1 Fri Sep 21 11:20:12 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3 * integrate.c (allocate_initial_values): Eliminate unused arg warning.
5 21-09-2001 Richard Earnshaw (reanrsha@arm.com)
7 * cfgcleanup.c (flow_find_cross_jump): Delete any REG_EQUAL notes
8 that would be invalid after a merge.
10 Fri Sep 21 14:24:29 CEST 2001 Jan Hubicka <jh@suse.cz>
12 * basic-block.h (flow_delete_insn, flow_delete_insn_chain): Kill.
13 * cfg.c (delete_insn): Rename from ....; use remove_insn; do not
15 (flow_delete_insn): This one.
16 (delete_insn_chain): Rename from ...; do not care labels.
17 (flow_delete_insn_chain): ... this one.
18 (flow_delete_block): Remove the insns one BB has been expunged.
19 (merge_blocks_nomove): Likewise.
20 (try_redirect_by_replacing_jump): Use delete_insn[_chain]; do not care
21 updating BB boundaries.
22 (tidy_fallthru_edge): Likewise.
23 (commit_one_edge_insertion): Likewise.
24 * cfgbuild.c (find_basic_block): Likewise.
25 (find_basic_blocks_1): Likewise.
26 * cfgcleanup.c (merge_blocks_move_predecessor_nojumps): Likewise.
27 (try_crossjump_to_edge): Likewise.
28 (try_optimize_cfg): Likewise.
29 * cse.c (delete_trivially_dead_insns): Likewise.
30 * df.c (df_insn_delete): Likewise.
31 * doloop.c (doloop_modify): Use delete_related_insns.
32 * emit-rtl.c (try_split): Likewise.
33 (remove_insn): Update BB boundaries.
34 * expect.c (connect_post_landing_pads): Use delete_related_insns.
35 * flow.c (delete_dead_jumptables): Use delete_insn[_chain]; do not care
36 updating BB boundaries.
37 (propagate_block_delete_insn): Likewise.
38 (propagate_block_delete_libcall): Likewise.
39 * function.c (delete_handlers): Use delete_related_insns.
40 (thread_prologue_and_epilogue_insns): Likewise.
41 * gcse.c (delete_null_pointer_checks): Use delete_related_insns.
42 * genpeep.c (gen_peephole): Use delete_related_insns.
43 * ifcvt.c (noce_process_if_block): Use delete_insn; do not care updating
45 (find_cond_trap): Likewise.
46 * integrate.c (save_for_inline): Use delete_related_insns.
47 (copy_insn_list): Likewise.
48 * jump.c (pruge_linie_number_notes): Likewise.
49 (duplicate_loop_exit_test): Likewise.
50 (delete_computation): Likewise.
51 (delete_related_insn): Rename from ...; use delete_insn
52 (delete_insn): ... this one.
53 (redirect_jump): Use delete_related_insns.
54 * loop.c (scan_loop): Likewise.
55 (move_movables): Likewise.
56 (find_and_verify_loops): Likewise.
57 (check_dbra_loop): Likewise.
58 * recog.c (peephole2_optimize): Likewise.
59 * reg-stack.c (delete_insn_for_stacker): Remove.
60 (move_for_stack_reg): Use delete_insn.
61 * regmove.c (combine_stack_adjustments_for_block): Likewise.
62 * reload1.c (delete_address_reloads): Use delete_related_insns.
63 (fixup_abnormal_edges): Use delete_insn.
64 * recog.c (emit_delay_sequence): Use delete_related_insns.
65 (delete_from-delay_slot): Likewise.
66 (delete_scheduled_jump): likewise.
67 (optimize_skip): Likewise.
68 (try_merge_delay_insns): Likewise.
69 (full_simple_delay_slots): Likewise.
70 (fill_slots_from_thread): Likewise.
71 (relax_delay_slots): Likewise.
72 (make_return_insns): Likewise.
73 (dbr_schedule): Likewise.
74 * rtl.h (delete_insn): Rename to delete_related_insns.
75 (delete_insn, delete_insn_chain): New prototypes.
76 * ssa-ccp (sse_fast_dce): Remove deleting of DEF, as it is done
77 by df_insn_delete already.
78 * ssa-dce.c (delete_insn_bb): Use delete_insn.
79 * ssa.c (convert_from_ssa): Use delete_related_insns.
80 * unroll.c (unroll_loop): Likewise.
81 (calculate_giv_inc): Likewise.
82 (copy_loop_body): Likewise.
84 * i386-protos.h (ix86_libcall_value, ix86_function_value,
85 ix86_function_arg_regno_p, ix86_function_arg_boundary,
86 ix86_return_in_memory, ix86_function_value): Declare.
87 * i386.c (x86_64_int_parameter_registers, x86_64_int_return_registers):
88 new static valurables.
89 (x86_64_reg_class): New enum
90 (x86_64_reg_class_name): New array.
91 (classify_argument, examine_argument, construct_container,
92 merge_classes): New static functions.
93 (optimization_options): Enable flag_omit_frame_pointer and disable
94 flag_pcc_struct_return on 64bit.
95 (ix86_libcall_value, ix86_function_value,
96 ix86_function_arg_regno_p, ix86_function_arg_boundary,
97 ix86_return_in_memory, ix86_function_value): New global functions.
98 (init_cumulative_args): Refuse regparm on x86_64, set maybe_vaarg.
99 (function_arg_advance): Handle x86_64 passing conventions.
100 (function_arg): Likewise.
101 * i386.h (FUNCTION_ARG_BOUNDARY): New macro.
102 (RETURN_IN_MEMORY): Move offline.
103 (FUNCTION_VALUE, LIBCALL_VALUE): Likewise.
104 (FUNCTION_VALUE_REGNO_P): New macro.
105 (FUNCTION_ARG_REGNO_P): Move offline.
106 (struct ix86_args): Add maybe_vaarg.
107 * next.h (FUNCTION_VALUE_REGNO_P): Delete.
108 * unix.h (FUNCTION_VALUE_REGNO_P): Delete.
110 2001-09-21 Hartmut Penner <hpenner@de.ibm.com>
112 * s390.md: Changed attributes for scheduling.
113 * s390.c: (s390_adjust_cost, s390_adjust_priority)
116 2001-09-21 Joseph S. Myers <jsm28@cam.ac.uk>
118 Table-driven attributes.
119 * c-decl.c, config/alpha/alpha.c, config/arc/arc.c,
120 config/arm/arm.c, config/arm/pe.c, config/avr/avr.c,
121 config/avr/avr.h, config/d30v/d30v.h, config/fr30/fr30.h,
122 config/h8300/h8300.c, config/i386/cygwin.h, config/i386/winnt.c,
123 config/m32r/m32r.c, config/mcore/mcore.c, config/sh/sh.c,
124 config/stormy16/stormy16.h, config/v850/v850.c, doc/c-tree.texi,
125 doc/tm.texi, ggc-common.c, integrate.c, print-tree.c, tree.c,
126 tree.h: Rename DECL_MACHINE_ATTRIBUTES to DECL_ATTRIBUTES.
127 * tree.h (struct tree_decl): Change machine_attributes to
129 * doc/c-tree.texi: Document that all attributes are now attached
131 * c-common.c (add_attribute, attrtab, attrtab_idx,
132 default_valid_lang_attribute, valid_lang_attribute): Remove.
133 (attribute_tables, attributes_initialized,
134 c_common_attribute_table, default_lang_attribute_table): New
136 (handle_packed_attribute, handle_nocommon_attribute,
137 handle_common_attribute, handle_noreturn_attribute,
138 handle_unused_attribute, handle_const_attribute,
139 handle_transparent_union_attribute, handle_constructor_attribute,
140 handle_destructor_attribute, handle_mode_attribute,
141 handle_section_attribute, handle_aligned_attribute,
142 handle_weak_attribute, handle_alias_attribute,
143 handle_no_instrument_function_attribute,
144 handle_no_check_memory_usage_attribute, handle_malloc_attribute,
145 handle_no_limit_stack_attribute, handle_pure_attribute): New
147 (init_attributes, decl_attributes): Rewrite to implement
148 table-driven attributes.
149 * c-common.h (enum attribute_flags): Move to tree.h.
150 * c-format.c (decl_handle_format_attribute,
151 decl_handle_format_arg_attribute): Rename to
152 handle_format_attribute and handle_format_arg_attribute. Update
153 for table-driven attributes.
154 * c-common.h (decl_handle_format_attribute,
155 decl_handle_format_arg_attribute): Remove prototypes.
156 (handle_format_attribute, handle_format_arg_attribute): Add
158 * c-decl.c (grokdeclarator): Handle attributes nested inside
160 * c-parse.in (setattrs, maybe_setattrs): Remove.
161 (maybe_type_quals_setattrs): Rename to maybe_type_quals_attrs.
162 Update to handle nested attributes properly.
163 (maybe_resetattrs, after_type_declarator,
164 parm_declarator_nostarttypename, notype_declarator, absdcl1_noea,
165 absdcl1_ea, direct_absdcl1): Update to handle nested attributes
167 (make_pointer_declarator): Update to handle nested attributes
169 * doc/extend.texi: Update documentation of limits of attributes
170 syntax. Warn about problems with attribute semantics in C++.
171 * target.h (struct target): Remove valid_decl_attribute and
172 valid_type_attribute. Add attribute_table and
173 function_attribute_inlinable_p.
174 * target-def.h (TARGET_VALID_DECL_ATTRIBUTE,
175 TARGET_VALID_TYPE_ATTRIBUTE): Remove.
176 (TARGET_ATTRIBUTE_TABLE, TARGET_FUNCTION_ATTRIBUTE_INLINABLE_P):
178 (TARGET_INITIALIZER): Update.
179 * integrate.c (FUNCTION_ATTRIBUTE_INLINABLE_P): Remove default
181 (function_attribute_inlinable_p): New function. Check for the
182 presence of any machine attributes before using
183 targetm.function_attribute_inlinable_p.
184 (function_cannot_inline_p): Update.
185 * Makefile.in (integrate.o): Update dependencies.
186 * doc/tm.texi: Update documentation of target attributes and
187 example definition of TARGET_VALID_TYPE_ATTRIBUTE.
188 * tree.c (default_valid_attribute_p, valid_machine_attribute):
190 (default_target_attribute_table,
191 default_function_attribute_inlinable_p): New.
192 (lookup_attribute): Update comment to clarify handling of multiple
193 attributes with the same name.
194 (merge_attributes, attribute_list_contained): Allow multiple
195 attributes with the same name but different arguments to appear in
196 the same attribute list.
197 * tree.h (default_valid_attribute_p): Remove prototype.
198 (struct attribute_spec): New.
199 (default_target_attribute_table): Declare.
200 (enum attribute_flags): Move from c-common.h. Add
201 ATTR_FLAG_TYPE_IN_PLACE.
202 (default_function_attribute_inlinable_p): Declare.
203 * config/alpha/alpha.c (vms_valid_decl_attribute_p): Remove.
204 (TARGET_VALID_DECL_ATTRIBUTE): Don't define.
205 (TARGET_ATTRIBUTE_TABLE): Define.
206 (vms_attribute_table): New.
207 * config/arc/arc.c (arc_valid_decl_attribute): Remove.
208 (TARGET_VALID_DECL_ATTRIBUTE): Don't define.
209 (TARGET_ATTRIBUTE_TABLE): Define.
210 (arc_attribute_table, arc_handle_interrupt_attribute): New.
211 * config/arm/arm.c (arm_valid_type_attribute_p,
212 arm_valid_decl_attribute_p, arm_pe_valid_decl_attribute_p):
214 (TARGET_VALID_TYPE_ATTRIBUTE, TARGET_VALID_DECL_ATTRIBUTE): Don't
216 (TARGET_ATTRIBUTE_TABLE): Define.
217 (arm_attribute_table, arm_handle_fndecl_attribute,
218 arm_handle_isr_attribute): New.
219 * config/avr/avr.c (avr_valid_type_attribute,
220 avr_valid_decl_attribute): Remove.
221 (TARGET_VALID_DECL_ATTRIBUTE, TARGET_VALID_TYPE_ATTRIBUTE): Don't
223 (TARGET_ATTRIBUTE_TABLE): Define.
224 (avr_attribute_table, avr_handle_progmem_attribute,
225 avr_handle_fndecl_attribute): New.
226 * config/c4x/c4x.c (c4x_valid_type_attribute_p): Remove.
227 (TARGET_VALID_TYPE_ATTRIBUTE): Don't define.
228 (TARGET_ATTRIBUTE_TABLE): Define.
229 (c4x_attribute_table, c4x_handle_fntype_attribute): New.
230 * config/h8300/h8300.c (h8300_valid_decl_attribute): Remove.
231 (TARGET_VALID_DECL_ATTRIBUTE): Don't define.
232 (TARGET_ATTRIBUTE_TABLE): Define.
233 (h8300_attribute_table, h8300_handle_fndecl_attribute,
234 h8300_handle_eightbit_data_attribute,
235 h8300_handle_tiny_data_attribute): New.
236 * config/i386/i386-protos.h (ix86_valid_type_attribute_p,
237 i386_pe_valid_decl_attribute_p, i386_pe_valid_type_attribute_p):
239 (ix86_handle_dll_attribute, ix86_handle_shared_attribute): New
241 * config/i386/i386.c (ix86_valid_type_attribute_p: Remove.
242 (TARGET_VALID_TYPE_ATTRIBUTE, TARGET_VALID_DECL_ATTRIBUTE): Don't
244 (TARGET_ATTRIBUTE_TABLE): Define.
245 (ix86_attribute_table, ix86_handle_cdecl_attribute,
246 ix86_handle_regparm_attribute): New.
247 * config/i386/winnt.c (i386_pe_valid_decl_attribute_p,
248 i386_pe_valid_type_attribute_p): Remove.
249 (ix86_handle_dll_attribute, ix86_handle_shared_attribute): New.
250 * config/ia64/ia64.c (ia64_valid_type_attribute): Remove.
251 (TARGET_VALID_TYPE_ATTRIBUTE): Don't define.
252 (TARGET_ATTRIBUTE_TABLE): Define.
253 (ia64_attribute_table): New.
254 * config/m32r/m32r.c (m32r_valid_decl_attribute, interrupt_ident1,
255 interrupt_ident2, model_ident1, model_ident2): Remove.
256 (TARGET_VALID_DECL_ATTRIBUTE): Don't define.
257 (TARGET_ATTRIBUTE_TABLE): Define.
258 (init_idents): Update.
259 (m32r_attribute_table, m32r_handle_model_attribute): New.
260 * config/m68hc11/m68hc11.c (m68hc11_valid_type_attribute_p):
262 (TARGET_VALID_TYPE_ATTRIBUTE): Don't define.
263 (TARGET_ATTRIBUTE_TABLE): Define.
264 (m68hc11_attribute_table, m68hc11_handle_fntype_attribute): New.
265 * config/mcore/mcore.c (mcore_valid_decl_attribute): Remove.
266 (TARGET_VALID_DECL_ATTRIBUTE): Don't define.
267 (TARGET_ATTRIBUTE_TABLE): Define.
268 (mcore_attribute_table, mcore_handle_naked_attribute): New.
269 * config/ns32k/ns32k.c (ns32k_valid_type_attribute_p): Remove.
270 (TARGET_VALID_TYPE_ATTRIBUTE): Don't define.
271 (TARGET_ATTRIBUTE_TABLE): Define.
272 (ns32k_attribute_table, ns32k_handle_fntype_attribute): New.
273 * config/rs6000/rs6000.c (rs6000_valid_type_attribute_p): Remove.
274 (TARGET_VALID_TYPE_ATTRIBUTE): Don't define.
275 (TARGET_ATTRIBUTE_TABLE): Define.
276 (rs6000_attribute_table, rs6000_handle_longcall_attribute): New.
277 * config/sh/sh.c (sh_valid_decl_attribute): Remove.
278 (TARGET_VALID_DECL_ATTRIBUTE): Don't define.
279 (TARGET_ATTRIBUTE_TABLE): Define.
280 (sh_attribute_table, sh_handle_interrupt_handler_attribute,
281 sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
283 * config/stormy16/stormy16.c (stormy16_valid_type_attribute):
285 (TARGET_VALID_TYPE_ATTRIBUTE): Don't define
286 (TARGET_ATTRIBUTE_TABLE): Define.
287 (stormy16_attribute_table, stormy16_handle_interrupt_attribute):
289 * config/v850/v850.c (v850_valid_decl_attribute): Remove.
290 (TARGET_VALID_DECL_ATTRIBUTE): Don't define.
291 (TARGET_ATTRIBUTE_TABLE): Define.
292 (v850_attribute_table, v850_handle_interrupt_attribute,
293 v850_handle_data_area_attribute): New.
294 * config/v850/v850-c.c (mark_current_function_as_interrupt):
295 Return void. Call decl_attributes instead of
296 valid_machine_attribute.
298 Fri Sep 21 01:49:41 2001 J"orn Rennecke <amylaar@redhat.com>
300 * sh-protos.h (sh_pr_n_sets): Declare.
301 * sh.c (calc_live_regs): If the initial value for PR has been copied,
302 look at the copy to determine if PR needs to be saved.
303 sh_pr_n_sets: New function.
304 * sh.h (RETURN_ADDR_RTX): Use get_hard_reg_initial_val.
305 (ALLOCATE_INITIAL_VALUE): Define.
307 * sh.c (initial_elimination_offset):
308 Fix RETURN_ADDRESS_POINTER_REGNUM case.
310 Fri Sep 21 01:13:56 2001 J"orn Rennecke <amylaar@redhat.com>
312 * integrate.c (allocate_initial_values): New function.
313 * integrate.h (allocate_initial_values): Declare.
314 * local-alloc.c (local_alloc): Move call to allocate_reg_info from
316 * reload1.c (reload): And initialization of reg_equiv_memory_loc
318 * toplev.c (rest_of_compilation): To here.
319 Call allocate_initial_values.
320 * tm.texi: add description for ALLOCATE_INITIAL_VALUE.
322 Thu Sep 20 09:00:27 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
324 * ggc-page.c (ggc_marked_p): Properly convert return to boolean.
326 2001-09-20 DJ Delorie <dj@redhat.com>
328 * c-typeck.c (really_start_incremental_init): Discriminate
329 between zero-length arrays and flexible arrays.
330 (push_init_level): Detect zero-length arrays and handle them
331 like fixed-sized arrays.
332 * expr.c (store_constructor): Handle zero-length arrays and
333 flexible arrays correctly.
334 * doc/extend.texi: Update zero-length array notes.
336 2001-09-20 Jim Wilson <wilson@redhat.com>
338 * config/ia64/ia64.c (itanium_split_issue): Allow max 2 FP per cycle.
339 (insn_matches_slot): Handle TYPE_L and TYPE_X slots when checking
340 for issue port conflicts.
341 (cycle_end_fill_slots): TYPE_L instructions take two slots.
343 2001-09-20 Andrew MacLeod <amacleod@redhat.com>
345 * testsuite/gcc.c-torture/execute/990208-1.x: New. XFAIL at -O3
348 Thu Sep 20 09:00:27 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
350 * fold-const.c (hashtab.h): Include.
351 (int_const_binop): Remove FORSIZE arg and compute from type; all
353 Call size_int_type_wide for all single-word constants.
354 (size_htab_hash, size_htab_eq): New functions.
355 (size_int_type_wide): Rework to use hash table.
356 * ggc-common.c (hashtab.h): Include.
357 (struct d_htab_root): New struct.
358 (d_htab_roots): New variable.
359 (ggc_add_deletable_htab, ggc_htab_delete): New functions
360 (ggc_mark_roots): Handle deletable htabs.
361 * ggc-page.c (ggc_marked_p): New function.
362 * ggc-simple.c (ggc_marked_p): Likewise.
363 * ggc.h: Reformatting throughout.
364 (ggc_marked_p, ggc_add_deletable_htab): New declarations.
365 * tree.c (init_obstacks): Make type_hash_table a deletable root.
366 (type_hash_add): Allocate struct type_hash from GC memory.
367 (mark_hash_entry, mark_type_hash): Deleted.
368 (type_hash_marked_p, type_hash_mark): New functions.
369 * Makefile.in (ggc-common.o, fold-const.o): Include hashtab.h.
371 Thu Sep 20 12:49:34 2001 J"orn Rennecke <amylaar@redhat.com>
373 * sh.c (shiftcosts): Don't use shiftcosts array for modes wider
376 Thu Sep 20 09:00:27 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
378 * stor-layout.c (layout_type, case ARRAY_TYPE): Kludge to disable
379 array-too-large test for signed sizetype.
381 Thu Sep 20 12:19:36 CEST 2001 Jan Hubicka <jh@suse.cz>
383 * i386.md (indirect_jump): Allow Pmode operand.
384 (tablejump): LIkewise; perform expansion to 64bit mode.
385 * i386.c (symbolic_operand): Allow 64bit PIC references.
386 (pic_symbolic_operand): Likewise.
387 (ix86_find_base_term): Strip the 64bit PIC references.
388 (legitimate_pic_address_disp_p): Handle 64bit PIC.
389 (legitimize_pic_address): Likewise.
390 (i386_simplify_dwarf_addr): Strip down the 64bit PIC references.
391 * i386.h (CASE_VECTOR_MODE): Set to SImode for 64bit PIC compilation.
393 2001-09-19 Alan Modra <amodra@bigpond.net.au>
394 David Edelsohn <edelsohn@gnu.org>
397 * config/rs6000/rs6000.c (logical_operand): CONST_INTs are
398 already sign-extended.
400 * config/rs6000/aix.h (INIT_TARGET_OPTABS): Define TFmode handlers.
401 * config/rs6000/rs6000.c (logical_operand): Always compare op as
403 (rs6000_emit_set_long_const): Avoid unnecessary shift.
404 (output_profile_hook): Declare label_name const.
405 * config/rs6000/rs6000.md (boolcsi3, boolcdi3): Change predicates
406 to match constraints.
408 2001-09-19 Stan Shebs <shebs@apple.com>
410 * alias.c: Fix typos in comments.
411 * sched-rgn.c (init_ready_list): Ditto.
412 * unwind-dw2.c (uw_frame_state_for): Ditto.
413 * unwind-dw2-fde.c (_Unwind_Find_FDE): Ditto.
414 * unwind.inc (_Unwind_RaiseException_Phase2): Ditto.
415 * config/rs6000/rs6000.c (rs6000_adjust_priority): Ditto.
417 2001-09-19 Richard Henderson <rth@redhat.com>
419 * cfg.c (force_nonfallthru_and_redirect): Handle redirecting
421 * Makefile.in (cfg.o): Depend on TM_P_H.
423 2001-09-19 Richard Henderson <rth@redhat.com>
425 * config/alpha/alpha.c (local_symbol_p): Split out from ...
426 (local_symbolic_operand): ... here.
427 (small_symbolic_operand): Check mode.
428 (global_symbolic_operand): New.
429 (input_operand): Reject symbolics if explicit relocs.
430 (call_operand): Tidy.
431 (alpha_legitimize_address): Use movdi_er_high_g.
432 (alpha_expand_mov): Likewise.
433 * config/alpha/alpha-protos.h: Update.
434 * config/alpha/alpha.h (PREDICATE_CODES): Update.
435 * config/alpha/alpha.md (UNSPEC_LITERAL, UNSPEC_LITUSE): New.
436 (UNSPEC_LDGP2, UNSPECV_PLDGP2): New.
437 (UNSPECV_LDGP2): Remove.
438 (all call patterns): Use 's' not 'i' for symbolic constraint.
439 (call_osf call_value_osf): Use call_operand.
440 (all osf call patterns): Use $gp. New peepholes for explicit relocs.
441 (movdi_er_nofix, movdi_er_fix): Remove symbolic alternative.
442 (prologue_ldgp_1_er): Remove.
443 (ldgp_er_1, ldgp_er_2, prologue_ldgp_er_2): New.
444 (builtin_setjmp_receiver_er patterns): Use them.
445 (exception_receiver_er): Likewise.
447 2001-09-19 Richard Henderson <rth@redhat.com>
449 * cfgbuild.c (find_sub_basic_blocks): Handle insns that can throw.
451 * emit-rtl.c (try_split): Copy NORETURN, SETJMP, ALWAYS_RETURN
452 and NON_LOCAL_GOTO notes.
453 * recog.c (peephole2_optimize): Likewise. Handle EH_REGION;
454 copy over CALL_INSN_FUNCTION_USAGE.
456 2001-09-18 Catherine Moore <clm@redhat.com>
458 * config/stormy16/stormy16.h (DEFAULT_PCC_STRUCT_RETURN):
461 2001-09-18 Ulrich Weigand <uweigand@de.ibm.com>:
463 * config.gcc (s390-*-linux-*, s390x-*-linux*): Switch to
464 new-style tm_file specification. Specify correct tm_p_file,
465 md_file, and out_file for s390x.
467 * config/s390/linux.h, linux64.h: Don't include other target
468 macro header files. Now handled via tm_file.
470 * config/s390/linux.h, s390.h: (IEEE_FLOAT, TARGET_IEEE_FLOAT,
471 TARGET_IBM_FLOAT): Move from linux.h to s390.h to ensure they
472 are defined before use.
474 Tue Sep 18 09:51:11 2001 Eric Christopher <ecechristo@redhat.com>
476 * config/mips/mips.c (mips_asm_file_start): Conditionalize Elf
477 code generation only for Gnu assembler.
479 2001-09-18 Catherine Moore <clm@redhat.com>
481 * config/stormy16 (LIB_SPEC): Remove -lnosys.
483 2001-09-18 Richard Sandiford <rsandifo@redhat.com>
485 * config/mips/mips.c (mips_frame_set): New.
486 (mips_emit_frame_related_store): When storing two 32-bit FPRs, use
487 a parallel frame-related expression with a set for each register.
489 2001-09-18 Philip Blundell <philb@gnu.org>
491 * config/arm/lib1funcs.asm (L_dvmd_lnx): Don't rely on kernel
494 2001-09-17 Dale Johannesen <dalej@apple.com>
496 * config/rs6000/rs6000.h (FIXED_REGISTERS): Use FIXED_R2.
497 * config/rs6000/aix.h (FIXED_R2): Define.
498 * config/rs6000/darwin.h (FIXED_R2): Define.
499 * config/rs6000/sysv4.h (FIXED_R2): Define.
501 2001-09-17 Jeff Sturm <jsturm@one-point.com>
503 * except.c (dw2_build_landing_pads): New local
504 clobbers_hard_regs. Emit an ASM_INPUT as a scheduling
505 barrier after clobbers. Fixes c++/4012.
507 2001-09-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
509 * gcc.c (find_file): Use ACONCAT in lieu of alloca/strcpy/strcat.
511 2001-09-17 Joseph S. Myers <jsm28@cam.ac.uk>
513 * dostage2, dostage3, listing, make-l2.com, makefile.vms,
514 patch-apollo-includes, vmsconfig.com: Remove obsolete files.
516 2001-09-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
518 * c-aux-info.c (affix_data_type): Use ASTRDUP in lieu of
521 2001-09-17 Neil Booth <neil@daikokuya.demon.co.uk>
523 * cpphash.h (_cpp_lex_direct): New.
524 * cpplex.c (_cpp_lex_token): Update.
525 (lex_token): Rename _cpp_lex_direct; lex into pfile->cur_token,
526 and increment that pointer.
527 * cppmacro.c (alloc_expansion_token): New.
528 (lex_expansion_token): Lex macro expansion directly into
531 2001-09-16 Brad Lucier <lucier@math.purdue.edu>
533 * Makefile.in: Make rtl-error.o depend on $(CONFIG_H).
535 Sun Sep 16 21:59:46 CEST 2001 Jan hubicka <jh@suse.cz>
537 * basic-block.h (free_bb_for_insn): Declare.
538 * bb-reorder.c (label_for_bb): Use block_label.
539 (emit_jump_to_block_after): Remove.
540 (insert_intra_1): Do not update block_for_insn.
541 (insert_inter_bb_scope_notes): Likewise; update bb->end
542 * cfg.c (free_bb_for_insn): New.
543 (try_rediret_by_replacing_jump): Avoid set_block_for_new_insns call.
544 (force_nonfallthru_and_redirect): Likewise; do not update BB boundaries.
545 (commit_one_edge_insertion): Likewise.
546 (commit_one_edge_insertion): Do not update BB boundary.
547 (commit_edge_insertions): Do not call compute_bb_for_insn.
548 * cfgbuild.c (find_basic_blocks): Do not free basic_block_for_insn.
549 * cfgcleanup.c (merge_blocks_move_predecessor): Use reorder_insns_nobb.
550 (merge_blocks_move_successor_nojumps): Likewise.
551 (try_crossjump_to_edge): Do not update block_for_insn.
552 * combine.c (combine_instructions): Remove compute_bb_for_insn call.
553 * df.c (df_pattern_emit_later): Do not update BB boundary.
554 (df_jump_pattern_emit_after): Likewise.
555 (df_insn_move_before): Use emit_insn_before.
556 * emit-rtl.c (try_split): Emit after trial to get bb boundary updated
558 (add_insn_after, add_insn_before, emit_insns_after): Update BB
559 boundaries and basic_block_for_insn.
560 (reorder_insns_nobb): Rename from reorder_insns.
561 (reorder_insns): New.
562 (emit_block_insn_before, emit_block_insn_after): Kill.
563 * flow.c (check_function_return_warnings): Do not call
564 compute_bb_for_insn; Do not free basic_block_for_insn.
565 (attempt_auto_inc): Do not update basic_block_for_insn.
566 * function.c (emit_return_into_block): Likewise;
567 do not update BB boundaries.
568 * gcse.c (handle_avail_expr): Do not update basic_block_for_insn.
569 (insert_insn_end_bb): Use emit_insn_before; Likewise.
570 (pre_insert_copy_insn): Likewise.
571 (update_ld_motion_notes): Likewise.
572 (insert_insn_start_bb): Likewise.
573 (replace_store_insn): Likewise.
574 * ifcvt.c (noce_process_if_block): Likewise.
575 (if_convert): Do not call compute_bb_for_insn.
576 * lcm.c (optimize_mode_switching): Do not update BB boundaries.
577 Use emit_insn_before and emit_insn_after.
578 * recog.c (split_all_insns): Do not update BB boundaries;
579 Do not call compute_bb_for_insn.
580 (peephole2_optimize): Do not update BB boundaries.
581 * reg-stack.c (emit_pop_insn): Use emit_insn_after and
583 (emit_swap_insn): Likewise.
584 (convert_regs_1): Likewise.
585 * reload1.c (reload): Call compute_bb_for_insn.
586 * rtl.h (reorder_insns_nobb): Declare.
587 * ssa.c (rename_equivalent_regs): Use emit_insn_before.
588 * toplev.c (rest_of_compilation): Call free_bb_for_insn
589 at places CFG is invalidated; do not call compute_bb_for_insn.
591 * cfg.c (expunge_block): Invalidate BB structure.
593 * (merge_blocks_nomove): Update properly BLOCK_FOR_INSN
596 * cfg.c (verify_flow_info): Verify the basic_block_for_insn array.
598 2001-09-16 Neil Booth <neil@daikokuya.demon.co.uk>
600 * cpphash.h (_cpp_lex_token): Update prototype.
601 * cpplex.c (_cpp_lex_token): New prototype.
602 * cpplib.c (skip_rest_of_line, check_eol, _cpp_handle_directive,
603 lex_macro_node, read_flag, do_pragma_poison): Update.
604 * cppmacro.c (cpp_get_token, parse_params,
605 lex_expansion_token): Update.
607 2001-09-16 Neil Booth <neil@daikokuya.demon.co.uk>
609 * cppmain.c (scan_translation_unit): Don't worry about
610 putting a space after hashes.
611 * cpplib.c (directive_diagnostics): New.
612 (_cpp_handle_directive): Update to use directive_diagnostics.
613 (run_directive): Don't toggle prevent_expansion.
614 (do_line): Backup in case of the line extension.
615 * cpplib.h (cpp_lexer_pos): Remove.
616 * cppmacro.c (_cpp_create_definition): Precede a leading #
619 2001-09-15 Richard Henderson <rth@redhat.com>
621 * c-typeck.c (comptypes): Handle zero-length arrays properly.
623 2001-09-15 Roman Lechtchinsky <rl@cs.tu-berlin.de>
625 * c-common.c (c_promoting_integer_type_p): Handle ?Imode types.
627 2001-09-15 Neil Booth <neil@daikokuya.demon.co.uk>
630 * tradcpp.c (handle_directive): Skip non-vertical space.
632 2001-09-15 Neil Booth <neil@daikokuya.demon.co.uk>
634 * cppmain.c (setup_callbacks): Set line callback only
635 if outputting preprocessed source.
637 2001-09-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
639 * collect2.c (main): Const-ification.
640 * gcc.c (translate_options, process_command): Use xstrdup in
641 lieu of xmalloc/strcpy.
642 (main): Use concat in lieu of xmalloc/strcpy/strcat.
644 2001-09-14 Roman Lechtchinsky <rl@cs.tu-berlin.de>
646 * doc/install.texi (Specific, alphaev5-cray-unicosmk*): Fix
649 2001-09-15 Neil Booth <neil@daikokuya.demon.co.uk>
651 * scan-decls.c (scan_decls): Fix typo.
653 2001-09-15 Neil Booth <neil@daikokuya.demon.co.uk>
655 * cpphash.h (struct cpp_reader): Remove lexer_pos, directive_pos.
656 Split mlstring_pos into mls_line and mls_col.
657 * cppinit.c (cpp_create_reader): Initialize line to 1.
658 (cpp_destroy): Free tokenruns.
659 (push_include): Don't update lexer_pos.
660 * cpplex.c (unterminated, parse_string): Update.
661 (lex_token): Don't update lexer_pos, update.
662 * cpplib.c (if_stack): Save line instead of line + col.
663 (start_directive, _cpp_do__Pragma, do_else, do_elif,
664 push_conditional, _cpp_pop_buffer): Update.
665 * cppmacro.c (funlike_invocation_p): Don't save lexer_pos.
666 (_cpp_create_definition): Update.
668 2001-09-15 Eric Christopher <echristo@redhat.com>
670 * config/mips/abi64.h: Add support for MEABI.
672 2001-09-15 Eric Christopher <echristo@redhat.com>
674 * config/mips/mips.md: Add unspec #2.
676 (reload_outdi): Ditto.
677 (reload_outsi): Ditto.
680 2001-09-15 Eric Christopher <echristo@redhat.com>
681 Jason Eckhardt <jle@redhat.com>
683 * config.gcc: Add mipsisa32 target and mipsisa32-linux target.
684 * config/mips/isa32-linux.h: New file.
685 * config/mips/isa3264.h: Ditto.
686 * config/mips/mips-protos.h: Add mips_hard_regno_nregs.
687 * config/mips/mips.c (mips_hard_regno_nregs): Move here from mips.h.
688 (output_block_mode): Support MEABI.
689 (function_arg): Ditto. Fix floating point arg passing.
690 (mips_va_start): Ditto.
691 (override_options): Add isas 32 and 64, meabi, mips32 and mips64
693 (mips_asm_file_start): Add new section to pass abi to gdb.
694 (function_arg_pass_by_reference): Support MEABI.
695 (mips_parse_cpu): Support mips32 and mips64 processors.
696 * config/mips/mips.h: Support ABI_MEABI, TARGET_MIPS4KC,
697 TARGET_MIPS5KC. Support isa32 and isa64.
698 (processor_type): Add r4kc, r5kc, r20kc.
699 (GENERATE_MULT3_SI): New.
700 (GENERATE_MULT3_DI): Ditto.
701 (GENERATE_MULT3): Remove.
702 (ISA_HAS_64BIT_REGS): Add isa == 64.
703 (ISA_HAS_8CC): Add mips_isa = 32 and 64.
704 (ISA_HAS_MADD_MSUB): New.
705 (ISA_HAS_CLZ_CLO): Ditto.
706 (ISA_HAS_DCLZ_DCLO): Ditto.
707 (ABI_GAS_ASM_SPEC): New.
708 (GAS_ASM_SPEC): Use. Add support for mips32, mips64.
711 (SUBTARGET_CC1_SPEC): Ditto.
712 (SUBTARGET_CPP_SIZE_SPEC): Ditto.
713 (PAD_VARARGS_DOWN): Support MEABI.
714 (HARD_REGNO_NREGS): Move to mips.c.
715 (ASM_OUTPUT_IDENT): Add #undef.
716 * config/mips/mips.md: Add r4kc, r5kc, r20kc.
717 (mulsi3): Use GENERATE_MULT3_SI.
718 (mulsi3_mult3): Ditto. Support mips32, mips64.
719 (mul_acc_si): Use ISA_HAS_MADD_MSUB.
720 (mul_sub_si): New pattern.
721 (unnamed splitters): New.
722 (muldi3): Use GENERATE_MULT3_DI.
723 (muldi3_internal2): Ditto.
724 (movdicc): Support mips32.
725 * config/mips/t-isa3264: New file.
727 2001-09-15 Hans-Peter Nilsson <hp@axis.com>
729 * rtl.h (FIND_REG_INC_NOTE) [HAVE_PRE_INCREMENT
730 || HAVE_PRE_DECREMENT || HAVE_POST_INCREMENT
731 || HAVE_POST_DECREMENT]: Call find_regno_note for REGs.
733 * reorg.c (fill_slots_from_thread): After call to
734 steal_delay_list_from_target, update own_thread as new_thread may
737 2001-09-14 Neil Booth <neil@daikokuya.demon.co.uk>
739 * cpperror.c (print_location): Take line and column, for
740 default positioning use the previously lexed token.
741 (_cpp_begin_message): Take line and column.
742 (cpp_ice, cpp_fatal, cpp_error, cpp_error_with_line, cpp_warning,
743 cpp_warning_with_line, cpp_pedwarn, cpp_pedwarn_with_line): Update.
744 * cpphash.h (_cpp_begin_message): Update prototype.
745 * cppinit.c (push_include): Don't set output line.
746 * cpplex.c (_cpp_lex_token): Callback for start of new output lines.
747 * cpplib.c (do_diagnostic, _cpp_pop_buffer): Update.
748 (do_pragma): Kludge for front ends. Don't expand macros at all.
749 * cpplib.h (cpp_lookahead, cpp_token_with_pos, cpp_get_line): Remove.
750 (struct cpp_token): Remove output_line.
751 (struct cpp_callbacks): New member line_change.
752 * cppmacro.c (builtin_macro, paste_all_tokens, replace_args,
753 cpp_get_token): Preserve BOL flag.
754 (cpp_get_line): Remove.
755 (_cpp_backup_tokens): Remove useless abort().
756 * cppmain.c (cb_line_change): New.
757 (scan_translation_unit): Don't worry about starting new lines here.
758 * scan-decls.c (scan_decls): Update.
759 * c-lex.c (c_lex, init_c_lex): Update.
760 (cb_line_change, src_lineno): New.
762 Fri Sep 14 13:54:50 EDT 2001 John Wehle (john@feith.com)
764 * tree.c (append_random_chars): Generate the random
765 characters in a reproducable fashion.
767 2001-09-14 Richard Henderson <rth@redhat.com>
769 * config/i386/i386.c (internal_label_prefix): New.
770 (internal_label_prefix_len): New.
771 (override_options): Set them.
772 (local_symbolic_operand): New.
773 (legitimate_pic_address_disp_p): Use it.
774 (legitimize_pic_address): Likewise.
776 2001-09-14 Marc Espie <espie@openbsd.org>
778 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Generate reference to GOT
781 2001-09-14 Roman Lechtchinsky <rl@cs.tu-berlin.de>
783 * config/alpha/alpha.md (unaligned_extendhidi_be): Fix.
784 * config/alpha/unicosmk.h (INIT_TARGET_OPTABS): New.
786 2001-09-14 Nick Clifton <nickc@cambridge.redhat.com>
788 * rtlanal.c (subreg_regno_offset): Add semicolon to end of
789 invocation of SUBREG_REGNO_OFFSET.
791 * haifa-sched.c: Fix typo in FSF copyright statement.
792 * sched-deps.c: Fix typo in FSF copyright statement.
793 * sched-ebb.c: Fix typo in FSF copyright statement.
794 * sched-rgn.c: Fix typo in FSF copyright statement.
795 * sched-vis.c: Fix typo in FSF copyright statement.
797 * config.gcc: Move inclusion of arm elf specific header files
798 from the files themselves into the tm_file variable. Make
799 sure that elfos.h is included before target specific elf
801 * config/arm/aout.h (NO_DOLLAR_IN_LABEL): Only define if not
803 (ASM_OUTPUT_ASCII, ASM_OUTPUT_SKIP): Protect definition.
804 * config/arm.arm.h (TARGET_MEM_FUNCTIONS,
805 ASM_OUTPUT_CASE_LABEL): Protect definition.
806 (CC1_SPEC, FP_DEFAULT, ARM_FUNCTION_PROFILE): Only define if
808 * config/arm/conix-elf.h: (USER_LABEL_PREFIX,
809 LOCAL_LABEL_PREFIX, MAKE_DECL_ONE_ONLY, UNIQUE_SECTION):
810 Remove duplicate definition.
811 (READONLY_DATA_SECTION, SUBTARGET_EXTRA_SECTION,
812 (SUBTARGET_EXTRA_SECTION_FUNCTION, RDATA_SECTION_ASM_OP,
813 (RDATA_SECTION_FUNCTION): Remove redundant definition.
814 (STARTFILE_SPEC, ENDFILE_SPEC): Protect definition.
815 Remove inclusion of arm/elf.h.
816 * config/arm/unknown-elf.h: as for conix-elf.h.
817 (STARTFILE_SPEC): Include crti.o and crtn.o.
818 * config/arm/linux-elf.h: as for conix-elf.h.
819 * config/arm/ecos-elf.h: Remove inclusion of unknown-elf.h.
820 * config/arm/strongarm-elf.h: Remove inclusion of
822 * config/arm/xscale-elf.h: Remove inclusion of unknown-elf.h.
823 * config/arm/unknown-elf-oabi.h: Remove inclusion of
824 unknown-elf.h and elf.h.
825 * config/arm/uclinux-elf.h: Remove inclusion of linux-elf.h.
826 * config/arm/linux-gas.h (DBX_DEBUGGING_INFO,
827 ASM_WEAKEN_LABEL): Remove redundant definition.
828 * config/arm/elf.h: Test for inclusion of elfos.h
829 (USER_LABEL_PREFIX, ASM_DECLARE_RESULT, ASM_DECLARE_RESULT,
830 ASM_DECLARE_OBJECT_NAME, ASM_FINISH_DECLARE_OBJECT_NAME,
831 SUBTARGET_EXTRA_SECTION, SUBTARGET_EXTRA_SECTION_FUNCTION,
832 EXTRA_SECTIONS, INT_ASM_OP, ASM_WEAKEN_LABEL): Remove
833 redundant definition.
834 (TYPE_OPERAND_FMT, ASM_DECLARE_FUNCTION_NAME,
835 ASM_DECLARE_FUNCTION_SIZE, ASM_OUTPUT_INTERNAL_LABEL,
836 ASM_OUTPUT_ALIGNED_COMMON): Protect definition.
837 * t-arm-elf (EXTRA_MULTILIB_PARTS): Add crti.o and crtn.o.
838 Add rules to build crti.o and crtn.o
839 * crti.asm: New file.
840 * crtn.asm: New file.
842 2001-09-13 Neil Booth <neil@daikokuya.demon.co.uk>
844 * c-parse.in (_yylex): Use _cpp_backup_tokens.
845 * cpphash.h (struct tokenrun): Add prev.
846 (struct lexer_state): Remove bol.
847 (struct cpp_reader): Remove old lookahead stuff, add lookaheads.
848 (_cpp_free_lookaheads, _cpp_release_lookahead, _cpp_push_token)
850 * cppinit.c (cpp_create_reader): Don't set bol.
851 (cpp_destroy): Don't free lookaheads.
852 * cpplex.c (lex_directive): Remove.
853 (next_tokenrun): Update.
854 (_cpp_lex_token): Clean up logic.
855 (lex_token): Update to return a pointer to lexed token, since it
856 can move to the start of the buffer. Simpify newline handling.
857 * cpplib.c (SEEN_EOL): Update.
858 (skip_rest_of_line): Remove lookahead stuff.
859 (end_directive): Line numbers are already incremented. Revert
860 to start of lexed token buffer if we can.
861 (_cpp_handle_directive, do_pragma, do_pragma_dependency,
862 parse_answer): Use _cpp_backup_tokens.
863 (run_directive, cpp_pop_buffer): Don't set bol, set saved_flags
864 instead. Don't check for EOL.
865 (do_include_common, do_line, do_pragma_system_header): Use
867 * cpplib.h (BOL, _cpp_backup_tokens): New.
868 * cppmacro.c (save_lookahead_token, take_lookahead_token,
869 alloc_lookahead, free_lookahead, _cpp_free_lookaheads,
870 cpp_start_lookahead, cpp_stop_lookahead, _cpp_push_token): Remove.
871 (builtin_macro): Don't use cpp_get_line.
872 (cpp_get_line): Short term kludge.
873 (parse_arg): Handle directives in arguments here. Back up when
874 appropriate. Store EOF at end of argument list.
875 (funlike_invocation_p): Use _cpp_backup_tokens.
876 (push_arg_context): Account for EOF at end of list.
877 (cpp_get_token): Remove lookahead stuff. Update.
879 2001-09-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
881 * c-parse.in (yyerror): Const-ification and/or static-ization.
882 * c-typeck.c (push_member_name): Likewise.
883 * collect2.c (main): Likewise.
884 * dbxout.c (dbxout_parms): Likewise.
885 * diagnostic.c (format_with_decl): Likewise.
886 * dwarf2out.c (output_ranges): Likewise.
887 * dwarfout.c (fundamental_type_code): Likewise.
888 * except.c (dw2_output_call_site_table): Likewise.
889 * gcc.c (do_spec_1): Likewise.
890 * genopinit.c (optabs): Likewise.
891 * objc/objc-act.c (synth_id_with_class_suffix, start_class,
892 gen_declaration_1, handle_impent): Likewise.
893 * protoize.c (default_include, in_system_include_dir, abspath):
895 * sched-vis.c (visualize_stall_cycles): Likewise.
896 * sdbout.c (plain_type_1, sdbout_end_function,
897 sdbout_end_epilogue): Likewise.
898 * varasm.c (decode_reg_name): Likewise.
900 * 1750a.c (mod_regno_adjust): Likewise.
901 * alpha.c (alpha_write_one_linkage,
902 unicosmk_output_default_externs): Likewise.
903 * arm.c (arm_condition_codes): Likewise.
904 * arm.h (arm_condition_codes): Likewise.
905 * avr.c (output_movsisf, encode_section_info): Likewise.
906 * darwin.h (GEN_BINDER_NAME_FOR_STUB, GEN_SYMBOL_NAME_FOR_SYMBOL):
908 * i386.c (hi_reg_name, qi_reg_name, qi_high_reg_name): Likewise.
909 * i386.h (hi_reg_name, qi_reg_name, qi_high_reg_name): Likewise.
910 * m88k.c (output_function_profiler): Likewise.
911 * mips.c (mips_output_conditional_branch): Likewise.
912 * ns32k.c (ns32k_out_reg_names): Likewise.
913 * ns32k.h (ns32k_out_reg_names): Likewise.
914 * pj.c (pj_output_rval): Likewise.
915 * rs6000.c (GEN_LOCAL_LABEL_FOR_SYMBOL): Likewise.
916 * sparc.c (sparc_flat_function_prologue,
917 sparc_flat_function_epilogue): Likewise.
919 2001-09-13 Markus Werle <numerical.simulation@web.de>
920 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
922 * doc/install.texi (Binaries): Add "Binaries for HP-UX 11.00 at
923 Aachen University of Technology".
925 2001-09-13 Andreas Schwab <schwab@suse.de>
927 * config/float-m68k.h: Define DECIMAL_DIG and FLT_EVAL_METHOD for
930 2001-09-13 Richard Henderson <rth@redhat.com>
932 * config/alpha/alpha.c (small_symbolic_operand): New.
933 (override_options): Set MASK_SMALL_DATA based on pic/PIC.
934 (some_operand, input_operand): Don't handle HIGH.
935 (alpha_legitimize_address): Use it. Emit HIGH with PLUS gp.
936 (alpha_expand_mov): Likewise.
937 (print_operand) [H]: Just print HIGH symbol.
938 (print_operand_address): Handle small data.
