1 21-09-2001 Richard Earnshaw (reanrsha@arm.com)
3 * cfgcleanup.c (merge_blocks_move_successor_nojumps): Don't leave
4 ADDR_VEC or ADDR_DIFF_VEC jump insns as part of the basic block
5 once merging is complete.
7 Fri Sep 21 11:20:12 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9 * integrate.c (allocate_initial_values): Eliminate unused arg warning.
11 21-09-2001 Richard Earnshaw (reanrsha@arm.com)
13 * cfgcleanup.c (flow_find_cross_jump): Delete any REG_EQUAL notes
14 that would be invalid after a merge.
16 Fri Sep 21 14:24:29 CEST 2001 Jan Hubicka <jh@suse.cz>
18 * basic-block.h (flow_delete_insn, flow_delete_insn_chain): Kill.
19 * cfg.c (delete_insn): Rename from ....; use remove_insn; do not
21 (flow_delete_insn): This one.
22 (delete_insn_chain): Rename from ...; do not care labels.
23 (flow_delete_insn_chain): ... this one.
24 (flow_delete_block): Remove the insns one BB has been expunged.
25 (merge_blocks_nomove): Likewise.
26 (try_redirect_by_replacing_jump): Use delete_insn[_chain]; do not care
27 updating BB boundaries.
28 (tidy_fallthru_edge): Likewise.
29 (commit_one_edge_insertion): Likewise.
30 * cfgbuild.c (find_basic_block): Likewise.
31 (find_basic_blocks_1): Likewise.
32 * cfgcleanup.c (merge_blocks_move_predecessor_nojumps): Likewise.
33 (try_crossjump_to_edge): Likewise.
34 (try_optimize_cfg): Likewise.
35 * cse.c (delete_trivially_dead_insns): Likewise.
36 * df.c (df_insn_delete): Likewise.
37 * doloop.c (doloop_modify): Use delete_related_insns.
38 * emit-rtl.c (try_split): Likewise.
39 (remove_insn): Update BB boundaries.
40 * expect.c (connect_post_landing_pads): Use delete_related_insns.
41 * flow.c (delete_dead_jumptables): Use delete_insn[_chain]; do not care
42 updating BB boundaries.
43 (propagate_block_delete_insn): Likewise.
44 (propagate_block_delete_libcall): Likewise.
45 * function.c (delete_handlers): Use delete_related_insns.
46 (thread_prologue_and_epilogue_insns): Likewise.
47 * gcse.c (delete_null_pointer_checks): Use delete_related_insns.
48 * genpeep.c (gen_peephole): Use delete_related_insns.
49 * ifcvt.c (noce_process_if_block): Use delete_insn; do not care updating
51 (find_cond_trap): Likewise.
52 * integrate.c (save_for_inline): Use delete_related_insns.
53 (copy_insn_list): Likewise.
54 * jump.c (pruge_linie_number_notes): Likewise.
55 (duplicate_loop_exit_test): Likewise.
56 (delete_computation): Likewise.
57 (delete_related_insn): Rename from ...; use delete_insn
58 (delete_insn): ... this one.
59 (redirect_jump): Use delete_related_insns.
60 * loop.c (scan_loop): Likewise.
61 (move_movables): Likewise.
62 (find_and_verify_loops): Likewise.
63 (check_dbra_loop): Likewise.
64 * recog.c (peephole2_optimize): Likewise.
65 * reg-stack.c (delete_insn_for_stacker): Remove.
66 (move_for_stack_reg): Use delete_insn.
67 * regmove.c (combine_stack_adjustments_for_block): Likewise.
68 * reload1.c (delete_address_reloads): Use delete_related_insns.
69 (fixup_abnormal_edges): Use delete_insn.
70 * recog.c (emit_delay_sequence): Use delete_related_insns.
71 (delete_from-delay_slot): Likewise.
72 (delete_scheduled_jump): likewise.
73 (optimize_skip): Likewise.
74 (try_merge_delay_insns): Likewise.
75 (full_simple_delay_slots): Likewise.
76 (fill_slots_from_thread): Likewise.
77 (relax_delay_slots): Likewise.
78 (make_return_insns): Likewise.
79 (dbr_schedule): Likewise.
80 * rtl.h (delete_insn): Rename to delete_related_insns.
81 (delete_insn, delete_insn_chain): New prototypes.
82 * ssa-ccp (sse_fast_dce): Remove deleting of DEF, as it is done
83 by df_insn_delete already.
84 * ssa-dce.c (delete_insn_bb): Use delete_insn.
85 * ssa.c (convert_from_ssa): Use delete_related_insns.
86 * unroll.c (unroll_loop): Likewise.
87 (calculate_giv_inc): Likewise.
88 (copy_loop_body): Likewise.
90 * i386-protos.h (ix86_libcall_value, ix86_function_value,
91 ix86_function_arg_regno_p, ix86_function_arg_boundary,
92 ix86_return_in_memory, ix86_function_value): Declare.
93 * i386.c (x86_64_int_parameter_registers, x86_64_int_return_registers):
94 new static valurables.
95 (x86_64_reg_class): New enum
96 (x86_64_reg_class_name): New array.
97 (classify_argument, examine_argument, construct_container,
98 merge_classes): New static functions.
99 (optimization_options): Enable flag_omit_frame_pointer and disable
100 flag_pcc_struct_return on 64bit.
101 (ix86_libcall_value, ix86_function_value,
102 ix86_function_arg_regno_p, ix86_function_arg_boundary,
103 ix86_return_in_memory, ix86_function_value): New global functions.
104 (init_cumulative_args): Refuse regparm on x86_64, set maybe_vaarg.
105 (function_arg_advance): Handle x86_64 passing conventions.
106 (function_arg): Likewise.
107 * i386.h (FUNCTION_ARG_BOUNDARY): New macro.
108 (RETURN_IN_MEMORY): Move offline.
109 (FUNCTION_VALUE, LIBCALL_VALUE): Likewise.
110 (FUNCTION_VALUE_REGNO_P): New macro.
111 (FUNCTION_ARG_REGNO_P): Move offline.
112 (struct ix86_args): Add maybe_vaarg.
113 * next.h (FUNCTION_VALUE_REGNO_P): Delete.
114 * unix.h (FUNCTION_VALUE_REGNO_P): Delete.
116 2001-09-21 Hartmut Penner <hpenner@de.ibm.com>
118 * s390.md: Changed attributes for scheduling.
119 * s390.c: (s390_adjust_cost, s390_adjust_priority)
122 2001-09-21 Joseph S. Myers <jsm28@cam.ac.uk>
124 Table-driven attributes.
125 * c-decl.c, config/alpha/alpha.c, config/arc/arc.c,
126 config/arm/arm.c, config/arm/pe.c, config/avr/avr.c,
127 config/avr/avr.h, config/d30v/d30v.h, config/fr30/fr30.h,
128 config/h8300/h8300.c, config/i386/cygwin.h, config/i386/winnt.c,
129 config/m32r/m32r.c, config/mcore/mcore.c, config/sh/sh.c,
130 config/stormy16/stormy16.h, config/v850/v850.c, doc/c-tree.texi,
131 doc/tm.texi, ggc-common.c, integrate.c, print-tree.c, tree.c,
132 tree.h: Rename DECL_MACHINE_ATTRIBUTES to DECL_ATTRIBUTES.
133 * tree.h (struct tree_decl): Change machine_attributes to
135 * doc/c-tree.texi: Document that all attributes are now attached
137 * c-common.c (add_attribute, attrtab, attrtab_idx,
138 default_valid_lang_attribute, valid_lang_attribute): Remove.
139 (attribute_tables, attributes_initialized,
140 c_common_attribute_table, default_lang_attribute_table): New
142 (handle_packed_attribute, handle_nocommon_attribute,
143 handle_common_attribute, handle_noreturn_attribute,
144 handle_unused_attribute, handle_const_attribute,
145 handle_transparent_union_attribute, handle_constructor_attribute,
146 handle_destructor_attribute, handle_mode_attribute,
147 handle_section_attribute, handle_aligned_attribute,
148 handle_weak_attribute, handle_alias_attribute,
149 handle_no_instrument_function_attribute,
150 handle_no_check_memory_usage_attribute, handle_malloc_attribute,
151 handle_no_limit_stack_attribute, handle_pure_attribute): New
153 (init_attributes, decl_attributes): Rewrite to implement
154 table-driven attributes.
155 * c-common.h (enum attribute_flags): Move to tree.h.
156 * c-format.c (decl_handle_format_attribute,
157 decl_handle_format_arg_attribute): Rename to
158 handle_format_attribute and handle_format_arg_attribute. Update
159 for table-driven attributes.
160 * c-common.h (decl_handle_format_attribute,
161 decl_handle_format_arg_attribute): Remove prototypes.
162 (handle_format_attribute, handle_format_arg_attribute): Add
164 * c-decl.c (grokdeclarator): Handle attributes nested inside
166 * c-parse.in (setattrs, maybe_setattrs): Remove.
167 (maybe_type_quals_setattrs): Rename to maybe_type_quals_attrs.
168 Update to handle nested attributes properly.
169 (maybe_resetattrs, after_type_declarator,
170 parm_declarator_nostarttypename, notype_declarator, absdcl1_noea,
171 absdcl1_ea, direct_absdcl1): Update to handle nested attributes
173 (make_pointer_declarator): Update to handle nested attributes
175 * doc/extend.texi: Update documentation of limits of attributes
176 syntax. Warn about problems with attribute semantics in C++.
177 * target.h (struct target): Remove valid_decl_attribute and
178 valid_type_attribute. Add attribute_table and
179 function_attribute_inlinable_p.
180 * target-def.h (TARGET_VALID_DECL_ATTRIBUTE,
181 TARGET_VALID_TYPE_ATTRIBUTE): Remove.
182 (TARGET_ATTRIBUTE_TABLE, TARGET_FUNCTION_ATTRIBUTE_INLINABLE_P):
184 (TARGET_INITIALIZER): Update.
185 * integrate.c (FUNCTION_ATTRIBUTE_INLINABLE_P): Remove default
187 (function_attribute_inlinable_p): New function. Check for the
188 presence of any machine attributes before using
189 targetm.function_attribute_inlinable_p.
190 (function_cannot_inline_p): Update.
191 * Makefile.in (integrate.o): Update dependencies.
192 * doc/tm.texi: Update documentation of target attributes and
193 example definition of TARGET_VALID_TYPE_ATTRIBUTE.
194 * tree.c (default_valid_attribute_p, valid_machine_attribute):
196 (default_target_attribute_table,
197 default_function_attribute_inlinable_p): New.
198 (lookup_attribute): Update comment to clarify handling of multiple
199 attributes with the same name.
200 (merge_attributes, attribute_list_contained): Allow multiple
201 attributes with the same name but different arguments to appear in
202 the same attribute list.
203 * tree.h (default_valid_attribute_p): Remove prototype.
204 (struct attribute_spec): New.
205 (default_target_attribute_table): Declare.
206 (enum attribute_flags): Move from c-common.h. Add
207 ATTR_FLAG_TYPE_IN_PLACE.
208 (default_function_attribute_inlinable_p): Declare.
209 * config/alpha/alpha.c (vms_valid_decl_attribute_p): Remove.
210 (TARGET_VALID_DECL_ATTRIBUTE): Don't define.
211 (TARGET_ATTRIBUTE_TABLE): Define.
212 (vms_attribute_table): New.
213 * config/arc/arc.c (arc_valid_decl_attribute): Remove.
214 (TARGET_VALID_DECL_ATTRIBUTE): Don't define.
215 (TARGET_ATTRIBUTE_TABLE): Define.
216 (arc_attribute_table, arc_handle_interrupt_attribute): New.
217 * config/arm/arm.c (arm_valid_type_attribute_p,
218 arm_valid_decl_attribute_p, arm_pe_valid_decl_attribute_p):
220 (TARGET_VALID_TYPE_ATTRIBUTE, TARGET_VALID_DECL_ATTRIBUTE): Don't
222 (TARGET_ATTRIBUTE_TABLE): Define.
223 (arm_attribute_table, arm_handle_fndecl_attribute,
224 arm_handle_isr_attribute): New.
225 * config/avr/avr.c (avr_valid_type_attribute,
226 avr_valid_decl_attribute): Remove.
227 (TARGET_VALID_DECL_ATTRIBUTE, TARGET_VALID_TYPE_ATTRIBUTE): Don't
229 (TARGET_ATTRIBUTE_TABLE): Define.
230 (avr_attribute_table, avr_handle_progmem_attribute,
231 avr_handle_fndecl_attribute): New.
232 * config/c4x/c4x.c (c4x_valid_type_attribute_p): Remove.
233 (TARGET_VALID_TYPE_ATTRIBUTE): Don't define.
234 (TARGET_ATTRIBUTE_TABLE): Define.
235 (c4x_attribute_table, c4x_handle_fntype_attribute): New.
236 * config/h8300/h8300.c (h8300_valid_decl_attribute): Remove.
237 (TARGET_VALID_DECL_ATTRIBUTE): Don't define.
238 (TARGET_ATTRIBUTE_TABLE): Define.
239 (h8300_attribute_table, h8300_handle_fndecl_attribute,
240 h8300_handle_eightbit_data_attribute,
241 h8300_handle_tiny_data_attribute): New.
242 * config/i386/i386-protos.h (ix86_valid_type_attribute_p,
243 i386_pe_valid_decl_attribute_p, i386_pe_valid_type_attribute_p):
245 (ix86_handle_dll_attribute, ix86_handle_shared_attribute): New
247 * config/i386/i386.c (ix86_valid_type_attribute_p: Remove.
248 (TARGET_VALID_TYPE_ATTRIBUTE, TARGET_VALID_DECL_ATTRIBUTE): Don't
250 (TARGET_ATTRIBUTE_TABLE): Define.
251 (ix86_attribute_table, ix86_handle_cdecl_attribute,
252 ix86_handle_regparm_attribute): New.
253 * config/i386/winnt.c (i386_pe_valid_decl_attribute_p,
254 i386_pe_valid_type_attribute_p): Remove.
255 (ix86_handle_dll_attribute, ix86_handle_shared_attribute): New.
256 * config/ia64/ia64.c (ia64_valid_type_attribute): Remove.
257 (TARGET_VALID_TYPE_ATTRIBUTE): Don't define.
258 (TARGET_ATTRIBUTE_TABLE): Define.
259 (ia64_attribute_table): New.
260 * config/m32r/m32r.c (m32r_valid_decl_attribute, interrupt_ident1,
261 interrupt_ident2, model_ident1, model_ident2): Remove.
262 (TARGET_VALID_DECL_ATTRIBUTE): Don't define.
263 (TARGET_ATTRIBUTE_TABLE): Define.
264 (init_idents): Update.
265 (m32r_attribute_table, m32r_handle_model_attribute): New.
266 * config/m68hc11/m68hc11.c (m68hc11_valid_type_attribute_p):
268 (TARGET_VALID_TYPE_ATTRIBUTE): Don't define.
269 (TARGET_ATTRIBUTE_TABLE): Define.
270 (m68hc11_attribute_table, m68hc11_handle_fntype_attribute): New.
271 * config/mcore/mcore.c (mcore_valid_decl_attribute): Remove.
272 (TARGET_VALID_DECL_ATTRIBUTE): Don't define.
273 (TARGET_ATTRIBUTE_TABLE): Define.
274 (mcore_attribute_table, mcore_handle_naked_attribute): New.
275 * config/ns32k/ns32k.c (ns32k_valid_type_attribute_p): Remove.
276 (TARGET_VALID_TYPE_ATTRIBUTE): Don't define.
277 (TARGET_ATTRIBUTE_TABLE): Define.
278 (ns32k_attribute_table, ns32k_handle_fntype_attribute): New.
279 * config/rs6000/rs6000.c (rs6000_valid_type_attribute_p): Remove.
280 (TARGET_VALID_TYPE_ATTRIBUTE): Don't define.
281 (TARGET_ATTRIBUTE_TABLE): Define.
282 (rs6000_attribute_table, rs6000_handle_longcall_attribute): New.
283 * config/sh/sh.c (sh_valid_decl_attribute): Remove.
284 (TARGET_VALID_DECL_ATTRIBUTE): Don't define.
285 (TARGET_ATTRIBUTE_TABLE): Define.
286 (sh_attribute_table, sh_handle_interrupt_handler_attribute,
287 sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
289 * config/stormy16/stormy16.c (stormy16_valid_type_attribute):
291 (TARGET_VALID_TYPE_ATTRIBUTE): Don't define
292 (TARGET_ATTRIBUTE_TABLE): Define.
293 (stormy16_attribute_table, stormy16_handle_interrupt_attribute):
295 * config/v850/v850.c (v850_valid_decl_attribute): Remove.
296 (TARGET_VALID_DECL_ATTRIBUTE): Don't define.
297 (TARGET_ATTRIBUTE_TABLE): Define.
298 (v850_attribute_table, v850_handle_interrupt_attribute,
299 v850_handle_data_area_attribute): New.
300 * config/v850/v850-c.c (mark_current_function_as_interrupt):
301 Return void. Call decl_attributes instead of
302 valid_machine_attribute.
304 Fri Sep 21 01:49:41 2001 J"orn Rennecke <amylaar@redhat.com>
306 * sh-protos.h (sh_pr_n_sets): Declare.
307 * sh.c (calc_live_regs): If the initial value for PR has been copied,
308 look at the copy to determine if PR needs to be saved.
309 sh_pr_n_sets: New function.
310 * sh.h (RETURN_ADDR_RTX): Use get_hard_reg_initial_val.
311 (ALLOCATE_INITIAL_VALUE): Define.
313 * sh.c (initial_elimination_offset):
314 Fix RETURN_ADDRESS_POINTER_REGNUM case.
316 Fri Sep 21 01:13:56 2001 J"orn Rennecke <amylaar@redhat.com>
318 * integrate.c (allocate_initial_values): New function.
319 * integrate.h (allocate_initial_values): Declare.
320 * local-alloc.c (local_alloc): Move call to allocate_reg_info from
322 * reload1.c (reload): And initialization of reg_equiv_memory_loc
324 * toplev.c (rest_of_compilation): To here.
325 Call allocate_initial_values.
326 * tm.texi: add description for ALLOCATE_INITIAL_VALUE.
328 Thu Sep 20 09:00:27 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
330 * ggc-page.c (ggc_marked_p): Properly convert return to boolean.
332 2001-09-20 DJ Delorie <dj@redhat.com>
334 * c-typeck.c (really_start_incremental_init): Discriminate
335 between zero-length arrays and flexible arrays.
336 (push_init_level): Detect zero-length arrays and handle them
337 like fixed-sized arrays.
338 * expr.c (store_constructor): Handle zero-length arrays and
339 flexible arrays correctly.
340 * doc/extend.texi: Update zero-length array notes.
342 2001-09-20 Jim Wilson <wilson@redhat.com>
344 * config/ia64/ia64.c (itanium_split_issue): Allow max 2 FP per cycle.
345 (insn_matches_slot): Handle TYPE_L and TYPE_X slots when checking
346 for issue port conflicts.
347 (cycle_end_fill_slots): TYPE_L instructions take two slots.
349 2001-09-20 Andrew MacLeod <amacleod@redhat.com>
351 * testsuite/gcc.c-torture/execute/990208-1.x: New. XFAIL at -O3
354 Thu Sep 20 09:00:27 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
356 * fold-const.c (hashtab.h): Include.
357 (int_const_binop): Remove FORSIZE arg and compute from type; all
359 Call size_int_type_wide for all single-word constants.
360 (size_htab_hash, size_htab_eq): New functions.
361 (size_int_type_wide): Rework to use hash table.
362 * ggc-common.c (hashtab.h): Include.
363 (struct d_htab_root): New struct.
364 (d_htab_roots): New variable.
365 (ggc_add_deletable_htab, ggc_htab_delete): New functions
366 (ggc_mark_roots): Handle deletable htabs.
367 * ggc-page.c (ggc_marked_p): New function.
368 * ggc-simple.c (ggc_marked_p): Likewise.
369 * ggc.h: Reformatting throughout.
370 (ggc_marked_p, ggc_add_deletable_htab): New declarations.
371 * tree.c (init_obstacks): Make type_hash_table a deletable root.
372 (type_hash_add): Allocate struct type_hash from GC memory.
373 (mark_hash_entry, mark_type_hash): Deleted.
374 (type_hash_marked_p, type_hash_mark): New functions.
375 * Makefile.in (ggc-common.o, fold-const.o): Include hashtab.h.
377 Thu Sep 20 12:49:34 2001 J"orn Rennecke <amylaar@redhat.com>
379 * sh.c (shiftcosts): Don't use shiftcosts array for modes wider
382 Thu Sep 20 09:00:27 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
384 * stor-layout.c (layout_type, case ARRAY_TYPE): Kludge to disable
385 array-too-large test for signed sizetype.
387 Thu Sep 20 12:19:36 CEST 2001 Jan Hubicka <jh@suse.cz>
389 * i386.md (indirect_jump): Allow Pmode operand.
390 (tablejump): LIkewise; perform expansion to 64bit mode.
391 * i386.c (symbolic_operand): Allow 64bit PIC references.
392 (pic_symbolic_operand): Likewise.
393 (ix86_find_base_term): Strip the 64bit PIC references.
394 (legitimate_pic_address_disp_p): Handle 64bit PIC.
395 (legitimize_pic_address): Likewise.
396 (i386_simplify_dwarf_addr): Strip down the 64bit PIC references.
397 * i386.h (CASE_VECTOR_MODE): Set to SImode for 64bit PIC compilation.
399 2001-09-19 Alexandre Petit-Bianco <apbianco@redhat.com>
401 * stringpool.c (get_identifier_with_length): New function.
402 * tree.h (get_identifier_with_length): New prototype.
404 2001-09-19 Alan Modra <amodra@bigpond.net.au>
405 David Edelsohn <edelsohn@gnu.org>
408 * config/rs6000/rs6000.c (logical_operand): CONST_INTs are
409 already sign-extended.
411 * config/rs6000/aix.h (INIT_TARGET_OPTABS): Define TFmode handlers.
412 * config/rs6000/rs6000.c (logical_operand): Always compare op as
414 (rs6000_emit_set_long_const): Avoid unnecessary shift.
415 (output_profile_hook): Declare label_name const.
416 * config/rs6000/rs6000.md (boolcsi3, boolcdi3): Change predicates
417 to match constraints.
419 2001-09-19 Stan Shebs <shebs@apple.com>
421 * alias.c: Fix typos in comments.
422 * sched-rgn.c (init_ready_list): Ditto.
423 * unwind-dw2.c (uw_frame_state_for): Ditto.
424 * unwind-dw2-fde.c (_Unwind_Find_FDE): Ditto.
425 * unwind.inc (_Unwind_RaiseException_Phase2): Ditto.
426 * config/rs6000/rs6000.c (rs6000_adjust_priority): Ditto.
428 2001-09-19 Richard Henderson <rth@redhat.com>
430 * cfg.c (force_nonfallthru_and_redirect): Handle redirecting
432 * Makefile.in (cfg.o): Depend on TM_P_H.
434 2001-09-19 Richard Henderson <rth@redhat.com>
436 * config/alpha/alpha.c (local_symbol_p): Split out from ...
437 (local_symbolic_operand): ... here.
438 (small_symbolic_operand): Check mode.
439 (global_symbolic_operand): New.
440 (input_operand): Reject symbolics if explicit relocs.
441 (call_operand): Tidy.
442 (alpha_legitimize_address): Use movdi_er_high_g.
443 (alpha_expand_mov): Likewise.
444 * config/alpha/alpha-protos.h: Update.
445 * config/alpha/alpha.h (PREDICATE_CODES): Update.
446 * config/alpha/alpha.md (UNSPEC_LITERAL, UNSPEC_LITUSE): New.
447 (UNSPEC_LDGP2, UNSPECV_PLDGP2): New.
448 (UNSPECV_LDGP2): Remove.
449 (all call patterns): Use 's' not 'i' for symbolic constraint.
450 (call_osf call_value_osf): Use call_operand.
451 (all osf call patterns): Use $gp. New peepholes for explicit relocs.
452 (movdi_er_nofix, movdi_er_fix): Remove symbolic alternative.
453 (prologue_ldgp_1_er): Remove.
454 (ldgp_er_1, ldgp_er_2, prologue_ldgp_er_2): New.
455 (builtin_setjmp_receiver_er patterns): Use them.
456 (exception_receiver_er): Likewise.
458 2001-09-19 Richard Henderson <rth@redhat.com>
460 * cfgbuild.c (find_sub_basic_blocks): Handle insns that can throw.
462 * emit-rtl.c (try_split): Copy NORETURN, SETJMP, ALWAYS_RETURN
463 and NON_LOCAL_GOTO notes.
464 * recog.c (peephole2_optimize): Likewise. Handle EH_REGION;
465 copy over CALL_INSN_FUNCTION_USAGE.
467 2001-09-18 Catherine Moore <clm@redhat.com>
469 * config/stormy16/stormy16.h (DEFAULT_PCC_STRUCT_RETURN):
472 2001-09-18 Ulrich Weigand <uweigand@de.ibm.com>:
474 * config.gcc (s390-*-linux-*, s390x-*-linux*): Switch to
475 new-style tm_file specification. Specify correct tm_p_file,
476 md_file, and out_file for s390x.
478 * config/s390/linux.h, linux64.h: Don't include other target
479 macro header files. Now handled via tm_file.
481 * config/s390/linux.h, s390.h: (IEEE_FLOAT, TARGET_IEEE_FLOAT,
482 TARGET_IBM_FLOAT): Move from linux.h to s390.h to ensure they
483 are defined before use.
485 Tue Sep 18 09:51:11 2001 Eric Christopher <ecechristo@redhat.com>
487 * config/mips/mips.c (mips_asm_file_start): Conditionalize Elf
488 code generation only for Gnu assembler.
490 2001-09-18 Catherine Moore <clm@redhat.com>
492 * config/stormy16 (LIB_SPEC): Remove -lnosys.
494 2001-09-18 Richard Sandiford <rsandifo@redhat.com>
496 * config/mips/mips.c (mips_frame_set): New.
497 (mips_emit_frame_related_store): When storing two 32-bit FPRs, use
498 a parallel frame-related expression with a set for each register.
500 2001-09-18 Philip Blundell <philb@gnu.org>
502 * config/arm/lib1funcs.asm (L_dvmd_lnx): Don't rely on kernel
505 2001-09-17 Dale Johannesen <dalej@apple.com>
507 * config/rs6000/rs6000.h (FIXED_REGISTERS): Use FIXED_R2.
508 * config/rs6000/aix.h (FIXED_R2): Define.
509 * config/rs6000/darwin.h (FIXED_R2): Define.
510 * config/rs6000/sysv4.h (FIXED_R2): Define.
512 2001-09-17 Jeff Sturm <jsturm@one-point.com>
514 * except.c (dw2_build_landing_pads): New local
515 clobbers_hard_regs. Emit an ASM_INPUT as a scheduling
516 barrier after clobbers. Fixes c++/4012.
518 2001-09-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
520 * gcc.c (find_file): Use ACONCAT in lieu of alloca/strcpy/strcat.
522 2001-09-17 Joseph S. Myers <jsm28@cam.ac.uk>
524 * dostage2, dostage3, listing, make-l2.com, makefile.vms,
525 patch-apollo-includes, vmsconfig.com: Remove obsolete files.
527 2001-09-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
529 * c-aux-info.c (affix_data_type): Use ASTRDUP in lieu of
532 2001-09-17 Neil Booth <neil@daikokuya.demon.co.uk>
534 * cpphash.h (_cpp_lex_direct): New.
535 * cpplex.c (_cpp_lex_token): Update.
536 (lex_token): Rename _cpp_lex_direct; lex into pfile->cur_token,
537 and increment that pointer.
538 * cppmacro.c (alloc_expansion_token): New.
539 (lex_expansion_token): Lex macro expansion directly into
542 2001-09-16 Brad Lucier <lucier@math.purdue.edu>
544 * Makefile.in: Make rtl-error.o depend on $(CONFIG_H).
546 Sun Sep 16 21:59:46 CEST 2001 Jan hubicka <jh@suse.cz>
548 * basic-block.h (free_bb_for_insn): Declare.
549 * bb-reorder.c (label_for_bb): Use block_label.
550 (emit_jump_to_block_after): Remove.
551 (insert_intra_1): Do not update block_for_insn.
552 (insert_inter_bb_scope_notes): Likewise; update bb->end
553 * cfg.c (free_bb_for_insn): New.
554 (try_rediret_by_replacing_jump): Avoid set_block_for_new_insns call.
555 (force_nonfallthru_and_redirect): Likewise; do not update BB boundaries.
556 (commit_one_edge_insertion): Likewise.
557 (commit_one_edge_insertion): Do not update BB boundary.
558 (commit_edge_insertions): Do not call compute_bb_for_insn.
559 * cfgbuild.c (find_basic_blocks): Do not free basic_block_for_insn.
560 * cfgcleanup.c (merge_blocks_move_predecessor): Use reorder_insns_nobb.
561 (merge_blocks_move_successor_nojumps): Likewise.
562 (try_crossjump_to_edge): Do not update block_for_insn.
563 * combine.c (combine_instructions): Remove compute_bb_for_insn call.
564 * df.c (df_pattern_emit_later): Do not update BB boundary.
565 (df_jump_pattern_emit_after): Likewise.
566 (df_insn_move_before): Use emit_insn_before.
567 * emit-rtl.c (try_split): Emit after trial to get bb boundary updated
569 (add_insn_after, add_insn_before, emit_insns_after): Update BB
570 boundaries and basic_block_for_insn.
571 (reorder_insns_nobb): Rename from reorder_insns.
572 (reorder_insns): New.
573 (emit_block_insn_before, emit_block_insn_after): Kill.
574 * flow.c (check_function_return_warnings): Do not call
575 compute_bb_for_insn; Do not free basic_block_for_insn.
576 (attempt_auto_inc): Do not update basic_block_for_insn.
577 * function.c (emit_return_into_block): Likewise;
578 do not update BB boundaries.
579 * gcse.c (handle_avail_expr): Do not update basic_block_for_insn.
580 (insert_insn_end_bb): Use emit_insn_before; Likewise.
581 (pre_insert_copy_insn): Likewise.
582 (update_ld_motion_notes): Likewise.
583 (insert_insn_start_bb): Likewise.
584 (replace_store_insn): Likewise.
585 * ifcvt.c (noce_process_if_block): Likewise.
586 (if_convert): Do not call compute_bb_for_insn.
587 * lcm.c (optimize_mode_switching): Do not update BB boundaries.
588 Use emit_insn_before and emit_insn_after.
589 * recog.c (split_all_insns): Do not update BB boundaries;
590 Do not call compute_bb_for_insn.
591 (peephole2_optimize): Do not update BB boundaries.
592 * reg-stack.c (emit_pop_insn): Use emit_insn_after and
594 (emit_swap_insn): Likewise.
595 (convert_regs_1): Likewise.
596 * reload1.c (reload): Call compute_bb_for_insn.
597 * rtl.h (reorder_insns_nobb): Declare.
598 * ssa.c (rename_equivalent_regs): Use emit_insn_before.
599 * toplev.c (rest_of_compilation): Call free_bb_for_insn
600 at places CFG is invalidated; do not call compute_bb_for_insn.
602 * cfg.c (expunge_block): Invalidate BB structure.
604 * (merge_blocks_nomove): Update properly BLOCK_FOR_INSN
607 * cfg.c (verify_flow_info): Verify the basic_block_for_insn array.
609 2001-09-16 Neil Booth <neil@daikokuya.demon.co.uk>
611 * cpphash.h (_cpp_lex_token): Update prototype.
612 * cpplex.c (_cpp_lex_token): New prototype.
613 * cpplib.c (skip_rest_of_line, check_eol, _cpp_handle_directive,
614 lex_macro_node, read_flag, do_pragma_poison): Update.
615 * cppmacro.c (cpp_get_token, parse_params,
616 lex_expansion_token): Update.
618 2001-09-16 Neil Booth <neil@daikokuya.demon.co.uk>
620 * cppmain.c (scan_translation_unit): Don't worry about
621 putting a space after hashes.
622 * cpplib.c (directive_diagnostics): New.
623 (_cpp_handle_directive): Update to use directive_diagnostics.
624 (run_directive): Don't toggle prevent_expansion.
625 (do_line): Backup in case of the line extension.
626 * cpplib.h (cpp_lexer_pos): Remove.
627 * cppmacro.c (_cpp_create_definition): Precede a leading #
630 2001-09-15 Richard Henderson <rth@redhat.com>
632 * c-typeck.c (comptypes): Handle zero-length arrays properly.
634 2001-09-15 Roman Lechtchinsky <rl@cs.tu-berlin.de>
636 * c-common.c (c_promoting_integer_type_p): Handle ?Imode types.
638 2001-09-15 Neil Booth <neil@daikokuya.demon.co.uk>
641 * tradcpp.c (handle_directive): Skip non-vertical space.
643 2001-09-15 Neil Booth <neil@daikokuya.demon.co.uk>
645 * cppmain.c (setup_callbacks): Set line callback only
646 if outputting preprocessed source.
648 2001-09-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
650 * collect2.c (main): Const-ification.
651 * gcc.c (translate_options, process_command): Use xstrdup in
652 lieu of xmalloc/strcpy.
653 (main): Use concat in lieu of xmalloc/strcpy/strcat.
655 2001-09-14 Roman Lechtchinsky <rl@cs.tu-berlin.de>
657 * doc/install.texi (Specific, alphaev5-cray-unicosmk*): Fix
660 2001-09-15 Neil Booth <neil@daikokuya.demon.co.uk>
662 * scan-decls.c (scan_decls): Fix typo.
664 2001-09-15 Neil Booth <neil@daikokuya.demon.co.uk>
666 * cpphash.h (struct cpp_reader): Remove lexer_pos, directive_pos.
667 Split mlstring_pos into mls_line and mls_col.
668 * cppinit.c (cpp_create_reader): Initialize line to 1.
669 (cpp_destroy): Free tokenruns.
670 (push_include): Don't update lexer_pos.
671 * cpplex.c (unterminated, parse_string): Update.
672 (lex_token): Don't update lexer_pos, update.
673 * cpplib.c (if_stack): Save line instead of line + col.
674 (start_directive, _cpp_do__Pragma, do_else, do_elif,
675 push_conditional, _cpp_pop_buffer): Update.
676 * cppmacro.c (funlike_invocation_p): Don't save lexer_pos.
677 (_cpp_create_definition): Update.
679 2001-09-15 Eric Christopher <echristo@redhat.com>
681 * config/mips/abi64.h: Add support for MEABI.
683 2001-09-15 Eric Christopher <echristo@redhat.com>
685 * config/mips/mips.md: Add unspec #2.
687 (reload_outdi): Ditto.
688 (reload_outsi): Ditto.
691 2001-09-15 Eric Christopher <echristo@redhat.com>
692 Jason Eckhardt <jle@redhat.com>
694 * config.gcc: Add mipsisa32 target and mipsisa32-linux target.
695 * config/mips/isa32-linux.h: New file.
696 * config/mips/isa3264.h: Ditto.
697 * config/mips/mips-protos.h: Add mips_hard_regno_nregs.
698 * config/mips/mips.c (mips_hard_regno_nregs): Move here from mips.h.
699 (output_block_mode): Support MEABI.
700 (function_arg): Ditto. Fix floating point arg passing.
701 (mips_va_start): Ditto.
702 (override_options): Add isas 32 and 64, meabi, mips32 and mips64
704 (mips_asm_file_start): Add new section to pass abi to gdb.
705 (function_arg_pass_by_reference): Support MEABI.
706 (mips_parse_cpu): Support mips32 and mips64 processors.
707 * config/mips/mips.h: Support ABI_MEABI, TARGET_MIPS4KC,
708 TARGET_MIPS5KC. Support isa32 and isa64.
709 (processor_type): Add r4kc, r5kc, r20kc.
710 (GENERATE_MULT3_SI): New.
711 (GENERATE_MULT3_DI): Ditto.
712 (GENERATE_MULT3): Remove.
713 (ISA_HAS_64BIT_REGS): Add isa == 64.
714 (ISA_HAS_8CC): Add mips_isa = 32 and 64.
715 (ISA_HAS_MADD_MSUB): New.
716 (ISA_HAS_CLZ_CLO): Ditto.
717 (ISA_HAS_DCLZ_DCLO): Ditto.
718 (ABI_GAS_ASM_SPEC): New.
719 (GAS_ASM_SPEC): Use. Add support for mips32, mips64.
722 (SUBTARGET_CC1_SPEC): Ditto.
723 (SUBTARGET_CPP_SIZE_SPEC): Ditto.
724 (PAD_VARARGS_DOWN): Support MEABI.
725 (HARD_REGNO_NREGS): Move to mips.c.
726 (ASM_OUTPUT_IDENT): Add #undef.
727 * config/mips/mips.md: Add r4kc, r5kc, r20kc.
728 (mulsi3): Use GENERATE_MULT3_SI.
729 (mulsi3_mult3): Ditto. Support mips32, mips64.
730 (mul_acc_si): Use ISA_HAS_MADD_MSUB.
731 (mul_sub_si): New pattern.
732 (unnamed splitters): New.
733 (muldi3): Use GENERATE_MULT3_DI.
734 (muldi3_internal2): Ditto.
735 (movdicc): Support mips32.
736 * config/mips/t-isa3264: New file.
738 2001-09-15 Hans-Peter Nilsson <hp@axis.com>
740 * rtl.h (FIND_REG_INC_NOTE) [HAVE_PRE_INCREMENT
741 || HAVE_PRE_DECREMENT || HAVE_POST_INCREMENT
742 || HAVE_POST_DECREMENT]: Call find_regno_note for REGs.
744 * reorg.c (fill_slots_from_thread): After call to
745 steal_delay_list_from_target, update own_thread as new_thread may
748 2001-09-14 Neil Booth <neil@daikokuya.demon.co.uk>
750 * cpperror.c (print_location): Take line and column, for
751 default positioning use the previously lexed token.
752 (_cpp_begin_message): Take line and column.
753 (cpp_ice, cpp_fatal, cpp_error, cpp_error_with_line, cpp_warning,
754 cpp_warning_with_line, cpp_pedwarn, cpp_pedwarn_with_line): Update.
755 * cpphash.h (_cpp_begin_message): Update prototype.
756 * cppinit.c (push_include): Don't set output line.
757 * cpplex.c (_cpp_lex_token): Callback for start of new output lines.
758 * cpplib.c (do_diagnostic, _cpp_pop_buffer): Update.
759 (do_pragma): Kludge for front ends. Don't expand macros at all.
760 * cpplib.h (cpp_lookahead, cpp_token_with_pos, cpp_get_line): Remove.
761 (struct cpp_token): Remove output_line.
762 (struct cpp_callbacks): New member line_change.
763 * cppmacro.c (builtin_macro, paste_all_tokens, replace_args,
764 cpp_get_token): Preserve BOL flag.
765 (cpp_get_line): Remove.
766 (_cpp_backup_tokens): Remove useless abort().
767 * cppmain.c (cb_line_change): New.
768 (scan_translation_unit): Don't worry about starting new lines here.
769 * scan-decls.c (scan_decls): Update.
770 * c-lex.c (c_lex, init_c_lex): Update.
771 (cb_line_change, src_lineno): New.
773 Fri Sep 14 13:54:50 EDT 2001 John Wehle (john@feith.com)
775 * tree.c (append_random_chars): Generate the random
776 characters in a reproducable fashion.
778 2001-09-14 Richard Henderson <rth@redhat.com>
780 * config/i386/i386.c (internal_label_prefix): New.
781 (internal_label_prefix_len): New.
782 (override_options): Set them.
783 (local_symbolic_operand): New.
784 (legitimate_pic_address_disp_p): Use it.
785 (legitimize_pic_address): Likewise.
787 2001-09-14 Marc Espie <espie@openbsd.org>
789 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Generate reference to GOT
792 2001-09-14 Roman Lechtchinsky <rl@cs.tu-berlin.de>
794 * config/alpha/alpha.md (unaligned_extendhidi_be): Fix.
795 * config/alpha/unicosmk.h (INIT_TARGET_OPTABS): New.
797 2001-09-14 Nick Clifton <nickc@cambridge.redhat.com>
799 * rtlanal.c (subreg_regno_offset): Add semicolon to end of
800 invocation of SUBREG_REGNO_OFFSET.
802 * haifa-sched.c: Fix typo in FSF copyright statement.
803 * sched-deps.c: Fix typo in FSF copyright statement.
804 * sched-ebb.c: Fix typo in FSF copyright statement.
805 * sched-rgn.c: Fix typo in FSF copyright statement.
806 * sched-vis.c: Fix typo in FSF copyright statement.
808 * config.gcc: Move inclusion of arm elf specific header files
809 from the files themselves into the tm_file variable. Make
810 sure that elfos.h is included before target specific elf
812 * config/arm/aout.h (NO_DOLLAR_IN_LABEL): Only define if not
814 (ASM_OUTPUT_ASCII, ASM_OUTPUT_SKIP): Protect definition.
815 * config/arm.arm.h (TARGET_MEM_FUNCTIONS,
816 ASM_OUTPUT_CASE_LABEL): Protect definition.
817 (CC1_SPEC, FP_DEFAULT, ARM_FUNCTION_PROFILE): Only define if
819 * config/arm/conix-elf.h: (USER_LABEL_PREFIX,
820 LOCAL_LABEL_PREFIX, MAKE_DECL_ONE_ONLY, UNIQUE_SECTION):
821 Remove duplicate definition.
822 (READONLY_DATA_SECTION, SUBTARGET_EXTRA_SECTION,
823 (SUBTARGET_EXTRA_SECTION_FUNCTION, RDATA_SECTION_ASM_OP,
824 (RDATA_SECTION_FUNCTION): Remove redundant definition.
825 (STARTFILE_SPEC, ENDFILE_SPEC): Protect definition.
826 Remove inclusion of arm/elf.h.
827 * config/arm/unknown-elf.h: as for conix-elf.h.
828 (STARTFILE_SPEC): Include crti.o and crtn.o.
829 * config/arm/linux-elf.h: as for conix-elf.h.
830 * config/arm/ecos-elf.h: Remove inclusion of unknown-elf.h.
831 * config/arm/strongarm-elf.h: Remove inclusion of
833 * config/arm/xscale-elf.h: Remove inclusion of unknown-elf.h.
834 * config/arm/unknown-elf-oabi.h: Remove inclusion of
835 unknown-elf.h and elf.h.
836 * config/arm/uclinux-elf.h: Remove inclusion of linux-elf.h.
837 * config/arm/linux-gas.h (DBX_DEBUGGING_INFO,
838 ASM_WEAKEN_LABEL): Remove redundant definition.
839 * config/arm/elf.h: Test for inclusion of elfos.h
840 (USER_LABEL_PREFIX, ASM_DECLARE_RESULT, ASM_DECLARE_RESULT,
841 ASM_DECLARE_OBJECT_NAME, ASM_FINISH_DECLARE_OBJECT_NAME,
842 SUBTARGET_EXTRA_SECTION, SUBTARGET_EXTRA_SECTION_FUNCTION,
843 EXTRA_SECTIONS, INT_ASM_OP, ASM_WEAKEN_LABEL): Remove
844 redundant definition.
845 (TYPE_OPERAND_FMT, ASM_DECLARE_FUNCTION_NAME,
846 ASM_DECLARE_FUNCTION_SIZE, ASM_OUTPUT_INTERNAL_LABEL,
847 ASM_OUTPUT_ALIGNED_COMMON): Protect definition.
848 * t-arm-elf (EXTRA_MULTILIB_PARTS): Add crti.o and crtn.o.
849 Add rules to build crti.o and crtn.o
850 * crti.asm: New file.
851 * crtn.asm: New file.
853 2001-09-13 Neil Booth <neil@daikokuya.demon.co.uk>
855 * c-parse.in (_yylex): Use _cpp_backup_tokens.
856 * cpphash.h (struct tokenrun): Add prev.
857 (struct lexer_state): Remove bol.
858 (struct cpp_reader): Remove old lookahead stuff, add lookaheads.
859 (_cpp_free_lookaheads, _cpp_release_lookahead, _cpp_push_token)
861 * cppinit.c (cpp_create_reader): Don't set bol.
862 (cpp_destroy): Don't free lookaheads.
863 * cpplex.c (lex_directive): Remove.
864 (next_tokenrun): Update.
865 (_cpp_lex_token): Clean up logic.
866 (lex_token): Update to return a pointer to lexed token, since it
867 can move to the start of the buffer. Simpify newline handling.
868 * cpplib.c (SEEN_EOL): Update.
869 (skip_rest_of_line): Remove lookahead stuff.
870 (end_directive): Line numbers are already incremented. Revert
871 to start of lexed token buffer if we can.
872 (_cpp_handle_directive, do_pragma, do_pragma_dependency,
873 parse_answer): Use _cpp_backup_tokens.
874 (run_directive, cpp_pop_buffer): Don't set bol, set saved_flags
875 instead. Don't check for EOL.
876 (do_include_common, do_line, do_pragma_system_header): Use
878 * cpplib.h (BOL, _cpp_backup_tokens): New.
879 * cppmacro.c (save_lookahead_token, take_lookahead_token,
880 alloc_lookahead, free_lookahead, _cpp_free_lookaheads,
881 cpp_start_lookahead, cpp_stop_lookahead, _cpp_push_token): Remove.
882 (builtin_macro): Don't use cpp_get_line.
883 (cpp_get_line): Short term kludge.
884 (parse_arg): Handle directives in arguments here. Back up when
885 appropriate. Store EOF at end of argument list.
886 (funlike_invocation_p): Use _cpp_backup_tokens.
887 (push_arg_context): Account for EOF at end of list.
888 (cpp_get_token): Remove lookahead stuff. Update.
890 2001-09-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
892 * c-parse.in (yyerror): Const-ification and/or static-ization.
893 * c-typeck.c (push_member_name): Likewise.
894 * collect2.c (main): Likewise.
895 * dbxout.c (dbxout_parms): Likewise.
896 * diagnostic.c (format_with_decl): Likewise.
897 * dwarf2out.c (output_ranges): Likewise.
898 * dwarfout.c (fundamental_type_code): Likewise.
899 * except.c (dw2_output_call_site_table): Likewise.
900 * gcc.c (do_spec_1): Likewise.
901 * genopinit.c (optabs): Likewise.
902 * objc/objc-act.c (synth_id_with_class_suffix, start_class,
903 gen_declaration_1, handle_impent): Likewise.
904 * protoize.c (default_include, in_system_include_dir, abspath):
906 * sched-vis.c (visualize_stall_cycles): Likewise.
907 * sdbout.c (plain_type_1, sdbout_end_function,
908 sdbout_end_epilogue): Likewise.
909 * varasm.c (decode_reg_name): Likewise.
911 * 1750a.c (mod_regno_adjust): Likewise.
912 * alpha.c (alpha_write_one_linkage,
913 unicosmk_output_default_externs): Likewise.
914 * arm.c (arm_condition_codes): Likewise.
915 * arm.h (arm_condition_codes): Likewise.
916 * avr.c (output_movsisf, encode_section_info): Likewise.
917 * darwin.h (GEN_BINDER_NAME_FOR_STUB, GEN_SYMBOL_NAME_FOR_SYMBOL):
919 * i386.c (hi_reg_name, qi_reg_name, qi_high_reg_name): Likewise.
920 * i386.h (hi_reg_name, qi_reg_name, qi_high_reg_name): Likewise.
921 * m88k.c (output_function_profiler): Likewise.
922 * mips.c (mips_output_conditional_branch): Likewise.
923 * ns32k.c (ns32k_out_reg_names): Likewise.
924 * ns32k.h (ns32k_out_reg_names): Likewise.
925 * pj.c (pj_output_rval): Likewise.
926 * rs6000.c (GEN_LOCAL_LABEL_FOR_SYMBOL): Likewise.
927 * sparc.c (sparc_flat_function_prologue,
928 sparc_flat_function_epilogue): Likewise.
930 2001-09-13 Markus Werle <numerical.simulation@web.de>
931 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
933 * doc/install.texi (Binaries): Add "Binaries for HP-UX 11.00 at
934 Aachen University of Technology".
936 2001-09-13 Andreas Schwab <schwab@suse.de>
938 * config/float-m68k.h: Define DECIMAL_DIG and FLT_EVAL_METHOD for
941 2001-09-13 Richard Henderson <rth@redhat.com>
943 * config/alpha/alpha.c (small_symbolic_operand): New.
944 (override_options): Set MASK_SMALL_DATA based on pic/PIC.
945 (some_operand, input_operand): Don't handle HIGH.
946 (alpha_legitimize_address): Use it. Emit HIGH with PLUS gp.
947 (alpha_expand_mov): Likewise.
948 (print_operand) [H]: Just print HIGH symbol.
949 (print_operand_address): Handle small data.
950 * config/alpha/alpha.h (MASK_SMALL_DATA, TARGET_SMALL_DATA): New.
951 (TARGET_SWITCHES): Add -msmall-data/large-data.
952 (PIC_OFFSET_TABLE_REGNUM): New.
953 (PREFERRED_RELOAD_CLASS): Don't handle HIGH.
954 (PREDICATE_COES): Update.
955 * config/alpha/alpha.md (adddi_er_high): New.
956 (adddi_er_low): Handle small data.
957 * config/alpha/elf.h (DO_SELECT_SECTION): If SMALL_DATA,
958 prefer .sdata to .rodata.
959 (SELECT_RTX_SECTION): Likewise.
961 2001-09-12 Josh Martin <josh.martin@abq.sc.philips.com>
963 * fixinc/inclhack.def(hpux11_size_t): Keep HP-UX headers from
964 defining __size_t and leaving size_t undefined.
966 2001-09-12 Diego Novillo <dnovillo@redhat.com>
968 * basic-block.h (expunge_block): Declare.
969 * cfg.c (expunge_block): Remove static declaration.
971 2001-09-12 Richard Henderson <rth@redhat.com>
973 * integrate.c (copy_insn_list): Copy label name from
974 NOTE_INSN_DELETED_LABEL.
976 2001-09-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
978 * c-common.c (c_tree_code_name): Const-ification.
979 * c-decl.c (c_decode_option): Likewise.
980 * c-typeck.c (warn_for_assignment): Likewise.
981 * collect2.c (libexts, is_ctor_dtor, main, ignore_library):
983 * cppinit.c (output_deps): Likewise.
984 * dependence.c (dependence_string, direction_string): Likewise.
985 * dwarf2out.c (output_ranges): Likewise.
986 * fixinc/fixfixes.c (emit_gnu_type): Likewise.
987 * fixinc/gnu-regex.c (re_error_msgid): Likewise.
988 * gcc.c (standard_exec_prefix, standard_exec_prefix_1,
989 standard_startfile_prefix, standard_startfile_prefix_1,
990 standard_startfile_prefix_2, tooldir_base_prefix,
991 standard_bindir_prefix, find_a_file): Likewise.
992 * genattrtab.c (make_length_attrs): Likewise.
993 * gencheck.c (tree_codes): Likewise.
994 * genemit.c (gen_split): Likewise.
995 * genrecog.c (special_mode_pred_table): Likewise.
996 * graph.c (graph_ext): Likewise.
997 * protoize (default_include): Likewise.
998 * reload.c (reload_when_needed_name): Likewise.
999 * sched-vis.c (visualize_stall_cycles): Likewise.
1000 * tlink.c (recompile_files): Likewise.
1001 * toplev.c (decode_g_option): Likewise.
1002 * tradcpp.c (output_deps): Likewise.
1003 * varasm.c (decode_reg_name): Likewise.
1005 * arm.c (arm_condition_codes, strings_fpa, thumb_condition_code):
1008 * avr.c (avr_regnames, encode_section_info): Likewise.
1009 * c4x.c (float_reg_names): Likewise.
1010 * darwin.h (ASM_GLOBALIZE_LABEL): Likewise.
1011 * elfos.h (const_section): Likewise.
1012 * i386.c (ix86_comp_type_attributes): Likewise.
1013 * i386/win32.h (STRIP_NAME_ENCODING): Likewise.
1014 * ia64/aix.h (UNIQUE_SECTION): Likewise.
1015 * ia64.c (type_names): Likewise.
1016 * m68hc11.c (reg_class_names): Likewise.
1017 * m88k.c (m_options): Likewise.
1018 * mips.c (mips_output_conditional_branch, mips_unique_section):
1020 * rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
1021 * sparc.c (sparc_flat_function_prologue, sparc_flat_function_epilogue,
1022 ultra_code_names): Likewise.
1023 * sparc.h (OVERRIDE_OPTIONS): Likewise.
1025 2001-09-12 Jakub Jelinek <jakub@redhat.com>
1027 * configure.in (gcc_cv_as_shf_merge): Fix a typo.
1028 Use --fatal-warnings option for gas.
1029 * configure: Rebuilt.
1031 2001-09-12 Roman Lechtchinsky <rl@cs.tu-berlin.de>
1033 * doc/install.texi (Specific, alphaev5-cray-unicosmk*): Document.
1035 2001-09-11 Jim Wilson <wilson@redhat.com>
1037 * alias.c (clear_reg_alias_info): Only handle pseudo registers.
1039 2001-10-11 Matt Kraai <kraai@alumni.carnegiemellon.edu>
1041 * builtins.c (c_strlen): Treat an offset too large for a
1042 HOST_WIDE_INT as out of range.
1044 Tue Sep 11 18:57:47 CEST 2001 Jan Hubicka <jh@suse.cz>
1046 * basic-block.h (EDGE_CRITICAL): Remove; renumber other flags.
