_RTX): Fix return address
8486 when -fomit-frame-pointer is used.
8488 2001-07-05 Jeffrey Oldham <oldham@codesourcery.com>
8490 * flow.c: Reverse Jan Hubicka's patch of 02July2001.
8491 (try_redirect_by_replacing_jump): Reverse updating properly the
8492 count and frequency information. Reverse removing cc0 setter.
8493 (forwarder_block_p): Reverse fixing for fallthru blocks.
8495 2001-07-05 DJ Delorie <dj@redhat.com>
8497 * gcc.c (TARGET_OPTION_TRANSLATE_TABLE): New.
8498 (translate_options): If the above is defined, use it to map
8499 given options to new options.
8500 * doc/tm.texi: Document it.
8502 2001-07-05 Brad Lucier <lucier@math.purdue.edu>
8503 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
8505 * doc/invoke.texi (Optimize Options): Document that -fgcse may
8506 cause programs using computed gotos to run more slowly.
8508 2001-07-05 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8510 * doc/install.texi (Specific): Markup, spelling and typo fixes.
8512 Consistently require binutils 2.11.2, not prereleases.
8513 (Specific, decstation-*): Canonicalize as mips-dec-*.
8514 (Specific, i?86-*-sco3.2v5*): Remove make bootstrap requirement,
8516 (Specific, m68k-altos): Removed reference to README.altos, deleted.
8517 (Specific, mips-*): Reword MIPS C compiler requirements.
8518 (Specific, powerpc*-*-*): New, mention --with-cpu once.
8519 (Specific, sunv5): Removed, obsolete.
8521 2001-07-05 Nathan Sidwell <nathan@codesourcery.com>
8523 * dwarf2out.c (output_loc_list): Use an all ones mask for
8524 .text asm output and don't rely on long long
8525 literals. Reformat some long lines.
8527 2001-07-05 Andreas Jaeger <aj@suse.de>
8529 * doc/gcc.texi (GNU/Linux): Remove accidental re-add of GPL
8532 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
8534 * dwarf2out.c (dwarf2out_define): Update comment.
8535 (dwarf2out_undef): Ditto.
8536 (dwarf2out_start_source_file): Ditto.
8537 (dwarf2out_end_source_file): Ditto.
8538 (dwarf2out_finish): Output DW_MACINFO_end_file for primary file,
8539 since we never call the start/end debug hook for the primary file.
8541 2001-07-04 Kazu Hirata <kazu@hxi.com>
8543 * config/h8300/h8300.c (get_shift_alg): Remove an extra operand
8546 2001-07-04 Nathan Sidwell <nathan@codesourcery.com>
8548 * cppinit.c (remove_dup_dirs): Inform if a system include
8549 directory is being reordered.
8550 * doc/invoke.texi (Directory Options): GCC warns if you hide a
8552 * doc/cpp.texi (Search Paths): Likewise.
8553 * doc/gcc.texi (Interoperation): Remove information about
8556 2001-07-04 Nathan Sidwell <nathan@codesourcery.com>
8558 * varray.h (VARRAY_TOP_GENERIC_PTR): Remove spurious parameter.
8559 (VARRAY_TOP_CHAR_PTR): Likewise.
8561 2001-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8563 * gcc.c (process_command): Don't assign elements of a const char*.
8565 Wed Jul 4 13:40:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8567 * emit-rtl.c (change_address): Don't abort if invalid address while
8568 reload is in progress.
8570 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
8572 * c-lex.c (cb_file_change): Pass line number to
8573 debug_start_source_file.
8574 (cb_undefine): Pass correct line number to debug_undef.
8576 * toplev.c (debug_start_source_file): Add line number to
8577 parameters. Pass it along to dwarf2out_start_source_file.