939 * config/alpha/alpha.h (MASK_SMALL_DATA, TARGET_SMALL_DATA): New.
940 (TARGET_SWITCHES): Add -msmall-data/large-data.
941 (PIC_OFFSET_TABLE_REGNUM): New.
942 (PREFERRED_RELOAD_CLASS): Don't handle HIGH.
943 (PREDICATE_COES): Update.
944 * config/alpha/alpha.md (adddi_er_high): New.
945 (adddi_er_low): Handle small data.
946 * config/alpha/elf.h (DO_SELECT_SECTION): If SMALL_DATA,
947 prefer .sdata to .rodata.
948 (SELECT_RTX_SECTION): Likewise.
950 2001-09-12 Josh Martin <josh.martin@abq.sc.philips.com>
952 * fixinc/inclhack.def(hpux11_size_t): Keep HP-UX headers from
953 defining __size_t and leaving size_t undefined.
955 2001-09-12 Diego Novillo <dnovillo@redhat.com>
957 * basic-block.h (expunge_block): Declare.
958 * cfg.c (expunge_block): Remove static declaration.
960 2001-09-12 Richard Henderson <rth@redhat.com>
962 * integrate.c (copy_insn_list): Copy label name from
963 NOTE_INSN_DELETED_LABEL.
965 2001-09-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
967 * c-common.c (c_tree_code_name): Const-ification.
968 * c-decl.c (c_decode_option): Likewise.
969 * c-typeck.c (warn_for_assignment): Likewise.
970 * collect2.c (libexts, is_ctor_dtor, main, ignore_library):
972 * cppinit.c (output_deps): Likewise.
973 * dependence.c (dependence_string, direction_string): Likewise.
974 * dwarf2out.c (output_ranges): Likewise.
975 * fixinc/fixfixes.c (emit_gnu_type): Likewise.
976 * fixinc/gnu-regex.c (re_error_msgid): Likewise.
977 * gcc.c (standard_exec_prefix, standard_exec_prefix_1,
978 standard_startfile_prefix, standard_startfile_prefix_1,
979 standard_startfile_prefix_2, tooldir_base_prefix,
980 standard_bindir_prefix, find_a_file): Likewise.
981 * genattrtab.c (make_length_attrs): Likewise.
982 * gencheck.c (tree_codes): Likewise.
983 * genemit.c (gen_split): Likewise.
984 * genrecog.c (special_mode_pred_table): Likewise.
985 * graph.c (graph_ext): Likewise.
986 * protoize (default_include): Likewise.
987 * reload.c (reload_when_needed_name): Likewise.
988 * sched-vis.c (visualize_stall_cycles): Likewise.
989 * tlink.c (recompile_files): Likewise.
990 * toplev.c (decode_g_option): Likewise.
991 * tradcpp.c (output_deps): Likewise.
992 * varasm.c (decode_reg_name): Likewise.
994 * arm.c (arm_condition_codes, strings_fpa, thumb_condition_code):
997 * avr.c (avr_regnames, encode_section_info): Likewise.
998 * c4x.c (float_reg_names): Likewise.
999 * darwin.h (ASM_GLOBALIZE_LABEL): Likewise.
1000 * elfos.h (const_section): Likewise.
1001 * i386.c (ix86_comp_type_attributes): Likewise.
1002 * i386/win32.h (STRIP_NAME_ENCODING): Likewise.
1003 * ia64/aix.h (UNIQUE_SECTION): Likewise.
1004 * ia64.c (type_names): Likewise.
1005 * m68hc11.c (reg_class_names): Likewise.
1006 * m88k.c (m_options): Likewise.
1007 * mips.c (mips_output_conditional_branch, mips_unique_section):
1009 * rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
1010 * sparc.c (sparc_flat_function_prologue, sparc_flat_function_epilogue,
1011 ultra_code_names): Likewise.
1012 * sparc.h (OVERRIDE_OPTIONS): Likewise.
1014 2001-09-12 Jakub Jelinek <jakub@redhat.com>
1016 * configure.in (gcc_cv_as_shf_merge): Fix a typo.
1017 Use --fatal-warnings option for gas.
1018 * configure: Rebuilt.
1020 2001-09-12 Roman Lechtchinsky <rl@cs.tu-berlin.de>
1022 * doc/install.texi (Specific, alphaev5-cray-unicosmk*): Document.
1024 2001-09-11 Jim Wilson <wilson@redhat.com>
1026 * alias.c (clear_reg_alias_info): Only handle pseudo registers.
1028 2001-10-11 Matt Kraai <kraai@alumni.carnegiemellon.edu>
1030 * builtins.c (c_strlen): Treat an offset too large for a
1031 HOST_WIDE_INT as out of range.
1033 Tue Sep 11 18:57:47 CEST 2001 Jan Hubicka <jh@suse.cz>
1035 * basic-block.h (EDGE_CRITICAL): Remove; renumber other flags.
1036 (EDGE_CRITICAL_P): New predicate.
1037 * cfg.c (force_nonfallthru_and_redirect, split_edge): Kill EDGE_CRITICAL
1039 (insert_insn_on_edge): Use EDGE_CRITICAL_P.
1040 (dump_edge_info): Remove "crit".
1041 * cfganal.c (mark_critical_edges): Kill.
1042 * cfgbuild.c (find_basic_blocks): Remove mark_critical_edges call.
1043 * cfgcleanup.c (cleanup_cfg): Likewise.
1044 * profile.c (instrument_edges): Use EDGE_CRITICAL_P.
1045 (find_spanning_tree): Likewise.
1046 * reg-stack.c (convert_regs_1): Likewise.
1047 * ssa.c (mark_regs_equivalent_over_bad_edges): Likewise.
1049 * basic-block.h (create_basic_block_structure): New.
1050 (create_basic_block): Update prototype.
1051 (force_nonfallthru): New.
1052 * bb-reorder.c (fixup_reorder_chain): Fixup use force_nonfallthru.
1053 * cfg.c (create_basic_block_structure): Rename from create_basic_block;
1054 handle updating of block_for_insn, creating of empty BBs and BBs at
1055 the end of INSN chain.
1056 (create_basic_block): New function.
1057 (split_block): Use create_basic_block.
1058 (force_nonfallthru_and_redirect): Break out from ...; cleanup
1059 (redirect_edge_and_branch_force): ... here.
1060 (force_nonfallthru): New.
1061 (split_edge): Rewrite to use force_nonfallthru and create_block.
1062 * cfgbuild.c (find_basic_blocks_1): Use create_basic_block_structure.
1063 (find_basic_blocks): Free basic_block_for_insn.
1064 * cfgcleanup.c (merge_blocks): Use force_nonfallthru.
1066 * cfg.c: Fix formating.
1067 * cfgcleanup.c: Fix formating.
1068 (merge_blocks, tail_recursion_label_p): Return bool.
1069 (merge_blocks_move_predecessor_nojumps,
1070 merge_blocks_move_successor_nojumps): Return void.
1072 2001-09-11 Jakub Jelinek <jakub@redhat.com>
1074 * configure.in: Check whether assembler supports section merging.
1075 * config.in: Rebuilt.
1076 * configure: Rebuilt.
1077 * varasm.c (variable_section, output_constant_pool): Pass alignment
1078 to SELECT_SECTION and SELECT_RTX_SECTION.
1079 (mergeable_string_section): New.
1080 (mergeable_constant_section): New.
1081 (default_elf_asm_named_section): Output SECTION_MERGE and
1082 SECTION_STRINGS flags plus SECTION_ENTSIZE entity size.
1083 * output.h (mergeable_string_section): New.
1084 (mergeable_constant_section): New.
1085 (SECTION_MERGE, SECTION_STRINGS, SECTION_ENTSIZE): Define.
1086 * toplev.c (flag_merge_constants): New.
1087 (f_options): Add -fmerge-constants and -fmerge-all-constants
1089 (toplev_main): Default to -fno-merge-constants if not optimizing.
1090 * flags.h (flag_merge_constants): Add extern.
1091 * invoke.texi (-fmerge-constants, -fmerge-all-constants): Document.
1092 * tm.texi (SELECT_SECTION, SELECT_RTX_SECTION): Document added third
1094 * config/elfos.h (ASM_SECTION_START_OP, ASM_OUTPUT_SECTION_START):
1095 Define if assembler has working .subsection -1 support.
1096 (SELECT_RTX_SECTION, SELECT_SECTION): Add third macro argument.
1097 Put constant into special SHF_MERGE sections if the linker should
1098 attempt to merge duplicates.
1099 * config/ia64/sysv4.h (SELECT_RTX_SECTION, SELECT_SECTION): Add third
1101 Put constant into special SHF_MERGE sections if the linker should
1102 attempt to merge duplicates.
1103 * config/alpha/elf.h: Likewise.
1104 (ASM_SECTION_START_OP, ASM_OUTPUT_SECTION_START): Define if assembler
1105 has working .subsection -1 support.
1106 * config/nextstep.h: Add third argument to SELECT_RTX_SECTION and
1108 * config/svr3.h: Likewise.
1109 * config/darwin.h: Likewise.
1110 * config/arm/aof.h: Likewise.
1111 * config/arm/linux-elf.h: Likewise.
1112 * config/avr/avr.h: Likewise.
1113 * config/c4x/c4x.h: Likewise.
1114 * config/d30v/d30v.h: Likewise.
1115 * config/i386/dgux.h: Likewise.
1116 * config/i386/osfrose.h: Likewise.
1117 * config/i386/sco5.h: Likewise.
1118 * config/i386/svr3gas.h: Likewise.
1119 * config/ia64/aix.h: Likewise.
1120 * config/m32r/m32r.h: Likewise.
1121 * config/m68k/m68k.h: Likewise.
1122 * config/m88k/dgux.h: Likewise.
1123 * config/m88k/m88k.h: Likewise.
1124 * config/mcore/mcore-pe.h: Likewise.
1125 * config/mips/mips.h: Likewise.
1126 * config/pa/pa.h: Likewise.
1127 * config/pa/pa-linux.h: Likewise.
1128 * config/romp/romp.h: Likewise.
1129 * config/rs6000/sysv4.h: Likewise.
1130 * config/rs6000/xcoff.h: Likewise.
1131 * config/s390/linux.h: Likewise.
1132 * config/sparc/sparc.h: Likewise.
1133 * config/sparc/sysv4.h: Likewise.
1134 * config/stormy16/stormy16.h: Likewise.
1135 * config/v850/v850.h: Likewise.
1136 * config/vax/vms.h: Likewise.
1137 * config/arm/arm.c (arm_elf_asm_named_section): Output SECTION_MERGE
1138 and SECTION_STRINGS flags plus SECTION_ENTSIZE entity size.
1139 * config/sparc/sparc.c (sparc_elf_asm_named_section): Use
1140 default_elf_asm_named_section for SHF_MERGE sections.
1142 Tue Sep 11 17:55:54 CEST 2001 Jan Hubicka <jh@suse.cz>
1144 * bb-reorder.c (fixup_reorder_chain): Fallthru edge to exit block
1147 2001-09-11 Joseph S. Myers <jsm28@cam.ac.uk>
1149 * c-common.c (split_specs_attrs): Allow for empty attributes with
1150 empty TREE_PURPOSE. Fixes PR c/4294.
1152 Tue Sep 11 11:37:52 CEST 2001 Jan Hubicka <jh@suse.cz>
1154 * basic-block.h (cached_make_edge, make_single_succ): New.
1155 (make_edge): Remove first parameter.
1156 * bb-reroder.c (fixup_reorder_chain): Use make_single_succ_edge.
1157 * cfg.c (cached_make_edge): Rename from make_edge; return newly
1158 created edge; use obstack allocation.
1159 (make_edge, make_single_succ_edge): New.
1160 (first_removed_edge): New static variable.
1161 (init_flow): Initialize first_removed_edge and n_edges.
1162 (clear_edges): Use remove_edge.
1163 (flow_delete_block): Likewise.
1164 (remove_edge): Add removed edges to the removed edges list.
1165 (split_block, redirect_edge_and_branch_force, split_edge):
1167 * cfganal.c (flow_call_edges_add): Updaet make_edge call.
1168 (add_noreturn_fake_exit_edges): Likewise.
1169 (connect_infinite_loops_to_exit): Liekwise.
1170 * cfgbuild.c (make_label_edge, make_edges, find_sub_basic_blocks):
1171 Use cached_make_edge.
1172 * cfgcleanup.c (try_crossjump_to_edge): Use make_single_succ_edge.
1173 * profile.c (branch_prob): Update make_edge call.
1174 * ssa-dce.c (ssa_eliminate_dead_code): Likewise.
1176 2001-09-11 Richard Henderson <rth@redhat.com>
1178 * config/alpha/alpha.c: Tidy formatting.
1179 (local_symbolic_operand): Verify mode.
1180 (alpha_sa_mask): Ignore unicos for eh_return.
1181 (alpha_expand_epilogue): Handle sp_adj2 zero, not NULL.
1182 * config/alpha/alpha.md (umk divsi patterns): Remove.
1183 (extendsfdf2): Remove unicos check.
1184 (tablejump): Merge vms and unicos code; always use direct set
1187 2001-09-11 Roman Lechtchinsky <rl@cs.tu-berlin.de>
1189 * config.gcc (alpha*-*-unicosmk*): New target.
1191 * config/alpha/alpha-protos.h (symbolic_operand,
1192 unicosmk_add_call_info_word, unicosmk_add_extern,
1193 unicosmk_defer_case_vector, unicosmk_unique_section,
1194 unicosmk_output_align, unicosmk_text_section, unicosmk_data_section,
1195 unicosmk_asm_file_start, unicosmk_asm_file_end,
1196 unicosmk_output_common): Declare.
1198 * config/alpha/alpha.c (NUM_ARGS, override_options, call_operand,
1199 direct_return, function_arg, alpha_va_start, alpha_va_arg,
1200 alpha_does_function_need_gp, alpha_end_function): Support Cray
1202 (alpha_init_machine_status, alpha_mark_machine_status,
1203 alpha_free_machine_status, unicosmk_output_deferred_case_vectors,
1204 unicosmk_gen_dsib, unicosmk_output_ssib, unicosmk_need_dex,
1205 unicosmk_asm_named_section, unicosmk_insert_attributes,
1206 unicosmk_section_type_flags, symbolic_operand,
1207 unicosmk_output_module_name, unicosmk_output_default_externs,
1208 unicosmk_output_dex, unicosmk_output_externs,
1209 unicosmk_output_addr_vec, unicosmk_ssib_name,
1210 unicosmk_initial_elimination_offset, unicosmk_asm_file_start,
1211 unicosmk_asm_file_end, unicosmk_output_common,
1212 unicosmk_section_type_flags, unicosmk_unique_section,
1213 unicosmk_add_call_info_word, unicosmk_text_section,
1214 unicosmk_data_section, unicosmk_extern_list, unicosmk_extern_head,
1215 unicosmk_add_extern, unicosmk_dex, unicosmk_dex_list,
1216 unicosmk_dex_count, unicosmk_special_name): New.
1217 (TARGET_INSERT_ATTRIBUTES, TARGET_SECTION_TYPE_FLAGS): Define for
1218 TARGET_ABI_UNICOSMK.
1219 (get_aligned_mem, alpha_expand_unaligned_load,
1220 alpha_expand_unaligned_store, alpha_expand_unaligned_load_words,
1221 alpha_expand_unaligned_store_words): Support big-endian mode.
1222 (print_operand): Likewise. New format specifier 't'. Use
1223 TARGET_AS_SLASH_BEFORE_SUFFIX.
1224 (alpha_is_stack_procedure): Rename from vms_is_stack_procedure.
1225 (alpha_pv_save_size): Update with above change.
1226 (alpha_sa_mask, alpha_sa_size, alpha_expand_prologue,
1227 alpha_start_function, alpha_expand_epilogue): Likewise. Support Cray
1230 * config/alpha/alpha.h (TARGET_ABI_UNICOSMK): New.
1231 (TARGET_ABI_OSF): Exclude TARGET_ABI_UNICOSMK.
1232 (TARGET_AS_SLASH_BEFORE_SUFFIX): New.
1233 (EXTRA_CONSTRAINT): New constraint 'U'.
1234 (PREDICATE_CODES): Add symbolic_operand.
1236 * config/alpha/alpha.md (UNSPEC_UMK_LAUM, UNSPEC_UMK_LALM,
1237 UNSPEC_UMK_LAL, UNSPEC_UMK_LOAD_CIW): New constants.
1238 (mulsi3, *mulsi_se, mulvsi3): Disable for TARGET_ABI_UNICOSMK.
1239 (integer division and modulus patterns): Split in default and
1241 (*divmodsi_internal, *divmoddi_internal): Disable for
1242 TARGET_ABI_UNICOSMK.
1243 (unaligned_extend?idi, unaligned_load?i, unaligned_store?i): Split in
1244 little-endian and big-endian versions.
1245 (ext, ins, msk): Likewise.
1246 (extv, extzv, insv): Support big-endian mode.
1247 (call, call_value, tablejump): Support TARGET_ABI_UNICOSMK.
1248 (call_umk, call_value_umk, *call_umk, tablejump_umk,
1249 *tablejump_umk_internal, *call_value_umk): New.
1250 (*movdi_nofix): Add pattern for loading an address into a register on
1251 TARGET_ABI_UNICOSMK.
1252 (umk_laum, umk_lal, umk_lalm, *umk_load_ciw): New.
1253 (umk_mismatch_args, arg_home_umk): New.
1254 (various insns): Don't use mov, fmov, nop, fnop and unop.
1255 (realign): Support TARGET_ABI_UNICOSMK.
1257 * config/alpha/unicosmk.h: New file.
1258 * config/alpha/t-unicosmk: New file.
1260 * fixinc/inclhack.def (unicosmk_restrict): New.
1261 * fixinc/fixincl.x: Regenerate.
1263 * ginclude/stddef.h (size_t): Check for and define __SIZE_T__.
1264 (wchar_t): Check for and define __WCHAR_T__.
1266 2001-09-11 Richard Sandiford <rsandifo@redhat.com>
1268 * combine.c (simplify_shift_const): Treat shifts by the mode
1271 2001-09-11 Neil Booth <neil@daikokuya.demon.co.uk>
1273 * cpphash.h (struct tokenrun): New.
1274 (struct cpp_context): New member bol.
1275 (struct cpp_reader): New members.
1276 (_cpp_init_tokenrun): New.
1277 * cppinit.c (cpp_create_reader): Set up the token runs.
1278 * cpplex.c (lex_directive, lex_token, next_tokenrun): New.
1279 (lex_token): New internalised version of _cpp_lex_token. Don't
1280 handle directives or the multiple include opimisation here any
1281 more. Simply lex a token.
1282 * cpplib.c (run_directive): Clear bol.
1283 (_cpp_pop_buffer): Set bol.
1284 * cppmacro.c (funlike_invocation_p): Keep tokens whilst parsing
1287 2001-09-11 Michael Meissner <meissner@redhat.com>
1289 * config/mips/mips.h (CC1_SPEC): If -mgp32 default to -mfp32, and
1290 give an error if the user uses -mfp32.
1291 (CPP_FPR_SPEC): Define __mips_fpr to be 32 or 64 depending on the
1293 (CPP_SPEC): Define __mips_fpr to be 32 or 64, depending on the
1294 floating point register size.
1295 (EXTRA_SPECS): Add CPP_FPR_SPEC.
1297 * config/mips/netbsd.h (ASM_FINISH_DECLARE_OBJECT): Use
1298 HOST_WIDE_INT_PRINT_DEC to properly print the result of
1300 * config/mips/elf.h (ASM_FINISH_DECLARE_OBJECT): Ditto.
1301 * config/mips/elf64.h (ASM_FINISH_DECLARE_OBJECT): Ditto.
1303 2001-09-11 Hans-Peter Nilsson <hp@axis.com>
1305 * dbxout.c (dbxout_parms): Fix typo in comment.
1306 * unroll.c (loop_find_equiv_value): Ditto.
1307 * toplev.c (rest_of_compilation): Ditto.
1308 * loop.c (scan_loop): Ditto.
1309 * dwarf2out.c (struct dw_fde_struct): Ditto.
1311 2001-09-10 Zack Weinberg <zackw@panix.com>
1313 * cpplex.c (parse_identifier): Fast-path optimize. Avoid
1314 copying identifier when we're just going to throw it away.
1315 (parse_identifier_slow): New routine to handle abnormal cases.
1316 (_cpp_lex_token): Update call site.
1318 * hashtable.c (ht_lookup): Don't assume that the string we've
1319 been given is NUL-terminated.
1320 * system.h: #define __builtin_expect(a, b) to (a) if not
1323 2001-09-10 Michael Meissner <meissner@redhat.com>
1325 * config.gcc (sparc64-*-solaris2): Add alias to be compatible with
1328 2001-09-10 David Edelsohn <edelsohn@gnu.org>
1330 * config/rs6000/t-aix43 (SHLIB_INSTALL): Use mode 751 (a+x,r-o).
1332 Mon Sep 10 16:26:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1334 * builtins.c (c_getstr): Correct thinko in last change and further
1337 2001-09-10 Tim Freeman <tim@fungibole.com>
1339 * dwarf2out.c (incomplete_types, decl_scope_table): Make them
1340 into varray's and register them as roots with the garbage
1341 collector so they are not collected too soon.
1343 Mon Sep 10 14:21:26 CEST 2001 Jan Hubicka <jh@suse.cz>
1345 * Makefile.in (cfg.o, cfganal.o, cfgloop.o, cfgbuild.o, cfgcleanup.o):
1347 * basic-block.h (flow_obstack, label_value_list,
1348 tail_recursion_label_list): Declare
1349 (tidy_fallthru_edges): Declare.
1350 (expunge_block, last_loop_beg_note): Delete.
1351 (can_fallthru, flow_nodes_print, flow_edge_list_print): Declare.
1353 (basic_block_for_insn, label_value_list): Move from flow.c; make global.
1354 (n_basic_blocks, n_edges, basic_block_info, entry_exit_blocks,
1355 init_flow, clear_edges, can_delete_note_p, can_delete_label_p,
1356 flow_delete_insn, flow_delete_insn_chain, create_basic_block,
1357 expunge_block, flow_delete_block, compute_bb_for_insn,
1358 update_bb_for_insn, set_block_for_insn, set_block_for_new_insns,
1359 make_edge, remove_edge, redirect_edge_succ, redirect_edge_succ_nodup,
1360 redirect_edge_pred, split_block, marge_blocks_nomove, block_label,
1361 try_redirect_by_replacing_jump, last_loop_beg_note,
1362 redirect_edge_and_branch, redirect_edge_and_branch_force,
1363 tidy_fallthru_edge, tidy_fallthru_edges, back_edge_of_syntactic_loop_p,
1364 split_edge, insert_insn_on_edge, commit_one_edge_insertion,
1365 commit_edge_insertions, dump_flow_info, debug_flow_info,
1366 dump_edge_info, dump_bb, debug_bb, debug_bb_n, print_rtl_with_bb,
1367 verify_flow_info, purge_dead_edges, purge_all_dead_edges):
1368 Move here from flow.c
1369 * cfganal.c: New file.
1370 (forwarder_block_p, can_fallthru, mark_critical_edges,
1371 mark_dfs_back_edges, need_fake_edge_p, flow_call_edges_add,
1372 find_unreachable_blocks, create_edge_list, free_edge_list,
1373 print_edge_list, verify_edge_list, find_edge_index, flow_nodes_print,
1374 flow_edge_list_print, remove_fake_successors, remove_fake_edges,
1375 add_noreturn_fake_exit_edges, connect_infinite_loops_to_exit,
1376 flow_reverse_top_sort_order_compute, flow_depth_first_order_compute,
1377 flow_dfs_compute_reverse_init, flow_dfs-compute_reverse_add_bb,
1378 flow_dfs-compute_reverse_execute, flow_dfs_compute_reverse_finish);
1379 Move here from flow.c
1380 * cfgbuild.c: New file
1381 (count_basic_blocks, find_label_refs, make_label_edge, make_eh_edge,
1382 make_edges, find_basic_blocks_1, find_basic_blocks,
1383 find_sub_basic_blocks): Move here from flow.c
1384 * cfgcleanup.c: New file.
1385 (try_simplify_condjump, try_forward_edges, tail_recursion_label_p,
1386 merge_blocks_move_predecessor_nojumps,
1387 merge_blocks_move_successor_nojumps, merge_blocks,
1388 flow_find_cross_jump, outgoing_edges_match, try_crossjump_to_edge,
1389 try_crossjump_bb, try_optimize_cfg): Move here from flow.c
1390 (delete_unreachable_blocks, cleanup_cfg): Likewise; return true
1392 * cfgloop.c: New file
1393 (flow_loops_cfg_dump, flow_loop_nested_p, flow_loop_dump,
1394 flow_loops_dump, flow_loops_free, flow_loop_entry_edges_find,
1395 flow_loop_exit_edges_find, flow_loop_nodes_find,
1396 flow_loop_pre_header_scan, flow_loop_pre_header_find,
1397 flow_loop_tree_node_add, flow_loops_tree_build,
1398 flow_loop_level_compute, flow_loops_level_compute, flow_loop_scan,
1399 flow_loops_find, flow_loops_update, flow_loop_outside_edge_p):
1400 Move here from flow.c
1401 * flow.c: Remove everything moved elsewhere
1402 * output.h (cleanup_cfg): Return bool.
1404 * bb-reorder.c (reorder_block_def): Remove 'index'.
1405 (insert_intra_1): Add argument BB, set block for new note.
1406 (make_reorder_chain): Do not depdent on BB indexes.
1407 (make_reorder_chain_1): Do not use BB indexes.
1408 (label_for_bb): Likewise; set BB for new insn.
1409 (emit_jump_to_block_after): Likewise.
1410 (fixup_reoder_chain): Sanity check that all basic blocks
1411 are chained; verify newly created insn chain; remove
1412 undocnitional jump simplifying; Do not use BB indexes;
1413 properly initialize count and frequency information;
1414 dump reordered sequence.
1415 (insert_intra_bb_scope_notes): update call of insert_intra_1.
1416 (insert_inter_bb_scope_notes): Set block for new insn.
1417 (reorder_basic_blocks): Dump flow info before reoredering.
1419 Mon Sep 10 06:47:35 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1421 * alias.c (clear_reg_alias_info): Use K&R format definition.
1422 Avoid unsigned warning.
1423 * builtins.c: Use "unsigned int", not "unsigned".
1424 (target_char_cast): Use host_integerp and tree_low_cst.
1425 (expand_builtin_args_info, expand_builtin_frame_address): Likewise.
1426 (c_strlen): Likewise; OFFSET now HOST_WIDE_INT.
1427 (c_getstr): Likewise.
1428 (std_expand_builtin_va_arg): Use int_size_in_bytes.
1429 (builtin_memcpy_read_str): Avoid unsigned warning.
1430 (expand_builtin_memcpy): Alignments are unsigned.
1431 (expand_builtin_strncpy, expand_builtin_memset): Likewise.
1432 (expand_builtin_expect_jump): Use integer_zerop and integer_onep.
1433 * predict.c (expensive_function_p): LIMIT now unsigned.
1434 * resource.c (mark_target_live_regs): Make some vars unsigned.
1435 * sdbout.c: Use "unsigned int", not "unsigned".
1436 (MAKE_LINE_SAFE): Add cast to avoid unsigned warning.
1437 (sdbout_source_line): Likewise.
1438 (sdbout_record_type_name): Remove "const" for NAME declaration.
1439 * config/alpha/alpha.c (alpha_expand_block_move): Whitespace fixes.
1441 2001-09-10 Richard Sandiford <rsandifo@redhat.com>
1443 * calls.c (store_one_arg): Expand comment.
1445 2001-09-10 Roman Lechtchinsky <rl@cs.tu-berlin.de>
1447 * calls.c (store_one_arg): Make sure that the entire argument is
1448 pushed if STACK_PARMS_IN_REG_PARM_AREA is defined.
1450 2001-09-09 Richard Henderson <rth@redhat.com>
1452 * emit-rtl.c (adjust_address): Fix mode for LO_SUM.
1454 Sun Sep 9 10:43:17 CEST 2001 Jan Hubicka <jh@suse.cz>
1456 * loop.c (combine_givs): Fix computing of benefit once giv is combined.
1458 2001-09-09 Richard Henderson <rth@redhat.com>
1460 * config/alpha/alpha.c (alpha_next_sequence_number): New.
1461 (alpha_this_literal_sequence_number): New.
1462 (alpha_this_gpdisp_sequence_number): New.
1463 (some_operand, input_operand): Add HIGH.
1464 (local_symbolic_operand): New.
1465 (alpha_encode_section_info): New.
1466 (alpha_legitimate_address_p): Allow LO_SUM.
1467 (alpha_legitimize_address): Generate HIGH+LO_SUM.
1468 (alpha_expand_mov): Likewise.
1469 (secondary_reload_class): Check memory_operand not general_operand
1471 (alpha_expand_unaligned_load): Force LO_SUM addresses into a register.
1472 (alpha_expand_unaligned_store): Likewise.
1473 (alpha_expand_unaligned_load_words): Likewise.
1474 (alpha_expand_unaligned_store_words): Likewise.
1475 (alpha_expand_block_clear): Likewise.
1476 (print_operand): Handle %#, %*, %H.
1477 (print_operand_address): Handle LO_SUM.
1479 (alpha_does_function_need_gp): Use it.
1480 (alpha_expand_block_move): Fix signed compare warnings.
1481 (alpha_sa_mask, alpha_align_insns): Likewise.
1482 * config/alpha/alpha-protos.h: Update.
1483 * config/alpha/alpha.h (TARGET_EXPLICIT_RELOCS): New.
1484 (MASK_EXPLICIT_RELOCS): New.
1485 (TARGET_SWITCHES): Add -mexplicit-relocs.
1486 (EXTRA_CONSTRAINT): Add 'T'.
1487 (PREFERRED_RELOAD_CLASS): HIGH goes in GENERAL_REGS.
1488 (ASM_APP_ON, ASM_APP_OFF): Turn on and off asm macro expansion.
1489 (ENCODE_SECTION_INFO): Out line.
1490 (REDO_SECTION_INFO_P): New.
1491 (STRIP_NAME_ENCODING): New.
1492 (ASM_OUTPUT_LABELREF): New.
1493 (PRINT_OPERAND_PUNCT_VALID_P): Add #, *.
1494 (PREDICATE_CODES): Update.
1495 * config/alpha/alpha.md (divmodsi_internal_er, divmoddi_internal_er,
1496 call_osf_1_er_noreturn, call_osf_1_er, movdi_er_low, movdi_er_nofix,
1497 movdi_er_fix, prologue_ldgp_1_er, builtin_setjmp_receiver_sub_label_er,
1498 builtin_setjmp_receiver_er, exception_receiver_1_er,
1499 call_value_osf_1_er): New patterns.
1500 (sibcall_osf_1, sibcall_value_osf_1): Remove register alternative.
1501 (movqi, movhi, movsi): Add explicit $31 base register to lda.
1502 * config/alpha/elf.h (ASM_FILE_START): Set nomacro if explicit relocs.
1503 (FINAL_PRESCAN_INSN): New.
1505 Sat Sep 8 22:00:55 CEST 2001 Jan Hubicka <jh@suse.cz>
1507 * reg-stack.c (subst_stack_regs_pat): Fix fcmov reversal code.
1509 2001-09-08 Andreas Jaeger <aj@suse.de>
1511 * i386.h (TARGET_SWITCHES): Fix description.
1513 2001-09-07 David Edelsohn <edelsohn@gnu.org>
1515 * rs6000.c (num_insns_constant): Compute number of instructions
1518 * doc/install.texi: Explain AIX exception handling work-around.
1519 Update URL for AIX fixes.
1521 2001-09-07 Jim Wilson <wilson@redhat.com>
1523 * alias.c (clear_reg_alias_info): New.
1524 * flow.c (attempt_auto_inc): Call clear_reg_alias_info.
1525 * rtl.h (clear_reg_alias_info): Declare.
1527 2001-09-07 Roman Lechtchinsky <rl@cs.tu-berlin.de>
1529 * real.c (EMUSHORT,EMUSHORT_SIZE): Use HImode if no 16-bit type is
1531 (UEMUSHORT): New. Use instead of unsigned EMUSHORT.
1532 (m16m,edivm,emulm): Change declaration to match definition.
1534 2001-09-07 Roman Lechtchinsky <rl@cs.tu-berlin.de>
1536 * reload.c (push_reload): Check for subreg_lowpart_p instead of
1537 SUBREG_BYTE being 0 when determining if the inner part of a subreg
1540 2001-09-07 Roman Lechtchinsky <rl@cs.tu-berlin.de>
1542 * c-common.c (signed_or_unsigned_type): Handle machine mode types
1543 which have no corresponding C type.
1544 * fold_const.c (target_isinf,target_isnan,target_negative): Update
1545 the representation of 64-bit doubles to work with 64-bit ints.
1547 2001-09-07 Aldy Hernandez <aldyh@redhat.com>
1549 * config/mips/mips.c (override_options): Do not override ISA when ABI
1550 specified if MIPS_CPU_STRING_DEFAULT was specified.
1552 2001-09-07 Richard Henderson <rth@redhat.com>
1554 * loop.c (record_giv): Avoid simplifying MULT to ASHIFT.
1555 (express_from_1): Wrap lines.
1556 * rtlanal.c (commutative_operand_precedence): Rename from
1557 operand_preference; export.
1558 * rtl.h: Declare it.
1559 * simplify-rtx.c (simplify_gen_binary): Tidy +/- const_int handling.
1560 (simplify_binary_operation): Invoke simplify_plus_minus on
1561 (CONST (PLUS ...)) as well.
1562 (struct simplify_plus_minus_op_data): New.
1563 (simplify_plus_minus_op_data_cmp): New.
1564 (simplify_plus_minus): Use them. Avoid infinite recursion with
1565 simplify_binary_operation wrt CONST.
1567 Fri Sep 7 11:52:30 2001 Kazu Hirata <kazu@hxi.com>
1569 * h8300-protos.h (general_operand_dst_push): Remove.
1570 * h8300.c (general_operand_dst_push): Likewise.
1571 * h8300.h (OK_FOR_T): Likewise.
1572 (EXTRA_CONSTRAINTS): Do not use OK_FOR_T.
1573 * h8300.md (pushqi_h8300): New.
1574 (pushqi_h8300hs): Likewise.
1576 (pushhi_h8300): Likewise.
1577 (pushhi_h8300hs): Likewise.
1580 Fri Sep 7 12:56:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1582 * genattrtab.c (attr_printf): First arg is unsigned.
1583 Clean up formatting of callers.
1585 2001-09-06 Aldy Hernandez <aldyh@redhat.com>
1587 * config/mips/mips.c (override_options): Allow abi32 with 64 bit
1590 2001-09-07 Andreas Jaeger <aj@suse.de>
1592 * i386.h (TARGET_SWITCHES): Fix descriptions.
1594 2001-09-07 Matt Kraai <kraai@alumni.carnegiemellon.edu>
1596 * stor-layout.c (compute_record_mode): Check DECL_SIZE is set.
1598 2001-09-06 Ira Ruben <ira@apple.com>
1600 Remove OP_IDENTIFIER.
1601 * tree.def (OP_IDENTIFIER): Remove.
1602 * tree.c (tree_node_kind enum): Remove op_id_kind.
1603 (tree_node_kind_names): Remove "op_identifiers".
1604 (make_node): Remove OP_IDENTIFIER test.
1605 (build_op_identifier): Removed because it isn't being used.
1606 * print-tree.c (print_node): Remove OP_IDENTIFIER case.
1607 * cp/pt.c (tsubst): Remove OP_IDENTIFIER case.
1609 2001-09-06 Richard Henderson <rth@redhat.com>
1611 * simplify-rtx.c (simplify_binary_operation): Revert last change.
1613 2001-09-06 Richard Henderson <rth@redhat.com>
1615 * simplify-rtx.c (simplify_binary_operation): Simplify contents
1618 2001-09-06 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1620 * config/rs6000/rs6000.c (rs6000_emit_prologue): Fix DWARF2 register
1621 number used for CR register.
1623 Thu Sep 6 11:16:35 2001 Jeffrey A Law (law@cygnus.com)
1624 Joern Rennecke (amylaar@cygnus.com)
1626 * h8300-protos.h (h8300_return_addr_rtx): New prototype.
1627 * h8300.c (initial_offset): Handle offset between RP and FP.
1628 (h8300_return_addr_rtx): New function.
1629 * h8300.h (FIRST_PSEUDO_REGISTER): Bump now that we have a
1631 (FIXED_REGISTERS, CALL_USED_REGISTERS): Corresponding changes.
1632 (REG_ALLOC_ORDER, RETURN_ADDRESS_POINTER_REGNUM): Likewise.
1633 (REG_CLASS_CONTENTS, ELIMINABLE_REGS): Likewise.
1634 (CAN_ELIMINATE, REGISTER_NAMES):
1635 (RETURN_ADDR_RTX): Call h8300_return_addr_rtx.
1637 2001-09-06 Nathan Sidwell <nathan@codesourcery.com>
1639 Remove TYPE_NONCOPIED_PARTS.
1640 * tree.h (TYPE_NONCOPIED_PARTS): Remove.
1641 (struct tree_type): Remove noncopied_parts.
1642 * c-tree.h (TYPE_ACTUAL_ARG_TYPES): Map onto TYPE_BINFO.
1643 * expr.c (save_noncopied_parts, init_noncopied_parts): Remove.
1644 (fixed_type_p): Remove.
1645 (expand_expr, INIT_EXPR): Don't deal with noncopied parts.
1646 (expand_expr, MODIFY_EXPR): Likewise.
1647 * ggc-common.c (ggc_mark_trees): Remove TYPE_NONCOPIED_PARTS.
1648 * doc/c-tree.texi: Remove TYPE_NONCOPIED_PARTS FIXME.
1650 2001-09-06 Alan Modra <amodra@bigpond.net.au>
1652 * config/rs6000/rs6000.c (mask_operand): Use signed vars to avoid
1654 (mask64_operand): Likewise.
1655 (includes_rldic_lshift_p): Likewise.
1656 (includes_rldicr_lshift_p): Likewise.
1658 2001-09-05 Ziemowit Laski <zlaski@apple.com>
1660 * objc/objc-act.c (build_message_expr): If a class method cannot
1661 be found, do not issue a warning if a corresponding instance
1662 method exists in the root class.
1664 2001-09-05 Richard Henderson <rth@redhat.com>
1666 * config/alpha/alpha.c (alpha_expand_mov): Initialize temp.
1668 2001-09-05 Zack Weinberg <zack@codesourcery.com>
1670 * function.c (ggc_mark_struct_function): Mark f->outer.
1671 * toplev.c (rest_of_compilation): Clear DECL_SAVED_INSNS here...
1672 * integrate.c (output_inline_function): ... not here.
1674 Wed Sep 5 17:28:49 CEST 2001 Jan Hubicka <jh@suse.cz>
1676 * profile.c (branch_prob): Call add_noreturn_fake_exit_edges.
1678 * i386.c (size_cost): New static variable.
1679 (override_function): Use size_cost when -Os is specified.
1681 * i386.c (ix86_expand_prologue): Set use_fast_prologue_epilogue
1682 properly; Use current_function_calls_eh_return.
1683 (ix86_expand_epilogue): Avoid dummy optimize_size tests;
1684 use leave to avoid depdendancy chain.
1686 * local-alloc.c (update_equiv_regs): Use CFG to iterate over INSN stream;
1687 get BB loop_depth instead of computing it from LOOP notes.
1689 * reg-stack.c (subst_stack_reg_pat): Handle reversal of conditional moves.
1691 2001-09-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
1693 * som.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
1694 * pa.h (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
1695 UNALIGNED_DOUBLE_INT_ASM_OP): Define
1697 2001-09-05 Jeffrey A Law (law@cygnus.com)
1698 Jason Merrill (jason@redhat.com)
1700 * stor-layout.c (layout_type): Complain if an array's size can
1701 not be represented in a size_t.
1703 * config/h8300/elf.h (ENDFILE_SPEC, STARTFILE_SPEC): Define.
1705 2001-09-05 David Billinghurst <David.Billinghurst@riotinto.com>
1707 * gcc.c: (process_command) Add parentheses around assignment
1708 used as truth value.
1710 2001-09-05 Richard Sandiford <rsandifo@redhat.com>
1712 * config/mips/mips.c (save_restore_insns): Don't mark any register
1713 save slots as unchanging if current_function_calls_eh_return.
1715 2001-09-05 Richard Henderson <rth@redhat.com>
1717 * config/alpha/alpha.c (alpha_legitimate_address_p): New.
1718 * config/alpha/alpha-protos.h: Declare it.
1719 * config/alpha/alpha.h (GO_IF_LEGITIMATE_ADDRESS): Move to c file.
1720 (NONSTRICT_REG_OK_FOR_BASE_P): Rename from non-strict macro.
1721 (NONSTRICT_REG_OK_FP_BASE_P): Likewise.
1722 (STRICT_REG_OK_FOR_BASE_P): Rename from strict macro.
1723 (REG_OK_FOR_BASE_P): Select one of the above.
1725 2001-09-05 Richard Sandiford <rsandifo@redhat.com>
1727 * config/mips/t-elf (EXTRA_PARTS): Use EXTRA_MULTILIB_PARTS instead.
1728 (crti.o): Prefix name of object file with $(T).
1731 2001-09-05 David S. Miller <davem@redhat.com>
1733 * config/sparc/linux.h: Set CPLUSPLUS_CPP_SPEC.
1734 * config/sparc/linux64.h: Likewise.
1736 2001-09-05 Andreas Jaeger <aj@suse.de>
1738 * doc/invoke.texi (i386 Options): -mwide-multiply is not
1739 available anymore, remove the documentation.
1740 (i386 Options): Fix typo, cleanup index entries.
1742 * prefix.c (concat): Remove, we can use the version from liberty.
1744 2001-09-05 Richard Henderson <rth@redhat.com>
1746 * config/alpha/alpha.c (alpha_expand_mov, alpha_expand_mov_nobwx):
1747 New functions split out of md file expanders.
1748 * config/alpha/alpha-protos.h: Declare them.
1749 * config/alpha/alpha.md (movqi, movhi, movsi, movdi): Use them.
1751 2001-09-05 Neil Booth <neil@daikokuya.demon.co.uk>
1753 * cppmacro.c (funlike_invocation_p): No need to restore context.
1755 2001-09-04 Richard Henderson <rth@redhat.com>
1757 * reload.c (push_reload): Export.
1758 * reload.h (push_reload): Declare it.
1760 * config/alpha/alpha.h (LEGITIMIZE_ADDRESS): Move out o' line.
1761 (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
1762 * config/alpha/alpha.c (alpha_legitimize_address): New.
1763 (alpha_legitimize_reload_address): Likewise.
1764 * config/alpha/alpha-protos.h: Declare them.
1766 2001-09-04 Stan Shebs <shebs@apple.com>
1768 * config/darwin.h (ASM_DECLARE_FUNCTION_NAME): Define.
1769 * config/darwin.c (machopic_stub_name): Account for internally
1770 generated lib calls such as memcpy.
1772 2001-09-04 Richard Henderson <rth@redhat.com>
1774 * unwind.h (_UA_END_OF_STACK): New flag.
1775 * unwind.inc (_Unwind_ForcedUnwind_Phase2): Set it.
1777 Tue Sep 4 11:16:35 2001 Jeffrey A Law (law@cygnus.com)
1779 * h8300/elf.h (LINK_SPEC): Redefine appropriately for the H8.
1781 2001-09-04 Richard Sandiford <rsandifo@redhat.com>
1783 * config/mips/mips.c (save_restore_insns): Change base_offset to
1784 fp_offset in second call to mips_emit_frame_related_store.
1786 2001-09-04 Hans-Peter Nilsson <hp@axis.com>
1788 * doc/rtl.texi: Mention that besides as a CODE_LABEL, a label can
1789 sometimes be represented as a NOTE of type
1790 NOTE_INSN_DELETED_LABEL.
1791 (Insns): Document NOTE_INSN_DELETED_LABEL.
1793 2001-09-04 Nathan Sidwell <nathan@codesourcery.com>
1795 * c-common.h (tree_dump_index): Add more comments.
1796 * c-dump.c (dump_files): Name flags `tree' rather than `ast'.
1797 (dump_option_value_info): New struct.
1798 (dump_options): New array.
1799 (dump_switch_p): Parse switch options symbolically.
1800 * doc/invoke.texi (-fdump-ast): Rename to ...
1801 (-fdump-tree): ... here. Document that options are symbolic, and
1802 not all are applicable.
1804 2001-09-04 David S. Miller <davem@redhat.com>
1806 * config/sparc/sparc.md (define_splits): Kill constraints.
1808 Cleanup redundant and unused insn attributes.
1809 * config/sparc/sparc.md (define_attr "insn"): Kill address, unary,
1810 binary, and move. Mark ialu as default.
1811 (commented out define_function_unit "alu"): Kill.
1812 (define_attr "use_clobbered"): Kill.
1813 (whole file): Kill address insn type references. Replace
1814 all unary/binary/move references with ialu.
1815 * config/sparc/sparc.c (whole file): Kill TYPE_ADDRESS
1816 references. Replace TYPE_{UNARY,BINARY,MOVE} references with
1819 Simplify length insn attribute and make more judicious use
1820 of insn attribute defaulting.
1821 * config/sparc/sparc.md (all insns with length > one): Mark as
1822 insn type multi if real instructions, else use default if
1823 it is a forced splitter.
1824 (all insns with length == one): Use default insn length.
1825 (all insns of type ialu): Use default insn type.
1827 Fix erroneous insn attribute settings.
1828 (addx): Set insn type to misc.
1829 (mulsidi3_sp64, const_mulsidi3_sp64, umulsidi3_sp64,
1830 const_umulsidi3_sp64): Set insn type to imul.
1832 Track SFmode vs DFmode insns according to UltraSPARC
1834 * config/sparc/sparc.md ("fptype"): New attribute, default
1836 (all DFmode single insns): Mark as fptype "double".
1838 2001-09-03 Jakub Jelinek <jakub@redhat.com>
1840 * loop.c (express_from_1): Fix CONSTANT_P(a) case.
1842 2001-09-03 Richard Henderson <rth@redhat.com>
1844 * function.h (struct function): Add arg_pointer_save_area_init.
1845 * function.c (expand_function_end): Init arg_pointer_save_area.
1846 (get_arg_pointer_save_area): Do not init arg_pointer_save_area
1847 when called from a nested function.
1849 2001-09-02 Angela Marie Thomas <angela@cygnus.com>
1851 * fixinc/Makefile.in: Regenerate fixincl.x only if maintainer-mode
1854 Sun Sep 2 18:37:54 CEST 2001 Jan Hubicka <jh@suse.cz>
1856 * reload1.c (fixup_abnormal_edges): Allow NOTEs in the sequence.
1858 2001-09-01 Geoffrey Keating <geoffk@redhat.com>
1860 * expr.c (push_block): Make sane use of STACK_GROWS_DOWNWARD.
1861 (emit_push_insn): Use specified padding direction when
1862 STACK_PUSH_CODE is POST_INC.
1864 * config/stormy16/stormy16.h (DWARF2_UNWIND_INFO): Define to 0.
1866 2001-09-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1868 * mips.h (INITIAL_ELIMINATION_OFFSET): Add missing `else abort'.
1870 2001-09-01 Neil Booth <neil@daikokuya.demon.co.uk>
1872 * cppinit.c (cpp_start_read): Free the imacros list as we
1873 traverse it. Don't free the chains before returning.
1874 (_cpp_push_next_buffer): Only try pushing buffers if we've
1875 completed -imacros handling.
1877 2001-08-31 Eric Christopher <echristo@redhat.com>
1879 * gcc.c (handle_braces): Add explaination for abort.
1881 2001-08-30 Roman Zippel <zippel@linux-m68k.org>
1883 * expmed.c (store_bit_field): Update to patch from 2001-08-27:
1884 move adjustment of bitpos instead.
1886 2001-08-31 Zack Weinberg <zack@codesourcery.com>
1888 * function.c: Remove all_functions. Make outer_function_chain
1890 (init_function_start): Don't add new function structure to
1892 (find_function_data, push_function_context_to,
1893 pop_function_context_from, put_var_into_stack,
1894 trampoline_address): Update for changed structure element names.
1895 (push_function_context_to): Disentangle.
1896 (free_after_compilation): Also free F.