1047 (EDGE_CRITICAL_P): New predicate.
1048 * cfg.c (force_nonfallthru_and_redirect, split_edge): Kill EDGE_CRITICAL
1050 (insert_insn_on_edge): Use EDGE_CRITICAL_P.
1051 (dump_edge_info): Remove "crit".
1052 * cfganal.c (mark_critical_edges): Kill.
1053 * cfgbuild.c (find_basic_blocks): Remove mark_critical_edges call.
1054 * cfgcleanup.c (cleanup_cfg): Likewise.
1055 * profile.c (instrument_edges): Use EDGE_CRITICAL_P.
1056 (find_spanning_tree): Likewise.
1057 * reg-stack.c (convert_regs_1): Likewise.
1058 * ssa.c (mark_regs_equivalent_over_bad_edges): Likewise.
1060 * basic-block.h (create_basic_block_structure): New.
1061 (create_basic_block): Update prototype.
1062 (force_nonfallthru): New.
1063 * bb-reorder.c (fixup_reorder_chain): Fixup use force_nonfallthru.
1064 * cfg.c (create_basic_block_structure): Rename from create_basic_block;
1065 handle updating of block_for_insn, creating of empty BBs and BBs at
1066 the end of INSN chain.
1067 (create_basic_block): New function.
1068 (split_block): Use create_basic_block.
1069 (force_nonfallthru_and_redirect): Break out from ...; cleanup
1070 (redirect_edge_and_branch_force): ... here.
1071 (force_nonfallthru): New.
1072 (split_edge): Rewrite to use force_nonfallthru and create_block.
1073 * cfgbuild.c (find_basic_blocks_1): Use create_basic_block_structure.
1074 (find_basic_blocks): Free basic_block_for_insn.
1075 * cfgcleanup.c (merge_blocks): Use force_nonfallthru.
1077 * cfg.c: Fix formating.
1078 * cfgcleanup.c: Fix formating.
1079 (merge_blocks, tail_recursion_label_p): Return bool.
1080 (merge_blocks_move_predecessor_nojumps,
1081 merge_blocks_move_successor_nojumps): Return void.
1083 2001-09-11 Jakub Jelinek <jakub@redhat.com>
1085 * configure.in: Check whether assembler supports section merging.
1086 * config.in: Rebuilt.
1087 * configure: Rebuilt.
1088 * varasm.c (variable_section, output_constant_pool): Pass alignment
1089 to SELECT_SECTION and SELECT_RTX_SECTION.
1090 (mergeable_string_section): New.
1091 (mergeable_constant_section): New.
1092 (default_elf_asm_named_section): Output SECTION_MERGE and
1093 SECTION_STRINGS flags plus SECTION_ENTSIZE entity size.
1094 * output.h (mergeable_string_section): New.
1095 (mergeable_constant_section): New.
1096 (SECTION_MERGE, SECTION_STRINGS, SECTION_ENTSIZE): Define.
1097 * toplev.c (flag_merge_constants): New.
1098 (f_options): Add -fmerge-constants and -fmerge-all-constants
1100 (toplev_main): Default to -fno-merge-constants if not optimizing.
1101 * flags.h (flag_merge_constants): Add extern.
1102 * invoke.texi (-fmerge-constants, -fmerge-all-constants): Document.
1103 * tm.texi (SELECT_SECTION, SELECT_RTX_SECTION): Document added third
1105 * config/elfos.h (ASM_SECTION_START_OP, ASM_OUTPUT_SECTION_START):
1106 Define if assembler has working .subsection -1 support.
1107 (SELECT_RTX_SECTION, SELECT_SECTION): Add third macro argument.
1108 Put constant into special SHF_MERGE sections if the linker should
1109 attempt to merge duplicates.
1110 * config/ia64/sysv4.h (SELECT_RTX_SECTION, SELECT_SECTION): Add third
1112 Put constant into special SHF_MERGE sections if the linker should
1113 attempt to merge duplicates.
1114 * config/alpha/elf.h: Likewise.
1115 (ASM_SECTION_START_OP, ASM_OUTPUT_SECTION_START): Define if assembler
1116 has working .subsection -1 support.
1117 * config/nextstep.h: Add third argument to SELECT_RTX_SECTION and
1119 * config/svr3.h: Likewise.
1120 * config/darwin.h: Likewise.
1121 * config/arm/aof.h: Likewise.
1122 * config/arm/linux-elf.h: Likewise.
1123 * config/avr/avr.h: Likewise.
1124 * config/c4x/c4x.h: Likewise.
1125 * config/d30v/d30v.h: Likewise.
1126 * config/i386/dgux.h: Likewise.
1127 * config/i386/osfrose.h: Likewise.
1128 * config/i386/sco5.h: Likewise.
1129 * config/i386/svr3gas.h: Likewise.
1130 * config/ia64/aix.h: Likewise.
1131 * config/m32r/m32r.h: Likewise.
1132 * config/m68k/m68k.h: Likewise.
1133 * config/m88k/dgux.h: Likewise.
1134 * config/m88k/m88k.h: Likewise.
1135 * config/mcore/mcore-pe.h: Likewise.
1136 * config/mips/mips.h: Likewise.
1137 * config/pa/pa.h: Likewise.
1138 * config/pa/pa-linux.h: Likewise.
1139 * config/romp/romp.h: Likewise.
1140 * config/rs6000/sysv4.h: Likewise.
1141 * config/rs6000/xcoff.h: Likewise.
1142 * config/s390/linux.h: Likewise.
1143 * config/sparc/sparc.h: Likewise.
1144 * config/sparc/sysv4.h: Likewise.
1145 * config/stormy16/stormy16.h: Likewise.
1146 * config/v850/v850.h: Likewise.
1147 * config/vax/vms.h: Likewise.
1148 * config/arm/arm.c (arm_elf_asm_named_section): Output SECTION_MERGE
1149 and SECTION_STRINGS flags plus SECTION_ENTSIZE entity size.
1150 * config/sparc/sparc.c (sparc_elf_asm_named_section): Use
1151 default_elf_asm_named_section for SHF_MERGE sections.
1153 Tue Sep 11 17:55:54 CEST 2001 Jan Hubicka <jh@suse.cz>
1155 * bb-reorder.c (fixup_reorder_chain): Fallthru edge to exit block
1158 2001-09-11 Joseph S. Myers <jsm28@cam.ac.uk>
1160 * c-common.c (split_specs_attrs): Allow for empty attributes with
1161 empty TREE_PURPOSE. Fixes PR c/4294.
1163 Tue Sep 11 11:37:52 CEST 2001 Jan Hubicka <jh@suse.cz>
1165 * basic-block.h (cached_make_edge, make_single_succ): New.
1166 (make_edge): Remove first parameter.
1167 * bb-reroder.c (fixup_reorder_chain): Use make_single_succ_edge.
1168 * cfg.c (cached_make_edge): Rename from make_edge; return newly
1169 created edge; use obstack allocation.
1170 (make_edge, make_single_succ_edge): New.
1171 (first_removed_edge): New static variable.
1172 (init_flow): Initialize first_removed_edge and n_edges.
1173 (clear_edges): Use remove_edge.
1174 (flow_delete_block): Likewise.
1175 (remove_edge): Add removed edges to the removed edges list.
1176 (split_block, redirect_edge_and_branch_force, split_edge):
1178 * cfganal.c (flow_call_edges_add): Updaet make_edge call.
1179 (add_noreturn_fake_exit_edges): Likewise.
1180 (connect_infinite_loops_to_exit): Liekwise.
1181 * cfgbuild.c (make_label_edge, make_edges, find_sub_basic_blocks):
1182 Use cached_make_edge.
1183 * cfgcleanup.c (try_crossjump_to_edge): Use make_single_succ_edge.
1184 * profile.c (branch_prob): Update make_edge call.
1185 * ssa-dce.c (ssa_eliminate_dead_code): Likewise.
1187 2001-09-11 Richard Henderson <rth@redhat.com>
1189 * config/alpha/alpha.c: Tidy formatting.
1190 (local_symbolic_operand): Verify mode.
1191 (alpha_sa_mask): Ignore unicos for eh_return.
1192 (alpha_expand_epilogue): Handle sp_adj2 zero, not NULL.
1193 * config/alpha/alpha.md (umk divsi patterns): Remove.
1194 (extendsfdf2): Remove unicos check.
1195 (tablejump): Merge vms and unicos code; always use direct set
1198 2001-09-11 Roman Lechtchinsky <rl@cs.tu-berlin.de>
1200 * config.gcc (alpha*-*-unicosmk*): New target.
1202 * config/alpha/alpha-protos.h (symbolic_operand,
1203 unicosmk_add_call_info_word, unicosmk_add_extern,
1204 unicosmk_defer_case_vector, unicosmk_unique_section,
1205 unicosmk_output_align, unicosmk_text_section, unicosmk_data_section,
1206 unicosmk_asm_file_start, unicosmk_asm_file_end,
1207 unicosmk_output_common): Declare.
1209 * config/alpha/alpha.c (NUM_ARGS, override_options, call_operand,
1210 direct_return, function_arg, alpha_va_start, alpha_va_arg,
1211 alpha_does_function_need_gp, alpha_end_function): Support Cray
1213 (alpha_init_machine_status, alpha_mark_machine_status,
1214 alpha_free_machine_status, unicosmk_output_deferred_case_vectors,
1215 unicosmk_gen_dsib, unicosmk_output_ssib, unicosmk_need_dex,
1216 unicosmk_asm_named_section, unicosmk_insert_attributes,
1217 unicosmk_section_type_flags, symbolic_operand,
1218 unicosmk_output_module_name, unicosmk_output_default_externs,
1219 unicosmk_output_dex, unicosmk_output_externs,
1220 unicosmk_output_addr_vec, unicosmk_ssib_name,
1221 unicosmk_initial_elimination_offset, unicosmk_asm_file_start,
1222 unicosmk_asm_file_end, unicosmk_output_common,
1223 unicosmk_section_type_flags, unicosmk_unique_section,
1224 unicosmk_add_call_info_word, unicosmk_text_section,
1225 unicosmk_data_section, unicosmk_extern_list, unicosmk_extern_head,
1226 unicosmk_add_extern, unicosmk_dex, unicosmk_dex_list,
1227 unicosmk_dex_count, unicosmk_special_name): New.
1228 (TARGET_INSERT_ATTRIBUTES, TARGET_SECTION_TYPE_FLAGS): Define for
1229 TARGET_ABI_UNICOSMK.
1230 (get_aligned_mem, alpha_expand_unaligned_load,
1231 alpha_expand_unaligned_store, alpha_expand_unaligned_load_words,
1232 alpha_expand_unaligned_store_words): Support big-endian mode.
1233 (print_operand): Likewise. New format specifier 't'. Use
1234 TARGET_AS_SLASH_BEFORE_SUFFIX.
1235 (alpha_is_stack_procedure): Rename from vms_is_stack_procedure.
1236 (alpha_pv_save_size): Update with above change.
1237 (alpha_sa_mask, alpha_sa_size, alpha_expand_prologue,
1238 alpha_start_function, alpha_expand_epilogue): Likewise. Support Cray
1241 * config/alpha/alpha.h (TARGET_ABI_UNICOSMK): New.
1242 (TARGET_ABI_OSF): Exclude TARGET_ABI_UNICOSMK.
1243 (TARGET_AS_SLASH_BEFORE_SUFFIX): New.
1244 (EXTRA_CONSTRAINT): New constraint 'U'.
1245 (PREDICATE_CODES): Add symbolic_operand.
1247 * config/alpha/alpha.md (UNSPEC_UMK_LAUM, UNSPEC_UMK_LALM,
1248 UNSPEC_UMK_LAL, UNSPEC_UMK_LOAD_CIW): New constants.
1249 (mulsi3, *mulsi_se, mulvsi3): Disable for TARGET_ABI_UNICOSMK.
1250 (integer division and modulus patterns): Split in default and
1252 (*divmodsi_internal, *divmoddi_internal): Disable for
1253 TARGET_ABI_UNICOSMK.
1254 (unaligned_extend?idi, unaligned_load?i, unaligned_store?i): Split in
1255 little-endian and big-endian versions.
1256 (ext, ins, msk): Likewise.
1257 (extv, extzv, insv): Support big-endian mode.
1258 (call, call_value, tablejump): Support TARGET_ABI_UNICOSMK.
1259 (call_umk, call_value_umk, *call_umk, tablejump_umk,
1260 *tablejump_umk_internal, *call_value_umk): New.
1261 (*movdi_nofix): Add pattern for loading an address into a register on
1262 TARGET_ABI_UNICOSMK.
1263 (umk_laum, umk_lal, umk_lalm, *umk_load_ciw): New.
1264 (umk_mismatch_args, arg_home_umk): New.
1265 (various insns): Don't use mov, fmov, nop, fnop and unop.
1266 (realign): Support TARGET_ABI_UNICOSMK.
1268 * config/alpha/unicosmk.h: New file.
1269 * config/alpha/t-unicosmk: New file.
1271 * fixinc/inclhack.def (unicosmk_restrict): New.
1272 * fixinc/fixincl.x: Regenerate.
1274 * ginclude/stddef.h (size_t): Check for and define __SIZE_T__.
1275 (wchar_t): Check for and define __WCHAR_T__.
1277 2001-09-11 Richard Sandiford <rsandifo@redhat.com>
1279 * combine.c (simplify_shift_const): Treat shifts by the mode
1282 2001-09-11 Neil Booth <neil@daikokuya.demon.co.uk>
1284 * cpphash.h (struct tokenrun): New.
1285 (struct cpp_context): New member bol.
1286 (struct cpp_reader): New members.
1287 (_cpp_init_tokenrun): New.
1288 * cppinit.c (cpp_create_reader): Set up the token runs.
1289 * cpplex.c (lex_directive, lex_token, next_tokenrun): New.
1290 (lex_token): New internalised version of _cpp_lex_token. Don't
1291 handle directives or the multiple include opimisation here any
1292 more. Simply lex a token.
1293 * cpplib.c (run_directive): Clear bol.
1294 (_cpp_pop_buffer): Set bol.
1295 * cppmacro.c (funlike_invocation_p): Keep tokens whilst parsing
1298 2001-09-11 Michael Meissner <meissner@redhat.com>
1300 * config/mips/mips.h (CC1_SPEC): If -mgp32 default to -mfp32, and
1301 give an error if the user uses -mfp32.
1302 (CPP_FPR_SPEC): Define __mips_fpr to be 32 or 64 depending on the
1304 (CPP_SPEC): Define __mips_fpr to be 32 or 64, depending on the
1305 floating point register size.
1306 (EXTRA_SPECS): Add CPP_FPR_SPEC.
1308 * config/mips/netbsd.h (ASM_FINISH_DECLARE_OBJECT): Use
1309 HOST_WIDE_INT_PRINT_DEC to properly print the result of
1311 * config/mips/elf.h (ASM_FINISH_DECLARE_OBJECT): Ditto.
1312 * config/mips/elf64.h (ASM_FINISH_DECLARE_OBJECT): Ditto.
1314 2001-09-11 Hans-Peter Nilsson <hp@axis.com>
1316 * dbxout.c (dbxout_parms): Fix typo in comment.
1317 * unroll.c (loop_find_equiv_value): Ditto.
1318 * toplev.c (rest_of_compilation): Ditto.
1319 * loop.c (scan_loop): Ditto.
1320 * dwarf2out.c (struct dw_fde_struct): Ditto.
1322 2001-09-10 Zack Weinberg <zackw@panix.com>
1324 * cpplex.c (parse_identifier): Fast-path optimize. Avoid
1325 copying identifier when we're just going to throw it away.
1326 (parse_identifier_slow): New routine to handle abnormal cases.
1327 (_cpp_lex_token): Update call site.
1329 * hashtable.c (ht_lookup): Don't assume that the string we've
1330 been given is NUL-terminated.
1331 * system.h: #define __builtin_expect(a, b) to (a) if not
1334 2001-09-10 Michael Meissner <meissner@redhat.com>
1336 * config.gcc (sparc64-*-solaris2): Add alias to be compatible with
1339 2001-09-10 David Edelsohn <edelsohn@gnu.org>
1341 * config/rs6000/t-aix43 (SHLIB_INSTALL): Use mode 751 (a+x,r-o).
1343 Mon Sep 10 16:26:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1345 * builtins.c (c_getstr): Correct thinko in last change and further
1348 2001-09-10 Tim Freeman <tim@fungibole.com>
1350 * dwarf2out.c (incomplete_types, decl_scope_table): Make them
1351 into varray's and register them as roots with the garbage
1352 collector so they are not collected too soon.
1354 Mon Sep 10 14:21:26 CEST 2001 Jan Hubicka <jh@suse.cz>
1356 * Makefile.in (cfg.o, cfganal.o, cfgloop.o, cfgbuild.o, cfgcleanup.o):
1358 * basic-block.h (flow_obstack, label_value_list,
1359 tail_recursion_label_list): Declare
1360 (tidy_fallthru_edges): Declare.
1361 (expunge_block, last_loop_beg_note): Delete.
1362 (can_fallthru, flow_nodes_print, flow_edge_list_print): Declare.
1364 (basic_block_for_insn, label_value_list): Move from flow.c; make global.
1365 (n_basic_blocks, n_edges, basic_block_info, entry_exit_blocks,
1366 init_flow, clear_edges, can_delete_note_p, can_delete_label_p,
1367 flow_delete_insn, flow_delete_insn_chain, create_basic_block,
1368 expunge_block, flow_delete_block, compute_bb_for_insn,
1369 update_bb_for_insn, set_block_for_insn, set_block_for_new_insns,
1370 make_edge, remove_edge, redirect_edge_succ, redirect_edge_succ_nodup,
1371 redirect_edge_pred, split_block, marge_blocks_nomove, block_label,
1372 try_redirect_by_replacing_jump, last_loop_beg_note,
1373 redirect_edge_and_branch, redirect_edge_and_branch_force,
1374 tidy_fallthru_edge, tidy_fallthru_edges, back_edge_of_syntactic_loop_p,
1375 split_edge, insert_insn_on_edge, commit_one_edge_insertion,
1376 commit_edge_insertions, dump_flow_info, debug_flow_info,
1377 dump_edge_info, dump_bb, debug_bb, debug_bb_n, print_rtl_with_bb,
1378 verify_flow_info, purge_dead_edges, purge_all_dead_edges):
1379 Move here from flow.c
1380 * cfganal.c: New file.
1381 (forwarder_block_p, can_fallthru, mark_critical_edges,
1382 mark_dfs_back_edges, need_fake_edge_p, flow_call_edges_add,
1383 find_unreachable_blocks, create_edge_list, free_edge_list,
1384 print_edge_list, verify_edge_list, find_edge_index, flow_nodes_print,
1385 flow_edge_list_print, remove_fake_successors, remove_fake_edges,
1386 add_noreturn_fake_exit_edges, connect_infinite_loops_to_exit,
1387 flow_reverse_top_sort_order_compute, flow_depth_first_order_compute,
1388 flow_dfs_compute_reverse_init, flow_dfs-compute_reverse_add_bb,
1389 flow_dfs-compute_reverse_execute, flow_dfs_compute_reverse_finish);
1390 Move here from flow.c
1391 * cfgbuild.c: New file
1392 (count_basic_blocks, find_label_refs, make_label_edge, make_eh_edge,
1393 make_edges, find_basic_blocks_1, find_basic_blocks,
1394 find_sub_basic_blocks): Move here from flow.c
1395 * cfgcleanup.c: New file.
1396 (try_simplify_condjump, try_forward_edges, tail_recursion_label_p,
1397 merge_blocks_move_predecessor_nojumps,
1398 merge_blocks_move_successor_nojumps, merge_blocks,
1399 flow_find_cross_jump, outgoing_edges_match, try_crossjump_to_edge,
1400 try_crossjump_bb, try_optimize_cfg): Move here from flow.c
1401 (delete_unreachable_blocks, cleanup_cfg): Likewise; return true
1403 * cfgloop.c: New file
1404 (flow_loops_cfg_dump, flow_loop_nested_p, flow_loop_dump,
1405 flow_loops_dump, flow_loops_free, flow_loop_entry_edges_find,
1406 flow_loop_exit_edges_find, flow_loop_nodes_find,
1407 flow_loop_pre_header_scan, flow_loop_pre_header_find,
1408 flow_loop_tree_node_add, flow_loops_tree_build,
1409 flow_loop_level_compute, flow_loops_level_compute, flow_loop_scan,
1410 flow_loops_find, flow_loops_update, flow_loop_outside_edge_p):
1411 Move here from flow.c
1412 * flow.c: Remove everything moved elsewhere
1413 * output.h (cleanup_cfg): Return bool.
1415 * bb-reorder.c (reorder_block_def): Remove 'index'.
1416 (insert_intra_1): Add argument BB, set block for new note.
1417 (make_reorder_chain): Do not depdent on BB indexes.
1418 (make_reorder_chain_1): Do not use BB indexes.
1419 (label_for_bb): Likewise; set BB for new insn.
1420 (emit_jump_to_block_after): Likewise.
1421 (fixup_reoder_chain): Sanity check that all basic blocks
1422 are chained; verify newly created insn chain; remove
1423 undocnitional jump simplifying; Do not use BB indexes;
1424 properly initialize count and frequency information;
1425 dump reordered sequence.
1426 (insert_intra_bb_scope_notes): update call of insert_intra_1.
1427 (insert_inter_bb_scope_notes): Set block for new insn.
1428 (reorder_basic_blocks): Dump flow info before reoredering.
1430 Mon Sep 10 06:47:35 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1432 * alias.c (clear_reg_alias_info): Use K&R format definition.
1433 Avoid unsigned warning.
1434 * builtins.c: Use "unsigned int", not "unsigned".
1435 (target_char_cast): Use host_integerp and tree_low_cst.
1436 (expand_builtin_args_info, expand_builtin_frame_address): Likewise.
1437 (c_strlen): Likewise; OFFSET now HOST_WIDE_INT.
1438 (c_getstr): Likewise.
1439 (std_expand_builtin_va_arg): Use int_size_in_bytes.
1440 (builtin_memcpy_read_str): Avoid unsigned warning.
1441 (expand_builtin_memcpy): Alignments are unsigned.
1442 (expand_builtin_strncpy, expand_builtin_memset): Likewise.
1443 (expand_builtin_expect_jump): Use integer_zerop and integer_onep.
1444 * predict.c (expensive_function_p): LIMIT now unsigned.
1445 * resource.c (mark_target_live_regs): Make some vars unsigned.
1446 * sdbout.c: Use "unsigned int", not "unsigned".
1447 (MAKE_LINE_SAFE): Add cast to avoid unsigned warning.
1448 (sdbout_source_line): Likewise.
1449 (sdbout_record_type_name): Remove "const" for NAME declaration.
1450 * config/alpha/alpha.c (alpha_expand_block_move): Whitespace fixes.
1452 2001-09-10 Richard Sandiford <rsandifo@redhat.com>
1454 * calls.c (store_one_arg): Expand comment.
1456 2001-09-10 Roman Lechtchinsky <rl@cs.tu-berlin.de>
1458 * calls.c (store_one_arg): Make sure that the entire argument is
1459 pushed if STACK_PARMS_IN_REG_PARM_AREA is defined.
1461 2001-09-09 Richard Henderson <rth@redhat.com>
1463 * emit-rtl.c (adjust_address): Fix mode for LO_SUM.
1465 Sun Sep 9 10:43:17 CEST 2001 Jan Hubicka <jh@suse.cz>
1467 * loop.c (combine_givs): Fix computing of benefit once giv is combined.
1469 2001-09-09 Richard Henderson <rth@redhat.com>
1471 * config/alpha/alpha.c (alpha_next_sequence_number): New.
1472 (alpha_this_literal_sequence_number): New.
1473 (alpha_this_gpdisp_sequence_number): New.
1474 (some_operand, input_operand): Add HIGH.
1475 (local_symbolic_operand): New.
1476 (alpha_encode_section_info): New.
1477 (alpha_legitimate_address_p): Allow LO_SUM.
1478 (alpha_legitimize_address): Generate HIGH+LO_SUM.
1479 (alpha_expand_mov): Likewise.
1480 (secondary_reload_class): Check memory_operand not general_operand
1482 (alpha_expand_unaligned_load): Force LO_SUM addresses into a register.
1483 (alpha_expand_unaligned_store): Likewise.
1484 (alpha_expand_unaligned_load_words): Likewise.
1485 (alpha_expand_unaligned_store_words): Likewise.
1486 (alpha_expand_block_clear): Likewise.
1487 (print_operand): Handle %#, %*, %H.
1488 (print_operand_address): Handle LO_SUM.
1490 (alpha_does_function_need_gp): Use it.
1491 (alpha_expand_block_move): Fix signed compare warnings.
1492 (alpha_sa_mask, alpha_align_insns): Likewise.
1493 * config/alpha/alpha-protos.h: Update.
1494 * config/alpha/alpha.h (TARGET_EXPLICIT_RELOCS): New.
1495 (MASK_EXPLICIT_RELOCS): New.
1496 (TARGET_SWITCHES): Add -mexplicit-relocs.
1497 (EXTRA_CONSTRAINT): Add 'T'.
1498 (PREFERRED_RELOAD_CLASS): HIGH goes in GENERAL_REGS.
1499 (ASM_APP_ON, ASM_APP_OFF): Turn on and off asm macro expansion.
1500 (ENCODE_SECTION_INFO): Out line.
1501 (REDO_SECTION_INFO_P): New.
1502 (STRIP_NAME_ENCODING): New.
1503 (ASM_OUTPUT_LABELREF): New.
1504 (PRINT_OPERAND_PUNCT_VALID_P): Add #, *.
1505 (PREDICATE_CODES): Update.
1506 * config/alpha/alpha.md (divmodsi_internal_er, divmoddi_internal_er,
1507 call_osf_1_er_noreturn, call_osf_1_er, movdi_er_low, movdi_er_nofix,
1508 movdi_er_fix, prologue_ldgp_1_er, builtin_setjmp_receiver_sub_label_er,
1509 builtin_setjmp_receiver_er, exception_receiver_1_er,
1510 call_value_osf_1_er): New patterns.
1511 (sibcall_osf_1, sibcall_value_osf_1): Remove register alternative.
1512 (movqi, movhi, movsi): Add explicit $31 base register to lda.
1513 * config/alpha/elf.h (ASM_FILE_START): Set nomacro if explicit relocs.
1514 (FINAL_PRESCAN_INSN): New.
1516 Sat Sep 8 22:00:55 CEST 2001 Jan Hubicka <jh@suse.cz>
1518 * reg-stack.c (subst_stack_regs_pat): Fix fcmov reversal code.
1520 2001-09-08 Andreas Jaeger <aj@suse.de>
1522 * i386.h (TARGET_SWITCHES): Fix description.
1524 2001-09-07 David Edelsohn <edelsohn@gnu.org>
1526 * rs6000.c (num_insns_constant): Compute number of instructions
1529 * doc/install.texi: Explain AIX exception handling work-around.
1530 Update URL for AIX fixes.
1532 2001-09-07 Jim Wilson <wilson@redhat.com>
1534 * alias.c (clear_reg_alias_info): New.
1535 * flow.c (attempt_auto_inc): Call clear_reg_alias_info.
1536 * rtl.h (clear_reg_alias_info): Declare.
1538 2001-09-07 Roman Lechtchinsky <rl@cs.tu-berlin.de>
1540 * real.c (EMUSHORT,EMUSHORT_SIZE): Use HImode if no 16-bit type is
1542 (UEMUSHORT): New. Use instead of unsigned EMUSHORT.
1543 (m16m,edivm,emulm): Change declaration to match definition.
1545 2001-09-07 Roman Lechtchinsky <rl@cs.tu-berlin.de>
1547 * reload.c (push_reload): Check for subreg_lowpart_p instead of
1548 SUBREG_BYTE being 0 when determining if the inner part of a subreg
1551 2001-09-07 Roman Lechtchinsky <rl@cs.tu-berlin.de>
1553 * c-common.c (signed_or_unsigned_type): Handle machine mode types
1554 which have no corresponding C type.
1555 * fold_const.c (target_isinf,target_isnan,target_negative): Update
1556 the representation of 64-bit doubles to work with 64-bit ints.
1558 2001-09-07 Aldy Hernandez <aldyh@redhat.com>
1560 * config/mips/mips.c (override_options): Do not override ISA when ABI
1561 specified if MIPS_CPU_STRING_DEFAULT was specified.
1563 2001-09-07 Richard Henderson <rth@redhat.com>
1565 * loop.c (record_giv): Avoid simplifying MULT to ASHIFT.
1566 (express_from_1): Wrap lines.
1567 * rtlanal.c (commutative_operand_precedence): Rename from
1568 operand_preference; export.
1569 * rtl.h: Declare it.
1570 * simplify-rtx.c (simplify_gen_binary): Tidy +/- const_int handling.
1571 (simplify_binary_operation): Invoke simplify_plus_minus on
1572 (CONST (PLUS ...)) as well.
1573 (struct simplify_plus_minus_op_data): New.
1574 (simplify_plus_minus_op_data_cmp): New.
1575 (simplify_plus_minus): Use them. Avoid infinite recursion with
1576 simplify_binary_operation wrt CONST.
1578 Fri Sep 7 11:52:30 2001 Kazu Hirata <kazu@hxi.com>
1580 * h8300-protos.h (general_operand_dst_push): Remove.
1581 * h8300.c (general_operand_dst_push): Likewise.
1582 * h8300.h (OK_FOR_T): Likewise.
1583 (EXTRA_CONSTRAINTS): Do not use OK_FOR_T.
1584 * h8300.md (pushqi_h8300): New.
1585 (pushqi_h8300hs): Likewise.
1587 (pushhi_h8300): Likewise.
1588 (pushhi_h8300hs): Likewise.
1591 Fri Sep 7 12:56:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1593 * genattrtab.c (attr_printf): First arg is unsigned.
1594 Clean up formatting of callers.
1596 2001-09-06 Aldy Hernandez <aldyh@redhat.com>
1598 * config/mips/mips.c (override_options): Allow abi32 with 64 bit
1601 2001-09-07 Andreas Jaeger <aj@suse.de>
1603 * i386.h (TARGET_SWITCHES): Fix descriptions.
1605 2001-09-07 Matt Kraai <kraai@alumni.carnegiemellon.edu>
1607 * stor-layout.c (compute_record_mode): Check DECL_SIZE is set.
1609 2001-09-06 Ira Ruben <ira@apple.com>
1611 Remove OP_IDENTIFIER.
1612 * tree.def (OP_IDENTIFIER): Remove.
1613 * tree.c (tree_node_kind enum): Remove op_id_kind.
1614 (tree_node_kind_names): Remove "op_identifiers".
1615 (make_node): Remove OP_IDENTIFIER test.
1616 (build_op_identifier): Removed because it isn't being used.
1617 * print-tree.c (print_node): Remove OP_IDENTIFIER case.
1618 * cp/pt.c (tsubst): Remove OP_IDENTIFIER case.
1620 2001-09-06 Richard Henderson <rth@redhat.com>
1622 * simplify-rtx.c (simplify_binary_operation): Revert last change.
1624 2001-09-06 Richard Henderson <rth@redhat.com>
1626 * simplify-rtx.c (simplify_binary_operation): Simplify contents
1629 2001-09-06 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1631 * config/rs6000/rs6000.c (rs6000_emit_prologue): Fix DWARF2 register
1632 number used for CR register.
1634 Thu Sep 6 11:16:35 2001 Jeffrey A Law (law@cygnus.com)
1635 Joern Rennecke (amylaar@cygnus.com)
1637 * h8300-protos.h (h8300_return_addr_rtx): New prototype.
1638 * h8300.c (initial_offset): Handle offset between RP and FP.
1639 (h8300_return_addr_rtx): New function.
1640 * h8300.h (FIRST_PSEUDO_REGISTER): Bump now that we have a
1642 (FIXED_REGISTERS, CALL_USED_REGISTERS): Corresponding changes.
1643 (REG_ALLOC_ORDER, RETURN_ADDRESS_POINTER_REGNUM): Likewise.
1644 (REG_CLASS_CONTENTS, ELIMINABLE_REGS): Likewise.
1645 (CAN_ELIMINATE, REGISTER_NAMES):
1646 (RETURN_ADDR_RTX): Call h8300_return_addr_rtx.
1648 2001-09-06 Nathan Sidwell <nathan@codesourcery.com>
1650 Remove TYPE_NONCOPIED_PARTS.
1651 * tree.h (TYPE_NONCOPIED_PARTS): Remove.
1652 (struct tree_type): Remove noncopied_parts.
1653 * c-tree.h (TYPE_ACTUAL_ARG_TYPES): Map onto TYPE_BINFO.
1654 * expr.c (save_noncopied_parts, init_noncopied_parts): Remove.
1655 (fixed_type_p): Remove.
1656 (expand_expr, INIT_EXPR): Don't deal with noncopied parts.
1657 (expand_expr, MODIFY_EXPR): Likewise.
1658 * ggc-common.c (ggc_mark_trees): Remove TYPE_NONCOPIED_PARTS.
1659 * doc/c-tree.texi: Remove TYPE_NONCOPIED_PARTS FIXME.
1661 2001-09-06 Alan Modra <amodra@bigpond.net.au>
1663 * config/rs6000/rs6000.c (mask_operand): Use signed vars to avoid
1665 (mask64_operand): Likewise.
1666 (includes_rldic_lshift_p): Likewise.
1667 (includes_rldicr_lshift_p): Likewise.
1669 2001-09-05 Ziemowit Laski <zlaski@apple.com>
1671 * objc/objc-act.c (build_message_expr): If a class method cannot
1672 be found, do not issue a warning if a corresponding instance
1673 method exists in the root class.
1675 2001-09-05 Richard Henderson <rth@redhat.com>
1677 * config/alpha/alpha.c (alpha_expand_mov): Initialize temp.
1679 2001-09-05 Zack Weinberg <zack@codesourcery.com>
1681 * function.c (ggc_mark_struct_function): Mark f->outer.
1682 * toplev.c (rest_of_compilation): Clear DECL_SAVED_INSNS here...
1683 * integrate.c (output_inline_function): ... not here.
1685 Wed Sep 5 17:28:49 CEST 2001 Jan Hubicka <jh@suse.cz>
1687 * profile.c (branch_prob): Call add_noreturn_fake_exit_edges.
1689 * i386.c (size_cost): New static variable.
1690 (override_function): Use size_cost when -Os is specified.
1692 * i386.c (ix86_expand_prologue): Set use_fast_prologue_epilogue
1693 properly; Use current_function_calls_eh_return.
1694 (ix86_expand_epilogue): Avoid dummy optimize_size tests;
1695 use leave to avoid depdendancy chain.
1697 * local-alloc.c (update_equiv_regs): Use CFG to iterate over INSN stream;
1698 get BB loop_depth instead of computing it from LOOP notes.
1700 * reg-stack.c (subst_stack_reg_pat): Handle reversal of conditional moves.
1702 2001-09-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
1704 * som.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
1705 * pa.h (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
1706 UNALIGNED_DOUBLE_INT_ASM_OP): Define
1708 2001-09-05 Jeffrey A Law (law@cygnus.com)
1709 Jason Merrill (jason@redhat.com)
1711 * stor-layout.c (layout_type): Complain if an array's size can
1712 not be represented in a size_t.
1714 * config/h8300/elf.h (ENDFILE_SPEC, STARTFILE_SPEC): Define.
1716 2001-09-05 David Billinghurst <David.Billinghurst@riotinto.com>
1718 * gcc.c: (process_command) Add parentheses around assignment
1719 used as truth value.
1721 2001-09-05 Richard Sandiford <rsandifo@redhat.com>
1723 * config/mips/mips.c (save_restore_insns): Don't mark any register
1724 save slots as unchanging if current_function_calls_eh_return.
1726 2001-09-05 Richard Henderson <rth@redhat.com>
1728 * config/alpha/alpha.c (alpha_legitimate_address_p): New.
1729 * config/alpha/alpha-protos.h: Declare it.
1730 * config/alpha/alpha.h (GO_IF_LEGITIMATE_ADDRESS): Move to c file.
1731 (NONSTRICT_REG_OK_FOR_BASE_P): Rename from non-strict macro.
1732 (NONSTRICT_REG_OK_FP_BASE_P): Likewise.
1733 (STRICT_REG_OK_FOR_BASE_P): Rename from strict macro.
1734 (REG_OK_FOR_BASE_P): Select one of the above.
1736 2001-09-05 Richard Sandiford <rsandifo@redhat.com>
1738 * config/mips/t-elf (EXTRA_PARTS): Use EXTRA_MULTILIB_PARTS instead.
1739 (crti.o): Prefix name of object file with $(T).
1742 2001-09-05 David S. Miller <davem@redhat.com>
1744 * config/sparc/linux.h: Set CPLUSPLUS_CPP_SPEC.
1745 * config/sparc/linux64.h: Likewise.
1747 2001-09-05 Andreas Jaeger <aj@suse.de>
1749 * doc/invoke.texi (i386 Options): -mwide-multiply is not
1750 available anymore, remove the documentation.
1751 (i386 Options): Fix typo, cleanup index entries.
1753 * prefix.c (concat): Remove, we can use the version from liberty.
1755 2001-09-05 Richard Henderson <rth@redhat.com>
1757 * config/alpha/alpha.c (alpha_expand_mov, alpha_expand_mov_nobwx):
1758 New functions split out of md file expanders.
1759 * config/alpha/alpha-protos.h: Declare them.
1760 * config/alpha/alpha.md (movqi, movhi, movsi, movdi): Use them.
1762 2001-09-05 Neil Booth <neil@daikokuya.demon.co.uk>
1764 * cppmacro.c (funlike_invocation_p): No need to restore context.
1766 2001-09-04 Richard Henderson <rth@redhat.com>
1768 * reload.c (push_reload): Export.
1769 * reload.h (push_reload): Declare it.
1771 * config/alpha/alpha.h (LEGITIMIZE_ADDRESS): Move out o' line.
1772 (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
1773 * config/alpha/alpha.c (alpha_legitimize_address): New.
1774 (alpha_legitimize_reload_address): Likewise.
1775 * config/alpha/alpha-protos.h: Declare them.
1777 2001-09-04 Stan Shebs <shebs@apple.com>
1779 * config/darwin.h (ASM_DECLARE_FUNCTION_NAME): Define.
1780 * config/darwin.c (machopic_stub_name): Account for internally
1781 generated lib calls such as memcpy.
1783 2001-09-04 Richard Henderson <rth@redhat.com>
1785 * unwind.h (_UA_END_OF_STACK): New flag.
1786 * unwind.inc (_Unwind_ForcedUnwind_Phase2): Set it.
1788 Tue Sep 4 11:16:35 2001 Jeffrey A Law (law@cygnus.com)
1790 * h8300/elf.h (LINK_SPEC): Redefine appropriately for the H8.
1792 2001-09-04 Richard Sandiford <rsandifo@redhat.com>
1794 * config/mips/mips.c (save_restore_insns): Change base_offset to
1795 fp_offset in second call to mips_emit_frame_related_store.
1797 2001-09-04 Hans-Peter Nilsson <hp@axis.com>
1799 * doc/rtl.texi: Mention that besides as a CODE_LABEL, a label can
1800 sometimes be represented as a NOTE of type
1801 NOTE_INSN_DELETED_LABEL.
1802 (Insns): Document NOTE_INSN_DELETED_LABEL.
1804 2001-09-04 Nathan Sidwell <nathan@codesourcery.com>
1806 * c-common.h (tree_dump_index): Add more comments.
1807 * c-dump.c (dump_files): Name flags `tree' rather than `ast'.
1808 (dump_option_value_info): New struct.
1809 (dump_options): New array.
1810 (dump_switch_p): Parse switch options symbolically.
1811 * doc/invoke.texi (-fdump-ast): Rename to ...
1812 (-fdump-tree): ... here. Document that options are symbolic, and
1813 not all are applicable.
1815 2001-09-04 David S. Miller <davem@redhat.com>
1817 * config/sparc/sparc.md (define_splits): Kill constraints.
1819 Cleanup redundant and unused insn attributes.
1820 * config/sparc/sparc.md (define_attr "insn"): Kill address, unary,
1821 binary, and move. Mark ialu as default.
1822 (commented out define_function_unit "alu"): Kill.
1823 (define_attr "use_clobbered"): Kill.
1824 (whole file): Kill address insn type references. Replace
1825 all unary/binary/move references with ialu.
1826 * config/sparc/sparc.c (whole file): Kill TYPE_ADDRESS
1827 references. Replace TYPE_{UNARY,BINARY,MOVE} references with
1830 Simplify length insn attribute and make more judicious use
1831 of insn attribute defaulting.
1832 * config/sparc/sparc.md (all insns with length > one): Mark as
1833 insn type multi if real instructions, else use default if
1834 it is a forced splitter.
1835 (all insns with length == one): Use default insn length.
1836 (all insns of type ialu): Use default insn type.
1838 Fix erroneous insn attribute settings.
1839 (addx): Set insn type to misc.
1840 (mulsidi3_sp64, const_mulsidi3_sp64, umulsidi3_sp64,
1841 const_umulsidi3_sp64): Set insn type to imul.
1843 Track SFmode vs DFmode insns according to UltraSPARC
1845 * config/sparc/sparc.md ("fptype"): New attribute, default
1847 (all DFmode single insns): Mark as fptype "double".
1849 2001-09-03 Jakub Jelinek <jakub@redhat.com>
1851 * loop.c (express_from_1): Fix CONSTANT_P(a) case.
1853 2001-09-03 Richard Henderson <rth@redhat.com>
1855 * function.h (struct function): Add arg_pointer_save_area_init.
1856 * function.c (expand_function_end): Init arg_pointer_save_area.
1857 (get_arg_pointer_save_area): Do not init arg_pointer_save_area
1858 when called from a nested function.
1860 2001-09-02 Angela Marie Thomas <angela@cygnus.com>
1862 * fixinc/Makefile.in: Regenerate fixincl.x only if maintainer-mode
1865 Sun Sep 2 18:37:54 CEST 2001 Jan Hubicka <jh@suse.cz>
1867 * reload1.c (fixup_abnormal_edges): Allow NOTEs in the sequence.
1869 2001-09-01 Geoffrey Keating <geoffk@redhat.com>
1871 * expr.c (push_block): Make sane use of STACK_GROWS_DOWNWARD.
1872 (emit_push_insn): Use specified padding direction when
1873 STACK_PUSH_CODE is POST_INC.
1875 * config/stormy16/stormy16.h (DWARF2_UNWIND_INFO): Define to 0.
1877 2001-09-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1879 * mips.h (INITIAL_ELIMINATION_OFFSET): Add missing `else abort'.
1881 2001-09-01 Neil Booth <neil@daikokuya.demon.co.uk>
1883 * cppinit.c (cpp_start_read): Free the imacros list as we
1884 traverse it. Don't free the chains before returning.
1885 (_cpp_push_next_buffer): Only try pushing buffers if we've
1886 completed -imacros handling.
1888 2001-08-31 Eric Christopher <echristo@redhat.com>
1890 * gcc.c (handle_braces): Add explaination for abort.
1892 2001-08-30 Roman Zippel <zippel@linux-m68k.org>
1894 * expmed.c (store_bit_field): Update to patch from 2001-08-27:
1895 move adjustment of bitpos instead.
1897 2001-08-31 Zack Weinberg <zack@codesourcery.com>
1899 * function.c: Remove all_functions. Make outer_function_chain
1901 (init_function_start): Don't add new function structure to
1903 (find_function_data, push_function_context_to,
1904 pop_function_context_from, put_var_into_stack,
1905 trampoline_address): Update for changed structure element names.
1906 (push_function_context_to): Disentangle.
1907 (free_after_compilation): Also free F.
1908 (expand_dummy_function_end): Don't free cfun here.
1909 (put_var_into_stack): Comment why we can't use find_function_data here.
1910 (fix_lexical_addr, trampoline_address, ): Use find_function_data.
1911 (mark_function_chain): Split into maybe_mark_struct_function and
1912 ggc_mark_struct_function. Export the latter.
1913 (init_function_once): Mark from cfun and outer_function_chain;
1916 * function.h (struct function): Kill next_global. Rename next
1917 to outer. All users updated to match.
1918 (all_functions, outer_function_chain): Don't declare.
1920 * ggc-common.c (ggc_mark_trees): Mark DECL_SAVED_INSNS.
1921 * integrate.c (output_inline_function): Clear DECL_SAVED_INSNS,
1922 don't touch f->inlinable, after calling rest_of_compilation.
1924 * tree.h: Forward-declare struct function. Prototype
1925 ggc_mark_struct_function.
1927 2001-08-31 Kazu Hirata <kazu@hxi.com>
1929 * config/h8300/h8300.md (*andorhi3): Fix typos.
1931 2001-08-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1933 * calls.c (emit_library_call_value): Don't use a fixed
1934 argument after VA_CLOSE, i.e. out of scope in traditional C.
1936 * emit-rtl.c (gen_rtvec): Likewise.
1938 2001-08-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1940 * Makefile.in (c-pragma.o): Depend on output.h.
1941 (reorg.o): Depend on except.h.
1943 * c-pragma.c: Include output.h.
1945 * reorg.c: Include except.h.
1947 * unwind-dw2.c: Call __builtin_alloca, not alloca.
1949 2001-08-31 Richard Henderson <rth@redhat.com>
1951 * sched-deps.c (add_dependence): Don't elide dependancy if the
1952 conditional used by insn is modified in elem.
1954 2001-08-31 Nick Clifton <nickc@cambridge.redhat.com>
1956 * config/v850/v850.h (OUTPUT_ADDR_CONST_EXTRA): Define.
1958 2001-08-31 Diego Novillo <dnovillo@redhat.com>
1960 * c-decl.c (c_decode_option): Skip '-f' prefix before calling
1963 2001-08-31 Geoffrey Keating <geoffk@redhat.com>
1965 * config/stormy16/stormy16.c (stormy16_asm_out_destructor): New
1967 (stormy16_asm_out_constructor): New function.
1968 (TARGET_ASM_CONSTRUCTOR): Define.
1969 (TARGET_ASM_DESTRUCTOR): Define.
1971 2001-08-31 Andreas Jaeger <aj@suse.de>
1973 * gcse.c (add_label_notes): REG_LABEL is an INSN_LIST.
1974 * loop.c (add_label_notes): Likewise.
1975 * reload.c (find_reloads): Likewise.
1976 * config/sh/sh.c (machine_dependent_reorg): Likewise.
1978 2001-08-31 Jason Merrill <jason_merrill@redhat.com>
1980 * unwind-pe.h (read_uleb128, read_sleb128): Move actual reading
1981 code here. Take _Unwind_{W,Sw}ord*.
1982 (read_encoded_value_with_base): Use them.
1983 * unwind-dw2.c (_Unwind_FrameState): Make cfa_offset and cfa_reg
1985 (extract_cie_info): Simplify read_?leb128 handling.
1986 (execute_stack_op, execute_cfa_program): Likewise.
1987 * unwind-dw2-fde.c (get_cie_encoding): Likewise.
1989 2001-08-31 Geoffrey Keating <geoffk@redhat.com>
1991 * config/stormy16/stormy16.c (stormy16_expand_epilogue): Use
1992 the frame pointer to pop the stack if convenient.
1994 * config/stormy16/stormy16.c (stormy16_initialize_trampoline):
1995 Don't use post-increment before combine.
1996 * config/stormy16/stormy16.h (STATIC_CHAIN_REGNUM): Don't use
1997 a call-saved register.
1999 2001-08-31 Andreas Jaeger <aj@suse.de>
2001 * jump.c (mark_jump_label): Revert patch from 2001-08-28, the
2004 2001-08-30 Geoffrey Keating <geoffk@redhat.com>
2006 * config/stormy16/stormy16.md (udivmodhi4): Express using UDIV/UMOD,
2007 not DIV/MOD, of course.
2009 2001-08-30 Vladimir Makarov <vmakarov@redhat.com>
2011 * rtl.def: Undo my patch commited 2001-08-27.
2013 * genattrtab.c: Ditto.
2017 * sched-int.h: Ditto.
2019 * target-def.h: Ditto.
2023 * haifa-sched.c: Ditto.
2025 * sched-rgn.c: Ditto.
2027 * sched-vis.c: Ditto.
2029 * Makefile.in: Ditto.
2031 * doc/md.texi: Ditto.
2033 * doc/tm.texi: Ditto.
2035 * doc/contrib.texi: Ditto.
2037 * doc/gcc.texi: Ditto.
2039 * genattrtab.h: Remove it.
2041 * genautomata.c: Remove it.
2043 * genattr.c: Undo my patch and Richard Henderson's patch commited
2046 Thu Aug 30 19:22:15 2001 J"orn Rennecke <amylaar@redhat.com>
2048 * config.gcc (h8300-*-elf*): New case.
2049 * h8300.h (CPP_SPEC): Add subtarget_cpp_spec.
2050 (SUBTARGET_CPP_SPEC): Define.
2051 (EXTRA_SPECS): Define.
2052 (SUBTARGET_EXTRA_SPECS): Define.
2053 * config/h8300/crti.asm, config/h8300/crtn.asm: New files.
2054 * config/h8300/elf.h, config/h8300/t-elf: Likewise.
2056 Thu Aug 30 18:50:37 2001 J"orn Rennecke <amylaar@redhat.com>
2058 * t-h8300 (LIB1ASMFUNCS): Add _fixunssfdi and _fixunssfsi_asm.
2059 (LIB2FUNCS_EXTRA): Define.
2060 config/h8300/lib1funcs.asm: New part: L_fixunssfsi_asm .
2061 config/h8300/fixunssfsi.c: New file.
2063 2001-08-30 Kazu Hirata <kazu@hxi.com>
2065 * config/h8300/h8300.md (zero_extendqihi2): Changes to
2066 define_expand to accomodate target-specific attributes.
2067 (anonymous zero_extendqihi2 patterns): New.
2069 Thu Aug 30 18:10:56 2001 J"orn Rennecke <amylaar@redhat.com>
2071 * h8300.md (*andorhi3): New pattern.
2073 Thu Aug 30 16:00:31 2001 J"orn Rennecke <amylaar@redhat.com>
2075 * h8300.c (dosize): Fix test for "sub".
2077 Thu Aug 30 10:21:43 2001 J"orn Rennecke <amylaar@redhat.com>
2079 * c-typeck.c (pointer_diff): Try to eliminate common term before
2082 2001-08-30 Nick Clifton <nickc@cambridge.redhat.com>
2084 * config/arm/arm.c (arm_compute_initial_elimination_offset):
2085 Account for the saves of the FP registers.
2087 * config/arm/unknown-elf.h (TEXT_SECTION): Delete.
2088 (TEXT_SECTION_ASM_OP): Define.
2089 (INIT_SECTION_ASM_OP): Define.
2090 (FINI_SECTION_ASM_OP): Define.
2091 (SUBTARGET_EXTRA_SECTIONS): Remove trailing comma.
2092 (RDATA_SECTION_FUNCITON): Provide prototype.
2094 2001-08-29 Geoffrey Keating <geoffk@redhat.com>
2096 * reload1.c (move2add_note_store): Correct typo checking for
2099 2001-08-29 Andrew MacLeod <amacleod@redhat.com>
2101 * gcse.c (compute_hash_table): The SRC part of an insn with a RETVAL
2102 note should not be considered outside the libcall block.
2104 2001-08-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2106 * genattrtab.c (attr_printf): Use VA_OPEN/VA_FIXEDARG/VA_CLOSE.
2108 2001-08-29 Kazu Hirata <kazu@hxi.com>
2110 * config/h8300/h8300.md (movsi_h8300hs): Make it 64-bit safe.
2112 2001-08-29 Kazu Hirata <kazu@hxi.com>
2114 * config/h8300/h8300-protos.h: Add a prototype for
2116 * config/h8300/h8300.c (emit_logical_op): New.
2117 * config/h8300/h8300.md (andhi3): Use emit_logical_op.
2124 2001-08-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
2126 * pa.c (move_operand): Cast GET_MODE_SIZE results to HOST_WIDE_INT for
2127 comparison with rtx INTVAL.
2128 (pa_output_function_prologue): Don't mix signed and unsigned in `?'
2130 * pa.h (FUNCTION_ARG_SIZE): Likewise.
2132 2001-08-29 Kazu Hirata <kazu@hxi.com>
2134 * config/h8300/lib1funcs.asm: Update the copyright. Fix
2137 2001-08-29 Kazu Hirata <kazu@hxi.com>
2139 * config/h8300/h8300.md (anonymous movhi pattern): Don't move
2140 (reg n) to (mem (pre_dec (reg n))
2141 (anonymous movsi pattern): Likewise.
2143 2001-08-29 Kazu Hirata <kazu@hxi.com>
2145 * config/h8300/h8300.h (RETURN_ADDR_RTX): New.
2147 2001-08-29 Kazu Hirata <kazu@hxi.com>
2149 * config/h8300/h8300.md (movsi_h8300hs): Optimize loading of
2150 several special constants.
2152 2001-08-29 Kazu Hirata <kazu@hxi.com>
2154 * config/h8300/lib1funcs.asm: Fix comment typos.
2156 2001-08-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2158 * iris6.h (ASM_DECLARE_OBJECT_NAME, ASM_FINISH_DECLARE_OBJECT):
2159 Fix format specifier warnings.
2161 * irix6-libc-compat.c (inet_ntoa, inet_lnaof, inet_netof,
2162 inet_makeaddr, semctl): Prototype.
2164 * mips.c (compute_frame_size): Fix signed/unsigned warnings.