8578 (decode_g_option): Stop resetting debug level back to normal when
8579 we change debug formats, unless the current level is
8580 none. (Before, -g3 -gdwarf-2 would use debug level 2, rather than
8583 * toplev.h (debug_start_source_file): Add line number to
8586 * dwarf2out.h (dwarf2out_start_source_file): Add line number to
8589 * dwarf2out.c (dwarf2out_start_source_file): Add line number to
8591 Output debug_macinfo data for starting file if requested.
8592 (dwarf2out_end_source_file): Output debug_macinfo data for ending
8594 (dwarf2out_define): Output debug_macinfo data for defining a macro
8596 (dwarf2out_undef): Output debug_macinfo data for undefining a
8598 (DEBUG_MACINFO_SECTION): New. DWARF2 macro info section name.
8599 (DEBUG_MACINFO_SECTION_LABEL): New. DWARF2 macro info section label.
8600 (macinfo_section_label): New. DWARF2 macro info section label.
8601 (dwarf2out_init): If we want macro info, output the start label
8603 (dwarf2out_finish): If we want macro info, add a DW_AT_macro_info
8604 attribute to the compilation unit die pointing to the macro info.
8606 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
8608 * dwarf2out.c (new_loc_list): Move to inside #ifdef
8609 DWARF2_DEBUGGING_INFO.
8610 (add_loc_descr_to_loc_list): Ditto.
8611 (output_loc_list): Ditto.
8612 Also, fix thinko in curr not being initialized.
8613 (gen_internal_sym): Ditto.
8615 Wed Jul 4 13:40:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8617 * emit-rtl.c (replace_equiv_address): New function.
8618 * expr.h (replace_equiv_address): New declaration.
8619 * explow.c (validize_mem): Call it instead of change_address and
8620 also call if -fforce-addr and address is constant.
8621 * expr.c: Replace more calls to change_address with adjust_address
8622 and/or replace_equiv_address or to validize_mem.
8623 * function.c, regmove.c, config/alpha/alpha.c: Likewise.
8624 * config/arm/arm.md, config/clipper/clipper.md: Likewise.
8625 * config/dsp16xx/dsp16xx.md, config/fr30/fr30.c: Likewise.
8626 * config/i370/i370.md, config/i860/i860.md: Likewise.
8627 * config/i960/i960.md, config/mips/mips.c: Likewise.
8628 * config/mips/mips.md, config/pa/pa.md: Likewise.
8629 * config/pdp11/pdp11.md, config/rs6000/rs6000.c: Likewise.
8630 * config/rs6000/rs6000.md, config/sh/sh.md: Likewise.
8632 2001-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8634 * bitmap.c (bitmap_union_of_diff): Don't use BITMAP_ALLOCA.
8636 * bitmap.h (BITMAP_ALLOCA): Don't pass alloca as an argument to a
8639 2001-07-04 Joseph S. Myers <jsm28@cam.ac.uk>
8641 * doc/include: New directory.
8642 * doc/fdl.texi: Move to doc/include/fdl.texi.
8643 * doc/texinfo.tex: Move to doc/include/texinfo.tex.
8644 * doc/include/funding.texi, doc/include/gpl.texi: New files.
8645 * doc/gcc.texi: Use funding.texi and gpl.texi.
8646 * Makefile.in ($(docdir)/cpp.info, $(docdir)/gcc.info,
8647 $(docdir)/cppinternals.info, cpp.dvi. gcc.dvi. cppinternals.dvi):
8648 Update dependencies and use -I $(docdir)/include.
8650 2001-07-04 Anthony Green <green@redhat.com>
8652 * config/v850/t-v850 (v850-c.o): Add missing dependencies.
8654 2001-07-04 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
8656 * doc/install.texi (sparc64-*-*): Remove garbage.
8658 Wed Jul 4 09:07:44 2001 Jan van Male <jan.vanmale@fenk.wau.nl>
8660 * i386.c (ix86_expand_builtin, case IX86_BUILTIN_SETPS):
8661 Fix typo in last change to use adjust_address.
8663 2001-07-04 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
8665 * doc/install.texi (Specific): Update information for *-*-solaris*.
8667 Tue Jul 3 22:33:15 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8669 * explow.c (plus_constant_wide): Reinitialize Y for restart.
8671 2001-07-03 Stan Shebs <shebs@apple.com>
8673 * config/darwin.h (SECTION_FUNCTION): Remove WAS_TEXT argument, remove
8674 case for flag_no_mach_text_sections.