1897 (expand_dummy_function_end): Don't free cfun here.
1898 (put_var_into_stack): Comment why we can't use find_function_data here.
1899 (fix_lexical_addr, trampoline_address, ): Use find_function_data.
1900 (mark_function_chain): Split into maybe_mark_struct_function and
1901 ggc_mark_struct_function. Export the latter.
1902 (init_function_once): Mark from cfun and outer_function_chain;
1905 * function.h (struct function): Kill next_global. Rename next
1906 to outer. All users updated to match.
1907 (all_functions, outer_function_chain): Don't declare.
1909 * ggc-common.c (ggc_mark_trees): Mark DECL_SAVED_INSNS.
1910 * integrate.c (output_inline_function): Clear DECL_SAVED_INSNS,
1911 don't touch f->inlinable, after calling rest_of_compilation.
1913 * tree.h: Forward-declare struct function. Prototype
1914 ggc_mark_struct_function.
1916 2001-08-31 Kazu Hirata <kazu@hxi.com>
1918 * config/h8300/h8300.md (*andorhi3): Fix typos.
1920 2001-08-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1922 * calls.c (emit_library_call_value): Don't use a fixed
1923 argument after VA_CLOSE, i.e. out of scope in traditional C.
1925 * emit-rtl.c (gen_rtvec): Likewise.
1927 2001-08-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1929 * Makefile.in (c-pragma.o): Depend on output.h.
1930 (reorg.o): Depend on except.h.
1932 * c-pragma.c: Include output.h.
1934 * reorg.c: Include except.h.
1936 * unwind-dw2.c: Call __builtin_alloca, not alloca.
1938 2001-08-31 Richard Henderson <rth@redhat.com>
1940 * sched-deps.c (add_dependence): Don't elide dependancy if the
1941 conditional used by insn is modified in elem.
1943 2001-08-31 Nick Clifton <nickc@cambridge.redhat.com>
1945 * config/v850/v850.h (OUTPUT_ADDR_CONST_EXTRA): Define.
1947 2001-08-31 Diego Novillo <dnovillo@redhat.com>
1949 * c-decl.c (c_decode_option): Skip '-f' prefix before calling
1952 2001-08-31 Geoffrey Keating <geoffk@redhat.com>
1954 * config/stormy16/stormy16.c (stormy16_asm_out_destructor): New
1956 (stormy16_asm_out_constructor): New function.
1957 (TARGET_ASM_CONSTRUCTOR): Define.
1958 (TARGET_ASM_DESTRUCTOR): Define.
1960 2001-08-31 Andreas Jaeger <aj@suse.de>
1962 * gcse.c (add_label_notes): REG_LABEL is an INSN_LIST.
1963 * loop.c (add_label_notes): Likewise.
1964 * reload.c (find_reloads): Likewise.
1965 * config/sh/sh.c (machine_dependent_reorg): Likewise.
1967 2001-08-31 Jason Merrill <jason_merrill@redhat.com>
1969 * unwind-pe.h (read_uleb128, read_sleb128): Move actual reading
1970 code here. Take _Unwind_{W,Sw}ord*.
1971 (read_encoded_value_with_base): Use them.
1972 * unwind-dw2.c (_Unwind_FrameState): Make cfa_offset and cfa_reg
1974 (extract_cie_info): Simplify read_?leb128 handling.
1975 (execute_stack_op, execute_cfa_program): Likewise.
1976 * unwind-dw2-fde.c (get_cie_encoding): Likewise.
1978 2001-08-31 Geoffrey Keating <geoffk@redhat.com>
1980 * config/stormy16/stormy16.c (stormy16_expand_epilogue): Use
1981 the frame pointer to pop the stack if convenient.
1983 * config/stormy16/stormy16.c (stormy16_initialize_trampoline):
1984 Don't use post-increment before combine.
1985 * config/stormy16/stormy16.h (STATIC_CHAIN_REGNUM): Don't use
1986 a call-saved register.
1988 2001-08-31 Andreas Jaeger <aj@suse.de>
1990 * jump.c (mark_jump_label): Revert patch from 2001-08-28, the
1993 2001-08-30 Geoffrey Keating <geoffk@redhat.com>
1995 * config/stormy16/stormy16.md (udivmodhi4): Express using UDIV/UMOD,
1996 not DIV/MOD, of course.
1998 2001-08-30 Vladimir Makarov <vmakarov@redhat.com>
2000 * rtl.def: Undo my patch commited 2001-08-27.
2002 * genattrtab.c: Ditto.
2006 * sched-int.h: Ditto.
2008 * target-def.h: Ditto.
2012 * haifa-sched.c: Ditto.
2014 * sched-rgn.c: Ditto.
2016 * sched-vis.c: Ditto.
2018 * Makefile.in: Ditto.
2020 * doc/md.texi: Ditto.
2022 * doc/tm.texi: Ditto.
2024 * doc/contrib.texi: Ditto.
2026 * doc/gcc.texi: Ditto.
2028 * genattrtab.h: Remove it.
2030 * genautomata.c: Remove it.
2032 * genattr.c: Undo my patch and Richard Henderson's patch commited
2035 Thu Aug 30 19:22:15 2001 J"orn Rennecke <amylaar@redhat.com>
2037 * config.gcc (h8300-*-elf*): New case.
2038 * h8300.h (CPP_SPEC): Add subtarget_cpp_spec.
2039 (SUBTARGET_CPP_SPEC): Define.
2040 (EXTRA_SPECS): Define.
2041 (SUBTARGET_EXTRA_SPECS): Define.
2042 * config/h8300/crti.asm, config/h8300/crtn.asm: New files.
2043 * config/h8300/elf.h, config/h8300/t-elf: Likewise.
2045 Thu Aug 30 18:50:37 2001 J"orn Rennecke <amylaar@redhat.com>
2047 * t-h8300 (LIB1ASMFUNCS): Add _fixunssfdi and _fixunssfsi_asm.
2048 (LIB2FUNCS_EXTRA): Define.
2049 config/h8300/lib1funcs.asm: New part: L_fixunssfsi_asm .
2050 config/h8300/fixunssfsi.c: New file.
2052 2001-08-30 Kazu Hirata <kazu@hxi.com>
2054 * config/h8300/h8300.md (zero_extendqihi2): Changes to
2055 define_expand to accomodate target-specific attributes.
2056 (anonymous zero_extendqihi2 patterns): New.
2058 Thu Aug 30 18:10:56 2001 J"orn Rennecke <amylaar@redhat.com>
2060 * h8300.md (*andorhi3): New pattern.
2062 Thu Aug 30 16:00:31 2001 J"orn Rennecke <amylaar@redhat.com>
2064 * h8300.c (dosize): Fix test for "sub".
2066 Thu Aug 30 10:21:43 2001 J"orn Rennecke <amylaar@redhat.com>
2068 * c-typeck.c (pointer_diff): Try to eliminate common term before
2071 2001-08-30 Nick Clifton <nickc@cambridge.redhat.com>
2073 * config/arm/arm.c (arm_compute_initial_elimination_offset):
2074 Account for the saves of the FP registers.
2076 * config/arm/unknown-elf.h (TEXT_SECTION): Delete.
2077 (TEXT_SECTION_ASM_OP): Define.
2078 (INIT_SECTION_ASM_OP): Define.
2079 (FINI_SECTION_ASM_OP): Define.
2080 (SUBTARGET_EXTRA_SECTIONS): Remove trailing comma.
2081 (RDATA_SECTION_FUNCITON): Provide prototype.
2083 2001-08-29 Geoffrey Keating <geoffk@redhat.com>
2085 * reload1.c (move2add_note_store): Correct typo checking for
2088 2001-08-29 Andrew MacLeod <amacleod@redhat.com>
2090 * gcse.c (compute_hash_table): The SRC part of an insn with a RETVAL
2091 note should not be considered outside the libcall block.
2093 2001-08-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2095 * genattrtab.c (attr_printf): Use VA_OPEN/VA_FIXEDARG/VA_CLOSE.
2097 2001-08-29 Kazu Hirata <kazu@hxi.com>
2099 * config/h8300/h8300.md (movsi_h8300hs): Make it 64-bit safe.
2101 2001-08-29 Kazu Hirata <kazu@hxi.com>
2103 * config/h8300/h8300-protos.h: Add a prototype for
2105 * config/h8300/h8300.c (emit_logical_op): New.
2106 * config/h8300/h8300.md (andhi3): Use emit_logical_op.
2113 2001-08-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
2115 * pa.c (move_operand): Cast GET_MODE_SIZE results to HOST_WIDE_INT for
2116 comparison with rtx INTVAL.
2117 (pa_output_function_prologue): Don't mix signed and unsigned in `?'
2119 * pa.h (FUNCTION_ARG_SIZE): Likewise.
2121 2001-08-29 Kazu Hirata <kazu@hxi.com>
2123 * config/h8300/lib1funcs.asm: Update the copyright. Fix
2126 2001-08-29 Kazu Hirata <kazu@hxi.com>
2128 * config/h8300/h8300.md (anonymous movhi pattern): Don't move
2129 (reg n) to (mem (pre_dec (reg n))
2130 (anonymous movsi pattern): Likewise.
2132 2001-08-29 Kazu Hirata <kazu@hxi.com>
2134 * config/h8300/h8300.h (RETURN_ADDR_RTX): New.
2136 2001-08-29 Kazu Hirata <kazu@hxi.com>
2138 * config/h8300/h8300.md (movsi_h8300hs): Optimize loading of
2139 several special constants.
2141 2001-08-29 Kazu Hirata <kazu@hxi.com>
2143 * config/h8300/lib1funcs.asm: Fix comment typos.
2145 2001-08-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2147 * iris6.h (ASM_DECLARE_OBJECT_NAME, ASM_FINISH_DECLARE_OBJECT):
2148 Fix format specifier warnings.
2150 * irix6-libc-compat.c (inet_ntoa, inet_lnaof, inet_netof,
2151 inet_makeaddr, semctl): Prototype.
2153 * mips.c (compute_frame_size): Fix signed/unsigned warnings.
2154 (save_restore_insns): Use base_offset, not gp_offset.
2156 * mips.h (GP_REG_OR_PSEUDO_STRICT_P): Fix signed/unsigned warning.
2157 (ASM_OUTPUT_BYTE): Fix format specifier warning.
2159 2001-08-29 Richard Henderson <rth@redhat.com>
2161 * bb-reorder.c (function_tail_eff_head): New.
2162 (record_effective_endpoints): Set it.
2163 (fixup_reorder_chain): Use it.
2165 2001-08-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2167 * dwarf2asm.c (dw2_asm_output_nstring): Fix typo in previous change.
2169 2001-08-28 Dale Johannesen <dalej@apple.com>
2171 * config/darwin.c (machopic_function_base_name): Add const
2172 qualifier to a string.
2173 (darwin_encode_section_info): Ditto.
2175 2001-08-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2177 * tree.c (default_valid_attribute_p): Don't use PARAMS on a
2178 function definition.
2180 2001-08-28 Daniel Berlin <dan@cgsoftware.com>
2182 * df.h (struct df): Add rts_order variable.
2184 * df.c (df_visit_next_rts): New function.
2185 (df_visit_next): Renamed to df_visit_next_rc
2186 (df_analyse_1): Allocate/compute/free rts_order as well.
2187 (df_rd_global_compute): Use df_visit_next_rc instead of
2189 (df_ru_global_compute): Use df_visit_next_rts instead of
2192 * flow.c (flow_reverse_top_sort_order_compute): New function.
2194 * basic-block.h: Add prototype.
2196 2001-08-28 Daniel Berlin <dan@cgsoftware.com>
2198 * ssa-ccp.c (ssa_ccp_df_delete_unreachable_insns): For unreachable
2199 blocks, the BB_REACHABLE is now set, rather than aux being
2200 non-NULL. Update the test to reflect this.
2202 2001-08-28 Eric Christopher <echristo@redhat.com>
2204 * config/mips/crtn.asm: Add comment explaining 16 byte alignment.
2205 config/mips/crti.asm: Ditto.
2207 2001-08-28 Eric Christopher <echristo@redhat.com>
2208 Richard Henderson <rth@redhat.com>
2210 * c-pragma.h (add_weak): Move prototype from here...
2211 * output.h (add_weak): ... to here.
2212 * varasm.c (add_weak): Fix typo.
2213 * config/mips/crti.asm: New file.
2214 * config/mips/crtn.asm: Ditto.
2215 * config/mips/elf.h (SBSS_SECTION_ASM_OP) Add #undef.
2216 (CTOR_LISTS_DEFINED_EXTERNALLY): Remove.
2217 (INVOKE__main): Ditto.
2218 (INIT_SECTION_ASM_OP): New.
2219 (FINI_SECTION_ASM_OP): Ditto.
2220 (STARTFILE_SPEC): Add crti.
2221 (ENDFILE_SPEC): Add crtn.
2222 * config/mips/elf64.h: Same.
2223 * config/mips/rtems64.h (INVOKE__main, NAME__MAIN, SYMBOL__MAIN):
2225 * config/mips/vxworks.h: Ditto.
2226 * config/mips/t-elf: Support crti and crtn.
2228 2001-08-28 Alexandre Oliva <aoliva@redhat.com>
2230 * jump.c (mark_jump_label): Fix typo: REG_LABEL is EXPR_LIST, not
2233 2001-08-28 Richard Henderson <rth@redhat.com>
2235 * config/ia64/ia64.md (andcmbi3, iorcmbi3): Fix typos.
2236 (one_cmplbi2 splitter): Remove redundant test.
2238 2001-08-28 Dale Johannesen <dalej@apple.com>
2240 * config/rs6000/darwin.h (DEFAULT_SIGNED_CHAR): Define.
2242 2001-08-28 Danny Smith <dannysmith@users.sourceforge.net>
2244 * config/i386/cygwin.h (BIGGEST_FIELD_ALIGNMENT): Set to 64.
2246 2001-08-28 Stan Shebs <shebs@apple.com>
2248 * config/darwin.h (ASM_OUTPUT_LABELREF): Handle '*' names.
2249 (UNALIGNED_SHORT_ASM_OP): Define.
2250 (UNALIGNED_INT_ASM_OP): Define.
2252 2001-08-28 Will Cohen <wcohen@redhat.com>
2254 * config/rs6000/rs6000.md (store_multiple): Correct RTL
2255 generation for first set.
2257 2001-08-27 Roman Zippel <zippel@linux-m68k.org>
2259 * flow.c (redirect_edge_succ_nodup): Return new edge.
2260 (try_simplify_condjump): Use new edge.
2261 * basic-block.h (redirect_edge_succ_nodup): Update prototype.
2263 * cse.c (cse_basic_block): Skip note instructions.
2265 2001-08-27 Richard Henderson <rth@redhat.com>
2267 * combine.c (combine_simplify_rtx): Don't reverse condition
2268 if there is no reverse for the condition.
2269 (simplify_comparison): Don't simplify subregs from INT to FP.
2271 * config/m68k/m68k.md (sordered, sordered_1, sunordered, sunordered_1,
2272 suneq, suneq_1, sunge, sunge_1, sungt, sungt_1, sunle, sunle_1,
2273 sunlt, sunlt_1, sltgt, sltgt_1, fsogt_1, fsoge_1, fsolt_1, fsole_1,
2274 bordered, bunordered, buneq, bunge, bungt, bunle, bunlt, bltgt,
2275 bordered_rev, bunordered_rev, buneq_rev, bunge_rev, bungt_rev,
2276 bunle_rev, bunlt_rev, bltgt_rev): New patterns.
2278 2001-08-27 Roman Zippel <zippel@linux-m68k.org>
2280 * config/m68k/m68k.md (subreghi1ashrdi_const32, bsetmemqi,
2281 bsetmemqi+1, strict_low_part peephole): Fix SUBREG_BYTE offset.
2283 (adddi_dilshr32, adddi_dishl32): Only data register can be
2284 source for mem destination.
2286 * expmed.c (store_bit_field): Ignore adjustment to bitpos
2287 and use bitnum to decide about register move.
2289 2001-08-27 Richard Henderson <rth@redhat.com>
2291 * genattr.c (main): Emit state_t even when not doing scheduling.
2293 2001-08-27 Roman Zippel <zippel@linux-m68k.org>
2294 Richard Henderson <rth@redhat.com>
2296 * gcse.c (reg_first_set, reg_last_set): Replace with ...
2297 (reg_avail_info, current_bb): ... these.
2298 (oprs_unchanged_p, record_last_reg_set_info): Use them.
2299 (compute_hash_table): Likewise.
2301 2001-08-27 Roman Zippel <zippel@linux-m68k.org>
2303 * flow.c (verify_flow_info): Use checksums to verify edges.
2305 2001-08-27 Richard Henderson <rth@redhat.com>
2307 * genautomata.c (expand_automata): Always create a description.
2309 2001-08-27 Geoffrey Keating <geoffk@redhat.com>
2311 * optabs.c (expand_binop): Correctly handle the carry in multiword
2312 add/subtract operations.
2314 2001-08-27 Fred Fish <fnf@be.com>
2316 * ginclude/stddef.h: Fix typo, __SIZE__TYPE__ should be
2319 2001-08-27 Geoffrey Keating <geoffk@redhat.com>
2321 * reload.c (find_reloads_toplev): Back out this change:
2323 Wed Jul 26 19:44:05 2000 Hans-Peter Nilsson <hp@axis.com>
2325 * reload.c (find_reloads_toplev): Reload a paradoxical subreg of a
2326 mem if the address is a mode_dependent_address_p.
2328 2001-08-27 Vladimir Makarov <vmakarov@touchme.toronto.redhat.com>
2330 * rtl.def (DEFINE_CPU_UNIT, DEFINE_QUERY_CPU_UNIT, EXCLUSION_SET,
2331 PRESENCE_SET, ABSENCE_SET, DEFINE_BYPASS, DEFINE_AUTOMATON,
2332 AUTOMATA_OPTION, DEFINE_RESERVATION, DEFINE_INSN_RESERVATION): New
2335 * genattr.c (main): New variable num_insn_reservations. Increase
2336 it if there is DEFINE_INSN_RESERVATION. Output automaton based
2337 pipeline hazard recognizer interface.
2339 * genattrtab.h: New file.
2341 * genattrtab.c: Include genattrtab.h.
2342 (attr_printf, check_attr_test, make_internal_attr,
2343 make_numeric_value): Move protypes into genattrtab.h. Define them
2345 (num_dfa_decls): New global variable.
2346 (main): Process DEFINE_CPU_UNIT, DEFINE_QUERY_CPU_UNIT,
2347 DEFINE_BYPASS, EXCLUSION_SET, PRESENCE_SET, ABSENCE_SET,
2348 DEFINE_AUTOMATON, AUTOMATA_OPTION, DEFINE_RESERVATION,
2349 DEFINE_INSN_RESERVATION. Call expand_automata and write_automata.
2351 * genautomata.c: New file.
2353 * rtl.h (LINK_COST_ZERO, LINK_COST_FREE): Remove them.
2355 * sched-int.h: (curr_state): Add the external definition for
2356 automaton pipeline interface.
2357 (haifa_insn_data): Add comments for members blockage and units.
2359 * target-def.h (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE,
2360 TARGET_SCHED_INIT_DFA_PRE_CYCLE_INSN,
2361 TARGET_SCHED_DFA_PRE_CYCLE_INSN,
2362 TARGET_SCHED_INIT_DFA_POST_CYCLE_INSN,
2363 TARGET_SCHED_DFA_POST_CYCLE_INSN,
2364 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD,
2365 TARGET_SCHED_INIT_DFA_BUBBLES, TARGET_SCHED_DFA_BUBBLE): New
2367 (TARGET_SCHED): Use the new macros.
2369 * target.h (use_dfa_pipeline_interface, init_dfa_pre_cycle_insn,
2370 dfa_pre_cycle_insn, init_dfa_post_cycle_insn, dfa_post_cycle_insn,
2371 first_cycle_multipass_dfa_lookahead, init_dfa_bubbles,
2372 dfa_bubble): New members in gcc_target.sched.
2374 * haifa-sched.c (insert_schedule_bubbles_p): New variable.
2375 (MAX_INSN_QUEUE_INDEX): New macro for automaton interface.
2376 (insn_queue): Redefine it as pointer to array.
2377 (NEXT_Q, NEXT_Q_AFTER): Use MAX_INSN_QUEUE_INDEX instead of
2379 (max_insn_queue_index_macro_value): New variable.
2380 (curr_state, dfa_state_size, ready_try): New varaibles for
2381 automaton interface.
2382 (ready_element, ready_remove, max_issue): New function prototypes
2383 for automaton interface.
2384 (choose_ready): New function prototype.
2385 (insn_unit, blockage_range): Add comments.
2386 (unit_last_insn, unit_tick, unit_n_insns): Define them for case
2387 FUNCTION_UNITS_SIZE == 0.
2388 (insn_issue_delay, actual_hazard_this_instance, schedule_unit,
2389 actual_hazard, potential_hazard): Add comments.
2390 (insn_cost): Use cost -1 as undefined value. Remove
2391 LINK_COST_ZERO and LINK_COST_FREE. Add new code for automaton
2393 (ready_element, ready_remove): New functions for automaton
2395 (schedule_insn): Add new code for automaton pipeline interface.
2396 (queue_to_ready): Add new code for automaton pipeline interface.
2397 Use MAX_INSN_QUEUE_INDEX instead of INSN_QUEUE_SIZE.
2398 (debug_ready_list): Print newline when the queue is empty.
2399 (max_issue): New function for automaton pipeline interface.
2400 (choose_ready): New function.
2401 (schedule_block): Add new code for automaton pipeline interface.
2402 Print ready list before scheduling each insn.
2403 (sched_init): Add new code for automaton pipeline interface.
2404 Initiate insn cost by -1.
2405 (sched_finish): Free the current automaton state and finalize
2406 automaton pipeline interface.
2408 * sched-rgn.c: Include target.h.
2409 (init_ready_list, new_ready, debug_dependencies): Add new code for
2410 automaton pipeline interface.
2412 * sched-vis.c: Include target.h.
2413 (get_visual_tbl_length): Add code for automaton interface.
2414 (target_units, print_block_visualization): Add comments.
2416 * Makefile.in (GETRUNTIME, HASHTAB, HOST_GETRUNTIME, HOST_HASHTAB,
2417 USE_HOST_GETRUNTIME, USE_HOST_HASHTAB, HOST_VARRAY): New variables.
2418 (sched-rgn.o, sched-vis.o): Add new dependency file target.h.
2419 (getruntime.o, genautomata.o): New entries.
2420 (genattrtab.o): Add new dependency file genattrtab.h.
2421 (genattrtab): Add new dependencies. Link it with `libm.a'.
2422 (getruntime.o, hashtab.o): New entries for canadian cross.
2424 * doc/md.texi: Description of automaton based model.
2426 * doc/tm.texi (TARGET_SCHED_ISSUE_RATE, TARGET_SCHED_ADJUST_COST):
2428 (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE,
2429 TARGET_SCHED_DFA_PRE_CYCLE_INSN,
2430 TARGET_SCHED_INIT_DFA_PRE_CYCLE_INSN,
2431 TARGET_SCHED_DFA_POST_CYCLE_INSN,
2432 TARGET_SCHED_INIT_DFA_POST_CYCLE_INSN,
2433 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD,
2434 TARGET_SCHED_INIT_DFA_BUBBLES, TARGET_SCHED_DFA_BUBBLE): The new
2436 (TRADITIONAL_PIPELINE_INTERFACE, DFA_PIPELINE_INTERFACE,
2437 MAX_DFA_ISSUE_RATE): New macro descriptions.
2439 * doc/contrib.texi: Add dfa based scheduler contribution.
2441 * doc/gcc.texi: Add more information about genattrtab.
2443 2001-08-27 Diego Novillo <dnovillo@redhat.com>
2445 * flow.c (flow_loop_dump): Do not display insn UIDs if this is not
2448 2001-08-27 Richard Henderson <rth@redhat.com>
2450 * function.c (expand_function_end): Don't init arg_pointer_save_area.
2451 (get_arg_pointer_save_area): New. Create an init it here.
2452 (fix_lexical_addr): Use it.
2453 * function.h: Declare it.
2454 * builtins.c (expand_builtin_setjmp_receiver): Use it.
2455 * stmt.c (expand_nl_goto_receiver): Use it.
2457 2001-08-27 Richard Henderson <rth@redhat.com>
2459 * final.c (final_scan_insn): Don't enter APP_ON mode for
2462 * dwarf2asm.c (dw2_asm_output_encoded_addr_rtx): Use proper
2463 alignment for assemble_integer for DW_EH_PE_aligned.
2464 * except.c (output_function_exception_table): Likewise.
2466 2001-08-26 Andreas Jaeger <aj@suse.de>
2468 * c-tree.h: Add prototyp for c_sizeof_nowarn.
2470 2001-08-25 Dan Nicolaescu <dann@ics.uci.edu>
2472 * ssa-ccp.c (ssa_const_prop): Free ssa_edges.
2474 2001-08-27 Alan Modra <amodra@bigpond.net.au>
2476 * config/rs6000/rs6000.c (mask_operand): Rewrite without
2478 (mask64_operand): Likewise.
2479 (rldic_operand): Delete.
2480 (includes_lshift64_p): Delete.
2481 (includes_rldic_lshift_p): New function.
2482 (includes_rldicr_lshift_p): New function.
2483 (print_operand): Don't call rldic_operand in case 'W'.
2484 * config/rs6000/rs6000-protos.h (rldic_operand): Remove.
2485 (includes_lshift64_p): Remove.
2486 (includes_rldic_lshift_p): Declare.
2487 (includes_rldicr_lshift_p): Declare.
2488 * config/rs6000/rs6000.h (PREDICATE_CODES): Remove rldic_operand.
2489 * config/rs6000/rs6000.md <ashldi3_internal 64 bit patterns>:
2490 Replace match_operand rldic_operand predicate with
2491 const_int_operand. Replace includes_lshift64_p condition with
2492 includes_rldic_lshift_p.
2493 <ashldi3_internal 64 bit rldicr patterns>: New.
2495 2001-08-27 Andreas Jaeger <aj@suse.de>
2497 * emit-rtl.c: Use VA_OPEN/VA_CLOSE/VA_FIXEDARG throughout.
2498 * errors.c: Likewise.
2499 * final.c: Likewise.
2500 * dwarf2asm.c: Likewise.
2501 * doprint.c (checkit): Likewise.
2502 * diagnostic.c: Likewise.
2503 * collect2.c: Likewise.
2504 * calls.c: Likewise.
2505 * c-semantics.c (build_stmt): Likewise.
2506 * c-format.c (status_warning): Likewise.
2507 * c-errors.c (pedwarn_c99): Likewise.
2508 * builtins.c (validate_arglist): Likewise.
2509 * config/pj/pj.c (pj_printf): Likewise.
2510 * fix-header.c: Likewise.
2512 * gcov.c (fnotice): Likewise.
2513 * gensupport.c (message_with_line): Likewise.
2514 * mips-tfile.c: Likewise.
2515 * protoize.c (notice): Likewise.
2516 * read-rtl.c (fatal_with_file_and_line): Likewise.
2517 * rtl-error.c: Likewise.
2518 * tradcpp.c: Likewise.
2520 * cp/tree.c (build_min_nt): Likewise.
2521 (build_min): Likewise.
2522 * cp/lex.c: Likewise.
2523 * cp/errfn.c: Likewise.
2524 * cp/rtti.c (create_pseudo_type_info): Likewise.
2526 Sun Aug 26 20:25:44 2001 Denis Chertykov <denisc@overta.ru>
2528 * df.c (df_uses_record): Return after recording all uses
2531 2001-08-26 Daniel Berlin <dan@cgsoftware.com>
2533 * df.c (df_insn_modify): Realloc the INSN table here, if
2534 necessary, here, too.
2536 2001-08-26 Aldy Hernandez <aldyh@redhat.com>
2538 * config/mips/mips.c (mips_function_value): Handle complex return
2541 2001-08-25 Hans-Peter Nilsson <hp@bitrange.com>
2543 * reload1.c (reload): Make all entries in reg_equiv_memory_loc
2545 * reload.c (make_memloc): Copy result if it is still
2546 reg_equiv_memory_loc[regno] on return.
2547 (subst_reloads) [ENABLE_CHECKING]: Check that none of
2548 reg_equiv_constant, reg_equiv_memory_loc, reg_equiv_address and
2549 reg_equiv_mem are modified by the substitutions.
2551 Sat Aug 25 23:07:35 CEST 2001 Jan Hubicka <jh@suse.cz>
2553 * predict.c (expensive_function_p): New.
2554 * rtl.h (expensive_function_p): Declare.
2555 * i386.c (FAST_PROLOGUE_INSN_COUNT): New constant.
2556 (use_fast_prologue_epilogue): New static variable.
2557 (expand_prologue): Set it; emit short prologues if unset.
2558 (expand_epilogue): Likewise.
2560 2001-08-22 Geoffrey Keating <geoffk@redhat.com>
2562 * config.gcc: Add stormy16-*-elf case.
2563 * config/stormy16/stormy-abi: New file.
2564 * config/stormy16/stormy16-lib2.c: New file.
2565 * config/stormy16/stormy16-protos.h: New file.
2566 * config/stormy16/stormy16.c: New file.
2567 * config/stormy16/stormy16.h: New file.
2568 * config/stormy16/stormy16.md: New file.
2569 * config/stormy16/t-stormy16: New file.
2571 Sat Aug 25 15:46:51 CEST 2001 Jan Hubicka <jh@suse.cz>
2573 * i386.h (no-accumulate-outgoing-args): Use proper mask.
2575 2001-08-24 David Edelsohn <edelsohn@gnu.org>
2577 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Function
2578 descriptor members are pointer size, not constant 4.
2579 * config/rs6000/rs6000.md (define_splits): Remove more unused
2582 2001-08-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2584 * sparc.h (ASM_OUTPUT_BYTE): Fix format specifier warning.
2586 2001-08-24 Andreas Jaeger <aj@suse.de>, rkl@connect.org.uk
2588 * cp/rtti.c (VPARAMS): Fix parameter.
2590 2001-08-24 Zack Weinberg <zackw@panix.com>
2592 * expmed.c: Default-#define HAVE_insv, HAVE_extv, and HAVE_extzv
2594 (mode_for_extraction): No need for #ifdefs. Add default-case abort
2596 (store_bit_field): Eliminate insv_bitsize variable. Put HAVE_insv
2597 in if controlling use of insv.
2598 (extract_bit_field): Likewise, for extv and extzv.
2600 Fri Aug 24 17:27:46 CEST 2001 Jan Hubicka <jh@suse.cz>
2602 * i386.md (movcc peep2): Fix load of 0.
2604 2001-08-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2606 * fold-const.c (tree_expr_nonnegative_p): Handle *_DIV_EXPR,
2607 *_MOD_EXPR, SAVE_EXPR and NON_LVALUE_EXPR.
2609 2001-08-23 Jason Merrill <jason_merrill@redhat.com>
2611 * c-pragma.h: Move weak_syms and weak_decls...
2612 * varasm.c: ...here. Now static.
2613 (declare_weak, weak_finish, remove_from_pending_weak_list): Don't
2614 depend on HANDLE_PRAGMA_WEAK.
2616 * c-common.c (c_alignof, c_alignof_expr): Move here...
2617 * c-typeck.c: ...from here.
2618 * c-tree.h, c-common.h: Adjust.
2620 2001-08-23 Bernd Schmidt <bernds@redhat.com>
2622 * config/ia64/ia64.c (rws_update): If !pred, set write_count
2623 instead of incrementing it.
2625 * config/ia64/ia64.c (ia64_sched_reorder): When there's more than one
2626 asm ready, don't try to move them all into the same array element.
2628 Thu Aug 23 17:21:43 CEST 2001 Jan Hubicka <jh@suse.cz>
2630 * function.c (thread_prologue_and_epilogue_insns): Avoid
2631 fallthru flag on edge to exit.
2633 * i386.md (trunc?fsi splitter): Conditionionize for non-sse.
2635 * flow.c (delete_noop_moves, propagate_block_delete_insn): Purge
2638 2001-08-23 Lars Brinkhoff <lars@nocrew.org>
2640 * config/mcore/mcore.h (MACHINE_DEPENDENT_SIMPLIFY): Remove.
2641 * config/mcore/mcore.c (mcore_dependent_simplify_rtx): Likewise.
2642 * config/mcore/mcore-protos.h (mcore_dependent_simplify_rtx):
2645 2001-08-23 Lars Brinkhoff <lars@nocrew.org>
2647 * genconstants.c, genpreds.c, libfuncs.h, optabs.h, rtl-error.h:
2648 replace "GNU CC" with "GCC".
2650 2001-08-23 Richard Henderson <rth@redhat.com>
2652 * config/ia64/ia64.c (ia64_register_move_cost): Add mode arguemnt.
2653 Reorganize. Handle ADDL like GR, add GR_AND_BR. Handle TFmode.
2654 (ia64_secondary_reload_class): Need GR between AR/BR and anything.
2655 Need GR between FR and not GR_AND_FR.
2656 * config/ia64/ia64-protos.h (ia64_register_move_cost): Update.
2657 * config/ia64/ia64.h (reg_class): Add GR_AND_BR_REGS, move
2658 AR regs before GR regs.
2659 (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update.
2660 (PREFERRED_RELOAD_CLASS): Tweak for reordered classes.
2661 (REGISTER_MOVE_COST): Update.
2662 (MEMORY_MOVE_COST): Add GR_AND_FR_REGS.
2664 2001-08-23 Richard Henderson <rth@redhat.com>
2666 * regclass.c (init_reg_sets_1): Don't assume cost 2 within
2669 2001-08-22 Geoffrey Keating <geoffk@redhat.com>
2671 * reload1.c (emit_reload_insns): Don't look for notes
2672 on a NULL store_insn.
2674 2001-08-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2676 * sparc.c (uns_small_int): Don't reference a constant >32-bit.
2677 (addrs_ok_for_ldd_peep): Fix signed/unsigned warning.
2678 (sparc_flat_function_prologue, sparc_flat_function_epilogue): Fix
2679 format specifier warnings.
2680 (sparc_sched_reorder): Mark parameter with ATTRIBUTE_UNUSED.
2682 2001-08-22 David Billinghurst <David.Billinghurst@riotinto.com>
2684 * config/i386/i386-protos.h: Correct declaration of
2685 i386_pe_asm_named_section.
2687 2001-08-22 John David Anglin <dave@hiauly1.hia.nrc.ca>
2689 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Add declaration for
2691 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
2693 2001-08-22 Neil Booth <neil@daikokuya.demon.co.uk>
2695 * cpperror.c (print_location): Don't show _Pragma.
2696 * cppfiles.c (_cpp_pop_file_buffer): Handle -include file pushing
2697 and file change callback generation here.
2698 (stack_include_file): Update use of cpp_push_buffer.
2699 * cpphash.h (_cpp_pop_file_buffer): Update prototype.
2700 (struct cpp_buffer): Remove type, pfile members.
2701 * cppinit.c (cpp_handle_option): Use free_chain.
2702 * cpplex.c (_cpp_lex_token): Don't do -include file pushing here.
2703 (skip_escaped_newlines, get_effective_char, lex_percent): Take
2704 a cpp_reader rather than a cpp_buffer.
2705 (skip_escaped_newlines, get_effective_char, skip_block_comment,
2706 skip_line_comment, parse_string, lex_percent, lex_dot,
2707 _cpp_lex_token): Update accordingly.
2708 * cpplib.c (_cpp_pop_buffer): Don't do file change callback
2710 (cpp_push_buffer): Update prototype.
2711 (run_directive): Update use of cpp_push_buffer.
2712 (_cpp_do__Pragma, cpp_define, cpp_define_builtin, cpp_undef,
2713 handle_assertion): Update use of run_directive.
2714 * cpplib.h (enum cpp_buffer_type): Remove.
2715 (cpp_push_buffer): Update prototype.
2716 * fix-header.c (read_scan_file): Update.
2718 2001-08-22 Matt Kraai <kraai@alumni.carnegiemellon.edu>
2720 * gcc.c (struct prefix_list): Change prefix to const char *.
2722 2001-08-22 Matt Kraai <kraai@alumni.carnegiemellon.edu>
2724 * final.c (final_scan_insn): Call ADDR_VEC_ALIGN on next insn.
2726 2001-08-22 Jason Merrill <jason_merrill@redhat.com>
2728 * explow.c (set_mem_attributes): Avoid returning a bogus alias set
2731 * jump.c (squeeze_notes): Take parms by reference. Handle END being
2734 * ifcvt.c (dead_or_predicable): Adjust.
2735 * loop.c (find_and_verify_loops): Adjust.
2736 * stmt.c (expand_end_case): Adjust.
2737 * flow.c (merge_blocks_move_successor_nojumps): Adjust. Modify the
2738 head and end insn pointers in the basic block, not just local copies.
2739 (merge_blocks_move_predecessor_nojumps): Likewise.
2741 2001-08-22 Lars Brinkhoff <lars@nocrew.org>
2743 * Makefile.in, alias.c, basic-block.h, bb-reorder.c, bitmap.c,
2744 bitmap.h, builtin-types.def, builtins.c, builtins.def,
2745 c-aux-info.c, c-common.c, c-common.def, c-common.h,
2746 c-convert.c, c-decl.c, c-dump.c, c-dump.h, c-errors.c,
2747 c-format.c, c-lang.c, c-lex.c, c-lex.h, c-parse.in,
2748 c-pragma.c, c-pragma.h, c-semantics.c, c-tree.h, c-typeck.c,
2749 caller-save.c, calls.c, collect2.c, collect2.h, combine.c,
2750 conditions.h, config.gcc, configure.frag, configure.in,
2751 conflict.c, convert.c, convert.h, cppspec.c, crtstuff.c,
2752 cse.c, cselib.c, cselib.h, dbxout.c, dbxout.h, defaults.h,
2753 dependence.c, df.c, df.h, diagnostic.c, diagnostic.h,
2754 doloop.c, dominance.c, dwarf.h, dwarf2.h, dwarf2asm.c,
2755 dwarf2asm.h, dwarf2out.c, dwarf2out.h, dwarfout.c,
2756 emit-rtl.c, errors.c, errors.h, except.c, except.h,
2757 exgettext, explow.c, expmed.c, expr.c, expr.h, final.c,
2758 fixproto, flags.h, flow.c, fold-const.c, fp-test.c,
2759 function.c, function.h, gbl-ctors.h, gcc.c, gcc.h, gcc.hlp,
2760 gccspec.c, gcov-io.h, gcse.c, genattr.c, genattrtab.c,
2761 gencheck.c, gencodes.c, genconfig.c, genemit.c,
2762 genextract.c, genflags.c, gengenrtl.c, genmultilib,
2763 genopinit.c, genoutput.c, genpeep.c, genrecog.c,
2764 gensupport.c, gensupport.h, ggc-callbacks.c, ggc-common.c,
2765 ggc-none.c, ggc-page.c, ggc-simple.c, ggc.h, global.c,
2766 graph.c, graph.h, gthr-aix.h, gthr-dce.h, gthr-posix.h,
2767 gthr-rtems.h, gthr-single.h, gthr-solaris.h, gthr-vxworks.h,
2768 gthr-win32.h, gthr.h, haifa-sched.c, halfpic.c, halfpic.h,
2769 hard-reg-set.h, hwint.h, ifcvt.c, input.h, insn-addr.h,
2770 integrate.c, integrate.h, jump.c, lcm.c, libgcc2.c,
2771 libgcc2.h, lists.c, local-alloc.c, loop.c, loop.h,
2772 machmode.def, machmode.h, main.c, mbchar.c, mbchar.h,
2773 mips-tdump.c, mips-tfile.c, mklibgcc.in, mkmap-flat.awk,
2774 mkmap-symver.awk, optabs.c, output.h, params.c, params.def,
2775 params.h, predict.c, predict.def, predict.h, prefix.c,
2776 prefix.h, print-rtl.c, print-tree.c, profile.c, protoize.c,
2777 read-rtl.c, real.c, real.h, recog.c, recog.h, reg-stack.c,
2778 regclass.c, regmove.c, regrename.c, regs.h, reload.c,
2779 reload.h, reload1.c, reorg.c, resource.c, resource.h, rtl.c,
2780 rtl.def, rtl.h, rtlanal.c, sbitmap.c, sbitmap.h,
2781 sched-deps.c, sched-ebb.c, sched-int.h, sched-rgn.c,
2782 sched-vis.c, sdbout.c, sdbout.h, sibcall.c, simplify-rtx.c,
2783 ssa-ccp.c, ssa-dce.c, ssa.c, ssa.h, stmt.c, stor-layout.c,
2784 stringpool.c, system.h, timevar.c, timevar.def, timevar.h,
2785 tlink.c, toplev.c, toplev.h, tree.c, tree.def, tree.h,
2786 tsystem.h, unroll.c, unwind-dw2-fde.c, unwind-dw2-fde.h,
2787 unwind-dw2.c, unwind-pe.h, unwind-sjlj.c, unwind.h,
2788 unwind.inc, varasm.c, varray.c, varray.h, xcoffout.c,
2789 xcoffout.h: replace "GNU CC" with "GCC".
2791 2001-08-21 Richard Henderson <rth@redhat.com>
2793 * final.c (LABEL_ALIGN_AFTER_BARRIER): Default to no alignment.
2794 (final_scan_insn): Consider jump tables data even if we have no
2795 independant text section if !JUMP_TABLES_IN_TEXT_SECTION. Use
2797 * config/ia64/ia64.h (JUMP_TABLES_IN_TEXT_SECTION): Remove.
2798 (ASM_OUTPUT_CASE_END): Remove.
2799 (ASM_OUTPUT_ADDR_DIFF_ELT): Emit pc-relative references.
2800 * config/ia64/ia64.md (tablejump): Decode pc-relative references.
2801 * config/ia64/sysv4.h (ASM_OUTPUT_BEFORE_CASE_LABEL): Remove.
2803 2001-08-21 Richard Henderson <rth@redhat.com>
2805 * config/ia64/ia64.c (emit_all_insn_group_barriers): Flush state
2806 at barrier insns. Emit stop bits before barriers.
2808 * flow.c (flow_find_cross_jump): Don't consider unconditional
2809 return insns for commoning.
2811 * final.c (compute_alignments): Fix typo.
2813 * expmed.c (CODE_FOR_insv, gen_insv): Provide defaults.
2814 (CODE_FOR_extv, gen_extv, CODE_FOR_extzv, gen_extzv): Likewise.
2815 (store_bit_field): Use mode_for_extraction more places.
2816 (extract_bit_field): Likewise.
2818 2001-08-21 Zack Weinberg <zackw@panix.com>
2820 * caller-save.c: Don't include insn-codes.h.
2821 (reg_save_code, reg_restore_code): Make arrays of int.
2822 All uses updated to match.
2823 (insert_save, insert_restore): No need to initialize "code"
2824 variable upon declaration.
2825 * Makefile.in: update dependencies; fix typo in clean rule.
2827 2001-08-21 Richard Henderson <rth@redhat.com>
2829 * ifcvt.c (find_if_block): Allow join_bb as EXIT.
2830 (merge_if_block): Handle fallout from same.
2832 2001-08-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2834 * builtins.c (type_to_class): Fix typo in last change.
2836 2001-08-21 Richard Henderson <rth@redhat.com>
2838 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Don't emit '#' if
2839 ia64_asm_output_label.
2841 * config/ia64/crtbegin.asm (__do_global_dtors_aux): Use saved
2842 copy of gp while the real gp register contains garbage.
2844 2001-08-21 Zack Weinberg <zackw@panix.com>
2846 * expmed.c (mode_for_extraction): New function.
2847 (store_bit_field, extract_bit_field): Use it.
2848 * expr.h: Prototype it and provide an enum for its first argument.
2850 * combine.c, function.c, recog.c: Don't include insn-codes.h.
2851 Use mode_for_extraction rather than testing HAVE_insv/extv/extzv
2852 and digging through the insn_data tables.
2853 * Makefile.in: Update dependencies.
2855 2001-08-22 Neil Booth <neil@daikokuya.demon.co.uk>
2857 * cppfiles.c (stack_include_file): line-map.c now handles include
2859 (handle_missing_handler): Similarly.
2860 (_cpp_execute_include): Similarly.
2861 (_cpp_pop_file_buffer): Similarly.
2862 * cpphash.h (struct cpp_reader): Remove system_include_depth,
2863 buffer_stack_depth and include_depth.
2864 * cpplib.c (do_include_common): line-map.c now handles include depth.
2865 (cpp_push_buffer): Similarly.
2866 (_cpp_pop_buffer): Similarly.
2867 * cppmacro.c (builtin_macro): Update.
2868 * line-map.c (init_line_maps): Set depth.
2869 (add_line_map): Increment "used" earlier. Update and use the
2871 (trace_include): Use the include depth.
2872 * line-map.h (struct line_maps): New member depth.
2874 2001-08-21 Neil Booth <neil@daikokuya.demon.co.uk>
2876 * cppfiles.c (stack_include_file): Don't handle -H here.
2877 * cppinit.c (cpp_start_read): Set include tracing after
2878 cpp_post_options and after stacking the main file.
2879 * line-map.c (trace_include): New.
2880 (init_line_maps, add_line_map): Update.
2881 * line-map.h (struct line_maps): New member trace_includes.
2883 2001-08-21 Neil Booth <neil@daikokuya.demon.co.uk>
2885 * cppfiles.c (stack_include_file): Harmonize system headerness tests.
2886 * cppfiles.c (stack_include_file): Only stack a file if there
2887 is something to do. Return a boolean indicating whether a
2888 buffer was stacked or not.
2889 (_cpp_execute_include): Similarly.
2890 (_cpp_read_file): Similarly.
2891 * cpphash.h (_cpp_read_file, _cpp_execute_include): Update prototypes.
2893 2001-08-21 Sam Steingold <sds@gnu.org>
2895 * tradcpp.c (rescan): define obufp_before_macroname before RECACHE
2896 (RECACHE): keep obufp_before_macroname up to date
2898 2001-08-21 Zack Weinberg <zackw@panix.com>
2900 * stmt.c: Don't include insn-codes.h.
2901 (expand_end_case): Machine specific logic moved to expr.c.
2902 No need to worry about __builtin_classify_type.
2903 (check_for_full_enumeration_handling, emit_case_nodes):
2906 * builtins.o (expand_builtin_classify_type): Split up so code
2907 can be shared with fold_builtin_classify_type.
2908 (type_to_class, fold_builtin_classify_type): New functions.
2909 (fold_builtins): Handle __builtin_classify_type.
2911 * expr.c (do_tablejump): Now static.
2912 (case_values_threshold, try_casesi, try_tablejump): New;
2913 code mostly from stmt.c (expand_end_case).
2914 (expr.h): Update prototypes.
2916 * Makefile.in (stmt.o): Update dependencies.
2918 2001-08-21 Will Cohen <wcohen@redhat.com>
2920 * configure/alpha/alpha.h (CONDITIONAL_REGISTER_USAGE): Added local
2921 declaration of variable i.
2922 * configure/rs6000/rs6000.h (CONDITIONAL_REGISTER_USAGE): Added local
2923 declaration of variable i.
2925 2001-08-21 Richard Henderson <rth@redhat.com>
2927 * crtstuff.c: Fix thinko last change. Move list tails to start
2928 of CRT_END section. Tidy ifdefs.
2929 (__EH_FRAME_BEGIN__): Always static for ELF.
2930 (__do_global_ctors_1): Rename from __frame_dummy.
2931 * config/mips/iris6.h (LINK_SPEC): Update for __do_global_ctors_1
2932 name change; don't hide __EH_FRAME_BEGIN__.
2934 2001-08-21 Richard Henderson <rth@redhat.com>
2936 * gdbinit.in: Move break on exit after break on fancy_abort.
2938 * config/ia64/ia64.c (ia64_return_in_memory): True for variable
2941 2001-08-21 Neil Booth <neil@daikokuya.demon.co.uk>
2943 * cpphash.h (_cpp_push_next_buffer): New.
2944 * cppinit.c (do_includes): Remove.
2945 (push_include, free_chain, _cpp_push_next_buffer): New.
2946 (cpp_start_read): Use them to rework command line option handling.
2947 (cpp_handle_option): Combine handling of -include and -imacros.
2948 * cpplex.c (_cpp_lex_token): Push a new -include buffer if
2949 appropriate. Always insert missing \n at EOF.
2950 * cpplib.c (start_directive): Get the directive position right.