2165 (save_restore_insns): Use base_offset, not gp_offset.
2167 * mips.h (GP_REG_OR_PSEUDO_STRICT_P): Fix signed/unsigned warning.
2168 (ASM_OUTPUT_BYTE): Fix format specifier warning.
2170 2001-08-29 Richard Henderson <rth@redhat.com>
2172 * bb-reorder.c (function_tail_eff_head): New.
2173 (record_effective_endpoints): Set it.
2174 (fixup_reorder_chain): Use it.
2176 2001-08-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2178 * dwarf2asm.c (dw2_asm_output_nstring): Fix typo in previous change.
2180 2001-08-28 Dale Johannesen <dalej@apple.com>
2182 * config/darwin.c (machopic_function_base_name): Add const
2183 qualifier to a string.
2184 (darwin_encode_section_info): Ditto.
2186 2001-08-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2188 * tree.c (default_valid_attribute_p): Don't use PARAMS on a
2189 function definition.
2191 2001-08-28 Daniel Berlin <dan@cgsoftware.com>
2193 * df.h (struct df): Add rts_order variable.
2195 * df.c (df_visit_next_rts): New function.
2196 (df_visit_next): Renamed to df_visit_next_rc
2197 (df_analyse_1): Allocate/compute/free rts_order as well.
2198 (df_rd_global_compute): Use df_visit_next_rc instead of
2200 (df_ru_global_compute): Use df_visit_next_rts instead of
2203 * flow.c (flow_reverse_top_sort_order_compute): New function.
2205 * basic-block.h: Add prototype.
2207 2001-08-28 Daniel Berlin <dan@cgsoftware.com>
2209 * ssa-ccp.c (ssa_ccp_df_delete_unreachable_insns): For unreachable
2210 blocks, the BB_REACHABLE is now set, rather than aux being
2211 non-NULL. Update the test to reflect this.
2213 2001-08-28 Eric Christopher <echristo@redhat.com>
2215 * config/mips/crtn.asm: Add comment explaining 16 byte alignment.
2216 config/mips/crti.asm: Ditto.
2218 2001-08-28 Eric Christopher <echristo@redhat.com>
2219 Richard Henderson <rth@redhat.com>
2221 * c-pragma.h (add_weak): Move prototype from here...
2222 * output.h (add_weak): ... to here.
2223 * varasm.c (add_weak): Fix typo.
2224 * config/mips/crti.asm: New file.
2225 * config/mips/crtn.asm: Ditto.
2226 * config/mips/elf.h (SBSS_SECTION_ASM_OP) Add #undef.
2227 (CTOR_LISTS_DEFINED_EXTERNALLY): Remove.
2228 (INVOKE__main): Ditto.
2229 (INIT_SECTION_ASM_OP): New.
2230 (FINI_SECTION_ASM_OP): Ditto.
2231 (STARTFILE_SPEC): Add crti.
2232 (ENDFILE_SPEC): Add crtn.
2233 * config/mips/elf64.h: Same.
2234 * config/mips/rtems64.h (INVOKE__main, NAME__MAIN, SYMBOL__MAIN):
2236 * config/mips/vxworks.h: Ditto.
2237 * config/mips/t-elf: Support crti and crtn.
2239 2001-08-28 Alexandre Oliva <aoliva@redhat.com>
2241 * jump.c (mark_jump_label): Fix typo: REG_LABEL is EXPR_LIST, not
2244 2001-08-28 Richard Henderson <rth@redhat.com>
2246 * config/ia64/ia64.md (andcmbi3, iorcmbi3): Fix typos.
2247 (one_cmplbi2 splitter): Remove redundant test.
2249 2001-08-28 Dale Johannesen <dalej@apple.com>
2251 * config/rs6000/darwin.h (DEFAULT_SIGNED_CHAR): Define.
2253 2001-08-28 Danny Smith <dannysmith@users.sourceforge.net>
2255 * config/i386/cygwin.h (BIGGEST_FIELD_ALIGNMENT): Set to 64.
2257 2001-08-28 Stan Shebs <shebs@apple.com>
2259 * config/darwin.h (ASM_OUTPUT_LABELREF): Handle '*' names.
2260 (UNALIGNED_SHORT_ASM_OP): Define.
2261 (UNALIGNED_INT_ASM_OP): Define.
2263 2001-08-28 Will Cohen <wcohen@redhat.com>
2265 * config/rs6000/rs6000.md (store_multiple): Correct RTL
2266 generation for first set.
2268 2001-08-27 Roman Zippel <zippel@linux-m68k.org>
2270 * flow.c (redirect_edge_succ_nodup): Return new edge.
2271 (try_simplify_condjump): Use new edge.
2272 * basic-block.h (redirect_edge_succ_nodup): Update prototype.
2274 * cse.c (cse_basic_block): Skip note instructions.
2276 2001-08-27 Richard Henderson <rth@redhat.com>
2278 * combine.c (combine_simplify_rtx): Don't reverse condition
2279 if there is no reverse for the condition.
2280 (simplify_comparison): Don't simplify subregs from INT to FP.
2282 * config/m68k/m68k.md (sordered, sordered_1, sunordered, sunordered_1,
2283 suneq, suneq_1, sunge, sunge_1, sungt, sungt_1, sunle, sunle_1,
2284 sunlt, sunlt_1, sltgt, sltgt_1, fsogt_1, fsoge_1, fsolt_1, fsole_1,
2285 bordered, bunordered, buneq, bunge, bungt, bunle, bunlt, bltgt,
2286 bordered_rev, bunordered_rev, buneq_rev, bunge_rev, bungt_rev,
2287 bunle_rev, bunlt_rev, bltgt_rev): New patterns.
2289 2001-08-27 Roman Zippel <zippel@linux-m68k.org>
2291 * config/m68k/m68k.md (subreghi1ashrdi_const32, bsetmemqi,
2292 bsetmemqi+1, strict_low_part peephole): Fix SUBREG_BYTE offset.
2294 (adddi_dilshr32, adddi_dishl32): Only data register can be
2295 source for mem destination.
2297 * expmed.c (store_bit_field): Ignore adjustment to bitpos
2298 and use bitnum to decide about register move.
2300 2001-08-27 Richard Henderson <rth@redhat.com>
2302 * genattr.c (main): Emit state_t even when not doing scheduling.
2304 2001-08-27 Roman Zippel <zippel@linux-m68k.org>
2305 Richard Henderson <rth@redhat.com>
2307 * gcse.c (reg_first_set, reg_last_set): Replace with ...
2308 (reg_avail_info, current_bb): ... these.
2309 (oprs_unchanged_p, record_last_reg_set_info): Use them.
2310 (compute_hash_table): Likewise.
2312 2001-08-27 Roman Zippel <zippel@linux-m68k.org>
2314 * flow.c (verify_flow_info): Use checksums to verify edges.
2316 2001-08-27 Richard Henderson <rth@redhat.com>
2318 * genautomata.c (expand_automata): Always create a description.
2320 2001-08-27 Geoffrey Keating <geoffk@redhat.com>
2322 * optabs.c (expand_binop): Correctly handle the carry in multiword
2323 add/subtract operations.
2325 2001-08-27 Fred Fish <fnf@be.com>
2327 * ginclude/stddef.h: Fix typo, __SIZE__TYPE__ should be
2330 2001-08-27 Geoffrey Keating <geoffk@redhat.com>
2332 * reload.c (find_reloads_toplev): Back out this change:
2334 Wed Jul 26 19:44:05 2000 Hans-Peter Nilsson <hp@axis.com>
2336 * reload.c (find_reloads_toplev): Reload a paradoxical subreg of a
2337 mem if the address is a mode_dependent_address_p.
2339 2001-08-27 Vladimir Makarov <vmakarov@touchme.toronto.redhat.com>
2341 * rtl.def (DEFINE_CPU_UNIT, DEFINE_QUERY_CPU_UNIT, EXCLUSION_SET,
2342 PRESENCE_SET, ABSENCE_SET, DEFINE_BYPASS, DEFINE_AUTOMATON,
2343 AUTOMATA_OPTION, DEFINE_RESERVATION, DEFINE_INSN_RESERVATION): New
2346 * genattr.c (main): New variable num_insn_reservations. Increase
2347 it if there is DEFINE_INSN_RESERVATION. Output automaton based
2348 pipeline hazard recognizer interface.
2350 * genattrtab.h: New file.
2352 * genattrtab.c: Include genattrtab.h.
2353 (attr_printf, check_attr_test, make_internal_attr,
2354 make_numeric_value): Move protypes into genattrtab.h. Define them
2356 (num_dfa_decls): New global variable.
2357 (main): Process DEFINE_CPU_UNIT, DEFINE_QUERY_CPU_UNIT,
2358 DEFINE_BYPASS, EXCLUSION_SET, PRESENCE_SET, ABSENCE_SET,
2359 DEFINE_AUTOMATON, AUTOMATA_OPTION, DEFINE_RESERVATION,
2360 DEFINE_INSN_RESERVATION. Call expand_automata and write_automata.
2362 * genautomata.c: New file.
2364 * rtl.h (LINK_COST_ZERO, LINK_COST_FREE): Remove them.
2366 * sched-int.h: (curr_state): Add the external definition for
2367 automaton pipeline interface.
2368 (haifa_insn_data): Add comments for members blockage and units.
2370 * target-def.h (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE,
2371 TARGET_SCHED_INIT_DFA_PRE_CYCLE_INSN,
2372 TARGET_SCHED_DFA_PRE_CYCLE_INSN,
2373 TARGET_SCHED_INIT_DFA_POST_CYCLE_INSN,
2374 TARGET_SCHED_DFA_POST_CYCLE_INSN,
2375 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD,
2376 TARGET_SCHED_INIT_DFA_BUBBLES, TARGET_SCHED_DFA_BUBBLE): New
2378 (TARGET_SCHED): Use the new macros.
2380 * target.h (use_dfa_pipeline_interface, init_dfa_pre_cycle_insn,
2381 dfa_pre_cycle_insn, init_dfa_post_cycle_insn, dfa_post_cycle_insn,
2382 first_cycle_multipass_dfa_lookahead, init_dfa_bubbles,
2383 dfa_bubble): New members in gcc_target.sched.
2385 * haifa-sched.c (insert_schedule_bubbles_p): New variable.
2386 (MAX_INSN_QUEUE_INDEX): New macro for automaton interface.
2387 (insn_queue): Redefine it as pointer to array.
2388 (NEXT_Q, NEXT_Q_AFTER): Use MAX_INSN_QUEUE_INDEX instead of
2390 (max_insn_queue_index_macro_value): New variable.
2391 (curr_state, dfa_state_size, ready_try): New varaibles for
2392 automaton interface.
2393 (ready_element, ready_remove, max_issue): New function prototypes
2394 for automaton interface.
2395 (choose_ready): New function prototype.
2396 (insn_unit, blockage_range): Add comments.
2397 (unit_last_insn, unit_tick, unit_n_insns): Define them for case
2398 FUNCTION_UNITS_SIZE == 0.
2399 (insn_issue_delay, actual_hazard_this_instance, schedule_unit,
2400 actual_hazard, potential_hazard): Add comments.
2401 (insn_cost): Use cost -1 as undefined value. Remove
2402 LINK_COST_ZERO and LINK_COST_FREE. Add new code for automaton
2404 (ready_element, ready_remove): New functions for automaton
2406 (schedule_insn): Add new code for automaton pipeline interface.
2407 (queue_to_ready): Add new code for automaton pipeline interface.
2408 Use MAX_INSN_QUEUE_INDEX instead of INSN_QUEUE_SIZE.
2409 (debug_ready_list): Print newline when the queue is empty.
2410 (max_issue): New function for automaton pipeline interface.
2411 (choose_ready): New function.
2412 (schedule_block): Add new code for automaton pipeline interface.
2413 Print ready list before scheduling each insn.
2414 (sched_init): Add new code for automaton pipeline interface.
2415 Initiate insn cost by -1.
2416 (sched_finish): Free the current automaton state and finalize
2417 automaton pipeline interface.
2419 * sched-rgn.c: Include target.h.
2420 (init_ready_list, new_ready, debug_dependencies): Add new code for
2421 automaton pipeline interface.
2423 * sched-vis.c: Include target.h.
2424 (get_visual_tbl_length): Add code for automaton interface.
2425 (target_units, print_block_visualization): Add comments.
2427 * Makefile.in (GETRUNTIME, HASHTAB, HOST_GETRUNTIME, HOST_HASHTAB,
2428 USE_HOST_GETRUNTIME, USE_HOST_HASHTAB, HOST_VARRAY): New variables.
2429 (sched-rgn.o, sched-vis.o): Add new dependency file target.h.
2430 (getruntime.o, genautomata.o): New entries.
2431 (genattrtab.o): Add new dependency file genattrtab.h.
2432 (genattrtab): Add new dependencies. Link it with `libm.a'.
2433 (getruntime.o, hashtab.o): New entries for canadian cross.
2435 * doc/md.texi: Description of automaton based model.
2437 * doc/tm.texi (TARGET_SCHED_ISSUE_RATE, TARGET_SCHED_ADJUST_COST):
2439 (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE,
2440 TARGET_SCHED_DFA_PRE_CYCLE_INSN,
2441 TARGET_SCHED_INIT_DFA_PRE_CYCLE_INSN,
2442 TARGET_SCHED_DFA_POST_CYCLE_INSN,
2443 TARGET_SCHED_INIT_DFA_POST_CYCLE_INSN,
2444 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD,
2445 TARGET_SCHED_INIT_DFA_BUBBLES, TARGET_SCHED_DFA_BUBBLE): The new
2447 (TRADITIONAL_PIPELINE_INTERFACE, DFA_PIPELINE_INTERFACE,
2448 MAX_DFA_ISSUE_RATE): New macro descriptions.
2450 * doc/contrib.texi: Add dfa based scheduler contribution.
2452 * doc/gcc.texi: Add more information about genattrtab.
2454 2001-08-27 Diego Novillo <dnovillo@redhat.com>
2456 * flow.c (flow_loop_dump): Do not display insn UIDs if this is not
2459 2001-08-27 Richard Henderson <rth@redhat.com>
2461 * function.c (expand_function_end): Don't init arg_pointer_save_area.
2462 (get_arg_pointer_save_area): New. Create an init it here.
2463 (fix_lexical_addr): Use it.
2464 * function.h: Declare it.
2465 * builtins.c (expand_builtin_setjmp_receiver): Use it.
2466 * stmt.c (expand_nl_goto_receiver): Use it.
2468 2001-08-27 Richard Henderson <rth@redhat.com>
2470 * final.c (final_scan_insn): Don't enter APP_ON mode for
2473 * dwarf2asm.c (dw2_asm_output_encoded_addr_rtx): Use proper
2474 alignment for assemble_integer for DW_EH_PE_aligned.
2475 * except.c (output_function_exception_table): Likewise.
2477 2001-08-26 Andreas Jaeger <aj@suse.de>
2479 * c-tree.h: Add prototyp for c_sizeof_nowarn.
2481 2001-08-25 Dan Nicolaescu <dann@ics.uci.edu>
2483 * ssa-ccp.c (ssa_const_prop): Free ssa_edges.
2485 2001-08-27 Alan Modra <amodra@bigpond.net.au>
2487 * config/rs6000/rs6000.c (mask_operand): Rewrite without
2489 (mask64_operand): Likewise.
2490 (rldic_operand): Delete.
2491 (includes_lshift64_p): Delete.
2492 (includes_rldic_lshift_p): New function.
2493 (includes_rldicr_lshift_p): New function.
2494 (print_operand): Don't call rldic_operand in case 'W'.
2495 * config/rs6000/rs6000-protos.h (rldic_operand): Remove.
2496 (includes_lshift64_p): Remove.
2497 (includes_rldic_lshift_p): Declare.
2498 (includes_rldicr_lshift_p): Declare.
2499 * config/rs6000/rs6000.h (PREDICATE_CODES): Remove rldic_operand.
2500 * config/rs6000/rs6000.md <ashldi3_internal 64 bit patterns>:
2501 Replace match_operand rldic_operand predicate with
2502 const_int_operand. Replace includes_lshift64_p condition with
2503 includes_rldic_lshift_p.
2504 <ashldi3_internal 64 bit rldicr patterns>: New.
2506 2001-08-27 Andreas Jaeger <aj@suse.de>
2508 * emit-rtl.c: Use VA_OPEN/VA_CLOSE/VA_FIXEDARG throughout.
2509 * errors.c: Likewise.
2510 * final.c: Likewise.
2511 * dwarf2asm.c: Likewise.
2512 * doprint.c (checkit): Likewise.
2513 * diagnostic.c: Likewise.
2514 * collect2.c: Likewise.
2515 * calls.c: Likewise.
2516 * c-semantics.c (build_stmt): Likewise.
2517 * c-format.c (status_warning): Likewise.
2518 * c-errors.c (pedwarn_c99): Likewise.
2519 * builtins.c (validate_arglist): Likewise.
2520 * config/pj/pj.c (pj_printf): Likewise.
2521 * fix-header.c: Likewise.
2523 * gcov.c (fnotice): Likewise.
2524 * gensupport.c (message_with_line): Likewise.
2525 * mips-tfile.c: Likewise.
2526 * protoize.c (notice): Likewise.
2527 * read-rtl.c (fatal_with_file_and_line): Likewise.
2528 * rtl-error.c: Likewise.
2529 * tradcpp.c: Likewise.
2531 * cp/tree.c (build_min_nt): Likewise.
2532 (build_min): Likewise.
2533 * cp/lex.c: Likewise.
2534 * cp/errfn.c: Likewise.
2535 * cp/rtti.c (create_pseudo_type_info): Likewise.
2537 Sun Aug 26 20:25:44 2001 Denis Chertykov <denisc@overta.ru>
2539 * df.c (df_uses_record): Return after recording all uses
2542 2001-08-26 Daniel Berlin <dan@cgsoftware.com>
2544 * df.c (df_insn_modify): Realloc the INSN table here, if
2545 necessary, here, too.
2547 2001-08-26 Aldy Hernandez <aldyh@redhat.com>
2549 * config/mips/mips.c (mips_function_value): Handle complex return
2552 2001-08-25 Hans-Peter Nilsson <hp@bitrange.com>
2554 * reload1.c (reload): Make all entries in reg_equiv_memory_loc
2556 * reload.c (make_memloc): Copy result if it is still
2557 reg_equiv_memory_loc[regno] on return.
2558 (subst_reloads) [ENABLE_CHECKING]: Check that none of
2559 reg_equiv_constant, reg_equiv_memory_loc, reg_equiv_address and
2560 reg_equiv_mem are modified by the substitutions.
2562 Sat Aug 25 23:07:35 CEST 2001 Jan Hubicka <jh@suse.cz>
2564 * predict.c (expensive_function_p): New.
2565 * rtl.h (expensive_function_p): Declare.
2566 * i386.c (FAST_PROLOGUE_INSN_COUNT): New constant.
2567 (use_fast_prologue_epilogue): New static variable.
2568 (expand_prologue): Set it; emit short prologues if unset.
2569 (expand_epilogue): Likewise.
2571 2001-08-22 Geoffrey Keating <geoffk@redhat.com>
2573 * config.gcc: Add stormy16-*-elf case.
2574 * config/stormy16/stormy-abi: New file.
2575 * config/stormy16/stormy16-lib2.c: New file.
2576 * config/stormy16/stormy16-protos.h: New file.
2577 * config/stormy16/stormy16.c: New file.
2578 * config/stormy16/stormy16.h: New file.
2579 * config/stormy16/stormy16.md: New file.
2580 * config/stormy16/t-stormy16: New file.
2582 Sat Aug 25 15:46:51 CEST 2001 Jan Hubicka <jh@suse.cz>
2584 * i386.h (no-accumulate-outgoing-args): Use proper mask.
2586 2001-08-24 David Edelsohn <edelsohn@gnu.org>
2588 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Function
2589 descriptor members are pointer size, not constant 4.
2590 * config/rs6000/rs6000.md (define_splits): Remove more unused
2593 2001-08-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2595 * sparc.h (ASM_OUTPUT_BYTE): Fix format specifier warning.
2597 2001-08-24 Andreas Jaeger <aj@suse.de>, rkl@connect.org.uk
2599 * cp/rtti.c (VPARAMS): Fix parameter.
2601 2001-08-24 Zack Weinberg <zackw@panix.com>
2603 * expmed.c: Default-#define HAVE_insv, HAVE_extv, and HAVE_extzv
2605 (mode_for_extraction): No need for #ifdefs. Add default-case abort
2607 (store_bit_field): Eliminate insv_bitsize variable. Put HAVE_insv
2608 in if controlling use of insv.
2609 (extract_bit_field): Likewise, for extv and extzv.
2611 Fri Aug 24 17:27:46 CEST 2001 Jan Hubicka <jh@suse.cz>
2613 * i386.md (movcc peep2): Fix load of 0.
2615 2001-08-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2617 * fold-const.c (tree_expr_nonnegative_p): Handle *_DIV_EXPR,
2618 *_MOD_EXPR, SAVE_EXPR and NON_LVALUE_EXPR.
2620 2001-08-23 Jason Merrill <jason_merrill@redhat.com>
2622 * c-pragma.h: Move weak_syms and weak_decls...
2623 * varasm.c: ...here. Now static.
2624 (declare_weak, weak_finish, remove_from_pending_weak_list): Don't
2625 depend on HANDLE_PRAGMA_WEAK.
2627 * c-common.c (c_alignof, c_alignof_expr): Move here...
2628 * c-typeck.c: ...from here.
2629 * c-tree.h, c-common.h: Adjust.
2631 2001-08-23 Bernd Schmidt <bernds@redhat.com>
2633 * config/ia64/ia64.c (rws_update): If !pred, set write_count
2634 instead of incrementing it.
2636 * config/ia64/ia64.c (ia64_sched_reorder): When there's more than one
2637 asm ready, don't try to move them all into the same array element.
2639 Thu Aug 23 17:21:43 CEST 2001 Jan Hubicka <jh@suse.cz>
2641 * function.c (thread_prologue_and_epilogue_insns): Avoid
2642 fallthru flag on edge to exit.
2644 * i386.md (trunc?fsi splitter): Conditionionize for non-sse.
2646 * flow.c (delete_noop_moves, propagate_block_delete_insn): Purge
2649 2001-08-23 Lars Brinkhoff <lars@nocrew.org>
2651 * config/mcore/mcore.h (MACHINE_DEPENDENT_SIMPLIFY): Remove.
2652 * config/mcore/mcore.c (mcore_dependent_simplify_rtx): Likewise.
2653 * config/mcore/mcore-protos.h (mcore_dependent_simplify_rtx):
2656 2001-08-23 Lars Brinkhoff <lars@nocrew.org>
2658 * genconstants.c, genpreds.c, libfuncs.h, optabs.h, rtl-error.h:
2659 replace "GNU CC" with "GCC".
2661 2001-08-23 Richard Henderson <rth@redhat.com>
2663 * config/ia64/ia64.c (ia64_register_move_cost): Add mode arguemnt.
2664 Reorganize. Handle ADDL like GR, add GR_AND_BR. Handle TFmode.
2665 (ia64_secondary_reload_class): Need GR between AR/BR and anything.
2666 Need GR between FR and not GR_AND_FR.
2667 * config/ia64/ia64-protos.h (ia64_register_move_cost): Update.
2668 * config/ia64/ia64.h (reg_class): Add GR_AND_BR_REGS, move
2669 AR regs before GR regs.
2670 (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update.
2671 (PREFERRED_RELOAD_CLASS): Tweak for reordered classes.
2672 (REGISTER_MOVE_COST): Update.
2673 (MEMORY_MOVE_COST): Add GR_AND_FR_REGS.
2675 2001-08-23 Richard Henderson <rth@redhat.com>
2677 * regclass.c (init_reg_sets_1): Don't assume cost 2 within
2680 2001-08-22 Geoffrey Keating <geoffk@redhat.com>
2682 * reload1.c (emit_reload_insns): Don't look for notes
2683 on a NULL store_insn.
2685 2001-08-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2687 * sparc.c (uns_small_int): Don't reference a constant >32-bit.
2688 (addrs_ok_for_ldd_peep): Fix signed/unsigned warning.
2689 (sparc_flat_function_prologue, sparc_flat_function_epilogue): Fix
2690 format specifier warnings.
2691 (sparc_sched_reorder): Mark parameter with ATTRIBUTE_UNUSED.
2693 2001-08-22 David Billinghurst <David.Billinghurst@riotinto.com>
2695 * config/i386/i386-protos.h: Correct declaration of
2696 i386_pe_asm_named_section.
2698 2001-08-22 John David Anglin <dave@hiauly1.hia.nrc.ca>
2700 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Add declaration for
2702 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
2704 2001-08-22 Neil Booth <neil@daikokuya.demon.co.uk>
2706 * cpperror.c (print_location): Don't show _Pragma.
2707 * cppfiles.c (_cpp_pop_file_buffer): Handle -include file pushing
2708 and file change callback generation here.
2709 (stack_include_file): Update use of cpp_push_buffer.
2710 * cpphash.h (_cpp_pop_file_buffer): Update prototype.
2711 (struct cpp_buffer): Remove type, pfile members.
2712 * cppinit.c (cpp_handle_option): Use free_chain.
2713 * cpplex.c (_cpp_lex_token): Don't do -include file pushing here.
2714 (skip_escaped_newlines, get_effective_char, lex_percent): Take
2715 a cpp_reader rather than a cpp_buffer.
2716 (skip_escaped_newlines, get_effective_char, skip_block_comment,
2717 skip_line_comment, parse_string, lex_percent, lex_dot,
2718 _cpp_lex_token): Update accordingly.
2719 * cpplib.c (_cpp_pop_buffer): Don't do file change callback
2721 (cpp_push_buffer): Update prototype.
2722 (run_directive): Update use of cpp_push_buffer.
2723 (_cpp_do__Pragma, cpp_define, cpp_define_builtin, cpp_undef,
2724 handle_assertion): Update use of run_directive.
2725 * cpplib.h (enum cpp_buffer_type): Remove.
2726 (cpp_push_buffer): Update prototype.
2727 * fix-header.c (read_scan_file): Update.
2729 2001-08-22 Matt Kraai <kraai@alumni.carnegiemellon.edu>
2731 * gcc.c (struct prefix_list): Change prefix to const char *.
2733 2001-08-22 Matt Kraai <kraai@alumni.carnegiemellon.edu>
2735 * final.c (final_scan_insn): Call ADDR_VEC_ALIGN on next insn.
2737 2001-08-22 Jason Merrill <jason_merrill@redhat.com>
2739 * explow.c (set_mem_attributes): Avoid returning a bogus alias set
2742 * jump.c (squeeze_notes): Take parms by reference. Handle END being
2745 * ifcvt.c (dead_or_predicable): Adjust.
2746 * loop.c (find_and_verify_loops): Adjust.
2747 * stmt.c (expand_end_case): Adjust.
2748 * flow.c (merge_blocks_move_successor_nojumps): Adjust. Modify the
2749 head and end insn pointers in the basic block, not just local copies.
2750 (merge_blocks_move_predecessor_nojumps): Likewise.
2752 2001-08-22 Lars Brinkhoff <lars@nocrew.org>
2754 * Makefile.in, alias.c, basic-block.h, bb-reorder.c, bitmap.c,
2755 bitmap.h, builtin-types.def, builtins.c, builtins.def,
2756 c-aux-info.c, c-common.c, c-common.def, c-common.h,
2757 c-convert.c, c-decl.c, c-dump.c, c-dump.h, c-errors.c,
2758 c-format.c, c-lang.c, c-lex.c, c-lex.h, c-parse.in,
2759 c-pragma.c, c-pragma.h, c-semantics.c, c-tree.h, c-typeck.c,
2760 caller-save.c, calls.c, collect2.c, collect2.h, combine.c,
2761 conditions.h, config.gcc, configure.frag, configure.in,
2762 conflict.c, convert.c, convert.h, cppspec.c, crtstuff.c,
2763 cse.c, cselib.c, cselib.h, dbxout.c, dbxout.h, defaults.h,
2764 dependence.c, df.c, df.h, diagnostic.c, diagnostic.h,
2765 doloop.c, dominance.c, dwarf.h, dwarf2.h, dwarf2asm.c,
2766 dwarf2asm.h, dwarf2out.c, dwarf2out.h, dwarfout.c,
2767 emit-rtl.c, errors.c, errors.h, except.c, except.h,
2768 exgettext, explow.c, expmed.c, expr.c, expr.h, final.c,
2769 fixproto, flags.h, flow.c, fold-const.c, fp-test.c,
2770 function.c, function.h, gbl-ctors.h, gcc.c, gcc.h, gcc.hlp,
2771 gccspec.c, gcov-io.h, gcse.c, genattr.c, genattrtab.c,
2772 gencheck.c, gencodes.c, genconfig.c, genemit.c,
2773 genextract.c, genflags.c, gengenrtl.c, genmultilib,
2774 genopinit.c, genoutput.c, genpeep.c, genrecog.c,
2775 gensupport.c, gensupport.h, ggc-callbacks.c, ggc-common.c,
2776 ggc-none.c, ggc-page.c, ggc-simple.c, ggc.h, global.c,
2777 graph.c, graph.h, gthr-aix.h, gthr-dce.h, gthr-posix.h,
2778 gthr-rtems.h, gthr-single.h, gthr-solaris.h, gthr-vxworks.h,
2779 gthr-win32.h, gthr.h, haifa-sched.c, halfpic.c, halfpic.h,
2780 hard-reg-set.h, hwint.h, ifcvt.c, input.h, insn-addr.h,
2781 integrate.c, integrate.h, jump.c, lcm.c, libgcc2.c,
2782 libgcc2.h, lists.c, local-alloc.c, loop.c, loop.h,
2783 machmode.def, machmode.h, main.c, mbchar.c, mbchar.h,
2784 mips-tdump.c, mips-tfile.c, mklibgcc.in, mkmap-flat.awk,
2785 mkmap-symver.awk, optabs.c, output.h, params.c, params.def,
2786 params.h, predict.c, predict.def, predict.h, prefix.c,
2787 prefix.h, print-rtl.c, print-tree.c, profile.c, protoize.c,
2788 read-rtl.c, real.c, real.h, recog.c, recog.h, reg-stack.c,
2789 regclass.c, regmove.c, regrename.c, regs.h, reload.c,
2790 reload.h, reload1.c, reorg.c, resource.c, resource.h, rtl.c,
2791 rtl.def, rtl.h, rtlanal.c, sbitmap.c, sbitmap.h,
2792 sched-deps.c, sched-ebb.c, sched-int.h, sched-rgn.c,
2793 sched-vis.c, sdbout.c, sdbout.h, sibcall.c, simplify-rtx.c,
2794 ssa-ccp.c, ssa-dce.c, ssa.c, ssa.h, stmt.c, stor-layout.c,
2795 stringpool.c, system.h, timevar.c, timevar.def, timevar.h,
2796 tlink.c, toplev.c, toplev.h, tree.c, tree.def, tree.h,
2797 tsystem.h, unroll.c, unwind-dw2-fde.c, unwind-dw2-fde.h,
2798 unwind-dw2.c, unwind-pe.h, unwind-sjlj.c, unwind.h,
2799 unwind.inc, varasm.c, varray.c, varray.h, xcoffout.c,
2800 xcoffout.h: replace "GNU CC" with "GCC".
2802 2001-08-21 Richard Henderson <rth@redhat.com>
2804 * final.c (LABEL_ALIGN_AFTER_BARRIER): Default to no alignment.
2805 (final_scan_insn): Consider jump tables data even if we have no
2806 independant text section if !JUMP_TABLES_IN_TEXT_SECTION. Use
2808 * config/ia64/ia64.h (JUMP_TABLES_IN_TEXT_SECTION): Remove.
2809 (ASM_OUTPUT_CASE_END): Remove.
2810 (ASM_OUTPUT_ADDR_DIFF_ELT): Emit pc-relative references.
2811 * config/ia64/ia64.md (tablejump): Decode pc-relative references.
2812 * config/ia64/sysv4.h (ASM_OUTPUT_BEFORE_CASE_LABEL): Remove.
2814 2001-08-21 Richard Henderson <rth@redhat.com>
2816 * config/ia64/ia64.c (emit_all_insn_group_barriers): Flush state
2817 at barrier insns. Emit stop bits before barriers.
2819 * flow.c (flow_find_cross_jump): Don't consider unconditional
2820 return insns for commoning.
2822 * final.c (compute_alignments): Fix typo.
2824 * expmed.c (CODE_FOR_insv, gen_insv): Provide defaults.
2825 (CODE_FOR_extv, gen_extv, CODE_FOR_extzv, gen_extzv): Likewise.
2826 (store_bit_field): Use mode_for_extraction more places.
2827 (extract_bit_field): Likewise.
2829 2001-08-21 Zack Weinberg <zackw@panix.com>
2831 * caller-save.c: Don't include insn-codes.h.
2832 (reg_save_code, reg_restore_code): Make arrays of int.
2833 All uses updated to match.
2834 (insert_save, insert_restore): No need to initialize "code"
2835 variable upon declaration.
2836 * Makefile.in: update dependencies; fix typo in clean rule.
2838 2001-08-21 Richard Henderson <rth@redhat.com>
2840 * ifcvt.c (find_if_block): Allow join_bb as EXIT.
2841 (merge_if_block): Handle fallout from same.
2843 2001-08-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2845 * builtins.c (type_to_class): Fix typo in last change.
2847 2001-08-21 Richard Henderson <rth@redhat.com>
2849 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Don't emit '#' if
2850 ia64_asm_output_label.
2852 * config/ia64/crtbegin.asm (__do_global_dtors_aux): Use saved
2853 copy of gp while the real gp register contains garbage.
2855 2001-08-21 Zack Weinberg <zackw@panix.com>
2857 * expmed.c (mode_for_extraction): New function.
2858 (store_bit_field, extract_bit_field): Use it.
2859 * expr.h: Prototype it and provide an enum for its first argument.
2861 * combine.c, function.c, recog.c: Don't include insn-codes.h.
2862 Use mode_for_extraction rather than testing HAVE_insv/extv/extzv
2863 and digging through the insn_data tables.
2864 * Makefile.in: Update dependencies.
2866 2001-08-22 Neil Booth <neil@daikokuya.demon.co.uk>
2868 * cppfiles.c (stack_include_file): line-map.c now handles include
2870 (handle_missing_handler): Similarly.
2871 (_cpp_execute_include): Similarly.
2872 (_cpp_pop_file_buffer): Similarly.
2873 * cpphash.h (struct cpp_reader): Remove system_include_depth,
2874 buffer_stack_depth and include_depth.
2875 * cpplib.c (do_include_common): line-map.c now handles include depth.
2876 (cpp_push_buffer): Similarly.
2877 (_cpp_pop_buffer): Similarly.
2878 * cppmacro.c (builtin_macro): Update.
2879 * line-map.c (init_line_maps): Set depth.
2880 (add_line_map): Increment "used" earlier. Update and use the
2882 (trace_include): Use the include depth.
2883 * line-map.h (struct line_maps): New member depth.
2885 2001-08-21 Neil Booth <neil@daikokuya.demon.co.uk>
2887 * cppfiles.c (stack_include_file): Don't handle -H here.
2888 * cppinit.c (cpp_start_read): Set include tracing after
2889 cpp_post_options and after stacking the main file.
2890 * line-map.c (trace_include): New.
2891 (init_line_maps, add_line_map): Update.
2892 * line-map.h (struct line_maps): New member trace_includes.
2894 2001-08-21 Neil Booth <neil@daikokuya.demon.co.uk>
2896 * cppfiles.c (stack_include_file): Harmonize system headerness tests.
2897 * cppfiles.c (stack_include_file): Only stack a file if there
2898 is something to do. Return a boolean indicating whether a
2899 buffer was stacked or not.
2900 (_cpp_execute_include): Similarly.
2901 (_cpp_read_file): Similarly.
2902 * cpphash.h (_cpp_read_file, _cpp_execute_include): Update prototypes.
2904 2001-08-21 Sam Steingold <sds@gnu.org>
2906 * tradcpp.c (rescan): define obufp_before_macroname before RECACHE
2907 (RECACHE): keep obufp_before_macroname up to date
2909 2001-08-21 Zack Weinberg <zackw@panix.com>
2911 * stmt.c: Don't include insn-codes.h.
2912 (expand_end_case): Machine specific logic moved to expr.c.
2913 No need to worry about __builtin_classify_type.
2914 (check_for_full_enumeration_handling, emit_case_nodes):
2917 * builtins.o (expand_builtin_classify_type): Split up so code
2918 can be shared with fold_builtin_classify_type.
2919 (type_to_class, fold_builtin_classify_type): New functions.
2920 (fold_builtins): Handle __builtin_classify_type.
2922 * expr.c (do_tablejump): Now static.
2923 (case_values_threshold, try_casesi, try_tablejump): New;
2924 code mostly from stmt.c (expand_end_case).
2925 (expr.h): Update prototypes.
2927 * Makefile.in (stmt.o): Update dependencies.
2929 2001-08-21 Will Cohen <wcohen@redhat.com>
2931 * configure/alpha/alpha.h (CONDITIONAL_REGISTER_USAGE): Added local
2932 declaration of variable i.
2933 * configure/rs6000/rs6000.h (CONDITIONAL_REGISTER_USAGE): Added local
2934 declaration of variable i.
2936 2001-08-21 Richard Henderson <rth@redhat.com>
2938 * crtstuff.c: Fix thinko last change. Move list tails to start
2939 of CRT_END section. Tidy ifdefs.
2940 (__EH_FRAME_BEGIN__): Always static for ELF.
2941 (__do_global_ctors_1): Rename from __frame_dummy.
2942 * config/mips/iris6.h (LINK_SPEC): Update for __do_global_ctors_1
2943 name change; don't hide __EH_FRAME_BEGIN__.
2945 2001-08-21 Richard Henderson <rth@redhat.com>
2947 * gdbinit.in: Move break on exit after break on fancy_abort.
2949 * config/ia64/ia64.c (ia64_return_in_memory): True for variable
2952 2001-08-21 Neil Booth <neil@daikokuya.demon.co.uk>
2954 * cpphash.h (_cpp_push_next_buffer): New.
2955 * cppinit.c (do_includes): Remove.
2956 (push_include, free_chain, _cpp_push_next_buffer): New.
2957 (cpp_start_read): Use them to rework command line option handling.
2958 (cpp_handle_option): Combine handling of -include and -imacros.
2959 * cpplex.c (_cpp_lex_token): Push a new -include buffer if
2960 appropriate. Always insert missing \n at EOF.
2961 * cpplib.c (start_directive): Get the directive position right.
2962 * cppmain.c (cb_file_change): Always print the first line, unless
2965 2001-08-20 Andreas Jaeger <aj@suse.de>
2967 * profile.c (compute_branch_probabilities): Remove extra new-line
2969 * flow.c (verify_flow_info): Likewise.
2971 2001-08-20 Diego Novillo <dnovillo@redhat.com>
2973 * basic-block.h (basic_block): Add new field 'flags'.
2974 (BB_REACHABLE): Define.
2975 (expunge_block): Declare.
2976 * flow.c (ENTRY_BLOCK_PTR): Initialize field 'flags'.
2977 (EXIT_BLOCK_PTR): Ditto.
2978 (expunge_block): Remove static declaration.
2979 (cleanup_cfg): Clear bb->aux on every basic block.
2980 (find_unreachable_blocks): Set BB_REACHABLE bit in bb->flags when
2981 computing reachability.
2982 (delete_unreachable_blocks): Delete block b if b->flags has
2985 2001-08-20 Diego Novillo <dnovillo@redhat.com>
2987 * doc/invoke.texi: Replace references to -fdump-tree with -fdump-ast.
2989 2001-08-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2991 * sparc.c (sparc_variable_issue): Fix typo in last change.
2993 2001-08-20 Richard Henderson <rth@redhat.com>
2995 * varasm.c (assemble_integer): Document ppc-eabi -mrelocatable losage.
2997 2001-08-20 John David Anglin <dave@hiauly1.hia.nrc.ca>
2999 * pa.h (RETURN_IN_MEMORY): Improve comment.
3001 2001-08-20 Janis Johnson <janis187@us.ibm.com>
3003 * doc/invoke.texi (Profiling options): Clarify the interactions
3004 between -fprofile-arcs and -ftest-coverage, -fprofile-arcs.
3006 2001-08-20 Jeffrey Oldham <oldham@codesourcery.com>
3008 * crtstuff.c (__do_global_ctors): Fix typo in preprocessing
3011 2001-08-20 Matt Kraai <kraai@alumni.carnegiemellon.edu>
3013 * gcc.c (make_relative_prefix): Allocate a sufficiently large
3016 2001-08-20 Richard Henderson <rth@redhat.com>
3018 * final.c (end_final): Fix typo last change.
3020 2001-08-20 Neil Booth <neil@daikokuya.demon.co.uk>
3022 * cppinit.c (init_standard_includes): The returned buffer
3023 is already malloc-ed.
3024 * gcc.c (add_prefix): Similarly.
3025 * prefix.c (translate_name): Update to support clear buffer
3027 (update_path): Similarly. Be sure to free any newly allocated
3028 key. UPDATE_PATH_HOST_CANONICALIZE takes only one argument.
3030 * prefix.h (update_path): Update prototype and document.
3031 * config/i386/xm-djgpp.h (UPDATE_PATH_HOST_CANONICALIZE): Clean
3032 up and update to new buffer ownership rules.
3033 * doc/gcc.texi (UPDATE_PATH_HOST_CANONICALIZE): Update.
3035 Mon Aug 20 01:44:50 CEST 2001 Jan Hubicka <jh@suse.cz>
3037 * final.c (compute_alignments): New function.
3038 (init_insn_lengths): Do not care label_align.
3039 (LABEL_ALIGN_AFTER_BARRIER): Default to 1.
3040 (LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Default to 0.
3041 (JUMP_ALIGN, JUMP_ALIGN_MAX_SKIP): New.
3042 (shorted_branches): Realloc label_align array; do
3043 not call init_insn_lengths; Do not care about loop alignments.
3044 * output.h (compute_alignments): Declare.
3045 * toplev.c (rest_of_compilation): Call compute_alignments.
3046 * tm.texi (JUMP_ALIGN, JUMP_ALIGN_MAX_SKIP): Document.
3048 * predict.c (block_info_def): Add npredecesors, remove nvisited;
3049 change visited to tovisit.
3050 (propagate_freq): Use faster traversing algorithm.
3051 (estimate_loops_at_level, estimate_bb_frequencies): Change visited
3052 to tovisit; reverse meaning.
3054 * predict.c (struct block_info_def): Remove nvisited.
3055 (propagate_freq): Use EDGE_DFS_BACK to detect irreducible regions.
3056 (estimate_bb_frequencies): Call mark_dfs_back_edges.
3058 2001-08-19 Geoffrey Keating <geoffk@redhat.com>
3060 * doc/invoke.texi (MIPS Options): Document -mfused-madd.
3061 * config/mips/mips.h (MASK_NO_FUSED_MADD): New.
3062 (TARGET_FUSED_MADD): New.
3063 (TARGET_SWITCHES): Add -mfused-madd, -mno-fused-madd.
3064 * config/mips/mips.md: Add TARGET_FUSED_MADD as condition to
3065 the multiply-add instructions.
3067 2001-08-19 Richard Henderson <rth@redhat.com>
3069 * dwarf2asm.c (dw2_output_indirect_constant_1): The symbol ref
3070 is aligned to pointer size.
3072 2001-08-19 Richard Henderson <rth@redhat.com>
3074 * config/ia64/ia64.c (ia64_cycle_display): Only emit cycle
3075 display markers during final schedule.
3077 2001-08-19 Richard Henderson <rth@redhat.com>
3079 * function.c (gen_mem_addressof): Don't call get_alias_set if no decl.
3081 2001-08-19 Richard Henderson <rth@redhat.com>
3083 * config/ia64/ia64.h (STRIP_NAME_ENCODING): Handle @ and *
3085 (ASM_NAME_TO_STRING): Remove.
3086 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Handle @ and *
3087 in the same string. Remove support for expressions.
3089 2001-08-19 Richard Henderson <rth@redhat.com>
3091 * config/i386/i386.md (tablejump): Make an expander; handle
3092 pic relative addressing here.
3093 (tablejump_1): Rename from tablejump_pic.
3096 2001-08-19 Richard Henderson <rth@redhat.com>
3098 * regclass.c (fix_register): Fix typo.
3100 2001-08-18 Richard Henderson <rth@redhat.com>
3102 * config/ia64/unwind-ia64.c (UNW_REG_B0): New.
3103 (struct _Unwind_Context): Expand br_loc to hold it.
3104 (uw_frame_state_for): Handle leaf functions better.
3105 (uw_update_reg_address): Update for br_loc change.
3107 2001-08-18 Richard Henderson <rth@redhat.com>
3109 * crtstuff.c: Move list heads before code that uses them.
3110 (__JCR_LIST__): Remove initial null.
3111 (frame_dummy, __frame_dummy): Do java registration here ...
3112 (__do_global_ctors_aux): ... not here.
3114 * config/ia64/crtbegin.asm (dtor_ptr): Make gp-relative.
3115 (__do_global_dtors_aux): Update to match.
3116 (__JCR_LIST__, __do_jv_register_classes): New.
3118 * config/ia64/crtend.asm (__JCR_END__): New.
3119 (__do_global_ctors_aux): Use a GPREL64I reloc to __CTOR_END__
3120 instead of an indirect LTOFF22 reloc.
3122 2001-08-18 Richard Henderson <rth@redhat.com>
3124 * flow.c (mark_regs_live_at_end): Use regs_invalidated_by_call.
3125 * regclass.c (init_reg_sets_1): Fix typo.
3126 * config/ia64/ia64.c (ar_pfs_reg_operand): New.
3127 (ia64_expand_call): Pass ar.pfs to sibcall expanders.
3128 (ia64_compute_frame_size): Make ar.unat live when in use.
3129 (ia64_epilogue_uses): Reformat; do not check current_function_is_leaf
3130 for ar.pfs; remove ar.unat handling.
3131 * config/ia64/ia64.h (CALL_REALLY_USED_REGISTERS): ar.unat is
3133 (PREDICATE_CODES): Add ar_pfs_reg_operand.
3134 * config/ia64/ia64-protos.h: Update decls.
3135 * config/ia64/ia64.md (sibcall_nopic): Use ar.pfs.
3136 (sibcall_pic): Likewise.
3138 2001-08-18 Richard Henderson <rth@redhat.com>
3140 * config/ia64/ia64.c (ia64_sched_reorder2): Also skip past
3141 pred_rel_mutex when searching for insn_group_barrier.
3142 * config/ia64/ia64.md (cycle_display): Combine the expander
3145 * config/ia64/ia64.c (ia64_internal_sched_reorder): Emit stop
3146 bit before asm as needed.
3148 2001-08-18 Richard Henderson <rth@redhat.com>
3150 * timevar.def (TV_MACH_DEP): New.
3151 * toplev.c (rest_of_compilation): Use it.
3152 * config/ia64/ia64.c (ia64_reorg): Push to TV_SCHED2.
3154 2001-08-18 Zack Weinberg <zackw@panix.com>
3156 * unwind-dw2.c (execute_stack_op): Add default aborts to
3157 the inner switches to prevent warnings.
3159 2001-08-18 Richard Henderson <rth@redhat.com>
3161 * timevar.h (struct timevar_time_def): Change element type to float.
3162 (ticks_to_msec, clocks_to_msec): Likewise.
3163 (TICKS_TO_MSEC, CLOCKS_TO_MSEC): Rescale to seconds; use type float.
3164 (get_time): Likewise.
3165 (timevar_print): Adjust zero check and printing to match.
3167 2001-08-18 Zack Weinberg <zackw@panix.com>
3169 * doc/extend.texi, doc/gcc.texi, doc/install-old.texi,
3170 doc/invoke.texi, doc/md.texi, doc/rtl.texi, doc/include/gpl.texi:
3171 Eliminate overfull or underfull hboxes.
3173 2001-08-18 Zack Weinberg <zackw@panix.com>
3175 * cpperror.c: Use VA_OPEN/VA_CLOSE/VA_FIXEDARG throughout.
3177 2001-08-18 Zack Weinberg <zackw@panix.com>
3179 * haifa-sched.c: Convert to target hooks. Macros replaced
3180 are ISSUE_RATE, ADJUST_COST, ADJUST_PRIORITY, MD_SCHED_INIT,
3181 MD_SCHED_REORDER, MD_SCHED_REORDER2, MD_SCHED_VARIABLE_ISSUE,
3182 MD_SCHED_FINISH, and HAVE_cycle_display.
3183 * target-def.h (TARGET_SCHED_ADJUST_COST,
3184 TARGET_SCHED_ADJUST_PRIORITY, TARGET_SCHED_ISSUE_RATE,
3185 TARGET_SCHED_VARIABLE_ISSUE, TARGET_SCHED_INIT,
3186 TARGET_SCHED_FINISH, TARGET_SCHED_REORDER,
3187 TARGET_SCHED_REORDER2, TARGET_SCHED_CYCLE_DISPLAY):
3188 New hook #defines to be overridden.
3189 (TARGET_SCHED): Bring them all together.
3190 (TARGET_INITIALIZER): Update.
3191 * target.h: Don't forward declare struct rtx_def. Use 'rtx'
3192 instead of 'struct rtx_def *' throughout.
3193 (struct sched): New set of hooks for the scheduler.
3194 * Makefile.in (haifa-sched.o): Depend on target.h.
3195 * doc/tm.texi: Document the new scheduler hooks, together in
3196 their own section, instead of scattered around.
3197 Fix a bunch of underfull/overfull hboxes.
3199 * a29k.h, alpha.h, arm.h, c4x.h, convex.h, d30v.h, i386.h,
3200 ia64.h, m32r.h, m88k.h, mips.h, pa.h, rs6000.h, s390.h, sh.h,
3201 sparc.h: Don't define any of the old scheduler macros.
3203 * a29k.c, alpha.c, arm.c, c4x.c, convex.c, d30v.c, i386.c,
3204 ia64.c, m32r.c, m88k.c, mips.c, pa.c, rs6000.c, s390.c, sh.c,
3205 sparc.c: Create hook functions from code extracted from
3206 corresponding target header, or make existing hooks static, as
3207 appropriate. Set the appropriate entries in targetm.
3209 * alpha-protos.h, arm-protos.h, c4x-protos.h, d30v-protos.h,
3210 i386-protos.h, ia64-protos.h, m32r-protos.h, pa-protos.h,
3211 rs6000-protos.h, s390-protos.h, sparc-protos.h:
3212 Remove prototypes for functions which are now static.
3214 * d30v.h, d30v.c, m32r.h, m32r.c: Remove #ifdef HAIFA and
3215 related gunk; the Haifa scheduler is now the only choice.
3217 2001-08-18 Zack Weinberg <zackw@panix.com>
3219 * optabs.h (OTI_flodiv, flodiv_optab): Kill.
3220 * genopinit.c: Put floating point divide insns in sdiv_optab.
3221 * expr.c (expand_expr): Use sdiv_optab, not flodiv_optab.
3222 * config/gofast.h, config/c4x/c4x.h,
3223 config/ia64/hpux_longdouble.h, config/mips/mips.h,
3224 config/pa/long_double.h, config/rs6000/sysv4.h,
3225 config/sparc/sparc.h: Put floating point divide libcalls in sdiv_optab.
3226 * optabs.c (init_optab): Break into new_optab, init_optab, init_optabv.
3227 (init_optabs): Use init_optabv for overflow-trapping optabs.
3228 Don't init flodiv_optab. Give mov_optab, movstrict_optab, and
3229 cmp_optab RTX codes so have_insn_for can find them.
3231 * optabs.c (expand_simple_binop, expand_simple_unop,
3232 have_insn_for, gen_sub3_insn): New interfaces.
3233 * expr.h: Prototype new functions.
3234 (enum optab_methods): Move here from optabs.h.
3236 * builtins.c, combine.c, doloop.c, function.c, ifcvt.c,
3237 loop.c, profile.c, simplify-rtx.c, stmt.c, unroll.c:
3238 Use new functions instead of working directly with optabs.
3239 * doloop.c, ifcvt.c, loop.c, profile.c, simplify-rtx.c,
3240 unroll.c: Don't include optabs.h.
3241 * caller-save.c, combine.c, function.c, stmt.c: Just include
3242 insn-codes.h, not optabs.h.
3243 * Makefile.in: Update dependencies.
3245 * combine.c (make_compound_operation, simplify_comparison):
3246 Fix typos testing for this or that instruction.
3248 2001-08-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3250 * mklibgcc.in: Prefer LIB1ASMFUNCS over LIB2_DIVMOD_FUNCS when
3251 generating libgcc.a.
3253 2001-08-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3255 * except.c (TYPE_HASH): Delete.
3257 * objc/objc-act.c (HASHFUNCTION): Cast to size_t, not
3260 * tree.c (TYPE_HASH): Delete.
3262 * tree.h (TYPE_HASH): Define.
3264 2001-08-18 Graham Stott <grahams@redhat.com>
3266 * config/mips/mips.md (adddi3_internal_2+1): Remove contraints from
3268 (adddi3_internal_2+2): Likewise.
3269 (eh_set_lr_di+1): Likewise.
3271 2001-08-17 Richard Henderson <rth@redhat.com>
3273 * defaults.h (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
3274 UNALIGNED_DOUBLE_INT_ASM_OP, ASM_BYTE_OP): Move from ...
3275 * dwarf2asm.c: ... here.
3276 * dwarfout.c: Remove them.