8675 (EXTRA_SECTION_FUNCTIONS): Remove arg from uses of SECTION_FUNCTION.
8676 * config/darwin.c (flag_no_mach_text_sections): Remove.
8677 * config/darwin-protos.h (darwin_init_pragma): Remove decl.
8679 Tue Jul 3 15:35:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8681 * explow.c (plus_constant_wide, case PLUS): Call find_constant_term
8682 and avoid checking for constant as first operand.
8683 * recog.c (find_constant_term_loc): No longer static.
8684 (adj_offettable_operand): Delete.
8685 * rtl.h (adj_offsettable_operand): Delete declaration.
8686 (find_constant_term): Add declaration.
8687 * caller-save.c: Replace calls to adj_offsettable_operand with calls
8689 * config/arm/arm.c, config/c4x/c4x.c: Likewise.
8690 * config/clipper/clipper.md, config/h8300/h8300.c: Likewise.
8691 * config/i386/i386.c, config/i386/i386.md: Likewise.
8692 * config/i860/i860.c, config/i960/i960.c: Likewise.
8693 * config/i960/i960.md, config/m68hc11/m68hc11.c: Likewise.
8694 * config/m68k/m68k.c, config/m68k/m68k.md: Likewise.
8695 * config/m88k/m88k.md, config/mcore/mcore.c: Likewise.
8696 * config/mips/mips.c, config/mips/mips.md: Likewise.
8697 * config/mn10200/mn10200.c, config/mn10300/mn10300.c: Likewise.
8698 * config/ns32k/ns32k.c, config/ns32k/ns32k.md: Likewise.
8699 * config/pa/pa.c, config/pdp11/pdp11.c: Likewise.
8700 * config/pdp11/pdp11.md, config/sh/sh.c, config/v850/v850.c: Likewise.
8701 * config/vax/vax.md, config/ns32k/ns32k.c: Likewise.
8702 * config/ns32k/ns32k.md: Likewise.
8704 2001-07-03 Zack Weinberg <zackw@stanford.edu>
8706 * rtl.c (copy_rtx): Handle 'T' format letter.
8707 * gensupport.c (collect_insn_data): Likewise.
8708 * print-rtl.c (print_rtx): Print 'T' slots like 's'.
8710 2001-07-03 Nick Clifton <nickc@cambridge.redhat.com>
8712 * doc/invoke.texi (Directory Options): Specifiy range for <N> in
8713 -B option. Use 'dir' not 'foo' as example directory name.
8715 2001-07-03 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8717 * config/i386/sol2.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
8718 Fixes PRs bootstrap/3067, bootstrap/3249, bootstrap/3275.
8720 2001-07-03 Joseph S. Myers <jsm28@cam.ac.uk>
8722 * doc/cppinternals.texi: Improve formatting and logical markup.
8724 2001-07-03 Andreas Jaeger <aj@suse.de>
8726 * Makefile.in (insn-recog.o): Add dependency on reload.h.
8728 * genrecog.c (write_header): Include reload.h for prototypes in
8731 2001-07-03 Neil Booth <neil@daikokuya.demon.co.uk>
8734 * i386/cygwin.h (VALID_MACHINE_DECL_ATTRIBUTE,
8735 VALID_MACHINE_TYPE_ATTRIBUTE): Remove.
8736 * i386/i386-protos.h (i386_pe_valid_decl_attribute_p,
8737 i386_pe_valid_type_attribute_p): Add.
8738 * i386/i386.c (TARGET_INITIALIZER): Override for cygwin targets.
8739 * i386/winnt.c (i386_valid_decl_attribute_p): Return directly.
8741 Mon Jul 2 21:52:19 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8743 * explow.c (plus_constant_wide, case LO_SUM): New case.
8744 (plus_constant_for_output_wide): Delete.
8745 * rtl.h (plus_constant_for_output): Delete.
8746 * alias.c (canon_rtx, init_alias_analysis): Call plus_constant
8747 instead of plus_constant_for_output.
8748 * recog.c (offsettable_address_p, adj_offsettable_operand): Likewise.