2951 * cppmain.c (cb_file_change): Always print the first line, unless
2954 2001-08-20 Andreas Jaeger <aj@suse.de>
2956 * profile.c (compute_branch_probabilities): Remove extra new-line
2958 * flow.c (verify_flow_info): Likewise.
2960 2001-08-20 Diego Novillo <dnovillo@redhat.com>
2962 * basic-block.h (basic_block): Add new field 'flags'.
2963 (BB_REACHABLE): Define.
2964 (expunge_block): Declare.
2965 * flow.c (ENTRY_BLOCK_PTR): Initialize field 'flags'.
2966 (EXIT_BLOCK_PTR): Ditto.
2967 (expunge_block): Remove static declaration.
2968 (cleanup_cfg): Clear bb->aux on every basic block.
2969 (find_unreachable_blocks): Set BB_REACHABLE bit in bb->flags when
2970 computing reachability.
2971 (delete_unreachable_blocks): Delete block b if b->flags has
2974 2001-08-20 Diego Novillo <dnovillo@redhat.com>
2976 * doc/invoke.texi: Replace references to -fdump-tree with -fdump-ast.
2978 2001-08-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2980 * sparc.c (sparc_variable_issue): Fix typo in last change.
2982 2001-08-20 Richard Henderson <rth@redhat.com>
2984 * varasm.c (assemble_integer): Document ppc-eabi -mrelocatable losage.
2986 2001-08-20 John David Anglin <dave@hiauly1.hia.nrc.ca>
2988 * pa.h (RETURN_IN_MEMORY): Improve comment.
2990 2001-08-20 Janis Johnson <janis187@us.ibm.com>
2992 * doc/invoke.texi (Profiling options): Clarify the interactions
2993 between -fprofile-arcs and -ftest-coverage, -fprofile-arcs.
2995 2001-08-20 Jeffrey Oldham <oldham@codesourcery.com>
2997 * crtstuff.c (__do_global_ctors): Fix typo in preprocessing
3000 2001-08-20 Matt Kraai <kraai@alumni.carnegiemellon.edu>
3002 * gcc.c (make_relative_prefix): Allocate a sufficiently large
3005 2001-08-20 Richard Henderson <rth@redhat.com>
3007 * final.c (end_final): Fix typo last change.
3009 2001-08-20 Neil Booth <neil@daikokuya.demon.co.uk>
3011 * cppinit.c (init_standard_includes): The returned buffer
3012 is already malloc-ed.
3013 * gcc.c (add_prefix): Similarly.
3014 * prefix.c (translate_name): Update to support clear buffer
3016 (update_path): Similarly. Be sure to free any newly allocated
3017 key. UPDATE_PATH_HOST_CANONICALIZE takes only one argument.
3019 * prefix.h (update_path): Update prototype and document.
3020 * config/i386/xm-djgpp.h (UPDATE_PATH_HOST_CANONICALIZE): Clean
3021 up and update to new buffer ownership rules.
3022 * doc/gcc.texi (UPDATE_PATH_HOST_CANONICALIZE): Update.
3024 Mon Aug 20 01:44:50 CEST 2001 Jan Hubicka <jh@suse.cz>
3026 * final.c (compute_alignments): New function.
3027 (init_insn_lengths): Do not care label_align.
3028 (LABEL_ALIGN_AFTER_BARRIER): Default to 1.
3029 (LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Default to 0.
3030 (JUMP_ALIGN, JUMP_ALIGN_MAX_SKIP): New.
3031 (shorted_branches): Realloc label_align array; do
3032 not call init_insn_lengths; Do not care about loop alignments.
3033 * output.h (compute_alignments): Declare.
3034 * toplev.c (rest_of_compilation): Call compute_alignments.
3035 * tm.texi (JUMP_ALIGN, JUMP_ALIGN_MAX_SKIP): Document.
3037 * predict.c (block_info_def): Add npredecesors, remove nvisited;
3038 change visited to tovisit.
3039 (propagate_freq): Use faster traversing algorithm.
3040 (estimate_loops_at_level, estimate_bb_frequencies): Change visited
3041 to tovisit; reverse meaning.
3043 * predict.c (struct block_info_def): Remove nvisited.
3044 (propagate_freq): Use EDGE_DFS_BACK to detect irreducible regions.
3045 (estimate_bb_frequencies): Call mark_dfs_back_edges.
3047 2001-08-19 Geoffrey Keating <geoffk@redhat.com>
3049 * doc/invoke.texi (MIPS Options): Document -mfused-madd.
3050 * config/mips/mips.h (MASK_NO_FUSED_MADD): New.
3051 (TARGET_FUSED_MADD): New.
3052 (TARGET_SWITCHES): Add -mfused-madd, -mno-fused-madd.
3053 * config/mips/mips.md: Add TARGET_FUSED_MADD as condition to
3054 the multiply-add instructions.
3056 2001-08-19 Richard Henderson <rth@redhat.com>
3058 * dwarf2asm.c (dw2_output_indirect_constant_1): The symbol ref
3059 is aligned to pointer size.
3061 2001-08-19 Richard Henderson <rth@redhat.com>
3063 * config/ia64/ia64.c (ia64_cycle_display): Only emit cycle
3064 display markers during final schedule.
3066 2001-08-19 Richard Henderson <rth@redhat.com>
3068 * function.c (gen_mem_addressof): Don't call get_alias_set if no decl.
3070 2001-08-19 Richard Henderson <rth@redhat.com>
3072 * config/ia64/ia64.h (STRIP_NAME_ENCODING): Handle @ and *
3074 (ASM_NAME_TO_STRING): Remove.
3075 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Handle @ and *
3076 in the same string. Remove support for expressions.
3078 2001-08-19 Richard Henderson <rth@redhat.com>
3080 * config/i386/i386.md (tablejump): Make an expander; handle
3081 pic relative addressing here.
3082 (tablejump_1): Rename from tablejump_pic.
3085 2001-08-19 Richard Henderson <rth@redhat.com>
3087 * regclass.c (fix_register): Fix typo.
3089 2001-08-18 Richard Henderson <rth@redhat.com>
3091 * config/ia64/unwind-ia64.c (UNW_REG_B0): New.
3092 (struct _Unwind_Context): Expand br_loc to hold it.
3093 (uw_frame_state_for): Handle leaf functions better.
3094 (uw_update_reg_address): Update for br_loc change.
3096 2001-08-18 Richard Henderson <rth@redhat.com>
3098 * crtstuff.c: Move list heads before code that uses them.
3099 (__JCR_LIST__): Remove initial null.
3100 (frame_dummy, __frame_dummy): Do java registration here ...
3101 (__do_global_ctors_aux): ... not here.
3103 * config/ia64/crtbegin.asm (dtor_ptr): Make gp-relative.
3104 (__do_global_dtors_aux): Update to match.
3105 (__JCR_LIST__, __do_jv_register_classes): New.
3107 * config/ia64/crtend.asm (__JCR_END__): New.
3108 (__do_global_ctors_aux): Use a GPREL64I reloc to __CTOR_END__
3109 instead of an indirect LTOFF22 reloc.
3111 2001-08-18 Richard Henderson <rth@redhat.com>
3113 * flow.c (mark_regs_live_at_end): Use regs_invalidated_by_call.
3114 * regclass.c (init_reg_sets_1): Fix typo.
3115 * config/ia64/ia64.c (ar_pfs_reg_operand): New.
3116 (ia64_expand_call): Pass ar.pfs to sibcall expanders.
3117 (ia64_compute_frame_size): Make ar.unat live when in use.
3118 (ia64_epilogue_uses): Reformat; do not check current_function_is_leaf
3119 for ar.pfs; remove ar.unat handling.
3120 * config/ia64/ia64.h (CALL_REALLY_USED_REGISTERS): ar.unat is
3122 (PREDICATE_CODES): Add ar_pfs_reg_operand.
3123 * config/ia64/ia64-protos.h: Update decls.
3124 * config/ia64/ia64.md (sibcall_nopic): Use ar.pfs.
3125 (sibcall_pic): Likewise.
3127 2001-08-18 Richard Henderson <rth@redhat.com>
3129 * config/ia64/ia64.c (ia64_sched_reorder2): Also skip past
3130 pred_rel_mutex when searching for insn_group_barrier.
3131 * config/ia64/ia64.md (cycle_display): Combine the expander
3134 * config/ia64/ia64.c (ia64_internal_sched_reorder): Emit stop
3135 bit before asm as needed.
3137 2001-08-18 Richard Henderson <rth@redhat.com>
3139 * timevar.def (TV_MACH_DEP): New.
3140 * toplev.c (rest_of_compilation): Use it.
3141 * config/ia64/ia64.c (ia64_reorg): Push to TV_SCHED2.
3143 2001-08-18 Zack Weinberg <zackw@panix.com>
3145 * unwind-dw2.c (execute_stack_op): Add default aborts to
3146 the inner switches to prevent warnings.
3148 2001-08-18 Richard Henderson <rth@redhat.com>
3150 * timevar.h (struct timevar_time_def): Change element type to float.
3151 (ticks_to_msec, clocks_to_msec): Likewise.
3152 (TICKS_TO_MSEC, CLOCKS_TO_MSEC): Rescale to seconds; use type float.
3153 (get_time): Likewise.
3154 (timevar_print): Adjust zero check and printing to match.
3156 2001-08-18 Zack Weinberg <zackw@panix.com>
3158 * doc/extend.texi, doc/gcc.texi, doc/install-old.texi,
3159 doc/invoke.texi, doc/md.texi, doc/rtl.texi, doc/include/gpl.texi:
3160 Eliminate overfull or underfull hboxes.
3162 2001-08-18 Zack Weinberg <zackw@panix.com>
3164 * cpperror.c: Use VA_OPEN/VA_CLOSE/VA_FIXEDARG throughout.
3166 2001-08-18 Zack Weinberg <zackw@panix.com>
3168 * haifa-sched.c: Convert to target hooks. Macros replaced
3169 are ISSUE_RATE, ADJUST_COST, ADJUST_PRIORITY, MD_SCHED_INIT,
3170 MD_SCHED_REORDER, MD_SCHED_REORDER2, MD_SCHED_VARIABLE_ISSUE,
3171 MD_SCHED_FINISH, and HAVE_cycle_display.
3172 * target-def.h (TARGET_SCHED_ADJUST_COST,
3173 TARGET_SCHED_ADJUST_PRIORITY, TARGET_SCHED_ISSUE_RATE,
3174 TARGET_SCHED_VARIABLE_ISSUE, TARGET_SCHED_INIT,
3175 TARGET_SCHED_FINISH, TARGET_SCHED_REORDER,
3176 TARGET_SCHED_REORDER2, TARGET_SCHED_CYCLE_DISPLAY):
3177 New hook #defines to be overridden.
3178 (TARGET_SCHED): Bring them all together.
3179 (TARGET_INITIALIZER): Update.
3180 * target.h: Don't forward declare struct rtx_def. Use 'rtx'
3181 instead of 'struct rtx_def *' throughout.
3182 (struct sched): New set of hooks for the scheduler.
3183 * Makefile.in (haifa-sched.o): Depend on target.h.
3184 * doc/tm.texi: Document the new scheduler hooks, together in
3185 their own section, instead of scattered around.
3186 Fix a bunch of underfull/overfull hboxes.
3188 * a29k.h, alpha.h, arm.h, c4x.h, convex.h, d30v.h, i386.h,
3189 ia64.h, m32r.h, m88k.h, mips.h, pa.h, rs6000.h, s390.h, sh.h,
3190 sparc.h: Don't define any of the old scheduler macros.
3192 * a29k.c, alpha.c, arm.c, c4x.c, convex.c, d30v.c, i386.c,
3193 ia64.c, m32r.c, m88k.c, mips.c, pa.c, rs6000.c, s390.c, sh.c,
3194 sparc.c: Create hook functions from code extracted from
3195 corresponding target header, or make existing hooks static, as
3196 appropriate. Set the appropriate entries in targetm.
3198 * alpha-protos.h, arm-protos.h, c4x-protos.h, d30v-protos.h,
3199 i386-protos.h, ia64-protos.h, m32r-protos.h, pa-protos.h,
3200 rs6000-protos.h, s390-protos.h, sparc-protos.h:
3201 Remove prototypes for functions which are now static.
3203 * d30v.h, d30v.c, m32r.h, m32r.c: Remove #ifdef HAIFA and
3204 related gunk; the Haifa scheduler is now the only choice.
3206 2001-08-18 Zack Weinberg <zackw@panix.com>
3208 * optabs.h (OTI_flodiv, flodiv_optab): Kill.
3209 * genopinit.c: Put floating point divide insns in sdiv_optab.
3210 * expr.c (expand_expr): Use sdiv_optab, not flodiv_optab.
3211 * config/gofast.h, config/c4x/c4x.h,
3212 config/ia64/hpux_longdouble.h, config/mips/mips.h,
3213 config/pa/long_double.h, config/rs6000/sysv4.h,
3214 config/sparc/sparc.h: Put floating point divide libcalls in sdiv_optab.
3215 * optabs.c (init_optab): Break into new_optab, init_optab, init_optabv.
3216 (init_optabs): Use init_optabv for overflow-trapping optabs.
3217 Don't init flodiv_optab. Give mov_optab, movstrict_optab, and
3218 cmp_optab RTX codes so have_insn_for can find them.
3220 * optabs.c (expand_simple_binop, expand_simple_unop,
3221 have_insn_for, gen_sub3_insn): New interfaces.
3222 * expr.h: Prototype new functions.
3223 (enum optab_methods): Move here from optabs.h.
3225 * builtins.c, combine.c, doloop.c, function.c, ifcvt.c,
3226 loop.c, profile.c, simplify-rtx.c, stmt.c, unroll.c:
3227 Use new functions instead of working directly with optabs.
3228 * doloop.c, ifcvt.c, loop.c, profile.c, simplify-rtx.c,
3229 unroll.c: Don't include optabs.h.
3230 * caller-save.c, combine.c, function.c, stmt.c: Just include
3231 insn-codes.h, not optabs.h.
3232 * Makefile.in: Update dependencies.
3234 * combine.c (make_compound_operation, simplify_comparison):
3235 Fix typos testing for this or that instruction.
3237 2001-08-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3239 * mklibgcc.in: Prefer LIB1ASMFUNCS over LIB2_DIVMOD_FUNCS when
3240 generating libgcc.a.
3242 2001-08-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3244 * except.c (TYPE_HASH): Delete.
3246 * objc/objc-act.c (HASHFUNCTION): Cast to size_t, not
3249 * tree.c (TYPE_HASH): Delete.
3251 * tree.h (TYPE_HASH): Define.
3253 2001-08-18 Graham Stott <grahams@redhat.com>
3255 * config/mips/mips.md (adddi3_internal_2+1): Remove contraints from
3257 (adddi3_internal_2+2): Likewise.
3258 (eh_set_lr_di+1): Likewise.
3260 2001-08-17 Richard Henderson <rth@redhat.com>
3262 * defaults.h (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
3263 UNALIGNED_DOUBLE_INT_ASM_OP, ASM_BYTE_OP): Move from ...
3264 * dwarf2asm.c: ... here.
3265 * dwarfout.c: Remove them.
3267 * varasm.c (assemble_integer): Add align parameter.
3268 (assemble_real, output_constant, output_constructor): Likewise.
3269 * output.h: Update decls.
3270 * dwarf2asm.c, final.c, varasm.c, config/darwin.c, config/nextstep.c,
3271 config/alpha/alpha.c, config/arm/arm.md, config/clipper/clipper.c,
3272 config/m88k/m88k.c, config/mcore/mcore.md, config/mips/mips.h,
3273 config/mips/mips.md, config/pa/pa.c, config/rs6000/rs6000.c,
3274 config/rs6000/rs6000.h, config/s390/s390.h, config/sh/sh.md:
3277 * final.c (end_final): Abort profile block generation if we
3278 havn't layed it out properly.
3279 * output.h (assemble_eh_integer): Remove stale decl.
3280 * varasm.c (assemble_zeros): Tidy; use assemble_integer.
3282 (assemble_integer): Handle unaligned data.
3283 (assemble_real): Abort on unaligned data.
3284 (output_constructor): Don't assume ASM_OUTPUT_ALIGN 0 does
3286 (default_dtor_section_asm_out_destructor): Use assemble_align.
3287 (default_named_section_asm_out_constructor): Likewise.
3288 (default_ctor_section_asm_out_constructor): Likewise.
3289 * config/darwin.c (machopic_asm_out_constructor): Likewise.
3290 (machopic_asm_out_destructor): Likewise.
3291 * config/nextstep.c (nextstep_asm_out_constructor): Likewise.
3292 (nextstep_asm_out_destructor): Likewise.
3293 * config/alpha/alpha.c (vms_asm_out_constructor): Likewise.
3294 (vms_asm_out_destructor): Likewise.
3296 2001-08-17 Richard Henderson <rth@redhat.com>
3298 * config/mips/iris6.h (TARGET_IRIX6): New.
3299 (current_section_name, current_section_flags): New.
3300 (ASM_OUTPUT_ALIGN, ASM_FILE_START, ASM_FILE_END): New.
3301 (MAX_OFILE_ALIGNMENT): New.
3302 (ASM_OUTPUT_ALIGNED_LOCAL): Use bss_section.
3303 * config/mips/mips.c (mips_make_temp_file, temp_filename): Remove.
3304 (copy_file_data): Split out from
3305 (mips_asm_file_end): ... here.
3306 (mips_asm_file_start): Remove extra .section directive. Use
3307 tmpfile instead of mips_make_temp_file.
3308 (mips_unique_section): Use const char * as needed for warnings.
3309 (iris6_asm_named_section_1): Renamed from iris6_asm_named_section;
3310 re-add align parameter.
3311 (iris6_asm_named_section): New.
3312 (iris_section_align_entry_eq, iris_section_align_entry_hash): New.
3313 (iris6_asm_output_align, iris6_section_align_1): New.
3314 (iris6_asm_file_start, iris6_asm_file_end): New.
3315 * config/mips/mips-protos.h: Update decls.
3317 2001-08-17 Janis Johnson <janis187@us.ibm.com>
3319 * doc/install.texi (Install GCC): Add links to build status pages.
3321 (Final install): Ditto; request updates for specific info
3323 2001-08-17 Neil Booth <neil@daikokuya.demon.co.uk>
3325 * cpperror.c (print_location): Don't take a file name; use the
3327 (_cpp_begin_message): Similarly.
3328 (cpp_ice, cpp_fatal, cpp_error, cpp_error_with_line, cpp_warning,
3329 cpp_warning_with_line, cpp_pedwarn, cpp_pedwarn_with_line): Update.
3330 (cpp_pedwarn_with_file_and_line): Remove.
3331 * cppfiles.c (stack_include_file): Update; set filename to stdin
3332 here when appropriate.
3333 * cpphash.h (struct cpp_buffer): Remove nominal_fname.
3334 (_cpp_begin_message): Don't take a file name.
3335 * cppinit.c: Add comment.
3336 * cpplex.c: Fix end-of-directive indicator.
3337 * cpplib.c: Don't include intl.h.
3338 (run_directive, do_diagnostic): Update.
3339 (do_line): Update to not use nominal_fname.
3340 (cpp_push_buffer): Don't take a filename.
3341 * cpplib.h (struct ht): Remove.
3342 (cpp_push_buffer): Don't take a filename.
3343 (cpp_pedwarn_with_file_and_line): Remove.
3344 * cppmacro.c (struct cpp_macro): Remove file.
3345 (builtin_macro): Update.
3346 (_cpp_create_definition): Update.
3347 * cppmain.c: Correct comment.
3348 * fix-header.c (read_scan_file): Update.
3350 2001-08-17 Kazu Hirata <kazu@hxi.com>
3352 * sbitmap.c: Fix comment formatting.
3353 * sched-deps.c: Likewise.
3354 * sibcall.c: Likewise.
3355 * simplify-rtx.c: Likewise.
3357 * ssa-ccp.c: Likewise.
3358 * stor-layout.c: Likewise.
3359 * timevar.c: Likewise.
3360 * toplev.c: Likewise.
3361 * unwind-dw2.c: Likewise.
3362 * unwind-dw2-fde.c: Likewise.
3363 * varasm.c: Likewise.
3365 2001-08-17 John David Anglin <dave@hiauly1.hia.nrc.ca>
3367 * pa.h (RETURN_IN_MEMORY): Return types with a size that is varable
3368 or larger than an integer in memory.
3370 2001-08-17 Zack Weinberg <zackw@panix.com>
3372 * system.h: Forward-declare struct rtx_def, struct rtvec_def,
3373 and union tree_node. Typedef rtx, rtvec, and tree. Fix comment.
3374 * rtl.h: Don't forward-declare union tree_node here. Don't
3375 typedef rtx or rtvec here. Change all uses of struct rtx_def *,
3376 struct rtvec_def *, or union tree_node * to use rtx, rtvec,
3377 and tree respectively.
3378 * tree.h: Don't forward-declare struct rtx_def here. Don't
3379 typedef tree here. Change all uses of struct rtx_def *,
3380 struct rtvec_def *, or union tree_node * to use rtx, rtvec,
3381 and tree respectively.
3383 2001-08-17 Richard Henderson <rth@redhat.com>
3385 * config/mips/elf.h, config/mips/elf64.h, config/mips/netbsd.h,
3386 config/mips/openbsd.h: Fix typos last change.
3388 2001-08-17 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3390 * doc/invoke.texi (Optimize Options): The default for
3391 -finline-limit is 600.
3393 2001-08-17 Richard Henderson <rth@redhat.com>
3395 * varasm.c (text_section): Allow TEXT_SECTION to override the
3396 printing of TEXT_SECTION_ASM_OP.
3397 * dwarf2out.c (TEXT_SECTION_NAME): Rename from TEXT_SECTION.
3398 (DATA_SECTION, BSS_SECTION): Remove.
3399 * dwarfout.c (TEXT_SECTION_NAME, DATA_SECTION_NAME, DATA1_SECTION_NAME,
3400 RODATA_SECTION_NAME, RODATA1_SECTION_NAME, BSS_SECTION_NAME):
3401 Rename from s/_NAME//.
3402 * config/mips/mips.h (TARGET_FILE_SWITCHING): Add !TARGET_MIPS16.
3403 (ASM_DECLARE_FUNCTION_NAME): Move file switching ...
3404 (TEXT_SECTION): ... here. New.
3405 * config/mips/elf.h (TEXT_SECTION): New; no file switching.
3406 * config/mips/elf64.h, config/mips/netbsd.h: Likewise.
3407 * config/mips/openbsd.h: Likewise.
3408 * config/mips/mips.c (mips_asm_file_start): Tidy file switching test.
3409 (mips_asm_file_end): Likewise test.
3410 (mips_output_function_epilogue): Likewise. Switch back to data
3411 section after emitting the function.
3413 * doc/tm.texi (Sections): Document TEXT_SECTION.
3415 2001-08-17 Richard Henderson <rth@redhat.com>
3417 * dwarf2out.c (dwarf2out_init): Don't emit .debug_loc label here.
3418 (dwarf2out_finish): Do it here. Emit .debug_loc before .debug_info.
3420 2001-08-17 Richard Henderson <rth@redhat.com>
3422 * varasm.c (assemble_variable): Don't overalign if DECL_USER_ALIGN.
3423 * crtstuff.c (__CTOR_LIST__, __DTOR_LIST__, __EH_FRAME_BEGIN__,
3424 __JCR_LIST__, __CTOR_END__, __DTOR_END__, __FRAME_END__,__JCR_END__):
3425 Add aligned attribute.
3427 2001-08-17 Andrew Haley <aph@cambridge.redhat.com>
3429 * config/sh/sh.md: Add modes to unspecs in first insn to match
3430 those in the second.
3432 * Makefile.in: Fix collect2 copy for Cygwin.
3434 Fri Aug 17 15:48:57 CEST 2001 Jan Hubicka <jh@suse.cz>
3436 Install the proper patch.
3437 * function.c (put_var_into_stack): Temporarily clear DECL_RTL.
3438 (assign_params): Avoid setting DECL_RTL to unfinished RTX.
3439 (expand_function_start): Likewise.
3440 * stmt.c (expand_decl): Likewise.
3441 * varasm.c (make_decl_rtx): Likewise.
3443 Fri Aug 17 15:41:35 CEST 2001 Jan Hubicka <jh@suse.cz>
3445 * final.c: Undo my previous accidental checkin.
3446 * output.h: Likewise.
3447 * tm.texi: Likewise.
3449 2001-08-16 Richard Henderson <rth@redhat.com>
3451 * varasm.c (named_section_flags): Remove align parameter.
3452 * varasm.c, dwarf2out.c: Update all callers.
3453 * output.h: Update prototypes.
3455 * target.h (target.asm_out.named_section): Remove align parameter.
3456 * varasm.c, config/a29k/a29k.c, config/alpha/alpha.c,
3457 config/arm/arm.c, config/c4x/c4x.c, config/h8300/h8300.c,
3458 config/i386/i386.c, config/i386/winnt.c, config/m68k/m68k.c,
3459 config/mcore/mcore.c, config/mips/mips.c, config/rs6000/rs6000.c,
3460 config/sh/sh.c, config/sparc/sparc.c: Update implementations to match.
3462 * varasm.c (in_named_entry_eq, in_named_entry_hash): New.
3463 (get_named_section_flags, set_named_section_flags): New.
3464 (named_section_flags): Use them.
3465 (named_section): Do decl vs section flags check here...
3466 (default_section_type_flags): ... not here.
3467 (init_varasm_once): Create in_named_htab.
3468 (resolve_unique_section): Mark reloc unused.
3470 2001-08-16 Richard Henderson <rth@redhat.com>
3472 * varasm.c (force_const_mem): Keep pool alignment in bits.
3473 (output_constant_pool): Use assemble_align.
3475 2001-08-16 Zack Weinberg <zackw@panix.com>
3477 * doc/tm.texi: Remove extra @table command.
3479 2001-08-16 Zack Weinberg <zackw@panix.com>
3481 * final.c (shorten_branches): Clear the end of the label_align
3482 array only if we made it larger. Break up messy expressions
3485 * diagnostic.c (internal_error): Check for error recursion
3486 before doing ICE suppression.
3488 * timevar.c: Timing variables now count in milliseconds.
3489 (init_timevar): Set up ticks_to_msec and clocks_to_msec here.
3490 (get_time): Not here.
3491 (timevar_print): Don't print any timer whose user, cpu, and
3492 wall times are all zero as displayed.
3493 * timevar.h: Update comment aboout units. Make timevar
3496 Thu Aug 16 17:39:45 CEST 2001 Jan Hubicka <jh@suse.cz>
3498 * function.c (put_var_into_stack): Temporarily clear DECL_RTL.
3499 (assign_params): Avoid setting DECL_RTL to unfinished RTX.
3500 (expand_function_start): Likewise.
3501 * stmt.c (expand_decl): Likewise.
3502 * varasm.c (make_decl_rtx): Likewise.
3504 2001-08-16 Jason Merrill <jason_merrill@redhat.com>
3506 * stor-layout.c (layout_decl): Don't set DECL_USER_ALIGN.
3507 (finalize_record_size): Don't set TYPE_USER_ALIGN.
3509 2001-08-16 Matt Kraai <kraai@alumni.carnegiemellon.edu>
3511 * config/i386/i386.c (ix86_init_mmx_sse_builtins): Remove unused
3514 2001-08-16 Andreas Jaeger <aj@suse.de>
3516 * config/s390/s390.c: Include "debug.h" for dwarf2out_do_frame
3519 Wed Aug 15 15:22:52 EDT 2001 John Wehle (john@feith.com)
3521 * rtl.h (only_sets_cc0_p): New prototype.
3522 * jump.c (sets_cc0_p): Handle INSN.
3523 (only_sets_cc0_p): New function.
3524 * flow.c (merge_blocks_nomove): Use only_sets_cc0_p.
3525 (tidy_fallthru_edge): Likewise.
3526 * integrate.c (copy_insn_list): Likewise.
3527 * unroll.c (unroll_loop): Likewise.
3528 (copy_loop_body): Likewise.
3530 2001-08-15 Jason Eckhardt <jle@redhat.com>
3532 * config/i960/i960.md (trap): Change "faulteq.t" to "faulte.t".
3534 Wed Aug 15 14:24:22 CEST 2001 Jan Hubicka <jh@suse.cz>
3536 * predict.c (struct block_info_def): Remove nvisited.
3537 (propagate_freq): Use EDGE_DFS_BACK to detect irreducible regions.
3538 (estimate_bb_frequencies): Call mark_dfs_back_edges.
3540 * i386.c (ix86_agi_depdendant): Lea causes AGI only on the Pentium
3541 (ix86_adjust_cost): Teach scheduler that latency to load operand can
3544 Wed Aug 15 12:41:32 CEST 2001 Jan Hubicka <jh@suse.cz>
3546 * predict.def: Update hitrates.
3548 2001-08-15 Richard Henderson <rth@redhat.com>
3550 * except.c (TYPE_HASH): Cast to size_t, not HOST_WIDE_INT.
3552 Tue Aug 14 17:30:59 2001 Jeffrey A Law (law@cygnus.com)
3554 * flow.c (commit_one_edge_insertion): Don't separate a LOOP_BEG
3555 note from its associated jump.
3557 2001-08-14 Ulrich Weigand <uweigand@de.ibm.com>
3559 * config/s390/linux64.h (CPP_PREDEFINES): Define __s390__
3560 also on 64-bit s390x targets.
3562 2001-08-14 Nick Clifton <nickc@cambridge.redhat.com>
3564 * config/arm/arm.c (arm_compute_initial_elimination_offset): New
3566 (arm_expand_prologue): Handled nested functions which take a
3567 variable argument list.
3568 * config/arm/arm.h (ARM_INITIAL_ELIMINATION_OFFSET): Replace
3569 macro with an invocation of
3570 arm_compute_initial_elimination_offset.
3571 * config/arm/arm-protos.h: Prototype
3572 arm_compute_initial_elimination_offset.
3574 2001-08-14 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3576 * doc/install.texi (Specific, avr): Fix markup.
3577 (Specific, c4x): Ditto.
3579 2001-08-14 Matt Kraai <kraai@alumni.carnegiemellon.edu>
3581 * predict.c (dump_prediction): Change `bool' parameter to `int'.
3583 2001-08-14 Gabriel Dos Reis <gdr@codesourcery.com>
3585 * Makefile.in (OBJS): Add rtl-error.o
3586 (rtl-error.o): New rule.
3587 (diagnostic.o): Adjust dependency.
3588 diagnostic.c (file_and_line_for_asm, diagnostic_for_asm,
3589 error_for_asm, _fatal_insn, _fatal_insn_not_found,
3590 warning_for_asm): Move to...
3591 rtl-error.c: ...here. New file.
3593 2001-08-14 Richard Henderson <rth@redhat.com>
3595 * dwarf2out.c (dwarf2out_frame_finish): Never emit .eh_frame
3596 if USING_SJLJ_EXCEPTIONS.
3598 2001-08-14 Steve Ellcey <sje@cup.hp.com>
3600 * tlink.c (scan_linker_output): Check string for unsatisfied in
3601 addition to undefined and unresolved.
3603 2001-08-14 Graham Stott <grahams@redhat.com>
3605 * libgcc2.c (*): Replace EH_FRAME_SECTION with
3606 EH_FRAME_SECTION_NAME.
3608 Tue Aug 14 14:57:07 CEST 2001 Jan Hubicka <jh@suse.cz>
3610 * genattrtab.c (simplify_test_exp_in_temp): New function.
3611 (simplify_test_exp): Avoid explicit use of temporary obstack.
3612 (simplify_cond, insert_right_side, evaluate_eq_attr,
3613 simplify_and_tree, simplify_or_tree, eliminate_known_true):
3614 Use simplify_test_exp_in_temp.
3615 (optimize_attrs): Iterate until expression stabilizes.
3617 2001-08-13 Ulrich Weigand <uweigand@de.ibm.com>:
3619 * glimits.h: Remove the __LONG_MAX__ special case for s390x.
3620 * config/s390/linux64.h: Define __LONG_MAX__ in CPP_PREDEFINES.
3622 2001-08-13 Richard Henderson <rth@redhat.com>
3624 * config/arm/unknown-elf.h (CTOR_LIST_BEGIN, CTOR_LIST_END): Remove.
3625 (DTOR_LIST_BEGIN, DTOR_LIST_END): Remove.
3626 * config/arm/conix-elf.h: Likewise.
3628 2001-08-13 Geoffrey Keating <geoffk@redhat.com>
3630 * config/svr4.h (LINK_SPEC): Don't do -Wl, here, it is done
3632 * config/rs6000/sysv4.h (LINK_SPEC): Likewise.
3634 * gcse.c (hash_scan_set): Expressions that are set as part of
3635 jump instructions are not available.
3637 2001-08-13 Ulrich Weigand <uweigand@de.ibm.com>
3639 * config/s390/s390.c (print_operand, s390_function_prologue,
3640 s390_va_start): Fixed HOST_WIDE_INT type mismatch.
3642 2001-08-13 Richard Henderson <rth@redhat.com>
3644 * config/rs6000/xcoff.h (EH_FRAME_IN_DATA_SECTION): New.
3645 * defaults.h (EH_FRAME_SECTION_NAME): Respect it.
3646 * doc/tm.texi (Exception Region Output): Document it.
3648 2001-08-13 Geoffrey Keating <geoffk@redhat.com>
3650 * config/rs6000/sysv4.h (PREFERRED_DEBUGGING_TYPE): Use
3651 DWARF2 instead of stabs by default.
3653 2001-08-13 David Edelsohn <edelsohn@gnu.org>
3655 * config/rs6000/rs6000.c: Include optabs.h.
3657 2001-08-13 David Edelsohn <edelsohn@gnu.org>
3659 * config/rs6000/eabi.asm: Define 64-bit versions of FPR
3660 save/restore routines.
3661 * ginclude/ppc-asm.h: Define 64-bit FUNC_* macros.
3663 2001-08-13 Andreas Jaeger <aj@suse.de>
3665 * gcc.c (init_spec): Revert last patch by Theodore Papadopoulo,
3666 the english is correct.
3668 2001-08-13 Zack Weinberg <zackw@panix.com>
3670 * expr.h: Split out optab- and libfunc-related code to...
3671 * optabs.h, libfuncs.h: ... these new headers.
3673 * Makefile.in (CONFIG_H, EXPR_H): Take out insn-codes.h.
3675 (various .o rules): Add $(OPTABS_H) and/or libfuncs.h to
3677 * mkconfig.sh: Don't include insn-codes.h from config.h.
3679 * reload.h: Use #ifdef GCC_INSN_CODES_H to decide whether
3680 enum insn_code is available. Move reload_in_optab and
3681 reload_out_optab array declarations to optabs.h.
3682 * regmove.c (gen_add3_insn): Move to optabs.c, export from
3683 there, prototype in expr.h.
3684 * gencodes.c: Cleanup: zap global variables, don't use
3685 printf where puts will do, don't bother defining MAX_INSN_CODE
3686 which nothing uses, let CODE_FOR_nothing get its value implicitly.
3688 * genemit.c, genopinit.c: Include optabs.h in generated file.
3689 * genoutput.c: Include insn-codes.h in generated file.
3690 * builtins.c, caller-save.c, combine.c, doloop.c, explow.c,
3691 expmed.c, expr.c, function.c, ifcvt.c, loop.c, optabs.c, profile.c,
3692 reload1.c, simplify-rtx.c, stmt.c, unroll.c, config/alpha/alpha.c,
3693 config/arm/arm.c, config/c4x/c4x.c, config/clipper/clipper.c,
3694 config/i386/i386.c, config/ia64/ia64.c, config/mn10300/mn10300.c,
3695 config/pj/pj.c, config/sh/sh.c, config/sparc/sparc.c:
3697 * builtins.c, calls.c, dwarf2out.c, except.c, expr.c, function.c,
3698 optabs.c, stmt.c, config/c4x/c4x.c, config/clipper/clipper.c,
3699 config/m88k/m88k.c, config/sparc/sparc.c:
3701 * reload.c: Include expr.h and optabs.h before reload.h.
3702 * config/alpha/alpha.c: Include tree.h before reload.h.
3703 * config/pa/pa.c: Include expr.h, optabs.h, libfuncs.h,
3704 and reload.h in that order.
3705 * config/sparc/sparc.c: Include debug.h.
3706 * recog.c: Include insn-codes.h.
3708 2001-08-13 Andreas Jaeger <aj@suse.de>
3710 * config.gcc: Use t-slibgcc-elf to build shared libgcc_s on
3713 2000-08-13 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
3715 * dwarf2out.c (output_cfa_loc): Fix typo in comment.
3716 * gcc.c (init_spec): Fix typo in comment.
3717 * varasm.c (data_section): Fix typo in comment.
3719 Mon Aug 13 02:27:39 CEST 2001 Jan Hubicka <jh@suse.cz>
3721 * predict.c (dump_prediction): New argument "USED".
3722 (combine_predictions_for_insn): Determine the used heuristics,
3723 output the case no heuristic applied.
3724 * predict.def (PRED_DS_THEORY, PRED_NO_HEURISTIC): New.
3726 2001-08-13 Andreas Jaeger <aj@suse.de>
3728 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Don't capitalize
3731 2001-08-13 Kazu Hirata <kazu@hxi.com>
3733 * jump.c: Fix formatting.
3735 2001-08-13 Kazu Hirata <kazu@hxi.com>
3737 * config/h8300/h8300.md (zero_extendqihi2): Correct the insn
3740 2001-08-12 Geoffrey Keating <geoffk@redhat.com>
3742 * loop.c (check_dbra_loop): Use condjump_label to compute
3745 * rtl.h: Move prototypes of rtx_alloc and rtvec_alloc around
3746 to better document the files they're in.
3748 2001-08-12 Zack Weinberg <zackw@panix.com>
3750 * recog.h (struct insn_operand_data): Shrink 'mode' field
3753 2001-08-12 Kazu Hirata <kazu@hxi.com>
3755 * gcc.c: Fix comment formatting.
3756 * gccspec.c: Likewise.
3759 * genemit.c: Likewise.
3760 * gengenrtl.c: Likewise.
3761 * genrecog.c: Likewise.
3762 * gensupport.c: Likewise.
3763 * ggc-page.c: Likewise.
3764 * global.c: Likewise.
3765 * graph.c: Likewise.
3766 * ifcvt.c: Likewise.
3767 * integrate.c: Likewise.
3769 * libgcc2.c: Likewise.
3771 * mbchar.c: Likewise.
3772 * optabs.c: Likewise.
3773 * predict.c: Likewise.
3774 * prefix.c: Likewise.
3775 * profile.c: Likewise.
3776 * protoize.c: Likewise.
3778 * recog.c: Likewise.
3779 * regclass.c: Likewise.
3780 * regmove.c: Likewise.
3781 * reg-stack.c: Likewise.
3782 * reload1.c: Likewise.
3783 * resource.c: Likewise.
3784 * rtlanal.c: Likewise.
3787 2001-08-12 Kazu Hirata <kazu@hxi.com>
3789 * doc/tm.texi (ENCODE_SECTION_INFO): Add documentation on how
3790 a tree representing a constant is passed to the macro.
3792 2001-08-12 Richard Henderson <rth@redhat.com>
3794 * config/rs6000/rs6000.c (rs6000_elf_asm_out_constructor): New.
3795 (rs6000_elf_asm_out_destructor): New.
3796 * config/rs6000/sysv4.h (CTORS_SECTION_ASM_OP): Remove.
3797 (DTORS_SECTION_ASM_OP): Remove.
3798 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
3799 (ASM_OUTPUT_INT): Don't hack TARGET_RELOCATABLE for constructors.
3801 2001-08-12 David Edelsohn <edelsohn@gnu.org>
3804 2001-08-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3805 * gcc.c (set_collect_gcc_options): New function, split out from
3807 Ignore elided switches.
3808 (do_spec_1): Invoke before executing command.
3809 (set_input): Export.
3810 Move declaration ...
3811 * gcc.h (set_input): ... here.
3812 * config/alpha/osf.h (ASM_FINAL_SPEC): Use %U.s to refer to input
3815 2001-08-12 Richard Henderson <rth@redhat.com>
3817 * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): Fix
3818 thinko wrt TARGET_RELOCATABLE.
3820 2001-08-12 Neil Booth <neil@daikokuya.demon.co.uk>
3822 * fix-header.c (cb_file_change): Update prototype.
3824 2001-08-11 Zack Weinberg <zackw@panix.com>
3826 * toplev.c (set_float_handler): Make static.
3827 * toplev.h: Don't prototype set_float_handler.
3829 * simplify-rtx.c: Don't include setjmp.h.
3830 (simplify_unary_real, simplify_binary_real, simplify_binary_is2orm1):
3832 (simplify_unary_operation, simplify_binary_operation): Use them,
3833 via do_float_handler.
3835 * fold-const.c: Don't include setjmp.h.
3836 (exact_real_inverse_1): New function.
3837 (exact_real_inverse): Use it, via do_float_handler.
3839 * varasm.c: Don't include setjmp.h.
3840 (assemble_real_1): New function.
3841 (assemble_real): Use it, via do_float_handler.
3842 Call internal_error if we get a trap here.
3844 * c-parse.in, cse.c, cselib.c, config/i386/i386.c,
3845 config/pj/pj.c, config/s390/s390.c: Don't include setjmp.h.
3847 2001-08-11 Zack Weinberg <zackw@panix.com>
3849 * defaults.h: Define PREFERRED_STACK_BOUNDARY to
3850 STACK_BOUNDARY if not already defined.
3852 * calls.c, function.c, reload1.c, explow.c: Don't default
3853 PREFERRED_STACK_BOUNDARY. Remove all #if/#ifdef on
3854 PREFERRRED_STACK_BOUNDARY and/or STACK_BOUNDARY.
3856 * explow.c (allocate_dynamic_stack_space): Change unsafe #if
3859 * doc/tm.texi: Document that STACK_BOUNDARY is required;
3860 clarify difference between it and PREFERRED_STACK_BOUNDARY.
3862 2001-08-11 Neil Booth <neil@daikokuya.demon.co.uk>
3864 * cppmacro.c (enter_macro_context): Push macro expansions even
3867 2001-08-11 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3869 * config/rs6000/rs6000.c: Include integrate.h to silence warning.
3870 (rs6000_elf_section_type_flags): Actually return a value.
3872 2001-08-11 Ulrich Weigand <uweigand@de.ibm.com>
3874 * s390.c, s390.h, s390.md, s390-protos.h, linux.h, t-linux:
3875 Clean up code: add missing comments and prototypes, fix warnings,
3876 remove obsolete code, fix spacing to conform to coding style.
3878 2001-08-11 Ulrich Weigand <uweigand@de.ibm.com>
3880 * config/s390/s390.c (targetm): Define TARGET_ASM_OPEN_PAREN
3881 and TARGET_ASM_CLOSE_PAREN.
3882 (regclass_map): CC register belongs to class NO_REGS.
3883 (legitimize_pic_address): Don't generate unnecessary moves
3884 (to avoid confusing loop optimization).
3885 (check_and_change_labels): Replace jump_long by indirect_jump.
3886 (s390_final_chunkify): Don't start a new literal pool on section
3887 switch in 64-bit code.
3888 (s390_va_start, s390_va_arg): Fixed incorrect sizes for 64-bit.
3890 * config/s390/s390.h (TARGET_SWITCHES): Renamed debug_arg to debug.
3891 (MAX_BITS_PER_WORD, MAX_LONG_TYPE_SIZE): Set to 64 (for 64-bit).
3892 (HARD_REGNO_MODE_OK, RETURN_IN_MEMORY): Support complex integer
3894 (reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Remove CC_REGS.
3895 (EH_RETURN_HANDLER_RTX): Fixed incorrect offset for 64-bit.
3896 (CONST_COSTS): Fixed incorrect costs.
3898 * config/s390/s390.md (fixuns_trunc[sd]f[sd]i2, udivsi3, umodsi3):
3899 Use emit_jump instead of emit_jump_insn (gen_jump).
3900 (divsi3, modsi3): Clobber low word of divmoddisi3 before shifting
3901 (to avoid confusing flow analysis).
3902 (tablejump, tablejump1, tablejump2): Removed. Replaced by casesi.
3903 (casesi, casesi_jump): New.
3904 (jump_long): Removed. Functionality merged into indirect_jump.
3905 (indirect_jump): Accept address_operand, not just register_operand.
3906 (cjump_long, icjump_long): Use same logic as indirect_jump.
3907 (builtin_setjmp_setup, builtin_setjmp_receiver, builtin_longjmp):
3908 Fixed broken setjmp/longjmp handling.
3909 (do_builtin_setjmp_setup): Removed.
3911 * config/s390/linux.h (ASM_OUTPUT_DOUBLE_INT): Work around
3912 broken GNU as versions that don't accept .quad with large
3913 negative values. Use hexadecimal output instead.
3914 (ASM_OUTPUT_ADDR_DIFF_ELT): Adapt to new casesi insn.
3915 (ASM_OPEN_PAREN, ASM_CLOSE_PAREN, FUNCTION_PROLOGUE,
3916 FUNCTION_EPILOGUE): Removed. Now in targetm.
3918 * config/s390/linux64.h (CALL_USED_REGISTERS): Add CC register.
3920 * config/s390/fixdfdi.h: Add missing copyright statement.
3921 Fix type conflicts on 64-bit. Add missing SFmode routines.
3923 * s390.c, s390.h, s390.md, linux.h, linux64.h: Fixed incorrect
3926 2001-08-11 Richard Henderson <rth@redhat.com>
3928 * rtl.h (REG_EH_RETHROW): Remove.
3929 * rtl.c (reg_note_name): Update.
3930 * combine.c (distribute_notes): Don't check for it.
3932 2001-08-11 Richard Henderson <rth@redhat.com>
3934 * combine.c (distribute_notes): Place REG_SETJMP.
3936 2001-08-11 Richard Henderson <rth@redhat.com>
3938 * doc/extend.texi (Arrays and pointers implementation): Discourage
3939 relying on sign-extension of pointers.
3941 2001-08-11 H.J. Lu <hjl@gnu.org>
3943 * config/mips/linux.h (EXTRA_SECTIONS): Remove in_ctors and
3945 (EXTRA_SECTION_FUNCTIONS): Remove DTORS_SECTION_ASM_OP and
3946 RDATA_SECTION_ASM_OP.
3948 2001-08-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3950 * doc/install.texi (Specific, c4x): Fix cross-reference to the
3951 main manual to work both for info and HTML versions.
3953 2001-08-11 Neil Booth <neil@daikokuya.demon.co.uk>
3954 Matt Kraai <kraai@alumni.carnegiemellon.edu>
3956 * cpphash.c (_cpp_destroy_hashtable): Use ht_destroy.
3957 * cpphash.h (CPP_IN_SYSTEM_HEADER): Fix.
3958 (struct cpp_pool): New member first.
3959 * cppinit.c (append_include_chain): Plug memory leaks.
3960 * cpplib.c (cpp_register_pragma, cpp_register_pragma_space):
3961 Allocate pragma structures from the (aligned) macro pool to
3962 avoid leaking memory.
3963 * cpplex.c (_cpp_init_pool, _cpp_free_pool): Use pool->first
3964 so we don't leak memory.
3965 * hashtable.c (ht_destroy): New.
3966 * hashtable.h (ht_destroy): New.
3968 2001-08-11 Neil Booth <neil@daikokuya.demon.co.uk>
3969 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3971 * c-lex.c (map): Make const.
3972 (cb_file_change): Update for callback passing a line map.
3973 Don't assume we have a previous map. Remove sanity check
3974 about popping too many files.
3975 * cpperror.c (print_location): Make map const.
3976 * cppfiles.c (stack_include_file): Update; line maps now hold sysp.
3977 (cpp_make_system_header): Similarly.
3978 (search_from): Similarly.
3979 (_cpp_execute_include): Don't remember where we came from.
3980 * cpphash.h (struct cpp_buffer): Remove return_to_line, sysp.
3981 (struct cpp_reader): Make map const.
3982 (CPP_IN_SYSTEM_HEADER, _cpp_do_file_change): Update.
3983 * cpplib.c (do_line): Update; line maps now hold sysp.
3984 (cpp_push_buffer): Similarly.
3985 (_cpp_do_file_change): Similarly; callback with map instead.
3986 (cpp_get_line_maps): Constify return value.
3987 (_cpp_pop_buffer): Update.