3278 * varasm.c (assemble_integer): Add align parameter.
3279 (assemble_real, output_constant, output_constructor): Likewise.
3280 * output.h: Update decls.
3281 * dwarf2asm.c, final.c, varasm.c, config/darwin.c, config/nextstep.c,
3282 config/alpha/alpha.c, config/arm/arm.md, config/clipper/clipper.c,
3283 config/m88k/m88k.c, config/mcore/mcore.md, config/mips/mips.h,
3284 config/mips/mips.md, config/pa/pa.c, config/rs6000/rs6000.c,
3285 config/rs6000/rs6000.h, config/s390/s390.h, config/sh/sh.md:
3288 * final.c (end_final): Abort profile block generation if we
3289 havn't layed it out properly.
3290 * output.h (assemble_eh_integer): Remove stale decl.
3291 * varasm.c (assemble_zeros): Tidy; use assemble_integer.
3293 (assemble_integer): Handle unaligned data.
3294 (assemble_real): Abort on unaligned data.
3295 (output_constructor): Don't assume ASM_OUTPUT_ALIGN 0 does
3297 (default_dtor_section_asm_out_destructor): Use assemble_align.
3298 (default_named_section_asm_out_constructor): Likewise.
3299 (default_ctor_section_asm_out_constructor): Likewise.
3300 * config/darwin.c (machopic_asm_out_constructor): Likewise.
3301 (machopic_asm_out_destructor): Likewise.
3302 * config/nextstep.c (nextstep_asm_out_constructor): Likewise.
3303 (nextstep_asm_out_destructor): Likewise.
3304 * config/alpha/alpha.c (vms_asm_out_constructor): Likewise.
3305 (vms_asm_out_destructor): Likewise.
3307 2001-08-17 Richard Henderson <rth@redhat.com>
3309 * config/mips/iris6.h (TARGET_IRIX6): New.
3310 (current_section_name, current_section_flags): New.
3311 (ASM_OUTPUT_ALIGN, ASM_FILE_START, ASM_FILE_END): New.
3312 (MAX_OFILE_ALIGNMENT): New.
3313 (ASM_OUTPUT_ALIGNED_LOCAL): Use bss_section.
3314 * config/mips/mips.c (mips_make_temp_file, temp_filename): Remove.
3315 (copy_file_data): Split out from
3316 (mips_asm_file_end): ... here.
3317 (mips_asm_file_start): Remove extra .section directive. Use
3318 tmpfile instead of mips_make_temp_file.
3319 (mips_unique_section): Use const char * as needed for warnings.
3320 (iris6_asm_named_section_1): Renamed from iris6_asm_named_section;
3321 re-add align parameter.
3322 (iris6_asm_named_section): New.
3323 (iris_section_align_entry_eq, iris_section_align_entry_hash): New.
3324 (iris6_asm_output_align, iris6_section_align_1): New.
3325 (iris6_asm_file_start, iris6_asm_file_end): New.
3326 * config/mips/mips-protos.h: Update decls.
3328 2001-08-17 Janis Johnson <janis187@us.ibm.com>
3330 * doc/install.texi (Install GCC): Add links to build status pages.
3332 (Final install): Ditto; request updates for specific info
3334 2001-08-17 Neil Booth <neil@daikokuya.demon.co.uk>
3336 * cpperror.c (print_location): Don't take a file name; use the
3338 (_cpp_begin_message): Similarly.
3339 (cpp_ice, cpp_fatal, cpp_error, cpp_error_with_line, cpp_warning,
3340 cpp_warning_with_line, cpp_pedwarn, cpp_pedwarn_with_line): Update.
3341 (cpp_pedwarn_with_file_and_line): Remove.
3342 * cppfiles.c (stack_include_file): Update; set filename to stdin
3343 here when appropriate.
3344 * cpphash.h (struct cpp_buffer): Remove nominal_fname.
3345 (_cpp_begin_message): Don't take a file name.
3346 * cppinit.c: Add comment.
3347 * cpplex.c: Fix end-of-directive indicator.
3348 * cpplib.c: Don't include intl.h.
3349 (run_directive, do_diagnostic): Update.
3350 (do_line): Update to not use nominal_fname.
3351 (cpp_push_buffer): Don't take a filename.
3352 * cpplib.h (struct ht): Remove.
3353 (cpp_push_buffer): Don't take a filename.
3354 (cpp_pedwarn_with_file_and_line): Remove.
3355 * cppmacro.c (struct cpp_macro): Remove file.
3356 (builtin_macro): Update.
3357 (_cpp_create_definition): Update.
3358 * cppmain.c: Correct comment.
3359 * fix-header.c (read_scan_file): Update.
3361 2001-08-17 Kazu Hirata <kazu@hxi.com>
3363 * sbitmap.c: Fix comment formatting.
3364 * sched-deps.c: Likewise.
3365 * sibcall.c: Likewise.
3366 * simplify-rtx.c: Likewise.
3368 * ssa-ccp.c: Likewise.
3369 * stor-layout.c: Likewise.
3370 * timevar.c: Likewise.
3371 * toplev.c: Likewise.
3372 * unwind-dw2.c: Likewise.
3373 * unwind-dw2-fde.c: Likewise.
3374 * varasm.c: Likewise.
3376 2001-08-17 John David Anglin <dave@hiauly1.hia.nrc.ca>
3378 * pa.h (RETURN_IN_MEMORY): Return types with a size that is varable
3379 or larger than an integer in memory.
3381 2001-08-17 Zack Weinberg <zackw@panix.com>
3383 * system.h: Forward-declare struct rtx_def, struct rtvec_def,
3384 and union tree_node. Typedef rtx, rtvec, and tree. Fix comment.
3385 * rtl.h: Don't forward-declare union tree_node here. Don't
3386 typedef rtx or rtvec here. Change all uses of struct rtx_def *,
3387 struct rtvec_def *, or union tree_node * to use rtx, rtvec,
3388 and tree respectively.
3389 * tree.h: Don't forward-declare struct rtx_def here. Don't
3390 typedef tree here. Change all uses of struct rtx_def *,
3391 struct rtvec_def *, or union tree_node * to use rtx, rtvec,
3392 and tree respectively.
3394 2001-08-17 Richard Henderson <rth@redhat.com>
3396 * config/mips/elf.h, config/mips/elf64.h, config/mips/netbsd.h,
3397 config/mips/openbsd.h: Fix typos last change.
3399 2001-08-17 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3401 * doc/invoke.texi (Optimize Options): The default for
3402 -finline-limit is 600.
3404 2001-08-17 Richard Henderson <rth@redhat.com>
3406 * varasm.c (text_section): Allow TEXT_SECTION to override the
3407 printing of TEXT_SECTION_ASM_OP.
3408 * dwarf2out.c (TEXT_SECTION_NAME): Rename from TEXT_SECTION.
3409 (DATA_SECTION, BSS_SECTION): Remove.
3410 * dwarfout.c (TEXT_SECTION_NAME, DATA_SECTION_NAME, DATA1_SECTION_NAME,
3411 RODATA_SECTION_NAME, RODATA1_SECTION_NAME, BSS_SECTION_NAME):
3412 Rename from s/_NAME//.
3413 * config/mips/mips.h (TARGET_FILE_SWITCHING): Add !TARGET_MIPS16.
3414 (ASM_DECLARE_FUNCTION_NAME): Move file switching ...
3415 (TEXT_SECTION): ... here. New.
3416 * config/mips/elf.h (TEXT_SECTION): New; no file switching.
3417 * config/mips/elf64.h, config/mips/netbsd.h: Likewise.
3418 * config/mips/openbsd.h: Likewise.
3419 * config/mips/mips.c (mips_asm_file_start): Tidy file switching test.
3420 (mips_asm_file_end): Likewise test.
3421 (mips_output_function_epilogue): Likewise. Switch back to data
3422 section after emitting the function.
3424 * doc/tm.texi (Sections): Document TEXT_SECTION.
3426 2001-08-17 Richard Henderson <rth@redhat.com>
3428 * dwarf2out.c (dwarf2out_init): Don't emit .debug_loc label here.
3429 (dwarf2out_finish): Do it here. Emit .debug_loc before .debug_info.
3431 2001-08-17 Richard Henderson <rth@redhat.com>
3433 * varasm.c (assemble_variable): Don't overalign if DECL_USER_ALIGN.
3434 * crtstuff.c (__CTOR_LIST__, __DTOR_LIST__, __EH_FRAME_BEGIN__,
3435 __JCR_LIST__, __CTOR_END__, __DTOR_END__, __FRAME_END__,__JCR_END__):
3436 Add aligned attribute.
3438 2001-08-17 Andrew Haley <aph@cambridge.redhat.com>
3440 * config/sh/sh.md: Add modes to unspecs in first insn to match
3441 those in the second.
3443 * Makefile.in: Fix collect2 copy for Cygwin.
3445 Fri Aug 17 15:48:57 CEST 2001 Jan Hubicka <jh@suse.cz>
3447 Install the proper patch.
3448 * function.c (put_var_into_stack): Temporarily clear DECL_RTL.
3449 (assign_params): Avoid setting DECL_RTL to unfinished RTX.
3450 (expand_function_start): Likewise.
3451 * stmt.c (expand_decl): Likewise.
3452 * varasm.c (make_decl_rtx): Likewise.
3454 Fri Aug 17 15:41:35 CEST 2001 Jan Hubicka <jh@suse.cz>
3456 * final.c: Undo my previous accidental checkin.
3457 * output.h: Likewise.
3458 * tm.texi: Likewise.
3460 2001-08-16 Richard Henderson <rth@redhat.com>
3462 * varasm.c (named_section_flags): Remove align parameter.
3463 * varasm.c, dwarf2out.c: Update all callers.
3464 * output.h: Update prototypes.
3466 * target.h (target.asm_out.named_section): Remove align parameter.
3467 * varasm.c, config/a29k/a29k.c, config/alpha/alpha.c,
3468 config/arm/arm.c, config/c4x/c4x.c, config/h8300/h8300.c,
3469 config/i386/i386.c, config/i386/winnt.c, config/m68k/m68k.c,
3470 config/mcore/mcore.c, config/mips/mips.c, config/rs6000/rs6000.c,
3471 config/sh/sh.c, config/sparc/sparc.c: Update implementations to match.
3473 * varasm.c (in_named_entry_eq, in_named_entry_hash): New.
3474 (get_named_section_flags, set_named_section_flags): New.
3475 (named_section_flags): Use them.
3476 (named_section): Do decl vs section flags check here...
3477 (default_section_type_flags): ... not here.
3478 (init_varasm_once): Create in_named_htab.
3479 (resolve_unique_section): Mark reloc unused.
3481 2001-08-16 Richard Henderson <rth@redhat.com>
3483 * varasm.c (force_const_mem): Keep pool alignment in bits.
3484 (output_constant_pool): Use assemble_align.
3486 2001-08-16 Zack Weinberg <zackw@panix.com>
3488 * doc/tm.texi: Remove extra @table command.
3490 2001-08-16 Zack Weinberg <zackw@panix.com>
3492 * final.c (shorten_branches): Clear the end of the label_align
3493 array only if we made it larger. Break up messy expressions
3496 * diagnostic.c (internal_error): Check for error recursion
3497 before doing ICE suppression.
3499 * timevar.c: Timing variables now count in milliseconds.
3500 (init_timevar): Set up ticks_to_msec and clocks_to_msec here.
3501 (get_time): Not here.
3502 (timevar_print): Don't print any timer whose user, cpu, and
3503 wall times are all zero as displayed.
3504 * timevar.h: Update comment aboout units. Make timevar
3507 Thu Aug 16 17:39:45 CEST 2001 Jan Hubicka <jh@suse.cz>
3509 * function.c (put_var_into_stack): Temporarily clear DECL_RTL.
3510 (assign_params): Avoid setting DECL_RTL to unfinished RTX.
3511 (expand_function_start): Likewise.
3512 * stmt.c (expand_decl): Likewise.
3513 * varasm.c (make_decl_rtx): Likewise.
3515 2001-08-16 Jason Merrill <jason_merrill@redhat.com>
3517 * stor-layout.c (layout_decl): Don't set DECL_USER_ALIGN.
3518 (finalize_record_size): Don't set TYPE_USER_ALIGN.
3520 2001-08-16 Matt Kraai <kraai@alumni.carnegiemellon.edu>
3522 * config/i386/i386.c (ix86_init_mmx_sse_builtins): Remove unused
3525 2001-08-16 Andreas Jaeger <aj@suse.de>
3527 * config/s390/s390.c: Include "debug.h" for dwarf2out_do_frame
3530 Wed Aug 15 15:22:52 EDT 2001 John Wehle (john@feith.com)
3532 * rtl.h (only_sets_cc0_p): New prototype.
3533 * jump.c (sets_cc0_p): Handle INSN.
3534 (only_sets_cc0_p): New function.
3535 * flow.c (merge_blocks_nomove): Use only_sets_cc0_p.
3536 (tidy_fallthru_edge): Likewise.
3537 * integrate.c (copy_insn_list): Likewise.
3538 * unroll.c (unroll_loop): Likewise.
3539 (copy_loop_body): Likewise.
3541 2001-08-15 Jason Eckhardt <jle@redhat.com>
3543 * config/i960/i960.md (trap): Change "faulteq.t" to "faulte.t".
3545 Wed Aug 15 14:24:22 CEST 2001 Jan Hubicka <jh@suse.cz>
3547 * predict.c (struct block_info_def): Remove nvisited.
3548 (propagate_freq): Use EDGE_DFS_BACK to detect irreducible regions.
3549 (estimate_bb_frequencies): Call mark_dfs_back_edges.
3551 * i386.c (ix86_agi_depdendant): Lea causes AGI only on the Pentium
3552 (ix86_adjust_cost): Teach scheduler that latency to load operand can
3555 Wed Aug 15 12:41:32 CEST 2001 Jan Hubicka <jh@suse.cz>
3557 * predict.def: Update hitrates.
3559 2001-08-15 Richard Henderson <rth@redhat.com>
3561 * except.c (TYPE_HASH): Cast to size_t, not HOST_WIDE_INT.
3563 Tue Aug 14 17:30:59 2001 Jeffrey A Law (law@cygnus.com)
3565 * flow.c (commit_one_edge_insertion): Don't separate a LOOP_BEG
3566 note from its associated jump.
3568 2001-08-14 Ulrich Weigand <uweigand@de.ibm.com>
3570 * config/s390/linux64.h (CPP_PREDEFINES): Define __s390__
3571 also on 64-bit s390x targets.
3573 2001-08-14 Nick Clifton <nickc@cambridge.redhat.com>
3575 * config/arm/arm.c (arm_compute_initial_elimination_offset): New
3577 (arm_expand_prologue): Handled nested functions which take a
3578 variable argument list.
3579 * config/arm/arm.h (ARM_INITIAL_ELIMINATION_OFFSET): Replace
3580 macro with an invocation of
3581 arm_compute_initial_elimination_offset.
3582 * config/arm/arm-protos.h: Prototype
3583 arm_compute_initial_elimination_offset.
3585 2001-08-14 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3587 * doc/install.texi (Specific, avr): Fix markup.
3588 (Specific, c4x): Ditto.
3590 2001-08-14 Matt Kraai <kraai@alumni.carnegiemellon.edu>
3592 * predict.c (dump_prediction): Change `bool' parameter to `int'.
3594 2001-08-14 Gabriel Dos Reis <gdr@codesourcery.com>
3596 * Makefile.in (OBJS): Add rtl-error.o
3597 (rtl-error.o): New rule.
3598 (diagnostic.o): Adjust dependency.
3599 diagnostic.c (file_and_line_for_asm, diagnostic_for_asm,
3600 error_for_asm, _fatal_insn, _fatal_insn_not_found,
3601 warning_for_asm): Move to...
3602 rtl-error.c: ...here. New file.
3604 2001-08-14 Richard Henderson <rth@redhat.com>
3606 * dwarf2out.c (dwarf2out_frame_finish): Never emit .eh_frame
3607 if USING_SJLJ_EXCEPTIONS.
3609 2001-08-14 Steve Ellcey <sje@cup.hp.com>
3611 * tlink.c (scan_linker_output): Check string for unsatisfied in
3612 addition to undefined and unresolved.
3614 2001-08-14 Graham Stott <grahams@redhat.com>
3616 * libgcc2.c (*): Replace EH_FRAME_SECTION with
3617 EH_FRAME_SECTION_NAME.
3619 Tue Aug 14 14:57:07 CEST 2001 Jan Hubicka <jh@suse.cz>
3621 * genattrtab.c (simplify_test_exp_in_temp): New function.
3622 (simplify_test_exp): Avoid explicit use of temporary obstack.
3623 (simplify_cond, insert_right_side, evaluate_eq_attr,
3624 simplify_and_tree, simplify_or_tree, eliminate_known_true):
3625 Use simplify_test_exp_in_temp.
3626 (optimize_attrs): Iterate until expression stabilizes.
3628 2001-08-13 Ulrich Weigand <uweigand@de.ibm.com>:
3630 * glimits.h: Remove the __LONG_MAX__ special case for s390x.
3631 * config/s390/linux64.h: Define __LONG_MAX__ in CPP_PREDEFINES.
3633 2001-08-13 Richard Henderson <rth@redhat.com>
3635 * config/arm/unknown-elf.h (CTOR_LIST_BEGIN, CTOR_LIST_END): Remove.
3636 (DTOR_LIST_BEGIN, DTOR_LIST_END): Remove.
3637 * config/arm/conix-elf.h: Likewise.
3639 2001-08-13 Geoffrey Keating <geoffk@redhat.com>
3641 * config/svr4.h (LINK_SPEC): Don't do -Wl, here, it is done
3643 * config/rs6000/sysv4.h (LINK_SPEC): Likewise.
3645 * gcse.c (hash_scan_set): Expressions that are set as part of
3646 jump instructions are not available.
3648 2001-08-13 Ulrich Weigand <uweigand@de.ibm.com>
3650 * config/s390/s390.c (print_operand, s390_function_prologue,
3651 s390_va_start): Fixed HOST_WIDE_INT type mismatch.
3653 2001-08-13 Richard Henderson <rth@redhat.com>
3655 * config/rs6000/xcoff.h (EH_FRAME_IN_DATA_SECTION): New.
3656 * defaults.h (EH_FRAME_SECTION_NAME): Respect it.
3657 * doc/tm.texi (Exception Region Output): Document it.
3659 2001-08-13 Geoffrey Keating <geoffk@redhat.com>
3661 * config/rs6000/sysv4.h (PREFERRED_DEBUGGING_TYPE): Use
3662 DWARF2 instead of stabs by default.
3664 2001-08-13 David Edelsohn <edelsohn@gnu.org>
3666 * config/rs6000/rs6000.c: Include optabs.h.
3668 2001-08-13 David Edelsohn <edelsohn@gnu.org>
3670 * config/rs6000/eabi.asm: Define 64-bit versions of FPR
3671 save/restore routines.
3672 * ginclude/ppc-asm.h: Define 64-bit FUNC_* macros.
3674 2001-08-13 Andreas Jaeger <aj@suse.de>
3676 * gcc.c (init_spec): Revert last patch by Theodore Papadopoulo,
3677 the english is correct.
3679 2001-08-13 Zack Weinberg <zackw@panix.com>
3681 * expr.h: Split out optab- and libfunc-related code to...
3682 * optabs.h, libfuncs.h: ... these new headers.
3684 * Makefile.in (CONFIG_H, EXPR_H): Take out insn-codes.h.
3686 (various .o rules): Add $(OPTABS_H) and/or libfuncs.h to
3688 * mkconfig.sh: Don't include insn-codes.h from config.h.
3690 * reload.h: Use #ifdef GCC_INSN_CODES_H to decide whether
3691 enum insn_code is available. Move reload_in_optab and
3692 reload_out_optab array declarations to optabs.h.
3693 * regmove.c (gen_add3_insn): Move to optabs.c, export from
3694 there, prototype in expr.h.
3695 * gencodes.c: Cleanup: zap global variables, don't use
3696 printf where puts will do, don't bother defining MAX_INSN_CODE
3697 which nothing uses, let CODE_FOR_nothing get its value implicitly.
3699 * genemit.c, genopinit.c: Include optabs.h in generated file.
3700 * genoutput.c: Include insn-codes.h in generated file.
3701 * builtins.c, caller-save.c, combine.c, doloop.c, explow.c,
3702 expmed.c, expr.c, function.c, ifcvt.c, loop.c, optabs.c, profile.c,
3703 reload1.c, simplify-rtx.c, stmt.c, unroll.c, config/alpha/alpha.c,
3704 config/arm/arm.c, config/c4x/c4x.c, config/clipper/clipper.c,
3705 config/i386/i386.c, config/ia64/ia64.c, config/mn10300/mn10300.c,
3706 config/pj/pj.c, config/sh/sh.c, config/sparc/sparc.c:
3708 * builtins.c, calls.c, dwarf2out.c, except.c, expr.c, function.c,
3709 optabs.c, stmt.c, config/c4x/c4x.c, config/clipper/clipper.c,
3710 config/m88k/m88k.c, config/sparc/sparc.c:
3712 * reload.c: Include expr.h and optabs.h before reload.h.
3713 * config/alpha/alpha.c: Include tree.h before reload.h.
3714 * config/pa/pa.c: Include expr.h, optabs.h, libfuncs.h,
3715 and reload.h in that order.
3716 * config/sparc/sparc.c: Include debug.h.
3717 * recog.c: Include insn-codes.h.
3719 2001-08-13 Andreas Jaeger <aj@suse.de>
3721 * config.gcc: Use t-slibgcc-elf to build shared libgcc_s on
3724 2000-08-13 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
3726 * dwarf2out.c (output_cfa_loc): Fix typo in comment.
3727 * gcc.c (init_spec): Fix typo in comment.
3728 * varasm.c (data_section): Fix typo in comment.
3730 Mon Aug 13 02:27:39 CEST 2001 Jan Hubicka <jh@suse.cz>
3732 * predict.c (dump_prediction): New argument "USED".
3733 (combine_predictions_for_insn): Determine the used heuristics,
3734 output the case no heuristic applied.
3735 * predict.def (PRED_DS_THEORY, PRED_NO_HEURISTIC): New.
3737 2001-08-13 Andreas Jaeger <aj@suse.de>
3739 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Don't capitalize
3742 2001-08-13 Kazu Hirata <kazu@hxi.com>
3744 * jump.c: Fix formatting.
3746 2001-08-13 Kazu Hirata <kazu@hxi.com>
3748 * config/h8300/h8300.md (zero_extendqihi2): Correct the insn
3751 2001-08-12 Geoffrey Keating <geoffk@redhat.com>
3753 * loop.c (check_dbra_loop): Use condjump_label to compute
3756 * rtl.h: Move prototypes of rtx_alloc and rtvec_alloc around
3757 to better document the files they're in.
3759 2001-08-12 Zack Weinberg <zackw@panix.com>
3761 * recog.h (struct insn_operand_data): Shrink 'mode' field
3764 2001-08-12 Kazu Hirata <kazu@hxi.com>
3766 * gcc.c: Fix comment formatting.
3767 * gccspec.c: Likewise.
3770 * genemit.c: Likewise.
3771 * gengenrtl.c: Likewise.
3772 * genrecog.c: Likewise.
3773 * gensupport.c: Likewise.
3774 * ggc-page.c: Likewise.
3775 * global.c: Likewise.
3776 * graph.c: Likewise.
3777 * ifcvt.c: Likewise.
3778 * integrate.c: Likewise.
3780 * libgcc2.c: Likewise.
3782 * mbchar.c: Likewise.
3783 * optabs.c: Likewise.
3784 * predict.c: Likewise.
3785 * prefix.c: Likewise.
3786 * profile.c: Likewise.
3787 * protoize.c: Likewise.
3789 * recog.c: Likewise.
3790 * regclass.c: Likewise.
3791 * regmove.c: Likewise.
3792 * reg-stack.c: Likewise.
3793 * reload1.c: Likewise.
3794 * resource.c: Likewise.
3795 * rtlanal.c: Likewise.
3798 2001-08-12 Kazu Hirata <kazu@hxi.com>
3800 * doc/tm.texi (ENCODE_SECTION_INFO): Add documentation on how
3801 a tree representing a constant is passed to the macro.
3803 2001-08-12 Richard Henderson <rth@redhat.com>
3805 * config/rs6000/rs6000.c (rs6000_elf_asm_out_constructor): New.
3806 (rs6000_elf_asm_out_destructor): New.
3807 * config/rs6000/sysv4.h (CTORS_SECTION_ASM_OP): Remove.
3808 (DTORS_SECTION_ASM_OP): Remove.
3809 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
3810 (ASM_OUTPUT_INT): Don't hack TARGET_RELOCATABLE for constructors.
3812 2001-08-12 David Edelsohn <edelsohn@gnu.org>
3815 2001-08-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3816 * gcc.c (set_collect_gcc_options): New function, split out from
3818 Ignore elided switches.
3819 (do_spec_1): Invoke before executing command.
3820 (set_input): Export.
3821 Move declaration ...
3822 * gcc.h (set_input): ... here.
3823 * config/alpha/osf.h (ASM_FINAL_SPEC): Use %U.s to refer to input
3826 2001-08-12 Richard Henderson <rth@redhat.com>
3828 * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): Fix
3829 thinko wrt TARGET_RELOCATABLE.
3831 2001-08-12 Neil Booth <neil@daikokuya.demon.co.uk>
3833 * fix-header.c (cb_file_change): Update prototype.
3835 2001-08-11 Zack Weinberg <zackw@panix.com>
3837 * toplev.c (set_float_handler): Make static.
3838 * toplev.h: Don't prototype set_float_handler.
3840 * simplify-rtx.c: Don't include setjmp.h.
3841 (simplify_unary_real, simplify_binary_real, simplify_binary_is2orm1):
3843 (simplify_unary_operation, simplify_binary_operation): Use them,
3844 via do_float_handler.
3846 * fold-const.c: Don't include setjmp.h.
3847 (exact_real_inverse_1): New function.
3848 (exact_real_inverse): Use it, via do_float_handler.
3850 * varasm.c: Don't include setjmp.h.
3851 (assemble_real_1): New function.
3852 (assemble_real): Use it, via do_float_handler.
3853 Call internal_error if we get a trap here.
3855 * c-parse.in, cse.c, cselib.c, config/i386/i386.c,
3856 config/pj/pj.c, config/s390/s390.c: Don't include setjmp.h.
3858 2001-08-11 Zack Weinberg <zackw@panix.com>
3860 * defaults.h: Define PREFERRED_STACK_BOUNDARY to
3861 STACK_BOUNDARY if not already defined.
3863 * calls.c, function.c, reload1.c, explow.c: Don't default
3864 PREFERRED_STACK_BOUNDARY. Remove all #if/#ifdef on
3865 PREFERRRED_STACK_BOUNDARY and/or STACK_BOUNDARY.
3867 * explow.c (allocate_dynamic_stack_space): Change unsafe #if
3870 * doc/tm.texi: Document that STACK_BOUNDARY is required;
3871 clarify difference between it and PREFERRED_STACK_BOUNDARY.
3873 2001-08-11 Neil Booth <neil@daikokuya.demon.co.uk>
3875 * cppmacro.c (enter_macro_context): Push macro expansions even
3878 2001-08-11 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3880 * config/rs6000/rs6000.c: Include integrate.h to silence warning.
3881 (rs6000_elf_section_type_flags): Actually return a value.
3883 2001-08-11 Ulrich Weigand <uweigand@de.ibm.com>
3885 * s390.c, s390.h, s390.md, s390-protos.h, linux.h, t-linux:
3886 Clean up code: add missing comments and prototypes, fix warnings,
3887 remove obsolete code, fix spacing to conform to coding style.
3889 2001-08-11 Ulrich Weigand <uweigand@de.ibm.com>
3891 * config/s390/s390.c (targetm): Define TARGET_ASM_OPEN_PAREN
3892 and TARGET_ASM_CLOSE_PAREN.
3893 (regclass_map): CC register belongs to class NO_REGS.
3894 (legitimize_pic_address): Don't generate unnecessary moves
3895 (to avoid confusing loop optimization).
3896 (check_and_change_labels): Replace jump_long by indirect_jump.
3897 (s390_final_chunkify): Don't start a new literal pool on section
3898 switch in 64-bit code.
3899 (s390_va_start, s390_va_arg): Fixed incorrect sizes for 64-bit.
3901 * config/s390/s390.h (TARGET_SWITCHES): Renamed debug_arg to debug.
3902 (MAX_BITS_PER_WORD, MAX_LONG_TYPE_SIZE): Set to 64 (for 64-bit).
3903 (HARD_REGNO_MODE_OK, RETURN_IN_MEMORY): Support complex integer
3905 (reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Remove CC_REGS.
3906 (EH_RETURN_HANDLER_RTX): Fixed incorrect offset for 64-bit.
3907 (CONST_COSTS): Fixed incorrect costs.
3909 * config/s390/s390.md (fixuns_trunc[sd]f[sd]i2, udivsi3, umodsi3):
3910 Use emit_jump instead of emit_jump_insn (gen_jump).
3911 (divsi3, modsi3): Clobber low word of divmoddisi3 before shifting
3912 (to avoid confusing flow analysis).
3913 (tablejump, tablejump1, tablejump2): Removed. Replaced by casesi.
3914 (casesi, casesi_jump): New.
3915 (jump_long): Removed. Functionality merged into indirect_jump.
3916 (indirect_jump): Accept address_operand, not just register_operand.
3917 (cjump_long, icjump_long): Use same logic as indirect_jump.
3918 (builtin_setjmp_setup, builtin_setjmp_receiver, builtin_longjmp):
3919 Fixed broken setjmp/longjmp handling.
3920 (do_builtin_setjmp_setup): Removed.
3922 * config/s390/linux.h (ASM_OUTPUT_DOUBLE_INT): Work around
3923 broken GNU as versions that don't accept .quad with large
3924 negative values. Use hexadecimal output instead.
3925 (ASM_OUTPUT_ADDR_DIFF_ELT): Adapt to new casesi insn.
3926 (ASM_OPEN_PAREN, ASM_CLOSE_PAREN, FUNCTION_PROLOGUE,
3927 FUNCTION_EPILOGUE): Removed. Now in targetm.
3929 * config/s390/linux64.h (CALL_USED_REGISTERS): Add CC register.
3931 * config/s390/fixdfdi.h: Add missing copyright statement.
3932 Fix type conflicts on 64-bit. Add missing SFmode routines.
3934 * s390.c, s390.h, s390.md, linux.h, linux64.h: Fixed incorrect
3937 2001-08-11 Richard Henderson <rth@redhat.com>
3939 * rtl.h (REG_EH_RETHROW): Remove.
3940 * rtl.c (reg_note_name): Update.
3941 * combine.c (distribute_notes): Don't check for it.
3943 2001-08-11 Richard Henderson <rth@redhat.com>
3945 * combine.c (distribute_notes): Place REG_SETJMP.
3947 2001-08-11 Richard Henderson <rth@redhat.com>
3949 * doc/extend.texi (Arrays and pointers implementation): Discourage
3950 relying on sign-extension of pointers.
3952 2001-08-11 H.J. Lu <hjl@gnu.org>
3954 * config/mips/linux.h (EXTRA_SECTIONS): Remove in_ctors and
3956 (EXTRA_SECTION_FUNCTIONS): Remove DTORS_SECTION_ASM_OP and
3957 RDATA_SECTION_ASM_OP.
3959 2001-08-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3961 * doc/install.texi (Specific, c4x): Fix cross-reference to the
3962 main manual to work both for info and HTML versions.
3964 2001-08-11 Neil Booth <neil@daikokuya.demon.co.uk>
3965 Matt Kraai <kraai@alumni.carnegiemellon.edu>
3967 * cpphash.c (_cpp_destroy_hashtable): Use ht_destroy.
3968 * cpphash.h (CPP_IN_SYSTEM_HEADER): Fix.
3969 (struct cpp_pool): New member first.
3970 * cppinit.c (append_include_chain): Plug memory leaks.
3971 * cpplib.c (cpp_register_pragma, cpp_register_pragma_space):
3972 Allocate pragma structures from the (aligned) macro pool to
3973 avoid leaking memory.
3974 * cpplex.c (_cpp_init_pool, _cpp_free_pool): Use pool->first
3975 so we don't leak memory.
3976 * hashtable.c (ht_destroy): New.
3977 * hashtable.h (ht_destroy): New.
3979 2001-08-11 Neil Booth <neil@daikokuya.demon.co.uk>
3980 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3982 * c-lex.c (map): Make const.
3983 (cb_file_change): Update for callback passing a line map.
3984 Don't assume we have a previous map. Remove sanity check
3985 about popping too many files.
3986 * cpperror.c (print_location): Make map const.
3987 * cppfiles.c (stack_include_file): Update; line maps now hold sysp.
3988 (cpp_make_system_header): Similarly.
3989 (search_from): Similarly.
3990 (_cpp_execute_include): Don't remember where we came from.
3991 * cpphash.h (struct cpp_buffer): Remove return_to_line, sysp.
3992 (struct cpp_reader): Make map const.
3993 (CPP_IN_SYSTEM_HEADER, _cpp_do_file_change): Update.
3994 * cpplib.c (do_line): Update; line maps now hold sysp.
3995 (cpp_push_buffer): Similarly.
3996 (_cpp_do_file_change): Similarly; callback with map instead.
3997 (cpp_get_line_maps): Constify return value.
3998 (_cpp_pop_buffer): Update.
3999 * cpplib.h (struct cpp_file_change): Remove.
4000 (struct cpp_callbacks): Update.
4001 (cpp_get_line_maps): Constify return value.
4002 * cppmacro.c (_cpp_create_definition): Update.
4003 * cppmain.c (struct printer): Constify map.
4004 (maybe_print_line): Similarly.
4005 (print_line): Similarly. Deduce flags 1 and 2 here.
4006 (cb_file_change): Update.
4007 * line-map.c (free_line_maps): Warn regardless.
4008 (add_line_map): Return pointer to const. When passed NULL to_file
4009 with LC_LEAVE, use the obvious values for the return point so the
4010 caller doesn't have to figure them out.
4011 (lookup_line): Return pointer to const.
4012 (print_containing_files): Take pointer to const.
4013 * line-map.h (struct line_map): New members reason, sysp.
4014 (add_line_map): Return pointer to const.
4015 (lookup_line): Similarly.
4016 (print_containing_files): Take pointer to const.
4018 2001-08-10 Roman Zippel <zippel@linux-m68k.org>
4019 Richard Henderson <rth@redhat.com>
4021 * regmove.c (regmove_optimize): Avoid setting a register twice in
4024 2001-08-10 Richard Henderson <rth@redhat.com>
4026 * doc/extend.texi (Arrays and pointers implementation): Document
4027 behavior of pointer/integer conversion.
4029 2001-08-10 Ulrich Weigand <uweigand@de.ibm.com>
4031 * glimits.h (__LONG_MAX__): Add s390x as 64-bit architecture.
4033 2001-08-10 Richard Henderson <rth@redhat.com>
4035 * doc/extend.texi (C Implementation): New chapter.
4036 * doc/gcc.texi (Top): Link it in.
4038 2001-08-10 Andrew Cagney <ac131313@redhat.com>
4040 * doc/install.texi (Specific): Fix CVS merge botch.
4042 2001-08-10 Richard Henderson <rth@redhat.com>
4044 * config/m68k/m68k.c (m68k_svr3_asm_out_constructor): Protect with
4045 ifdef CTOR_LIST_BEGIN instead of INIT_SECTION_ASM_OP.
4047 2001-08-10 Zack Weinberg <zackw@stanford.edu>
4049 * calls.c, function.c: Always define PREFERRED_STACK_BOUNDARY
4050 if not already defined. Remove all #ifdefs on STACK_BOUNDARY;
4051 this macro is now required.
4053 * cselib.c (cselib_process_insn), flow.c (propagate_block),
4054 loop.c (find_and_verify_loops), reload.c (reload): Check
4055 for rtx code of CALL_INSN, not CALL, when deciding if we
4056 need to check for REG_SETJMP note.
4058 * gcse.c (compute_hash_table, compute_store_table): Update
4059 the #ifdef NON_SAVING_SETJMP code to the new REG_SETJMP
4062 * config/avr/avr.c: Fix typo.
4063 * config/convex/convex.c (expand_movstr): Use adjust_address.
4064 * config/dsp16xx/dsp16xx.c: Define dsp16xx_compare_gen
4066 * config/dsp16xx/dsp16xx.md: Correct calls to replace_equiv_address.
4067 * config/elxsi/elxsi.c: Include tree.h, expr.h, regs.h, and flags.h.
4069 * config/elxsi/elxsi.h: Don't define Rmode (typo for Pmode?)
4070 Do define STACK_BOUNDARY.
4071 * config/i370/i370.c: Include expr.h.
4072 * config/i860/sysv3.h, config/i860/sysv4.h, config/m32r/m32r.h,
4073 config/pa/som.h, config/v850/v850.h: Take in_ctors and
4074 in_dtors out of EXTRA_SECTIONS; take CTORS_SECTION_FUNCTION
4075 and DTORS_SECTION_FUNCTION out of EXTRA_SECTION_FUNCTIONS.
4076 * config/m88k/m88k.c: Include c-tree.h after expr.h.
4077 * config/pdp11/pdp11.c: Include expr.h and toplev.h.
4078 * config/romp/romp.c: Include expr.h after tree.h.
4080 (output_fpop): Use xmalloc, not oballoc.
4081 * config/we32k/we32k.c: Include expr.h.
4083 2001-08-10 Kazu Hirata <kazu@hxi.com>
4085 * config/h8300/h8300.h: Fix formatting.
4087 2001-08-08 Jason Merrill <jason_merrill@redhat.com>
4089 * c-common.h (RETURN_NULLIFIED_P): Lose.
4090 * c-semantics.c (genrtl_return_stmt): Don't check it.
4092 2001-08-10 Richard Sandiford <rsandifo@redhat.com>
4094 * config/mips/mips.c (mips_add_large_offset_to_sp): New function.
4095 (mips_annotate_frame_insn): New function.
4096 (mips_emit_frame_related_store): New function.
4097 (save_restore_insns): Don't mark instructions that set up the base
4098 registers as frame-related. Add REG_FRAME_RELATED_EXPR notes to
4099 the store instructions instead.
4100 (mips_expand_prologue): If the stack size is moved into a temporary
4101 register, do not mark that move as frame-related. Add a
4102 REG_FRAME_RELATED_EXPR note to the stack adjustment instruction.
4104 2001-08-10 Richard Sandiford <rsandifo@redhat.com>
4106 * config/mips/mips.c (save_restore_insns): Don't mark the RA's
4107 stack slot as unchanging if current_function_calls_eh_return.
4109 2001-08-10 Richard Sandiford <rsandifo@redhat.com>
4111 * config/mips/mips.md (reload_incc): Use HARD_REGNO_NREGS to
4112 access the second half of the TFmode scratch operand.
4114 2001-08-10 Anthony Green <green@redhat.com>
4116 * java/class.c (emit_register_classes): Conditionalize code on
4119 2001-08-10 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4121 * doc/install.texi (Specific, avr): Fix cross-reference to the
4122 main manual to work both for info and HTML versions.
4124 2001-08-09 John David Anglin <dave@hiauly1.hia.nrc.ca>
4126 * stmt.c (expand_null_return_1): Remove code to generate simple returns
4127 and "use_goto" argument.
4128 (expand_null_return, expand_value_return): Update all callers.
4129 * function.c (expand_function_end): Remove code to generate simple
4131 * config/vax/vax.md (epilogue): New expander for function return.
4132 * doc/md.texi (epilogue): Remove "if defined".
4134 2001-08-09 Zack Weinberg <zackw@stanford.edu>
4136 * Makefile.in: Partially revert my previous change:
4137 put -DGENERATOR_FILE back in HOST_CFLAGS, take it out
4138 of the hashtab.o and safe-ctype.o rules.
4140 2001-08-09 Richard Henderson <rth@redhat.com>
4142 * Makefile.in (MAYBE_USE_COLLECT2): Remove; purge all uses.
4143 (USE_COLLECT2): Remove duplicate definition.
4144 * config.gcc (a29k-udi, a29k-wrs-vxworks) [tm_file]: Remove a29k/udi.h.
4145 (use_collect2): Remove dead code.
4146 * configure.in (use_collect2): Remove will_use_collect2 and
4147 maybe_use_collect2; add USE_COLLECT2 to host_xm_defines and xm_defines.
4148 * configure: Rebuild.
4150 * target.h (targetm.asm_out.constructor): New.
4151 (targetm.asm_out.destructor, targetm.have_ctors_dtors): New.
4152 * target-def.h (TARGET_ASM_CONSTRUCTOR): New.
4153 (TARGET_ASM_DESTRUCTOR, TARGET_HAVE_CTORS_DTORS): New.
4154 * varasm.c (in_ctors, in_dtors): New.
4155 (assemble_constructor, assemble_destructor): Remove.
4156 (default_stabs_asm_out_destructor): New.
4157 (default_named_section_asm_out_destructor): New.
4158 (dtors_section, default_dtor_section_asm_out_destructor): New.
4159 (default_stabs_asm_out_constructor): New.
4160 (default_named_section_asm_out_constructor): New.
4161 (ctors_section, default_ctor_section_asm_out_constructor): New.
4162 * output.h: Update declarations.
4163 * c-decl.c (c_expand_body): Use target hooks instead of
4164 assemble_constructor and assemble_destructor.
4165 * profile.c (output_func_start_profiler): Likewise.
4166 * objc/objc-act.c (finish_objc): Likewise.
4167 (build_module_descriptor): Tidy. Set TREE_PUBLIC properly
4168 for the constructor.
4169 * objc/Make-lang.in (objc-act.o): Depend on TARGET_H.
4171 * crtstuff.c (CTORS_SECTION_ASM_OP): Don't define.
4172 (DTORS_SECTION_ASM_OP): Likewise.
4173 (__CTOR_LIST__): Use attribute section when possible.
4174 (__DTOR_LIST__, __CTOR_END__, __DTOR_END__): Likewise.
4176 * defaults.h (EH_FRAME_SECTION_NAME): Don't depend on
4177 ASM_OUTPUT_CONSTRUCTOR.
4179 * config/darwin.c (machopic_asm_out_constructor): New.
4180 (machopic_asm_out_destructor): New.
4181 * config/darwin-protos.h: Update declarations.
4182 * config/darwin.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
4183 (ASM_OUTPUT_DESTRUCTOR): Remove.
4184 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
4185 * config/nextstep.c (nextstep_asm_out_constructor): New.
4186 (nextstep_asm_out_destructor): New.
4187 * config/nextstep.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
4188 (ASM_OUTPUT_DESTRUCTOR): Remove.
4189 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
4190 * config/nextstep21.h: Undef TARGET_ASM_*STRUCTOR instead of
4191 ASM_OUTPUT_*STRUCTOR.
4192 * config/i386/aix386ng.h: Likewise.
4194 * config/elfos.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP): Remove.
4195 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): No ctors/dtors.
4196 (CTORS_SECTION_FUNCTION, DTORS_SECTION_FUNCTION): Remove.
4197 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
4198 * config/lynx.h: Likewise.
4199 * config/netware.h: Likewise.
4200 * config/psos.h: Likewise.
4201 * config/alpha/alpha-interix.h: Likewise.
4202 * config/alpha/elf.h: Likewise.
4203 * config/arc/arc.h: Likewise.
4204 * config/arm/aof.h: Likewise.
4205 * config/arm/coff.h: Likewise.
4206 * config/arm/elf.h: Likewise.
4207 * config/c4x/c4x.h: Likewise.
4208 * config/h8300/h8300.h: Likewise.
4209 * config/i386/cygwin.h: Likewise.
4210 * config/i386/djgpp.h: Likewise.
4211 * config/i386/i386-coff.h: Likewise.
4212 * config/i386/i386-interix.h: Likewise.
4213 * config/i386/sco5.h: Likewise.
4214 * config/i386/vsta.h: Likewise.
4215 * config/i386/win32.h: Likewise.
4216 * config/i960/i960-coff.h: Likewise.
4217 * config/ia64/sysv4.h: Likewise.
4218 * config/m68hc11/m68hc11.h: Likewise.
4219 * config/m68k/coff.h: Likewise.
4220 * config/m68k/mot3300.h: Likewise.
4221 * config/m88k/m88k.h: Likewise.
4222 * config/mcore/mcore-pe.h: Likewise.
4223 * config/mcore/mcore.h: Likewise.
4224 * config/mips/elf.h: Likewise.
4225 * config/mips/elf64.h: Likewise.
4226 * config/mips/iris6.h: Likewise.
4227 * config/pa/pa64-hpux.h: Likewise.
4228 * config/rs6000/sysv4.h: Likewise.
4229 * config/sh/sh.h: Likewise.
4230 * config/sparc/litecoff.h: Likewise.
4232 * config/svr3.h (CTORS_SECTION_ASM_OP): Remove.
4233 (CTORS_SECTION_FUNCTION, DTORS_SECTION_FUNCTION): Remove.
4234 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
4235 * config/1750a/1750a.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
4236 (ASM_OUTPUT_DESTRUCTOR): Remove.
4237 * config/a29k/a29k.c: Move include of tree.h.
4238 * config/a29k/udi.h: Delete file.
4239 * config/alpha/alpha.c (vms_asm_out_constructor): New.
4240 (vms_asm_out_destructor): New.
4241 * config/alpha/vms.h (EXTRA_SECTIONS): No ctors/dtors.
4242 (EXTRA_SECTION_FUNCTIONS): Likewise.
4243 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
4244 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
4245 * config/c4x/c4x.c: Move include of tree.h.
4246 * config/clipper/clipper.c (clix_asm_out_constructor): New.
4247 (clix_asm_out_destructor): New.
4248 * config/clipper/clix.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
4249 (ASM_OUTPUT_DESTRUCTOR): Remove.
4250 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
4251 * config/i386/aix386.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
4252 (TARGET_ASM_CONSTRUCTOR): New.
4253 * config/i386/i386.c (ix86_svr3_asm_out_constructor): New.
4254 (sco_asm_out_constructor): New.
4255 * config/i386/sco5.h (TARGET_ASM_CONSTRUCTOR): New.
4256 * config/i386/svr3gas.h: Remove stack grows up code.
4257 Remove code duplicated from i386/sysv3.h.
4258 (TARGET_ASM_CONSTRUCTOR): New.
4259 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
4260 (DTORS_SECTION_FUNCTION, CTORS_SECTION_FUNCTION): Remove.
4261 * config/i386/sysv3.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
4262 (TARGET_ASM_CONSTRUCTOR): New.
4263 * config/m68hc11/m68hc11.c (m68hc11_asm_out_constructor): New.
4264 (m68hc11_asm_out_destructor): New.
4265 * config/m68hc11/m68hc11.h (TARGET_ASM_CONSTRUCTOR): New.
4266 (TARGET_ASM_DESTRUCTOR): New.
4267 * config/m68k/auxgas.h: Don't undef ASM_OUTPUT_*STRUCTOR.
4268 * config/m68k/dpx2.h: Properly undef all the bits inherited from
4269 config/svr3.h pertaining to section manipulation.
4270 * config/m68k/dpx2g.h: Remove #if 0 code.
4271 * config/m68k/m68k.c (m68k_svr3_asm_out_constructor): New.
4272 * config/m68k/tower-as.h (ASM_OUTPUT_SOURCE_LINE): Fix typo.
4273 (ASM_OUTPUT_CONSTRUCTOR): Remove.
4274 (TARGET_ASM_CONSTRUCTOR): New.
4275 * config/m88k/m88k.c (m88k_layout_frame): Don't use assign_stack_local.
4276 (m88k_svr3_asm_out_constructor): New.
4277 (m88k_svr3_asm_out_destructor): New.
4278 * config/m88k/sysv3.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
4279 (ASM_OUTPUT_DESTRUCTOR): Remove.
4280 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
4281 * config/mips/mips.h: Remove #if 0 ASM_OUTPUT_*STRUCTOR code.
4282 * config/rs6000/aix.h: Likewise.
4283 * config/mips/rtems64.h: Don't undef removed constructor related bits.
4284 * config/mips/vxworks.h: Likewise.
4285 * config/rs6000/lynx.h: Likewise.
4286 * config/sh/elf.h: Likewise.
4287 * config/rs6000/sysv4.h (CTORS_SECTION_ASM_OP): New.
4288 (DTORS_SECTION_ASM_OP): New.
4289 * config/sparc/linux64.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
4290 (ASM_OUTPUT_DESTRUCTOR): Remove.
4291 * config/sparc/sol2-sld-64.h: Likewise.
4292 * config/vax/vax.c (vms_asm_out_constructor): New.
4293 (vms_asm_out_destructor): New.
4294 * config/vax/vms.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
4295 (ASM_OUTPUT_DESTRUCTOR): Remove.
4296 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
4298 * doc/tm.texi (@node Initialization): Update.
4300 2001-08-09 Richard Henderson <rth@redhat.com>
4302 * config/alpha/crtbegin.asm (__JCR_LIST__): New.
4303 (__do_global_dtors_aux): Use gp-relative static data to avoid
4304 one dynamic relocation.
4305 (__do_frame_setup): Register Java classes.
4306 * config/alpha/crtend.asm (__JCR_END__): New.
4308 2001-08-09 Zack Weinberg <zackw@stanford.edu>
4310 * Makefile.in (HOST_CFLAGS): Take out -DGENERATOR_FILE.
4311 (CONFIG_H, TCONFIG_H, TM_P_H): Update.
4312 (GEN, STAGESTUFF): Add new files.
4313 (insn-constants.h, s-constants, tm-preds.h, s-preds,
4314 genconstants, genpreds, genconstants.o, genpreds.o): New rules.
4315 (hashtab.o, safe-ctype.o): Add -DGENERATOR_FILE.
4316 * mkconfig.sh: Include tm-preds.h in tm_p.h; insn-constants.h
4317 as well as insn-codes.h and insn-flags.h in config.h; and no
4318 extra headers in tconfig.h and hconfig.h.
4320 * gencodes.c: Eliminate code to generate predicate declarations
4321 or #defines for md-file constants.
4322 * genconstants.c, genpreds.c: New files.
4324 * i386.md: Re-order guard expressions such that TARGET_64BIT
4325 comes first, when this permits better optimization. Add
4326 TARGET_64BIT to more x86-64 patterns. Add comment explaining
4327 why this is desirable.
4329 2001-08-09 Jakub Jelinek <jakub@redhat.com>
4331 * config/ia64/fde-glibc.c: Require glibc 2.2.4+ headers.
4332 (find_fde_for_dso): Remove.
4333 (_Unwind_IteratePhdrCallback): New.
4334 (_Unwind_FindTableEntry): Use dl_iterate_phdr.
4335 * config/ia64/crtbegin.asm (__ia64_app_header): Remove.
4337 Thu Aug 9 11:30:20 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4339 * expr.c (emit_single_push_insn): Only exists ifdef PUSH_ROUNDING.
4340 (move_by_pieces_1): If would call it, abort if no PUSH_ROUNDING.
4342 2001-08-09 Graham Stott <grahams@redhat.com>
4344 * sched-vis.c (MAX_VISUAL_NO_UNIT): Define.
4345 (vis_no_unit): Use it.
4346 (visualize_no_unit): Add the insn only if room exists.
4348 2001-08-09 Graham Stott <grahams@redhat.com>
4350 * predict.c (estimate_probability): Replace magic numbers with
4351 appropriate enumeration.
4353 2001-08-09 Graham Stott <grahams@redhat.com>
4355 * cppexp.c (EXTRACT_PRIO): Uppercase and parenthsize macro
4357 (EXTRACT_FLAGS): Likewise.
4359 2001-08-09 Aldy Hernandez <aldyh@redhat.com>
4361 * config/mips/mips.c (mips_legitimate_address_p): Check for
4362 CONST_INT in last patch.
4364 2001-08-08 Anthony Green <green@redhat.com>
4366 * java/class.c (emit_register_classes): Use assemble_jcr if
4367 possible. Keep the original mechanism as a fallback.
4368 * defaults.h (JCR_SECTION_NAME): Define if we have named section
4369 and weak symbol support.
4370 * crtstuff.c (__JCR_LIST__): Define.
4371 (__JCR_END__): Define.
4372 (_Jv_RegiserClasses): Define weak symbol if possible.
4373 (__do_global_ctors_aux): Register classes for ELF targets with
4374 weak symbol support.
4376 2001-08-08 Kazu Hirata <kazu@hxi.com>
4378 * dbxout.c: Fix comment formatting.
4379 * dependence.c: Likewise.
4381 * diagnostic.c: Likewise.
4382 * dominance.c: Likewise.
4383 * doprint.c: Likewise.
4384 * dwarf2out.c: Likewise.
4385 * dwarfout.c: Likewise.
4386 * emit-rtl.c: Likewise.
4387 * except.c: Likewise.
4388 * explow.c: Likewise.
4389 * expmed.c: Likewise.
4392 * fold-const.c: Likewise.
4393 * function.c: Likewise.
4395 2001-08-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4397 * global.c (retry_global_alloc): Avoid shadowing allocno.
4399 2001-08-08 Mark Mitchell <mark@codesourcery.com>
4401 * except.c (remove_fixup_regions): Fix typo.
4403 2001-08-08 Jan van Male <jan.vanmale@fenk.wau.nl>
4405 * emit-rtl.c (adjust_address, adjust_address_nv): Cast offset to
4406 unsigned HOST_WIDE_INT to avoid warning.
4407 * final.c (final): Cast INSN_UID to unsigned to avoid warning.
4408 * flow.c (set_block_for_new_insns): Likewise.