8749 * config/darwin.c, config/arm/arm.c, config/m68k/m68k.c: Likewise.
8750 * config/m88k/m88k.c, config/mips/mips.c, config/pa/pa.c: Likewise.
8751 * config/rs6000/rs6000.c, config/sparc/sparc.c: Likewise.
8752 * config/sparc/sparc.md: Likewise.
8753 Convert some change_address calls to adjust_address.
8755 2001-07-03 Joseph S. Myers <jsm28@cam.ac.uk>
8757 * doc/extend.texi, doc/gcc.texi, doc/invoke.texi, doc/md.texi,
8758 doc/rtl.texi, doc/tm.texi: Improve formatting. Improve
8759 documentation of -std and -Wwrite-strings.
8761 2001-07-02 Geoffrey Keating <geoffk@redhat.com>
8763 * cse.c (canon_hash): Don't register registers in very small
8764 register classes, as extending their lifetime might cause
8767 Mon Jul 2 23:14:00 CEST 2001 Jan Hubicka <jh@suse.cz>
8769 * flow.c (try_redirect_by_replacing_jump): Remove cc0 setter.
8771 * flow.c (forwarder_block_p): Fix for fallthru blocks.
8772 (try_redirect_by_replacing_jump): Update properly the count
8773 and frequency information.
8775 Mon Jul 2 14:20:13 2001 Jeffrey A Law (law@cygnus.com)
8777 * toplev.c (dump_file_index): Move SSA dumps just after first
8779 (dump_file): Corresponding changes.
8780 (rest_of_compilation): Move SSA path to just after the first
8782 * doc/gcc.texi (Passes): Update due to movement of SSA path.
8783 * doc/invoke.texi: Update dump file #s as they were completely
8784 out of date with reality.
8786 2001-07-02 Geoffrey Keating <geoffk@redhat.com>
8788 * doc/tm.texi (Frame Layout): Document STACK_PUSH_CODE.
8790 * expr.c (emit_move_insn_1): Deal with non-default
8793 * expr.c (emit_single_push_insn): Fix warning.
8795 2001-07-02 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
8797 * expr.c (emit_move_insn_1): Avoid modifying
8798 cfun->expr->x_stack_pointer when PUSH_ROUNDING is defined.
8800 Mon Jul 2 15:33:31 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8802 * emit-rtl.c (adjust_address): New function.
8803 * expr.h (adjust_address): Add declaration.
8804 * builtins.c: Replace some calls to change_address with calls to it
8806 * caller-save.c, dwarf2out.c, except.c, expmed.c, expr.c: Likewise.
8807 * function.c, config/a29k/a29k.md, config/alpha/alpha.c: Likewise.
8808 * config/arm/arm.c, config/convex/convex.c: Likewise.
8809 * config/dsp16xx/dsp16xx.md, config/fr30/fr30.c: Likewise.
8810 * config/i386/i386.c, config/i386/i386.md: Likewise.
8811 * config/ia64/ia64.c, config/ia64/ia64.md: Likewise.
8812 * config/m32r/m32r.c, config/m68k/m68k.md: Likewise.
8813 * config/m88k/m88k.c, config/mips/mips.md: Likewise.
8814 * config/ns32k/ns32k.c, config/rs6000/rs6000.c: Likewise.
8815 * config/sh/sh.c, config/sparc/sparc.md: Likewise.
8817 2001-07-02 Jim Wilson <wilson@redhat.com>
8819 * config/ia64/ia64.h: Delete obsolete lib1funcs.asm comment.
8821 2001-07-02 Steve Ellcey <sje@cup.hp.com>
8823 * config/ia64/t-ia64: Change LIB1ASMFUNCS to use single underscore.
8824 * config/ia64/lib1funcs.asm: Change macro names to match t-ia64.
8826 2001-07-02 Zack Weinberg <zackw@stanford.edu>
8828 * cppinit.c (lang_defaults): New table.
8829 (set_lang): Just read from lang_defaults into the live options
8832 2001-07-02 Zack Weinberg <zackw@stanford.edu>
8834 * Makefile.in (doc): Depend on $(GENERATED_MANPAGES).