3988 * cpplib.h (struct cpp_file_change): Remove.
3989 (struct cpp_callbacks): Update.
3990 (cpp_get_line_maps): Constify return value.
3991 * cppmacro.c (_cpp_create_definition): Update.
3992 * cppmain.c (struct printer): Constify map.
3993 (maybe_print_line): Similarly.
3994 (print_line): Similarly. Deduce flags 1 and 2 here.
3995 (cb_file_change): Update.
3996 * line-map.c (free_line_maps): Warn regardless.
3997 (add_line_map): Return pointer to const. When passed NULL to_file
3998 with LC_LEAVE, use the obvious values for the return point so the
3999 caller doesn't have to figure them out.
4000 (lookup_line): Return pointer to const.
4001 (print_containing_files): Take pointer to const.
4002 * line-map.h (struct line_map): New members reason, sysp.
4003 (add_line_map): Return pointer to const.
4004 (lookup_line): Similarly.
4005 (print_containing_files): Take pointer to const.
4007 2001-08-10 Roman Zippel <zippel@linux-m68k.org>
4008 Richard Henderson <rth@redhat.com>
4010 * regmove.c (regmove_optimize): Avoid setting a register twice in
4013 2001-08-10 Richard Henderson <rth@redhat.com>
4015 * doc/extend.texi (Arrays and pointers implementation): Document
4016 behavior of pointer/integer conversion.
4018 2001-08-10 Ulrich Weigand <uweigand@de.ibm.com>
4020 * glimits.h (__LONG_MAX__): Add s390x as 64-bit architecture.
4022 2001-08-10 Richard Henderson <rth@redhat.com>
4024 * doc/extend.texi (C Implementation): New chapter.
4025 * doc/gcc.texi (Top): Link it in.
4027 2001-08-10 Andrew Cagney <ac131313@redhat.com>
4029 * doc/install.texi (Specific): Fix CVS merge botch.
4031 2001-08-10 Richard Henderson <rth@redhat.com>
4033 * config/m68k/m68k.c (m68k_svr3_asm_out_constructor): Protect with
4034 ifdef CTOR_LIST_BEGIN instead of INIT_SECTION_ASM_OP.
4036 2001-08-10 Zack Weinberg <zackw@stanford.edu>
4038 * calls.c, function.c: Always define PREFERRED_STACK_BOUNDARY
4039 if not already defined. Remove all #ifdefs on STACK_BOUNDARY;
4040 this macro is now required.
4042 * cselib.c (cselib_process_insn), flow.c (propagate_block),
4043 loop.c (find_and_verify_loops), reload.c (reload): Check
4044 for rtx code of CALL_INSN, not CALL, when deciding if we
4045 need to check for REG_SETJMP note.
4047 * gcse.c (compute_hash_table, compute_store_table): Update
4048 the #ifdef NON_SAVING_SETJMP code to the new REG_SETJMP
4051 * config/avr/avr.c: Fix typo.
4052 * config/convex/convex.c (expand_movstr): Use adjust_address.
4053 * config/dsp16xx/dsp16xx.c: Define dsp16xx_compare_gen
4055 * config/dsp16xx/dsp16xx.md: Correct calls to replace_equiv_address.
4056 * config/elxsi/elxsi.c: Include tree.h, expr.h, regs.h, and flags.h.
4058 * config/elxsi/elxsi.h: Don't define Rmode (typo for Pmode?)
4059 Do define STACK_BOUNDARY.
4060 * config/i370/i370.c: Include expr.h.
4061 * config/i860/sysv3.h, config/i860/sysv4.h, config/m32r/m32r.h,
4062 config/pa/som.h, config/v850/v850.h: Take in_ctors and
4063 in_dtors out of EXTRA_SECTIONS; take CTORS_SECTION_FUNCTION
4064 and DTORS_SECTION_FUNCTION out of EXTRA_SECTION_FUNCTIONS.
4065 * config/m88k/m88k.c: Include c-tree.h after expr.h.
4066 * config/pdp11/pdp11.c: Include expr.h and toplev.h.
4067 * config/romp/romp.c: Include expr.h after tree.h.
4069 (output_fpop): Use xmalloc, not oballoc.
4070 * config/we32k/we32k.c: Include expr.h.
4072 2001-08-10 Kazu Hirata <kazu@hxi.com>
4074 * config/h8300/h8300.h: Fix formatting.
4076 2001-08-08 Jason Merrill <jason_merrill@redhat.com>
4078 * c-common.h (RETURN_NULLIFIED_P): Lose.
4079 * c-semantics.c (genrtl_return_stmt): Don't check it.
4081 2001-08-10 Richard Sandiford <rsandifo@redhat.com>
4083 * config/mips/mips.c (mips_add_large_offset_to_sp): New function.
4084 (mips_annotate_frame_insn): New function.
4085 (mips_emit_frame_related_store): New function.
4086 (save_restore_insns): Don't mark instructions that set up the base
4087 registers as frame-related. Add REG_FRAME_RELATED_EXPR notes to
4088 the store instructions instead.
4089 (mips_expand_prologue): If the stack size is moved into a temporary
4090 register, do not mark that move as frame-related. Add a
4091 REG_FRAME_RELATED_EXPR note to the stack adjustment instruction.
4093 2001-08-10 Richard Sandiford <rsandifo@redhat.com>
4095 * config/mips/mips.c (save_restore_insns): Don't mark the RA's
4096 stack slot as unchanging if current_function_calls_eh_return.
4098 2001-08-10 Richard Sandiford <rsandifo@redhat.com>
4100 * config/mips/mips.md (reload_incc): Use HARD_REGNO_NREGS to
4101 access the second half of the TFmode scratch operand.
4103 2001-08-10 Anthony Green <green@redhat.com>
4105 * java/class.c (emit_register_classes): Conditionalize code on
4108 2001-08-10 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4110 * doc/install.texi (Specific, avr): Fix cross-reference to the
4111 main manual to work both for info and HTML versions.
4113 2001-08-09 John David Anglin <dave@hiauly1.hia.nrc.ca>
4115 * stmt.c (expand_null_return_1): Remove code to generate simple returns
4116 and "use_goto" argument.
4117 (expand_null_return, expand_value_return): Update all callers.
4118 * function.c (expand_function_end): Remove code to generate simple
4120 * config/vax/vax.md (epilogue): New expander for function return.
4121 * doc/md.texi (epilogue): Remove "if defined".
4123 2001-08-09 Zack Weinberg <zackw@stanford.edu>
4125 * Makefile.in: Partially revert my previous change:
4126 put -DGENERATOR_FILE back in HOST_CFLAGS, take it out
4127 of the hashtab.o and safe-ctype.o rules.
4129 2001-08-09 Richard Henderson <rth@redhat.com>
4131 * Makefile.in (MAYBE_USE_COLLECT2): Remove; purge all uses.
4132 (USE_COLLECT2): Remove duplicate definition.
4133 * config.gcc (a29k-udi, a29k-wrs-vxworks) [tm_file]: Remove a29k/udi.h.
4134 (use_collect2): Remove dead code.
4135 * configure.in (use_collect2): Remove will_use_collect2 and
4136 maybe_use_collect2; add USE_COLLECT2 to host_xm_defines and xm_defines.
4137 * configure: Rebuild.
4139 * target.h (targetm.asm_out.constructor): New.
4140 (targetm.asm_out.destructor, targetm.have_ctors_dtors): New.
4141 * target-def.h (TARGET_ASM_CONSTRUCTOR): New.
4142 (TARGET_ASM_DESTRUCTOR, TARGET_HAVE_CTORS_DTORS): New.
4143 * varasm.c (in_ctors, in_dtors): New.
4144 (assemble_constructor, assemble_destructor): Remove.
4145 (default_stabs_asm_out_destructor): New.
4146 (default_named_section_asm_out_destructor): New.
4147 (dtors_section, default_dtor_section_asm_out_destructor): New.
4148 (default_stabs_asm_out_constructor): New.
4149 (default_named_section_asm_out_constructor): New.
4150 (ctors_section, default_ctor_section_asm_out_constructor): New.
4151 * output.h: Update declarations.
4152 * c-decl.c (c_expand_body): Use target hooks instead of
4153 assemble_constructor and assemble_destructor.
4154 * profile.c (output_func_start_profiler): Likewise.
4155 * objc/objc-act.c (finish_objc): Likewise.
4156 (build_module_descriptor): Tidy. Set TREE_PUBLIC properly
4157 for the constructor.
4158 * objc/Make-lang.in (objc-act.o): Depend on TARGET_H.
4160 * crtstuff.c (CTORS_SECTION_ASM_OP): Don't define.
4161 (DTORS_SECTION_ASM_OP): Likewise.
4162 (__CTOR_LIST__): Use attribute section when possible.
4163 (__DTOR_LIST__, __CTOR_END__, __DTOR_END__): Likewise.
4165 * defaults.h (EH_FRAME_SECTION_NAME): Don't depend on
4166 ASM_OUTPUT_CONSTRUCTOR.
4168 * config/darwin.c (machopic_asm_out_constructor): New.
4169 (machopic_asm_out_destructor): New.
4170 * config/darwin-protos.h: Update declarations.
4171 * config/darwin.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
4172 (ASM_OUTPUT_DESTRUCTOR): Remove.
4173 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
4174 * config/nextstep.c (nextstep_asm_out_constructor): New.
4175 (nextstep_asm_out_destructor): New.
4176 * config/nextstep.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
4177 (ASM_OUTPUT_DESTRUCTOR): Remove.
4178 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
4179 * config/nextstep21.h: Undef TARGET_ASM_*STRUCTOR instead of
4180 ASM_OUTPUT_*STRUCTOR.
4181 * config/i386/aix386ng.h: Likewise.
4183 * config/elfos.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP): Remove.
4184 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): No ctors/dtors.
4185 (CTORS_SECTION_FUNCTION, DTORS_SECTION_FUNCTION): Remove.
4186 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
4187 * config/lynx.h: Likewise.
4188 * config/netware.h: Likewise.
4189 * config/psos.h: Likewise.
4190 * config/alpha/alpha-interix.h: Likewise.
4191 * config/alpha/elf.h: Likewise.
4192 * config/arc/arc.h: Likewise.
4193 * config/arm/aof.h: Likewise.
4194 * config/arm/coff.h: Likewise.
4195 * config/arm/elf.h: Likewise.
4196 * config/c4x/c4x.h: Likewise.
4197 * config/h8300/h8300.h: Likewise.
4198 * config/i386/cygwin.h: Likewise.
4199 * config/i386/djgpp.h: Likewise.
4200 * config/i386/i386-coff.h: Likewise.
4201 * config/i386/i386-interix.h: Likewise.
4202 * config/i386/sco5.h: Likewise.
4203 * config/i386/vsta.h: Likewise.
4204 * config/i386/win32.h: Likewise.
4205 * config/i960/i960-coff.h: Likewise.
4206 * config/ia64/sysv4.h: Likewise.
4207 * config/m68hc11/m68hc11.h: Likewise.
4208 * config/m68k/coff.h: Likewise.
4209 * config/m68k/mot3300.h: Likewise.
4210 * config/m88k/m88k.h: Likewise.
4211 * config/mcore/mcore-pe.h: Likewise.
4212 * config/mcore/mcore.h: Likewise.
4213 * config/mips/elf.h: Likewise.
4214 * config/mips/elf64.h: Likewise.
4215 * config/mips/iris6.h: Likewise.
4216 * config/pa/pa64-hpux.h: Likewise.
4217 * config/rs6000/sysv4.h: Likewise.
4218 * config/sh/sh.h: Likewise.
4219 * config/sparc/litecoff.h: Likewise.
4221 * config/svr3.h (CTORS_SECTION_ASM_OP): Remove.
4222 (CTORS_SECTION_FUNCTION, DTORS_SECTION_FUNCTION): Remove.
4223 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
4224 * config/1750a/1750a.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
4225 (ASM_OUTPUT_DESTRUCTOR): Remove.
4226 * config/a29k/a29k.c: Move include of tree.h.
4227 * config/a29k/udi.h: Delete file.
4228 * config/alpha/alpha.c (vms_asm_out_constructor): New.
4229 (vms_asm_out_destructor): New.
4230 * config/alpha/vms.h (EXTRA_SECTIONS): No ctors/dtors.
4231 (EXTRA_SECTION_FUNCTIONS): Likewise.
4232 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
4233 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
4234 * config/c4x/c4x.c: Move include of tree.h.
4235 * config/clipper/clipper.c (clix_asm_out_constructor): New.
4236 (clix_asm_out_destructor): New.
4237 * config/clipper/clix.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
4238 (ASM_OUTPUT_DESTRUCTOR): Remove.
4239 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
4240 * config/i386/aix386.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
4241 (TARGET_ASM_CONSTRUCTOR): New.
4242 * config/i386/i386.c (ix86_svr3_asm_out_constructor): New.
4243 (sco_asm_out_constructor): New.
4244 * config/i386/sco5.h (TARGET_ASM_CONSTRUCTOR): New.
4245 * config/i386/svr3gas.h: Remove stack grows up code.
4246 Remove code duplicated from i386/sysv3.h.
4247 (TARGET_ASM_CONSTRUCTOR): New.
4248 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
4249 (DTORS_SECTION_FUNCTION, CTORS_SECTION_FUNCTION): Remove.
4250 * config/i386/sysv3.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
4251 (TARGET_ASM_CONSTRUCTOR): New.
4252 * config/m68hc11/m68hc11.c (m68hc11_asm_out_constructor): New.
4253 (m68hc11_asm_out_destructor): New.
4254 * config/m68hc11/m68hc11.h (TARGET_ASM_CONSTRUCTOR): New.
4255 (TARGET_ASM_DESTRUCTOR): New.
4256 * config/m68k/auxgas.h: Don't undef ASM_OUTPUT_*STRUCTOR.
4257 * config/m68k/dpx2.h: Properly undef all the bits inherited from
4258 config/svr3.h pertaining to section manipulation.
4259 * config/m68k/dpx2g.h: Remove #if 0 code.
4260 * config/m68k/m68k.c (m68k_svr3_asm_out_constructor): New.
4261 * config/m68k/tower-as.h (ASM_OUTPUT_SOURCE_LINE): Fix typo.
4262 (ASM_OUTPUT_CONSTRUCTOR): Remove.
4263 (TARGET_ASM_CONSTRUCTOR): New.
4264 * config/m88k/m88k.c (m88k_layout_frame): Don't use assign_stack_local.
4265 (m88k_svr3_asm_out_constructor): New.
4266 (m88k_svr3_asm_out_destructor): New.
4267 * config/m88k/sysv3.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
4268 (ASM_OUTPUT_DESTRUCTOR): Remove.
4269 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
4270 * config/mips/mips.h: Remove #if 0 ASM_OUTPUT_*STRUCTOR code.
4271 * config/rs6000/aix.h: Likewise.
4272 * config/mips/rtems64.h: Don't undef removed constructor related bits.
4273 * config/mips/vxworks.h: Likewise.
4274 * config/rs6000/lynx.h: Likewise.
4275 * config/sh/elf.h: Likewise.
4276 * config/rs6000/sysv4.h (CTORS_SECTION_ASM_OP): New.
4277 (DTORS_SECTION_ASM_OP): New.
4278 * config/sparc/linux64.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
4279 (ASM_OUTPUT_DESTRUCTOR): Remove.
4280 * config/sparc/sol2-sld-64.h: Likewise.
4281 * config/vax/vax.c (vms_asm_out_constructor): New.
4282 (vms_asm_out_destructor): New.
4283 * config/vax/vms.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
4284 (ASM_OUTPUT_DESTRUCTOR): Remove.
4285 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
4287 * doc/tm.texi (@node Initialization): Update.
4289 2001-08-09 Richard Henderson <rth@redhat.com>
4291 * config/alpha/crtbegin.asm (__JCR_LIST__): New.
4292 (__do_global_dtors_aux): Use gp-relative static data to avoid
4293 one dynamic relocation.
4294 (__do_frame_setup): Register Java classes.
4295 * config/alpha/crtend.asm (__JCR_END__): New.
4297 2001-08-09 Zack Weinberg <zackw@stanford.edu>
4299 * Makefile.in (HOST_CFLAGS): Take out -DGENERATOR_FILE.
4300 (CONFIG_H, TCONFIG_H, TM_P_H): Update.
4301 (GEN, STAGESTUFF): Add new files.
4302 (insn-constants.h, s-constants, tm-preds.h, s-preds,
4303 genconstants, genpreds, genconstants.o, genpreds.o): New rules.
4304 (hashtab.o, safe-ctype.o): Add -DGENERATOR_FILE.
4305 * mkconfig.sh: Include tm-preds.h in tm_p.h; insn-constants.h
4306 as well as insn-codes.h and insn-flags.h in config.h; and no
4307 extra headers in tconfig.h and hconfig.h.
4309 * gencodes.c: Eliminate code to generate predicate declarations
4310 or #defines for md-file constants.
4311 * genconstants.c, genpreds.c: New files.
4313 * i386.md: Re-order guard expressions such that TARGET_64BIT
4314 comes first, when this permits better optimization. Add
4315 TARGET_64BIT to more x86-64 patterns. Add comment explaining
4316 why this is desirable.
4318 2001-08-09 Jakub Jelinek <jakub@redhat.com>
4320 * config/ia64/fde-glibc.c: Require glibc 2.2.4+ headers.
4321 (find_fde_for_dso): Remove.
4322 (_Unwind_IteratePhdrCallback): New.
4323 (_Unwind_FindTableEntry): Use dl_iterate_phdr.
4324 * config/ia64/crtbegin.asm (__ia64_app_header): Remove.
4326 Thu Aug 9 11:30:20 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4328 * expr.c (emit_single_push_insn): Only exists ifdef PUSH_ROUNDING.
4329 (move_by_pieces_1): If would call it, abort if no PUSH_ROUNDING.
4331 2001-08-09 Graham Stott <grahams@redhat.com>
4333 * sched-vis.c (MAX_VISUAL_NO_UNIT): Define.
4334 (vis_no_unit): Use it.
4335 (visualize_no_unit): Add the insn only if room exists.
4337 2001-08-09 Graham Stott <grahams@redhat.com>
4339 * predict.c (estimate_probability): Replace magic numbers with
4340 appropriate enumeration.
4342 2001-08-09 Graham Stott <grahams@redhat.com>
4344 * cppexp.c (EXTRACT_PRIO): Uppercase and parenthsize macro
4346 (EXTRACT_FLAGS): Likewise.
4348 2001-08-09 Aldy Hernandez <aldyh@redhat.com>
4350 * config/mips/mips.c (mips_legitimate_address_p): Check for
4351 CONST_INT in last patch.
4353 2001-08-08 Anthony Green <green@redhat.com>
4355 * java/class.c (emit_register_classes): Use assemble_jcr if
4356 possible. Keep the original mechanism as a fallback.
4357 * defaults.h (JCR_SECTION_NAME): Define if we have named section
4358 and weak symbol support.
4359 * crtstuff.c (__JCR_LIST__): Define.
4360 (__JCR_END__): Define.
4361 (_Jv_RegiserClasses): Define weak symbol if possible.
4362 (__do_global_ctors_aux): Register classes for ELF targets with
4363 weak symbol support.
4365 2001-08-08 Kazu Hirata <kazu@hxi.com>
4367 * dbxout.c: Fix comment formatting.
4368 * dependence.c: Likewise.
4370 * diagnostic.c: Likewise.
4371 * dominance.c: Likewise.
4372 * doprint.c: Likewise.
4373 * dwarf2out.c: Likewise.
4374 * dwarfout.c: Likewise.
4375 * emit-rtl.c: Likewise.
4376 * except.c: Likewise.
4377 * explow.c: Likewise.
4378 * expmed.c: Likewise.
4381 * fold-const.c: Likewise.
4382 * function.c: Likewise.
4384 2001-08-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4386 * global.c (retry_global_alloc): Avoid shadowing allocno.
4388 2001-08-08 Mark Mitchell <mark@codesourcery.com>
4390 * except.c (remove_fixup_regions): Fix typo.
4392 2001-08-08 Jan van Male <jan.vanmale@fenk.wau.nl>
4394 * emit-rtl.c (adjust_address, adjust_address_nv): Cast offset to
4395 unsigned HOST_WIDE_INT to avoid warning.
4396 * final.c (final): Cast INSN_UID to unsigned to avoid warning.
4397 * flow.c (set_block_for_new_insns): Likewise.
4399 Wed Aug 8 21:08:14 CEST 2001 Jan Hubicka <jh@suse.cz>
4401 * sibcall.c (return_value_pseudo): New static variable.
4402 (skip_copy_to_return_value): Handle return_value_pseudo.
4403 (call_ends_block_p): Ensure that return_value_pseudo is set.
4404 (optimize_sibling_and_tail_recursive_call): Discover the
4405 load of pseudo return value in alternate exit block.
4407 Wed Aug 8 21:06:43 CEST 2001 Jan Hubicka <jh@suse.cz>
4409 * calls.c (ECF_ALWAYS_RETURN): New constant.
4410 (emit_call_1): Add REG_ALWAYS_RETURN note if needed.
4411 (expand_call): Use LCF_ALWAYS_RETURN for __bb_fork_func.
4412 (emit_library_call_value_1): Handle LCT_ALWAYS_RETRUN.
4413 * flow.c (need_fake_edge_p): Handle REG_ALWAYS_RETURN.
4414 * rtl.c (reg_note_name): New name.
4415 * rtl.h (enum reg_note): Add REG_ALWAYS_RETURN.
4417 2001-08-07 Aldy Hernandez <aldyh@redhat.com>
4419 * config/mips/mips.c (mips_legitimate_address_p): Limit "la" addresses.
4421 2001-08-08 Jason Merrill <jason_merrill@redhat.com>
4423 * alias.c (get_alias_set): Return a previously calculated
4424 alias set for a VAR_DECL.
4425 * function.c (gen_mem_addressof): Calculate the alias set before
4428 Wed Aug 8 18:44:37 CEST 2001 Jan Hubicka <jh@suse.cz>
4430 * predict.def: Set hitrates according our experimental run.
4432 Wed Aug 8 18:01:58 CEST 2001 Jan Hubicka <jh@suse.cz>
4434 * i386.h (HARD_REGNO_RENAME_OK): New macro.
4436 2001-08-08 H.J. Lu <hjl@gnu.org>
4438 * config/mips/mips.c (mips_unique_section): New. Copied from
4441 * config/mips/mips-protos.h (mips_unique_section): New
4444 * config/mips/elf.h (UNIQUE_SECTION): Use mips_unique_section.
4446 * config/mips/little.h: New. Generic little endian mips
4447 targets. Only mips*-*-linux* is converted to use it so far.
4449 * config/mips/linux.h: Include "gofast.h" and "mips/mips.h".
4450 (WCHAR_TYPE): Defined
4451 (WCHAR_TYPE_SIZE): Likewise.
4452 (INIT_SUBTARGET_OPTABS): Likewise.
4453 (BSS_SECTION_ASM_OP): Likewise.
4454 (SBSS_SECTION_ASM_OP): Likewise.
4455 (ASM_OUTPUT_ALIGNED_BSS): Likewise.
4456 (ASM_DECLARE_OBJECT_NAME): Likewise.
4457 (UNIQUE_SECTION): Likewise.
4458 (EXTRA_SECTIONS): Likewise.
4459 (ASM_OUTPUT_CONSTRUCTOR): Likewise.
4460 (ASM_OUTPUT_DESTRUCTOR): Likewise.
4461 (ASM_OUTPUT_DEF): Likewise.
4462 (HANDLE_SYSV_PRAGMA): Removed.
4463 (NO_IMPLICIT_EXTERN_C): Likewise.
4464 (TARGET_MEM_FUNCTIONS): Likewise.
4465 (STARTFILE_SPEC): Likewise.
4466 (ENDFILE_SPEC): Likewise.
4467 (LIB_SPEC): Likewise.
4468 (INVOKE__main): Likewise.
4469 (CTOR_LIST_BEGIN): Likewise.
4470 (CTOR_LIST_END): Likewise.
4471 (DTOR_LIST_BEGIN): Likewise.
4472 (DTOR_LIST_END): Likewise.
4473 (SET_ASM_OP): Likewise.
4474 (ASM_OUTPUT_SOURCE_LINE): Likewise.
4475 (ASM_OUTPUT_DEF): Likewise.
4476 (ASM_OUTPUT_IDENT): Likewise.
4478 * config/mips/mips.h (ASM_SPEC): Undefine before define.
4479 (CPLUSPLUS_CPP_SPEC): Likewise.
4480 (ASM_APP_ON) Redefine only if not defined.
4481 (ASM_APP_OFF): Likewise.
4482 (ASM_OUTPUT_SOURCE_LINE): Likewise.
4483 (ASM_OUTPUT_IDENT): Likewise.
4485 * config.gcc: Update tm_file for Linux/mips.
4487 2001-08-08 Bernd Schmidt <bernds@redhat.com>
4489 * cselib.c (cselib_record_sets): If insn is predicated, turn
4490 sources into IF_THEN_ELSEs.
4492 * config/ia64/ia64.md (cond_opsi2_internal, cond_opsi2_internal_b):
4493 Turn into define_insn_and_split.
4495 * sched-deps.c: Include "cselib.h".
4496 (add_insn_mem_dependence, sched_analyze_1, sched_analyze_2):
4497 Use cselib to turn memory addresses into VALUEs.
4498 (sched_analyze): Call cselib_init/cselib_finish if necessary.
4499 * sched-int.h (struct sched_info): New member USE_CSELIB.
4500 * sched-ebb.c (ebb_sched_info): Initialize it.
4501 * sched-rgn.c (rgn_sched_info): Likewise.
4502 * Makefile.in (sched-deps.o): Update dependencies.
4504 * cselib.h (cselib_subst_to_values): Declare.
4505 * cselib.c (cselib_subst_to_values): No longer static. Allow MEMs
4506 that have no value and autoincs to be handled by generating a new
4509 2001-08-08 Graham Stott <grahams@redhat.com>
4511 * final.c (shorten_branches): Update the INSN_ADDRESSES of insns
4512 within fixed length SEQUENCE.
4514 2001-08-08 Graham Stott <grahams@redhat.com>
4516 * diagnostic.h (diagnostic_format_decoder): Parenthesize macro parameter.
4517 (diagnostic_prefixing_rule): Likewise.
4518 (diagnostic_line_cutoff): Likewise.
4519 (diagnostic_kind_count): Likewise.
4521 2001-08-08 Graham Stott <grahams@redhat.com>
4523 * alias.c (find_base_decl): Delete redundent assignment.
4525 2001-08-08 Graham Stott <grahams@redhat.com>
4527 * dependence.c (INDEX_LIMIT_CHECK): Uppercase macro parameter.
4528 (abs): Uppercase and paranthesize macro parameter.
4529 (MEM_DEPENDENCY): Add whitespace.
4531 2001-08-08 Graham Stott <grahams@redhat.com>
4533 * config/mips/mips.c (mips_legitimate_address_p): Fix enable checking
4534 failure check for CONST_INT
4536 2001-08-08 Graham Stott <grahams@redhat.com>
4538 * flow.c (back_edge_of_syntactic_loop_p): Add whitespace.
4539 (libcall_dead_p): Likewise.
4541 (mark_used_regs): Constify fmt.
4542 (find_use_as_address): Likewise.
4544 2001-08-08 Graham Stott <grahams@redhat.com>
4546 * c-typeck.c (RESTORE_SPELLING_DEPTH): Uppercase and parenthesize macro
4549 2001-08-08 Graham Stott <grahams@redhat.com>
4551 * combine.c (combine_simplify_rtx): Update comment and
4552 remove erroneous test.
4554 2001-08-07 Neil Booth <neil@daikokuya.demon.co.uk>
4556 * cppinit.c (cpp_finish): Pop the final buffer without comment.
4557 * cpplex.c (_cpp_lex_token): Don't pop the final buffer; and
4558 take care to avoid multiple no-newline at EOF warnings in that
4561 Tue Aug 7 22:18:06 CEST 2001 Jan Hubicka <jh@suse.cz>
4563 * calls.c (expand_call): Do not emit INSN_SETJMP note.
4564 (emit_library_call_value_1): Likewise.
4565 (emit_call_1): Emit REG_SETJMP note.
4566 * cse.c (cse_end_of_basic_block): Use REG_SETJMP instead
4568 * cselib.c (cselib_process_insn): Likewise.
4569 * flow.c (propagate_block): Likewise.
4570 * loop.c (find_and_verify_loops): Likewise.
4571 * reload.c (find_equiv_regs): Likewise.
4572 * reload1.c (reload): Likewise.
4573 * resource.c (mark_referenced_resources,
4574 mark_set_resources): Likewise.
4575 * sched-deps (sched_analyze_insn, sched_analyze): Likewise.
4576 * final.c (final_scan_insn): Remove NOTE_INSN_SETJMP.
4577 * haifa-sched.c (unlink_other_notes): Likewise.
4578 (reemit_notes): Likewise.
4579 * sched-ebb.c (sched_ebb): Likewise.
4580 * sched-rgc.c (sched_region): Likewise.
4581 * rtl.c (note_insn_name): Likewise.
4582 (reg_note_name): Add REG_SETJMP
4583 * rtl.h (reg_note): Add REG_SETJMP.
4584 (insn_note): Remove NOTE_INSN_SETJMP.
4586 * profile.c (branch_prob): Add fake edges for setjmp.
4588 2001-08-07 Daniel Jacobowitz <drow@mvista.com>
4590 * config.gcc: Quote target_cpu_default2 correctly for
4591 powerpc*-*-* targets.
4593 2001-08-07 Neil Booth <neil@daikokuya.demon.co.uk>
4595 * cpplib.h, line-map.h: Update comments.
4596 * cppmain.c (printer_init): Move inline.
4597 (maybe_print_line, print_line): Take a map pointer.
4598 (cb_ident, cb_define, cb_undef, cb_include, cb_def_pragma): Update.
4599 (cb_file_change): Don't use prior value of print.map.
4601 2001-08-07 David Edelsohn <edelsohn@gnu.org>
4603 * doc/install.texi: Document fine-grained multilib configuration.
4605 Tue Aug 7 16:52:54 CEST 2001 Jan Hubicka <jh@suse.cz>
4607 * rtlanal.c (find_first_parameter_load): Call note_stores
4608 only on the instructions.
4610 Tue Aug 7 14:56:16 CEST 2001 Jan Hubicka <jh@suse.cz>
4612 * alias.c (nonlocal_mentioned_p):
4613 Rename CONST_CALL_P to CONST_OR_PURE_CALL_P
4614 * calls.c (emit_call_1): Likewise.
4615 * cse.c (cse_insn, invalidate_skipped_block): Likewise.
4616 * cselib.c (cselib_process_insn): Likewise.
4617 * df.c (df_insns_modify): Likewise.
4618 * flow.c (need_fake_edge_p): Likewise.
4619 (propagate_one_insn): Likewise.
4620 * haifa-sched.c (reemit_notes): Likewise.
4621 * integrate.c (copy_insn_list): Likewise.
4622 * jump.c (delete_prior_computation): Likewise.
4623 * local-alloc.c (validate_equiv_mem): Likewise.
4624 * loop.c (scan_loop): Likewise.
4625 * predict.c (estimate_probability): Likewise.
4626 * reload.c (reload): Likewise.
4627 * sched-deps (sched_analyze): Likewise.
4628 * rtl.h (CONST_CALL_P): rename to CONST_OR_PURE_CALL_P.
4629 * gcse.c (compute_hash_table): Likewise.
4630 (mark_call): Likewise.
4631 (store_killed_in_insn): Likewise.
4633 2001-08-07 Jason Merrill <jason_merrill@redhat.com>
4635 * c-semantics.c (make_rtl_for_local_static): Use DECL_RTL_SET_P.
4637 2001-08-06 Richard Henderson <rth@redhat.com>
4639 * varasm.c (assemble_gc_entry): Remove.
4640 * output.h: Likewise.
4642 2001-08-06 Richard Henderson <rth@redhat.com>
4644 * varasm.c (assemble_constructor): Take a symbol_ref and a
4645 priority instead of a bare string. Move priority handling
4646 here from cp/decl2.c.
4647 * output.h: Update decls.
4649 * c-decl.c (c_expand_body): Update calls to assemble_constructor
4650 and assemble_destructor.
4651 * profile.c (output_func_start_profiler): Likewise.
4652 * objc/objc-act.c (finish_objc): Likewise.
4653 (build_module_descriptor): Return the symbol not the symbol name.
4655 2001-08-06 David Edelsohn <edelsohn@gnu.org>
4657 * config/rs6000/darwin.h (DOUBLE_INT_ASM_OP): Add whitespace.
4658 * config/rs6000/linux64.h (RS6000_MCOUNT): Define.
4659 ({SAVE,RESTORE}_FP_{PREFFIX,SUFFIX}): Define.
4660 * config/rs6000/rs6000.h (ASM_OUTPUT_DOUBLE_INT): Remove whitespace.
4661 * config/rs6000/sysv4.h (DOUBLE_INT_ASM_OP): Add whitespace.
4662 * config/rs6000/xcoff.h (DOUBLE_INT_ASM_OP): Add whitespace.
4664 2001-08-06 Neil Booth <neil@daikokuya.demon.co.uk>
4666 * cpperror.c (print_containing_files): Moved to line-map.c.
4667 (print_location): line-map.c handles re-listing or otherwise.
4668 * cpphash.h (struct lexer_state): Remove next_bol.
4669 (struct cpp_buffer): Remove include_stack_listed.
4670 * cpplib.c (do_line, cpp_push_buffer, _cpp_pop_buffer):
4671 Remove faked buffer handling.
4672 (_cpp_do_file_change): Tweak.
4673 * cpplib.h (enum cpp_buffer_type): Remove BUF_FAKE.
4674 * cppmain.c (struct printer): Remove filename.
4675 (print_line, cb_file_change): Update accordingly.
4676 * line-map.c: Include intl.h.
4677 (init_line_maps): Initialize last_listed.
4678 (free_line_maps): Sanity check, warn if ENABLED_CHECKING.
4679 (add_line_map): Sanity check inputs, warn if ENABLED_CHECKING.
4680 (print_containing_files): New.
4681 * line-map.h (struct line_maps): New member last_listed.
4682 (print_containing_files, INCLUDED_FROM): New.
4683 * Makefile.in: Update.
4684 * po/POTFILES.in: Add line-map.c.
4686 2001-08-06 Richard Henderson <rth@redhat.com>
4688 * except.c (convert_from_eh_region_ranges_1): Never mark
4689 USE or CLOBBER insns as throwing.
4691 * expr.c (store_constructor): Don't clobber memory targets.
4693 2001-08-06 Andreas Jaeger <aj@suse.de>
4695 * profile.c (branch_prob): Remove unused variable insn.
4697 * Makefile.in (local-alloc.o): Add dependency on except.h.
4699 * local-alloc.c: Include except.h for can_throw_internal prototype.
4701 2001-08-06 Richard Henderson <rth@redhat.com>
4703 * config/i386/i386.h (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
4704 * function.c (expand_main_function): Implement it.
4705 * doc/tm.texi: Document it.
4707 2001-08-06 Stan Shebs <shebs@apple.com>
4709 * doc/install.texi: Document powerpc-*-darwin* details.
4711 2001-08-06 Daniel Berlin <dan@cgsoftware.com>
4713 * config/rs6000/aix.h (CPP_CPU_SPEC): Move back to rs6000.h
4714 (ASM_CPU_SPEC): Move back to rs6000.h
4715 #undef CPP_DEFAULT_SPEC and ASM_DEFAULT_SPEC before redefining them.
4717 * config/rs6000/darwin.h (DOUBLE_INT_ASM_OP): New macro.
4719 * config/rs6000/linux.h: Remove vtable thunks stuff we accidently
4722 * config/rs6000/linux64.h: Ditto.
4724 * config/rs6000/rs6000.h: Move CPP_CPU_SPEC and ASM_CPU_SPEC back
4725 to here. Define default ASM_DEFAULT_SPEC and CPP_DEFAULT SPEC to
4728 Remove accidently readded definitions of FUNCTION_PROLOGUE,
4729 FUNCTION_EPILOGUE, ASM_OPEN_PAREN, ASM_CLOSE_PAREN
4731 * config/rs6000/sysv4.h: Move CPP_CPU_SPEC and ASM_CPU_SPEC back
4734 2001-08-05 Richard Henderson <rth@redhat.com>
4736 * local-alloc.c (update_equiv_regs): Do not move insns that
4739 2001-08-05 Jan Hubicka <jh@suse.cz>
4741 * Makefile.in (reload1.o): Add dedendancy on except.h
4742 * basic-block.h (purge_all_dead_edges, purge_dead_edges): Update
4744 * flow.c (purge_dead_edges, purge_all_dead_edges): Return bool
4745 indicating wehther edges has been cleaned up.
4746 * reload1.c: Inlucde except.h
4747 (fixup_abnormal_edges): Accept deleted insns.
4748 * toplev.c (rest_of_compilation): Purge dead edges unconditionally
4751 2001-08-06 Neil Booth <neil@daikokuya.demon.co.uk>
4753 * cpplib.c (do_line): Correct line number after pop_buffer.
4755 2001-08-05 Neil Booth <neil@daikokuya.demon.co.uk>
4757 PR preprocessor/3824
4758 * line-map.c: Update comments.
4759 * line-map.h: Update comments.
4760 * tradcif.y: Don't consider large numbers unsigned.
4762 2001-08-05 Neil Booth <neil@daikokuya.demon.co.uk>
4764 PR preprocessor/3081
4765 * c-lex.c (map): New.
4766 (cb_file_change): Update map and use it.
4767 (cb_def_pragma, cb_define, cb_undef): Use map and line.
4768 (c_lex): Update to use map.
4769 * cpperror.c (print_location): Move to using logical line numbers.
4770 * cppfiles.c (stack_include_file): Update for new _cpp_do_file_change.
4771 (cpp_make_system_header): Similarly.
4772 (_cpp_execute_include): Stop line numbering hacks. Store the
4773 line we will return to.
4774 * cpphash.h (CPP_BUF_LINE): Remove.
4775 (struct cpp_buffer): Remove lineno and pseudo_newlines.
4776 Add map and return_to_line.
4777 (_cpp_do_file_change): Update.
4778 * cppinit.c (cpp_start_read): Update line kludge.
4779 * cpplex.c (handle_newline): Don't update lineno and pseudo_newlines.
4780 (trigraph_ok): Use logical line numbers for diagnostics.
4781 (skip_block_comment): Likewise.
4782 (skip_whitespace): Likewise.
4783 (skip_line_comment): Use pfile->line instead.
4784 (_cpp_lex_token): Update to use logical line numbering exclusively.
4785 Handle BOL locally. Accept new lines in directives, but keep
4786 pfile->line decremented. Diagnostics use logical lines. Update
4788 * cpplib.c (SEEN_EOL): New.
4789 (skip_rest_of_line, check_eol): Use it.
4790 (end_directive): Increase line number when accepting the newline
4791 at the end of a directive.
4792 (run_directive): Simplify.
4793 (do_line): Bad LC_LEAVEs become LC_RENAMEs. Update.
4794 (_cpp_do_file_change): Update to take buffer line number as an
4795 argument, and store the current map in the cpp_reader. Remove
4796 line number kludges.
4797 (_cpp_do__Pragma): Restore output position after a _Pragma.
4798 (cpp_push_buffer): Don't set output line or lineno.
4799 (_cpp_pop_buffer): Transfer more info from a faked buffer.
4800 Remove line kludge. Set output_line.
4801 * cppmacro.c (builtin_macro): Update handling of __LINE__.
4802 (parse_arg): Use logical lines.
4803 (save_lookahead_token): Save EOFs too now.
4804 * cppmain.c (struct printer): Fix comments.
4805 (printer_init): Simplify, let caller do errors.
4806 (scan_translation_unit, check_multiline_token, dump_macro): Update.
4807 (maybe_print_line): Simplify.
4808 (print_line): Don't print a linemarker if -P.
4809 (cb_define, cb_undef, cb_def_pragma, cb_ident, cb_include): Update.
4810 (cb_file_change): Simplify.
4811 * line-map.h (LAST_SOURCE_LINE): Fix.
4812 (CURRENT_LINE_MAP): New.
4814 2001-08-05 Bernd Schmidt <bernds@redhat.com>
4816 * doloop.c (doloop_modify_runtime): Properly compute number of
4817 iterations if loop was unrolled.
4819 * alias.c (rtx_equal_for_memref_p): VALUEs are only identical
4820 if their CSELIB_VAL_PTRs are.
4822 * config/ia64/ia64.c (struct spill_fill_data): New member prev_insn.
4823 (setup_spill_pointers): Initialize it.
4824 (spill_restore_mem): Set it.
4825 (do_spill, do_restore): Use it to add REG_INC note.
4826 * config/ia64/ia64.md (movti_internal): Add REG_INC notes as needed.
4828 * config/ia64/ia64.c (ia64_sched_reorder): Defer scheduling of
4829 asms if other insns are available.
4831 * config/ia64/ia64.c (condop_operator): New predicate.
4832 * config/ia64/ia64.h (PREDICATE_CODES): Add it.
4833 * config/ia64/ia64.md (cond_opsi2_internal and splitters): New
4836 * expr.c (expand_expr, case COND_EXPR): Prefer working with a
4837 temporary register than directly using a MEM.
4839 2001-08-04 Hans-Peter Nilsson <hp@bitrange.com>
4841 * config/sh/sh.c (sh_asm_named_section): Fix typo in align
4842 parameter in last change.
4844 2001-08-04 Zack Weinberg <zackw@panix.com>
4846 * sparc.md: Don't use #if inside C test expression.
4848 2001-08-04 Richard Henderson <rth@redhat.com>
4850 * i386.c: Revert 07-30 ix86_output_main_function_alignment_hack.
4852 2001-08-04 Neil Booth <neil@daikokuya.demon.co.uk>
4854 * cpphash.h (struct cpp_reader): New member directive_line.
4855 * cpplib.h (struct cpp_callbacks): Update prototypes of callbacks.
4856 * cpplib.c (do_define, do_undef, do_ident, do_include_common,
4857 do_pragma): Pass line to callbacks.
4858 (start_directive): Record line of directive.
4859 * cppmain.c (cb_ident, cb_define, cb_undef, cb_def_pragma,
4860 cb_include): Similarly.
4861 * c-lex.c (cb_ident, cb_define, cb_undef, cb_def_pragma):
4864 2001-08-04 Hans-Peter Nilsson <hp@bitrange.com>
4866 * config/d30v/d30v.h: Fix typo in start of UNIQUE_SECTION
4869 Sat Aug 4 13:51:36 CEST 2001 Jan Hubicka <jh@suse.cz>
4871 * loop.c (try_copy_prop); Kill invalidated REG_EQUAL notes.
4873 * reload1.c (fixup_abnormal_edges): New static function.
4876 * flow.c (need_fake_edge_p): New function.
4877 (flow_call_edges_add): Fix handling of noreturn and sibbling calls;
4878 avoid call insn to be very last insn in the insn stream.
4880 * profile.c (branch_prob): Call flow_call_edges_add instead of
4881 doing that by hand; cleanup cfg to re-merge basic blocks once
4884 2001-08-04 Neil Booth <neil@cat.daikokuya.demon.co.uk>
4886 * Makefile.in (CPPLIB_H): New, so that dependencies on cpplib.h
4887 are also on line-map.h.
4888 * cppfiles.c (stack_include_file): Update.
4889 * cpphash.h (struct cpp_buffer): New member return_at_eof.
4890 (_cpp_pop_buffer): New.
4891 * cppinit.c (cpp_destroy, cpp_finish): Update.
4892 (do_includes): Mark each buffer to return at EOF.
4893 * cpplex.c (_cpp_lex_token): Pop buffers at EOF. Continue or
4894 return as requested.
4895 * cpplib.c (run_directive, do_line, cpp_push_buffer): Update.
4896 (cpp_pop_buffer): Rename _cpp_pop_buffer. Stop skipping.
4897 * cpplib.h (cpp_pop_buffer): Remove.
4898 (cpp_scan_buffer_nooutput): Rename cpp_scan_nooutput.
4899 * cppmacro.c (cpp_scan_buffer_nooutput): Similarly. No need to pop
4901 * cppmain.c (scan_buffer): Rename scan_translation_unit. No need
4903 (do_preprocessing): Update.
4904 * fix-header.c (read_scan_file): Update. No need to pop buffers.
4905 * c-parse.in (_yylex): Similarly.
4906 * scan-decls.c (scan_decls): Similarly.
4907 * line-map.h: Update comments.
4909 * objc/Make-lang.in (objc-act.o): Update dependencies.
4911 2001-08-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4913 * config/m68hc11/m68hc11.md ("cmphi_1", "cmpqi_1"): Allow memory
4914 and soft register for operand 0.
4915 ("cmphi_z_used", "cmpqi_z_used"): Allow memory for operand 0.
4917 2001-08-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4919 * config/m68hc11/m68hc11.md ("bitcmpqi"): Allow memory and soft
4920 register for operand 0.
4921 ("bitcmpqi_z_used"): Allow memory for operand 0.
4922 (split "bitcmpqi"): New split to handle address reg as operand 1.
4924 2001-08-04 Andreas Jaeger <aj@suse.de>
4926 * gcse.c: Revert Daniel's last patch.
4928 2001-08-03 Zack Weinberg <zackw@stanford.edu>
4930 * sparc-protos.h: Add prototypes for fp_zero_operand and
4932 * sh-protos.h: Add prototype for fpul_operand.
4934 2001-08-04 Hans-Peter Nilsson <hp@bitrange.com>
4936 * doc/extend.texi (Other Builtins): Fix typo in last change.
4938 2001-08-03 Richard Henderson <rth@redhat.com>
4940 * target.h (gcc_target): Add asm_out.named_section,
4941 section_type_flags, have_named_sections.
4942 * target-def.h (TARGET_ASM_NAMED_SECTION): New.
4943 (TARGET_HAVE_NAMED_SECTIONS): New.
4944 (TARGET_SECTION_TYPE_FLAGS): New.
4946 * Makefile.in (toplev.o): Depend on TARGET_H.
4947 (varasm.o, dbxout.o): Likewise.
4948 * c-common.c (decl_attributes): Check targetm.have_named_sections
4949 instead of ifdef ASM_OUTPUT_SECTION_NAME.
4950 * dbxout.c (dbxout_function_decl): Likewise.
4951 (dbxout_function_end): Likewise.
4952 * toplev.c (compile_file): Likewise.
4953 * varasm.c (exception_section): Likewise.
4954 * cp/decl2.c (finish_objects): Likewise.
4956 * defaults.h (EH_FRAME_SECTION): Remove.
4957 (EH_FRAME_SECTION_ASM_OP): Remove.
4958 (EH_FRAME_SECTION_NAME): New.
4959 (UNIQUE_SECTION): Don't depend on ASM_OUTPUT_SECTION_NAME.
4960 (UNIQUE_SECTION_P): Remove.
4961 * dwarf2out.c (SECTION_FORMAT): Remove.
4962 (ASM_OUTPUT_SECTION): Remove.
4963 (output_call_frame_info): Use named_section_flags.
4964 (output_comp_unit, dwarf2out_start_source_file): Likewise.
4965 (dwarf2out_end_source_file, dwarf2out_define): Likewise.
4966 (dwarf2out_undef, dwarf2out_init, dwarf2out_finish): Likewise.
4967 * varasm.c (in_eh_frame, eh_frame_section): Remove.
4968 (named_section_flags): New.
4969 (named_section): Use it and targetm.section_type_flags.
4970 (resolve_unique_section): New.
4971 (assemble_start_function): Use it.
4972 (asm_emit_uninitialised, assemble_variable): Likewise.
4973 (default_section_type_flags): New.
4974 (default_no_named_section, default_elf_asm_named_section): New.
4975 (default_coff_asm_named_section, default_pe_asm_named_section): New.
4976 * output.h: Update varasm.c decls.
4977 (SECTION_*): New flags.
4979 * crtstuff.c: Check EH_FRAME_SECTION_NAME not EH_FRAME_SECTION_ASM_OP.
4980 (__EH_FRAME_BEGIN__, __FRAME_END__): Use attribute section.
4982 * config/elfos.h (UNIQUE_SECTION_P): Remove.
4983 * config/alpha/elf.h, config/arm/linux-elf.h: Likewise.
4984 * config/arm/pe.h, config/arm/unknown-elf.h: Likewise.