4410 Wed Aug 8 21:08:14 CEST 2001 Jan Hubicka <jh@suse.cz>
4412 * sibcall.c (return_value_pseudo): New static variable.
4413 (skip_copy_to_return_value): Handle return_value_pseudo.
4414 (call_ends_block_p): Ensure that return_value_pseudo is set.
4415 (optimize_sibling_and_tail_recursive_call): Discover the
4416 load of pseudo return value in alternate exit block.
4418 Wed Aug 8 21:06:43 CEST 2001 Jan Hubicka <jh@suse.cz>
4420 * calls.c (ECF_ALWAYS_RETURN): New constant.
4421 (emit_call_1): Add REG_ALWAYS_RETURN note if needed.
4422 (expand_call): Use LCF_ALWAYS_RETURN for __bb_fork_func.
4423 (emit_library_call_value_1): Handle LCT_ALWAYS_RETRUN.
4424 * flow.c (need_fake_edge_p): Handle REG_ALWAYS_RETURN.
4425 * rtl.c (reg_note_name): New name.
4426 * rtl.h (enum reg_note): Add REG_ALWAYS_RETURN.
4428 2001-08-07 Aldy Hernandez <aldyh@redhat.com>
4430 * config/mips/mips.c (mips_legitimate_address_p): Limit "la" addresses.
4432 2001-08-08 Jason Merrill <jason_merrill@redhat.com>
4434 * alias.c (get_alias_set): Return a previously calculated
4435 alias set for a VAR_DECL.
4436 * function.c (gen_mem_addressof): Calculate the alias set before
4439 Wed Aug 8 18:44:37 CEST 2001 Jan Hubicka <jh@suse.cz>
4441 * predict.def: Set hitrates according our experimental run.
4443 Wed Aug 8 18:01:58 CEST 2001 Jan Hubicka <jh@suse.cz>
4445 * i386.h (HARD_REGNO_RENAME_OK): New macro.
4447 2001-08-08 H.J. Lu <hjl@gnu.org>
4449 * config/mips/mips.c (mips_unique_section): New. Copied from
4452 * config/mips/mips-protos.h (mips_unique_section): New
4455 * config/mips/elf.h (UNIQUE_SECTION): Use mips_unique_section.
4457 * config/mips/little.h: New. Generic little endian mips
4458 targets. Only mips*-*-linux* is converted to use it so far.
4460 * config/mips/linux.h: Include "gofast.h" and "mips/mips.h".
4461 (WCHAR_TYPE): Defined
4462 (WCHAR_TYPE_SIZE): Likewise.
4463 (INIT_SUBTARGET_OPTABS): Likewise.
4464 (BSS_SECTION_ASM_OP): Likewise.
4465 (SBSS_SECTION_ASM_OP): Likewise.
4466 (ASM_OUTPUT_ALIGNED_BSS): Likewise.
4467 (ASM_DECLARE_OBJECT_NAME): Likewise.
4468 (UNIQUE_SECTION): Likewise.
4469 (EXTRA_SECTIONS): Likewise.
4470 (ASM_OUTPUT_CONSTRUCTOR): Likewise.
4471 (ASM_OUTPUT_DESTRUCTOR): Likewise.
4472 (ASM_OUTPUT_DEF): Likewise.
4473 (HANDLE_SYSV_PRAGMA): Removed.
4474 (NO_IMPLICIT_EXTERN_C): Likewise.
4475 (TARGET_MEM_FUNCTIONS): Likewise.
4476 (STARTFILE_SPEC): Likewise.
4477 (ENDFILE_SPEC): Likewise.
4478 (LIB_SPEC): Likewise.
4479 (INVOKE__main): Likewise.
4480 (CTOR_LIST_BEGIN): Likewise.
4481 (CTOR_LIST_END): Likewise.
4482 (DTOR_LIST_BEGIN): Likewise.
4483 (DTOR_LIST_END): Likewise.
4484 (SET_ASM_OP): Likewise.
4485 (ASM_OUTPUT_SOURCE_LINE): Likewise.
4486 (ASM_OUTPUT_DEF): Likewise.
4487 (ASM_OUTPUT_IDENT): Likewise.
4489 * config/mips/mips.h (ASM_SPEC): Undefine before define.
4490 (CPLUSPLUS_CPP_SPEC): Likewise.
4491 (ASM_APP_ON) Redefine only if not defined.
4492 (ASM_APP_OFF): Likewise.
4493 (ASM_OUTPUT_SOURCE_LINE): Likewise.
4494 (ASM_OUTPUT_IDENT): Likewise.
4496 * config.gcc: Update tm_file for Linux/mips.
4498 2001-08-08 Bernd Schmidt <bernds@redhat.com>
4500 * cselib.c (cselib_record_sets): If insn is predicated, turn
4501 sources into IF_THEN_ELSEs.
4503 * config/ia64/ia64.md (cond_opsi2_internal, cond_opsi2_internal_b):
4504 Turn into define_insn_and_split.
4506 * sched-deps.c: Include "cselib.h".
4507 (add_insn_mem_dependence, sched_analyze_1, sched_analyze_2):
4508 Use cselib to turn memory addresses into VALUEs.
4509 (sched_analyze): Call cselib_init/cselib_finish if necessary.
4510 * sched-int.h (struct sched_info): New member USE_CSELIB.
4511 * sched-ebb.c (ebb_sched_info): Initialize it.
4512 * sched-rgn.c (rgn_sched_info): Likewise.
4513 * Makefile.in (sched-deps.o): Update dependencies.
4515 * cselib.h (cselib_subst_to_values): Declare.
4516 * cselib.c (cselib_subst_to_values): No longer static. Allow MEMs
4517 that have no value and autoincs to be handled by generating a new
4520 2001-08-08 Graham Stott <grahams@redhat.com>
4522 * final.c (shorten_branches): Update the INSN_ADDRESSES of insns
4523 within fixed length SEQUENCE.
4525 2001-08-08 Graham Stott <grahams@redhat.com>
4527 * diagnostic.h (diagnostic_format_decoder): Parenthesize macro parameter.
4528 (diagnostic_prefixing_rule): Likewise.
4529 (diagnostic_line_cutoff): Likewise.
4530 (diagnostic_kind_count): Likewise.
4532 2001-08-08 Graham Stott <grahams@redhat.com>
4534 * alias.c (find_base_decl): Delete redundent assignment.
4536 2001-08-08 Graham Stott <grahams@redhat.com>
4538 * dependence.c (INDEX_LIMIT_CHECK): Uppercase macro parameter.
4539 (abs): Uppercase and paranthesize macro parameter.
4540 (MEM_DEPENDENCY): Add whitespace.
4542 2001-08-08 Graham Stott <grahams@redhat.com>
4544 * config/mips/mips.c (mips_legitimate_address_p): Fix enable checking
4545 failure check for CONST_INT
4547 2001-08-08 Graham Stott <grahams@redhat.com>
4549 * flow.c (back_edge_of_syntactic_loop_p): Add whitespace.
4550 (libcall_dead_p): Likewise.
4552 (mark_used_regs): Constify fmt.
4553 (find_use_as_address): Likewise.
4555 2001-08-08 Graham Stott <grahams@redhat.com>
4557 * c-typeck.c (RESTORE_SPELLING_DEPTH): Uppercase and parenthesize macro
4560 2001-08-08 Graham Stott <grahams@redhat.com>
4562 * combine.c (combine_simplify_rtx): Update comment and
4563 remove erroneous test.
4565 2001-08-07 Neil Booth <neil@daikokuya.demon.co.uk>
4567 * cppinit.c (cpp_finish): Pop the final buffer without comment.
4568 * cpplex.c (_cpp_lex_token): Don't pop the final buffer; and
4569 take care to avoid multiple no-newline at EOF warnings in that
4572 Tue Aug 7 22:18:06 CEST 2001 Jan Hubicka <jh@suse.cz>
4574 * calls.c (expand_call): Do not emit INSN_SETJMP note.
4575 (emit_library_call_value_1): Likewise.
4576 (emit_call_1): Emit REG_SETJMP note.
4577 * cse.c (cse_end_of_basic_block): Use REG_SETJMP instead
4579 * cselib.c (cselib_process_insn): Likewise.
4580 * flow.c (propagate_block): Likewise.
4581 * loop.c (find_and_verify_loops): Likewise.
4582 * reload.c (find_equiv_regs): Likewise.
4583 * reload1.c (reload): Likewise.
4584 * resource.c (mark_referenced_resources,
4585 mark_set_resources): Likewise.
4586 * sched-deps (sched_analyze_insn, sched_analyze): Likewise.
4587 * final.c (final_scan_insn): Remove NOTE_INSN_SETJMP.
4588 * haifa-sched.c (unlink_other_notes): Likewise.
4589 (reemit_notes): Likewise.
4590 * sched-ebb.c (sched_ebb): Likewise.
4591 * sched-rgc.c (sched_region): Likewise.
4592 * rtl.c (note_insn_name): Likewise.
4593 (reg_note_name): Add REG_SETJMP
4594 * rtl.h (reg_note): Add REG_SETJMP.
4595 (insn_note): Remove NOTE_INSN_SETJMP.
4597 * profile.c (branch_prob): Add fake edges for setjmp.
4599 2001-08-07 Daniel Jacobowitz <drow@mvista.com>
4601 * config.gcc: Quote target_cpu_default2 correctly for
4602 powerpc*-*-* targets.
4604 2001-08-07 Neil Booth <neil@daikokuya.demon.co.uk>
4606 * cpplib.h, line-map.h: Update comments.
4607 * cppmain.c (printer_init): Move inline.
4608 (maybe_print_line, print_line): Take a map pointer.
4609 (cb_ident, cb_define, cb_undef, cb_include, cb_def_pragma): Update.
4610 (cb_file_change): Don't use prior value of print.map.
4612 2001-08-07 David Edelsohn <edelsohn@gnu.org>
4614 * doc/install.texi: Document fine-grained multilib configuration.
4616 Tue Aug 7 16:52:54 CEST 2001 Jan Hubicka <jh@suse.cz>
4618 * rtlanal.c (find_first_parameter_load): Call note_stores
4619 only on the instructions.
4621 Tue Aug 7 14:56:16 CEST 2001 Jan Hubicka <jh@suse.cz>
4623 * alias.c (nonlocal_mentioned_p):
4624 Rename CONST_CALL_P to CONST_OR_PURE_CALL_P
4625 * calls.c (emit_call_1): Likewise.
4626 * cse.c (cse_insn, invalidate_skipped_block): Likewise.
4627 * cselib.c (cselib_process_insn): Likewise.
4628 * df.c (df_insns_modify): Likewise.
4629 * flow.c (need_fake_edge_p): Likewise.
4630 (propagate_one_insn): Likewise.
4631 * haifa-sched.c (reemit_notes): Likewise.
4632 * integrate.c (copy_insn_list): Likewise.
4633 * jump.c (delete_prior_computation): Likewise.
4634 * local-alloc.c (validate_equiv_mem): Likewise.
4635 * loop.c (scan_loop): Likewise.
4636 * predict.c (estimate_probability): Likewise.
4637 * reload.c (reload): Likewise.
4638 * sched-deps (sched_analyze): Likewise.
4639 * rtl.h (CONST_CALL_P): rename to CONST_OR_PURE_CALL_P.
4640 * gcse.c (compute_hash_table): Likewise.
4641 (mark_call): Likewise.
4642 (store_killed_in_insn): Likewise.
4644 2001-08-07 Jason Merrill <jason_merrill@redhat.com>
4646 * c-semantics.c (make_rtl_for_local_static): Use DECL_RTL_SET_P.
4648 2001-08-06 Richard Henderson <rth@redhat.com>
4650 * varasm.c (assemble_gc_entry): Remove.
4651 * output.h: Likewise.
4653 2001-08-06 Richard Henderson <rth@redhat.com>
4655 * varasm.c (assemble_constructor): Take a symbol_ref and a
4656 priority instead of a bare string. Move priority handling
4657 here from cp/decl2.c.
4658 * output.h: Update decls.
4660 * c-decl.c (c_expand_body): Update calls to assemble_constructor
4661 and assemble_destructor.
4662 * profile.c (output_func_start_profiler): Likewise.
4663 * objc/objc-act.c (finish_objc): Likewise.
4664 (build_module_descriptor): Return the symbol not the symbol name.
4666 2001-08-06 David Edelsohn <edelsohn@gnu.org>
4668 * config/rs6000/darwin.h (DOUBLE_INT_ASM_OP): Add whitespace.
4669 * config/rs6000/linux64.h (RS6000_MCOUNT): Define.
4670 ({SAVE,RESTORE}_FP_{PREFFIX,SUFFIX}): Define.
4671 * config/rs6000/rs6000.h (ASM_OUTPUT_DOUBLE_INT): Remove whitespace.
4672 * config/rs6000/sysv4.h (DOUBLE_INT_ASM_OP): Add whitespace.
4673 * config/rs6000/xcoff.h (DOUBLE_INT_ASM_OP): Add whitespace.
4675 2001-08-06 Neil Booth <neil@daikokuya.demon.co.uk>
4677 * cpperror.c (print_containing_files): Moved to line-map.c.
4678 (print_location): line-map.c handles re-listing or otherwise.
4679 * cpphash.h (struct lexer_state): Remove next_bol.
4680 (struct cpp_buffer): Remove include_stack_listed.
4681 * cpplib.c (do_line, cpp_push_buffer, _cpp_pop_buffer):
4682 Remove faked buffer handling.
4683 (_cpp_do_file_change): Tweak.
4684 * cpplib.h (enum cpp_buffer_type): Remove BUF_FAKE.
4685 * cppmain.c (struct printer): Remove filename.
4686 (print_line, cb_file_change): Update accordingly.
4687 * line-map.c: Include intl.h.
4688 (init_line_maps): Initialize last_listed.
4689 (free_line_maps): Sanity check, warn if ENABLED_CHECKING.
4690 (add_line_map): Sanity check inputs, warn if ENABLED_CHECKING.
4691 (print_containing_files): New.
4692 * line-map.h (struct line_maps): New member last_listed.
4693 (print_containing_files, INCLUDED_FROM): New.
4694 * Makefile.in: Update.
4695 * po/POTFILES.in: Add line-map.c.
4697 2001-08-06 Richard Henderson <rth@redhat.com>
4699 * except.c (convert_from_eh_region_ranges_1): Never mark
4700 USE or CLOBBER insns as throwing.
4702 * expr.c (store_constructor): Don't clobber memory targets.
4704 2001-08-06 Andreas Jaeger <aj@suse.de>
4706 * profile.c (branch_prob): Remove unused variable insn.
4708 * Makefile.in (local-alloc.o): Add dependency on except.h.
4710 * local-alloc.c: Include except.h for can_throw_internal prototype.
4712 2001-08-06 Richard Henderson <rth@redhat.com>
4714 * config/i386/i386.h (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
4715 * function.c (expand_main_function): Implement it.
4716 * doc/tm.texi: Document it.
4718 2001-08-06 Stan Shebs <shebs@apple.com>
4720 * doc/install.texi: Document powerpc-*-darwin* details.
4722 2001-08-06 Daniel Berlin <dan@cgsoftware.com>
4724 * config/rs6000/aix.h (CPP_CPU_SPEC): Move back to rs6000.h
4725 (ASM_CPU_SPEC): Move back to rs6000.h
4726 #undef CPP_DEFAULT_SPEC and ASM_DEFAULT_SPEC before redefining them.
4728 * config/rs6000/darwin.h (DOUBLE_INT_ASM_OP): New macro.
4730 * config/rs6000/linux.h: Remove vtable thunks stuff we accidently
4733 * config/rs6000/linux64.h: Ditto.
4735 * config/rs6000/rs6000.h: Move CPP_CPU_SPEC and ASM_CPU_SPEC back
4736 to here. Define default ASM_DEFAULT_SPEC and CPP_DEFAULT SPEC to
4739 Remove accidently readded definitions of FUNCTION_PROLOGUE,
4740 FUNCTION_EPILOGUE, ASM_OPEN_PAREN, ASM_CLOSE_PAREN
4742 * config/rs6000/sysv4.h: Move CPP_CPU_SPEC and ASM_CPU_SPEC back
4745 2001-08-05 Richard Henderson <rth@redhat.com>
4747 * local-alloc.c (update_equiv_regs): Do not move insns that
4750 2001-08-05 Jan Hubicka <jh@suse.cz>
4752 * Makefile.in (reload1.o): Add dedendancy on except.h
4753 * basic-block.h (purge_all_dead_edges, purge_dead_edges): Update
4755 * flow.c (purge_dead_edges, purge_all_dead_edges): Return bool
4756 indicating wehther edges has been cleaned up.
4757 * reload1.c: Inlucde except.h
4758 (fixup_abnormal_edges): Accept deleted insns.
4759 * toplev.c (rest_of_compilation): Purge dead edges unconditionally
4762 2001-08-06 Neil Booth <neil@daikokuya.demon.co.uk>
4764 * cpplib.c (do_line): Correct line number after pop_buffer.
4766 2001-08-05 Neil Booth <neil@daikokuya.demon.co.uk>
4768 PR preprocessor/3824
4769 * line-map.c: Update comments.
4770 * line-map.h: Update comments.
4771 * tradcif.y: Don't consider large numbers unsigned.
4773 2001-08-05 Neil Booth <neil@daikokuya.demon.co.uk>
4775 PR preprocessor/3081
4776 * c-lex.c (map): New.
4777 (cb_file_change): Update map and use it.
4778 (cb_def_pragma, cb_define, cb_undef): Use map and line.
4779 (c_lex): Update to use map.
4780 * cpperror.c (print_location): Move to using logical line numbers.
4781 * cppfiles.c (stack_include_file): Update for new _cpp_do_file_change.
4782 (cpp_make_system_header): Similarly.
4783 (_cpp_execute_include): Stop line numbering hacks. Store the
4784 line we will return to.
4785 * cpphash.h (CPP_BUF_LINE): Remove.
4786 (struct cpp_buffer): Remove lineno and pseudo_newlines.
4787 Add map and return_to_line.
4788 (_cpp_do_file_change): Update.
4789 * cppinit.c (cpp_start_read): Update line kludge.
4790 * cpplex.c (handle_newline): Don't update lineno and pseudo_newlines.
4791 (trigraph_ok): Use logical line numbers for diagnostics.
4792 (skip_block_comment): Likewise.
4793 (skip_whitespace): Likewise.
4794 (skip_line_comment): Use pfile->line instead.
4795 (_cpp_lex_token): Update to use logical line numbering exclusively.
4796 Handle BOL locally. Accept new lines in directives, but keep
4797 pfile->line decremented. Diagnostics use logical lines. Update
4799 * cpplib.c (SEEN_EOL): New.
4800 (skip_rest_of_line, check_eol): Use it.
4801 (end_directive): Increase line number when accepting the newline
4802 at the end of a directive.
4803 (run_directive): Simplify.
4804 (do_line): Bad LC_LEAVEs become LC_RENAMEs. Update.
4805 (_cpp_do_file_change): Update to take buffer line number as an
4806 argument, and store the current map in the cpp_reader. Remove
4807 line number kludges.
4808 (_cpp_do__Pragma): Restore output position after a _Pragma.
4809 (cpp_push_buffer): Don't set output line or lineno.
4810 (_cpp_pop_buffer): Transfer more info from a faked buffer.
4811 Remove line kludge. Set output_line.
4812 * cppmacro.c (builtin_macro): Update handling of __LINE__.
4813 (parse_arg): Use logical lines.
4814 (save_lookahead_token): Save EOFs too now.
4815 * cppmain.c (struct printer): Fix comments.
4816 (printer_init): Simplify, let caller do errors.
4817 (scan_translation_unit, check_multiline_token, dump_macro): Update.
4818 (maybe_print_line): Simplify.
4819 (print_line): Don't print a linemarker if -P.
4820 (cb_define, cb_undef, cb_def_pragma, cb_ident, cb_include): Update.
4821 (cb_file_change): Simplify.
4822 * line-map.h (LAST_SOURCE_LINE): Fix.
4823 (CURRENT_LINE_MAP): New.
4825 2001-08-05 Bernd Schmidt <bernds@redhat.com>
4827 * doloop.c (doloop_modify_runtime): Properly compute number of
4828 iterations if loop was unrolled.
4830 * alias.c (rtx_equal_for_memref_p): VALUEs are only identical
4831 if their CSELIB_VAL_PTRs are.
4833 * config/ia64/ia64.c (struct spill_fill_data): New member prev_insn.
4834 (setup_spill_pointers): Initialize it.
4835 (spill_restore_mem): Set it.
4836 (do_spill, do_restore): Use it to add REG_INC note.
4837 * config/ia64/ia64.md (movti_internal): Add REG_INC notes as needed.
4839 * config/ia64/ia64.c (ia64_sched_reorder): Defer scheduling of
4840 asms if other insns are available.
4842 * config/ia64/ia64.c (condop_operator): New predicate.
4843 * config/ia64/ia64.h (PREDICATE_CODES): Add it.
4844 * config/ia64/ia64.md (cond_opsi2_internal and splitters): New
4847 * expr.c (expand_expr, case COND_EXPR): Prefer working with a
4848 temporary register than directly using a MEM.
4850 2001-08-04 Hans-Peter Nilsson <hp@bitrange.com>
4852 * config/sh/sh.c (sh_asm_named_section): Fix typo in align
4853 parameter in last change.
4855 2001-08-04 Zack Weinberg <zackw@panix.com>
4857 * sparc.md: Don't use #if inside C test expression.
4859 2001-08-04 Richard Henderson <rth@redhat.com>
4861 * i386.c: Revert 07-30 ix86_output_main_function_alignment_hack.
4863 2001-08-04 Neil Booth <neil@daikokuya.demon.co.uk>
4865 * cpphash.h (struct cpp_reader): New member directive_line.
4866 * cpplib.h (struct cpp_callbacks): Update prototypes of callbacks.
4867 * cpplib.c (do_define, do_undef, do_ident, do_include_common,
4868 do_pragma): Pass line to callbacks.
4869 (start_directive): Record line of directive.
4870 * cppmain.c (cb_ident, cb_define, cb_undef, cb_def_pragma,
4871 cb_include): Similarly.
4872 * c-lex.c (cb_ident, cb_define, cb_undef, cb_def_pragma):
4875 2001-08-04 Hans-Peter Nilsson <hp@bitrange.com>
4877 * config/d30v/d30v.h: Fix typo in start of UNIQUE_SECTION
4880 Sat Aug 4 13:51:36 CEST 2001 Jan Hubicka <jh@suse.cz>
4882 * loop.c (try_copy_prop); Kill invalidated REG_EQUAL notes.
4884 * reload1.c (fixup_abnormal_edges): New static function.
4887 * flow.c (need_fake_edge_p): New function.
4888 (flow_call_edges_add): Fix handling of noreturn and sibbling calls;
4889 avoid call insn to be very last insn in the insn stream.
4891 * profile.c (branch_prob): Call flow_call_edges_add instead of
4892 doing that by hand; cleanup cfg to re-merge basic blocks once
4895 2001-08-04 Neil Booth <neil@cat.daikokuya.demon.co.uk>
4897 * Makefile.in (CPPLIB_H): New, so that dependencies on cpplib.h
4898 are also on line-map.h.
4899 * cppfiles.c (stack_include_file): Update.
4900 * cpphash.h (struct cpp_buffer): New member return_at_eof.
4901 (_cpp_pop_buffer): New.
4902 * cppinit.c (cpp_destroy, cpp_finish): Update.
4903 (do_includes): Mark each buffer to return at EOF.
4904 * cpplex.c (_cpp_lex_token): Pop buffers at EOF. Continue or
4905 return as requested.
4906 * cpplib.c (run_directive, do_line, cpp_push_buffer): Update.
4907 (cpp_pop_buffer): Rename _cpp_pop_buffer. Stop skipping.
4908 * cpplib.h (cpp_pop_buffer): Remove.
4909 (cpp_scan_buffer_nooutput): Rename cpp_scan_nooutput.
4910 * cppmacro.c (cpp_scan_buffer_nooutput): Similarly. No need to pop
4912 * cppmain.c (scan_buffer): Rename scan_translation_unit. No need
4914 (do_preprocessing): Update.
4915 * fix-header.c (read_scan_file): Update. No need to pop buffers.
4916 * c-parse.in (_yylex): Similarly.
4917 * scan-decls.c (scan_decls): Similarly.
4918 * line-map.h: Update comments.
4920 * objc/Make-lang.in (objc-act.o): Update dependencies.
4922 2001-08-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4924 * config/m68hc11/m68hc11.md ("cmphi_1", "cmpqi_1"): Allow memory
4925 and soft register for operand 0.
4926 ("cmphi_z_used", "cmpqi_z_used"): Allow memory for operand 0.
4928 2001-08-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4930 * config/m68hc11/m68hc11.md ("bitcmpqi"): Allow memory and soft
4931 register for operand 0.
4932 ("bitcmpqi_z_used"): Allow memory for operand 0.
4933 (split "bitcmpqi"): New split to handle address reg as operand 1.
4935 2001-08-04 Andreas Jaeger <aj@suse.de>
4937 * gcse.c: Revert Daniel's last patch.
4939 2001-08-03 Zack Weinberg <zackw@stanford.edu>
4941 * sparc-protos.h: Add prototypes for fp_zero_operand and
4943 * sh-protos.h: Add prototype for fpul_operand.
4945 2001-08-04 Hans-Peter Nilsson <hp@bitrange.com>
4947 * doc/extend.texi (Other Builtins): Fix typo in last change.
4949 2001-08-03 Richard Henderson <rth@redhat.com>
4951 * target.h (gcc_target): Add asm_out.named_section,
4952 section_type_flags, have_named_sections.
4953 * target-def.h (TARGET_ASM_NAMED_SECTION): New.
4954 (TARGET_HAVE_NAMED_SECTIONS): New.
4955 (TARGET_SECTION_TYPE_FLAGS): New.
4957 * Makefile.in (toplev.o): Depend on TARGET_H.
4958 (varasm.o, dbxout.o): Likewise.
4959 * c-common.c (decl_attributes): Check targetm.have_named_sections
4960 instead of ifdef ASM_OUTPUT_SECTION_NAME.
4961 * dbxout.c (dbxout_function_decl): Likewise.
4962 (dbxout_function_end): Likewise.
4963 * toplev.c (compile_file): Likewise.
4964 * varasm.c (exception_section): Likewise.
4965 * cp/decl2.c (finish_objects): Likewise.
4967 * defaults.h (EH_FRAME_SECTION): Remove.
4968 (EH_FRAME_SECTION_ASM_OP): Remove.
4969 (EH_FRAME_SECTION_NAME): New.
4970 (UNIQUE_SECTION): Don't depend on ASM_OUTPUT_SECTION_NAME.
4971 (UNIQUE_SECTION_P): Remove.
4972 * dwarf2out.c (SECTION_FORMAT): Remove.
4973 (ASM_OUTPUT_SECTION): Remove.
4974 (output_call_frame_info): Use named_section_flags.
4975 (output_comp_unit, dwarf2out_start_source_file): Likewise.
4976 (dwarf2out_end_source_file, dwarf2out_define): Likewise.
4977 (dwarf2out_undef, dwarf2out_init, dwarf2out_finish): Likewise.
4978 * varasm.c (in_eh_frame, eh_frame_section): Remove.
4979 (named_section_flags): New.
4980 (named_section): Use it and targetm.section_type_flags.
4981 (resolve_unique_section): New.
4982 (assemble_start_function): Use it.
4983 (asm_emit_uninitialised, assemble_variable): Likewise.
4984 (default_section_type_flags): New.
4985 (default_no_named_section, default_elf_asm_named_section): New.
4986 (default_coff_asm_named_section, default_pe_asm_named_section): New.
4987 * output.h: Update varasm.c decls.
4988 (SECTION_*): New flags.
4990 * crtstuff.c: Check EH_FRAME_SECTION_NAME not EH_FRAME_SECTION_ASM_OP.
4991 (__EH_FRAME_BEGIN__, __FRAME_END__): Use attribute section.
4993 * config/elfos.h (UNIQUE_SECTION_P): Remove.
4994 * config/alpha/elf.h, config/arm/linux-elf.h: Likewise.
4995 * config/arm/pe.h, config/arm/unknown-elf.h: Likewise.
4996 * config/i386/cygwin.h, config/i386/djgpp.h: Likewise.
4997 * config/i386/i386-interix.h, config/i386/win32.h: Likewise.
4998 * config/ia64/sysv4.h, config/mcore/mcore-pe.h: Likewise.
4999 * config/mips/elf.h, config/mips/elf64.h: Likewise.
5000 * config/mips/iris6gld.h, config/mips/mips.h: Likewise.
5001 * config/pa/pa64-hpux.h,
5003 * config/elfos.h (ASM_OUTPUT_SECTION_NAME): Remove.
5004 (TARGET_ASM_NAMED_SECTION): New.
5005 * config/psos.h, config/a29k/a29k.h, config/alpha/elf.h: Likewise.
5006 * config/alpha/vms.h, config/arm/coff.h: Likewise.
5007 * config/arm/conix-elf.h, config/arm/elf.h: Likewise.
5008 * config/arm/linux-elf.h, config/arm/pe.h: Likewise.
5009 * config/arm/unknown-elf.h, config/avr/avr.h: Likewise.
5010 * config/c4x/c4x.h, config/h8300/h8300.h: Likewise.
5011 * config/i386/cygwin.h, config/i386/djgpp.h: Likewise.
5012 * config/i386/i386-interix.h, config/i386/i386elf.h : Likewise.
5013 * config/i386/sco5.h, config/i386/win32.h: Likewise.
5014 * config/m68k/coff.h, config/mcore/mcore-pe.h: Likewise.
5015 * config/mcore/mcore.h, config/mips/elf.h: Likewise.
5016 * config/mips/elf64.h, config/mips/iris6.h: Likewise.
5017 * config/mips/netbsd.h, config/mips/openbsd.h: Likewise.
5018 * config/pa/pa64-hpux.h, config/rs6000/sysv4.h: Likewise.
5019 * config/rs6000/xcoff.h, config/sh/sh.h: Likewise.
5020 * config/sparc/sysv4.h: Likewise.
5022 * config/nextstep.h: Error until named sections implemented.
5024 * config/a29k/a29k.c (a29k_asm_named_section): New.
5025 * config/alpha/alpha.c (SECTION_VMS_OVERLAY): New.
5026 (vms_section_type_flags, vms_asm_named_section): New.
5027 * config/arm/arm.c (arm_elf_asm_named_section): New.
5028 * config/avr/avr.c (asm_output_section_name): Remove.
5029 * config/avr/avr-protos.h: Update.
5030 * config/c4x/c4x.c (c4x_asm_named_section): New.
5031 * config/h8300/h8300.c (h8300_asm_named_section): New.
5032 * config/i386/i386.c (sco_asm_named_section): New.
5033 * config/i386/winnt.c (SECTION_PE_SHARED): New.
5034 (i386_pe_section_type_flags): New.
5035 (i386_pe_asm_named_section): New.
5036 * config/i386/i386-protos.h: Update.
5037 * config/m68k/m68k.c (m68k_coff_asm_named_section): New.
5038 * config/mcore/mcore.c (mcore_asm_named_section): New.
5039 * config/mips/mips.c (iris6_asm_named_section): New.
5040 * config/mips/mips.h (ENCODE_SECTION_INFO): Use DECL_ONE_ONLY
5041 instead of UNIQUE_SECTION_P.
5042 * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): New.
5043 (xcoff_asm_named_section): New.
5044 * config/sh/sh.c (sh_asm_named_section): New.
5045 * config/sparc/sparc.c (sparc_elf_asm_named_section): New.
5047 * config/i386/djgpp.h (EH_FRAME_SECTION_ASM_OP): Remove.
5048 * config/i386/sco5.h (EH_FRAME_SECTION_ASM_OP*): Remove.
5049 (EH_FRAME_SECTION_NAME): New.
5050 (EXCEPTION_SECTION): New.
5051 * config/ia64/ia64.h (EH_FRAME_SECTION_ASM_OP): Remove.
5052 (DEBUG_*_SECTION): Remove.
5053 * config/m68k/rtemself.h (EH_FRAME_SECTION_ASM_OP): Remove.
5054 * config/mips/iris6.h (DEBUG_*_SECTION): Remove.
5055 (EH_FRAME_SECTION_ASM_OP): Remove.
5057 * doc/tm.texi (UNIQUE_SECTION_P): Remove.
5058 (ASM_OUTPUT_SECTION_NAME): Remove.
5059 (TARGET_ASM_NAMED_SECTION): New.
5060 (TARGET_HAVE_NAMED_SECTIONS): New.
5061 (TARGET_SECTION_TYPE_FLAGS): New.
5062 (EH_FRAME_SECTION_ASM_OP): Remove.
5063 (EH_FRAME_SECTION_NAME): New.
5065 2001-08-03 Zack Weinberg <zackw@stanford.edu>
5067 * builtins.c (fold_builtin_constant_p): Return integer_zero_node
5068 for complex expressions when cfun == 0.
5069 * doc/extend.texi: Document that __builtin_constant_p can be
5070 used in data initializers as well as functions.
5072 2001-08-03 Alexandre Oliva <aoliva@redhat.com>
5074 * config/mn10300/mn10300.h (CONDITIONAL_REGISTER_USAGE): Declare
5075 variable I locally, instead of expecting a declaration in the
5078 2001-08-03 Richard Henderson <rth@redhat.com>
5080 * except.c (collect_one_action_chain): Add an explicit cleanup
5081 action if regions surrounding a catch were encoded entirely
5082 within the call-site entry.
5084 2001-08-03 Richard Henderson <rth@redhat.com>
5086 * dbxout.c (dbxout_symbol_location): Flatten subregs first;
5087 don't take REGNO of a non-register.
5089 2001-08-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
5091 * gthr-dce.h (__GTHREAD_MUTEX_INIT_FUNCTION and
5092 __GTHREAD_MUTEX_INIT_DEFAULT): New macros for mutex initialization.
5093 (__gthread_key_delete): Remove code for __PTHREAD_LIBRARY_VERSION_1 >= 1
5094 (__gthread_mutex_init_function): New function for mutex initialization.
5096 2001-08-03 Daniel Berlin <dan@cgsoftware.com>
5098 * Makefile.in: Revert screwed up commit.
5100 2001-08-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
5102 * config/m68hc11/t-m68hc11-gas (T_CPPFLAGS): Add _ctor and _dtor.
5103 * config/m68hc11/larith.asm (_exit): Split in several sub-sections
5104 merged by linker script to get a final _exit().
5105 (__do_global_dtors): New for destructor handling in specific exit
5107 (__do_global_ctors): New for constructors in specific install section.
5108 (__map_data_section): Map data sections before running constructors.
5109 * config/m68hc11/m68hc11.h (INT_ASM_OP): Define to use .word.
5110 (CTORS_SECTION_ASM_OP): Define to put in readonly section.
5111 (DTORS_SECTION_ASM_OP): Likewise.
5112 (CTORS_SECTION_FUNCTION): Define to force a reference to
5114 (DTORS_SECTION_FUNCTION): Likewise for __do_global_dtors.
5116 2001-08-03 Daniel Berlin <dan@cgsoftware.com>
5118 * ChangeLog: Fix date on previous ChangeLog entry for GCSE.
5120 * Makefile.in: Add df.h to gcse.c dependencies.
5122 2001-08-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
5124 * varasm.c (output_constant_def_contents): Use for the length of a
5125 string constant either its TREE_STRING_LENGTH or its int_size_in_bytes
5126 depending on which is larger.
5128 2001-08-03 Daniel Berlin <dan@cgsoftware.com>
5130 * gcse.c: Include df.h for use as a dataflow analyzer.
5132 Declaration of reg_set_info: gone.
5133 New df_analyzer variable used by store motion.
5134 (reg_set_info): Deleted.
5135 (mark_mem_regs): New function, analyze regs used by a mem.
5136 (store_ops_ok): Use dataflow analyzer results to determine if
5137 necessary regs are changed in the block.
5138 (find_moveable_store): Remove check for symbol ref, we can handle
5139 much more complex expressions now.
5140 (compute_store_table): Remove most of the code, it's unnecessary
5141 now that the dataflow analyzer records the info for us.
5142 (store_killed_after): Add parameter to say whether to do the
5143 store_ops_okay test, used to speed up testing when we already know
5144 the answer, and just want to know if the store itself was killed.
5145 (build_store_vector): Largely rewritten to calculate the various
5146 vectors properly, and somewhat optimized.
5147 (store_motion): Init the df_analyzer, get REG_DEF chains.
5148 Also handle trapping expressions (since mems almost always trap)
5149 (simple_mem): Redefine what a simple mem is.
5151 2001-08-03 DJ Delorie <dj@redhat.com>
5153 * ifcvt.c (noce_get_alt_condition): Don't make an auxiliary
5154 set from a constant part of the condition.
5156 2001-08-01 Andrew Cagney <ac131313@redhat.com>
5158 * mkdeps.c (deps_add_default_target): Make local variable
5159 ``start'' a const char pointer.
5160 * dwarf2out.c (compute_section_prefix): Localize use of ``p''.
5162 2001-08-03 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5164 * doc/install.texi (Configuration): Fix markup.
5165 (Specific, i?86-*-udk): Likewise.
5166 (Specific, alpha*-dec-osf*): Warn against --with-gnu-as,
5168 Document --enable-threads and --enable-libgcj status.
5169 (Specific, mips-sgi-irix*): Canonicalize triples.
5170 (Specific, mips-sgi-irix5): Warn about problems with this config.
5171 Mention required GNU as patch.
5172 Native assembler problems are fixed.
5173 (Specific, mips-sgi-irix6): Update O32 ABI support status.
5174 Document --enable-threads and --enable-libgcj status.
5176 2001-08-02 Nick Clifton <nickc@cambridge.redhat.com>
5178 * Makefile.in, mklibgcc.in: Restore changes with fixed invocation
5181 2001-08-03 Richard Henderson <rth@redhat.com>
5183 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Don't write to
5186 2001-08-03 Richard Henderson <rth@redhat.com>
5188 * rtlanal.c (find_first_parameter_load): Stop if we
5189 reach a CODE_LABEL at BOUNDARY.
5191 2001-08-03 Richard Henderson <rth@redhat.com>
5193 * config/alpha/alpha.md (force_movdi): New insn.
5194 * config/alpha/alpha.c (alpha_expand_prologue): Use it.
5195 Tweek FRP marking of VMS prologue insns.
5196 * config/alpha/vms.h (EPILOGUE_USES): New.
5198 2001-08-02 Richard Henderson <rth@redhat.com>
5200 * Makefile.in, mklibgcc.in: Revert mkinstalldirs change.
5202 2001-08-02 Lars Brinkhoff <lars@nocrew.org>
5204 * combine.c, config.gcc, cse.c, defaults.h, real.c, reload.c,
5205 simplify-rtx.c, config/alpha/alpha.h, config/avr/avr.h,
5206 config/convex/convex.h, config/d30v/d30v.c,
5207 config/d30v/d30v.h, config/dsp16xx/dsp16xx.h,
5208 config/elxsi/elxsi.h, config/fr30/fr30.h, config/m88k/m88k.c,
5209 config/mips/mips.h, config/mn10200/mn10200.h,
5210 config/mn10300/mn10300.h, config/pdp11/pdp11.md,
5211 config/v850/v850.h, config/vax/openbsd.h,
5212 config/vax/openbsd1.h, config/vax/ultrix.h,
5213 config/vax/vax-protos.h, config/vax/vax.c, config/vax/vax.h,
5214 config/vax/vax.md, config/vax/vaxv.h, config/vax/xm-vms.h,
5215 cp/decl2.c, doc/contrib.texi, doc/cpp.texi, doc/gcc.texi,
5216 doc/install.texi, doc/invoke.texi, doc/md.texi, doc/rtl.texi,
5217 doc/tm.texi: consistently use "VAX", "VAXen", and "MicroVAX"
5218 in comments and documentation.
5220 2001-08-03 Neil Booth <neil@cat.daikokuya.demon.co.uk>
5224 * Makefile.in (line-map.o): New.
5225 (LIBCPP_OBJS, LIBCPP_DEPS): Update.
5226 * c-lex.c (cb_file_change): Update for new cpp_file_change structure.
5227 * cpperror.c (print_containing_files): Similarly.
5228 (print_location): Update. Don't output a space before _Pragma.
5229 * cppfiles.c (stack_include_file): Set to line 1 immediately.
5230 (stack_include_filee, cpp_make_system_header): Update.
5231 (_cpp_execute_include): Get logical line number right for calling
5232 as-yet-unterminated #include.
5233 * cpphash.h (struct cpp_reader): Add line_maps.
5234 (_cpp_do_file_change): Update.
5235 * cppinit.c (cpp_create_reader): Initialize line maps.
5236 (cpp_destroy): Destroy line maps.
5237 (cpp_start_read): Get logical line number right.
5238 * cpplex.c (parse_string): Only warn once for multi-line strings.
5239 Use boolean variable for null warning.
5240 * cpplib.c (_cpp_handle_directive): End the directive if it isn't
5242 (do_include_common): End the directive early.
5243 (do_line): Don't warn about out-of-range lines in preprocessed
5244 source. Update. Remove unused variables.
5245 (_cpp_do_file_change): Update for new line mapping.
5246 (pragma_cb): New typedef.
5247 (cpp_register_pragma): Stop looking ahead before calling the
5249 (do_pragma_system_header): End directive early.
5250 (cpp_get_line_maps): New.
5251 (cpp_pop_buffer): Fudge logical line. Update.
5252 * cpplib.h: Include line-map.h
5253 (enum cpp_fc_reason): Remove.
5254 (struct cpp_file_change): Update.
5255 (cpp_get_line_maps): New.
5256 * cppmain.c (struct_printer): New member map.
5257 (cb_file_change): Update for new mappings.
5258 * fix-header.c (cb_file_change): Similarly.
5260 2001-08-02 Nick Clifton <nickc@cambridge.redhat.com>
5262 * Makefile.in (libgcc.mk): Define mkinstalldirs.
5263 * mklibgcc.in: Use mkinstalldirs instead of mkdir.
5265 2001-08-02 Lars Brinkhoff <lars@nocrew.org>
5267 * config/vax/vax.c: include expr.h.
5269 2001-08-02 Nick Clifton <nickc@cambridge.redhat.com>
5271 * Makefile.in ($(srcdir)/configure): Only rebuild in
5273 ($(srcdir)/config.in): Only define in maintainer mode.
5274 ($(srcdir)/cstamp-h.in): Only define in maintainer mode.
5276 2001-08-02 David Edelsohn <edelsohn@gnu.org>
5278 * doc/install.texi (Install GCC: Binaries): Update Bull info.
5280 2001-08-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5282 * gcc.c (set_collect_gcc_options): New function, split out from
5284 Ignore elided switches.
5285 (do_spec_1): Invoke before executing command.
5286 (set_input): Export.
5287 Move declaration ...
5288 * gcc.h (set_input): ... here.
5289 * config/alpha/osf.h (ASM_FINAL_SPEC): Use %U.s to refer to input
5292 2001-08-02 Nathan Sidwell <nathan@codesourcery.com>
5295 * doc/c-tree.texi (Namespaces): Remove std & -fhonor-std
5297 * doc/invoke.texi (C++ Dialect Options): Remove -fno-honor-std.
5299 2001-08-02 Richard Sandiford <rsandifo@redhat.com>
5301 * mips.md (movdicc): Make conditional on TARGET_64BIT. Likewise
5302 for the unnamed instructions it expands to.
5304 2001-08-02 Richard Henderson <rth@redhat.com>
5306 * regclass.c (call_really_used_regs): Conditionally define.
5307 (init_reg_sets_1): Don't use it if not defined.
5308 (fix_register): Similarly, don't set it.
5310 2001-08-01 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
5312 * params.def (PARAM_MAX_INLINE_INSNS): Change default to 600.
5313 Correct comment that had been missed in the previous change.
5315 2001-08-01 Stan Shebs <shebs@apple.com>
5317 * config/darwin.c (machopic_stub_name): Try matching by name.
5318 (update_stubs): New function.
5319 (darwin_encode_section_info): Call it and update_non_lazy_ptrs
5322 2001-08-01 Richard Henderson <rth@redhat.com>
5324 * except.c (output_function_exception_table): Use assemble_align.
5325 * varasm.c (assemble_eh_label): Remove.
5326 (assemble_eh_align, assemble_eh_integer): Remove.
5328 2001-08-01 Robert Lipe <robertl@caldera.com>
5330 * dwarfout.c: Remove reference to README.DWARF.
5332 2001-08-01 Andrew MacLeod <amacleod@redhat.com>
5334 * regclass.c (call_really_used_regs): New array for registers which
5335 are actually used by a call.
5336 (init_reg_sets_1): Initialize regs_invalidated_by_call with the
5338 (fix_register): Set call_really_used too.
5339 * config/ia64/ia64.h (CALL_REALLY_USED_REGISTERS): Initialize.
5340 * doc/tm.texi (CALL_REALLY_USED_REGISTERS): Document.
5342 2001-08-01 Richard Henderson <rth@redhat.com>
5344 * read-rtl.c (read_name): Consider \r whitespace.
5346 2001-07-11 Andrew Cagney <ac131313@redhat.com>
5348 * config.gcc: Recognize powerpc-*-netbsd*.
5350 * doc/install.texi (Host/target specific installation notes for
5351 GCC): Mention powerpc-*-netbsd*.
5353 * config/rs6000/netbsd.h: New file.
5354 (STANDARD_STARTFILE_PREFIX, LINK_SHLIB_SPEC): Redefine.
5355 (LIB_DEFAULT_SPEC, STARTFILE_DEFAULT_SPEC): Redefine.
5356 (ENDFILE_DEFAULT_SPEC, LINK_START_DEFAULT_SPEC): Redefine.
5357 (LINK_OS_DEFAULT_SPEC, CPP_OS_DEFAULT_SPEC): Redefine.
5358 (TARGET_VERSION): Redefine.
5360 * config/rs6000/t-ppccomm (MULTILIB_MATCHES_SYSV): Recognize
5361 mcall-netbsd as a match for mcall-sysv.
5362 (EXTRA_MULTILIB_PARTS): Add ncrti$(objext) and ncrtn$(objext).
5363 (ncrti.S, ncrtn.S): New targets.
5364 ($(T)ncrti$(objext), $(T)ncrtn$(objext)): New targets.
5366 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Recognize
5367 "netbsd' as a V4 ABI.
5368 (ASM_SPEC): Check for -mcall-netbsd.
5369 (CC1_SPEC, CC1_SPEC, LINK_START_SPEC, LINK_OS_SPEC): Ditto.
5370 (CPP_ENDIAN_SPEC, CPP_SPEC, STARTFILE_SPEC): Ditto.
5371 (LIB_SPEC, ENDFILE_SPEC): Ditto.
5372 (LIB_NETBSD_SPEC, STARTFILE_NETBSD_SPEC): Define.
5373 (ENDFILE_NETBSD_SPEC, LINK_START_NETBSD_SPEC): Define.
5374 (LINK_OS_NETBSD_SPEC, CPP_OS_NETBSD_SPEC): Define.
5375 (SUBTARGET_EXTRA_SPECS): Add NetBSD specs.
5377 * doc/invoke.texi (Option Summary): Add -mcall-netbsd.
5378 (RS/6000 and PowerPC Options): Mention -mcall-netbsd.
5380 2001-08-01 Mark Kettenis <kettenis@gnu.org>
5382 * unwind-pe.h (base_of_encoded_value, read_encoded_value): Define
5383 only if NO_BASE_OF_ENCODED_VALUE isn't defined.
5384 * unwind-dw2-fde.c (NO_BASE_OF_ENCODED_VALUE): Define before
5385 including "unwind-pe.h".
5387 Wed Aug 1 20:01:42 CEST 2001 Jan Hubicka <jh@suse.cz>
5389 * rs6000.md (define_splits): Kill unused constraints.
5391 Wed Aug 1 20:02:12 CEST 2001 Graham Stott <grahams@redhat.com>
5392 Jan Hubicka <jh@suse.cz>
5394 * function.c (thread_prologue_and_epilogue_insns): Kill code
5395 dealing with non-existent CFG.
5397 2001-08-01 Kazu Hirata <kazu@hxi.com>
5399 * alias.c: Fix comment formatting.
5400 * bitmap.c: Likewise.
5401 * builtins.c: Likewise.
5402 * calls.c: Likewise.
5403 * c-common.c: Likewise.
5404 * c-decl.c: Likewise.
5405 * c-dump.c: Likewise.
5406 * c-lex.c: Likewise.
5407 * collect2.c: Likewise.
5408 * combine.c: Likewise.
5409 * conflict.c: Likewise.
5410 * cppfiles.c: Likewise.
5411 * cppinit.c: Likewise.
5412 * cpplex.c: Likewise.
5413 * cpplib.c: Likewise.
5414 * cppmacro.c: Likewise.
5415 * cppspec.c: Likewise.
5416 * c-pragma.c: Likewise.
5417 * crtstuff.c: Likewise.
5419 * cselib.c: Likewise.
5420 * c-semantics.c: Likewise.
5421 * c-typeck.c: Likewise.
5423 2001-08-01 H.J. Lu <hjl@gnu.org>
5425 * config/mips/linux.h (ASM_OUTPUT_IDENT): Defined.
5427 2001-08-01 H.J. Lu <hjl@gnu.org>
5429 * gcc/config/mips/linux.h (ASM_OUTPUT_SOURCE_LINE): Defined.
5431 2001-08-01 Ziemowit Laski <zlaski@apple.com>
5433 * c-parse.in (OBJC_NEED_RAW_IDENTIFIER): Define macro and flag for
5434 contextualizing Objective-C class name lookup by the lexer.
5435 (typespec_reserved_nonattr): Disable ObjC class name lookup after
5437 (protocoldef): Add support for forward @protocol declarations.
5438 (yylexname): Suppress ObjC class name lookup in certain contexts;
5439 re-enable after lookup is complete.
5440 (_yylex): Re-enable ObjC class name lookup when certain
5441 punctuation marks are seen.
5443 * objc/objc-act.c (check_protocol_recursively): New function used
5444 for finding circular dependencies in protocols.
5445 (objc_declare_protocols): New function for handling forward
5446 @protocol declarations.
5447 (receiver_is_class_object): Detect the case when 'self' is used
5448 inside of a class method.
5449 (build_message_expr): Issue a warning if class method is desired
5450 but instance method is found instead.
5451 (conforms_to_protocol): Streamline.
5452 (objc_comptypes): Detect the fact that 'Bar<Foo> foo' conforms to
5453 protocol Foo, even if 'Bar foo' does not.
5454 (check_protocols): Streamline.
5455 (start_protocol): Add checks for circular and duplicate protocol
5457 (encode_aggregate_within): For typedefs of structs, encode the
5459 * objc/objc-act.h (PROTOCOL_DEFINED): New tree accessor.
5460 (objc_declare_protocols): New prototype.
5462 2001-08-01 Neil Booth <neil@cat.daikokuya.demon.co.uk>
5464 * cpphash.h (struct cpp_reader): New members line, pseudo_newlines.
5465 * cpplex.c (handle_newline): Update prototype. Maintain logical
5467 (skip_escaped_newlines, skip_block_comment, parse_string):
5469 (_cpp_lex_token): Update, and store token position within the token.
5470 * cpplib.h (struct cpp_token): Add line and column entries.
5471 * cppmacro.c (replace_args): Position stringified tokens correctly.
5473 2001-08-01 Andreas Jaeger <aj@suse.de>
5475 * basic-block.h: Add prototype for last_loop_beg_note.
5477 2001-07-31 Alexandre Petit-Bianco <apbianco@redhat.com>
5479 * expr.c (safe_from_p): Use WITH_CLEANUP_EXPR_RTL instead of
5480 RTL_EXPR_RTL while handling WITH_CLEANUP_EXPR nodes. Fixed typo in
5482 (expand_expr): Use WITH_CLEANUP_EXPR_RTL instead of RTL_EXPR_RTL
5483 while handling WITH_CLEANUP_EXPR node. Use second operand calling
5484 expand_decl_cleanup.
5485 * tree.c (firt_rtl_op): The third operand of WITH_CLEANUP_EXPR is
5487 (simple_cst_equal): WITH_CLEANUP_EXPR node to use its second
5488 operand while calling simple_cst_equal.
5489 * tree.def (WITH_CLEANUP_EXPR): Switched operands: the second
5490 operand is the cleanup expression, the third is the RTL_EXPR.
5491 * tree.h (WITH_CLEANUP_EXPR_RTL): New macro.
5493 2001-07-31 Jeff Sturm <jsturm@one-point.com>
5495 * except.c (duplicate_eh_regions): Test n_array[i] for NULL.
5497 2001-07-31 matthew green <mrg@eterna.com.au>
5499 * config.gcc (i386-*-netbsdelf): New description.
5500 * config/i386/netbsd-elf.h: New file.
5502 2001-07-30 Geoffrey Keating <geoffk@redhat.com>
5504 * loop.c (check_dbra_loop): Use single_set to compute
5507 2001-07-31 Daniel Berlin <dan@cgsoftware.com>
5509 PowerPC reorg and support for powerpc64-*-linux*.
5511 Also fixes emitting of constants on 32 bit and 64 bit
5514 * config.gcc: powerpc64-*-linux* is a new target.
5515 Things that needed aix.h now also include xcoff.h
5517 * config/rs6000/rs6000.h: Split XCOFF specific stuff into
5519 Move AIX specific stuff into aix.h.
5520 (TARGET_AIX): Renamed to TARGET_XCOFF, since the AIX ABI is used
5521 with more than just XCOFF now.