8835 * doc/.cvsignore: Add gcc.1, cpp.1, gcov.1.
8836 * doc/gcc.1, doc/cpp.1, doc/gcov.1: Removed.
8838 2001-07-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8840 * doc/install.texi: Various spelling and markup fixes.
8841 (Installing GCC): Component specific installation instructions are
8844 Warn about removing old install dir in the presence of shared libs.
8845 (Configuration): Invoke with options target to match configure
8847 Consistently refer to gas, gld pathnames.
8848 Invert --enable-multilib documentation.
8849 Remove references to old compiler versions.
8851 Mon Jul 2 12:50:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8853 * flow.c (try_simplify_condjump): Fix typo in updating fallthru flags.
8855 2001-07-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8857 * doc/install.texi (Specific, mips*-sgi-irix4): Split from IRIX 5
8859 (Specific, mips*-sgi-irix5): Note IDO download.
8860 Reworded MIPS C hints.
8861 Use GNU as instead of GAS.
8863 Removed SGI Freeware reference, IRIX 6 only.
8864 (Specific, mips*-sgi-irix6): Removed ranlib caveats, obsolete.
8865 Note N64 library requirement/workaround.
8867 Complete list of structure passing bug victims.
8869 2001-07-02 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
8871 * doc/install.texi: Remove CVS Id.
8873 2001-07-02 Andreas Jaeger <aj@suse.de>
8875 * ssa-dce.c (note_inherently_necessary_set): Add unused attribute.
8876 (find_inherently_necessary): Remove unused variable.
8878 2001-07-02 Nathan Sidwell <nathan@codesourcery.com>
8880 * c-common.h (TDI_inlined): New ast dump phase.
8881 (dump_flag_name): New function.
8882 * c-dump.c (dump_files): Add inlined phase.
8883 (dump_flag_name): Define.
8884 * doc/invoke.texi (-fdump-ast-inlined): Document.
8886 Mon Jul 2 06:29:36 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8888 * stor-layout.c (layout_decl): Revert change to handling of alignment
8891 Sun Jul 1 11:53:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8893 * c-common.c (decl_attributes, case A_MODE): Don't call layout_decl
8896 2001-07-01 Geoffrey Keating <geoffk@redhat.com>
8898 * doc/tm.texi (FUNCTION_ARG): Document that the last call
8901 2001-07-01 Nathan Sidwell <nathan@codesourcery.com>
8903 * tlink.c (recompile_files): Remove COMPILER_PATH and
8904 LIBRARY_PATH from the environment.
8906 2001-07-01 Zack Weinberg <zackw@stanford.edu>
8908 * c-common.h (enum rid): Add RID_FIRST_AT, RID_LAST_AT,
8909 RID_LAST_PQ. Move RID_FIRST_PQ down with the other FIRST/LAST
8911 (OBJC_IS_AT_KEYWORD, OBJC_IS_PQ_KEYWORD): New macros.
8913 * c-parse.in (OBJC_STRING): Kill.
8914 (objc_string): Decompose to [objc_string] '@' STRING.
8915 (reswords): Take the leading '@' off all the Objective C keywords.
8916 (objc_rid_sans_at): Kill.
8917 (init_reswords): Don't initialize it.
8918 (yylexname): Use OBJC_IS_AT_KEYWORD and OBJC_IS_PQ_KEYWORD.
8919 (_yylex): Kill reconsider label. Look ahead one token after
8920 an '@'; if we get an identifier, check whether it's an
8921 Objective C @-keyword. If so, return the keyword. Otherwise,
8922 put back the token and return the '@' as a terminal.
8924 * cpplib.c (lex_macro_node): Remove unnecessary check for
8925 leading '@' on identifier. Clarify control flow and commentary.
8927 Sun Jul 1 11:53:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8929 * cse.c (new_label_ref): Variable deleted.
8930 (insert): Remove set of new_label_ref.
8931 (check_for_label_ref): New function.
8932 (cse_basic_block): Don't check new_label_ref; call check_for_label_ref.
8934 See ChangeLog.5 for earlier changes.