4985 * config/i386/cygwin.h, config/i386/djgpp.h: Likewise.
4986 * config/i386/i386-interix.h, config/i386/win32.h: Likewise.
4987 * config/ia64/sysv4.h, config/mcore/mcore-pe.h: Likewise.
4988 * config/mips/elf.h, config/mips/elf64.h: Likewise.
4989 * config/mips/iris6gld.h, config/mips/mips.h: Likewise.
4990 * config/pa/pa64-hpux.h,
4992 * config/elfos.h (ASM_OUTPUT_SECTION_NAME): Remove.
4993 (TARGET_ASM_NAMED_SECTION): New.
4994 * config/psos.h, config/a29k/a29k.h, config/alpha/elf.h: Likewise.
4995 * config/alpha/vms.h, config/arm/coff.h: Likewise.
4996 * config/arm/conix-elf.h, config/arm/elf.h: Likewise.
4997 * config/arm/linux-elf.h, config/arm/pe.h: Likewise.
4998 * config/arm/unknown-elf.h, config/avr/avr.h: Likewise.
4999 * config/c4x/c4x.h, config/h8300/h8300.h: Likewise.
5000 * config/i386/cygwin.h, config/i386/djgpp.h: Likewise.
5001 * config/i386/i386-interix.h, config/i386/i386elf.h : Likewise.
5002 * config/i386/sco5.h, config/i386/win32.h: Likewise.
5003 * config/m68k/coff.h, config/mcore/mcore-pe.h: Likewise.
5004 * config/mcore/mcore.h, config/mips/elf.h: Likewise.
5005 * config/mips/elf64.h, config/mips/iris6.h: Likewise.
5006 * config/mips/netbsd.h, config/mips/openbsd.h: Likewise.
5007 * config/pa/pa64-hpux.h, config/rs6000/sysv4.h: Likewise.
5008 * config/rs6000/xcoff.h, config/sh/sh.h: Likewise.
5009 * config/sparc/sysv4.h: Likewise.
5011 * config/nextstep.h: Error until named sections implemented.
5013 * config/a29k/a29k.c (a29k_asm_named_section): New.
5014 * config/alpha/alpha.c (SECTION_VMS_OVERLAY): New.
5015 (vms_section_type_flags, vms_asm_named_section): New.
5016 * config/arm/arm.c (arm_elf_asm_named_section): New.
5017 * config/avr/avr.c (asm_output_section_name): Remove.
5018 * config/avr/avr-protos.h: Update.
5019 * config/c4x/c4x.c (c4x_asm_named_section): New.
5020 * config/h8300/h8300.c (h8300_asm_named_section): New.
5021 * config/i386/i386.c (sco_asm_named_section): New.
5022 * config/i386/winnt.c (SECTION_PE_SHARED): New.
5023 (i386_pe_section_type_flags): New.
5024 (i386_pe_asm_named_section): New.
5025 * config/i386/i386-protos.h: Update.
5026 * config/m68k/m68k.c (m68k_coff_asm_named_section): New.
5027 * config/mcore/mcore.c (mcore_asm_named_section): New.
5028 * config/mips/mips.c (iris6_asm_named_section): New.
5029 * config/mips/mips.h (ENCODE_SECTION_INFO): Use DECL_ONE_ONLY
5030 instead of UNIQUE_SECTION_P.
5031 * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): New.
5032 (xcoff_asm_named_section): New.
5033 * config/sh/sh.c (sh_asm_named_section): New.
5034 * config/sparc/sparc.c (sparc_elf_asm_named_section): New.
5036 * config/i386/djgpp.h (EH_FRAME_SECTION_ASM_OP): Remove.
5037 * config/i386/sco5.h (EH_FRAME_SECTION_ASM_OP*): Remove.
5038 (EH_FRAME_SECTION_NAME): New.
5039 (EXCEPTION_SECTION): New.
5040 * config/ia64/ia64.h (EH_FRAME_SECTION_ASM_OP): Remove.
5041 (DEBUG_*_SECTION): Remove.
5042 * config/m68k/rtemself.h (EH_FRAME_SECTION_ASM_OP): Remove.
5043 * config/mips/iris6.h (DEBUG_*_SECTION): Remove.
5044 (EH_FRAME_SECTION_ASM_OP): Remove.
5046 * doc/tm.texi (UNIQUE_SECTION_P): Remove.
5047 (ASM_OUTPUT_SECTION_NAME): Remove.
5048 (TARGET_ASM_NAMED_SECTION): New.
5049 (TARGET_HAVE_NAMED_SECTIONS): New.
5050 (TARGET_SECTION_TYPE_FLAGS): New.
5051 (EH_FRAME_SECTION_ASM_OP): Remove.
5052 (EH_FRAME_SECTION_NAME): New.
5054 2001-08-03 Zack Weinberg <zackw@stanford.edu>
5056 * builtins.c (fold_builtin_constant_p): Return integer_zero_node
5057 for complex expressions when cfun == 0.
5058 * doc/extend.texi: Document that __builtin_constant_p can be
5059 used in data initializers as well as functions.
5061 2001-08-03 Alexandre Oliva <aoliva@redhat.com>
5063 * config/mn10300/mn10300.h (CONDITIONAL_REGISTER_USAGE): Declare
5064 variable I locally, instead of expecting a declaration in the
5067 2001-08-03 Richard Henderson <rth@redhat.com>
5069 * except.c (collect_one_action_chain): Add an explicit cleanup
5070 action if regions surrounding a catch were encoded entirely
5071 within the call-site entry.
5073 2001-08-03 Richard Henderson <rth@redhat.com>
5075 * dbxout.c (dbxout_symbol_location): Flatten subregs first;
5076 don't take REGNO of a non-register.
5078 2001-08-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
5080 * gthr-dce.h (__GTHREAD_MUTEX_INIT_FUNCTION and
5081 __GTHREAD_MUTEX_INIT_DEFAULT): New macros for mutex initialization.
5082 (__gthread_key_delete): Remove code for __PTHREAD_LIBRARY_VERSION_1 >= 1
5083 (__gthread_mutex_init_function): New function for mutex initialization.
5085 2001-08-03 Daniel Berlin <dan@cgsoftware.com>
5087 * Makefile.in: Revert screwed up commit.
5089 2001-08-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
5091 * config/m68hc11/t-m68hc11-gas (T_CPPFLAGS): Add _ctor and _dtor.
5092 * config/m68hc11/larith.asm (_exit): Split in several sub-sections
5093 merged by linker script to get a final _exit().
5094 (__do_global_dtors): New for destructor handling in specific exit
5096 (__do_global_ctors): New for constructors in specific install section.
5097 (__map_data_section): Map data sections before running constructors.
5098 * config/m68hc11/m68hc11.h (INT_ASM_OP): Define to use .word.
5099 (CTORS_SECTION_ASM_OP): Define to put in readonly section.
5100 (DTORS_SECTION_ASM_OP): Likewise.
5101 (CTORS_SECTION_FUNCTION): Define to force a reference to
5103 (DTORS_SECTION_FUNCTION): Likewise for __do_global_dtors.
5105 2001-08-03 Daniel Berlin <dan@cgsoftware.com>
5107 * ChangeLog: Fix date on previous ChangeLog entry for GCSE.
5109 * Makefile.in: Add df.h to gcse.c dependencies.
5111 2001-08-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
5113 * varasm.c (output_constant_def_contents): Use for the length of a
5114 string constant either its TREE_STRING_LENGTH or its int_size_in_bytes
5115 depending on which is larger.
5117 2001-08-03 Daniel Berlin <dan@cgsoftware.com>
5119 * gcse.c: Include df.h for use as a dataflow analyzer.
5121 Declaration of reg_set_info: gone.
5122 New df_analyzer variable used by store motion.
5123 (reg_set_info): Deleted.
5124 (mark_mem_regs): New function, analyze regs used by a mem.
5125 (store_ops_ok): Use dataflow analyzer results to determine if
5126 necessary regs are changed in the block.
5127 (find_moveable_store): Remove check for symbol ref, we can handle
5128 much more complex expressions now.
5129 (compute_store_table): Remove most of the code, it's unnecessary
5130 now that the dataflow analyzer records the info for us.
5131 (store_killed_after): Add parameter to say whether to do the
5132 store_ops_okay test, used to speed up testing when we already know
5133 the answer, and just want to know if the store itself was killed.
5134 (build_store_vector): Largely rewritten to calculate the various
5135 vectors properly, and somewhat optimized.
5136 (store_motion): Init the df_analyzer, get REG_DEF chains.
5137 Also handle trapping expressions (since mems almost always trap)
5138 (simple_mem): Redefine what a simple mem is.
5140 2001-08-03 DJ Delorie <dj@redhat.com>
5142 * ifcvt.c (noce_get_alt_condition): Don't make an auxiliary
5143 set from a constant part of the condition.
5145 2001-08-01 Andrew Cagney <ac131313@redhat.com>
5147 * mkdeps.c (deps_add_default_target): Make local variable
5148 ``start'' a const char pointer.
5149 * dwarf2out.c (compute_section_prefix): Localize use of ``p''.
5151 2001-08-03 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5153 * doc/install.texi (Configuration): Fix markup.
5154 (Specific, i?86-*-udk): Likewise.
5155 (Specific, alpha*-dec-osf*): Warn against --with-gnu-as,
5157 Document --enable-threads and --enable-libgcj status.
5158 (Specific, mips-sgi-irix*): Canonicalize triples.
5159 (Specific, mips-sgi-irix5): Warn about problems with this config.
5160 Mention required GNU as patch.
5161 Native assembler problems are fixed.
5162 (Specific, mips-sgi-irix6): Update O32 ABI support status.
5163 Document --enable-threads and --enable-libgcj status.
5165 2001-08-02 Nick Clifton <nickc@cambridge.redhat.com>
5167 * Makefile.in, mklibgcc.in: Restore changes with fixed invocation
5170 2001-08-03 Richard Henderson <rth@redhat.com>
5172 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Don't write to
5175 2001-08-03 Richard Henderson <rth@redhat.com>
5177 * rtlanal.c (find_first_parameter_load): Stop if we
5178 reach a CODE_LABEL at BOUNDARY.
5180 2001-08-03 Richard Henderson <rth@redhat.com>
5182 * config/alpha/alpha.md (force_movdi): New insn.
5183 * config/alpha/alpha.c (alpha_expand_prologue): Use it.
5184 Tweek FRP marking of VMS prologue insns.
5185 * config/alpha/vms.h (EPILOGUE_USES): New.
5187 2001-08-02 Richard Henderson <rth@redhat.com>
5189 * Makefile.in, mklibgcc.in: Revert mkinstalldirs change.
5191 2001-08-02 Lars Brinkhoff <lars@nocrew.org>
5193 * combine.c, config.gcc, cse.c, defaults.h, real.c, reload.c,
5194 simplify-rtx.c, config/alpha/alpha.h, config/avr/avr.h,
5195 config/convex/convex.h, config/d30v/d30v.c,
5196 config/d30v/d30v.h, config/dsp16xx/dsp16xx.h,
5197 config/elxsi/elxsi.h, config/fr30/fr30.h, config/m88k/m88k.c,
5198 config/mips/mips.h, config/mn10200/mn10200.h,
5199 config/mn10300/mn10300.h, config/pdp11/pdp11.md,
5200 config/v850/v850.h, config/vax/openbsd.h,
5201 config/vax/openbsd1.h, config/vax/ultrix.h,
5202 config/vax/vax-protos.h, config/vax/vax.c, config/vax/vax.h,
5203 config/vax/vax.md, config/vax/vaxv.h, config/vax/xm-vms.h,
5204 cp/decl2.c, doc/contrib.texi, doc/cpp.texi, doc/gcc.texi,
5205 doc/install.texi, doc/invoke.texi, doc/md.texi, doc/rtl.texi,
5206 doc/tm.texi: consistently use "VAX", "VAXen", and "MicroVAX"
5207 in comments and documentation.
5209 2001-08-03 Neil Booth <neil@cat.daikokuya.demon.co.uk>
5213 * Makefile.in (line-map.o): New.
5214 (LIBCPP_OBJS, LIBCPP_DEPS): Update.
5215 * c-lex.c (cb_file_change): Update for new cpp_file_change structure.
5216 * cpperror.c (print_containing_files): Similarly.
5217 (print_location): Update. Don't output a space before _Pragma.
5218 * cppfiles.c (stack_include_file): Set to line 1 immediately.
5219 (stack_include_filee, cpp_make_system_header): Update.
5220 (_cpp_execute_include): Get logical line number right for calling
5221 as-yet-unterminated #include.
5222 * cpphash.h (struct cpp_reader): Add line_maps.
5223 (_cpp_do_file_change): Update.
5224 * cppinit.c (cpp_create_reader): Initialize line maps.
5225 (cpp_destroy): Destroy line maps.
5226 (cpp_start_read): Get logical line number right.
5227 * cpplex.c (parse_string): Only warn once for multi-line strings.
5228 Use boolean variable for null warning.
5229 * cpplib.c (_cpp_handle_directive): End the directive if it isn't
5231 (do_include_common): End the directive early.
5232 (do_line): Don't warn about out-of-range lines in preprocessed
5233 source. Update. Remove unused variables.
5234 (_cpp_do_file_change): Update for new line mapping.
5235 (pragma_cb): New typedef.
5236 (cpp_register_pragma): Stop looking ahead before calling the
5238 (do_pragma_system_header): End directive early.
5239 (cpp_get_line_maps): New.
5240 (cpp_pop_buffer): Fudge logical line. Update.
5241 * cpplib.h: Include line-map.h
5242 (enum cpp_fc_reason): Remove.
5243 (struct cpp_file_change): Update.
5244 (cpp_get_line_maps): New.
5245 * cppmain.c (struct_printer): New member map.
5246 (cb_file_change): Update for new mappings.
5247 * fix-header.c (cb_file_change): Similarly.
5249 2001-08-02 Nick Clifton <nickc@cambridge.redhat.com>
5251 * Makefile.in (libgcc.mk): Define mkinstalldirs.
5252 * mklibgcc.in: Use mkinstalldirs instead of mkdir.
5254 2001-08-02 Lars Brinkhoff <lars@nocrew.org>
5256 * config/vax/vax.c: include expr.h.
5258 2001-08-02 Nick Clifton <nickc@cambridge.redhat.com>
5260 * Makefile.in ($(srcdir)/configure): Only rebuild in
5262 ($(srcdir)/config.in): Only define in maintainer mode.
5263 ($(srcdir)/cstamp-h.in): Only define in maintainer mode.
5265 2001-08-02 David Edelsohn <edelsohn@gnu.org>
5267 * doc/install.texi (Install GCC: Binaries): Update Bull info.
5269 2001-08-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5271 * gcc.c (set_collect_gcc_options): New function, split out from
5273 Ignore elided switches.
5274 (do_spec_1): Invoke before executing command.
5275 (set_input): Export.
5276 Move declaration ...
5277 * gcc.h (set_input): ... here.
5278 * config/alpha/osf.h (ASM_FINAL_SPEC): Use %U.s to refer to input
5281 2001-08-02 Nathan Sidwell <nathan@codesourcery.com>
5284 * doc/c-tree.texi (Namespaces): Remove std & -fhonor-std
5286 * doc/invoke.texi (C++ Dialect Options): Remove -fno-honor-std.
5288 2001-08-02 Richard Sandiford <rsandifo@redhat.com>
5290 * mips.md (movdicc): Make conditional on TARGET_64BIT. Likewise
5291 for the unnamed instructions it expands to.
5293 2001-08-02 Richard Henderson <rth@redhat.com>
5295 * regclass.c (call_really_used_regs): Conditionally define.
5296 (init_reg_sets_1): Don't use it if not defined.
5297 (fix_register): Similarly, don't set it.
5299 2001-08-01 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
5301 * params.def (PARAM_MAX_INLINE_INSNS): Change default to 600.
5302 Correct comment that had been missed in the previous change.
5304 2001-08-01 Stan Shebs <shebs@apple.com>
5306 * config/darwin.c (machopic_stub_name): Try matching by name.
5307 (update_stubs): New function.
5308 (darwin_encode_section_info): Call it and update_non_lazy_ptrs
5311 2001-08-01 Richard Henderson <rth@redhat.com>
5313 * except.c (output_function_exception_table): Use assemble_align.
5314 * varasm.c (assemble_eh_label): Remove.
5315 (assemble_eh_align, assemble_eh_integer): Remove.
5317 2001-08-01 Robert Lipe <robertl@caldera.com>
5319 * dwarfout.c: Remove reference to README.DWARF.
5321 2001-08-01 Andrew MacLeod <amacleod@redhat.com>
5323 * regclass.c (call_really_used_regs): New array for registers which
5324 are actually used by a call.
5325 (init_reg_sets_1): Initialize regs_invalidated_by_call with the
5327 (fix_register): Set call_really_used too.
5328 * config/ia64/ia64.h (CALL_REALLY_USED_REGISTERS): Initialize.
5329 * doc/tm.texi (CALL_REALLY_USED_REGISTERS): Document.
5331 2001-08-01 Richard Henderson <rth@redhat.com>
5333 * read-rtl.c (read_name): Consider \r whitespace.
5335 2001-07-11 Andrew Cagney <ac131313@redhat.com>
5337 * config.gcc: Recognize powerpc-*-netbsd*.
5339 * doc/install.texi (Host/target specific installation notes for
5340 GCC): Mention powerpc-*-netbsd*.
5342 * config/rs6000/netbsd.h: New file.
5343 (STANDARD_STARTFILE_PREFIX, LINK_SHLIB_SPEC): Redefine.
5344 (LIB_DEFAULT_SPEC, STARTFILE_DEFAULT_SPEC): Redefine.
5345 (ENDFILE_DEFAULT_SPEC, LINK_START_DEFAULT_SPEC): Redefine.
5346 (LINK_OS_DEFAULT_SPEC, CPP_OS_DEFAULT_SPEC): Redefine.
5347 (TARGET_VERSION): Redefine.
5349 * config/rs6000/t-ppccomm (MULTILIB_MATCHES_SYSV): Recognize
5350 mcall-netbsd as a match for mcall-sysv.
5351 (EXTRA_MULTILIB_PARTS): Add ncrti$(objext) and ncrtn$(objext).
5352 (ncrti.S, ncrtn.S): New targets.
5353 ($(T)ncrti$(objext), $(T)ncrtn$(objext)): New targets.
5355 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Recognize
5356 "netbsd' as a V4 ABI.
5357 (ASM_SPEC): Check for -mcall-netbsd.
5358 (CC1_SPEC, CC1_SPEC, LINK_START_SPEC, LINK_OS_SPEC): Ditto.
5359 (CPP_ENDIAN_SPEC, CPP_SPEC, STARTFILE_SPEC): Ditto.
5360 (LIB_SPEC, ENDFILE_SPEC): Ditto.
5361 (LIB_NETBSD_SPEC, STARTFILE_NETBSD_SPEC): Define.
5362 (ENDFILE_NETBSD_SPEC, LINK_START_NETBSD_SPEC): Define.
5363 (LINK_OS_NETBSD_SPEC, CPP_OS_NETBSD_SPEC): Define.
5364 (SUBTARGET_EXTRA_SPECS): Add NetBSD specs.
5366 * doc/invoke.texi (Option Summary): Add -mcall-netbsd.
5367 (RS/6000 and PowerPC Options): Mention -mcall-netbsd.
5369 2001-08-01 Mark Kettenis <kettenis@gnu.org>
5371 * unwind-pe.h (base_of_encoded_value, read_encoded_value): Define
5372 only if NO_BASE_OF_ENCODED_VALUE isn't defined.
5373 * unwind-dw2-fde.c (NO_BASE_OF_ENCODED_VALUE): Define before
5374 including "unwind-pe.h".
5376 Wed Aug 1 20:01:42 CEST 2001 Jan Hubicka <jh@suse.cz>
5378 * rs6000.md (define_splits): Kill unused constraints.
5380 Wed Aug 1 20:02:12 CEST 2001 Graham Stott <grahams@redhat.com>
5381 Jan Hubicka <jh@suse.cz>
5383 * function.c (thread_prologue_and_epilogue_insns): Kill code
5384 dealing with non-existent CFG.
5386 2001-08-01 Kazu Hirata <kazu@hxi.com>
5388 * alias.c: Fix comment formatting.
5389 * bitmap.c: Likewise.
5390 * builtins.c: Likewise.
5391 * calls.c: Likewise.
5392 * c-common.c: Likewise.
5393 * c-decl.c: Likewise.
5394 * c-dump.c: Likewise.
5395 * c-lex.c: Likewise.
5396 * collect2.c: Likewise.
5397 * combine.c: Likewise.
5398 * conflict.c: Likewise.
5399 * cppfiles.c: Likewise.
5400 * cppinit.c: Likewise.
5401 * cpplex.c: Likewise.
5402 * cpplib.c: Likewise.
5403 * cppmacro.c: Likewise.
5404 * cppspec.c: Likewise.
5405 * c-pragma.c: Likewise.
5406 * crtstuff.c: Likewise.
5408 * cselib.c: Likewise.
5409 * c-semantics.c: Likewise.
5410 * c-typeck.c: Likewise.
5412 2001-08-01 H.J. Lu <hjl@gnu.org>
5414 * config/mips/linux.h (ASM_OUTPUT_IDENT): Defined.
5416 2001-08-01 H.J. Lu <hjl@gnu.org>
5418 * gcc/config/mips/linux.h (ASM_OUTPUT_SOURCE_LINE): Defined.
5420 2001-08-01 Ziemowit Laski <zlaski@apple.com>
5422 * c-parse.in (OBJC_NEED_RAW_IDENTIFIER): Define macro and flag for
5423 contextualizing Objective-C class name lookup by the lexer.
5424 (typespec_reserved_nonattr): Disable ObjC class name lookup after
5426 (protocoldef): Add support for forward @protocol declarations.
5427 (yylexname): Suppress ObjC class name lookup in certain contexts;
5428 re-enable after lookup is complete.
5429 (_yylex): Re-enable ObjC class name lookup when certain
5430 punctuation marks are seen.
5432 * objc/objc-act.c (check_protocol_recursively): New function used
5433 for finding circular dependencies in protocols.
5434 (objc_declare_protocols): New function for handling forward
5435 @protocol declarations.
5436 (receiver_is_class_object): Detect the case when 'self' is used
5437 inside of a class method.
5438 (build_message_expr): Issue a warning if class method is desired
5439 but instance method is found instead.
5440 (conforms_to_protocol): Streamline.
5441 (objc_comptypes): Detect the fact that 'Bar<Foo> foo' conforms to
5442 protocol Foo, even if 'Bar foo' does not.
5443 (check_protocols): Streamline.
5444 (start_protocol): Add checks for circular and duplicate protocol
5446 (encode_aggregate_within): For typedefs of structs, encode the
5448 * objc/objc-act.h (PROTOCOL_DEFINED): New tree accessor.
5449 (objc_declare_protocols): New prototype.
5451 2001-08-01 Neil Booth <neil@cat.daikokuya.demon.co.uk>
5453 * cpphash.h (struct cpp_reader): New members line, pseudo_newlines.
5454 * cpplex.c (handle_newline): Update prototype. Maintain logical
5456 (skip_escaped_newlines, skip_block_comment, parse_string):
5458 (_cpp_lex_token): Update, and store token position within the token.
5459 * cpplib.h (struct cpp_token): Add line and column entries.
5460 * cppmacro.c (replace_args): Position stringified tokens correctly.
5462 2001-08-01 Andreas Jaeger <aj@suse.de>
5464 * basic-block.h: Add prototype for last_loop_beg_note.
5466 2001-07-31 Alexandre Petit-Bianco <apbianco@redhat.com>
5468 * expr.c (safe_from_p): Use WITH_CLEANUP_EXPR_RTL instead of
5469 RTL_EXPR_RTL while handling WITH_CLEANUP_EXPR nodes. Fixed typo in
5471 (expand_expr): Use WITH_CLEANUP_EXPR_RTL instead of RTL_EXPR_RTL
5472 while handling WITH_CLEANUP_EXPR node. Use second operand calling
5473 expand_decl_cleanup.
5474 * tree.c (firt_rtl_op): The third operand of WITH_CLEANUP_EXPR is
5476 (simple_cst_equal): WITH_CLEANUP_EXPR node to use its second
5477 operand while calling simple_cst_equal.
5478 * tree.def (WITH_CLEANUP_EXPR): Switched operands: the second
5479 operand is the cleanup expression, the third is the RTL_EXPR.
5480 * tree.h (WITH_CLEANUP_EXPR_RTL): New macro.
5482 2001-07-31 Jeff Sturm <jsturm@one-point.com>
5484 * except.c (duplicate_eh_regions): Test n_array[i] for NULL.
5486 2001-07-31 matthew green <mrg@eterna.com.au>
5488 * config.gcc (i386-*-netbsdelf): New description.
5489 * config/i386/netbsd-elf.h: New file.
5491 2001-07-30 Geoffrey Keating <geoffk@redhat.com>
5493 * loop.c (check_dbra_loop): Use single_set to compute
5496 2001-07-31 Daniel Berlin <dan@cgsoftware.com>
5498 PowerPC reorg and support for powerpc64-*-linux*.
5500 Also fixes emitting of constants on 32 bit and 64 bit
5503 * config.gcc: powerpc64-*-linux* is a new target.
5504 Things that needed aix.h now also include xcoff.h
5506 * config/rs6000/rs6000.h: Split XCOFF specific stuff into
5508 Move AIX specific stuff into aix.h.
5509 (TARGET_AIX): Renamed to TARGET_XCOFF, since the AIX ABI is used
5510 with more than just XCOFF now.
5511 (SET_ASM_OP): Remove, now defined where needed.
5512 (FUNCTION_PROLOGUE): New macro definition.
5513 (FUNCTION_EPILOGUE): New macro definition.
5514 (ASM_OPEN_PAREN, ASM_CLOSE_PAREN): New macro definition.
5516 * config/rs6000/xcoff.h: New file.
5518 * config/rs6000/linux64.h: New file.
5520 * config/rs6000/darwin.h: Copy needed AIX alignment definitions.
5522 2001-07-31 Alan Modra <amodra@bigpond.net.au>
5524 * rs6000.c (print_operand_address): Handle ELF syntax.
5525 (output_toc): Simplify. Use DOUBLE_INT_ASM_OP.
5526 * rs6000.md (load_toc_aix_di): Handle ELF syntax.
5527 * rs6000.h (ASM_OUTPUT_DOUBLE_INT, ASM_LONG): Use DOUBLE_INT_ASM_OP.
5529 2001-07-31 David Edelsohn <edelsohn@gnu.org>
5531 * rs6000.c (rs6000_override_options): Only disable
5532 flag_function_sections for XCOFF.
5533 (exact_log2_cint_operand): New predicate.
5534 (reg_or_{add,sub}_cint64_operand): New predicates.
5535 (add_operand): Compare CONST_INT with fewer function calls.
5536 (rs6000_emit_set_const, rs6000_emit_set_long_const): New functions.
5537 (print_operand, case 'p'): Ensure positive operand.
5538 (rs6000_emit_load_toc_table): No load_toc_v4_pic_di.
5539 * rs6000.h (CONST_OK_FOR_LETTER_P, case 'N'): Ensure positive value.
5540 (PREDICATE_CODES): Add new predicates.
5541 * rs6000.md (addsi3): Split 32-bit constants more correctly.
5542 (divsi3, modsi3): Ensure positive power-of-2.
5543 (adddi3): Use new predicate. Split 32-bit constants more
5544 correctly. Re-arrange splitter to handle any constant.
5545 (subdi3): Use new predicate.
5546 (divdi3, moddi3): Ensure positive power-of-2.
5547 (movdi): Use rs6000_emit_set_const.
5548 (load_toc_v4_pic_di): Delete.
5550 2001-07-31 Graham Stott <grahams@redhat.com>
5552 * function.c (pad_below): Revert 2001-07-26 patch.
5554 Tue Jul 31 15:37:35 CEST 2001 Jan Hubicka <jh@suse.cz>
5556 * reg-stack (convert_regs_1): Fix best edge condition.
5558 Tue Jul 31 15:33:27 CEST 2001 Jan Hubicka <jh@suse.cz>
5560 * jump.c (duplicate_loop_exit_test): Better test for jumps
5561 entering the loop; create loop pre_header.
5563 2001-07-31 Hartmut Penner <hpenner@de.ibm.com>
5565 * doc/install.texi: Add s390 and s390x as new targets.
5566 * doc/invoke.texi: Add documantation of S/390 and zSeries
5568 * doc/md.texi: Add documantation of S/390 and zSeries constraints.
5570 2001-07-30 Roman Zippel <zippel@linux-m68k.org>
5572 * config/m68k/m68k.md: Replace all general_operand with
5573 nonimmediate_operand for all destinations.
5574 * config/m68k/m68k.c (not_sp_operand): Likewise.
5576 Mon Jul 30 23:20:34 EDT 2001 John Wehle (john@feith.com)
5578 * flow.c (merge_blocks): Return 1 if an extra jump is inserted.
5580 2001-07-30 Richard Henderson <rth@redhat.com>
5582 * config/ia64/ia64.h (DEBUG_RANGES_SECTION): New.
5583 * config/mips/iris6.h (DEBUG_RANGES_SECTION): New.
5585 2001-07-30 Roman Zippel <zippel@linux-m68k.org>
5587 * config/m68k/m68k.h (TARGET_SWITCHES/TARGET_OPTIONS):
5588 Add missing doc strings
5589 * config/m68k/linux-aout.h (SUBTARGET_SWITCHES): Likewise
5590 * config/m68k/linux.h (SUBTARGET_SWITCHES): Likewise
5592 Mon Jul 30 22:16:08 CEST 2001 Jan Hubicka <jh@suse.cz>
5594 * i386.c (ix86_output_main_function_alignment_hack): New function.
5595 (TARGET_ASM_FUNCTION_PROLOGUE): Default to it.
5597 * flow.c (mark_dfs_back_edges): Move from loop_p ; mark back
5598 edges by EDGE_DFS_BACK flag.
5599 (dump_edge_info): Add dfs_back flag.
5600 * basic-block.h (EDGE_DFS_BACK): New constant.
5601 (mark_dfs_back_edges): Declare.
5602 * alias.c (loop_p): Remove.
5603 (mark_constant_function): Use mark_dfs_back_edges.
5605 * reg-stack.c (block_info_def): Add predecesors counter and stack_out.
5606 (reg_to_stack): Call mark_dfs_back_edges; count the predecesors.
5607 (compensate_edge): Break out from ...
5608 (convert_regs_1): ... here; do smart choosing of stack_out to copy.
5609 (convert_regs_2): Set block_done once block is really done;
5610 Do updating of the predecesors counts.
5612 * toplev.c (rest_of_compilation): Recompute block_for_insn
5613 before post-reload cfg_cleanup.
5614 * function.c (thread_prologue_epilogue_insns):
5615 Call set_block_for_new_insns when emitting prologue directly.
5617 2001-07-30 Andreas Jaeger <aj@suse.de>
5619 * jump.c: Add prototype for mark_modified_reg.
5621 * cse.c (set_live_p): Add unused attribute.
5623 * gcov.c (calculate_branch_probs): Use gcov_type to avoid
5625 (scan_for_source_files): Use long for count to avoid overflow.
5626 (output_data): Likewise.
5627 (output_data): Don't use string concatatenation to silence gcc
5630 * predict.c: Fix typos and grammar.
5632 * gcse.c (insert_insn_end_bb): Remove unused variables.
5634 Mon Jul 30 21:54:53 CEST 2001 Jan Hubicka <jh@suse.cz>
5636 * flow.c (mark_set_1): Use REG_FREQ_FROM_BB.
5637 (attempt_auto_inc): LIkewise.
5638 (mark_used_reg): Likewise.
5639 (try_pre_increment_1): Likewise.
5640 * regclass.c (regclass): Likewise.
5641 * global.c (allocno_compare): Update comment; change scaling factor.
5642 * local-alloc.c (QTY_CMP_PRI): Likewise.
5643 * regs.h (REG_FREQ_FROM_BB): New.
5644 (REG_FREQ_MAX): Likewise.
5646 2001-07-30 H.J. Lu <hjl@gnu.org>
5648 * config/mips/linux.h (CPLUSPLUS_CPP_SPEC): Add
5651 2001-07-30 H.J. Lu (hjl@gnu.org)
5653 * config/mips/linux.h (ASM_DECLARE_FUNCTION_NAME): Defined.
5654 (ASM_DECLARE_FUNCTION_SIZE): Likewise.
5655 (FUNCTION_NAME_ALREADY_DECLARED): Likewise.
5657 2001-07-30 Nick Clifton <nickc@cambridge.redhat.com>
5659 * config/arm/t-arm-elf (MULTILIB_EXCEPTIONS): Skip -mthumb as well
5660 as -mthumb-interwork when -mcpu=arm7 is specified.
5662 Mon Jul 30 17:44:43 CEST 2001 Jan Hubicka <jh@suse.cz>
5664 * predict.def (noreturn, loop branch, loop exit): Mark as first
5667 Mon Jul 30 12:52:11 CEST 2001 Jan Hubicka <jh@suse.cz>
5669 * combine.c (try_combine): Avoid barrier after noop jumps.
5671 2001-07-29 Neil Booth <neil@cat.daikokuya.demon.co.uk>
5673 * cpphash.h (struct cpp_reader): Remove import_warning.
5674 * cpplib.c (skip_rest_of_line): Don't bother turning off
5676 (parse_include): Move include handling to...
5677 (do_include_common): ... here. Move import warning from...
5678 (do_import): ... here.
5679 (do_pragma_poison): Don't do a callback for poison identifiers.
5680 * cpplib.h (struct cpp_callbacks): Don't do poison callbacks.
5681 * cppmain.c (setup_callbacks): Similarly.
5683 Sun Jul 29 23:26:50 CEST 2001 Jan Hubicka <jh@suse.cz>
5685 * rtlanal.c (parms_set, find_first_parameter_load): Break out from...;
5686 handle multiple sets.
5687 * except.c (sjlj_mark_call_sites): .... here.
5688 * gcse.c (insert_insn_end_bb): Use find_first_parameter_load.
5690 Sun Jul 29 21:38:45 CEST 2001 Jan Hubicka <jh@suse.cz>
5692 Suggested by Richard Henderson and Richard Kenner:
5693 * combine.c (recog_for_combine): Use the fake recog
5694 only if instruction does not match.
5695 * rtl.h (NOOP_MOVE_INSN_CODE): New.
5696 * rtlanal.c (noop_move_p): Always return 1 for NOOP_MOVE_INSN_CODE.
5698 * combine.c (try_combine): Discover noop jump as direct jump.
5700 2001-07-29 Daniel Berlin <dan@cgsoftware.com>
5702 * df.c (df_rd_global_compute): Add successors to worklist, not
5704 (df_ru_global_compute): Ditto.
5706 2001-07-27 Daniel Berlin <dan@cgsoftware.com>
5708 * regclass.c (reg_scan_mark_refs): Increment REG_N_REFS when we
5709 increment REG_N_SETS.
5711 2001-07-26 Daniel Berlin <dan@cgsoftware.com>
5713 * sbitmap.h: New prototype for sbitmap_a_xor_b.
5715 * sbitmap.c (sbitmap_a_xor_b): New function.
5716 ifdef the basic block stuff on IN_GCC.
5718 2001-07-29 Neil Booth <neil@cat.daikokuya.demon.co.uk>
5720 * cppexp.c (parse_defined): Always record the macro name.
5721 (lex): Don't worry about identifiers, or special-case
5723 (_cpp_parse_expr): Figure out at the end of the routine
5724 whether we saw a valid !defined() expression.
5725 * cppfiles.c (stack_include_file): Update for mi_valid.
5726 (_cpp_pop_file_buffer): Similarly.
5727 * cpplex.c (_cpp_lex_token): Similarly.
5728 * cpphash.h (enum mi_state, enum mi_ind, mi_state,
5729 mi_if_not_defined, mi_lexed): Remove.
5731 * cpplib.c (do_if): Simplify.
5732 (do_endif, push_conditional, _cpp_handle_directive): Update
5733 for renaming of mi_state to mi_valid.
5735 * cpp.texi: Add index entries for digraphs, and add comment
5736 that C++ refers to them as alternative tokens.
5738 Sun Jul 29 18:59:13 CEST 2001 Jan Hubicka <jh@suse.cz>
5740 * basic-block.h (CLEANUP_PRE_LOOP): New.
5741 * except.c (finish_eh_generation): Update call of cleanup_cfg.
5742 * sibcall.c (optimize_sibling_calls): Likewise.
5743 * toplev.c (rest_of_compilation): Likewise.
5744 * flow.c (try_forward_edges): Take argument MODE;
5745 do not forward over loop pre-headers if CLEANUP_PRE_LOOP.
5746 (try_optimize_cfg): Update call of try_forward_edges.
5748 Sun Jul 29 18:59:56 CEST 2001 Roman Zippel <zippel@linux-m68k.org>
5749 Jan Hubicka <jh@suse.cz>
5751 * (validate_replace_rtx_1): Fix simplification of MINUS.
5753 2001-07-29 Neil Booth <neil@daikokuya.demon.co.uk>
5755 PR preprocessor/3669
5756 * cppinit.c (init_dependency_output): Turn off dump requests
5757 if sending dependencies to stdout.
5759 2001-07-28 Richard Henderson <rth@redhat.com>
5761 * flow.c (life_analysis): Elide PROP_ALLOW_CFG_CHANGES if
5764 2001-07-28 Golubev I. N. <gin@mo.msk.ru>
5766 * config/i386/sco5.h (DWARF2_DEBUGGING_INFO): Define.
5768 2001-07-28 Kazu Hirata <kazu@hxi.com>
5770 * config/h8300/h8300.h (ENCODE_SECTION_INFO): Check to see if DECL
5771 is VAR_DECL first to prevent an ICE.
5773 2001-07-28 Richard Henderson <rth@redhat.com>
5775 * varasm.c (immed_real_const_1): Don't elide special cases for
5777 (clear_const_double_mem): Clear const_tiny_rtx too.
5779 2001-07-28 Richard Henderson <rth@redhat.com>
5781 * dwarf2out.c (dw_val_class_offset): New.
5782 (struct dw_ranges_struct, dw_ranges_ref): New.
5783 (ranges_table, ranges_table_allocated): New.
5784 (ranges_table_in_use, RANGES_TABLE_INCREMENT): New.
5785 (add_AT_offset, add_ranges, output_ranges): New.
5786 (print_die, output_die): Handle dw_val_class_offset.
5787 (attr_checksum, size_of_die, value_format): Likewise.
5788 (gen_lexical_block_die): Handle non-contiguous blocks.
5789 (gen_block_die): Likewise.
5790 (dwarf2out_finish): Add a DW_AT_entry_pc to the compilation unit
5791 if needed. Dump the ranges table.
5792 * final.c (final_start_function): Remove unnecessary notes and
5793 rebuild the block tree before numbering the blocks.
5794 * function.c (reorder_blocks_0): Walk the existing block tree
5795 to unmark all blocks.
5796 (reorder_blocks_1): Create block fragments when duplicate block
5798 (reorder_fix_fragments): New.
5799 (reorder_blocks): Call it.
5800 * tree.h (BLOCK_FRAGMENT_ORIGIN, BLOCK_FRAGMENT_CHAIN): New.
5802 2001-07-28 Richard Henderson <rth@redhat.com>
5804 * emit-rtl.c (adjust_address): Make a copy of the memory address.
5806 2001-07-28 Richard Henderson <rth@redhat.com>
5808 * flow.c (add_to_mem_set_list): New function.
5809 (init_propagate_block_info): Use it.
5810 (mark_set_1): Likewise.
5811 (insn_dead_p): Canonicalize memory address for dead store
5812 comparison. Allow wider mode stores to kill narrower mode stores.
5813 (invalidate_mems_from_autoinc): Use invalidate_mems_from_set.
5814 (invalidate_mems_from_set): Don't handle MEMs.
5816 2001-07-28 Kazu Hirata <kazu@hxi.com>
5818 * config/h8300/h8300.h: Fix formatting.
5820 Sat Jul 28 23:35:22 CEST 2001 Jan Hubicka <jh@suse.cz>
5822 * basic-block.h (EDGE_FREQUENCY): New macro.
5823 * bb-reorder (fixup_reorder_chain): Set counts and frequencies
5825 * flow.c (find_sub_basic_blocks): Likewise.
5826 (try_crossjump_to_edge): Likewise; use EDGE_FREQUENCY
5827 (redirect_edge_and_branch): Use EDGE_FREQUENCY.
5829 * predict.c (DEF_PREDICTOR): New argument FLAGS.
5830 (HITRATE): New macro.
5831 (PRED_FLAG_FIRST_MATCH): New constant.
5832 (predictor_info): New field flgags.
5833 (combine_predictions_for_insn): Use DS theory to combine
5834 probabilities; set the edge probabilities when finished.
5835 (estimate_probability): Avoid duplicated matches
5836 of LOOP_BRANCH heuristics for nested loops; update comment.
5837 * predict.def: Add flags for each prediction, set probabilities
5838 according to B&L paper.
5839 * predict.h (DEF_PREDICTOR): New argument FLAGS.
5841 * profile.c (compute_branch_probabilities): Cleanup way the edge
5842 probabilities are computed and REG_BR_PROB notes are dropped; if
5843 values does not match, emit error.
5844 (init_branch_prob): Do error instead of warning when profile driven
5845 feedback is missing or corrupt.
5847 2001-07-27 DJ Delorie <dj@redhat.com>
5849 * ifcvt.c (noce_get_alt_condition): If the condition is a compare
5850 against a constant, try to adjust the compare to have the desired
5851 constant in it so that min/max optimizations happen more often.
5853 Fri Jul 27 17:53:00 CEST 2001 Jan Hubicka <jh@suse.cz>
5855 * flow.c (last_loop_beg_note): New function.
5856 (redirect_edge_and_branch): Use it.
5857 (split_edge): Likewise.
5859 * alias.c (loop_p): Avoid uninitialized memory access.
5861 * flow.c (try_forward_edges): Avoid accessing freed memory.
5863 * flow.c (backward_edge_of_syntactic_loop_p): Avoid uninitialized
5866 2001-07-26 Andrew Haley <aph@redhat.com>
5867 Joern Rennecke <amylaar@redhat.com>
5869 * config/sh/linux.h (CPP_DEFAULT_CPU_SPEC): New.
5870 (SUBTARGET_CPP_ENDIAN_SPEC): New.
5871 (SUBTARGET_CPP_SPEC): New.
5873 * config/sh/sh.h (SUBTARGET_CPP_ENDIAN_SPEC): New.
5874 (SUBTARGET_CPP_PTR_SPEC): New.
5875 (CPP_DEFAULT_CPU_SPEC): New.
5876 (EXTRA_SPECS): Add SUBTARGET_CPP_ENDIAN_SPEC,
5877 SUBTARGET_CPP_PTR_SPEC, and CPP_DEFAULT_CPU_SPEC.
5878 (CPP_SPEC): Break out parts into SUBTARGET_CPP_ENDIAN_SPEC,
5879 SUBTARGET_CPP_PTR_SPEC, and CPP_DEFAULT_CPU_SPEC.
5880 (SUBTARGET_CPP_SPEC): Define as an empty string.
5882 2001-07-27 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
5884 * doc/install.texi (Configuration): Properly link the host
5885 specific instructions also when generating HTML.
5887 Fri Jul 27 00:33:35 EDT 2001 John Wehle (john@feith.com)
5889 * flow.c (redirect_edge_and_branch_force): Test
5890 target->global_live_at_start.
5892 2001-07-26 Richard Henderson <rth@redhat.com>
5894 * simplify-rtx.c (avoid_constant_pool_reference): Export.
5895 * rtl.h (avoid_constant_pool_reference): Declare it.
5896 * dwarf2out.c (add_location_or_const_value_attribute): Use it.
5897 (add_const_value_attribute): Use add_AT_unsigned for unsigned values.
5899 Thu Jul 26 22:30:22 CEST 2001 Jan Hubicka <jh@suse.cz>
5901 * rtl.h (cleanup_barriers): Declare.
5902 * jump.c (cleanup_barriers): New function.
5903 * toplev.c (rest_of_compilation): Call cleanup_barriers
5904 before loop optimizer and after bb_reorder.
5906 * flow.c (back_edge_of_syntactic_loop_p): New.
5907 (split_edge): Use it.
5909 2001-07-26 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5911 * glimits.h (_MACH_MACHLIMITS_H_): Delete.
5913 Thu Jul 26 22:22:21 2001 Denis Chertykov <denisc@overta.ru>
5915 * cse.c (cse_process_notes): Replace any registers if the address
5918 Thu Jul 26 14:04:03 EDT 2001 John Wehle (john@feith.com)
5920 * basic-block.h (PROP_ALLOW_CFG_CHANGES): Define.
5921 (PROP_FINAL): Include PROP_ALLOW_CFG_CHANGES.
5922 (propagate_block): Update prototype.
5923 * flow.c (update_life_info): Simplify the CFG and
5924 recalculate the global regs which are alive when
5925 removing dead code during a global update.
5926 (propagate_block): Return non-zero if an INSN is
5929 2001-07-26 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5931 * Makefile.in (LIBICONV): Define.
5933 2001-07-26 Catherine Moore <clm@redhat.com>
5935 * config/v850/v850.h (ENCODE_SECTION_INFO): Change order
5936 of conditional to avoid tree checking errors.
5938 2001-07-26 Kazu Hirata <kazu@hxi.com>
5940 * regmove.c (regmove_optimize): Don't replace a reg with
5941 another reg of a different mode.
5943 2001-07-26 Andrew MacLeod <amacleod@redhat.com>
5945 * params.def (PARAM_MAX_PENDING_LIST_LENGTH): Add parameter to
5946 limit length of dependancy flush list.
5947 * params.h (MAX_PENDING_LIST_LENGTH): Define.
5948 * sched-int.h (struct deps): Add pending_flush_length field.
5949 * sched-deps.c (flush_pending_lists): Last_pending_memory_flush now
5950 has 1 element in it.
5951 (sched_analyze_1): Use MAX_PENDING_LIST_LENGTH.
5952 (sched_analyze): After a jump, if the pending memory flush list is too
5953 large, flush the pending lists.
5954 (init_deps): Initialize pending_flush_length to 0.
5955 * doc/invoke.texi (max_pending_list_length): Document parameter.
5957 2001-07-26 Neil Booth <neil@daikokuya.demon.co.uk>
5959 * toplev.c, varasm.c, final.c: Include xcoffout.h if appropriate.
5960 * dbxout.c (dbxout_global_decl): Move outside #ifdef.
5961 * Makefile.in (varasm.o, final.o, toplev.o): Update dependencies.
5963 2001-07-26 Neil Booth <neil@cat.daikokuya.demon.co.uk>
5965 * cpphash.h (struct_lexer_state): Delete was_skipping.
5966 Move skipping here from struct cpp_reader.
5967 * cpplex.c (parse_identifier): Update.
5968 (_cpp_lex_token): Don't skip tokens in a directive.
5969 * cpplib.c (struct if_stack): Update.
5970 (start_directive, end_directive): Don't change skipping state.
5971 (_cpp_handle_directive): Update.
5972 (do_ifdef, do_ifndef, do_if, do_elif): Similarly.
5973 (do_else, do_endif): Update; only check for excess tokens if not
5974 in a skipped conditional block.
5975 (push_conditional): Update for new struct if_stack.
5977 2001-07-26 Graham Stott <grahams@redhat.com>
5979 * function.c (locate_and_pad_parm): Also pad initial offset
5980 so that the total argument size also includes the padding.
5982 2001-07-26 Graham Stott <grahams@redhat.com>
5984 * gensupport.c (alter_output_for_insn): Correct enable checking failure
5985 change XSTR to XTMPL.
5987 (process_one_cond_exec): Likewise
5989 2001-07-25 Richard Henderson <rth@redhat.com>
5991 * varasm.c (assemble_variable): Create DECL_RTL before setting
5994 Thu Jul 26 00:19:30 CEST 2001 Jan Hubicka <jh@suse.cz>
5996 * predict.c (estimate_probability): Avoid duplicated predictions.
5998 * loop.c (find_and_verify_loops): Grok multiple barriers.
6000 Wed Jul 25 18:00:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6002 * config/alpha/alpha.c (print_operand, case '/'): Don't write '/'.
6004 * dbxout.c: Consistently use putc instead of fputc.
6005 (print_wide_int): New function; call instead of direct fprintf.