5522 (SET_ASM_OP): Remove, now defined where needed.
5523 (FUNCTION_PROLOGUE): New macro definition.
5524 (FUNCTION_EPILOGUE): New macro definition.
5525 (ASM_OPEN_PAREN, ASM_CLOSE_PAREN): New macro definition.
5527 * config/rs6000/xcoff.h: New file.
5529 * config/rs6000/linux64.h: New file.
5531 * config/rs6000/darwin.h: Copy needed AIX alignment definitions.
5533 2001-07-31 Alan Modra <amodra@bigpond.net.au>
5535 * rs6000.c (print_operand_address): Handle ELF syntax.
5536 (output_toc): Simplify. Use DOUBLE_INT_ASM_OP.
5537 * rs6000.md (load_toc_aix_di): Handle ELF syntax.
5538 * rs6000.h (ASM_OUTPUT_DOUBLE_INT, ASM_LONG): Use DOUBLE_INT_ASM_OP.
5540 2001-07-31 David Edelsohn <edelsohn@gnu.org>
5542 * rs6000.c (rs6000_override_options): Only disable
5543 flag_function_sections for XCOFF.
5544 (exact_log2_cint_operand): New predicate.
5545 (reg_or_{add,sub}_cint64_operand): New predicates.
5546 (add_operand): Compare CONST_INT with fewer function calls.
5547 (rs6000_emit_set_const, rs6000_emit_set_long_const): New functions.
5548 (print_operand, case 'p'): Ensure positive operand.
5549 (rs6000_emit_load_toc_table): No load_toc_v4_pic_di.
5550 * rs6000.h (CONST_OK_FOR_LETTER_P, case 'N'): Ensure positive value.
5551 (PREDICATE_CODES): Add new predicates.
5552 * rs6000.md (addsi3): Split 32-bit constants more correctly.
5553 (divsi3, modsi3): Ensure positive power-of-2.
5554 (adddi3): Use new predicate. Split 32-bit constants more
5555 correctly. Re-arrange splitter to handle any constant.
5556 (subdi3): Use new predicate.
5557 (divdi3, moddi3): Ensure positive power-of-2.
5558 (movdi): Use rs6000_emit_set_const.
5559 (load_toc_v4_pic_di): Delete.
5561 2001-07-31 Graham Stott <grahams@redhat.com>
5563 * function.c (pad_below): Revert 2001-07-26 patch.
5565 Tue Jul 31 15:37:35 CEST 2001 Jan Hubicka <jh@suse.cz>
5567 * reg-stack (convert_regs_1): Fix best edge condition.
5569 Tue Jul 31 15:33:27 CEST 2001 Jan Hubicka <jh@suse.cz>
5571 * jump.c (duplicate_loop_exit_test): Better test for jumps
5572 entering the loop; create loop pre_header.
5574 2001-07-31 Hartmut Penner <hpenner@de.ibm.com>
5576 * doc/install.texi: Add s390 and s390x as new targets.
5577 * doc/invoke.texi: Add documantation of S/390 and zSeries
5579 * doc/md.texi: Add documantation of S/390 and zSeries constraints.
5581 2001-07-30 Roman Zippel <zippel@linux-m68k.org>
5583 * config/m68k/m68k.md: Replace all general_operand with
5584 nonimmediate_operand for all destinations.
5585 * config/m68k/m68k.c (not_sp_operand): Likewise.
5587 Mon Jul 30 23:20:34 EDT 2001 John Wehle (john@feith.com)
5589 * flow.c (merge_blocks): Return 1 if an extra jump is inserted.
5591 2001-07-30 Richard Henderson <rth@redhat.com>
5593 * config/ia64/ia64.h (DEBUG_RANGES_SECTION): New.
5594 * config/mips/iris6.h (DEBUG_RANGES_SECTION): New.
5596 2001-07-30 Roman Zippel <zippel@linux-m68k.org>
5598 * config/m68k/m68k.h (TARGET_SWITCHES/TARGET_OPTIONS):
5599 Add missing doc strings
5600 * config/m68k/linux-aout.h (SUBTARGET_SWITCHES): Likewise
5601 * config/m68k/linux.h (SUBTARGET_SWITCHES): Likewise
5603 Mon Jul 30 22:16:08 CEST 2001 Jan Hubicka <jh@suse.cz>
5605 * i386.c (ix86_output_main_function_alignment_hack): New function.
5606 (TARGET_ASM_FUNCTION_PROLOGUE): Default to it.
5608 * flow.c (mark_dfs_back_edges): Move from loop_p ; mark back
5609 edges by EDGE_DFS_BACK flag.
5610 (dump_edge_info): Add dfs_back flag.
5611 * basic-block.h (EDGE_DFS_BACK): New constant.
5612 (mark_dfs_back_edges): Declare.
5613 * alias.c (loop_p): Remove.
5614 (mark_constant_function): Use mark_dfs_back_edges.
5616 * reg-stack.c (block_info_def): Add predecesors counter and stack_out.
5617 (reg_to_stack): Call mark_dfs_back_edges; count the predecesors.
5618 (compensate_edge): Break out from ...
5619 (convert_regs_1): ... here; do smart choosing of stack_out to copy.
5620 (convert_regs_2): Set block_done once block is really done;
5621 Do updating of the predecesors counts.
5623 * toplev.c (rest_of_compilation): Recompute block_for_insn
5624 before post-reload cfg_cleanup.
5625 * function.c (thread_prologue_epilogue_insns):
5626 Call set_block_for_new_insns when emitting prologue directly.
5628 2001-07-30 Andreas Jaeger <aj@suse.de>
5630 * jump.c: Add prototype for mark_modified_reg.
5632 * cse.c (set_live_p): Add unused attribute.
5634 * gcov.c (calculate_branch_probs): Use gcov_type to avoid
5636 (scan_for_source_files): Use long for count to avoid overflow.
5637 (output_data): Likewise.
5638 (output_data): Don't use string concatatenation to silence gcc
5641 * predict.c: Fix typos and grammar.
5643 * gcse.c (insert_insn_end_bb): Remove unused variables.
5645 Mon Jul 30 21:54:53 CEST 2001 Jan Hubicka <jh@suse.cz>
5647 * flow.c (mark_set_1): Use REG_FREQ_FROM_BB.
5648 (attempt_auto_inc): LIkewise.
5649 (mark_used_reg): Likewise.
5650 (try_pre_increment_1): Likewise.
5651 * regclass.c (regclass): Likewise.
5652 * global.c (allocno_compare): Update comment; change scaling factor.
5653 * local-alloc.c (QTY_CMP_PRI): Likewise.
5654 * regs.h (REG_FREQ_FROM_BB): New.
5655 (REG_FREQ_MAX): Likewise.
5657 2001-07-30 H.J. Lu <hjl@gnu.org>
5659 * config/mips/linux.h (CPLUSPLUS_CPP_SPEC): Add
5662 2001-07-30 H.J. Lu (hjl@gnu.org)
5664 * config/mips/linux.h (ASM_DECLARE_FUNCTION_NAME): Defined.
5665 (ASM_DECLARE_FUNCTION_SIZE): Likewise.
5666 (FUNCTION_NAME_ALREADY_DECLARED): Likewise.
5668 2001-07-30 Nick Clifton <nickc@cambridge.redhat.com>
5670 * config/arm/t-arm-elf (MULTILIB_EXCEPTIONS): Skip -mthumb as well
5671 as -mthumb-interwork when -mcpu=arm7 is specified.
5673 Mon Jul 30 17:44:43 CEST 2001 Jan Hubicka <jh@suse.cz>
5675 * predict.def (noreturn, loop branch, loop exit): Mark as first
5678 Mon Jul 30 12:52:11 CEST 2001 Jan Hubicka <jh@suse.cz>
5680 * combine.c (try_combine): Avoid barrier after noop jumps.
5682 2001-07-29 Neil Booth <neil@cat.daikokuya.demon.co.uk>
5684 * cpphash.h (struct cpp_reader): Remove import_warning.
5685 * cpplib.c (skip_rest_of_line): Don't bother turning off
5687 (parse_include): Move include handling to...
5688 (do_include_common): ... here. Move import warning from...
5689 (do_import): ... here.
5690 (do_pragma_poison): Don't do a callback for poison identifiers.
5691 * cpplib.h (struct cpp_callbacks): Don't do poison callbacks.
5692 * cppmain.c (setup_callbacks): Similarly.
5694 Sun Jul 29 23:26:50 CEST 2001 Jan Hubicka <jh@suse.cz>
5696 * rtlanal.c (parms_set, find_first_parameter_load): Break out from...;
5697 handle multiple sets.
5698 * except.c (sjlj_mark_call_sites): .... here.
5699 * gcse.c (insert_insn_end_bb): Use find_first_parameter_load.
5701 Sun Jul 29 21:38:45 CEST 2001 Jan Hubicka <jh@suse.cz>
5703 Suggested by Richard Henderson and Richard Kenner:
5704 * combine.c (recog_for_combine): Use the fake recog
5705 only if instruction does not match.
5706 * rtl.h (NOOP_MOVE_INSN_CODE): New.
5707 * rtlanal.c (noop_move_p): Always return 1 for NOOP_MOVE_INSN_CODE.
5709 * combine.c (try_combine): Discover noop jump as direct jump.
5711 2001-07-29 Daniel Berlin <dan@cgsoftware.com>
5713 * df.c (df_rd_global_compute): Add successors to worklist, not
5715 (df_ru_global_compute): Ditto.
5717 2001-07-27 Daniel Berlin <dan@cgsoftware.com>
5719 * regclass.c (reg_scan_mark_refs): Increment REG_N_REFS when we
5720 increment REG_N_SETS.
5722 2001-07-26 Daniel Berlin <dan@cgsoftware.com>
5724 * sbitmap.h: New prototype for sbitmap_a_xor_b.
5726 * sbitmap.c (sbitmap_a_xor_b): New function.
5727 ifdef the basic block stuff on IN_GCC.
5729 2001-07-29 Neil Booth <neil@cat.daikokuya.demon.co.uk>
5731 * cppexp.c (parse_defined): Always record the macro name.
5732 (lex): Don't worry about identifiers, or special-case
5734 (_cpp_parse_expr): Figure out at the end of the routine
5735 whether we saw a valid !defined() expression.
5736 * cppfiles.c (stack_include_file): Update for mi_valid.
5737 (_cpp_pop_file_buffer): Similarly.
5738 * cpplex.c (_cpp_lex_token): Similarly.
5739 * cpphash.h (enum mi_state, enum mi_ind, mi_state,
5740 mi_if_not_defined, mi_lexed): Remove.
5742 * cpplib.c (do_if): Simplify.
5743 (do_endif, push_conditional, _cpp_handle_directive): Update
5744 for renaming of mi_state to mi_valid.
5746 * cpp.texi: Add index entries for digraphs, and add comment
5747 that C++ refers to them as alternative tokens.
5749 Sun Jul 29 18:59:13 CEST 2001 Jan Hubicka <jh@suse.cz>
5751 * basic-block.h (CLEANUP_PRE_LOOP): New.
5752 * except.c (finish_eh_generation): Update call of cleanup_cfg.
5753 * sibcall.c (optimize_sibling_calls): Likewise.
5754 * toplev.c (rest_of_compilation): Likewise.
5755 * flow.c (try_forward_edges): Take argument MODE;
5756 do not forward over loop pre-headers if CLEANUP_PRE_LOOP.
5757 (try_optimize_cfg): Update call of try_forward_edges.
5759 Sun Jul 29 18:59:56 CEST 2001 Roman Zippel <zippel@linux-m68k.org>
5760 Jan Hubicka <jh@suse.cz>
5762 * (validate_replace_rtx_1): Fix simplification of MINUS.
5764 2001-07-29 Neil Booth <neil@daikokuya.demon.co.uk>
5766 PR preprocessor/3669
5767 * cppinit.c (init_dependency_output): Turn off dump requests
5768 if sending dependencies to stdout.
5770 2001-07-28 Richard Henderson <rth@redhat.com>
5772 * flow.c (life_analysis): Elide PROP_ALLOW_CFG_CHANGES if
5775 2001-07-28 Golubev I. N. <gin@mo.msk.ru>
5777 * config/i386/sco5.h (DWARF2_DEBUGGING_INFO): Define.
5779 2001-07-28 Kazu Hirata <kazu@hxi.com>
5781 * config/h8300/h8300.h (ENCODE_SECTION_INFO): Check to see if DECL
5782 is VAR_DECL first to prevent an ICE.
5784 2001-07-28 Richard Henderson <rth@redhat.com>
5786 * varasm.c (immed_real_const_1): Don't elide special cases for
5788 (clear_const_double_mem): Clear const_tiny_rtx too.
5790 2001-07-28 Richard Henderson <rth@redhat.com>
5792 * dwarf2out.c (dw_val_class_offset): New.
5793 (struct dw_ranges_struct, dw_ranges_ref): New.
5794 (ranges_table, ranges_table_allocated): New.
5795 (ranges_table_in_use, RANGES_TABLE_INCREMENT): New.
5796 (add_AT_offset, add_ranges, output_ranges): New.
5797 (print_die, output_die): Handle dw_val_class_offset.
5798 (attr_checksum, size_of_die, value_format): Likewise.
5799 (gen_lexical_block_die): Handle non-contiguous blocks.
5800 (gen_block_die): Likewise.
5801 (dwarf2out_finish): Add a DW_AT_entry_pc to the compilation unit
5802 if needed. Dump the ranges table.
5803 * final.c (final_start_function): Remove unnecessary notes and
5804 rebuild the block tree before numbering the blocks.
5805 * function.c (reorder_blocks_0): Walk the existing block tree
5806 to unmark all blocks.
5807 (reorder_blocks_1): Create block fragments when duplicate block
5809 (reorder_fix_fragments): New.
5810 (reorder_blocks): Call it.
5811 * tree.h (BLOCK_FRAGMENT_ORIGIN, BLOCK_FRAGMENT_CHAIN): New.
5813 2001-07-28 Richard Henderson <rth@redhat.com>
5815 * emit-rtl.c (adjust_address): Make a copy of the memory address.
5817 2001-07-28 Richard Henderson <rth@redhat.com>
5819 * flow.c (add_to_mem_set_list): New function.
5820 (init_propagate_block_info): Use it.
5821 (mark_set_1): Likewise.
5822 (insn_dead_p): Canonicalize memory address for dead store
5823 comparison. Allow wider mode stores to kill narrower mode stores.
5824 (invalidate_mems_from_autoinc): Use invalidate_mems_from_set.
5825 (invalidate_mems_from_set): Don't handle MEMs.
5827 2001-07-28 Kazu Hirata <kazu@hxi.com>
5829 * config/h8300/h8300.h: Fix formatting.
5831 Sat Jul 28 23:35:22 CEST 2001 Jan Hubicka <jh@suse.cz>
5833 * basic-block.h (EDGE_FREQUENCY): New macro.
5834 * bb-reorder (fixup_reorder_chain): Set counts and frequencies
5836 * flow.c (find_sub_basic_blocks): Likewise.
5837 (try_crossjump_to_edge): Likewise; use EDGE_FREQUENCY
5838 (redirect_edge_and_branch): Use EDGE_FREQUENCY.
5840 * predict.c (DEF_PREDICTOR): New argument FLAGS.
5841 (HITRATE): New macro.
5842 (PRED_FLAG_FIRST_MATCH): New constant.
5843 (predictor_info): New field flgags.
5844 (combine_predictions_for_insn): Use DS theory to combine
5845 probabilities; set the edge probabilities when finished.
5846 (estimate_probability): Avoid duplicated matches
5847 of LOOP_BRANCH heuristics for nested loops; update comment.
5848 * predict.def: Add flags for each prediction, set probabilities
5849 according to B&L paper.
5850 * predict.h (DEF_PREDICTOR): New argument FLAGS.
5852 * profile.c (compute_branch_probabilities): Cleanup way the edge
5853 probabilities are computed and REG_BR_PROB notes are dropped; if
5854 values does not match, emit error.
5855 (init_branch_prob): Do error instead of warning when profile driven
5856 feedback is missing or corrupt.
5858 2001-07-27 DJ Delorie <dj@redhat.com>
5860 * ifcvt.c (noce_get_alt_condition): If the condition is a compare
5861 against a constant, try to adjust the compare to have the desired
5862 constant in it so that min/max optimizations happen more often.
5864 Fri Jul 27 17:53:00 CEST 2001 Jan Hubicka <jh@suse.cz>
5866 * flow.c (last_loop_beg_note): New function.
5867 (redirect_edge_and_branch): Use it.
5868 (split_edge): Likewise.
5870 * alias.c (loop_p): Avoid uninitialized memory access.
5872 * flow.c (try_forward_edges): Avoid accessing freed memory.
5874 * flow.c (backward_edge_of_syntactic_loop_p): Avoid uninitialized
5877 2001-07-26 Andrew Haley <aph@redhat.com>
5878 Joern Rennecke <amylaar@redhat.com>
5880 * config/sh/linux.h (CPP_DEFAULT_CPU_SPEC): New.
5881 (SUBTARGET_CPP_ENDIAN_SPEC): New.
5882 (SUBTARGET_CPP_SPEC): New.
5884 * config/sh/sh.h (SUBTARGET_CPP_ENDIAN_SPEC): New.
5885 (SUBTARGET_CPP_PTR_SPEC): New.
5886 (CPP_DEFAULT_CPU_SPEC): New.
5887 (EXTRA_SPECS): Add SUBTARGET_CPP_ENDIAN_SPEC,
5888 SUBTARGET_CPP_PTR_SPEC, and CPP_DEFAULT_CPU_SPEC.
5889 (CPP_SPEC): Break out parts into SUBTARGET_CPP_ENDIAN_SPEC,
5890 SUBTARGET_CPP_PTR_SPEC, and CPP_DEFAULT_CPU_SPEC.
5891 (SUBTARGET_CPP_SPEC): Define as an empty string.
5893 2001-07-27 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
5895 * doc/install.texi (Configuration): Properly link the host
5896 specific instructions also when generating HTML.
5898 Fri Jul 27 00:33:35 EDT 2001 John Wehle (john@feith.com)
5900 * flow.c (redirect_edge_and_branch_force): Test
5901 target->global_live_at_start.
5903 2001-07-26 Richard Henderson <rth@redhat.com>
5905 * simplify-rtx.c (avoid_constant_pool_reference): Export.
5906 * rtl.h (avoid_constant_pool_reference): Declare it.
5907 * dwarf2out.c (add_location_or_const_value_attribute): Use it.
5908 (add_const_value_attribute): Use add_AT_unsigned for unsigned values.
5910 Thu Jul 26 22:30:22 CEST 2001 Jan Hubicka <jh@suse.cz>
5912 * rtl.h (cleanup_barriers): Declare.
5913 * jump.c (cleanup_barriers): New function.
5914 * toplev.c (rest_of_compilation): Call cleanup_barriers
5915 before loop optimizer and after bb_reorder.
5917 * flow.c (back_edge_of_syntactic_loop_p): New.
5918 (split_edge): Use it.
5920 2001-07-26 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5922 * glimits.h (_MACH_MACHLIMITS_H_): Delete.
5924 Thu Jul 26 22:22:21 2001 Denis Chertykov <denisc@overta.ru>
5926 * cse.c (cse_process_notes): Replace any registers if the address
5929 Thu Jul 26 14:04:03 EDT 2001 John Wehle (john@feith.com)
5931 * basic-block.h (PROP_ALLOW_CFG_CHANGES): Define.
5932 (PROP_FINAL): Include PROP_ALLOW_CFG_CHANGES.
5933 (propagate_block): Update prototype.
5934 * flow.c (update_life_info): Simplify the CFG and
5935 recalculate the global regs which are alive when
5936 removing dead code during a global update.
5937 (propagate_block): Return non-zero if an INSN is
5940 2001-07-26 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5942 * Makefile.in (LIBICONV): Define.
5944 2001-07-26 Catherine Moore <clm@redhat.com>
5946 * config/v850/v850.h (ENCODE_SECTION_INFO): Change order
5947 of conditional to avoid tree checking errors.
5949 2001-07-26 Kazu Hirata <kazu@hxi.com>
5951 * regmove.c (regmove_optimize): Don't replace a reg with
5952 another reg of a different mode.
5954 2001-07-26 Andrew MacLeod <amacleod@redhat.com>
5956 * params.def (PARAM_MAX_PENDING_LIST_LENGTH): Add parameter to
5957 limit length of dependancy flush list.
5958 * params.h (MAX_PENDING_LIST_LENGTH): Define.
5959 * sched-int.h (struct deps): Add pending_flush_length field.
5960 * sched-deps.c (flush_pending_lists): Last_pending_memory_flush now
5961 has 1 element in it.
5962 (sched_analyze_1): Use MAX_PENDING_LIST_LENGTH.
5963 (sched_analyze): After a jump, if the pending memory flush list is too
5964 large, flush the pending lists.
5965 (init_deps): Initialize pending_flush_length to 0.
5966 * doc/invoke.texi (max_pending_list_length): Document parameter.
5968 2001-07-26 Neil Booth <neil@daikokuya.demon.co.uk>
5970 * toplev.c, varasm.c, final.c: Include xcoffout.h if appropriate.
5971 * dbxout.c (dbxout_global_decl): Move outside #ifdef.
5972 * Makefile.in (varasm.o, final.o, toplev.o): Update dependencies.
5974 2001-07-26 Neil Booth <neil@cat.daikokuya.demon.co.uk>
5976 * cpphash.h (struct_lexer_state): Delete was_skipping.
5977 Move skipping here from struct cpp_reader.
5978 * cpplex.c (parse_identifier): Update.
5979 (_cpp_lex_token): Don't skip tokens in a directive.
5980 * cpplib.c (struct if_stack): Update.
5981 (start_directive, end_directive): Don't change skipping state.
5982 (_cpp_handle_directive): Update.
5983 (do_ifdef, do_ifndef, do_if, do_elif): Similarly.
5984 (do_else, do_endif): Update; only check for excess tokens if not
5985 in a skipped conditional block.
5986 (push_conditional): Update for new struct if_stack.
5988 2001-07-26 Graham Stott <grahams@redhat.com>
5990 * function.c (locate_and_pad_parm): Also pad initial offset
5991 so that the total argument size also includes the padding.
5993 2001-07-26 Graham Stott <grahams@redhat.com>
5995 * gensupport.c (alter_output_for_insn): Correct enable checking failure
5996 change XSTR to XTMPL.
5998 (process_one_cond_exec): Likewise
6000 2001-07-25 Richard Henderson <rth@redhat.com>
6002 * varasm.c (assemble_variable): Create DECL_RTL before setting
6005 Thu Jul 26 00:19:30 CEST 2001 Jan Hubicka <jh@suse.cz>
6007 * predict.c (estimate_probability): Avoid duplicated predictions.
6009 * loop.c (find_and_verify_loops): Grok multiple barriers.
6011 Wed Jul 25 18:00:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6013 * config/alpha/alpha.c (print_operand, case '/'): Don't write '/'.
6015 * dbxout.c: Consistently use putc instead of fputc.
6016 (print_wide_int): New function; call instead of direct fprintf.
6017 (dbxout_type_index): Adjust calls of CHARS to be more accurate.
6018 (dbxout_type_fields, dbxout_type_method_1): Likewise.
6019 (dbxout_type_methods, dbxout_range_type, dbxout_type): Likewise.
6020 (print_int_cst_octal): Likewise.
6021 (print_octal): Show we wrote characters.
6022 (dbxout_type): Set have_used_extensions in more places.
6024 2001-07-25 Catherine Moore <clm@redhat.com>
6026 * config/v850/v850.c (v850_va_arg): Use addr
6027 instead of valist to build incr.
6029 Wed Jul 25 22:48:59 CEST 2001 Jan Hubicka <jh@suse.cz>
6031 * flow.c (delete_dead_jumptables): New function.
6032 (life_analyzis): Call it.
6033 * bb-reorder.c (skip_insns_after_block): Handle contradictory
6036 2001-07-25 Richard Henderson <rth@redhat.com>
6038 * except.c (reachable_handlers): Handle a region being removed
6039 out from under a RESX.
6041 2001-07-25 Richard Henderson <rth@redhat.com>
6043 * config/alpha/alpha.c (alpha_emit_conditional_move): Always
6044 swap GE/GT if it is an fp comparison.
6046 2001-07-25 Andrew Haley <aph@cambridge.redhat.com>
6048 * alias.c (rtx_equal_for_memref_p): Allow strings as types in
6051 Wed Jul 25 08:25:01 2001 Jeffrey A Law (law@cygnus.com)
6053 * ssa.c (rename_insn_1): Do not wrap an assignment to a
6054 paradoxical SUBREG inside a SEQUENCE. Fix minor formatting
6057 * ssa-ccp.c (visit_expression): Handle CALL_INSNs that can
6059 (visit_expression): When attempting to simplify an expression,
6060 retrieve any modes for arguments before they are simplified
6063 2001-07-25 Andrew MacLeod <amacleod@redhat.com>
6064 Janis Johnson <janis@us.ibm.com>
6066 * stmt.c (expand_goto): A nonlocal goto can be a call too.
6067 * builtins.c (expand_builtin_longjmp): Reverse label and static chain
6068 pointer parameters to match documented usage of nonlocal_goto.
6069 * config/ia64/ia64.md (nonlocal_goto): Revert label and static chain
6070 parameters to their correct order.
6071 * config/sparc/sparc.md (nonlocal_goto): Revert label and static chain
6072 parameters to their correct order.
6074 2001-07-25 Andrew MacLeod <amacleod@redhat.com>
6076 * config/ia64/ia64.h (STRIP_NAME_ENCODING): Strip out '*' as well.
6078 2001-07-25 Jan Hubicka <jh@suse.cz>
6079 Richard Henderson <rth@redhat.com>
6081 * flow.c (find_sub_basic_blocks): Fix handling of the last BB in
6083 (make_edges): New argument update_p; populate the edge cache if set.
6084 (find_basic_blocks): Update make_edges invocation.
6086 2001-07-24 Joel Sherrill <joel@OARcorp.com>
6088 * config/i960/i960.h (CPP_SPEC): Define _SOFT_FLOAT for -msoft-float.
6090 2001-07-24 Joel Sherrill <joel@OARcorp.com>
6092 * config/sparc/rtems.h (CPP_PREDEFINES): Remove redundant
6093 -Acpu and -Amachine.h.
6094 * config/sparc/rtemself.h (CPP_PREDEFINES): Likewise.
6095 Corrected header to say ELF not a.out.
6096 * config/sparc/sparc.h (CPP_CPU_SPEC): Define _SOFT_FLOAT
6097 when given -msoft-float.
6099 2001-07-24 Joel Sherrill <joel@OARcorp.com>
6101 * config.gcc (arm*-*-rtems*): Include crtinit.o and crtfini.o as
6102 extra multilib parts like arm-elf.
6103 (i960-*-coff*, i960-*-rtems): Should not use collect2.
6104 (m68020-*-elf*, m68k-*-elf*, m68k-*-rtems*): Include crtinit.o and
6105 crtfini.o as extra multilib parts.
6107 2001-07-24 Joel Sherrill <joel@OARcorp.com>
6109 * configure.in: Add rtems as a supported thread model.
6110 * gthr-rtems.h: Add missing entry point __gthread_active_p.
6111 * configure: Rebuilt.
6113 2001-07-24 Lars Brinkhoff <lars@nocrew.org>
6115 * stor-layout.c (get_mode_alignment): make it work when
6116 BITS_PER_UNIT is not a power of two.
6117 * builtins.c (get_pointer_alignment): Likewise.
6119 2001-07-24 Richard Henderson <rth@redhat.com>
6121 * simplify-rtx.c (avoid_constant_pool_reference): Coerce
6122 the retrieved constant into the expected mode.
6124 Wed Jul 25 01:41:27 CEST 2001 Jan Hubicka <jh@suse.cz>
6126 * flow.c (try_simplify_condjump): Avoid duplicated edges.
6127 (verify_flow_info): Check for duplicated edges; clarify
6130 * flow.c (block_label): Update basic_block_for_insn.
6131 (commit_edge_insertions): Call compute_bb_for_insn.
6133 * flow.c (purge_dead_edges): Handle conditional jumps and conditional
6136 * flow.c (redirect_edge_and_branch,
6137 try_optimize_cfg): Use redirect_edge_succ_nodup
6138 (redirect_edge_succ_nodup): New.
6139 * basic_block.h (redirect_edge_succ_nodup): Declare.
6141 * toplev.c (rest_of_compilation): Rebuild CFG before cfg_cleanup
6144 Wed Jul 25 00:32:49 CEST 2001 Jan Hubicka <jh@suse.cz>
6146 * flow.c (try_forward_edges): Accept fallthru edge; Update comment.
6147 (try_crossjump_to_edge): Update commetns.
6148 (try_crossjump_bb): Likewise.
6150 2001-07-24 Richard Henderson <rth@redhat.com>
6152 * combine.c (distribute_notes): Move set of need_refresh
6153 for noop_move_p down to catch all cases.
6155 Tue Jul 24 20:32:44 CEST 2001 Jan Hubicka <jh@suse.cz>
6157 * recog.c (split_all_insns_noflow): New.
6158 * rtl.h (split_all_insns_noflow): Declare.
6159 * ia64.c (ia64_reorg): Use split_all_insns_noflow.
6160 * m68hc11.c (m68hc11_reorg): Likewise.
6161 * sh.c (machine_dependent_reorg): Likewise.
6162 * toplev.c (rest_of_compilation): Likewise for last split_all_insns
6165 2001-07-18 Andrew Haley <aph@cambridge.redhat.com>
6167 * config/sh/sh.md (ashlsi3_std splitter): Split only after reload.
6168 (ashlsi3_n splitter): Likewise.
6169 (lshrsi3_n splitter): Likewise.
6171 (GOTaddr2picreg): Make const SImode.
6172 (sym_label2reg): Likewise.
6173 (symGOT2reg): Likewise.
6174 (symGOTOFF2reg) Likewise.
6176 (casesi_worker_0): Make unspec SImode.
6178 2001-07-18 Andrew Haley <aph@cambridge.redhat.com>
6180 * config/sh/sh.c (barrier_align): Check that an operand really is
6181 an insn before extracting its INSN_CODE.
6183 2001-07-24 Andrew Haley <aph@cambridge.redhat.com>
6185 * config/sh/sh.h (OVERRIDE_OPTIONS): Add braces to get rid of
6188 * config/sh/sh.h (INITIALIZE_TRAMPOLINE): Truncate operands
6189 for SImode to prevent overflow.
6191 2001-07-24 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6193 * config/mips/irix6-libc-compat.c: New file.
6194 * config/mips/t-iris6 (LIB2FUNCS_STATIC_EXTRA): Use it.
6195 * doc/install.texi (Specific, mips*-sgi-irix6): Mention structure
6198 2001-07-24 lars brinkhoff <lars@nocrew.org>
6200 * rtl.texi (REG_POINTER): Document.
6201 (Machine Modes): Document BImode, OImode, PQImode, PHImode,
6202 QFmode, HFmode, TQFmode, QCmode, and HCmode.
6204 Tue Jul 24 10:49:40 CEST 2001 Jan Hubicka <jh@suse.cz>
6206 * flow.c (delete_noop_moves): Do not confuse libcall regions.
6208 2001-07-23 Richard Henderson <rth@redhat.com>
6210 * flow.c (try_simplify_condjump): Use tidy_fallthru_edge.
6212 2001-07-23 Kazu Hirata <kazu@hxi.com>
6214 * config/h8300/h8300-protos.h: Add a prototype for
6215 general_operand_dst_push.
6216 * config/h8300/h8300.c (general_operand_dst_push): New.
6217 * config/h8300/h8300.h (OK_FOR_T): New.
6218 (EXTRA_CONSTRAINT): Use it.
6219 * config/h8300/h8300.md (movqi_push): Remove and integrate into
6220 the existing movqi pattern.
6221 (movhi_push): Likewise.
6223 * reload.c: Fix comment typos.
6225 Mon Jul 23 23:34:07 CEST 2001 Jan Hubicka <jh@suse.cz>
6227 * gcse.c (cprop_insn): Update call of cprop_cc0_jump.
6229 2001-07-23 H.J. Lu (hjl@gnu.org)
6231 * doc/extend.texi: Update __builtin_return_address and
6232 __builtin_frame_address.
6234 2001-07-23 Richard Henderson <rth@redhat.com>
6236 * config/i386/i386.c (ix86_expand_setcc): Don't use method 0
6238 * config/i386/i386.md: New setcc+movzbl peephole2.
6240 2001-07-23 Neil Booth <neil@cat.daikokuya.demon.co.uk>
6242 * objc/Make-lang.in (objc-act.o): Depend on debug.h.
6243 * objc/objc-act.c: Include debug.h.
6244 (synth_module_prologue): Save and restore debug hooks too.
6246 2001-07-23 lars brinkhoff <lars@nocrew.org>
6248 * tm.texi (TARGET_FLOAT_FORMAT): Document IBM_FLOAT_FORMAT
6249 and C4X_FLOAT_FORMAT.
6250 (BOOL_TYPE_SIZE): Document.
6252 Mon Jul 23 11:54:23 2001 Clinton Popetz <cpopetz@cpopetz.com>
6254 * unroll.c (loop_iterations): Fix miscalculation of initial
6257 2001-07-13 Andrew Haley <aph@redhat.com>
6259 * doc/tm.texi (MD_CAN_REDIRECT_BRANCH): New macro.
6260 * config/sh/sh.h (MD_CAN_REDIRECT_BRANCH): New macro.
6261 * config/sh/sh.c (sh_can_redirect_branch): New function.
6262 * config/sh/sh-protos.h (sh_can_redirect_branch): Declare.
6263 * reorg.c (steal_delay_list_from_target): Use
6264 MD_CAN_REDIRECT_BRANCH to see if redirection is possible.
6266 Mon Jul 23 17:20:18 CEST 2001 Jan Hubicka <jh@suse.cz>
6268 * flow.c (try_simplify_condjump): Unlink insn chain on
6269 fallthru edge; use can_fallthru.
6271 Mon Jul 23 16:03:19 CEST 2001 Jan Hubicka <jh@suse.cz>
6273 * basic-block.h (find_sub_basic_block): Declare.
6274 * flow.c (make_edges): New arguments MIN and MAX;
6275 (find_sub_basic_blocks): Revamp to use make_edges
6276 and purge_dead_edges.
6277 (find_basic_blocks): Update call of find_sub_basic_block.
6279 * recog.c (split_all_insns): Always expect CFG to be consistent;
6280 call find_sub_basic_blocks in case something has changed.
6281 * toplev.c (rest_of_compilation): Always call split_all_insns once CFG
6284 * basic-block.h (delete_noop_moves): Declare.
6285 * combine.c (combine_instructions): Call it.
6286 (recog_for_combine): Tolerate noop moves
6287 (distribute_notes): Force refresh when register dies at noop move.
6288 * flow.c (delete_noop_moves): Use BB structure; delete JUMP insns
6290 (life_analysis): Update delete_noop_moves call.
6291 (set_noop_p): Move too ...
6292 * rtlanal.c (noop_move_p): ... here.
6293 * rtl.h (noop_move_p): Declare.
6295 * basic-block.h (purge_all_dead_edges, purge_dead_edges): New functions.
6296 * toplev.c (rest_of_compilation): Conditionally call purge_all_dead_edges
6298 * gcse.c (cprop_cc0_jump, cprop_insn): New argument "basic_block".
6299 (cprop_jump): Likewise; call purge_dead_edges if substitution suceeded.
6301 2001-07-23 Hans-Peter Nilsson <hp@bitrange.com>
6303 * reload.c (push_reload): Fix typo in comment.
6304 (find_reloads_address): Ditto.
6305 (reg_overlap_mentioned_for_reload_p): Ditto in head comment.
6307 2001-07-22 Richard Henderson <rth@redhat.com>
6309 * flow.c: Grammar check and clarify a lot of comments.
6310 (try_simplify_condjump): Rename variables to be clearer.
6311 (try_forward_edges): Skip complex and fallthru edges.
6312 Rearrange tests to avoid duplicate checks.
6313 (flow_find_cross_jump): Likewise.
6314 (outgoing_edges_match): Allow match if neither branch has
6315 probability data. Loosen probability match to 5%.
6316 (try_crossjump_to_edge): Hoist repeated indirection into
6318 (try_crossjump_bb): Don't check complex edges. Eliminate
6319 redundant crossjump tests.
6320 (try_optimize_cfg): Fix use of bool. Reorganize cheaper
6321 checks before more expensive checks.
6323 2001-07-22 Richard Henderson <rth@redhat.com>
6325 * fold-const.c (fold): Test vs FLOAT_TYPE_P instead of
6326 INTEGRAL_TYPE_P when folding comparisons with operand_equal_p
6329 2001-07-22 Richard Henderson <rth@redhat.com>
6331 * m68k.c (const_uint32_operand): Abort if mode is <= 32 bits.
6332 (const_sint32_operand): Likewise.
6333 * m68k.md (anon mulsi pattern): Use const_int_operand not
6334 const_sint32_operand.
6335 (umulsi3_highpart): Zero extend a constant input.
6336 (smulsi3_highpart): Don't bother checking SImode constant.
6337 (const_umulsi3_highpart): Give op3 DImode.
6338 (const_smulsi3_highpart): Likewise.
6340 2001-07-22 Richard Henderson <rth@redhat.com>
6342 * flow.c (split_block): Make sure bb_note is included in the
6343 new block when splitting before a label.
6345 Sun Jul 22 23:28:56 CEST 2001 Jan Hubicka <jh@suse.cz>
6347 * basic-block.h (redirect_edge_and_branch_force,
6348 redirect_edge_and_branch, block_label, forwarder_block_p): Declare.
6349 * flow.c (redirect_edge_and_branch_force,
6350 redirect_edge_and_branch, block_label, forwarder_block_p): Make global.
6351 (redirect_edge_and_branch_force): Fix copying of lifeness information.
6352 (block_label): Handle EXIT_BLOCK_PTR by returning NULL.
6353 * ifcvt.c (dead_or_predictable): Take BB as an new destionation
6354 instead of label; update CFG after transformation.
6355 (find_if_case_1): Update call, use redirect_edge_and_branch_force
6356 for finishing the transformation; handle even case where ELSE
6357 does not follow THEN.
6358 (find_if_case_2): Update call of dead_or_predictable; simplify
6361 * emit-rtl.c (split_branch_probability): New global variable.
6362 (try_split): Take care to set split_branch_probability and
6363 create REG_BR_PROB note for new jump insns.
6364 * md.texi (define_split): Document new feature.
6366 * i386.c (ix86_split_fp_branch): Redistribute branch probability notes.
6368 2001-07-22 Neil Booth <neil@daikokuya.demon.co.uk>
6370 * varasm.c: Don't inlcude dbxout.h, sdbout.h or xcoffout.h.
6371 (asm_out_file): Remove redundant declaration.
6372 (assemble_asm): Remove old #if 0 block.
6373 (assemble_variable): Remove end of function; debug output is
6374 now handled with global_decl. Remove old #if 0 block. Update.
6375 Remove saved_in_section and associated no-op code.
6376 * Makefile.in (varasm.o): Correct dependencies.
6378 Sun Jul 22 17:55:11 2001 Alexandre Oliva <aoliva@redhat.com>
6380 * config/i386/freebsd-aout.h (ASM_PREFERRED_EH_DATA_FORMAT): Use
6381 the definition in defaults.h.
6383 Sun Jul 22 21:31:04 CEST 2001 Jan Hubicka <jh@suse.cz>
6385 * jump.c: Update comments.
6386 (delete_barrier_successors, delete_unreferenced_labels,
6387 delete_noop_moves, tension_vector_labels, delete_from_jump_chain,
6388 delete_labelref_insn, redirect_tablejump, jump_optimize_1,
6389 jump_optimize, jump_optimize_minimal): Kill.
6390 (rebuild_jump_labels): Move code from jump_optimize_1.
6391 (purge_line_number_notes): Likewise.
6392 (copy_loop_headers): Likewise.
6393 * reg-stack.c: Update comment.
6395 * rtl.h (jump_optimize, jump_optimize_1, JUMP_NOOP_MOVES,
6396 JUMP_AFTER_REGSCAN): Kill.
6397 * toplev.c (rest_of_compilation): Use cleanup_cfg, call
6398 purge_line_number_notes and copy_loop_headers.
6400 2001-07-22 Neil Booth <neil@daikokuya.demon.co.uk>
6401 Richard Henderson <rth@redhat.com>
6403 * dbxout.c (dbxout_global_decl): New.
6404 (xcoff_debug_hooks, dbx_debug_hooks): Use it.
6405 * sdbout.c (sdbout_finish): New.
6406 (sdbout_debug_hooks): Use it, add comments.
6407 (sdbout_global_decl): Defer initialised public vars to
6409 * varasm.c (assemble_variable): Don't output debug information
6410 for file-scope variables.
6412 2001-07-22 Richard Henderson <rth@redhat.com>
6414 * config/alpha/alpha.c (get_trap_mode_suffix): New.
6415 (get_round_mode_suffix): New.
6416 (print_operand): Use them for [/]. Remove support for [&'`()+].
6417 * config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): Update.
6418 * config/alpha/alpha.md (attr round_suffix): New.
6419 (attr trap_suffix): New.
6420 (all insns): Set them appropriately. Use %/ instead of the
6423 2001-07-22 Neil Booth <neil@cat.daikokuya.demon.co.uk>
6425 * dbxout.c, sdbout.c, varasm.c: Revert most recent debug patch.
6427 2001-07-22 Richard Henderson <rth@redhat.com>
6429 * regrename.c (regrename_optimize): Compute nregs for each
6430 potential target register.
6432 2001-07-21 Neil Booth <neil@daikokuya.demon.co.uk>
6433 Richard Henderson <rth@redhat.com>
6435 * dbxout.c (dbxout_global_decl): New.
6436 (xcoff_debug_hooks, dbx_debug_hooks): Use it.
6437 * sdbout.c (sdbout_finish): New.
6438 (sdbout_debug_hooks): Use it, add comments.
6439 (sdbout_global_decl): Defer initialised public vars to
6441 * varasm.c (assemble_variable): Don't output debug information
6442 for file-scope variables.
6444 2001-07-21 H.J. Lu (hjl@gnu.org)
6446 * config/mips/mips.c (mips_cpu): Moved into ...
6447 (override_options): Here.
6449 * config/mips/mips.h (mips_cpu_attr): Replace mips_cpu with
6451 (mips_cpu): Removed.
6453 2001-07-21 Stephane Carrez <Stephane.Carrez@worldnet.fr>
6455 * config/m68hc11/m68hc11.md ("andqi3"): Accept d as second operand.
6456 ("iorqi3"): Likewise.
6457 ("xorqi3"): Likewise.
6458 ("*addhi3"): Fix constraint to avoid reloading in a soft register.
6459 ("*subhi3_sp): Likewise.
6460 ("*subhi3"): Likewise.
6461 ("extendhisi2"): Accept D, X and Y as source operand to avoid
6464 2001-07-21 Nathan Sidwell <nathan@codesourcery.com>
6466 * doc/tm.texi: Remove DEFAULT_VTABLE_THUNKS.
6467 * config/freebsd.h: Likewise.
6468 * config/linux.h: Likewise.
6469 * config/openbsd.h: Likewise.
6470 * config/alpha/linux-elf.h: Likewise.
6471 * config/arm/linux-elf.h: Likewise.
6472 * config/d30v/d30v.h: Likewise.
6473 * config/fr30/fr30.h: Likewise.
6474 * config/ia64/aix.h: Likewise.
6475 * config/ia64/ia64.h: Likewise.
6476 * config/mips/linux.h: Likewise.
6477 * config/pj/pj.h: Likewise.
6478 * config/rs6000/linux.h: Likewise.
6479 * config/sparc/linux.h: Likewise.
6480 * config/sparc/linux64.h: Likewise.
6482 2001-07-20 Bruce Korb <bkorb@gnu.org>
6484 * fixinc/fixincl.c(test_for_changes): force unsigned char comparisons
6485 because getc() and char* may disagree on signedness.
6487 2001-07-20 Richard Henderson <rth@redhat.com>
6489 * doc/rtl.texi (REG_DEAD): Update for current semantics.
6491 * flow.c (try_redirect_by_replacing_jump): Correctly compute which
6492 insns to delete in the presence of cc0 in a jump insn.
6494 Fri Jul 20 22:14:49 CEST 2001 Roman Zippel <zippel@linux-m68k.org>
6495 Jan Hubicka <jh@suse.cz>
6497 * m68k.md (zero_extend?i?i2 expander): Use gen_lowpart instead
6498 of doing the change by hand.
6500 Fri Jul 20 21:59:42 CEST 2001 Jan Hubicka <jh@suse.cz>
6502 * rtlanal.c (set_noop_p): Return true for noop jumps.
6504 * expr.c (emit_single_push_insn): Add call to push expander.
6505 * expr.h (optab_index): Add OTI_push
6506 (push_optab): New constant.
6507 * genopinit.c (optabs): Add push_optab.
6508 * optabs.c (init_optab): Init push optab.
6509 * md.texi (push??1): Document
6511 2001-07-20 Stephane Carrez <Stephane.Carrez@worldnet.fr>
6513 * config/m68hc11/m68hc11.md ("movdi", "movdi_internal"): Use an
6514 expand to emit the pattern; put a REG_INC note for push/pop
6516 ("movdf", "movdf_internal"): Likewise.
6517 ("movsi", "movsi_internal"): Likewise.
6518 ("movsf", "movsf_internal"): Likewise.
6519 ("movhi", "movqi"): Emit a REG_INC note for push/pop instructions.
6521 2001-07-20 Stephane Carrez <Stephane.Carrez@worldnet.fr>
6523 * config/m68hc11/m68hc11.c (m68hc11_gen_highpart): Don't use
6526 2001-07-20 Daniel Berlin <dan@cgsoftware.com>
6528 * params.def: Change default max inline insns to 100.
6530 2001-07-20 Diego Novillo <dnovillo@redhat.com>
6532 * combine.c (combine_simplify_rtx): Generate a new shift operation
6533 when simplifying the first operand of a (neg (ashift)) expression.
6535 2001-07-20 Roman Lechtchinsky <rl@cs.tu-berlin.de>
6537 * regclass.c (N_REG_INTS): Use only 32 bits per element.
6539 2001-07-20 Kelley Cook <kelley.cook@home.com>
6541 * doc/install.texi (sparc-sun-solaris*): Add in 4.x assembler bug
6542 information. Move rest into ...
6543 (*-*-solaris): ... here. Eliminate redundant information and
6544 reword necessary packages section. Delete 4.x assembler bug info.
6545 (sparc-sun-*): Merge into ...
6546 (sparc-sun-sunos*): here.
6548 2001-07-20 Catherine Moore <clm@redhat.com>
6550 * config/v850/v850.md (casesi): Generate LABEL_REF
6553 Fri Jul 20 14:12:57 CEST 2001 Jan Hubicka <jh@suse.cz>
6555 * i386-protos.h (ix86_zero_extend_to_Pmode): Declare.
6556 * i386.c (ix86_zero_extend_to_Pmode): Make global.
6557 * i386.md (strclrsi expander): Use it.
6559 Fri Jul 20 13:24:16 CEST 2001 Jan Hubicka <jh@suse.cz>
6561 * integrate.c (copy_insn_list): handle
6562 NOTE_INSN_DELETED_LABEL, as if it were CODE_LABEL.
6563 (copy_rtx_and_substitute): Likewise; behave to NOTE_INSN_DELETED_LABEL
6564 identically as to CODE_LABEL.
6566 * fold-const (fold): Convert A/B/C to A/(B*C) and
6569 * except.c (connect_post_landing_pads): Delete the RESX insns.
6571 2001-07-20 Aldy Hernandez <aldyh@redhat.com>
6573 * config/mips/mips.h (ISA_HAS_NMADD_NMSUB): New macro.
6575 * config/mips/mips.md (nmadd/nmsub): Use macro.
6577 2001-07-20 Nathan Sidwell <nathan@codesourcery.com>
6579 * cppinit.c (remove_dup_dir): Make static.
6580 (remove_dup_dirs): Make static. Only warn about preempting a
6581 system directory with a non-system directory.
6583 2001-07-19 Geoffrey Keating <geoffk@redhat.com>
6585 * ifcvt.c (noce_try_store_flag_constants): Correct order
6586 of parameters to trunc_int_for_mode.
6588 2001-07-19 Mark Mitchell <mark@codesourcery.com>
6590 * reorg.c (fill_simple_delay_slots): If an instruction might throw
6591 an exception that will be caught within this function, do not fill
6592 its delay slot with any subsequent instruction.
6594 2001-07-19 Steve Ellcey <sje@cup.hp.com>
6596 * tm.texi (POINTERS_EXTEND_UNSIGNED) Modify definition.
6597 * optabs.c (can_extend_p) Check HAVE_ptr_extend for a specialized
6598 pointer extension instruction.
6599 * combine.c (nonzero_bits,num_sign_bit_copies) Likewise.
6600 * simplify-rtx.c (simplify_unary_operation) Likewise.
6601 * explow.c (convert_memory_address) Check value of
6602 POINTERS_EXTEND_UNSIGNED to avoid some conversions when
6604 * config/ia64/t-hpux (LIBGCC, INSTALL_LIBGCC, MULTILIB_OPTIONS,
6605 MULTILIB_DIRNAMES, MULTILIB_MATCHES) Add multilib support.
6606 * config/ia64/hpux.h (CPP_SPEC, ASM_SPEC, SUBTARGET_SWITCHES)
6607 Add Multilib Support.
6608 (POINTERS_EXTEND_UNSIGNED) Define for ILP32 support.
6609 * config/ia64/ia64.h (MASK_ILP32, TARGET_ILP32, SUBTARGET_SWITCHES)
6610 Add Multilib Support.
6611 (POINTER_SIZE, LONG_TYPE_SIZE, MAX_LONG_TYPE_SIZE) Modify for ILP32
6613 * config/ia64/ia64.c (rtx_needs_barrier) Add support for addp4.
6614 * config/ia64/ia64.md (ptr_extend) New instruction to "swizzle"
6615 a 32 bit HP-UX pointer into a 64 bit HP-UX pointer.
6617 2001-07-19 Alexandre Oliva <aoliva@redhat.com>
6619 * simplify-rtx.c (simplify_replace_rtx): Try to obtain mode from
6620 old and new operands in `<', `3' and `b'.
6622 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
6624 * Makefile.in (emit-rtl.o, c-decl.o): Depend on debug.h.
6625 (final.o): Don't depend on xcoffout.h, dbxout.h or sdbout.h.
6626 (toplev.o): Don't depend on xcoffout.h.
6627 * c-decl.c: Include debug.h
6628 (duplicate_decls): Use debug hook.
6629 * dbxout.c (dbxout_source_file, dbxout_args): Make static.
6630 (dbx_debug_hooks, xcoff_debug_hooks): Update.
6631 (dbxout_types): Remove.
6632 * dbxout.h (dbxout_source_file, dbxout_types, dbxout_args): Remove.
6633 * debug.c (do_nothing_debug_hooks): Update.
6634 (debug_true_tree, debug_nothing_rtx): New.
6635 * debug.h (struct rtx_def): New.
6636 (struct gcc_debug_hooks): New hooks ignore_block,
6637 outlining_inline_function and label.
6638 (debug_true_tree, debug_nothing_rtx, dwarf2out_frame_init,
6639 dwarf2out_frame_finish): New.
6640 * dwarf2out.c (dwarf2out_ignore_block, dwarf2out_abstract_function):
6641 Make static, update prototype.
6642 (dwarf2_debug_hooks): Update.
6643 * dwarf2out.h (dwarf2out_ignore_block, dwarf2out_abstract_function,
6644 dwarf2out_frame_init, dwarf2out_frame_finish): Remove.
6645 * dwarfout.c (dwarf_debug_hooks): Update.
6646 * emit-rtl.c: Include debug.h.
6647 (remove_unnecessary_notes): Use debug hook.
6648 * final.c: Don't include dbxout.h, xcoffout.h or sdbout.h.
6649 (final_scan_insn): Use debug hook.
6650 * integrate.c (output_inline_function): Use debug hook.
6651 * sdbout.c (sdbout_toplevel_data, sdbout_label): Make static.
6652 (sdb_debug_hooks): Update.
6653 * sdbout.h (sdbout_label, sdbout_toplevel_data): Remove.
6654 * toplev.c: Don't include xcoffout.h.
6655 (note_outlining_of_inline_function, debug_ignore_block): Remove.
6656 * toplev.h (note_outlining_of_inline_function, debug_ignore_block):
6658 * tree.h (dwarf2out_do_frame): Remove.
6660 2001-07-19 Catherine Moore <clm@cygnus.com>
6662 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Restore.
6664 2001-07-19 Geoffrey Keating <geoffk@redhat.com>
6666 * reload1.c (eliminate_regs_in_insn): When updating a set
6667 to the frame pointer to the hardware frame pointer, perform
6668 the update always not just when REPLACE is set.
6670 * reload1.c (choose_reload_regs): Don't inherit a reload
6671 that crosses multiple registers if registers past the first
6672 don't fit in the desired class.
6674 * ifcvt.c (noce_try_store_flag_constants): Use trunc_int_for_mode
6675 when negating constants.
6677 2001-07-19 Toon Moene <toon@moene.indiv.nluug.nl>
6679 * tree.def: Document restriction on {L|R}SHIFT_EXPR's second argument.
6680 * doc/tree.texi: Ditto.