6006 (dbxout_type_index): Adjust calls of CHARS to be more accurate.
6007 (dbxout_type_fields, dbxout_type_method_1): Likewise.
6008 (dbxout_type_methods, dbxout_range_type, dbxout_type): Likewise.
6009 (print_int_cst_octal): Likewise.
6010 (print_octal): Show we wrote characters.
6011 (dbxout_type): Set have_used_extensions in more places.
6013 2001-07-25 Catherine Moore <clm@redhat.com>
6015 * config/v850/v850.c (v850_va_arg): Use addr
6016 instead of valist to build incr.
6018 Wed Jul 25 22:48:59 CEST 2001 Jan Hubicka <jh@suse.cz>
6020 * flow.c (delete_dead_jumptables): New function.
6021 (life_analyzis): Call it.
6022 * bb-reorder.c (skip_insns_after_block): Handle contradictory
6025 2001-07-25 Richard Henderson <rth@redhat.com>
6027 * except.c (reachable_handlers): Handle a region being removed
6028 out from under a RESX.
6030 2001-07-25 Richard Henderson <rth@redhat.com>
6032 * config/alpha/alpha.c (alpha_emit_conditional_move): Always
6033 swap GE/GT if it is an fp comparison.
6035 2001-07-25 Andrew Haley <aph@cambridge.redhat.com>
6037 * alias.c (rtx_equal_for_memref_p): Allow strings as types in
6040 Wed Jul 25 08:25:01 2001 Jeffrey A Law (law@cygnus.com)
6042 * ssa.c (rename_insn_1): Do not wrap an assignment to a
6043 paradoxical SUBREG inside a SEQUENCE. Fix minor formatting
6046 * ssa-ccp.c (visit_expression): Handle CALL_INSNs that can
6048 (visit_expression): When attempting to simplify an expression,
6049 retrieve any modes for arguments before they are simplified
6052 2001-07-25 Andrew MacLeod <amacleod@redhat.com>
6053 Janis Johnson <janis@us.ibm.com>
6055 * stmt.c (expand_goto): A nonlocal goto can be a call too.
6056 * builtins.c (expand_builtin_longjmp): Reverse label and static chain
6057 pointer parameters to match documented usage of nonlocal_goto.
6058 * config/ia64/ia64.md (nonlocal_goto): Revert label and static chain
6059 parameters to their correct order.
6060 * config/sparc/sparc.md (nonlocal_goto): Revert label and static chain
6061 parameters to their correct order.
6063 2001-07-25 Andrew MacLeod <amacleod@redhat.com>
6065 * config/ia64/ia64.h (STRIP_NAME_ENCODING): Strip out '*' as well.
6067 2001-07-25 Jan Hubicka <jh@suse.cz>
6068 Richard Henderson <rth@redhat.com>
6070 * flow.c (find_sub_basic_blocks): Fix handling of the last BB in
6072 (make_edges): New argument update_p; populate the edge cache if set.
6073 (find_basic_blocks): Update make_edges invocation.
6075 2001-07-24 Joel Sherrill <joel@OARcorp.com>
6077 * config/i960/i960.h (CPP_SPEC): Define _SOFT_FLOAT for -msoft-float.
6079 2001-07-24 Joel Sherrill <joel@OARcorp.com>
6081 * config/sparc/rtems.h (CPP_PREDEFINES): Remove redundant
6082 -Acpu and -Amachine.h.
6083 * config/sparc/rtemself.h (CPP_PREDEFINES): Likewise.
6084 Corrected header to say ELF not a.out.
6085 * config/sparc/sparc.h (CPP_CPU_SPEC): Define _SOFT_FLOAT
6086 when given -msoft-float.
6088 2001-07-24 Joel Sherrill <joel@OARcorp.com>
6090 * config.gcc (arm*-*-rtems*): Include crtinit.o and crtfini.o as
6091 extra multilib parts like arm-elf.
6092 (i960-*-coff*, i960-*-rtems): Should not use collect2.
6093 (m68020-*-elf*, m68k-*-elf*, m68k-*-rtems*): Include crtinit.o and
6094 crtfini.o as extra multilib parts.
6096 2001-07-24 Joel Sherrill <joel@OARcorp.com>
6098 * configure.in: Add rtems as a supported thread model.
6099 * gthr-rtems.h: Add missing entry point __gthread_active_p.
6100 * configure: Rebuilt.
6102 2001-07-24 Lars Brinkhoff <lars@nocrew.org>
6104 * stor-layout.c (get_mode_alignment): make it work when
6105 BITS_PER_UNIT is not a power of two.
6106 * builtins.c (get_pointer_alignment): Likewise.
6108 2001-07-24 Richard Henderson <rth@redhat.com>
6110 * simplify-rtx.c (avoid_constant_pool_reference): Coerce
6111 the retrieved constant into the expected mode.
6113 Wed Jul 25 01:41:27 CEST 2001 Jan Hubicka <jh@suse.cz>
6115 * flow.c (try_simplify_condjump): Avoid duplicated edges.
6116 (verify_flow_info): Check for duplicated edges; clarify
6119 * flow.c (block_label): Update basic_block_for_insn.
6120 (commit_edge_insertions): Call compute_bb_for_insn.
6122 * flow.c (purge_dead_edges): Handle conditional jumps and conditional
6125 * flow.c (redirect_edge_and_branch,
6126 try_optimize_cfg): Use redirect_edge_succ_nodup
6127 (redirect_edge_succ_nodup): New.
6128 * basic_block.h (redirect_edge_succ_nodup): Declare.
6130 * toplev.c (rest_of_compilation): Rebuild CFG before cfg_cleanup
6133 Wed Jul 25 00:32:49 CEST 2001 Jan Hubicka <jh@suse.cz>
6135 * flow.c (try_forward_edges): Accept fallthru edge; Update comment.
6136 (try_crossjump_to_edge): Update commetns.
6137 (try_crossjump_bb): Likewise.
6139 2001-07-24 Richard Henderson <rth@redhat.com>
6141 * combine.c (distribute_notes): Move set of need_refresh
6142 for noop_move_p down to catch all cases.
6144 Tue Jul 24 20:32:44 CEST 2001 Jan Hubicka <jh@suse.cz>
6146 * recog.c (split_all_insns_noflow): New.
6147 * rtl.h (split_all_insns_noflow): Declare.
6148 * ia64.c (ia64_reorg): Use split_all_insns_noflow.
6149 * m68hc11.c (m68hc11_reorg): Likewise.
6150 * sh.c (machine_dependent_reorg): Likewise.
6151 * toplev.c (rest_of_compilation): Likewise for last split_all_insns
6154 2001-07-18 Andrew Haley <aph@cambridge.redhat.com>
6156 * config/sh/sh.md (ashlsi3_std splitter): Split only after reload.
6157 (ashlsi3_n splitter): Likewise.
6158 (lshrsi3_n splitter): Likewise.
6160 (GOTaddr2picreg): Make const SImode.
6161 (sym_label2reg): Likewise.
6162 (symGOT2reg): Likewise.
6163 (symGOTOFF2reg) Likewise.
6165 (casesi_worker_0): Make unspec SImode.
6167 2001-07-18 Andrew Haley <aph@cambridge.redhat.com>
6169 * config/sh/sh.c (barrier_align): Check that an operand really is
6170 an insn before extracting its INSN_CODE.
6172 2001-07-24 Andrew Haley <aph@cambridge.redhat.com>
6174 * config/sh/sh.h (OVERRIDE_OPTIONS): Add braces to get rid of
6177 * config/sh/sh.h (INITIALIZE_TRAMPOLINE): Truncate operands
6178 for SImode to prevent overflow.
6180 2001-07-24 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6182 * config/mips/irix6-libc-compat.c: New file.
6183 * config/mips/t-iris6 (LIB2FUNCS_STATIC_EXTRA): Use it.
6184 * doc/install.texi (Specific, mips*-sgi-irix6): Mention structure
6187 2001-07-24 lars brinkhoff <lars@nocrew.org>
6189 * rtl.texi (REG_POINTER): Document.
6190 (Machine Modes): Document BImode, OImode, PQImode, PHImode,
6191 QFmode, HFmode, TQFmode, QCmode, and HCmode.
6193 Tue Jul 24 10:49:40 CEST 2001 Jan Hubicka <jh@suse.cz>
6195 * flow.c (delete_noop_moves): Do not confuse libcall regions.
6197 2001-07-23 Richard Henderson <rth@redhat.com>
6199 * flow.c (try_simplify_condjump): Use tidy_fallthru_edge.
6201 2001-07-23 Kazu Hirata <kazu@hxi.com>
6203 * config/h8300/h8300-protos.h: Add a prototype for
6204 general_operand_dst_push.
6205 * config/h8300/h8300.c (general_operand_dst_push): New.
6206 * config/h8300/h8300.h (OK_FOR_T): New.
6207 (EXTRA_CONSTRAINT): Use it.
6208 * config/h8300/h8300.md (movqi_push): Remove and integrate into
6209 the existing movqi pattern.
6210 (movhi_push): Likewise.
6212 * reload.c: Fix comment typos.
6214 Mon Jul 23 23:34:07 CEST 2001 Jan Hubicka <jh@suse.cz>
6216 * gcse.c (cprop_insn): Update call of cprop_cc0_jump.
6218 2001-07-23 H.J. Lu (hjl@gnu.org)
6220 * doc/extend.texi: Update __builtin_return_address and
6221 __builtin_frame_address.
6223 2001-07-23 Richard Henderson <rth@redhat.com>
6225 * config/i386/i386.c (ix86_expand_setcc): Don't use method 0
6227 * config/i386/i386.md: New setcc+movzbl peephole2.
6229 2001-07-23 Neil Booth <neil@cat.daikokuya.demon.co.uk>
6231 * objc/Make-lang.in (objc-act.o): Depend on debug.h.
6232 * objc/objc-act.c: Include debug.h.
6233 (synth_module_prologue): Save and restore debug hooks too.
6235 2001-07-23 lars brinkhoff <lars@nocrew.org>
6237 * tm.texi (TARGET_FLOAT_FORMAT): Document IBM_FLOAT_FORMAT
6238 and C4X_FLOAT_FORMAT.
6239 (BOOL_TYPE_SIZE): Document.
6241 Mon Jul 23 11:54:23 2001 Clinton Popetz <cpopetz@cpopetz.com>
6243 * unroll.c (loop_iterations): Fix miscalculation of initial
6246 2001-07-13 Andrew Haley <aph@redhat.com>
6248 * doc/tm.texi (MD_CAN_REDIRECT_BRANCH): New macro.
6249 * config/sh/sh.h (MD_CAN_REDIRECT_BRANCH): New macro.
6250 * config/sh/sh.c (sh_can_redirect_branch): New function.
6251 * config/sh/sh-protos.h (sh_can_redirect_branch): Declare.
6252 * reorg.c (steal_delay_list_from_target): Use
6253 MD_CAN_REDIRECT_BRANCH to see if redirection is possible.
6255 Mon Jul 23 17:20:18 CEST 2001 Jan Hubicka <jh@suse.cz>
6257 * flow.c (try_simplify_condjump): Unlink insn chain on
6258 fallthru edge; use can_fallthru.
6260 Mon Jul 23 16:03:19 CEST 2001 Jan Hubicka <jh@suse.cz>
6262 * basic-block.h (find_sub_basic_block): Declare.
6263 * flow.c (make_edges): New arguments MIN and MAX;
6264 (find_sub_basic_blocks): Revamp to use make_edges
6265 and purge_dead_edges.
6266 (find_basic_blocks): Update call of find_sub_basic_block.
6268 * recog.c (split_all_insns): Always expect CFG to be consistent;
6269 call find_sub_basic_blocks in case something has changed.
6270 * toplev.c (rest_of_compilation): Always call split_all_insns once CFG
6273 * basic-block.h (delete_noop_moves): Declare.
6274 * combine.c (combine_instructions): Call it.
6275 (recog_for_combine): Tolerate noop moves
6276 (distribute_notes): Force refresh when register dies at noop move.
6277 * flow.c (delete_noop_moves): Use BB structure; delete JUMP insns
6279 (life_analysis): Update delete_noop_moves call.
6280 (set_noop_p): Move too ...
6281 * rtlanal.c (noop_move_p): ... here.
6282 * rtl.h (noop_move_p): Declare.
6284 * basic-block.h (purge_all_dead_edges, purge_dead_edges): New functions.
6285 * toplev.c (rest_of_compilation): Conditionally call purge_all_dead_edges
6287 * gcse.c (cprop_cc0_jump, cprop_insn): New argument "basic_block".
6288 (cprop_jump): Likewise; call purge_dead_edges if substitution suceeded.
6290 2001-07-23 Hans-Peter Nilsson <hp@bitrange.com>
6292 * reload.c (push_reload): Fix typo in comment.
6293 (find_reloads_address): Ditto.
6294 (reg_overlap_mentioned_for_reload_p): Ditto in head comment.
6296 2001-07-22 Richard Henderson <rth@redhat.com>
6298 * flow.c: Grammar check and clarify a lot of comments.
6299 (try_simplify_condjump): Rename variables to be clearer.
6300 (try_forward_edges): Skip complex and fallthru edges.
6301 Rearrange tests to avoid duplicate checks.
6302 (flow_find_cross_jump): Likewise.
6303 (outgoing_edges_match): Allow match if neither branch has
6304 probability data. Loosen probability match to 5%.
6305 (try_crossjump_to_edge): Hoist repeated indirection into
6307 (try_crossjump_bb): Don't check complex edges. Eliminate
6308 redundant crossjump tests.
6309 (try_optimize_cfg): Fix use of bool. Reorganize cheaper
6310 checks before more expensive checks.
6312 2001-07-22 Richard Henderson <rth@redhat.com>
6314 * fold-const.c (fold): Test vs FLOAT_TYPE_P instead of
6315 INTEGRAL_TYPE_P when folding comparisons with operand_equal_p
6318 2001-07-22 Richard Henderson <rth@redhat.com>
6320 * m68k.c (const_uint32_operand): Abort if mode is <= 32 bits.
6321 (const_sint32_operand): Likewise.
6322 * m68k.md (anon mulsi pattern): Use const_int_operand not
6323 const_sint32_operand.
6324 (umulsi3_highpart): Zero extend a constant input.
6325 (smulsi3_highpart): Don't bother checking SImode constant.
6326 (const_umulsi3_highpart): Give op3 DImode.
6327 (const_smulsi3_highpart): Likewise.
6329 2001-07-22 Richard Henderson <rth@redhat.com>
6331 * flow.c (split_block): Make sure bb_note is included in the
6332 new block when splitting before a label.
6334 Sun Jul 22 23:28:56 CEST 2001 Jan Hubicka <jh@suse.cz>
6336 * basic-block.h (redirect_edge_and_branch_force,
6337 redirect_edge_and_branch, block_label, forwarder_block_p): Declare.
6338 * flow.c (redirect_edge_and_branch_force,
6339 redirect_edge_and_branch, block_label, forwarder_block_p): Make global.
6340 (redirect_edge_and_branch_force): Fix copying of lifeness information.
6341 (block_label): Handle EXIT_BLOCK_PTR by returning NULL.
6342 * ifcvt.c (dead_or_predictable): Take BB as an new destionation
6343 instead of label; update CFG after transformation.
6344 (find_if_case_1): Update call, use redirect_edge_and_branch_force
6345 for finishing the transformation; handle even case where ELSE
6346 does not follow THEN.
6347 (find_if_case_2): Update call of dead_or_predictable; simplify
6350 * emit-rtl.c (split_branch_probability): New global variable.
6351 (try_split): Take care to set split_branch_probability and
6352 create REG_BR_PROB note for new jump insns.
6353 * md.texi (define_split): Document new feature.
6355 * i386.c (ix86_split_fp_branch): Redistribute branch probability notes.
6357 2001-07-22 Neil Booth <neil@daikokuya.demon.co.uk>
6359 * varasm.c: Don't inlcude dbxout.h, sdbout.h or xcoffout.h.
6360 (asm_out_file): Remove redundant declaration.
6361 (assemble_asm): Remove old #if 0 block.
6362 (assemble_variable): Remove end of function; debug output is
6363 now handled with global_decl. Remove old #if 0 block. Update.
6364 Remove saved_in_section and associated no-op code.
6365 * Makefile.in (varasm.o): Correct dependencies.
6367 Sun Jul 22 17:55:11 2001 Alexandre Oliva <aoliva@redhat.com>
6369 * config/i386/freebsd-aout.h (ASM_PREFERRED_EH_DATA_FORMAT): Use
6370 the definition in defaults.h.
6372 Sun Jul 22 21:31:04 CEST 2001 Jan Hubicka <jh@suse.cz>
6374 * jump.c: Update comments.
6375 (delete_barrier_successors, delete_unreferenced_labels,
6376 delete_noop_moves, tension_vector_labels, delete_from_jump_chain,
6377 delete_labelref_insn, redirect_tablejump, jump_optimize_1,
6378 jump_optimize, jump_optimize_minimal): Kill.
6379 (rebuild_jump_labels): Move code from jump_optimize_1.
6380 (purge_line_number_notes): Likewise.
6381 (copy_loop_headers): Likewise.
6382 * reg-stack.c: Update comment.
6384 * rtl.h (jump_optimize, jump_optimize_1, JUMP_NOOP_MOVES,
6385 JUMP_AFTER_REGSCAN): Kill.
6386 * toplev.c (rest_of_compilation): Use cleanup_cfg, call
6387 purge_line_number_notes and copy_loop_headers.
6389 2001-07-22 Neil Booth <neil@daikokuya.demon.co.uk>
6390 Richard Henderson <rth@redhat.com>
6392 * dbxout.c (dbxout_global_decl): New.
6393 (xcoff_debug_hooks, dbx_debug_hooks): Use it.
6394 * sdbout.c (sdbout_finish): New.
6395 (sdbout_debug_hooks): Use it, add comments.
6396 (sdbout_global_decl): Defer initialised public vars to
6398 * varasm.c (assemble_variable): Don't output debug information
6399 for file-scope variables.
6401 2001-07-22 Richard Henderson <rth@redhat.com>
6403 * config/alpha/alpha.c (get_trap_mode_suffix): New.
6404 (get_round_mode_suffix): New.
6405 (print_operand): Use them for [/]. Remove support for [&'`()+].
6406 * config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): Update.
6407 * config/alpha/alpha.md (attr round_suffix): New.
6408 (attr trap_suffix): New.
6409 (all insns): Set them appropriately. Use %/ instead of the
6412 2001-07-22 Neil Booth <neil@cat.daikokuya.demon.co.uk>
6414 * dbxout.c, sdbout.c, varasm.c: Revert most recent debug patch.
6416 2001-07-22 Richard Henderson <rth@redhat.com>
6418 * regrename.c (regrename_optimize): Compute nregs for each
6419 potential target register.
6421 2001-07-21 Neil Booth <neil@daikokuya.demon.co.uk>
6422 Richard Henderson <rth@redhat.com>
6424 * dbxout.c (dbxout_global_decl): New.
6425 (xcoff_debug_hooks, dbx_debug_hooks): Use it.
6426 * sdbout.c (sdbout_finish): New.
6427 (sdbout_debug_hooks): Use it, add comments.
6428 (sdbout_global_decl): Defer initialised public vars to
6430 * varasm.c (assemble_variable): Don't output debug information
6431 for file-scope variables.
6433 2001-07-21 H.J. Lu (hjl@gnu.org)
6435 * config/mips/mips.c (mips_cpu): Moved into ...
6436 (override_options): Here.
6438 * config/mips/mips.h (mips_cpu_attr): Replace mips_cpu with
6440 (mips_cpu): Removed.
6442 2001-07-21 Stephane Carrez <Stephane.Carrez@worldnet.fr>
6444 * config/m68hc11/m68hc11.md ("andqi3"): Accept d as second operand.
6445 ("iorqi3"): Likewise.
6446 ("xorqi3"): Likewise.
6447 ("*addhi3"): Fix constraint to avoid reloading in a soft register.
6448 ("*subhi3_sp): Likewise.
6449 ("*subhi3"): Likewise.
6450 ("extendhisi2"): Accept D, X and Y as source operand to avoid
6453 2001-07-21 Nathan Sidwell <nathan@codesourcery.com>
6455 * doc/tm.texi: Remove DEFAULT_VTABLE_THUNKS.
6456 * config/freebsd.h: Likewise.
6457 * config/linux.h: Likewise.
6458 * config/openbsd.h: Likewise.
6459 * config/alpha/linux-elf.h: Likewise.
6460 * config/arm/linux-elf.h: Likewise.
6461 * config/d30v/d30v.h: Likewise.
6462 * config/fr30/fr30.h: Likewise.
6463 * config/ia64/aix.h: Likewise.
6464 * config/ia64/ia64.h: Likewise.
6465 * config/mips/linux.h: Likewise.
6466 * config/pj/pj.h: Likewise.
6467 * config/rs6000/linux.h: Likewise.
6468 * config/sparc/linux.h: Likewise.
6469 * config/sparc/linux64.h: Likewise.
6471 2001-07-20 Bruce Korb <bkorb@gnu.org>
6473 * fixinc/fixincl.c(test_for_changes): force unsigned char comparisons
6474 because getc() and char* may disagree on signedness.
6476 2001-07-20 Richard Henderson <rth@redhat.com>
6478 * doc/rtl.texi (REG_DEAD): Update for current semantics.
6480 * flow.c (try_redirect_by_replacing_jump): Correctly compute which
6481 insns to delete in the presence of cc0 in a jump insn.
6483 Fri Jul 20 22:14:49 CEST 2001 Roman Zippel <zippel@linux-m68k.org>
6484 Jan Hubicka <jh@suse.cz>
6486 * m68k.md (zero_extend?i?i2 expander): Use gen_lowpart instead
6487 of doing the change by hand.
6489 Fri Jul 20 21:59:42 CEST 2001 Jan Hubicka <jh@suse.cz>
6491 * rtlanal.c (set_noop_p): Return true for noop jumps.
6493 * expr.c (emit_single_push_insn): Add call to push expander.
6494 * expr.h (optab_index): Add OTI_push
6495 (push_optab): New constant.
6496 * genopinit.c (optabs): Add push_optab.
6497 * optabs.c (init_optab): Init push optab.
6498 * md.texi (push??1): Document
6500 2001-07-20 Stephane Carrez <Stephane.Carrez@worldnet.fr>
6502 * config/m68hc11/m68hc11.md ("movdi", "movdi_internal"): Use an
6503 expand to emit the pattern; put a REG_INC note for push/pop
6505 ("movdf", "movdf_internal"): Likewise.
6506 ("movsi", "movsi_internal"): Likewise.
6507 ("movsf", "movsf_internal"): Likewise.
6508 ("movhi", "movqi"): Emit a REG_INC note for push/pop instructions.
6510 2001-07-20 Stephane Carrez <Stephane.Carrez@worldnet.fr>
6512 * config/m68hc11/m68hc11.c (m68hc11_gen_highpart): Don't use
6515 2001-07-20 Daniel Berlin <dan@cgsoftware.com>
6517 * params.def: Change default max inline insns to 100.
6519 2001-07-20 Diego Novillo <dnovillo@redhat.com>
6521 * combine.c (combine_simplify_rtx): Generate a new shift operation
6522 when simplifying the first operand of a (neg (ashift)) expression.
6524 2001-07-20 Roman Lechtchinsky <rl@cs.tu-berlin.de>
6526 * regclass.c (N_REG_INTS): Use only 32 bits per element.
6528 2001-07-20 Kelley Cook <kelley.cook@home.com>
6530 * doc/install.texi (sparc-sun-solaris*): Add in 4.x assembler bug
6531 information. Move rest into ...
6532 (*-*-solaris): ... here. Eliminate redundant information and
6533 reword necessary packages section. Delete 4.x assembler bug info.
6534 (sparc-sun-*): Merge into ...
6535 (sparc-sun-sunos*): here.
6537 2001-07-20 Catherine Moore <clm@redhat.com>
6539 * config/v850/v850.md (casesi): Generate LABEL_REF
6542 Fri Jul 20 14:12:57 CEST 2001 Jan Hubicka <jh@suse.cz>
6544 * i386-protos.h (ix86_zero_extend_to_Pmode): Declare.
6545 * i386.c (ix86_zero_extend_to_Pmode): Make global.
6546 * i386.md (strclrsi expander): Use it.
6548 Fri Jul 20 13:24:16 CEST 2001 Jan Hubicka <jh@suse.cz>
6550 * integrate.c (copy_insn_list): handle
6551 NOTE_INSN_DELETED_LABEL, as if it were CODE_LABEL.
6552 (copy_rtx_and_substitute): Likewise; behave to NOTE_INSN_DELETED_LABEL
6553 identically as to CODE_LABEL.
6555 * fold-const (fold): Convert A/B/C to A/(B*C) and
6558 * except.c (connect_post_landing_pads): Delete the RESX insns.
6560 2001-07-20 Aldy Hernandez <aldyh@redhat.com>
6562 * config/mips/mips.h (ISA_HAS_NMADD_NMSUB): New macro.
6564 * config/mips/mips.md (nmadd/nmsub): Use macro.
6566 2001-07-20 Nathan Sidwell <nathan@codesourcery.com>
6568 * cppinit.c (remove_dup_dir): Make static.
6569 (remove_dup_dirs): Make static. Only warn about preempting a
6570 system directory with a non-system directory.
6572 2001-07-19 Geoffrey Keating <geoffk@redhat.com>
6574 * ifcvt.c (noce_try_store_flag_constants): Correct order
6575 of parameters to trunc_int_for_mode.
6577 2001-07-19 Mark Mitchell <mark@codesourcery.com>
6579 * reorg.c (fill_simple_delay_slots): If an instruction might throw
6580 an exception that will be caught within this function, do not fill
6581 its delay slot with any subsequent instruction.
6583 2001-07-19 Steve Ellcey <sje@cup.hp.com>
6585 * tm.texi (POINTERS_EXTEND_UNSIGNED) Modify definition.
6586 * optabs.c (can_extend_p) Check HAVE_ptr_extend for a specialized
6587 pointer extension instruction.
6588 * combine.c (nonzero_bits,num_sign_bit_copies) Likewise.
6589 * simplify-rtx.c (simplify_unary_operation) Likewise.
6590 * explow.c (convert_memory_address) Check value of
6591 POINTERS_EXTEND_UNSIGNED to avoid some conversions when
6593 * config/ia64/t-hpux (LIBGCC, INSTALL_LIBGCC, MULTILIB_OPTIONS,
6594 MULTILIB_DIRNAMES, MULTILIB_MATCHES) Add multilib support.
6595 * config/ia64/hpux.h (CPP_SPEC, ASM_SPEC, SUBTARGET_SWITCHES)
6596 Add Multilib Support.
6597 (POINTERS_EXTEND_UNSIGNED) Define for ILP32 support.
6598 * config/ia64/ia64.h (MASK_ILP32, TARGET_ILP32, SUBTARGET_SWITCHES)
6599 Add Multilib Support.
6600 (POINTER_SIZE, LONG_TYPE_SIZE, MAX_LONG_TYPE_SIZE) Modify for ILP32
6602 * config/ia64/ia64.c (rtx_needs_barrier) Add support for addp4.
6603 * config/ia64/ia64.md (ptr_extend) New instruction to "swizzle"
6604 a 32 bit HP-UX pointer into a 64 bit HP-UX pointer.
6606 2001-07-19 Alexandre Oliva <aoliva@redhat.com>
6608 * simplify-rtx.c (simplify_replace_rtx): Try to obtain mode from
6609 old and new operands in `<', `3' and `b'.
6611 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
6613 * Makefile.in (emit-rtl.o, c-decl.o): Depend on debug.h.
6614 (final.o): Don't depend on xcoffout.h, dbxout.h or sdbout.h.
6615 (toplev.o): Don't depend on xcoffout.h.
6616 * c-decl.c: Include debug.h
6617 (duplicate_decls): Use debug hook.
6618 * dbxout.c (dbxout_source_file, dbxout_args): Make static.
6619 (dbx_debug_hooks, xcoff_debug_hooks): Update.
6620 (dbxout_types): Remove.
6621 * dbxout.h (dbxout_source_file, dbxout_types, dbxout_args): Remove.
6622 * debug.c (do_nothing_debug_hooks): Update.
6623 (debug_true_tree, debug_nothing_rtx): New.
6624 * debug.h (struct rtx_def): New.
6625 (struct gcc_debug_hooks): New hooks ignore_block,
6626 outlining_inline_function and label.
6627 (debug_true_tree, debug_nothing_rtx, dwarf2out_frame_init,
6628 dwarf2out_frame_finish): New.
6629 * dwarf2out.c (dwarf2out_ignore_block, dwarf2out_abstract_function):
6630 Make static, update prototype.
6631 (dwarf2_debug_hooks): Update.
6632 * dwarf2out.h (dwarf2out_ignore_block, dwarf2out_abstract_function,
6633 dwarf2out_frame_init, dwarf2out_frame_finish): Remove.
6634 * dwarfout.c (dwarf_debug_hooks): Update.
6635 * emit-rtl.c: Include debug.h.
6636 (remove_unnecessary_notes): Use debug hook.
6637 * final.c: Don't include dbxout.h, xcoffout.h or sdbout.h.
6638 (final_scan_insn): Use debug hook.
6639 * integrate.c (output_inline_function): Use debug hook.
6640 * sdbout.c (sdbout_toplevel_data, sdbout_label): Make static.
6641 (sdb_debug_hooks): Update.
6642 * sdbout.h (sdbout_label, sdbout_toplevel_data): Remove.
6643 * toplev.c: Don't include xcoffout.h.
6644 (note_outlining_of_inline_function, debug_ignore_block): Remove.
6645 * toplev.h (note_outlining_of_inline_function, debug_ignore_block):
6647 * tree.h (dwarf2out_do_frame): Remove.
6649 2001-07-19 Catherine Moore <clm@cygnus.com>
6651 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Restore.
6653 2001-07-19 Geoffrey Keating <geoffk@redhat.com>
6655 * reload1.c (eliminate_regs_in_insn): When updating a set
6656 to the frame pointer to the hardware frame pointer, perform
6657 the update always not just when REPLACE is set.
6659 * reload1.c (choose_reload_regs): Don't inherit a reload
6660 that crosses multiple registers if registers past the first
6661 don't fit in the desired class.
6663 * ifcvt.c (noce_try_store_flag_constants): Use trunc_int_for_mode
6664 when negating constants.
6666 2001-07-19 Toon Moene <toon@moene.indiv.nluug.nl>
6668 * tree.def: Document restriction on {L|R}SHIFT_EXPR's second argument.
6669 * doc/tree.texi: Ditto.
6671 2001-07-19 Mark Kettenis <kettenis@wins.uva.nl>
6672 Jakub Jelinek <jakub@redhat.com>
6674 * unwind-dw2.c (_Unwind_FrameState): Add eh_ptr.
6675 (extract_cie_info): Handle "eh" augmentation properly,
6677 (struct frame_state, __frame_state_for): New.
6679 2001-07-19 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6681 * config/alpha/osf.h (ASM_OUTPUT_WEAK_ALIAS, ASM_WEAKEN_LABEL,
6682 HANDLE_SYSV_PRAGMA): Define.
6683 * mips-tfile.c (add_ext_symbol): Pass complete symbol ptr, inline
6685 (copy_object): Caller changed.
6687 2001-07-19 Andreas Schwab <schwab@suse.de>
6689 * configure.in (assembler dwarf2 debug_line support): Define nop
6691 * configure: Regenerated.
6693 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
6695 * Makefile.in (toplev.o, dwarfout.o, final.o): Don't depend on
6697 * dbxout.c (dbxout_function): Rename dbxout_funciton_decl, move
6698 to conditionally compiled block.
6699 (dbx_debug_hooks, xcoff_debug_hooks): Update.
6700 * dbxout.h (dbxout_function): Remove.
6701 * debug.c (do_nothing_debug_hooks): Update.
6702 * debug.h (struct gcc_debug_hooks): New hooks function_decl,
6703 global_decl, deferred_inline_function.
6704 * dwarf2out.c (dwarf2_debug_hooks): Update.
6705 (dwarf2out_global_decl): New.
6706 * dwarfout.c: Don't include dwarfout.h.
6707 (dwarfout_global_decl, dwarfout_function_decl,
6708 dwarfout_deferred_inline_function): New.
6709 (dwarf_debug_hooks): Update.
6710 * dwarfout.h: Remove.
6711 * final.c: Don't include dwarfout.h.
6712 * sdbout.c (sdbout_global_decl): New.
6713 (sdbout_debug_hooks): Update.
6714 * toplev.c: Don't include dwarfout.h.
6715 (check_global_declarations, rest_of_compilation): Use new debug hooks.
6716 (note_deferral_of_defined_inline_function): Remove.
6717 * toplev.h (note_deferral_of_defined_inline_function): Remove.
6718 * ch/Makefile.in (lex.o): No dependence on dwarfout.h.
6719 * ch/lex.c: Don't include dwarfout.h.
6720 * cp/Make-lang.in (decl2.o): No dependence on dwarfout.h, dwarf2out.h.
6721 (semantics.o, optimize.o): Depend on debug.h not dwarfout.h.
6722 * cp/decl2.c: Don't include dwarfout.h and dwarf2out.h.
6723 * cp/optimize.c: Include debug.h.
6724 (maybe_clone_body): Use debug hook.
6725 * cp/semantics.c: Include debug.h.
6726 (expand_body): Use debug hook.
6727 * po/POTFILES.in: Remove dwarfout.h.
6729 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
6731 * c-lex.c (c_lex): Remove CPP_INT, CPP_FLOAT cases.
6732 * c-parse.in (yyerror, _yylex): Similarly.
6733 * cppexp.c (parse_number, parse_defined, lex, _cpp_parse_expr):
6734 Don't use CPP_INT, CPP_FLOAT; CPP_NUMBER is enough.
6736 * cpplib.h (CPP_INT, CPP_FLOAT): Remove.
6737 * cp/spew.c (read_token, yyerror): Remove CPP_INT, CPP_FLOAT cases.
6739 2001-07-18 Jeff Sturm <jsturm@one-point.com>
6741 * dwarf2out.c (dwarf2out_abstract_function): Don't emit
6742 in-class declaration at -g1. Fixes c++/2814.
6744 2001-07-18 Richard Henderson <rth@redhat.com>
6746 * doc/md.texi (reload_in/out): Document restrictions in predicates
6747 and constraints for these patterns. Document empty string matching
6750 2001-07-18 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6752 * defaults.h (ASM_OUTPUT_WEAK_ALIAS): Check for ASM_WEAKEN_LABEL.
6754 Wed Jul 18 20:47:36 CEST 2001 Jan Hubicka <jh@suse.cz>
6756 * cse.c: Undo my previous patch.
6758 2001-07-18 Tom Tromey <tromey@redhat.com>
6761 * configure: Rebuilt.
6762 * configure.in: Don't check for iconv.h or iconv(); use AM_ICONV
6764 * aclocal.m4 (AM_ICONV): New macro from Bruno Haible.
6766 Wed Jul 18 18:46:30 CEST 2001 Richard Henderson <rth@cygnus.com>
6767 Jan Hubicka <jh@suse.cz>
6769 * flow.c (redirect_edge_and_branch): Bail out on complex edges.
6770 (try_optimize_cfg): Do not remove tail recursive labels before sibcall.
6771 * jump.c (mark_jump_label): Do not forward branches.
6773 Wed Jul 18 18:35:01 CEST 2001 Jan Hubicka <jh@suse.cz>
6775 * cse.c (delete_trivially_dead_insns): Delete the libcall block
6776 when return value is unused.
6778 Wed Jul 18 18:28:16 CEST 2001 Jan Hubicka <jh@suse.cz>
6780 * gcse.c (pre_insert_copy_insn): Call update_ld_motion_stores.
6782 Wed Jul 18 12:05:29 2001 Nicola Pero <n.pero@mi.flashnet.it>
6784 * gthr-posix.h (__gthread_objc_mutex_trylock): Fixed return value
6785 on error. We can't blindly return the result of
6786 pthread_mutex_trylock because it returns a positive number on
6787 error, while we must return -1 on error.
6788 (__gthread_objc_mutex_lock, __gthread_objc_mutex_unlock): Similar
6790 Reported by Stephen Brandon <stephen@brandonitconsulting.co.uk>.
6792 2001-07-18 Andreas Jaeger <aj@suse.de>
6794 * integrate.c (output_inline_function): Correct type of debug_hooks.
6796 2001-07-18 Toon Moene <toon@moene.indiv.nluug.nl>
6798 * combine.c (combine_simplify_rtx): DIV can be treated
6799 associatively for floats if unsafe math optimisations are enabled.
6801 2001-07-17 Richard Henderson <rth@redhat.com>
6803 * reload.c (push_secondary_reload): Accept empty-string for ALL_REGS.
6805 2001-07-17 Richard Henderson <rth@redhat.com>
6807 * calls.c (prepare_call_address): New parameter SIBCALLP. If true,
6808 don't force the function address into a register.
6809 (expand_call, emit_library_call_value_1): Update callers.
6810 * builtins.c (expand_builtin_apply): Likewise.
6811 * expr.h (prepare_call_address): Update decl.
6813 2001-07-17 Chandrakala Chavva <cchavva@redhat.com>
6815 * config.gcc: For *-*-chorusos triplet, get chorus.h file from
6817 * config/i386/chorus.h: Move up.
6818 * config/sparc/chorus.h: Likewise.
6819 * config/rs6000/chorus.h: Likewise.
6820 * config/chorus.h: Moved here.
6822 2001-07-17 Andreas Schwab <schwab@suse.de>
6824 * configure.in (assembler eh_frame optimization): Handle big
6826 * configure: Regenerated.
6828 Tue Jul 17 23:43:31 CEST 2001 Jan Hubicka <jh@suse.cz>
6830 * expr.c (epxand_expr): Convert divisions into multiplications by
6831 reciprocals if -ffast-math.
6833 2001-07-17 Neil Booth <neil@daikokuya.demon.co.uk>
6835 * dbxout.c (dbxout_really_begin_function): Rename to
6836 dbxout_begin_function.
6837 (dbx_debug_hooks, xcoff_debug_hooks): Update.
6838 (dbxout_begin_function): Remove.
6839 (dbxout_function): Update.
6840 (dbxout_source_line): Update prototype.
6841 * dbxout.h (dbxout_begin_function): Remove.
6842 * debug.c (do_nothing_debug_hooks): Update.
6843 (debug_nothing_tree): Update.
6844 (debug_nothing_charstar_rtx): Remove.
6845 * debug.h (union tree_node): Declare.
6846 (struct rtx_def): Remove.
6847 (gcc_debug_hooks): New hooks begin_prologue, end_prologue,
6848 begin_function. Change source_line prototype.
6849 (debug_nothing_tree): New.
6850 (debug_nothing_charstar_rtx): Delete.
6851 (dwarf2out_begin_prologue): Moved from ...
6853 * dwarf2out.c (dwarf2_debug_hooks): Update.
6854 (dwarf2out_begin_prologue): Update prototype. If genuine dwarf2
6855 debug info, call dwarf2out_source_line.
6856 (dwarf2out_souce_line): Update prototype.
6857 * dwarfout.c (dwarfout_begin_function): Rename dwarfout_end_prologue.
6858 Change prototype, make static.
6859 (dwarfout_source_line): Update prototype.
6860 (dwarf_debug_hooks): Update.
6861 * dwarfout.h (dwarfout_begin_function): Remove.
6862 * final.c (final_start_function, final_scan_insn): Use appropriate
6863 debug hooks, update to use notice_source_line.
6864 (output_source_line): Rename notice_source_line. Don't call the
6865 source_line debug hook.
6866 * sdbout.c (sdbout_begin_function): Rename sdbout_begin_prologue,
6867 make static, update prototype.
6868 (sdbout_mark_begin_function): Rename sdbout_begin_function, update
6870 (sdbout_end_prologue): New.
6871 (sdbout_source_line): Update prototype.
6872 (sdbout_debug_hooks): Update.
6873 (sdbout_symbol): Remove unused var.
6874 * sdbout.h (sdbout_begin_function, sdbout_mark_begin_function):
6876 * varasm.c: Include debug.h.
6877 (assemble_start_function): Use begin_function debug_hook.
6878 * xcoffout.c (xcoffout_begin_prologue): Rename xcoffout_begin_function,
6879 update with prototype.
6880 (xcoffout_source_line): Update prototype.
6881 * xcoffout.h (xcoffout_begin_prologue): Rename xcoffout_begin_function,
6883 (xcoffout_source_line): Update prototype.
6885 2001-07-17 Richard Henderson <rth@redhat.com>
6887 * c-typeck.c (build_binary_op): Do not shorten unsigned
6888 right shift after sign extension.
6890 Tue Jul 17 16:56:05 CEST 2001 Jan Hubicka <jh@suse.cz>
6892 * combine.c (combine_simplify_rtx): Attempt to simplify
6893 a*(b/c) as (a*b)/c for floats in unsafe_math mode.
6895 * simplify-rtx.c (avoid_constatn_pool_reference): New static function.
6896 (simplify_binary_operation, simplify_unary_operation,
6897 simplify_relational_operation): Use it.
6899 * combine.c (combine_simplify_rtx): Don't do associative law
6900 on divisions; allow associative law on floats.
6902 2001-07-17 H.J. Lu <hjl@gnu.org>
6903 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6905 * c-pragma.h (HANDLE_PRAGMA_WEAK): Define iff ASM_WEAKEN_LABEL and
6906 ASM_OUTPUT_WEAK_ALIAS are defined.
6907 * defaults.h (ASM_OUTPUT_WEAK_ALIAS): Define if possible.
6908 * config/mips/iris6.h (ASM_OUTPUT_WEAK_ALIAS, ASM_WEAKEN_LABEL):
6910 * config/mips/iris5.h: ... here.
6911 (HANDLE_SYSV_PRAGMA): Defined as 1.
6912 * varasm.c (weak_finish): Use ASM_OUTPUT_WEAK_ALIAS.
6913 * doc/tm.texi (ASM_OUTPUT_WEAK_ALIAS): Support the undefined weak
6916 2001-07-17 Joseph S. Myers <jsm28@cam.ac.uk>
6918 * c-parse.in (all_prefix_attributes): New variable.
6919 (PUSH_DECLSPEC_STACK, POP_DECLSPEC_STACK): New macros.
6920 (maybe_resetattrs): New production.
6921 (c_parse_init, datadef, fndef, datadecl, setspecs, setattrs, decl,
6922 maybe_type_quals_setattrs, initdecls, notype_initdecls, initdcl,
6923 notype_initdcl, nested_function, notype_nested_function,
6924 component_decl, components, components_notype,
6925 component_declarator, component_notype_declarator,
6926 absdcl_maybe_attribute, parm, firstparm, setspecs_fp, ivar_decl,
6927 ivars, mydecl, myparm): Update. Avoid prefix attributes just
6928 after a comma being applied to more than one declarator.
6929 * doc/extend.texi (Attribute Syntax): Update. Remove
6930 documentation of bugs that are no longer present.
6932 2001-07-13 Eric Christopher <echristo@redhat.com>
6934 * config/mips/mips.h: Change TUNE_MIPS* options to use
6936 (EXTRA_SPECS): Add cc1_cpu_spec.
6937 * config/mips/mips.md (muldf3): Fix typo.
6939 2001-07-16 Richard Henderson <rth@redhat.com>
6941 * config/m68k/m68k.c: Include expr.h and reload.h.
6942 (print_operand_address) [16 bit int]: Cast INTVAL to int for %d.
6943 [general int]: Use HOST_WIDE_INT_PRINT_DEC.
6945 2001-07-16 Daniel Berlin <dan@cgsoftware.com>
6946 Richard Henderson <rth@redhat.com>
6948 * cse.c (set_live_p): Take INSN argument for cc0; update callers.
6949 (insn_live_p): Fix fall off end of function.
6950 (dead_libcall_p): Remove COUNTS argument; update callers.
6951 (delete_trivially_dead_insns): Remove unused variables.
6953 2001-07-17 Andreas Jaeger <aj@suse.de>
6955 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Fix output format for
6958 * lcm.c (optimize_mode_switching): Avoid warning for unused
6959 variable if !NORMAL_MODE.
6961 * flow.c (try_crossjump_to_edge): Remove unused variable.
6963 2001-07-16 John David Anglin <dave@hiauly1.hia.nrc.ca>
6965 * inclhack.def (ultrix_atexit_param): New hack to fix ultrix 4.3
6966 atexit declaration in stdlib.h.
6968 2001-07-16 Richard Begg <Richard.Begg@colesmyer.com.au>
6970 * fixinc/inclhack.def(hpux_vsnprintf): brokenness in stdio.h
6972 Mon Jul 16 22:48:00 CEST 2001 Jan Hubicka <jh@suse.cz>
6974 * basic-block.h (CLEANUP_PRE_SIBCALL): New constant.
6975 * except.c (finish_eh_generation): Update call of cleanup_cfg;
6976 do rebuild_jump_labels instead of jump_optimize
6977 * sibcall.c (optimize_sibling_and_tail_recursive_call): Likewise.
6978 * toplev.c (rest_of_compulation): Likewise for -Wreturn_type.
6979 * flow.c (try_optimize_cfg): Remove unneeded code_labels.
6981 * flow.c: Include timevar.h
6982 (find_basic_block): Push/pop timevar;
6983 (cleanup_cfg): Likewise.
6984 * timevar.def (TV_CFG, TV_CLEANUP_CFG): New.
6985 * Makefile: Add dependencies on timevar.h
6987 * integrate.c (save_for_inline): Kill all BASIC_BLOCK notes.
6988 (copy_insn_list): Avoid killing of BASIC_BLOCK notes.
6990 * rtl.h (delete_trivially_dead_insns): Add new parameter.
6991 * toplev.c (rest_of_compilation): Update calls.
6992 * cse.c (set_live_p, insn_live_p, dead_libcall_p): Break out from ...
6993 (delete_trivially_dead_insns): ... here; accept new argument
6994 preserve_basic_blocks; preserve basic blocks if set.
6996 * reg-stack.c (stack_regs_mentioned): Return 0 if
6997 stack_regs_mentioned_data is not initialized.
6998 (reg_to_stack): Make stack_regs_mentioned survive after the
6999 reg-stack is completted; do not call cleanup_cfg.
7000 * toplev.c (rest_of_compilation): Do cleanup_cfg before bb-reorder;
7001 make cleanup_cfg after bb-reorder to output to debug file.
7003 2001-07-16 Richard Henderson <rth@redhat.com>
7005 * regclass.c (init_reg_sets): Use only 32 bits per initializer
7006 from int_reg_class_contents.
7008 2001-07-16 Richard Henderson <rth@redhat.com>
7010 * hard-reg-set.h (regs_invalidated_by_call): Declare.
7011 * regclass.c (regs_invalidated_by_call): Move from cse.c.
7012 (init_reg_sets_1): Move initialization from cse_main.
7013 * cse.c (regs_invalidated_by_call): Move to regclass.c.
7014 (cse_main): Move its initialization also.
7015 * df.c (df_insn_refs_record): Use regs_invalidated_by_call.
7016 * flow.c (propagate_one_insn): Likewise.
7017 * gcse.c (compute_hash_table): Likewise.
7018 (compute_kill_rd, compute_store_table): Likewise.
7019 * sched-deps.c (sched_analyze_1): Likewise.
7021 Mon Jul 16 18:07:07 2001 J"orn Rennecke <amylaar@redhat.com>
7023 * gcse.c (pre_insert_copy_insn): Use gen_move_insn instead of
7026 2001-07-16 Steve Ellcey <sje@cup.hp.com>
7028 * dominance.c (calc_dfs_tree_nonrec): Reverse order of tests
7029 in if statement so we don't access undefined memory.
7031 2001-07-16 Daniel Berlin <dan@cgsoftware.com>
7033 * gcse.c: Update comment at top.
7034 Update comment on mem handling.
7035 mem_last_set, mem_first_set, mem_set_in_block: gone.
7036 Declaration of reg_set_info: gone.
7037 (oprs_unchanged_p): Don't use mem_*set_* anymore. They are
7038 pointless with load_killed_in_block_p (they are *more*
7039 conservative then it, not less, and less accurate).
7040 (oprs_not_set_p): Ditto.
7041 (alloc_gcse_mem): Don't allocate mem_set_in_block
7042 (free_gcse_mem): Don't free it, either.