6682 2001-07-19 Mark Kettenis <kettenis@wins.uva.nl>
6683 Jakub Jelinek <jakub@redhat.com>
6685 * unwind-dw2.c (_Unwind_FrameState): Add eh_ptr.
6686 (extract_cie_info): Handle "eh" augmentation properly,
6688 (struct frame_state, __frame_state_for): New.
6690 2001-07-19 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6692 * config/alpha/osf.h (ASM_OUTPUT_WEAK_ALIAS, ASM_WEAKEN_LABEL,
6693 HANDLE_SYSV_PRAGMA): Define.
6694 * mips-tfile.c (add_ext_symbol): Pass complete symbol ptr, inline
6696 (copy_object): Caller changed.
6698 2001-07-19 Andreas Schwab <schwab@suse.de>
6700 * configure.in (assembler dwarf2 debug_line support): Define nop
6702 * configure: Regenerated.
6704 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
6706 * Makefile.in (toplev.o, dwarfout.o, final.o): Don't depend on
6708 * dbxout.c (dbxout_function): Rename dbxout_funciton_decl, move
6709 to conditionally compiled block.
6710 (dbx_debug_hooks, xcoff_debug_hooks): Update.
6711 * dbxout.h (dbxout_function): Remove.
6712 * debug.c (do_nothing_debug_hooks): Update.
6713 * debug.h (struct gcc_debug_hooks): New hooks function_decl,
6714 global_decl, deferred_inline_function.
6715 * dwarf2out.c (dwarf2_debug_hooks): Update.
6716 (dwarf2out_global_decl): New.
6717 * dwarfout.c: Don't include dwarfout.h.
6718 (dwarfout_global_decl, dwarfout_function_decl,
6719 dwarfout_deferred_inline_function): New.
6720 (dwarf_debug_hooks): Update.
6721 * dwarfout.h: Remove.
6722 * final.c: Don't include dwarfout.h.
6723 * sdbout.c (sdbout_global_decl): New.
6724 (sdbout_debug_hooks): Update.
6725 * toplev.c: Don't include dwarfout.h.
6726 (check_global_declarations, rest_of_compilation): Use new debug hooks.
6727 (note_deferral_of_defined_inline_function): Remove.
6728 * toplev.h (note_deferral_of_defined_inline_function): Remove.
6729 * ch/Makefile.in (lex.o): No dependence on dwarfout.h.
6730 * ch/lex.c: Don't include dwarfout.h.
6731 * cp/Make-lang.in (decl2.o): No dependence on dwarfout.h, dwarf2out.h.
6732 (semantics.o, optimize.o): Depend on debug.h not dwarfout.h.
6733 * cp/decl2.c: Don't include dwarfout.h and dwarf2out.h.
6734 * cp/optimize.c: Include debug.h.
6735 (maybe_clone_body): Use debug hook.
6736 * cp/semantics.c: Include debug.h.
6737 (expand_body): Use debug hook.
6738 * po/POTFILES.in: Remove dwarfout.h.
6740 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
6742 * c-lex.c (c_lex): Remove CPP_INT, CPP_FLOAT cases.
6743 * c-parse.in (yyerror, _yylex): Similarly.
6744 * cppexp.c (parse_number, parse_defined, lex, _cpp_parse_expr):
6745 Don't use CPP_INT, CPP_FLOAT; CPP_NUMBER is enough.
6747 * cpplib.h (CPP_INT, CPP_FLOAT): Remove.
6748 * cp/spew.c (read_token, yyerror): Remove CPP_INT, CPP_FLOAT cases.
6750 2001-07-18 Jeff Sturm <jsturm@one-point.com>
6752 * dwarf2out.c (dwarf2out_abstract_function): Don't emit
6753 in-class declaration at -g1. Fixes c++/2814.
6755 2001-07-18 Richard Henderson <rth@redhat.com>
6757 * doc/md.texi (reload_in/out): Document restrictions in predicates
6758 and constraints for these patterns. Document empty string matching
6761 2001-07-18 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6763 * defaults.h (ASM_OUTPUT_WEAK_ALIAS): Check for ASM_WEAKEN_LABEL.
6765 Wed Jul 18 20:47:36 CEST 2001 Jan Hubicka <jh@suse.cz>
6767 * cse.c: Undo my previous patch.
6769 2001-07-18 Tom Tromey <tromey@redhat.com>
6772 * configure: Rebuilt.
6773 * configure.in: Don't check for iconv.h or iconv(); use AM_ICONV
6775 * aclocal.m4 (AM_ICONV): New macro from Bruno Haible.
6777 Wed Jul 18 18:46:30 CEST 2001 Richard Henderson <rth@cygnus.com>
6778 Jan Hubicka <jh@suse.cz>
6780 * flow.c (redirect_edge_and_branch): Bail out on complex edges.
6781 (try_optimize_cfg): Do not remove tail recursive labels before sibcall.
6782 * jump.c (mark_jump_label): Do not forward branches.
6784 Wed Jul 18 18:35:01 CEST 2001 Jan Hubicka <jh@suse.cz>
6786 * cse.c (delete_trivially_dead_insns): Delete the libcall block
6787 when return value is unused.
6789 Wed Jul 18 18:28:16 CEST 2001 Jan Hubicka <jh@suse.cz>
6791 * gcse.c (pre_insert_copy_insn): Call update_ld_motion_stores.
6793 Wed Jul 18 12:05:29 2001 Nicola Pero <n.pero@mi.flashnet.it>
6795 * gthr-posix.h (__gthread_objc_mutex_trylock): Fixed return value
6796 on error. We can't blindly return the result of
6797 pthread_mutex_trylock because it returns a positive number on
6798 error, while we must return -1 on error.
6799 (__gthread_objc_mutex_lock, __gthread_objc_mutex_unlock): Similar
6801 Reported by Stephen Brandon <stephen@brandonitconsulting.co.uk>.
6803 2001-07-18 Andreas Jaeger <aj@suse.de>
6805 * integrate.c (output_inline_function): Correct type of debug_hooks.
6807 2001-07-18 Toon Moene <toon@moene.indiv.nluug.nl>
6809 * combine.c (combine_simplify_rtx): DIV can be treated
6810 associatively for floats if unsafe math optimisations are enabled.
6812 2001-07-17 Richard Henderson <rth@redhat.com>
6814 * reload.c (push_secondary_reload): Accept empty-string for ALL_REGS.
6816 2001-07-17 Richard Henderson <rth@redhat.com>
6818 * calls.c (prepare_call_address): New parameter SIBCALLP. If true,
6819 don't force the function address into a register.
6820 (expand_call, emit_library_call_value_1): Update callers.
6821 * builtins.c (expand_builtin_apply): Likewise.
6822 * expr.h (prepare_call_address): Update decl.
6824 2001-07-17 Chandrakala Chavva <cchavva@redhat.com>
6826 * config.gcc: For *-*-chorusos triplet, get chorus.h file from
6828 * config/i386/chorus.h: Move up.
6829 * config/sparc/chorus.h: Likewise.
6830 * config/rs6000/chorus.h: Likewise.
6831 * config/chorus.h: Moved here.
6833 2001-07-17 Andreas Schwab <schwab@suse.de>
6835 * configure.in (assembler eh_frame optimization): Handle big
6837 * configure: Regenerated.
6839 Tue Jul 17 23:43:31 CEST 2001 Jan Hubicka <jh@suse.cz>
6841 * expr.c (epxand_expr): Convert divisions into multiplications by
6842 reciprocals if -ffast-math.
6844 2001-07-17 Neil Booth <neil@daikokuya.demon.co.uk>
6846 * dbxout.c (dbxout_really_begin_function): Rename to
6847 dbxout_begin_function.
6848 (dbx_debug_hooks, xcoff_debug_hooks): Update.
6849 (dbxout_begin_function): Remove.
6850 (dbxout_function): Update.
6851 (dbxout_source_line): Update prototype.
6852 * dbxout.h (dbxout_begin_function): Remove.
6853 * debug.c (do_nothing_debug_hooks): Update.
6854 (debug_nothing_tree): Update.
6855 (debug_nothing_charstar_rtx): Remove.
6856 * debug.h (union tree_node): Declare.
6857 (struct rtx_def): Remove.
6858 (gcc_debug_hooks): New hooks begin_prologue, end_prologue,
6859 begin_function. Change source_line prototype.
6860 (debug_nothing_tree): New.
6861 (debug_nothing_charstar_rtx): Delete.
6862 (dwarf2out_begin_prologue): Moved from ...
6864 * dwarf2out.c (dwarf2_debug_hooks): Update.
6865 (dwarf2out_begin_prologue): Update prototype. If genuine dwarf2
6866 debug info, call dwarf2out_source_line.
6867 (dwarf2out_souce_line): Update prototype.
6868 * dwarfout.c (dwarfout_begin_function): Rename dwarfout_end_prologue.
6869 Change prototype, make static.
6870 (dwarfout_source_line): Update prototype.
6871 (dwarf_debug_hooks): Update.
6872 * dwarfout.h (dwarfout_begin_function): Remove.
6873 * final.c (final_start_function, final_scan_insn): Use appropriate
6874 debug hooks, update to use notice_source_line.
6875 (output_source_line): Rename notice_source_line. Don't call the
6876 source_line debug hook.
6877 * sdbout.c (sdbout_begin_function): Rename sdbout_begin_prologue,
6878 make static, update prototype.
6879 (sdbout_mark_begin_function): Rename sdbout_begin_function, update
6881 (sdbout_end_prologue): New.
6882 (sdbout_source_line): Update prototype.
6883 (sdbout_debug_hooks): Update.
6884 (sdbout_symbol): Remove unused var.
6885 * sdbout.h (sdbout_begin_function, sdbout_mark_begin_function):
6887 * varasm.c: Include debug.h.
6888 (assemble_start_function): Use begin_function debug_hook.
6889 * xcoffout.c (xcoffout_begin_prologue): Rename xcoffout_begin_function,
6890 update with prototype.
6891 (xcoffout_source_line): Update prototype.
6892 * xcoffout.h (xcoffout_begin_prologue): Rename xcoffout_begin_function,
6894 (xcoffout_source_line): Update prototype.
6896 2001-07-17 Richard Henderson <rth@redhat.com>
6898 * c-typeck.c (build_binary_op): Do not shorten unsigned
6899 right shift after sign extension.
6901 Tue Jul 17 16:56:05 CEST 2001 Jan Hubicka <jh@suse.cz>
6903 * combine.c (combine_simplify_rtx): Attempt to simplify
6904 a*(b/c) as (a*b)/c for floats in unsafe_math mode.
6906 * simplify-rtx.c (avoid_constatn_pool_reference): New static function.
6907 (simplify_binary_operation, simplify_unary_operation,
6908 simplify_relational_operation): Use it.
6910 * combine.c (combine_simplify_rtx): Don't do associative law
6911 on divisions; allow associative law on floats.
6913 2001-07-17 H.J. Lu <hjl@gnu.org>
6914 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6916 * c-pragma.h (HANDLE_PRAGMA_WEAK): Define iff ASM_WEAKEN_LABEL and
6917 ASM_OUTPUT_WEAK_ALIAS are defined.
6918 * defaults.h (ASM_OUTPUT_WEAK_ALIAS): Define if possible.
6919 * config/mips/iris6.h (ASM_OUTPUT_WEAK_ALIAS, ASM_WEAKEN_LABEL):
6921 * config/mips/iris5.h: ... here.
6922 (HANDLE_SYSV_PRAGMA): Defined as 1.
6923 * varasm.c (weak_finish): Use ASM_OUTPUT_WEAK_ALIAS.
6924 * doc/tm.texi (ASM_OUTPUT_WEAK_ALIAS): Support the undefined weak
6927 2001-07-17 Joseph S. Myers <jsm28@cam.ac.uk>
6929 * c-parse.in (all_prefix_attributes): New variable.
6930 (PUSH_DECLSPEC_STACK, POP_DECLSPEC_STACK): New macros.
6931 (maybe_resetattrs): New production.
6932 (c_parse_init, datadef, fndef, datadecl, setspecs, setattrs, decl,
6933 maybe_type_quals_setattrs, initdecls, notype_initdecls, initdcl,
6934 notype_initdcl, nested_function, notype_nested_function,
6935 component_decl, components, components_notype,
6936 component_declarator, component_notype_declarator,
6937 absdcl_maybe_attribute, parm, firstparm, setspecs_fp, ivar_decl,
6938 ivars, mydecl, myparm): Update. Avoid prefix attributes just
6939 after a comma being applied to more than one declarator.
6940 * doc/extend.texi (Attribute Syntax): Update. Remove
6941 documentation of bugs that are no longer present.
6943 2001-07-13 Eric Christopher <echristo@redhat.com>
6945 * config/mips/mips.h: Change TUNE_MIPS* options to use
6947 (EXTRA_SPECS): Add cc1_cpu_spec.
6948 * config/mips/mips.md (muldf3): Fix typo.
6950 2001-07-16 Richard Henderson <rth@redhat.com>
6952 * config/m68k/m68k.c: Include expr.h and reload.h.
6953 (print_operand_address) [16 bit int]: Cast INTVAL to int for %d.
6954 [general int]: Use HOST_WIDE_INT_PRINT_DEC.
6956 2001-07-16 Daniel Berlin <dan@cgsoftware.com>
6957 Richard Henderson <rth@redhat.com>
6959 * cse.c (set_live_p): Take INSN argument for cc0; update callers.
6960 (insn_live_p): Fix fall off end of function.
6961 (dead_libcall_p): Remove COUNTS argument; update callers.
6962 (delete_trivially_dead_insns): Remove unused variables.
6964 2001-07-17 Andreas Jaeger <aj@suse.de>
6966 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Fix output format for
6969 * lcm.c (optimize_mode_switching): Avoid warning for unused
6970 variable if !NORMAL_MODE.
6972 * flow.c (try_crossjump_to_edge): Remove unused variable.
6974 2001-07-16 John David Anglin <dave@hiauly1.hia.nrc.ca>
6976 * inclhack.def (ultrix_atexit_param): New hack to fix ultrix 4.3
6977 atexit declaration in stdlib.h.
6979 2001-07-16 Richard Begg <Richard.Begg@colesmyer.com.au>
6981 * fixinc/inclhack.def(hpux_vsnprintf): brokenness in stdio.h
6983 Mon Jul 16 22:48:00 CEST 2001 Jan Hubicka <jh@suse.cz>
6985 * basic-block.h (CLEANUP_PRE_SIBCALL): New constant.
6986 * except.c (finish_eh_generation): Update call of cleanup_cfg;
6987 do rebuild_jump_labels instead of jump_optimize
6988 * sibcall.c (optimize_sibling_and_tail_recursive_call): Likewise.
6989 * toplev.c (rest_of_compulation): Likewise for -Wreturn_type.
6990 * flow.c (try_optimize_cfg): Remove unneeded code_labels.
6992 * flow.c: Include timevar.h
6993 (find_basic_block): Push/pop timevar;
6994 (cleanup_cfg): Likewise.
6995 * timevar.def (TV_CFG, TV_CLEANUP_CFG): New.
6996 * Makefile: Add dependencies on timevar.h
6998 * integrate.c (save_for_inline): Kill all BASIC_BLOCK notes.
6999 (copy_insn_list): Avoid killing of BASIC_BLOCK notes.
7001 * rtl.h (delete_trivially_dead_insns): Add new parameter.
7002 * toplev.c (rest_of_compilation): Update calls.
7003 * cse.c (set_live_p, insn_live_p, dead_libcall_p): Break out from ...
7004 (delete_trivially_dead_insns): ... here; accept new argument
7005 preserve_basic_blocks; preserve basic blocks if set.
7007 * reg-stack.c (stack_regs_mentioned): Return 0 if
7008 stack_regs_mentioned_data is not initialized.
7009 (reg_to_stack): Make stack_regs_mentioned survive after the
7010 reg-stack is completted; do not call cleanup_cfg.
7011 * toplev.c (rest_of_compilation): Do cleanup_cfg before bb-reorder;
7012 make cleanup_cfg after bb-reorder to output to debug file.
7014 2001-07-16 Richard Henderson <rth@redhat.com>
7016 * regclass.c (init_reg_sets): Use only 32 bits per initializer
7017 from int_reg_class_contents.
7019 2001-07-16 Richard Henderson <rth@redhat.com>
7021 * hard-reg-set.h (regs_invalidated_by_call): Declare.
7022 * regclass.c (regs_invalidated_by_call): Move from cse.c.
7023 (init_reg_sets_1): Move initialization from cse_main.
7024 * cse.c (regs_invalidated_by_call): Move to regclass.c.
7025 (cse_main): Move its initialization also.
7026 * df.c (df_insn_refs_record): Use regs_invalidated_by_call.
7027 * flow.c (propagate_one_insn): Likewise.
7028 * gcse.c (compute_hash_table): Likewise.
7029 (compute_kill_rd, compute_store_table): Likewise.
7030 * sched-deps.c (sched_analyze_1): Likewise.
7032 Mon Jul 16 18:07:07 2001 J"orn Rennecke <amylaar@redhat.com>
7034 * gcse.c (pre_insert_copy_insn): Use gen_move_insn instead of
7037 2001-07-16 Steve Ellcey <sje@cup.hp.com>
7039 * dominance.c (calc_dfs_tree_nonrec): Reverse order of tests
7040 in if statement so we don't access undefined memory.
7042 2001-07-16 Daniel Berlin <dan@cgsoftware.com>
7044 * gcse.c: Update comment at top.
7045 Update comment on mem handling.
7046 mem_last_set, mem_first_set, mem_set_in_block: gone.
7047 Declaration of reg_set_info: gone.
7048 (oprs_unchanged_p): Don't use mem_*set_* anymore. They are
7049 pointless with load_killed_in_block_p (they are *more*
7050 conservative then it, not less, and less accurate).
7051 (oprs_not_set_p): Ditto.
7052 (alloc_gcse_mem): Don't allocate mem_set_in_block
7053 (free_gcse_mem): Don't free it, either.
7054 (record_last_mem_set_info): Update comment in front, remove
7055 mem_*set_* stuff. Note the reason we don't handle stores directly
7057 (compute_hash_table): Update comments to reflect reality. Remove
7058 mem_*set_* references.
7059 (reset_opr_set_tables): Remove mem_*set_* references.
7061 (mark_set): Ditto. Also remove double sets of bitmaps for REG's.
7062 (mark_clobber): Ditto (on both parts, we double set here too).
7063 (expr_killed_p): Remove mem_set_in_block test.
7064 (compute_transp): Remove mem_set_in_block test.
7066 * ssa-ccp.c: (optimize_unexecutable_edges): Add note about removal
7067 of edge, and removal of phi alternative to dump file.
7068 (ssa_ccp_substitute_constants): Add note about register now being
7069 constant, and which uses were replaced in what insns to dump file.
7071 2001-07-16 Andreas Jaeger <aj@suse.de>
7073 * gcov.c (output_data): Use HOST_WIDEST_INT_PRINT_DEC to output
7074 variables of type HOST_WIDEST_INT.
7076 * libgcc2.c (__bb_exit_func): Handle gcov_type as long long.
7077 (__bb_exit_func): Correct type of count_max to avoid overflow.
7078 (num_digits): Handle long long argument.
7080 * combine.c (gen_lowpart_for_combine): Remove unused variable.
7082 2001-07-16 Neil Booth <neil@cat.daikokuya.demon.co.uk>
7084 * output.h (sdb_begin_function_line): Restore as an extern
7086 * sdbout.c (sdb_begin_function_line): Make extern.
7088 2001-07-15 Richard Henderson <rth@redhat.com>
7090 * machmode.def (Pmode): Redefine if GENERATOR_FILE.
7091 * genrecog.c (maybe_both_true_mode): New.
7092 (maybe_both_true_2): Use it.
7093 (write_switch): Don't put Pmode in a switch.
7094 * rtl.c (mode arrays): Don't explicitly size them.
7096 Sun Jul 15 14:07:36 CEST 2001 Jan Hubicka <jh@suse.cz>
7098 * toplev.c (rest_of_compilation): Fix register_life_up_to_date
7099 handling; move unconditional splitting before mode switching.
7101 * i386.md (type): Add fistp type.
7102 (i387, length_attr, scheduling definitions): Handle this type.
7103 (fix_trunc?f?i2): Revamp to use mode switching.
7104 (fix_trunct?f?i_nonmemory, fix_trunc?f?i_memory): New patterns.
7105 * i386.h (fp_cw_mode): New enum
7106 (OPTIMIZE_MODE_SWITCHING, NUM_MODES_FOR_MODE_SWITCHING, MODE_NEEDED,
7107 MODE_PRIORITY_TO_MODE, ENUM_MODE_SET): New macros.
7109 Sun Jul 15 12:53:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7111 * Makefile.in (integrate.o): Add debug.h.
7112 * integrate.c (debug.h): Add.
7113 (output_inline_function): Save, reset, and restore debug_hooks.
7115 2001-07-15 Richard Henderson <rth@redhat.com>
7117 * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use CCmode
7118 instead of COMPARE for the EQUIV expression.
7120 2001-07-15 Richard Henderson <rth@redhat.com>
7122 * flow.c (redirect_edge_and_branch_force): Initialize
7123 global_live_at_start and global_live_at_end.
7124 (allocate_bb_life_data): Export.
7125 * basic-block.h (allocate_bb_life_data): Declare.
7126 * toplev.c (rest_of_compilation): Call it.
7128 2001-07-15 Richard Henderson <rth@redhat.com>
7130 * config/alpha/alpha.c (alpha_tablejump_addr_vec): New.
7131 (alpha_tablejump_best_label): New.
7132 * config/alpha/alpha-protos.h: Declare them.
7133 * config/alpha/alpha.md: Use braced strings for code blocks.
7134 (tablejump_osf): Break out add with r29.
7135 (tablejump_osf_internal): Remove.
7136 (tablejump_osf_nt_internal): Rename from tablejump_nt_internal,
7137 use alpha_tablejump_addr_vec and alpha_tablejump_best_label.
7139 Sun Jul 15 00:53:35 CEST 2001 Jan Hubicka <jh@suse.cz>
7141 * loop.c (scan_loop): Add USEs inside PARALLELs into dependencies
7144 * toplev.c (rest_of_compilation): Allow new pseudoes for mode switching.
7146 * i386-protos.h (ix86_split_fp_branch): Update prototype.
7147 (ix86_fp_jump_nontrivial_p): New.
7148 * i386.md (fp_jcc_?): Update call of split_fp_branch;
7149 use ix86_fp_jump_nontrivial_p.
7150 * i386.c (ix86_fp_jump_nontrivial_p): New.
7151 (ix86_split_fp_branch): Accept code instead of rtx.
7152 (ix86_expand_compare): Expand comparison early in case
7153 doing so is resonably cheap.
7155 2001-07-15 Nick Clifton <nickc@cambridge.redhat.com>
7157 * config/rs6000/sysv4.h (CPP_ENDIAN_BIG_SPEC): Assert 'endian'
7159 (CPP_ENDIAN_LITTLE_SPEC): Assert 'endian' not 'machine'.
7160 (CPP_ENDIAN_SOLARIS_SPEC): Assert 'endian' not 'machine'.
7162 2001-07-15 Neil Booth <neil@daikokuya.demon.co.uk>
7164 * dbxout.c (dbxout_source_line): Make static, update prototype.
7165 (dbx_debug_hooks, xcoff_debug_hooks): Add new hooks.
7166 (dbxout_init, dbxout_finish, dbxout_source_line,
7167 dbxout_begin_block, dbxout_end_block): Update for new prototypes.
7168 * dbxout.h (dbxout_source_line): Delete.
7169 * debug.c (debug_nothing_file, debug_nothing_file_int,
7170 debug_nothing_file_charstar_rtx): New.
7171 (do_nothing_debug_hooks): Update.
7172 (debug_nothing_void, debug_nothing_charstar_rtx,
7173 dwarf2out_end_epilogue): New.
7174 (debug_nothing_file_charstar, debug_nothing_file_int_int): Rename.
7175 * debug.h (struct rtx_def): Declare.
7176 (gcc_debug_hooks): New hooks source_line, end_epilogue
7178 (debug_nothing_void, debug_nothing_charstar_rtx,
7179 dwarf2out_end_epilogue): New.
7180 (debug_nothing_file_charstar, debug_nothing_file_int_int): Rename.
7181 * dwarf2out.c (dwarf2out_source_line): Make static, update prototype.
7182 (dwarf2_debug_hooks): Update.
7183 (dwarf2out_init, dwarf2out_finish, dwarf2out_source_line,
7184 dwarf2out_begin_block, dwarf2out_end_block): Update for new prototypes.
7185 * dwarf2out.h (dwarf2out_source_line): Remove.
7186 * dwarfout.c (dwarfout_end_epilogue, dwarfout_end_function):
7187 Make static, update prototype.
7188 (dwarfout_init, dwarfout_finish, dwarfout_source_line,
7189 dwarfout_begin_block, dwarfout_end_block): Update for new prototypes.
7190 (dwarf_debug_hooks): Update.
7191 * dwarfout.h (dwarfout_end_epilogue, dwarfout_source_line,
7192 dwarfout_end_function): Remove.
7193 * final.c (profile_function): Use debug hooks for ending functions
7195 (output_source_line, final_end_function): Update prototype,
7197 (final_start_function, final_scan_insn): Update.
7198 * output.h (sdb_begin_function_line): Remove.
7199 (final_end_function): Update prototype.
7200 * sdbout.c (sdb_begin_function_line): Make static.
7201 (PUT_SDB_EPILOGUE_END): Move to sdbout_end_epilogue.
7202 (sdbout_source_line): New.
7203 (sdbout_end_epilogue, sdbout_end_function): Make static, update
7205 (sdb_debug_hooks): Update.
7206 (sdbout_init, sdbout_source_line,
7207 sdbout_begin_block, sdbout_end_block): Update for new prototypes.
7208 * sdbout.h (sdbout_end_epilogue, sdbout_end_function): Remove.
7209 * toplev.c (compile_file, rest_of_compilation): Update.
7210 * tree.h (dwarf2out_end_epilogue): Move to debug.h.
7211 * xcoffout.c (xcoffout_source_line, xcoffout_begin_block,
7212 xcoffout_end_block, xcoffout_end_epilogue, xcoffout_end_function):
7213 Update for prototype changes.
7214 * xcoffout.h (xcoffout_source_line, xcoffout_begin_block,
7215 xcoffout_end_block, xcoffout_end_epilogue): Update prototypes.
7217 2001-07-15 Richard Henderson <rth@redhat.com>
7219 * config/alpha/alpha.h (TARGET_ABI_OSF): New.
7220 (TARGET_ABI_WINDOWS_NT, TARGET_ABI_OPEN_VMS): Rename; update users.
7221 * config/alpha/alpha-protos.h: Update TARGET_ABI_* users.
7222 * config/alpha/alpha.c: Likewise.
7223 * config/alpha/alpha.md: Likewise.
7224 * config/alpha/alpha32.h: Likewise.
7225 * config/alpha/vms.h: Likewise.
7228 2001-07-14 Richard Henderson <rth@redhat.com>
7230 * config/alpha/alpha.md: Use define_constants for unspec values.
7231 Substitute throughout.
7233 2001-07-14 Tim Josling <tej@melbpc.org.au>
7235 * tree.def (EXPON_EXPR) remove. Never supported anyway.
7237 2001-07-14 John David Anglin <dave@hiauly1.hia.nrc.ca>
7239 * pa.md: Remove unused constraints from define_split's.
7241 2001-04-14 Richard Henderson <rth@redhat.com>
7243 * ifcvt.c (find_cond_trap): Test for exit block.
7245 Sun Jul 15 00:50:20 CEST 2001 Jan Hubicka <jh@suse.cz>
7247 Re-install recently reverted patch.
7248 * emit-rtl.c (try_split): Update mark_jump_label call.
7249 * flow.c (find_sub_basic_blocks): Likewise.
7250 * jump.c (cross_jump_death_matters, find_cross_jump, do_cross_jump,
7252 (mark_all_labels): Kill second parameter.
7253 (jump_optimize, jump_optimize_1): Kill cross_jump parameter.
7254 (rebuild_jump_labels, jump_optimize_minimal): Update call
7256 (jump_optimize_1): Kill crossjumping code.
7257 (mark_jump_label): Kill cross_jump parameter.
7258 * rtl.h (mark_jump_label, jump_optimize): Update prototypes.
7259 (JUMP_CROSS_JUMP, JUMP_CROSS_JUMP_DEATH_MATTERS): Kill.
7260 * reg-stack.c (reg_to_stack): Do not rebuild if not needed; do
7262 * toplev.c (enum dump_file_index): Kill DFI_jump2; put DFI_stack before
7264 (dump_file_info): Likewise.
7265 (rest_of_compilation): Update calls to jump_optimize; kill jump2 pass;
7266 reorganize passes to do reg-stack first, bb-reorder second.
7267 * invoke.texi (-d letters doc): Remove the jump2 pass.
7269 2001-07-14 Richard Henderson <rth@redhat.com>
7271 * ifcvt.c (find_cond_trap): New.
7272 (find_if_header): Call it.
7273 (merge_if_block): Relax existing jump sanity check.
7274 * jump.c (jump_optimize_1): Remove conditional trap handling.
7276 2001-07-14 Alan Modra <amodra@bigpond.net.au>
7278 * config/pa/pa.c (emit_hpdiv_const): Return reg is r2 for 64-bit
7280 (insn_refs_are_delayed): Correct comment.
7281 * config/pa/pa.h (INSN_REFERENCES_ARE_DELAYED): Likewise.
7282 * config/pa/pa.md (mulsi3): If TARGET_64BIT, clobber r2
7283 instead of r31. Make associated insn !TARGET_64BIT, and
7284 provide an additional 64-bit insn that clobbers r2.
7286 (udivsi3): Likewise.
7288 (umodsi3): Likewise.
7290 Sat Jul 14 02:58:38 CEST 2001 Jan Hubicka <jh@suse.cz>
7292 * bb-reorder.c (skip_insn_after_block): Get past the line number notes.
7294 * flow.c (redirect_edge_and_branch_force, split_edge,
7295 try_crossjump_to_edge): Use set_block_for_new_insns.
7296 * bb-reorder.c (emit_jump_to_block_after): Call set_block_for_new_insns.
7298 2001-07-13 H.J. Lu (hjl@gnu.org)
7300 * config/elfos.h (UNIQUE_SECTION): Enable .bss section with
7303 2001-07-13 Geoffrey Keating <geoffk@redhat.com>
7305 Revert H.J. Lu's UNIQUE_SECTION patch of 2001-07-13.
7307 2001-07-13 Joseph S. Myers <jsm28@cam.ac.uk>
7309 * c-common.c (decl_attributes): Take a pointer to the node to
7310 which attributes are to be attached, and a flags argument.
7311 * c-common.h (enum attribute_flags): New.
7312 (decl_attributes): Update prototype.
7313 * c-decl.c (start_decl, push_parm_decl, finish_struct,
7314 finish_enum, start_function): Update calls to decl_attributes.
7315 * c-parse.in (component_declarator, component_notype_declarator,
7316 label): Update calls to decl_attributes.
7318 Fri Jul 13 23:04:00 2001 Denis Chertykov <denisc@overta.ru>
7320 * config/avr/avr.md (strlenhi): PARALLEL keyword removed.
7321 * config/avr/avr.c (legitimate_address_p): Return value changed
7322 from letter to register classes. For better debugging.
7324 2001-07-13 Kazu Hirata <kazu@hxi.com>
7326 * jump.c (reversed_comparison_code_parts): Fix comment typos.
7328 2001-07-13 H.J. Lu (hjl@gnu.org)
7330 * config/elfos.h (UNIQUE_SECTION): Enable .bss section.
7332 2001-07-13 Marc Espie <espie@cvs.openbsd.org>
7334 * config.gcc (*-*-openbsd*): Add fragment to compile libgcc
7335 correctly for shared configurations.
7336 * config/t-libgcc-pic: New.
7337 * config/{i386,m68k,sparc}/t-openbsd: New.
7338 * config/openbsd.h: Include cpu_spec in cpp_spec where needed.
7339 Support -shared. Support debugging libraries with -g.
7340 * config/i386/openbsd.h: Correct ASM_COMMENT_START. Ensure dwarf2
7341 frame information does not emit pointer diffs.
7342 * config/sparc/openbsd.h: Ensure dwarf2 frame information does not
7345 2001-07-13 Geoffrey Keating <geoffk@redhat.com>
7347 Revert Jan Hubicka's patch of Fri Jul 13 14:46:21 CEST 2001.
7349 2001-07-13 David Edelsohn <edelsohn@gnu.org>
7351 * combine.c (try_combine): Ensure const_int pow2 is positive.
7353 2001-07-13 Hartmut Penner <hpenner@de.ibm.com>
7355 * config.gcc: Add configuration for s/390.
7356 * config/s390/s390.c: New. Subroutines for code generation.
7357 * config/s390/s390.h: New. Definitions for s/390.
7358 * config/s390/s390-protos.h: New. Prototypes.
7359 * config/s390/linux.h: New. Definitions for linux for s/390.
7360 * config/s390/linux64.h: New. Definitions for linux for zSeries.
7361 * config/s390/t-linux: New. Makefile fragment.
7362 * config/s390/s390.md: New. Machine description for s/390 and zSeries.
7363 * config/s390/fixdfdi.h: New. Fix L_fix*di.
7365 Fri Jul 13 14:46:21 CEST 2001 Jan Hubicka <jh@suse.cz>
7367 * emit-rtl.c (try_split): Update mark_jump_label call.
7368 * flow.c (find_sub_basic_blocks): Likewise.
7369 * jump.c (cross_jump_death_matters, find_cross_jump, do_cross_jump,
7371 (mark_all_labels): Kill second parameter.
7372 (jump_optimize, jump_optimize_1): Kill cross_jump parameter.
7373 (rebuild_jump_labels, jump_optimize_minimal): Update call
7375 (jump_optimize_1): Kill crossjumping code.
7376 (mark_jump_label): Kill cross_jump parameter.
7377 * rtl.h (mark_jump_label, jump_optimize): Update prototypes.
7378 (JUMP_CROSS_JUMP, JUMP_CROSS_JUMP_DEATH_MATTERS): Kill.
7379 * reg-stack.c (reg_to_stack): Do not rebuild if not needed; do
7381 * toplev.c (enum dump_file_index): Kill DFI_jump2; put DFI_stack before
7383 (rest_of_compilation): Update calls to jump_optimize; kill jump2 pass;
7384 reorganize passes to do reg-stack first, bb-reorder second.
7385 * invoke.texi (-d letters doc): Remove the jump2 pass.
7387 2001-07-12 Steve Ellcey <sje@cup.hp.com>
7389 * toplev.c (compile_file): Put call of ASM_FILE_START inside ifdef.
7391 Thu Jul 12 17:57:16 CEST 2001 Jan Hubicka <jh@suse.cz>
7393 * flow.c (try_optimize_cfg): Delete whole chain of trivially dead
7395 (verify_flow_info): Make diagnostics prettier.
7397 Thu Jul 12 16:48:54 CEST 2001 Jan Hubicka <jh@suse.cz>
7399 * flow.c (find_basic_blocks_1): Do not emit NOP after call.
7401 * flow.c (outgoing_edges_match): Return early if condition reversal
7404 2001-07-06 Richard Sandiford <rsandifo@redhat.com>
7406 * config/mips/mips.c (print_operand): Extend '%D' to memory operands.
7407 (mips_move_2words): When splitting a move into two instructions,
7408 prefix the second address operand with '%D'.
7410 2001-07-12 Neil Booth <neil@daikokuya.demon.co.uk>
7412 * Makefile.in (final.o): Depend on debug.h.
7413 * dbxout.c (dbxout_begin_block, dbxout_end_block): New.
7414 (dbx_debug_hooks): Add new hooks.
7415 (xcoff_debug_hooks): New.
7416 * debug.c (debug_nothing_file_int_int): New.
7417 (do_nothing_debug_hooks): Update.
7418 * debug.h (gcc_debug_hooks): New hooks begin_block and end_block.
7419 (debug_nothing_file_int_int): New.
7420 * dwarf2out.c (dwarf2out_begin_block, dwarf2out_end_block): Make
7421 static, update prototype.
7422 (dwarf2_debug_hooks): Update.
7423 * dwarf2out.h (dwarf2out_begin_block, dwarf2out_end_block): Remove.
7424 * dwarfout.c (dwarfout_begin_block, dwarfout_end_block): Make
7425 static, update prototype.
7426 (dwarf_debug_hooks): Update.
7427 * dwarfout.h (dwarfout_begin_block, dwarfout_end_block): Remove.
7428 * final.c: Include debug.h.
7429 (final_scan_insn): Use debug hooks when beginning and ending blocks.
7430 * sdbout.c (sdbout_begin_block, sdbout_end_block): Make
7431 static, update prototype.
7432 (sdb_debug_hooks): Update.
7433 * sdbout.h (sdbout_begin_block, sdbout_end_block): Remove.
7434 * toplev.c: Distinguish between xcoff and dbx.
7436 * f/lex.c (ffelex_file_pop_, ffelex_file_push_, ffelex_hash_):
7437 Call all debug hooks, not just dwarf ones.
7439 2001-07-11 Timothy Wall <twall@redhat.com>
7441 * config.gcc: Add configuration for AIX5/IA64.
7442 * config/ia64/aix.h: New. AIX5/IA64-specific configuration.
7443 * config/ia64/crt[in].asm: New. Generic static ctor/dtor
7444 support prefix/suffix code.
7445 * config/ia64/t-aix: New. Makefile fragment.
7446 * config/ia64/unwind-aix.c: New. Unwind table entry lookup.
7448 2001-07-11 Kazu Hirata <kazu@hxi.com>
7450 * recog.c (validate_change): Fix a comment typo.
7452 2001-07-11 Neil Booth <neil@daikokuya.demon.co.uk>
7454 * Makefile.in (c-lex.o): Wrap long lines. Depend on debug.h.
7455 * c-lex.c (cb_file_change, cb_define, cb_undef): Use debug
7457 * dbxout.c (dbx_debug_hooks): Add new hooks.
7458 (dbxout_start_new_source_file): Rename dbxout_start_source_file,
7460 (dbxout_resume_previous_source_file): Rename dbxout_end_source_file,
7462 * dbxout.h (dbxout_start_new_source_file,
7463 dbxout_resume_previous_source_file): Delete.
7464 * debug.c (do_nothing_debug_hooks): Add new hooks.
7465 (debug_nothing_init_finish): Rename debug_nothing_file_charstar.
7466 (debug_nothing_int_charstar, debug_nothing_int): New.
7467 * debug.h (gcc_debug_hooks): New hooks define, undef,
7468 start_source_file and end_source_file.
7469 (debug_nothing_init_finish): Rename debug_nothing_file_charstar.
7470 (debug_nothing_int_charstar, debug_nothing_int): New.
7471 * dwarf2out.c (dwarf2_debug_hooks): Add new hooks. Move into
7472 the conditionally compiled section.
7473 (dwarf2out_start_source_file, dwarf2out_end_source_file,
7474 dwarf2out_define, dwarf2out_undef): Make static.
7475 * dwarf2out.h (dwarf2out_start_source_file, dwarf2out_end_source_file,
7476 dwarf2out_define, dwarf2out_undef): Remove.
7477 * dwarfout.c (dwarf_debug_hooks): Add new hooks.
7478 (dwarfout_start_source_file, dwarfout_end_source_file,
7479 dwarfout_define, dwarfout_undef): Make static.
7480 (dwarfout_start_source_file_check,
7481 dwarfout_end_source_file_check): New.
7482 (dwarfout_define, dwarfout_finish): Update.
7483 * dwarfout.h (dwarfout_start_new_source_file,
7484 dwarfout_resume_previous_source_file, dwarfout_define,
7485 dwarfout_undef): Remove.
7486 * sdbout.c (sdb_debug_hooks): Add new hooks.
7487 (sdbout_start_new_source_file): Rename sdbout_start_source_file,
7489 (sdbout_resume_previous_source_file): Rename sdbout_end_source_file,
7490 make static, take an arg.
7491 * sdbout.h (sdbout_start_new_source_file,
7492 sdbout_resume_previous_source_file): Delete.
7493 * toplev.c (debug_start_source_file, debug_end_source_file,
7494 debug_define, debug_undef): Delete.
7495 * toplev.h (debug_start_source_file, debug_end_source_file,
7496 debug_define, debug_undef): Delete.
7498 * java/jcf-parse.c: Include debug.h.
7499 (parse_class_file): Update to use debug hooks directly.
7500 * java/Make-lang.in (jcf-parse.o): Depend on debug.h.
7502 Wed Jul 11 10:07:18 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7504 * alias.c (set_mem_alias_set): New function.
7505 * rtl.h (set_mem_alias_set): Declare it.
7506 * builtins.c (expand_builtin_return_addr): Call it instead of
7507 using MEM_ALIAS_SET accessor.
7508 (expand_builtin_setjmp_setup, expand_builtin_longjmp): Likewise.
7509 (get_memory_rtx, expand_builtin_va_arg): Likewise.
7510 (expand_builtin_va_copy):Likewise.
7511 * caller-save.c (setup_save_areas): Likewise.
7512 * calls.c (compute_argument_addresses): Likewise.
7513 * explow.c (set_mem_attributes): Likewise.
7514 * expr.c (emit_single_push_insn, emit_push_insn): Likewise.
7515 (expand_assignment, store_constructor_field, store_field): Likewise.
7516 (expand_expr_unaligned): Likewise.
7517 * function.c (assign_stack_temp_for_type): Likewise.
7518 (put_reg_into_stack, gen_mem_addressof): Likewise.
7519 * ifcvt.c (noce_try_cmove_arith): Likewise.
7520 * reload1.c (reload, alter_reg): Likewise.
7521 * config/alpha/alpha.c (get_aligned_mem): Likewise.
7522 (alpha_set_memflags_1, alpha_expand_unaligned_load): Likewise.
7523 (alpha_expand_unaligned_store): Likewise
7524 (alpha_expand_unaligned_load_words): Likewise.
7525 (alpha_expand_unaligned_store_words): Likewise.
7526 (alpha_expand_block_clear, alpha_expand_prologue): Likewise.
7527 (alpha_expand_epilogue): Likewise.
7528 * config/arc/arc.c (arc_setup_incoming_varargs): Likewise.
7529 * config/clipper/clipper.c (clipper_builtin_saveregs): Likewise.
7530 * config/i386/i386.c (legitimize_pic_address): Likewise.
7531 * config/i960/i960.c (setup_incoming_varargs): Likewise.
7532 * config/ia64/ia64.c (spill_restore_mem): Likewise.
7533 * config/m32r/m32r.c (m32r_setup_incoming_varargs): Likewise.
7534 * config/m8k/m88k.c (m88k_builtin_saveregs): Likewise.
7535 * config/mips/mips.c (mips_va_arg): Likewise.
7536 * config/mn10300/mn10300.c (mn10300_builtin_saveregs): Likewise.
7537 * config/pa/pa.c (hppa_builtin_saveregs): Likewise.
7538 * config/rs6000/rs6000.c (rs6000_emit_move): Likewise.
7539 (setup_incoming_varargs, rs6000_va_arg): Likewise.
7540 (rs6000_emit_eh_toc_restore, rs6000_emit_prologue): Likewise.
7541 (rs6000_emit_epilogue): Likewise.
7542 * config/sh/sh.c (sh_builtin_saveregs): Likewise.
7543 * config/sparc/sparc.c (sparc_va_arg): Likewise.
7544 * config/v850/v850.c (v850_va_arg): Likewise.
7546 Wed Jul 11 21:27:25 CEST 2001 Jan Hubicka <jh@suse.cz>
7548 * flow.c (merge_blocks_move_successor_nojumps): Do not crash
7549 when fallthru edge is present.
7550 (mege_blocks): Handle case where creation of jump insn
7553 * basic-block.h (CLEANUP_EXPENSIVE, CLEANUP_CROSSJUMP,
7554 CLEANUP_POST_REGSTACK): New constants.
7555 * except.c (finish_eh_generation): Update call of cleanup_cfg,
7556 * jump.c (rtx_renumbered_equal_p): Handle 't' fields.
7557 * output.h (cleanup_cfg): Update prototype.
7558 * reg-stack.c (reg_to_stack): Use cleanup_cfg instead of jump_optimize
7559 * sibcall.c (optimize_sibling_and_tail_recursive_call): Update
7560 cleanup_cfg call; kill missleading comment.
7561 * toplev.c (rest_of_compilation): Update all cleanup_cfg calls.
7562 * flow.c (merge_blocks, try_optimize_cfg, cleanup_cfg): Accept mode
7563 parameter; control optimizations performed using it.
7564 (flow_find_cross_jump, outgoing_edges_match, try_crossjump_to_edge,
7565 try_crossjump_bb): New functions.
7567 2001-07-11 John David Anglin <dave@hiauly1.hia.nrc.ca>
7569 * pa.c (pa_output_function_prologue): Delete prototype. Make function
7571 * pa.h (ASM_OUTPUT_MI_THUNK): Rename output_function_prologue to
7572 pa_output_function_prologue.
7573 * pa-protos.h (pa_output_function_prologue): New prototype.
7575 2001-07-11 John David Anglin <dave@hiauly1.hia.nrc.ca>
7577 * stmt.c (emit_case_nodes): Widen high and low instead of new_bound
7578 and low to get correct sign extension in low+high test.
7580 2001-07-11 Janis Johnson <janis@us.ibm.com>
7582 * gcov.c (arcdata): Use gcov_type to fix branch percentage
7583 for large hit count.
7585 * profile.c (branch_prob): Fix .bbg info for computed gotos
7588 2001-07-11 Mark Mitchell <mark@codesourcery.com>
7590 * stmt.c (parse_output_constraint): New function, split out
7592 (expand_asm_operands): ... here. Use parse_output_constraint.
7593 * tree.h (parse_output_constraint): Declare it.
7595 2001-07-11 Richard Henderson <rth@redhat.com>
7597 * bitmap.c: Comment some functions; fiddle whitespace.
7598 (bitmap_free): Don't export.
7599 (bitmap_element_allocate): Use memset.
7600 * bitmap.h (bitmap_free): Don't declare.
7602 2001-07-11 Daniel Berlin <dan@cgsoftware.com>
7604 * gcse.c, lcm.c, sched-deps.c:
7605 s/free on sbitmap vectors/sbitmap_vector_free on sbitmap vectors/g
7607 * flow.c (flow_loops_find): Free dom if we found no loops, since
7608 we aren't going to save it.
7610 * lcm.c (pre_edge_rev_lcm): Free st_antin, st_antout when we are
7613 Wed Jul 11 09:00:48 2001 Jeffrey A Law (law@cygnus.com)
7615 * ssa-ccp.c (ssa_fast_dce): Free worklist when completed.
7617 Wed Jul 11 10:07:18 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7619 * dwarf2out.c (dwarf2out_init, dwarf2out_finish): Add dummy version
7620 #ifndef DWARF2_DEBUGGING_INFO.
7622 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
7624 * simplify-rtx.c (simplify_gen_subreg): Return null for QUEUED rtxes.
7626 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
7628 * config/mips/mips.c (gen_int_relational): Tell the caller not to
7629 reverse a branch if a NE comparison is implemented with GTU.
7631 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
7632 H.J. Lu <hjl@gnu.org>
7634 * mips.md (call_internal1): Use CONSTANT_ADDRESS_P to check for
7636 (call_internal2): Likewise.
7637 (call_value_internal1): Likewise.
7638 (call_value_internal2): Likewise.
7639 (call_value_multiple_internal1): Likewise.
7640 (call_value_multiple_internal2): Likewise.
7642 2001-07-10 Kazu Hirata <kazu@hxi.com>
7644 * calls.c (emit_library_call_value_1): Fix a comment typo.
7645 * dwarf2out.c (mem_loc_descriptor): Likewise.
7646 * config/i386/i386.c (ix86_expand_aligntest): Likewise.
7648 2001-07-11 David Billinghurst <David.Billinghurst@riotinto.com>
7650 * simplify-rtx.c (simplify_subreg): Fix typo in comment
7652 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7654 * recog.c (offsettable_address_p): Handle LO_SUM case.
7655 * config/mips/mips.c (double_memory_operand): Use adjust_address_nv
7656 instead of plus_constant.
7658 2001-07-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
7660 * reload1.c (merge_assigned_reloads): After a RELOAD_OTHER merge,
7661 fix setting of the reloads of that reload to RELOAD_FOR_OTHER_ADDRESS.
7663 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7665 * config/rs6000/rs6000.c (print_operand, case 'L', 'Y', 'Z'): Use
7666 adjust_address_nv instead of plus_constant.
7668 2001-07-10 Neil Booth <neil@daikokuya.demon.co.uk>
7670 * Makefile.in (toplev.o, sdbout.o, dbxout.o, dwarfout.o,
7671 dwarf2out.o): Depend on debug.h, wrap long lines.
7672 * dbxout.c: Include debug.h.
7673 (dbx_debug_hooks): New.
7674 (dbxout_init): Make static, take just 2 args.
7675 (dbxout_finish): Make static.
7676 * dbxout.h (dbxout_init, dbxout_finish): Delete.
7677 * debug.c: New file.
7678 * debug.h: New file.
7679 * dwarf2out.c: Include debug.h.
7680 (dwarf2_debug_hooks): New.
7681 (dwarf2out_init): Make static.
7682 (dwarf2out_finish): Make static, take 2 args.
7683 * dwarf2out.h (dwarf2out_init, dwarf2out_finish): Delete.
7684 * dwarfout.c: Include debug.h.
7685 (dwarf_debug_hooks): New.
7686 (dwarfout_init): Make static.
7687 (dwarfout_finish): Make static, take 2 args.
7688 * dwarfout.h (dwarfout_init, dwarfout_finish): Delete.
7689 * sdbout.c: Include debug.h.
7690 (sdb_debug_hooks): New.
7691 (sdbout_init): Make static, take 2 args.
7692 * sdbout.h (sdbout_init): Delete.
7693 * toplev.c: Include debug.h.
7695 (compile_file): Set deubg_hooks based on command line options.
7696 Use the hooks unconditionally rather than conditional compilation.
7698 Tue Jul 10 09:04:45 2001 Jeffrey A Law (law@cygnus.com)
7700 * ssa-ccp.c (first_phi_node): Remove. Replace uses with calls to
7701 first_insn_after_basic_block_note instead.
7703 * df.c (df_bb_refs_unlink): #if 0 out for now.
7705 2001-07-10 David Billinghurst <David.Billinghurst@riotinto.com
7707 * ssa.h: Add prototype for ssa_const_prop
7708 * ssa-ccp.c: Add prototype for ssa_fast_dce and mark_references
7709 (ssa_ccp_substitute_constants): Fix signed vs unsigned comparison
7710 (ssa_fast_dce): Remove unused variable
7712 2001-07-10 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
7714 * diagnostic.c (finish_diagnostic): Rename to
7715 diagnostic_finish. Make it take an 'output_buffer *'. Adjust
7718 2001-07-10 Jason Merrill <jason_merrill@redhat.com>
7720 * dwarf2out.c (dwarf2out_line): Emit -dA comment even when we have
7723 * collect2.c (main): Set COLLECT_NO_DEMANGLE for subprocesses.
7724 (dump_file): Only pad the demangled name with spaces if the
7725 mangled name was padded with spaces.
7727 2001-07-10 Bernd Schmidt <bernds@redhat.com>
7729 * bb-reorder.c (make_reorder_chain_1): Correct branch/fallthru
7732 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7734 * expr.c (expand_expr, case COMPONENT_REF): Don't force using bitfield
7735 extraction if no direct load if either EXPAND_CONST_ADDRESS or
7738 * emit-rtl.c (adjust_address, adjust_address_nv): Change criteria for
7739 whether can put offset inside LO_SUM to check mode alignment, not size.
7741 2001-07-10 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
7743 * doc/tm.texi (Misc): Fix thinko.
7745 2001-07-10 Jan van Male <jan.vanmale@fenk.wau.nl>
7747 * regmove.c (replace_in_call_usage): Fix warnings.
7748 * sched-deps.c (add_dependence): Fix warnings.
7749 * simplify-rtx.c (simplify_subreg): Likewise.
7750 Return NULL_RTX instead of NULL.
7752 * reg-stack.c (emit_swap_insn): Eliminate warnings.
7753 (subst_asm_stack_regs): Likewise.
7755 * combine.c (num_sign_bit_copies): Cast bitwidth to int to avoid
7758 * dwarf2out.c (output_call_frame_info): Declare i as int.
7759 (build_abbrev_table): Declare n_alloc as int.
7760 (dwarf2out_finish): Initialize die.
7761 * except.c: Declare sjlj_funcdef_number as unsigned.
7762 (connect_post_landing_pads): Declare j as unsigned.
7763 (convert_to_eh_region_ranges): Initialize call_site.
7764 (output_function_exception_table): Initialize tt_format_size.
7765 * expr.c (move_by_pieces_1): Initialize to1.
7766 (store_constructor): Initialize minelt and maxelt.
7767 * flow.c (mark_regs_live_at_end): Declare i as unsigned.
7768 * function.c (instantiate_decls): Avoid signed/unsigned warning.
7770 * c-decl.c (combine_parm_decls): Unused, remove.
7771 * c-tree.h: Remove prototype for combine_parm_decls.
7773 * reload.c (push_reload): Fix warning.
7774 (regno_clobbered_p): Likewise.
7775 * reload1.c (replace_pseudos_in_call_usage): Likewise.
7776 (reload_combine): Likewise.
7778 * bitmap.c: Rename bitmap_zero to bitmap_zero_bits to fix warnings.
7779 * bitmap.h: Rename bitmap_zero to bitmap_zero_bits to fix
7781 * bitmap.c (bitmap_operation): Change user.
7782 * bitmap.h (EXECUTE_IF_AND_COMPL_IN_BITMAP): Likewise.
7784 2001-07-10 Eric Christopher <echristo@redhat.com>
7786 * config/mips/mips.c (override_options): Fix typo.
7788 2001-07-09 Stan Shebs <shebs@apple.com>
7790 * target.h (struct gcc_target): New fields init_builtins and
7792 * target-def.h (TARGET_INIT_BUILTINS): New macro.
7793 (TARGET_EXPAND_BUILTIN): New macro.
7794 (TARGET_INITIALIZER): Add them.
7795 * builtins.c: Include target.h.
7796 (expand_builtin): Use targetm.expand_builtin.
7797 (default_init_builtins): New function.
7798 (default_expand_builtin): New function.
7799 * expr.h (default_init_builtins): Declare.
7800 (default_expand_builtin): Declare.
7801 * c-common.c (c_common_nodes_and_builtins): Use
7802 targetm.init_builtins.
7803 * defaults.h (MD_INIT_BUILTINS): Remove.
7804 * Makefile.in (builtins.o): Depend on target.h.
7806 * config/arm/arm.c (TARGET_INIT_BUILTINS): Define.
7807 (TARGET_EXPAND_BUILTIN): Define.
7808 * config/arm/arm.h (MD_INIT_BUILTINS): Remove.
7809 (MD_EXPAND_BUILTIN): Remove.
7811 * config/c4x/c4x.c (TARGET_INIT_BUILTINS): Define.
7812 (TARGET_EXPAND_BUILTIN): Define.
7813 (c4x_init_builtins): Make endlink arg a local.
7814 (c4x_print_operand): Fix typos in adjust_address usages.
7815 * config/c4x/c4x-protos.h (c4x_init_builtins): Update decl.
7816 * config/c4x/c4x.h (MD_INIT_BUILTINS): Remove.
7817 (MD_EXPAND_BUILTIN): Remove.
7819 * config/i386/i386.c (TARGET_INIT_BUILTINS): Define.
7820 (TARGET_EXPAND_BUILTIN): Define.
7821 (ix86_init_mmx_sse_builtins): New function, was ix86_init_builtins.
7822 (ix86_init_builtins): Call new function only if TARGET_MMX.
7823 * config/i386/i386-protos.h (ix86_init_mmx_sse_builtins): Declare.
7824 * config/i386/i386.h (MD_INIT_BUILTINS): Remove.
7825 (MD_EXPAND_BUILTIN): Remove.
7827 * config/ia64/ia64.c (TARGET_INIT_BUILTINS): Define.
7828 (TARGET_EXPAND_BUILTIN): Define.
7829 * config/ia64/ia64.h (MD_INIT_BUILTINS): Remove.
7830 (MD_EXPAND_BUILTIN): Remove.
7832 * doc/tm.texi: Document these changes.
7834 2001-07-09 Diego Novillo <dnovillo@redhat.com>
7836 * basic-block.h (tree_node): Forward declare if needed.
7837 (struct basic_block_def): Add fields 'head_tree' and 'end_tree'.
7838 (BLOCK_HEAD_TREE): Define.
7839 (BLOCK_END_TREE): Define.
7840 (struct loops): Rename field 'tree' to 'tree_root'.
7841 * flow.c (entry_exit_blocks): Add initializers for 'head_tree' and
7843 (flow_loops_tree_build): Rename reference to field 'tree' to
7845 (flow_loops_level_compute): Ditto.
7846 * predict.c (estimate_bb_frequencies): Ditto.
7847 * tree.h (struct tree_common): Add field 'aux'.
7849 2001-07-09 Stan Shebs <shebs@apple.com>
7851 * config/darwin.c (darwin_encode_section_info): Don't mark any
7852 DECL_EXTERNAL node as defined.
7854 2001-07-09 John David Anglin <dave@hiauly1.hia.nrc.ca>
7856 * pa.c (pa_init_machine_status, pa_mark_machine_status,
7857 pa_free_machine_status, hppa_init_pic_save): Delete.
7858 (hppa_pic_save_rtx): New. Use get_hard_reg_initial_val.
7859 (hppa_profile_hook): Use hppa_pic_save_rtx.
7860 * pa.h (struct machine_function, PIC_OFFSET_TABLE_SAVE_RTX,
7861 hppa_init_pic_save): Delete.
7862 (hppa_pic_save_rtx): Declare.
7863 * pa.md (call, call_value, sibcall, sibcall_value,
7864 builtin_setjmp_receiver): Use hppa_pic_save_rtx.
7866 2001-07-09 Kazu Hirata <kazu@hxi.com>
7868 * config/h8300/t-h8300 (LIB1ASMFUNCS): Add _floatdisf and _fixsfdi.
7869 * config/mn10200/t-mn10200 (LIB1ASMFUNCS): Likewise.
7871 2001-07-09 Andreas Jaeger <aj@suse.de>
7873 * output.h: Add declaration of final_forward_branch_p.
7875 * config/i386/i386.c (output_fix_trunc): Remove unused variable.
7877 * varray.c: Include errors.h for internal_error and trim_filename
7880 * Makefile.in (varray.o): Add errors.h.
7882 2001-07-09 Toon Moene <toon@moene.indiv.nluug.nl>
7884 * expr.h: Adjust prototypes for have_add2_insn, have_sub2_insn.
7885 * optabs.c (have_add2_insn): Check whether the add insn chosen
7886 really accepts the operands. (have_sub2_insn): Ditto for sub insn.
7887 * reload1.c (reload_cse_move2add): Adjust calls of have_add2_insn.
7889 Mon Jul 9 13:26:40 2001 Jeffrey A Law (law@cygnus.com)
7891 * Makefile.in (OBJS): Add ssa-ccp.o
7892 (ssa-ccp.o): Add dependencies.
7893 * toplev.c (DFI_ssa_ccp): New dump file enum.
7894 (dump_file): Add entry for dumping after SSA CCP.
7895 (flag_ssa_ccp): New flag variable.
7896 (f_options): Add -fssa-ccp.
7897 (rest_of_compilation): Run SSA CCP if requested.
7898 * timevar.def (TV_SSA_CCP): New timevar.
7899 * ssa.c (mark_phi_and_copy_regs): Handle deleted PHI nodes.
7900 * doc/gcc.texi (Passes): Add documentation for SSA CCP pass.
7901 Fix minor typo in SSA DCE documentation.
7902 * doc/invoke.texi: Add documentation for new flag -fssa-ccp.
7903 Add documentation for new dump option. Renumber dump files
7906 Mon Jul 9 21:36:00 CEST 2001 Jan Hubicka <jh@suse.cz>
7908 * emit-rtl.c (gen_highpart_mode): New.
7909 * rtl.h (gen_highpart_mode): Declare.
7910 * sparc.md (insn splitters): Use gen_highpart_mode, whenever the
7911 operand can be VOIDmode constant.
7913 Mon Jul 9 17:23:10 CEST 2001 Jan Hubicka <jh@suse.cz>
7915 * flow.c (redirect_edge_and_branch_force): New.
7916 (can_fallthru): Ensure that basic blocks are succeeding.
7917 (try_optimize_cfg): Do not delete basic block if it is the last one.
7919 * flow.c (try_redirect_by_replacing_jump): Do not remove
7920 jumps with side effects, unlink chain on fallthru edge;
7921 set block for new jump instruction; avoid basic block to
7922 over by line number note.
7924 * flow.c (try_simplify_condjump): Verify that the condjump
7925 is not always falling trought.
7928 * flow.c (try_redirect_by_replacing_jump): Remove cc0 setter.
7930 * flow.c (forwarder_block_p): Fix for fallthru blocks.
7931 (try_redirect_by_replacing_jump): Update properly the count
7932 and frequency information.
7934 Mon Jul 9 06:41:07 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7936 * emit-rtl.c (adjust_address, adjust_address_nv): Handle an
7937 address that is a LO_SUM specially.
7938 * explow.c (plus_constant_wide, case LO_SUM): Deleted.
7940 * c-lang.c (start_cdtor): Remove extra parameter from start_function.
7942 * emit-rtl.c (adjust_address_nv, replace_equiv_address_nv): New fcns.
7943 (operand_subword): Use them.
7944 (change_address_1): Renamed from change_address; new arg VALIDATE.
7945 * expr.h: Reflect above changes; change_address now macro.
7946 * alias.c (canon_rtx): Use replace_equiv_address_nv instead of
7948 * cselib.c (add_mem_for_addr): Likewise.
7949 * expr.c (protect_from_queue, emit_move_insn_1): Likewise.
7950 * regmove.c (try_apply_stack_adjustment): Likewise.
7951 * reload.c (push_reload, make_memloc): Likewise.
7952 * reload1.c (eliminate_regs): Likewise.
7953 * simplify-rtx.c (simplify_replace_rtx): Likewise.
7954 * caller-save.c (setup_save_areas): Use adjust_address_nv instead of
7956 * combine.c (make_extraction, simplify_shift_const): Likewise.
7957 (gen_lowpart_for_combine): Likewise.
7958 * cse.c (gen_lowpart_if_possible): Likewise.
7959 * function.c (fixup_var_refs_1, purge_addressof_1): Likewise.
7960 * expr.c (expand_expr, case COMPONENT_REF): Likewise.
7961 * optabs.c (gen_move_insn): Likewise.
7962 * reload1.c (alter_reg): Likewise.
7963 * simplify-rtx.c (simplify_subreg): Likewise.
7964 * stmt.c (expand_anon_union_decl): Likewise.
7965 * recog.c (validate_replace_rtx_1): Likewise.
7967 * Makefile.in (recog.o): Add $(EXPR_H).
7968 * explow.c (stabilize): Call replace_equiv_address.
7969 * expr.c (move_by_pieces_1, store_by_pieces_2): Likewise.
7970 * final.c (alter_subreg): OFFSET is HOST_WIDE_INT.
7972 2001-07-03 Andrew Haley <aph@redhat.com>
7974 * expmed.c (store_fixed_bit_field): Don't use a mode bigger than
7975 the mode of the memory location.
7977 2001-07-09 Bo Thorsen <bo@suse.co.uk>
7979 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Fix x86-64 vtable support.
7981 2001-07-09 Neil Booth <neil@daikokuya.demon.co.uk>
7983 * final.c (output_addr_const): Use target opening and
7984 closing parentheses.
7985 * target-def.h: Define TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN
7986 defaults, add to TARGET_ASM_OUT.
7987 * target.h (struct gcc_target): Add open_paren and close_paren.
7988 * doc/md.texi: Update.
7989 * doc/tm.texi: Document TARGET_ASM_FUNCTION_END_PROLOGUE,
7990 TARGET_ASM_FUNCTION_BEGIN_EPILOGUE, TARGET_ASM_OPEN_PAREN and
7991 TARGET_ASM_CLOSE_PAREN.
7992 * config/i386/i386.c (TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN):
7994 * config/pdp11/pdp11.c (TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN):
7996 * config/1750a/1750a.h (ASM_OPEN_PAREN, ASM_CLOSE_PAREN): Remove.
7997 * config/a29k/a29k.h: Similarly.
7998 * config/alpha/alpha.h: Similarly.
7999 * config/arc/arc.h: Similarly.
8000 * config/arm/aof.h: Similarly.
8001 * config/arm/aout.h: Similarly.
8002 * config/avr/avr.h: Similarly.
8003 * config/c4x/c4x.h: Similarly.
8004 * config/clipper/clipper.h: Similarly.
8005 * config/convex/convex.h: Similarly.
8006 * config/d30v/d30v.h: Similarly.
8007 * config/dsp16xx/dsp16xx.h: Similarly.
8008 * config/elxsi/elxsi.h: Similarly.
8009 * config/fr30/fr30.h: Similarly.
8010 * config/h8300/h8300.h: Similarly.
8011 * config/i370/i370.h: Similarly.
8012 * config/i386/i386.h: Similarly.
8013 * config/i860/i860.h: Similarly.
8014 * config/i960/i960.h: Similarly.
8015 * config/ia64/ia64.h: Similarly.
8016 * config/m32r/m32r.h: Similarly.
8017 * config/m68hc11/m68hc11.h: Similarly.
8018 * config/m68k/m68k.h: Similarly.
8019 * config/m88k/m88k.h: Similarly.
8020 * config/mcore/mcore.h: Similarly.
8021 * config/mips/mips.h: Similarly.
8022 * config/mn10200/mn10200.h: Similarly.
8023 * config/mn10300/mn10300.h: Similarly.
8024 * config/ns32k/ns32k.h: Similarly.
8025 * config/pa/pa.h: Similarly.
8026 * config/pdp11/pdp11.h: Similarly.
8027 * config/pj/pj.h: Similarly.
8028 * config/romp/romp.h: Similarly.
8029 * config/rs6000/rs6000.h: Similarly.
8030 * config/sh/sh.h: Similarly.
8031 * config/sparc/sparc.h: Similarly.
8032 * config/v850/v850.h: Similarly.
8033 * config/vax/vax.h: Similarly.
8034 * config/we32k/we32k.h: Similarly.
8036 2001-07-09 Joseph S. Myers <jsm28@cam.ac.uk>
8038 * doc/c-tree.texi: Document representation of attributes.
8040 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
8042 * doc/tm.texi: Update some places for the rename of target to
8045 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
8047 * target.h (struct gcc_target): Add insert_attributes.
8048 * target-def.h (TARGET_INSERT_ATTRIBUTES): Define.
8049 (TARGET_INITIALIZER): Update.
8050 * tree.c, tree.h (default_insert_attributes): New function.
8051 Update comments on other default functions to refer to targetm,
8053 * doc/tm.texi (INSERT_ATTRIBUTES): Update to document
8054 TARGET_INSERT_ATTRIBUTES.
8055 (SET_DEFAULT_DECL_ATTRIBUTES): Remove.
8056 * c-common.c (decl_attributes): Use targetm.insert_attributes.
8057 Don't use PRAGMA_INSERT_ATTRIBUTES.
8058 * Makefile.in (c-common.o): Depend on $(TARGET_H).
8059 * c-decl.c (start_decl, start_function): Don't call
8060 SET_DEFAULT_DECL_ATTRIBUTES.
8061 * config/c4x/c4x.h (SET_DEFAULT_DECL_ATTRIBUTES): Don't define.
8062 * config/c4x/c4x-protos.h (c4x_set_default_attributes): Don't
8064 * config/c4x/c4x.c (TARGET_INSERT_ATTRIBUTES): Define.
8065 (c4x_check_attribute): Avoid modifying attribute list itself.
8066 (c4x_set_default_attributes): Rename to c4x_insert_attributes.
8068 * config/sh/sh.h (PRAGMA_INSERT_ATTRIBUTES): Don't define.
8069 * config/sh/sh-protos.h (sh_pragma_insert_attributes): Don't
8071 * config/sh/sh.c (TARGET_INSERT_ATTRIBUTES): Define.
8072 (sh_pragma_insert_attributes): Rename to sh_insert_attributes.
8074 * config/v850/v850.h (SET_DEFAULT_DECL_ATTRIBUTES): Don't define.
8075 * config/v850/v850-protos.h (v850_set_default_decl_attr): Don't
8077 * config/v850/v850.c (TARGET_INSERT_ATTRIBUTES): Define.
8078 (v850_set_default_decl_attr): Rename to v850_insert_attributes.
8079 Adjust parameters. Make static.
8081 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
8083 * c-common.c (decl_attributes): Only take a single attributes
8085 * c-common.h (decl_attributes): Update prototype.
8086 * c-decl.c (start_decl, start_function): Only take a single
8087 attributes parameter. Update calls to decl_attributes.
8088 (finish_struct, finish_enum): Update calls to decl_attributes.
8089 (push_parm_decl): Expect unified list of attributes. Update call
8091 * c-parse.in (fndef, initdcl, notype_initdcl, nested_function,
8092 notype_nested_function, component_declarator,
8093 component_notype_declarator, label): Update calls to
8095 (absdcl_maybe_attribute, parm, firstparm, myparm): Unify attribute
8096 lists that are passed to push_parm_decl.
8097 * c-tree.h (start_function, start_decl): Update prototypes.
8098 * config/sh/sh-protos.h, config/sh/sh.c
8099 (sh_pragma_insert_attributes): Only take a single attributes
8101 * config/sh/sh.h (PRAGMA_INSERT_ATTRIBUTES): Likewise.
8102 * doc/tm.texi (INSERT_ATTRIBUTES): Update.
8103 * objc/objc-act.c (define_decl, generate_objc_symtab_decl,
8104 build_module_descriptor, generate_static_references,
8105 generate_strings, build_selector_translation_table,
8106 generate_descriptor_table, generate_protocols,
8107 generate_ivars_list, generate_dispatch_table,
8108 generate_protocol_list, generate_category,
8109 generate_shared_structures, really_start_method, add_objc_decls,
8110 generate_classref_translation_entry): Update calls to start_decl
8112 (build_tmp_function_decl, start_method_def): Unify attribute lists
8113 that are passed to push_parm_decl.
8115 2001-07-08 Neil Booth <neil@daikokuya.demon.co.uk>
8117 * final.c (no_asm_to_stream): New.
8118 (final_scan_insn): Use target structures for prologue ends
8119 and epilogue starts.
8120 * output.h (no_asm_to_stream): New.
8121 * target-def.h (TARGET_ASM_FUNCTION_END_PROLOGUE,
8122 TARGET_ASM_FUNCTION_BEGIN_EPILOGUE): New.
8123 (TARGET_ASM_OUT): Update.
8124 * target.h (struct gcc_target): New members function_end_prologue
8125 and function_begin_epilogue.
8126 * config/1750/1750.h (ASM_OUTPUT_FUNNAM): Delete as unused.
8127 * config/alpha/alpha-protos.h (output_end_prologue): Delete.
8128 * config/alpha/alpha.c (output_end_prologue): Rename to
8129 alpha_output_function_end_prologue. Use in target struct
8131 * config/alpha/alpha.h (FUNCTION_END_PROLOGUE): Delete.
8132 * config/ia64/ia64-protos.h (ia64_output_end_prologue): Delete.
8133 * config/ia64/ia64.c (ia64_output_end_prologue): Rename to
8134 ia64_output_function_end_prologue. Use in target struct
8136 (ia64_function_prologue, ia64_funciton_epilogue): Rename
8137 mistyped prototypes.
8138 * config/ia64/ia64.h (FUNCTION_END_PROLOGUE): Delete.
8139 * config/m88k/m88k-protos.h (m88k_end_prologue, m88k_begin_epilogue):
8141 * config/m88k/m88k.c (m88k_end_prologue, m88k_begin_epilogue): Rename
8142 an use in target struct, make static.
8143 * config/ia64/ia64.h (FUNCTION_END_PROLOGUE, FUNCTION_BEGIN_EPILOGUE):
8146 2001-07-08 Richard Henderson <rth@redhat.com>
8148 * stmt.c (emit_case_nodes): Convert modes properly in low+high test.
8150 2001-07-08 Richard Henderson <rth@redhat.com>
8152 * config/i386/i386.md: Remove constraints strings from define_split
8153 and define_peephole2 patterns.
8154 (eh_return_si, eh_return_di): Split eh_return_1 for modes.
8155 (eh_return): Use them.
8157 2001-07-08 Richard Henderson <rth@redhat.com>
8159 * doc/tm.texi (Exception Handling): New subnode of Stack and Calling.
8160 Document MD_FALLBACK_FRAME_STATE_FOR.
8162 2001-07-07 Stephane Carrez <Stephane.Carrez@worldnet.fr>
8164 * config/m68hc11/m68hc11.c (m68hc11_initial_elimination_offset):
8165 Take into account m68hc11_sp_correction for FRAME_POINTER_REGNUM
8167 * config/m68hc11/m68hc11.h (STARTING_FRAME_OFFSET): Use 0.
8169 2001-07-07 Nick Clifton <nickc@cambridge.redhat.com>
8171 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Append # to end
8172 of the label inside NAME as opposed to just the end of NAME.
8174 2001-07-07 Neil Booth <neil@daikokuya.demon.co.uk>
8176 * config/alpha/alpha-protos.h (vms_valid_decl_attribute_p): Delete.
8177 * config/alpha/alpha.c (alpha_init_machine_status,
8178 alpha_mark_machine_status, alpha_free_machine_status): Delete.
8179 (TARGET_VALID_DECL_ATTRIBUTE): Define for VMS.
8180 (vms_valid_decl_attribute_p): Make static, conditionally compile.
8181 * config/alpha/alpha.h (VALID_MACHINE_DECL_ATTRIBUTE): Delete.
8183 2001-07-06 Stan Shebs <shebs@apple.com>
8185 * target.h (targetm): Rename global from "target", so as not to
8186 conflict with local variables.
8188 * c-typeck.c: Ditto.
8192 * cp/decl2.c: Ditto.
8193 * cp/typeck.c: Ditto.
8194 * 1750a/1750a.c: Ditto.
8195 * a29k/a29k.c: Ditto.
8199 * clipper/clipper.c: Ditto.
8200 * convex/convex.c: Ditto.
8201 * d30v/d30v.c: Ditto.
8202 * dsp16xx/dsp16xx.c: Ditto.
8203 * elxsi/elxsi.c: Ditto.
8204 * fr30/fr30.c: Ditto.
8205 * h8300/h8300.c: Ditto.
8206 * i370/i370.c: Ditto.
8207 * i386/i386.c: Ditto.
8208 * i860/i860.c: Ditto.
8209 * i960/i960.c: Ditto.
8210 * ia64/ia64.c: Ditto.
8211 * m32r/m32r.c: Ditto.
8212 * m68hc11/m68hc11.c: Ditto.
8213 * m68k/m68k.c: Ditto.
8214 * m88k/m88k.c: Ditto.
8215 * mips/mips.c: Ditto.
8216 * ns32k/ns32k.c: Ditto.
8218 * pdp11/pdp11.c: Ditto.
8219 * romp/romp.c: Ditto.
8220 * rs6000/rs6000.c: Ditto.
8222 * sparc/sparc.c: Ditto.
8224 * we32k/we32k.c: Ditto.
8225 * doc/tm.texi: Update the manual to match.
8227 2001-07-06 Richard Henderson <rth@redhat.com>
8229 * except.h (MUST_USE_SJLJ_EXCEPTIONS): Examine the value of
8230 DWARF2_UNWIND_INFO not just whether it is defined.
8232 2001-07-06 Diego Novillo <dnovillo@redhat.com>
8234 * combine.c (combine_simplify_rtx): Also recompute 'mode' if the
8235 call to simplify_binary_operation returns a new pattern.
8237 2001-07-06 Roman Lechtchinsky <rl@cs.tu-berlin.de>
8239 * glimits.h (__SHRT_MAX__): New.
8240 (SHRT_MIN, USHRT_MAX): Define in terms of SHRT_MAX.
8241 (SHRT_MAX): Define in terms of __SHRT_MAX__.
8243 2001-07-06 Jan van Male <jan.vanmale@fenk.wau.nl>
8245 * alias.c (base_alias_check): Cast GET_MODE_UNIT_SIZE to int to
8248 2001-07-06 Richard Henderson <rth@redhat.com>
8250 * bitmap.c (bitmap_release_memory): Move adjacent to the
8251 allocation functions.
8252 (bitmap_first_set_bit, bitmap_last_set_bit): Streamline knowing
8253 the implementation. Binary search for the set bit.
8254 (bitmap_union_of_diff): Allocate the temporary on the stack
8255 instead of using xmalloc.
8257 2001-07-06 Richard Henderson <rth@redhat.com>
8259 * genrecog.c (validate_pattern): Warn for constraints in
8260 define_{expand,split,peephole2}. Remove strict_low_part
8261 before looking up match_dup.
8263 2001-07-06 DJ Delorie <dj@redhat.com>
8265 * doc/gcc.texi (Makefile): Rename to be a more general purpose
8266 chapter about various build hints and history. Add section
8267 talking about the various types of native and cross builds.
8269 2001-07-06 Neil Booth <neil@daikokuya.demon.co.uk>
8271 * Makefile.in (final.o): Depend on target.h.
8272 * final.c: Include target.h.
8273 (default_function_pro_epilogue): New.
8274 (final_start_function): Use target structure for function prologues.
8275 (final_end_function): Use target structure for function epilogues.
8276 * fold-const.c (real_hex_to_f): Constify s and p.
8277 * output.h (default_function_pro_epilogue): New.
8278 * real.h (real_hex_to_f): Update prototype.
8279 * target-def.h (TARGET_ASM_FUNCTION_PROLOGUE,
8280 TARGET_ASM_FUNCTION_EPILOGUE, TARGET_ASM_OUT): New.
8281 (TARGET_INITIALIZER): Update.
8282 * target.h (gcc_target): Add struct asm_out.
8283 * doc/tm.texi: Update.
8286 Update each arch to use TARGET_ASM_FUNCTION_PROLOGUE and
8287 TARGET_ASM_FUNCTION_EPILOGUE. Move macro code to functions
8288 in cpu/cpu.c, or rename old functions consistently. Take
8289 a HOST_WIDE INT not an int as the SIZE parameter. Remove now
8290 redundant macros and prototypes. Make new functions static.
8292 * 1750a/1750a.c: Similarly.
8293 * 1750a/1750a.h: Similarly.
8294 * a29k/a29k-protos.h: Similarly.
8295 * a29k/a29k.c: Similarly.
8296 * a29k/a29k.h: Similarly.
8297 * arc/arc-protos.h: Similarly.
8298 * arc/arc.c: Similarly.
8299 * arc/arc.h: Similarly.
8300 * arm/arm-protos.h: Similarly.
8301 * arm/arm.c: Similarly.
8302 * arm/arm.h: Similarly.
8303 * avr/avr-protos.h: Similarly.
8304 * avr/avr.c: Similarly.
8305 * avr/avr.h: Similarly.
8306 * clipper/clipper-protos.h: Similarly.
8307 * clipper/clipper.c: Similarly.
8308 * clipper/clipper.h: Similarly.
8309 * convex/convex.c: Similarly.
8310 * convex/convex.h: Similarly.
8311 * d30v/d30v-protos.h: Similarly.
8312 * d30v/d30v.c: Similarly.
8313 * d30v/d30v.h: Similarly.
8314 * d30v/d30v.md: Similarly.
8315 * dsp16xx/dsp16xx-protos.h: Similarly.
8316 * dsp16xx/dsp16xx.c: Similarly.
8317 * dsp16xx/dsp16xx.h: Similarly.
8318 * elxsi/elxsi.c: Similarly.
8319 * elxsi/elxsi.h: Similarly.
8320 * fr30/fr30.c: Similarly.
8321 * fr30/fr30.md: Similarly.
8322 * h8300/h8300-protos.h: Similarly.
8323 * h8300/h8300.c: Similarly.
8324 * h8300/h8300.h: Similarly.
8325 * i370/i370-protos.h: Similarly.
8326 * i370/i370.c: Similarly.
8327 * i370/i370.h: Similarly.
8328 * i386/i386.c: Similarly.
8329 * i386/osf1elf.h: Similarly.
8330 * i386/osfrose.h: Similarly.
8331 * i860/i860-protos.h: Similarly.
8332 * i860/i860.c: Similarly.
8333 * i860/i860.h: Similarly.
8334 * i960/i960-protos.h: Similarly.
8335 * i960/i960.c: Similarly.
8336 * i960/i960.h: Similarly.
8337 * ia64/ia64-protos.h: Similarly.
8338 * ia64/ia64.c: Similarly.
8339 * ia64/ia64.h: Similarly.
8340 * m32r/m32r-protos.h: Similarly.
8341 * m32r/m32r.c: Similarly.
8342 * m32r/m32r.h: Similarly.
8343 * m68hc11/m68hc11-protos.h: Similarly.
8344 * m68hc11/m68hc11.c: Similarly.
8345 * m68hc11/m68hc11.h: Similarly.
8346 * m68k/crds.h: Similarly.
8347 * m68k/dpx2.h: Similarly.
8348 * m68k/m68k-protos.h: Similarly.
8349 * m68k/m68k.c: Similarly.
8350 * m68k/m68k.h: Similarly.
8351 * m68k/news.h: Similarly.
8352 * m88k/m88k-protos.h: Similarly.
8353 * m88k/m88k.c: Similarly.
8354 * m88k/m88k.h: Similarly.
8355 * mips/mips-protos.h: Similarly.
8356 * mips/mips.c: Similarly.
8357 * mips/mips.h: Similarly.
8358 * ns32k/merlin.h: Similarly.
8359 * ns32k/ns32k.c: Similarly.
8360 * ns32k/ns32k.h: Similarly.
8361 * ns32k/tek6000.h: Similarly.
8362 * pa/pa-protos.h: Similarly.
8363 * pa/pa.c: Similarly.
8364 * pa/pa.h: Similarly.
8365 * pdp11/2bsd.h: Similarly.
8366 * pdp11/pdp11-protos.h: Similarly.
8367 * pdp11/pdp11.c: Similarly.
8368 * pdp11/pdp11.h: Similarly.
8369 * romp/romp-protos.h: Similarly.
8370 * romp/romp.c: Similarly.
8371 * romp/romp.h: Similarly.
8372 * rs6000/rs6000-protos.h: Similarly.
8373 * rs6000/rs6000.c: Similarly.
8374 * rs6000/rs6000.h: Similarly.
8375 * rs6000/sysv4.h: Similarly.
8376 * sh/sh-protos.h: Similarly.
8377 * sh/sh.c: Similarly.
8378 * sh/sh.h: Similarly.
8379 * sparc/sparc-protos.h: Similarly.
8380 * sparc/sparc.c: Similarly.
8381 * sparc/sparc.h: Similarly.
8382 * vax/vax.c: Similarly.
8383 * vax/vax.h: Similarly.
8384 * vax/vms.h: Similarly.
8385 * we32k/we32k.c: Similarly.
8386 * we32k/we32k.h: Similarly.
8388 Fri Jul 6 11:47:59 2001 Jeffrey A Law (law@cygnus.com)
8390 * basic-block.h (first_insn_after_basic_block_note): Declare.
8391 * flow.c (first_insn_after_basic_block_note): Define. Moved
8393 * ssa.c (first_insn_after_basic_block_note): Remove.
8394 * ssa-dce.c (find_inherently_necessary): Consider BARRIERs
8396 (ssa_eliminate_dead_code): Properly update the CFG and PHI
8397 nodes when we find a dead conditional branch. Insert BARRIERs
8398 after any blocks with no successors, but which do not have
8401 2001-07-06 Zack Weinberg <zackw@stanford.edu>
8403 * varray.c (varray_check_failed): Use internal_error.
8405 2001-07-05 Andrew Haley <aph@redhat.com>
8407 * Makefile.in (LIB2_DIVMOD_FUNCS): New.
8408 (LIB2FUNCS): Move divmod functions to LIB2_DIVMOD_FUNCS.
8409 * mklibgcc.in: Compile LIB2_DIVMOD_FUNCS.
8411 2001-07-02 Jason Merrill <jason_merrill@redhat.com>
8413 * dwarf2out.c (mem_loc_descriptor): Only look through a constant pool
8414 reference if the target constant is also a SYMBOL_REF.
8416 2001-07-05 Eric Christopher <echristo@redhat.com>
8418 * config/mips/mips.h (MASK_MIPS3900): Remove.
8419 (MASK_MIPS16,MASK_NO_CHECK_ZERO_DIV,MASK_CHECK_RANGE_DIV,
8420 MASK_UNINIT_CONST_IN_RODATA): Change for 3900 mask removal.
8421 (TARGET_MIPS3900): Change to use mips_arch.
8422 (TARGET_MIPS4000): New.
8423 (TARGET_MIPS4100): New.
8424 (TARGET_MIPS4300): New.
8425 (TARGET_SWITCHES): Change 3900 and 4650 options to NULL.
8426 (SUBTARGET_TARGET_OPTIONS): Add -march. Change help text
8428 (GENERATE_BRANCHLIKELY): Move TARGET_MIPS3900.
8429 (ISA_HAS_BRANCHLIKELY): To here.
8430 (CC1_CPU_SPEC): New.
8431 (CC1_SPEC): Use here. Remove 4650 and 3900 options.
8432 (mips_arch_string): Declare.
8433 (mips_arch): Declare.
8434 (TARGET_OPTIONS): Add -march and -mtune.
8436 * config/mips/mips.c (mips_arch_string): New.
8438 (override_options): Handle -march for codegen and -mtune
8439 for scheduling. Use mips_arch. Move tx39 target default here.
8440 (mips_parse_cpu): Move error message to override_options.
8442 * config/mips/r3900.h (TARGET_DEFAULT): Remove.
8444 * config/mips/mips.md: Use TARGET_MIPS4000 and TARGET_MIPS4300.
8446 * doc/invoke.texi (Option Summary): Add -march and -mtune entries.
8447 (MIPS Options): Ditto. Change mcpu entry to historical text.
8449 2001-07-05 H.J. Lu (hjl@gnu.org)
8451 * config/mips/mips.c (mips_parse_cpu): New function to parse
8454 2001-07-05 Jim Wilson <wilson@redhat.com>
8456 * config/ia64/lib1funcs.asm: Revert 2001-07-02 change.
8457 * config/ia64/t-ia64: Likewise.
8458 (LIB1ASMFUNCS): Update comment.
8460 2001-07-05 David Edelsohn <edelsohn@gnu.org>
8462 * doc/install.texi (Install GCC: Binaries): Fix typo.
8464 2001-07-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
8466 * config/m68hc11/m68hc11.md ("*ashlsi3"): Operand 1 can be a memory
8467 reference using the stack pointer, adjust it since we push Y
8469 ("*ashrsi3"): Likewise.
8470 ("*lshrsi3"): Likewise.
8472 2001-07-05 Stephane Carrez <Stephane.Carrez@worldnet.fr>
8474 * config/m68hc11/m68hc11.h (RETURN_ADDR_RTX): Fix return address
8475 when -fomit-frame-pointer is used.
8477 2001-07-05 Jeffrey Oldham <oldham@codesourcery.com>
8479 * flow.c: Reverse Jan Hubicka's patch of 02July2001.
8480 (try_redirect_by_replacing_jump): Reverse updating properly the
8481 count and frequency information. Reverse removing cc0 setter.
8482 (forwarder_block_p): Reverse fixing for fallthru blocks.
8484 2001-07-05 DJ Delorie <dj@redhat.com>
8486 * gcc.c (TARGET_OPTION_TRANSLATE_TABLE): New.
8487 (translate_options): If the above is defined, use it to map
8488 given options to new options.
8489 * doc/tm.texi: Document it.
8491 2001-07-05 Brad Lucier <lucier@math.purdue.edu>
8492 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
8494 * doc/invoke.texi (Optimize Options): Document that -fgcse may
8495 cause programs using computed gotos to run more slowly.
8497 2001-07-05 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8499 * doc/install.texi (Specific): Markup, spelling and typo fixes.
8501 Consistently require binutils 2.11.2, not prereleases.
8502 (Specific, decstation-*): Canonicalize as mips-dec-*.
8503 (Specific, i?86-*-sco3.2v5*): Remove make bootstrap requirement,
8505 (Specific, m68k-altos): Removed reference to README.altos, deleted.
8506 (Specific, mips-*): Reword MIPS C compiler requirements.
8507 (Specific, powerpc*-*-*): New, mention --with-cpu once.
8508 (Specific, sunv5): Removed, obsolete.
8510 2001-07-05 Nathan Sidwell <nathan@codesourcery.com>
8512 * dwarf2out.c (output_loc_list): Use an all ones mask for
8513 .text asm output and don't rely on long long
8514 literals. Reformat some long lines.
8516 2001-07-05 Andreas Jaeger <aj@suse.de>
8518 * doc/gcc.texi (GNU/Linux): Remove accidental re-add of GPL
8521 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
8523 * dwarf2out.c (dwarf2out_define): Update comment.
8524 (dwarf2out_undef): Ditto.
8525 (dwarf2out_start_source_file): Ditto.
8526 (dwarf2out_end_source_file): Ditto.
8527 (dwarf2out_finish): Output DW_MACINFO_end_file for primary file,
8528 since we never call the start/end debug hook for the primary file.
8530 2001-07-04 Kazu Hirata <kazu@hxi.com>
8532 * config/h8300/h8300.c (get_shift_alg): Remove an extra operand
8535 2001-07-04 Nathan Sidwell <nathan@codesourcery.com>
8537 * cppinit.c (remove_dup_dirs): Inform if a system include
8538 directory is being reordered.
8539 * doc/invoke.texi (Directory Options): GCC warns if you hide a
8541 * doc/cpp.texi (Search Paths): Likewise.
8542 * doc/gcc.texi (Interoperation): Remove information about
8545 2001-07-04 Nathan Sidwell <nathan@codesourcery.com>
8547 * varray.h (VARRAY_TOP_GENERIC_PTR): Remove spurious parameter.
8548 (VARRAY_TOP_CHAR_PTR): Likewise.
8550 2001-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8552 * gcc.c (process_command): Don't assign elements of a const char*.
8554 Wed Jul 4 13:40:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8556 * emit-rtl.c (change_address): Don't abort if invalid address while
8557 reload is in progress.
8559 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
8561 * c-lex.c (cb_file_change): Pass line number to
8562 debug_start_source_file.
8563 (cb_undefine): Pass correct line number to debug_undef.
8565 * toplev.c (debug_start_source_file): Add line number to
8566 parameters. Pass it along to dwarf2out_start_source_file.
8567 (decode_g_option): Stop resetting debug level back to normal when
8568 we change debug formats, unless the current level is
8569 none. (Before, -g3 -gdwarf-2 would use debug level 2, rather than
8572 * toplev.h (debug_start_source_file): Add line number to
8575 * dwarf2out.h (dwarf2out_start_source_file): Add line number to
8578 * dwarf2out.c (dwarf2out_start_source_file): Add line number to
8580 Output debug_macinfo data for starting file if requested.
8581 (dwarf2out_end_source_file): Output debug_macinfo data for ending
8583 (dwarf2out_define): Output debug_macinfo data for defining a macro
8585 (dwarf2out_undef): Output debug_macinfo data for undefining a
8587 (DEBUG_MACINFO_SECTION): New. DWARF2 macro info section name.
8588 (DEBUG_MACINFO_SECTION_LABEL): New. DWARF2 macro info section label.
8589 (macinfo_section_label): New. DWARF2 macro info section label.
8590 (dwarf2out_init): If we want macro info, output the start label
8592 (dwarf2out_finish): If we want macro info, add a DW_AT_macro_info
8593 attribute to the compilation unit die pointing to the macro info.
8595 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
8597 * dwarf2out.c (new_loc_list): Move to inside #ifdef
8598 DWARF2_DEBUGGING_INFO.
8599 (add_loc_descr_to_loc_list): Ditto.
8600 (output_loc_list): Ditto.
8601 Also, fix thinko in curr not being initialized.
8602 (gen_internal_sym): Ditto.
8604 Wed Jul 4 13:40:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8606 * emit-rtl.c (replace_equiv_address): New function.
8607 * expr.h (replace_equiv_address): New declaration.
8608 * explow.c (validize_mem): Call it instead of change_address and
8609 also call if -fforce-addr and address is constant.
8610 * expr.c: Replace more calls to change_address with adjust_address
8611 and/or replace_equiv_address or to validize_mem.
8612 * function.c, regmove.c, config/alpha/alpha.c: Likewise.
8613 * config/arm/arm.md, config/clipper/clipper.md: Likewise.
8614 * config/dsp16xx/dsp16xx.md, config/fr30/fr30.c: Likewise.
8615 * config/i370/i370.md, config/i860/i860.md: Likewise.
8616 * config/i960/i960.md, config/mips/mips.c: Likewise.
8617 * config/mips/mips.md, config/pa/pa.md: Likewise.
8618 * config/pdp11/pdp11.md, config/rs6000/rs6000.c: Likewise.
8619 * config/rs6000/rs6000.md, config/sh/sh.md: Likewise.
8621 2001-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8623 * bitmap.c (bitmap_union_of_diff): Don't use BITMAP_ALLOCA.
8625 * bitmap.h (BITMAP_ALLOCA): Don't pass alloca as an argument to a
8628 2001-07-04 Joseph S. Myers <jsm28@cam.ac.uk>
8630 * doc/include: New directory.
8631 * doc/fdl.texi: Move to doc/include/fdl.texi.
8632 * doc/texinfo.tex: Move to doc/include/texinfo.tex.
8633 * doc/include/funding.texi, doc/include/gpl.texi: New files.
8634 * doc/gcc.texi: Use funding.texi and gpl.texi.
8635 * Makefile.in ($(docdir)/cpp.info, $(docdir)/gcc.info,
8636 $(docdir)/cppinternals.info, cpp.dvi. gcc.dvi. cppinternals.dvi):
8637 Update dependencies and use -I $(docdir)/include.
8639 2001-07-04 Anthony Green <green@redhat.com>
8641 * config/v850/t-v850 (v850-c.o): Add missing dependencies.
8643 2001-07-04 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
8645 * doc/install.texi (sparc64-*-*): Remove garbage.
8647 Wed Jul 4 09:07:44 2001 Jan van Male <jan.vanmale@fenk.wau.nl>
8649 * i386.c (ix86_expand_builtin, case IX86_BUILTIN_SETPS):
8650 Fix typo in last change to use adjust_address.
8652 2001-07-04 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
8654 * doc/install.texi (Specific): Update information for *-*-solaris*.
8656 Tue Jul 3 22:33:15 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8658 * explow.c (plus_constant_wide): Reinitialize Y for restart.
8660 2001-07-03 Stan Shebs <shebs@apple.com>
8662 * config/darwin.h (SECTION_FUNCTION): Remove WAS_TEXT argument, remove
8663 case for flag_no_mach_text_sections.
8664 (EXTRA_SECTION_FUNCTIONS): Remove arg from uses of SECTION_FUNCTION.
8665 * config/darwin.c (flag_no_mach_text_sections): Remove.
8666 * config/darwin-protos.h (darwin_init_pragma): Remove decl.
8668 Tue Jul 3 15:35:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8670 * explow.c (plus_constant_wide, case PLUS): Call find_constant_term
8671 and avoid checking for constant as first operand.
8672 * recog.c (find_constant_term_loc): No longer static.
8673 (adj_offettable_operand): Delete.
8674 * rtl.h (adj_offsettable_operand): Delete declaration.
8675 (find_constant_term): Add declaration.
8676 * caller-save.c: Replace calls to adj_offsettable_operand with calls
8678 * config/arm/arm.c, config/c4x/c4x.c: Likewise.
8679 * config/clipper/clipper.md, config/h8300/h8300.c: Likewise.
8680 * config/i386/i386.c, config/i386/i386.md: Likewise.
8681 * config/i860/i860.c, config/i960/i960.c: Likewise.
8682 * config/i960/i960.md, config/m68hc11/m68hc11.c: Likewise.
8683 * config/m68k/m68k.c, config/m68k/m68k.md: Likewise.
8684 * config/m88k/m88k.md, config/mcore/mcore.c: Likewise.
8685 * config/mips/mips.c, config/mips/mips.md: Likewise.
8686 * config/mn10200/mn10200.c, config/mn10300/mn10300.c: Likewise.
8687 * config/ns32k/ns32k.c, config/ns32k/ns32k.md: Likewise.
8688 * config/pa/pa.c, config/pdp11/pdp11.c: Likewise.
8689 * config/pdp11/pdp11.md, config/sh/sh.c, config/v850/v850.c: Likewise.
8690 * config/vax/vax.md, config/ns32k/ns32k.c: Likewise.
8691 * config/ns32k/ns32k.md: Likewise.
8693 2001-07-03 Zack Weinberg <zackw@stanford.edu>
8695 * rtl.c (copy_rtx): Handle 'T' format letter.
8696 * gensupport.c (collect_insn_data): Likewise.
8697 * print-rtl.c (print_rtx): Print 'T' slots like 's'.
8699 2001-07-03 Nick Clifton <nickc@cambridge.redhat.com>
8701 * doc/invoke.texi (Directory Options): Specifiy range for <N> in
8702 -B option. Use 'dir' not 'foo' as example directory name.
8704 2001-07-03 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8706 * config/i386/sol2.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
8707 Fixes PRs bootstrap/3067, bootstrap/3249, bootstrap/3275.
8709 2001-07-03 Joseph S. Myers <jsm28@cam.ac.uk>
8711 * doc/cppinternals.texi: Improve formatting and logical markup.
8713 2001-07-03 Andreas Jaeger <aj@suse.de>
8715 * Makefile.in (insn-recog.o): Add dependency on reload.h.
8717 * genrecog.c (write_header): Include reload.h for prototypes in
8720 2001-07-03 Neil Booth <neil@daikokuya.demon.co.uk>
8723 * i386/cygwin.h (VALID_MACHINE_DECL_ATTRIBUTE,
8724 VALID_MACHINE_TYPE_ATTRIBUTE): Remove.
8725 * i386/i386-protos.h (i386_pe_valid_decl_attribute_p,
8726 i386_pe_valid_type_attribute_p): Add.
8727 * i386/i386.c (TARGET_INITIALIZER): Override for cygwin targets.
8728 * i386/winnt.c (i386_valid_decl_attribute_p): Return directly.
8730 Mon Jul 2 21:52:19 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8732 * explow.c (plus_constant_wide, case LO_SUM): New case.
8733 (plus_constant_for_output_wide): Delete.
8734 * rtl.h (plus_constant_for_output): Delete.
8735 * alias.c (canon_rtx, init_alias_analysis): Call plus_constant
8736 instead of plus_constant_for_output.
8737 * recog.c (offsettable_address_p, adj_offsettable_operand): Likewise.
8738 * config/darwin.c, config/arm/arm.c, config/m68k/m68k.c: Likewise.
8739 * config/m88k/m88k.c, config/mips/mips.c, config/pa/pa.c: Likewise.
8740 * config/rs6000/rs6000.c, config/sparc/sparc.c: Likewise.
8741 * config/sparc/sparc.md: Likewise.
8742 Convert some change_address calls to adjust_address.
8744 2001-07-03 Joseph S. Myers <jsm28@cam.ac.uk>
8746 * doc/extend.texi, doc/gcc.texi, doc/invoke.texi, doc/md.texi,
8747 doc/rtl.texi, doc/tm.texi: Improve formatting. Improve
8748 documentation of -std and -Wwrite-strings.
8750 2001-07-02 Geoffrey Keating <geoffk@redhat.com>
8752 * cse.c (canon_hash): Don't register registers in very small
8753 register classes, as extending their lifetime might cause
8756 Mon Jul 2 23:14:00 CEST 2001 Jan Hubicka <jh@suse.cz>
8758 * flow.c (try_redirect_by_replacing_jump): Remove cc0 setter.
8760 * flow.c (forwarder_block_p): Fix for fallthru blocks.
8761 (try_redirect_by_replacing_jump): Update properly the count
8762 and frequency information.
8764 Mon Jul 2 14:20:13 2001 Jeffrey A Law (law@cygnus.com)
8766 * toplev.c (dump_file_index): Move SSA dumps just after first
8768 (dump_file): Corresponding changes.
8769 (rest_of_compilation): Move SSA path to just after the first
8771 * doc/gcc.texi (Passes): Update due to movement of SSA path.
8772 * doc/invoke.texi: Update dump file #s as they were completely
8773 out of date with reality.
8775 2001-07-02 Geoffrey Keating <geoffk@redhat.com>
8777 * doc/tm.texi (Frame Layout): Document STACK_PUSH_CODE.
8779 * expr.c (emit_move_insn_1): Deal with non-default
8782 * expr.c (emit_single_push_insn): Fix warning.
8784 2001-07-02 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
8786 * expr.c (emit_move_insn_1): Avoid modifying
8787 cfun->expr->x_stack_pointer when PUSH_ROUNDING is defined.
8789 Mon Jul 2 15:33:31 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8791 * emit-rtl.c (adjust_address): New function.
8792 * expr.h (adjust_address): Add declaration.
8793 * builtins.c: Replace some calls to change_address with calls to it
8795 * caller-save.c, dwarf2out.c, except.c, expmed.c, expr.c: Likewise.
8796 * function.c, config/a29k/a29k.md, config/alpha/alpha.c: Likewise.
8797 * config/arm/arm.c, config/convex/convex.c: Likewise.
8798 * config/dsp16xx/dsp16xx.md, config/fr30/fr30.c: Likewise.
8799 * config/i386/i386.c, config/i386/i386.md: Likewise.
8800 * config/ia64/ia64.c, config/ia64/ia64.md: Likewise.
8801 * config/m32r/m32r.c, config/m68k/m68k.md: Likewise.
8802 * config/m88k/m88k.c, config/mips/mips.md: Likewise.
8803 * config/ns32k/ns32k.c, config/rs6000/rs6000.c: Likewise.
8804 * config/sh/sh.c, config/sparc/sparc.md: Likewise.
8806 2001-07-02 Jim Wilson <wilson@redhat.com>
8808 * config/ia64/ia64.h: Delete obsolete lib1funcs.asm comment.
8810 2001-07-02 Steve Ellcey <sje@cup.hp.com>
8812 * config/ia64/t-ia64: Change LIB1ASMFUNCS to use single underscore.
8813 * config/ia64/lib1funcs.asm: Change macro names to match t-ia64.
8815 2001-07-02 Zack Weinberg <zackw@stanford.edu>
8817 * cppinit.c (lang_defaults): New table.
8818 (set_lang): Just read from lang_defaults into the live options
8821 2001-07-02 Zack Weinberg <zackw@stanford.edu>
8823 * Makefile.in (doc): Depend on $(GENERATED_MANPAGES).
8824 * doc/.cvsignore: Add gcc.1, cpp.1, gcov.1.
8825 * doc/gcc.1, doc/cpp.1, doc/gcov.1: Removed.
8827 2001-07-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8829 * doc/install.texi: Various spelling and markup fixes.
8830 (Installing GCC): Component specific installation instructions are
8833 Warn about removing old install dir in the presence of shared libs.
8834 (Configuration): Invoke with options target to match configure
8836 Consistently refer to gas, gld pathnames.
8837 Invert --enable-multilib documentation.
8838 Remove references to old compiler versions.
8840 Mon Jul 2 12:50:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8842 * flow.c (try_simplify_condjump): Fix typo in updating fallthru flags.
8844 2001-07-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8846 * doc/install.texi (Specific, mips*-sgi-irix4): Split from IRIX 5
8848 (Specific, mips*-sgi-irix5): Note IDO download.
8849 Reworded MIPS C hints.
8850 Use GNU as instead of GAS.
8852 Removed SGI Freeware reference, IRIX 6 only.
8853 (Specific, mips*-sgi-irix6): Removed ranlib caveats, obsolete.
8854 Note N64 library requirement/workaround.
8856 Complete list of structure passing bug victims.
8858 2001-07-02 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
8860 * doc/install.texi: Remove CVS Id.
8862 2001-07-02 Andreas Jaeger <aj@suse.de>
8864 * ssa-dce.c (note_inherently_necessary_set): Add unused attribute.
8865 (find_inherently_necessary): Remove unused variable.
8867 2001-07-02 Nathan Sidwell <nathan@codesourcery.com>
8869 * c-common.h (TDI_inlined): New ast dump phase.
8870 (dump_flag_name): New function.
8871 * c-dump.c (dump_files): Add inlined phase.
8872 (dump_flag_name): Define.
8873 * doc/invoke.texi (-fdump-ast-inlined): Document.
8875 Mon Jul 2 06:29:36 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8877 * stor-layout.c (layout_decl): Revert change to handling of alignment
8880 Sun Jul 1 11:53:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8882 * c-common.c (decl_attributes, case A_MODE): Don't call layout_decl
8885 2001-07-01 Geoffrey Keating <geoffk@redhat.com>
8887 * doc/tm.texi (FUNCTION_ARG): Document that the last call
8890 2001-07-01 Nathan Sidwell <nathan@codesourcery.com>
8892 * tlink.c (recompile_files): Remove COMPILER_PATH and
8893 LIBRARY_PATH from the environment.
8895 2001-07-01 Zack Weinberg <zackw@stanford.edu>
8897 * c-common.h (enum rid): Add RID_FIRST_AT, RID_LAST_AT,
8898 RID_LAST_PQ. Move RID_FIRST_PQ down with the other FIRST/LAST
8900 (OBJC_IS_AT_KEYWORD, OBJC_IS_PQ_KEYWORD): New macros.
8902 * c-parse.in (OBJC_STRING): Kill.
8903 (objc_string): Decompose to [objc_string] '@' STRING.
8904 (reswords): Take the leading '@' off all the Objective C keywords.
8905 (objc_rid_sans_at): Kill.
8906 (init_reswords): Don't initialize it.
8907 (yylexname): Use OBJC_IS_AT_KEYWORD and OBJC_IS_PQ_KEYWORD.
8908 (_yylex): Kill reconsider label. Look ahead one token after
8909 an '@'; if we get an identifier, check whether it's an
8910 Objective C @-keyword. If so, return the keyword. Otherwise,
8911 put back the token and return the '@' as a terminal.
8913 * cpplib.c (lex_macro_node): Remove unnecessary check for
8914 leading '@' on identifier. Clarify control flow and commentary.
8916 Sun Jul 1 11:53:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8918 * cse.c (new_label_ref): Variable deleted.
8919 (insert): Remove set of new_label_ref.
8920 (check_for_label_ref): New function.
8921 (cse_basic_block): Don't check new_label_ref; call check_for_label_ref.
8923 See ChangeLog.5 for earlier changes.