7043 (record_last_mem_set_info): Update comment in front, remove
7044 mem_*set_* stuff. Note the reason we don't handle stores directly
7046 (compute_hash_table): Update comments to reflect reality. Remove
7047 mem_*set_* references.
7048 (reset_opr_set_tables): Remove mem_*set_* references.
7050 (mark_set): Ditto. Also remove double sets of bitmaps for REG's.
7051 (mark_clobber): Ditto (on both parts, we double set here too).
7052 (expr_killed_p): Remove mem_set_in_block test.
7053 (compute_transp): Remove mem_set_in_block test.
7055 * ssa-ccp.c: (optimize_unexecutable_edges): Add note about removal
7056 of edge, and removal of phi alternative to dump file.
7057 (ssa_ccp_substitute_constants): Add note about register now being
7058 constant, and which uses were replaced in what insns to dump file.
7060 2001-07-16 Andreas Jaeger <aj@suse.de>
7062 * gcov.c (output_data): Use HOST_WIDEST_INT_PRINT_DEC to output
7063 variables of type HOST_WIDEST_INT.
7065 * libgcc2.c (__bb_exit_func): Handle gcov_type as long long.
7066 (__bb_exit_func): Correct type of count_max to avoid overflow.
7067 (num_digits): Handle long long argument.
7069 * combine.c (gen_lowpart_for_combine): Remove unused variable.
7071 2001-07-16 Neil Booth <neil@cat.daikokuya.demon.co.uk>
7073 * output.h (sdb_begin_function_line): Restore as an extern
7075 * sdbout.c (sdb_begin_function_line): Make extern.
7077 2001-07-15 Richard Henderson <rth@redhat.com>
7079 * machmode.def (Pmode): Redefine if GENERATOR_FILE.
7080 * genrecog.c (maybe_both_true_mode): New.
7081 (maybe_both_true_2): Use it.
7082 (write_switch): Don't put Pmode in a switch.
7083 * rtl.c (mode arrays): Don't explicitly size them.
7085 Sun Jul 15 14:07:36 CEST 2001 Jan Hubicka <jh@suse.cz>
7087 * toplev.c (rest_of_compilation): Fix register_life_up_to_date
7088 handling; move unconditional splitting before mode switching.
7090 * i386.md (type): Add fistp type.
7091 (i387, length_attr, scheduling definitions): Handle this type.
7092 (fix_trunc?f?i2): Revamp to use mode switching.
7093 (fix_trunct?f?i_nonmemory, fix_trunc?f?i_memory): New patterns.
7094 * i386.h (fp_cw_mode): New enum
7095 (OPTIMIZE_MODE_SWITCHING, NUM_MODES_FOR_MODE_SWITCHING, MODE_NEEDED,
7096 MODE_PRIORITY_TO_MODE, ENUM_MODE_SET): New macros.
7098 Sun Jul 15 12:53:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7100 * Makefile.in (integrate.o): Add debug.h.
7101 * integrate.c (debug.h): Add.
7102 (output_inline_function): Save, reset, and restore debug_hooks.
7104 2001-07-15 Richard Henderson <rth@redhat.com>
7106 * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use CCmode
7107 instead of COMPARE for the EQUIV expression.
7109 2001-07-15 Richard Henderson <rth@redhat.com>
7111 * flow.c (redirect_edge_and_branch_force): Initialize
7112 global_live_at_start and global_live_at_end.
7113 (allocate_bb_life_data): Export.
7114 * basic-block.h (allocate_bb_life_data): Declare.
7115 * toplev.c (rest_of_compilation): Call it.
7117 2001-07-15 Richard Henderson <rth@redhat.com>
7119 * config/alpha/alpha.c (alpha_tablejump_addr_vec): New.
7120 (alpha_tablejump_best_label): New.
7121 * config/alpha/alpha-protos.h: Declare them.
7122 * config/alpha/alpha.md: Use braced strings for code blocks.
7123 (tablejump_osf): Break out add with r29.
7124 (tablejump_osf_internal): Remove.
7125 (tablejump_osf_nt_internal): Rename from tablejump_nt_internal,
7126 use alpha_tablejump_addr_vec and alpha_tablejump_best_label.
7128 Sun Jul 15 00:53:35 CEST 2001 Jan Hubicka <jh@suse.cz>
7130 * loop.c (scan_loop): Add USEs inside PARALLELs into dependencies
7133 * toplev.c (rest_of_compilation): Allow new pseudoes for mode switching.
7135 * i386-protos.h (ix86_split_fp_branch): Update prototype.
7136 (ix86_fp_jump_nontrivial_p): New.
7137 * i386.md (fp_jcc_?): Update call of split_fp_branch;
7138 use ix86_fp_jump_nontrivial_p.
7139 * i386.c (ix86_fp_jump_nontrivial_p): New.
7140 (ix86_split_fp_branch): Accept code instead of rtx.
7141 (ix86_expand_compare): Expand comparison early in case
7142 doing so is resonably cheap.
7144 2001-07-15 Nick Clifton <nickc@cambridge.redhat.com>
7146 * config/rs6000/sysv4.h (CPP_ENDIAN_BIG_SPEC): Assert 'endian'
7148 (CPP_ENDIAN_LITTLE_SPEC): Assert 'endian' not 'machine'.
7149 (CPP_ENDIAN_SOLARIS_SPEC): Assert 'endian' not 'machine'.
7151 2001-07-15 Neil Booth <neil@daikokuya.demon.co.uk>
7153 * dbxout.c (dbxout_source_line): Make static, update prototype.
7154 (dbx_debug_hooks, xcoff_debug_hooks): Add new hooks.
7155 (dbxout_init, dbxout_finish, dbxout_source_line,
7156 dbxout_begin_block, dbxout_end_block): Update for new prototypes.
7157 * dbxout.h (dbxout_source_line): Delete.
7158 * debug.c (debug_nothing_file, debug_nothing_file_int,
7159 debug_nothing_file_charstar_rtx): New.
7160 (do_nothing_debug_hooks): Update.
7161 (debug_nothing_void, debug_nothing_charstar_rtx,
7162 dwarf2out_end_epilogue): New.
7163 (debug_nothing_file_charstar, debug_nothing_file_int_int): Rename.
7164 * debug.h (struct rtx_def): Declare.
7165 (gcc_debug_hooks): New hooks source_line, end_epilogue
7167 (debug_nothing_void, debug_nothing_charstar_rtx,
7168 dwarf2out_end_epilogue): New.
7169 (debug_nothing_file_charstar, debug_nothing_file_int_int): Rename.
7170 * dwarf2out.c (dwarf2out_source_line): Make static, update prototype.
7171 (dwarf2_debug_hooks): Update.
7172 (dwarf2out_init, dwarf2out_finish, dwarf2out_source_line,
7173 dwarf2out_begin_block, dwarf2out_end_block): Update for new prototypes.
7174 * dwarf2out.h (dwarf2out_source_line): Remove.
7175 * dwarfout.c (dwarfout_end_epilogue, dwarfout_end_function):
7176 Make static, update prototype.
7177 (dwarfout_init, dwarfout_finish, dwarfout_source_line,
7178 dwarfout_begin_block, dwarfout_end_block): Update for new prototypes.
7179 (dwarf_debug_hooks): Update.
7180 * dwarfout.h (dwarfout_end_epilogue, dwarfout_source_line,
7181 dwarfout_end_function): Remove.
7182 * final.c (profile_function): Use debug hooks for ending functions
7184 (output_source_line, final_end_function): Update prototype,
7186 (final_start_function, final_scan_insn): Update.
7187 * output.h (sdb_begin_function_line): Remove.
7188 (final_end_function): Update prototype.
7189 * sdbout.c (sdb_begin_function_line): Make static.
7190 (PUT_SDB_EPILOGUE_END): Move to sdbout_end_epilogue.
7191 (sdbout_source_line): New.
7192 (sdbout_end_epilogue, sdbout_end_function): Make static, update
7194 (sdb_debug_hooks): Update.
7195 (sdbout_init, sdbout_source_line,
7196 sdbout_begin_block, sdbout_end_block): Update for new prototypes.
7197 * sdbout.h (sdbout_end_epilogue, sdbout_end_function): Remove.
7198 * toplev.c (compile_file, rest_of_compilation): Update.
7199 * tree.h (dwarf2out_end_epilogue): Move to debug.h.
7200 * xcoffout.c (xcoffout_source_line, xcoffout_begin_block,
7201 xcoffout_end_block, xcoffout_end_epilogue, xcoffout_end_function):
7202 Update for prototype changes.
7203 * xcoffout.h (xcoffout_source_line, xcoffout_begin_block,
7204 xcoffout_end_block, xcoffout_end_epilogue): Update prototypes.
7206 2001-07-15 Richard Henderson <rth@redhat.com>
7208 * config/alpha/alpha.h (TARGET_ABI_OSF): New.
7209 (TARGET_ABI_WINDOWS_NT, TARGET_ABI_OPEN_VMS): Rename; update users.
7210 * config/alpha/alpha-protos.h: Update TARGET_ABI_* users.
7211 * config/alpha/alpha.c: Likewise.
7212 * config/alpha/alpha.md: Likewise.
7213 * config/alpha/alpha32.h: Likewise.
7214 * config/alpha/vms.h: Likewise.
7217 2001-07-14 Richard Henderson <rth@redhat.com>
7219 * config/alpha/alpha.md: Use define_constants for unspec values.
7220 Substitute throughout.
7222 2001-07-14 Tim Josling <tej@melbpc.org.au>
7224 * tree.def (EXPON_EXPR) remove. Never supported anyway.
7226 2001-07-14 John David Anglin <dave@hiauly1.hia.nrc.ca>
7228 * pa.md: Remove unused constraints from define_split's.
7230 2001-04-14 Richard Henderson <rth@redhat.com>
7232 * ifcvt.c (find_cond_trap): Test for exit block.
7234 Sun Jul 15 00:50:20 CEST 2001 Jan Hubicka <jh@suse.cz>
7236 Re-install recently reverted patch.
7237 * emit-rtl.c (try_split): Update mark_jump_label call.
7238 * flow.c (find_sub_basic_blocks): Likewise.
7239 * jump.c (cross_jump_death_matters, find_cross_jump, do_cross_jump,
7241 (mark_all_labels): Kill second parameter.
7242 (jump_optimize, jump_optimize_1): Kill cross_jump parameter.
7243 (rebuild_jump_labels, jump_optimize_minimal): Update call
7245 (jump_optimize_1): Kill crossjumping code.
7246 (mark_jump_label): Kill cross_jump parameter.
7247 * rtl.h (mark_jump_label, jump_optimize): Update prototypes.
7248 (JUMP_CROSS_JUMP, JUMP_CROSS_JUMP_DEATH_MATTERS): Kill.
7249 * reg-stack.c (reg_to_stack): Do not rebuild if not needed; do
7251 * toplev.c (enum dump_file_index): Kill DFI_jump2; put DFI_stack before
7253 (dump_file_info): Likewise.
7254 (rest_of_compilation): Update calls to jump_optimize; kill jump2 pass;
7255 reorganize passes to do reg-stack first, bb-reorder second.
7256 * invoke.texi (-d letters doc): Remove the jump2 pass.
7258 2001-07-14 Richard Henderson <rth@redhat.com>
7260 * ifcvt.c (find_cond_trap): New.
7261 (find_if_header): Call it.
7262 (merge_if_block): Relax existing jump sanity check.
7263 * jump.c (jump_optimize_1): Remove conditional trap handling.
7265 2001-07-14 Alan Modra <amodra@bigpond.net.au>
7267 * config/pa/pa.c (emit_hpdiv_const): Return reg is r2 for 64-bit
7269 (insn_refs_are_delayed): Correct comment.
7270 * config/pa/pa.h (INSN_REFERENCES_ARE_DELAYED): Likewise.
7271 * config/pa/pa.md (mulsi3): If TARGET_64BIT, clobber r2
7272 instead of r31. Make associated insn !TARGET_64BIT, and
7273 provide an additional 64-bit insn that clobbers r2.
7275 (udivsi3): Likewise.
7277 (umodsi3): Likewise.
7279 Sat Jul 14 02:58:38 CEST 2001 Jan Hubicka <jh@suse.cz>
7281 * bb-reorder.c (skip_insn_after_block): Get past the line number notes.
7283 * flow.c (redirect_edge_and_branch_force, split_edge,
7284 try_crossjump_to_edge): Use set_block_for_new_insns.
7285 * bb-reorder.c (emit_jump_to_block_after): Call set_block_for_new_insns.
7287 2001-07-13 H.J. Lu (hjl@gnu.org)
7289 * config/elfos.h (UNIQUE_SECTION): Enable .bss section with
7292 2001-07-13 Geoffrey Keating <geoffk@redhat.com>
7294 Revert H.J. Lu's UNIQUE_SECTION patch of 2001-07-13.
7296 2001-07-13 Joseph S. Myers <jsm28@cam.ac.uk>
7298 * c-common.c (decl_attributes): Take a pointer to the node to
7299 which attributes are to be attached, and a flags argument.
7300 * c-common.h (enum attribute_flags): New.
7301 (decl_attributes): Update prototype.
7302 * c-decl.c (start_decl, push_parm_decl, finish_struct,
7303 finish_enum, start_function): Update calls to decl_attributes.
7304 * c-parse.in (component_declarator, component_notype_declarator,
7305 label): Update calls to decl_attributes.
7307 Fri Jul 13 23:04:00 2001 Denis Chertykov <denisc@overta.ru>
7309 * config/avr/avr.md (strlenhi): PARALLEL keyword removed.
7310 * config/avr/avr.c (legitimate_address_p): Return value changed
7311 from letter to register classes. For better debugging.
7313 2001-07-13 Kazu Hirata <kazu@hxi.com>
7315 * jump.c (reversed_comparison_code_parts): Fix comment typos.
7317 2001-07-13 H.J. Lu (hjl@gnu.org)
7319 * config/elfos.h (UNIQUE_SECTION): Enable .bss section.
7321 2001-07-13 Marc Espie <espie@cvs.openbsd.org>
7323 * config.gcc (*-*-openbsd*): Add fragment to compile libgcc
7324 correctly for shared configurations.
7325 * config/t-libgcc-pic: New.
7326 * config/{i386,m68k,sparc}/t-openbsd: New.
7327 * config/openbsd.h: Include cpu_spec in cpp_spec where needed.
7328 Support -shared. Support debugging libraries with -g.
7329 * config/i386/openbsd.h: Correct ASM_COMMENT_START. Ensure dwarf2
7330 frame information does not emit pointer diffs.
7331 * config/sparc/openbsd.h: Ensure dwarf2 frame information does not
7334 2001-07-13 Geoffrey Keating <geoffk@redhat.com>
7336 Revert Jan Hubicka's patch of Fri Jul 13 14:46:21 CEST 2001.
7338 2001-07-13 David Edelsohn <edelsohn@gnu.org>
7340 * combine.c (try_combine): Ensure const_int pow2 is positive.
7342 2001-07-13 Hartmut Penner <hpenner@de.ibm.com>
7344 * config.gcc: Add configuration for s/390.
7345 * config/s390/s390.c: New. Subroutines for code generation.
7346 * config/s390/s390.h: New. Definitions for s/390.
7347 * config/s390/s390-protos.h: New. Prototypes.
7348 * config/s390/linux.h: New. Definitions for linux for s/390.
7349 * config/s390/linux64.h: New. Definitions for linux for zSeries.
7350 * config/s390/t-linux: New. Makefile fragment.
7351 * config/s390/s390.md: New. Machine description for s/390 and zSeries.
7352 * config/s390/fixdfdi.h: New. Fix L_fix*di.
7354 Fri Jul 13 14:46:21 CEST 2001 Jan Hubicka <jh@suse.cz>
7356 * emit-rtl.c (try_split): Update mark_jump_label call.
7357 * flow.c (find_sub_basic_blocks): Likewise.
7358 * jump.c (cross_jump_death_matters, find_cross_jump, do_cross_jump,
7360 (mark_all_labels): Kill second parameter.
7361 (jump_optimize, jump_optimize_1): Kill cross_jump parameter.
7362 (rebuild_jump_labels, jump_optimize_minimal): Update call
7364 (jump_optimize_1): Kill crossjumping code.
7365 (mark_jump_label): Kill cross_jump parameter.
7366 * rtl.h (mark_jump_label, jump_optimize): Update prototypes.
7367 (JUMP_CROSS_JUMP, JUMP_CROSS_JUMP_DEATH_MATTERS): Kill.
7368 * reg-stack.c (reg_to_stack): Do not rebuild if not needed; do
7370 * toplev.c (enum dump_file_index): Kill DFI_jump2; put DFI_stack before
7372 (rest_of_compilation): Update calls to jump_optimize; kill jump2 pass;
7373 reorganize passes to do reg-stack first, bb-reorder second.
7374 * invoke.texi (-d letters doc): Remove the jump2 pass.
7376 2001-07-12 Steve Ellcey <sje@cup.hp.com>
7378 * toplev.c (compile_file): Put call of ASM_FILE_START inside ifdef.
7380 Thu Jul 12 17:57:16 CEST 2001 Jan Hubicka <jh@suse.cz>
7382 * flow.c (try_optimize_cfg): Delete whole chain of trivially dead
7384 (verify_flow_info): Make diagnostics prettier.
7386 Thu Jul 12 16:48:54 CEST 2001 Jan Hubicka <jh@suse.cz>
7388 * flow.c (find_basic_blocks_1): Do not emit NOP after call.
7390 * flow.c (outgoing_edges_match): Return early if condition reversal
7393 2001-07-06 Richard Sandiford <rsandifo@redhat.com>
7395 * config/mips/mips.c (print_operand): Extend '%D' to memory operands.
7396 (mips_move_2words): When splitting a move into two instructions,
7397 prefix the second address operand with '%D'.
7399 2001-07-12 Neil Booth <neil@daikokuya.demon.co.uk>
7401 * Makefile.in (final.o): Depend on debug.h.
7402 * dbxout.c (dbxout_begin_block, dbxout_end_block): New.
7403 (dbx_debug_hooks): Add new hooks.
7404 (xcoff_debug_hooks): New.
7405 * debug.c (debug_nothing_file_int_int): New.
7406 (do_nothing_debug_hooks): Update.
7407 * debug.h (gcc_debug_hooks): New hooks begin_block and end_block.
7408 (debug_nothing_file_int_int): New.
7409 * dwarf2out.c (dwarf2out_begin_block, dwarf2out_end_block): Make
7410 static, update prototype.
7411 (dwarf2_debug_hooks): Update.
7412 * dwarf2out.h (dwarf2out_begin_block, dwarf2out_end_block): Remove.
7413 * dwarfout.c (dwarfout_begin_block, dwarfout_end_block): Make
7414 static, update prototype.
7415 (dwarf_debug_hooks): Update.
7416 * dwarfout.h (dwarfout_begin_block, dwarfout_end_block): Remove.
7417 * final.c: Include debug.h.
7418 (final_scan_insn): Use debug hooks when beginning and ending blocks.
7419 * sdbout.c (sdbout_begin_block, sdbout_end_block): Make
7420 static, update prototype.
7421 (sdb_debug_hooks): Update.
7422 * sdbout.h (sdbout_begin_block, sdbout_end_block): Remove.
7423 * toplev.c: Distinguish between xcoff and dbx.
7425 * f/lex.c (ffelex_file_pop_, ffelex_file_push_, ffelex_hash_):
7426 Call all debug hooks, not just dwarf ones.
7428 2001-07-11 Timothy Wall <twall@redhat.com>
7430 * config.gcc: Add configuration for AIX5/IA64.
7431 * config/ia64/aix.h: New. AIX5/IA64-specific configuration.
7432 * config/ia64/crt[in].asm: New. Generic static ctor/dtor
7433 support prefix/suffix code.
7434 * config/ia64/t-aix: New. Makefile fragment.
7435 * config/ia64/unwind-aix.c: New. Unwind table entry lookup.
7437 2001-07-11 Kazu Hirata <kazu@hxi.com>
7439 * recog.c (validate_change): Fix a comment typo.
7441 2001-07-11 Neil Booth <neil@daikokuya.demon.co.uk>
7443 * Makefile.in (c-lex.o): Wrap long lines. Depend on debug.h.
7444 * c-lex.c (cb_file_change, cb_define, cb_undef): Use debug
7446 * dbxout.c (dbx_debug_hooks): Add new hooks.
7447 (dbxout_start_new_source_file): Rename dbxout_start_source_file,
7449 (dbxout_resume_previous_source_file): Rename dbxout_end_source_file,
7451 * dbxout.h (dbxout_start_new_source_file,
7452 dbxout_resume_previous_source_file): Delete.
7453 * debug.c (do_nothing_debug_hooks): Add new hooks.
7454 (debug_nothing_init_finish): Rename debug_nothing_file_charstar.
7455 (debug_nothing_int_charstar, debug_nothing_int): New.
7456 * debug.h (gcc_debug_hooks): New hooks define, undef,
7457 start_source_file and end_source_file.
7458 (debug_nothing_init_finish): Rename debug_nothing_file_charstar.
7459 (debug_nothing_int_charstar, debug_nothing_int): New.
7460 * dwarf2out.c (dwarf2_debug_hooks): Add new hooks. Move into
7461 the conditionally compiled section.
7462 (dwarf2out_start_source_file, dwarf2out_end_source_file,
7463 dwarf2out_define, dwarf2out_undef): Make static.
7464 * dwarf2out.h (dwarf2out_start_source_file, dwarf2out_end_source_file,
7465 dwarf2out_define, dwarf2out_undef): Remove.
7466 * dwarfout.c (dwarf_debug_hooks): Add new hooks.
7467 (dwarfout_start_source_file, dwarfout_end_source_file,
7468 dwarfout_define, dwarfout_undef): Make static.
7469 (dwarfout_start_source_file_check,
7470 dwarfout_end_source_file_check): New.
7471 (dwarfout_define, dwarfout_finish): Update.
7472 * dwarfout.h (dwarfout_start_new_source_file,
7473 dwarfout_resume_previous_source_file, dwarfout_define,
7474 dwarfout_undef): Remove.
7475 * sdbout.c (sdb_debug_hooks): Add new hooks.
7476 (sdbout_start_new_source_file): Rename sdbout_start_source_file,
7478 (sdbout_resume_previous_source_file): Rename sdbout_end_source_file,
7479 make static, take an arg.
7480 * sdbout.h (sdbout_start_new_source_file,
7481 sdbout_resume_previous_source_file): Delete.
7482 * toplev.c (debug_start_source_file, debug_end_source_file,
7483 debug_define, debug_undef): Delete.
7484 * toplev.h (debug_start_source_file, debug_end_source_file,
7485 debug_define, debug_undef): Delete.
7487 * java/jcf-parse.c: Include debug.h.
7488 (parse_class_file): Update to use debug hooks directly.
7489 * java/Make-lang.in (jcf-parse.o): Depend on debug.h.
7491 Wed Jul 11 10:07:18 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7493 * alias.c (set_mem_alias_set): New function.
7494 * rtl.h (set_mem_alias_set): Declare it.
7495 * builtins.c (expand_builtin_return_addr): Call it instead of
7496 using MEM_ALIAS_SET accessor.
7497 (expand_builtin_setjmp_setup, expand_builtin_longjmp): Likewise.
7498 (get_memory_rtx, expand_builtin_va_arg): Likewise.
7499 (expand_builtin_va_copy):Likewise.
7500 * caller-save.c (setup_save_areas): Likewise.
7501 * calls.c (compute_argument_addresses): Likewise.
7502 * explow.c (set_mem_attributes): Likewise.
7503 * expr.c (emit_single_push_insn, emit_push_insn): Likewise.
7504 (expand_assignment, store_constructor_field, store_field): Likewise.
7505 (expand_expr_unaligned): Likewise.
7506 * function.c (assign_stack_temp_for_type): Likewise.
7507 (put_reg_into_stack, gen_mem_addressof): Likewise.
7508 * ifcvt.c (noce_try_cmove_arith): Likewise.
7509 * reload1.c (reload, alter_reg): Likewise.
7510 * config/alpha/alpha.c (get_aligned_mem): Likewise.
7511 (alpha_set_memflags_1, alpha_expand_unaligned_load): Likewise.
7512 (alpha_expand_unaligned_store): Likewise
7513 (alpha_expand_unaligned_load_words): Likewise.
7514 (alpha_expand_unaligned_store_words): Likewise.
7515 (alpha_expand_block_clear, alpha_expand_prologue): Likewise.
7516 (alpha_expand_epilogue): Likewise.
7517 * config/arc/arc.c (arc_setup_incoming_varargs): Likewise.
7518 * config/clipper/clipper.c (clipper_builtin_saveregs): Likewise.
7519 * config/i386/i386.c (legitimize_pic_address): Likewise.
7520 * config/i960/i960.c (setup_incoming_varargs): Likewise.
7521 * config/ia64/ia64.c (spill_restore_mem): Likewise.
7522 * config/m32r/m32r.c (m32r_setup_incoming_varargs): Likewise.
7523 * config/m8k/m88k.c (m88k_builtin_saveregs): Likewise.
7524 * config/mips/mips.c (mips_va_arg): Likewise.
7525 * config/mn10300/mn10300.c (mn10300_builtin_saveregs): Likewise.
7526 * config/pa/pa.c (hppa_builtin_saveregs): Likewise.
7527 * config/rs6000/rs6000.c (rs6000_emit_move): Likewise.
7528 (setup_incoming_varargs, rs6000_va_arg): Likewise.
7529 (rs6000_emit_eh_toc_restore, rs6000_emit_prologue): Likewise.
7530 (rs6000_emit_epilogue): Likewise.
7531 * config/sh/sh.c (sh_builtin_saveregs): Likewise.
7532 * config/sparc/sparc.c (sparc_va_arg): Likewise.
7533 * config/v850/v850.c (v850_va_arg): Likewise.
7535 Wed Jul 11 21:27:25 CEST 2001 Jan Hubicka <jh@suse.cz>
7537 * flow.c (merge_blocks_move_successor_nojumps): Do not crash
7538 when fallthru edge is present.
7539 (mege_blocks): Handle case where creation of jump insn
7542 * basic-block.h (CLEANUP_EXPENSIVE, CLEANUP_CROSSJUMP,
7543 CLEANUP_POST_REGSTACK): New constants.
7544 * except.c (finish_eh_generation): Update call of cleanup_cfg,
7545 * jump.c (rtx_renumbered_equal_p): Handle 't' fields.
7546 * output.h (cleanup_cfg): Update prototype.
7547 * reg-stack.c (reg_to_stack): Use cleanup_cfg instead of jump_optimize
7548 * sibcall.c (optimize_sibling_and_tail_recursive_call): Update
7549 cleanup_cfg call; kill missleading comment.
7550 * toplev.c (rest_of_compilation): Update all cleanup_cfg calls.
7551 * flow.c (merge_blocks, try_optimize_cfg, cleanup_cfg): Accept mode
7552 parameter; control optimizations performed using it.
7553 (flow_find_cross_jump, outgoing_edges_match, try_crossjump_to_edge,
7554 try_crossjump_bb): New functions.
7556 2001-07-11 John David Anglin <dave@hiauly1.hia.nrc.ca>
7558 * pa.c (pa_output_function_prologue): Delete prototype. Make function
7560 * pa.h (ASM_OUTPUT_MI_THUNK): Rename output_function_prologue to
7561 pa_output_function_prologue.
7562 * pa-protos.h (pa_output_function_prologue): New prototype.
7564 2001-07-11 John David Anglin <dave@hiauly1.hia.nrc.ca>
7566 * stmt.c (emit_case_nodes): Widen high and low instead of new_bound
7567 and low to get correct sign extension in low+high test.
7569 2001-07-11 Janis Johnson <janis@us.ibm.com>
7571 * gcov.c (arcdata): Use gcov_type to fix branch percentage
7572 for large hit count.
7574 * profile.c (branch_prob): Fix .bbg info for computed gotos
7577 2001-07-11 Mark Mitchell <mark@codesourcery.com>
7579 * stmt.c (parse_output_constraint): New function, split out
7581 (expand_asm_operands): ... here. Use parse_output_constraint.
7582 * tree.h (parse_output_constraint): Declare it.
7584 2001-07-11 Richard Henderson <rth@redhat.com>
7586 * bitmap.c: Comment some functions; fiddle whitespace.
7587 (bitmap_free): Don't export.
7588 (bitmap_element_allocate): Use memset.
7589 * bitmap.h (bitmap_free): Don't declare.
7591 2001-07-11 Daniel Berlin <dan@cgsoftware.com>
7593 * gcse.c, lcm.c, sched-deps.c:
7594 s/free on sbitmap vectors/sbitmap_vector_free on sbitmap vectors/g
7596 * flow.c (flow_loops_find): Free dom if we found no loops, since
7597 we aren't going to save it.
7599 * lcm.c (pre_edge_rev_lcm): Free st_antin, st_antout when we are
7602 Wed Jul 11 09:00:48 2001 Jeffrey A Law (law@cygnus.com)
7604 * ssa-ccp.c (ssa_fast_dce): Free worklist when completed.
7606 Wed Jul 11 10:07:18 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7608 * dwarf2out.c (dwarf2out_init, dwarf2out_finish): Add dummy version
7609 #ifndef DWARF2_DEBUGGING_INFO.
7611 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
7613 * simplify-rtx.c (simplify_gen_subreg): Return null for QUEUED rtxes.
7615 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
7617 * config/mips/mips.c (gen_int_relational): Tell the caller not to
7618 reverse a branch if a NE comparison is implemented with GTU.
7620 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
7621 H.J. Lu <hjl@gnu.org>
7623 * mips.md (call_internal1): Use CONSTANT_ADDRESS_P to check for
7625 (call_internal2): Likewise.
7626 (call_value_internal1): Likewise.
7627 (call_value_internal2): Likewise.
7628 (call_value_multiple_internal1): Likewise.
7629 (call_value_multiple_internal2): Likewise.
7631 2001-07-10 Kazu Hirata <kazu@hxi.com>
7633 * calls.c (emit_library_call_value_1): Fix a comment typo.
7634 * dwarf2out.c (mem_loc_descriptor): Likewise.
7635 * config/i386/i386.c (ix86_expand_aligntest): Likewise.
7637 2001-07-11 David Billinghurst <David.Billinghurst@riotinto.com>
7639 * simplify-rtx.c (simplify_subreg): Fix typo in comment
7641 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7643 * recog.c (offsettable_address_p): Handle LO_SUM case.
7644 * config/mips/mips.c (double_memory_operand): Use adjust_address_nv
7645 instead of plus_constant.
7647 2001-07-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
7649 * reload1.c (merge_assigned_reloads): After a RELOAD_OTHER merge,
7650 fix setting of the reloads of that reload to RELOAD_FOR_OTHER_ADDRESS.
7652 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7654 * config/rs6000/rs6000.c (print_operand, case 'L', 'Y', 'Z'): Use
7655 adjust_address_nv instead of plus_constant.
7657 2001-07-10 Neil Booth <neil@daikokuya.demon.co.uk>
7659 * Makefile.in (toplev.o, sdbout.o, dbxout.o, dwarfout.o,
7660 dwarf2out.o): Depend on debug.h, wrap long lines.
7661 * dbxout.c: Include debug.h.
7662 (dbx_debug_hooks): New.
7663 (dbxout_init): Make static, take just 2 args.
7664 (dbxout_finish): Make static.
7665 * dbxout.h (dbxout_init, dbxout_finish): Delete.
7666 * debug.c: New file.
7667 * debug.h: New file.
7668 * dwarf2out.c: Include debug.h.
7669 (dwarf2_debug_hooks): New.
7670 (dwarf2out_init): Make static.
7671 (dwarf2out_finish): Make static, take 2 args.
7672 * dwarf2out.h (dwarf2out_init, dwarf2out_finish): Delete.
7673 * dwarfout.c: Include debug.h.
7674 (dwarf_debug_hooks): New.
7675 (dwarfout_init): Make static.
7676 (dwarfout_finish): Make static, take 2 args.
7677 * dwarfout.h (dwarfout_init, dwarfout_finish): Delete.
7678 * sdbout.c: Include debug.h.
7679 (sdb_debug_hooks): New.
7680 (sdbout_init): Make static, take 2 args.
7681 * sdbout.h (sdbout_init): Delete.
7682 * toplev.c: Include debug.h.
7684 (compile_file): Set deubg_hooks based on command line options.
7685 Use the hooks unconditionally rather than conditional compilation.
7687 Tue Jul 10 09:04:45 2001 Jeffrey A Law (law@cygnus.com)
7689 * ssa-ccp.c (first_phi_node): Remove. Replace uses with calls to
7690 first_insn_after_basic_block_note instead.
7692 * df.c (df_bb_refs_unlink): #if 0 out for now.
7694 2001-07-10 David Billinghurst <David.Billinghurst@riotinto.com
7696 * ssa.h: Add prototype for ssa_const_prop
7697 * ssa-ccp.c: Add prototype for ssa_fast_dce and mark_references
7698 (ssa_ccp_substitute_constants): Fix signed vs unsigned comparison
7699 (ssa_fast_dce): Remove unused variable
7701 2001-07-10 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
7703 * diagnostic.c (finish_diagnostic): Rename to
7704 diagnostic_finish. Make it take an 'output_buffer *'. Adjust
7707 2001-07-10 Jason Merrill <jason_merrill@redhat.com>
7709 * dwarf2out.c (dwarf2out_line): Emit -dA comment even when we have
7712 * collect2.c (main): Set COLLECT_NO_DEMANGLE for subprocesses.
7713 (dump_file): Only pad the demangled name with spaces if the
7714 mangled name was padded with spaces.
7716 2001-07-10 Bernd Schmidt <bernds@redhat.com>
7718 * bb-reorder.c (make_reorder_chain_1): Correct branch/fallthru
7721 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7723 * expr.c (expand_expr, case COMPONENT_REF): Don't force using bitfield
7724 extraction if no direct load if either EXPAND_CONST_ADDRESS or
7727 * emit-rtl.c (adjust_address, adjust_address_nv): Change criteria for
7728 whether can put offset inside LO_SUM to check mode alignment, not size.
7730 2001-07-10 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
7732 * doc/tm.texi (Misc): Fix thinko.
7734 2001-07-10 Jan van Male <jan.vanmale@fenk.wau.nl>
7736 * regmove.c (replace_in_call_usage): Fix warnings.
7737 * sched-deps.c (add_dependence): Fix warnings.
7738 * simplify-rtx.c (simplify_subreg): Likewise.
7739 Return NULL_RTX instead of NULL.
7741 * reg-stack.c (emit_swap_insn): Eliminate warnings.
7742 (subst_asm_stack_regs): Likewise.
7744 * combine.c (num_sign_bit_copies): Cast bitwidth to int to avoid
7747 * dwarf2out.c (output_call_frame_info): Declare i as int.
7748 (build_abbrev_table): Declare n_alloc as int.
7749 (dwarf2out_finish): Initialize die.
7750 * except.c: Declare sjlj_funcdef_number as unsigned.
7751 (connect_post_landing_pads): Declare j as unsigned.
7752 (convert_to_eh_region_ranges): Initialize call_site.
7753 (output_function_exception_table): Initialize tt_format_size.
7754 * expr.c (move_by_pieces_1): Initialize to1.
7755 (store_constructor): Initialize minelt and maxelt.
7756 * flow.c (mark_regs_live_at_end): Declare i as unsigned.
7757 * function.c (instantiate_decls): Avoid signed/unsigned warning.
7759 * c-decl.c (combine_parm_decls): Unused, remove.
7760 * c-tree.h: Remove prototype for combine_parm_decls.
7762 * reload.c (push_reload): Fix warning.
7763 (regno_clobbered_p): Likewise.
7764 * reload1.c (replace_pseudos_in_call_usage): Likewise.
7765 (reload_combine): Likewise.
7767 * bitmap.c: Rename bitmap_zero to bitmap_zero_bits to fix warnings.
7768 * bitmap.h: Rename bitmap_zero to bitmap_zero_bits to fix
7770 * bitmap.c (bitmap_operation): Change user.
7771 * bitmap.h (EXECUTE_IF_AND_COMPL_IN_BITMAP): Likewise.
7773 2001-07-10 Eric Christopher <echristo@redhat.com>
7775 * config/mips/mips.c (override_options): Fix typo.
7777 2001-07-09 Stan Shebs <shebs@apple.com>
7779 * target.h (struct gcc_target): New fields init_builtins and
7781 * target-def.h (TARGET_INIT_BUILTINS): New macro.
7782 (TARGET_EXPAND_BUILTIN): New macro.
7783 (TARGET_INITIALIZER): Add them.
7784 * builtins.c: Include target.h.
7785 (expand_builtin): Use targetm.expand_builtin.
7786 (default_init_builtins): New function.
7787 (default_expand_builtin): New function.
7788 * expr.h (default_init_builtins): Declare.
7789 (default_expand_builtin): Declare.
7790 * c-common.c (c_common_nodes_and_builtins): Use
7791 targetm.init_builtins.
7792 * defaults.h (MD_INIT_BUILTINS): Remove.
7793 * Makefile.in (builtins.o): Depend on target.h.
7795 * config/arm/arm.c (TARGET_INIT_BUILTINS): Define.
7796 (TARGET_EXPAND_BUILTIN): Define.
7797 * config/arm/arm.h (MD_INIT_BUILTINS): Remove.
7798 (MD_EXPAND_BUILTIN): Remove.
7800 * config/c4x/c4x.c (TARGET_INIT_BUILTINS): Define.
7801 (TARGET_EXPAND_BUILTIN): Define.
7802 (c4x_init_builtins): Make endlink arg a local.
7803 (c4x_print_operand): Fix typos in adjust_address usages.
7804 * config/c4x/c4x-protos.h (c4x_init_builtins): Update decl.
7805 * config/c4x/c4x.h (MD_INIT_BUILTINS): Remove.
7806 (MD_EXPAND_BUILTIN): Remove.
7808 * config/i386/i386.c (TARGET_INIT_BUILTINS): Define.
7809 (TARGET_EXPAND_BUILTIN): Define.
7810 (ix86_init_mmx_sse_builtins): New function, was ix86_init_builtins.
7811 (ix86_init_builtins): Call new function only if TARGET_MMX.
7812 * config/i386/i386-protos.h (ix86_init_mmx_sse_builtins): Declare.
7813 * config/i386/i386.h (MD_INIT_BUILTINS): Remove.
7814 (MD_EXPAND_BUILTIN): Remove.
7816 * config/ia64/ia64.c (TARGET_INIT_BUILTINS): Define.
7817 (TARGET_EXPAND_BUILTIN): Define.
7818 * config/ia64/ia64.h (MD_INIT_BUILTINS): Remove.
7819 (MD_EXPAND_BUILTIN): Remove.
7821 * doc/tm.texi: Document these changes.
7823 2001-07-09 Diego Novillo <dnovillo@redhat.com>
7825 * basic-block.h (tree_node): Forward declare if needed.
7826 (struct basic_block_def): Add fields 'head_tree' and 'end_tree'.
7827 (BLOCK_HEAD_TREE): Define.
7828 (BLOCK_END_TREE): Define.
7829 (struct loops): Rename field 'tree' to 'tree_root'.
7830 * flow.c (entry_exit_blocks): Add initializers for 'head_tree' and
7832 (flow_loops_tree_build): Rename reference to field 'tree' to
7834 (flow_loops_level_compute): Ditto.
7835 * predict.c (estimate_bb_frequencies): Ditto.
7836 * tree.h (struct tree_common): Add field 'aux'.
7838 2001-07-09 Stan Shebs <shebs@apple.com>
7840 * config/darwin.c (darwin_encode_section_info): Don't mark any
7841 DECL_EXTERNAL node as defined.
7843 2001-07-09 John David Anglin <dave@hiauly1.hia.nrc.ca>
7845 * pa.c (pa_init_machine_status, pa_mark_machine_status,
7846 pa_free_machine_status, hppa_init_pic_save): Delete.
7847 (hppa_pic_save_rtx): New. Use get_hard_reg_initial_val.
7848 (hppa_profile_hook): Use hppa_pic_save_rtx.
7849 * pa.h (struct machine_function, PIC_OFFSET_TABLE_SAVE_RTX,
7850 hppa_init_pic_save): Delete.
7851 (hppa_pic_save_rtx): Declare.
7852 * pa.md (call, call_value, sibcall, sibcall_value,
7853 builtin_setjmp_receiver): Use hppa_pic_save_rtx.
7855 2001-07-09 Kazu Hirata <kazu@hxi.com>
7857 * config/h8300/t-h8300 (LIB1ASMFUNCS): Add _floatdisf and _fixsfdi.
7858 * config/mn10200/t-mn10200 (LIB1ASMFUNCS): Likewise.
7860 2001-07-09 Andreas Jaeger <aj@suse.de>
7862 * output.h: Add declaration of final_forward_branch_p.
7864 * config/i386/i386.c (output_fix_trunc): Remove unused variable.
7866 * varray.c: Include errors.h for internal_error and trim_filename
7869 * Makefile.in (varray.o): Add errors.h.
7871 2001-07-09 Toon Moene <toon@moene.indiv.nluug.nl>
7873 * expr.h: Adjust prototypes for have_add2_insn, have_sub2_insn.
7874 * optabs.c (have_add2_insn): Check whether the add insn chosen
7875 really accepts the operands. (have_sub2_insn): Ditto for sub insn.
7876 * reload1.c (reload_cse_move2add): Adjust calls of have_add2_insn.
7878 Mon Jul 9 13:26:40 2001 Jeffrey A Law (law@cygnus.com)
7880 * Makefile.in (OBJS): Add ssa-ccp.o
7881 (ssa-ccp.o): Add dependencies.
7882 * toplev.c (DFI_ssa_ccp): New dump file enum.
7883 (dump_file): Add entry for dumping after SSA CCP.
7884 (flag_ssa_ccp): New flag variable.
7885 (f_options): Add -fssa-ccp.
7886 (rest_of_compilation): Run SSA CCP if requested.
7887 * timevar.def (TV_SSA_CCP): New timevar.
7888 * ssa.c (mark_phi_and_copy_regs): Handle deleted PHI nodes.
7889 * doc/gcc.texi (Passes): Add documentation for SSA CCP pass.
7890 Fix minor typo in SSA DCE documentation.
7891 * doc/invoke.texi: Add documentation for new flag -fssa-ccp.
7892 Add documentation for new dump option. Renumber dump files
7895 Mon Jul 9 21:36:00 CEST 2001 Jan Hubicka <jh@suse.cz>
7897 * emit-rtl.c (gen_highpart_mode): New.
7898 * rtl.h (gen_highpart_mode): Declare.
7899 * sparc.md (insn splitters): Use gen_highpart_mode, whenever the
7900 operand can be VOIDmode constant.
7902 Mon Jul 9 17:23:10 CEST 2001 Jan Hubicka <jh@suse.cz>
7904 * flow.c (redirect_edge_and_branch_force): New.
7905 (can_fallthru): Ensure that basic blocks are succeeding.
7906 (try_optimize_cfg): Do not delete basic block if it is the last one.
7908 * flow.c (try_redirect_by_replacing_jump): Do not remove
7909 jumps with side effects, unlink chain on fallthru edge;
7910 set block for new jump instruction; avoid basic block to
7911 over by line number note.
7913 * flow.c (try_simplify_condjump): Verify that the condjump
7914 is not always falling trought.
7917 * flow.c (try_redirect_by_replacing_jump): Remove cc0 setter.
7919 * flow.c (forwarder_block_p): Fix for fallthru blocks.
7920 (try_redirect_by_replacing_jump): Update properly the count
7921 and frequency information.
7923 Mon Jul 9 06:41:07 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7925 * emit-rtl.c (adjust_address, adjust_address_nv): Handle an
7926 address that is a LO_SUM specially.
7927 * explow.c (plus_constant_wide, case LO_SUM): Deleted.
7929 * c-lang.c (start_cdtor): Remove extra parameter from start_function.
7931 * emit-rtl.c (adjust_address_nv, replace_equiv_address_nv): New fcns.
7932 (operand_subword): Use them.
7933 (change_address_1): Renamed from change_address; new arg VALIDATE.
7934 * expr.h: Reflect above changes; change_address now macro.
7935 * alias.c (canon_rtx): Use replace_equiv_address_nv instead of
7937 * cselib.c (add_mem_for_addr): Likewise.
7938 * expr.c (protect_from_queue, emit_move_insn_1): Likewise.
7939 * regmove.c (try_apply_stack_adjustment): Likewise.
7940 * reload.c (push_reload, make_memloc): Likewise.
7941 * reload1.c (eliminate_regs): Likewise.
7942 * simplify-rtx.c (simplify_replace_rtx): Likewise.
7943 * caller-save.c (setup_save_areas): Use adjust_address_nv instead of
7945 * combine.c (make_extraction, simplify_shift_const): Likewise.
7946 (gen_lowpart_for_combine): Likewise.
7947 * cse.c (gen_lowpart_if_possible): Likewise.
7948 * function.c (fixup_var_refs_1, purge_addressof_1): Likewise.
7949 * expr.c (expand_expr, case COMPONENT_REF): Likewise.
7950 * optabs.c (gen_move_insn): Likewise.
7951 * reload1.c (alter_reg): Likewise.
7952 * simplify-rtx.c (simplify_subreg): Likewise.
7953 * stmt.c (expand_anon_union_decl): Likewise.
7954 * recog.c (validate_replace_rtx_1): Likewise.
7956 * Makefile.in (recog.o): Add $(EXPR_H).
7957 * explow.c (stabilize): Call replace_equiv_address.
7958 * expr.c (move_by_pieces_1, store_by_pieces_2): Likewise.
7959 * final.c (alter_subreg): OFFSET is HOST_WIDE_INT.
7961 2001-07-03 Andrew Haley <aph@redhat.com>
7963 * expmed.c (store_fixed_bit_field): Don't use a mode bigger than
7964 the mode of the memory location.
7966 2001-07-09 Bo Thorsen <bo@suse.co.uk>
7968 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Fix x86-64 vtable support.
7970 2001-07-09 Neil Booth <neil@daikokuya.demon.co.uk>
7972 * final.c (output_addr_const): Use target opening and
7973 closing parentheses.
7974 * target-def.h: Define TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN
7975 defaults, add to TARGET_ASM_OUT.
7976 * target.h (struct gcc_target): Add open_paren and close_paren.
7977 * doc/md.texi: Update.
7978 * doc/tm.texi: Document TARGET_ASM_FUNCTION_END_PROLOGUE,
7979 TARGET_ASM_FUNCTION_BEGIN_EPILOGUE, TARGET_ASM_OPEN_PAREN and
7980 TARGET_ASM_CLOSE_PAREN.
7981 * config/i386/i386.c (TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN):
7983 * config/pdp11/pdp11.c (TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN):
7985 * config/1750a/1750a.h (ASM_OPEN_PAREN, ASM_CLOSE_PAREN): Remove.
7986 * config/a29k/a29k.h: Similarly.
7987 * config/alpha/alpha.h: Similarly.
7988 * config/arc/arc.h: Similarly.
7989 * config/arm/aof.h: Similarly.
7990 * config/arm/aout.h: Similarly.
7991 * config/avr/avr.h: Similarly.
7992 * config/c4x/c4x.h: Similarly.
7993 * config/clipper/clipper.h: Similarly.
7994 * config/convex/convex.h: Similarly.
7995 * config/d30v/d30v.h: Similarly.
7996 * config/dsp16xx/dsp16xx.h: Similarly.
7997 * config/elxsi/elxsi.h: Similarly.
7998 * config/fr30/fr30.h: Similarly.
7999 * config/h8300/h8300.h: Similarly.
8000 * config/i370/i370.h: Similarly.
8001 * config/i386/i386.h: Similarly.
8002 * config/i860/i860.h: Similarly.
8003 * config/i960/i960.h: Similarly.
8004 * config/ia64/ia64.h: Similarly.
8005 * config/m32r/m32r.h: Similarly.
8006 * config/m68hc11/m68hc11.h: Similarly.
8007 * config/m68k/m68k.h: Similarly.
8008 * config/m88k/m88k.h: Similarly.
8009 * config/mcore/mcore.h: Similarly.
8010 * config/mips/mips.h: Similarly.
8011 * config/mn10200/mn10200.h: Similarly.
8012 * config/mn10300/mn10300.h: Similarly.
8013 * config/ns32k/ns32k.h: Similarly.
8014 * config/pa/pa.h: Similarly.
8015 * config/pdp11/pdp11.h: Similarly.
8016 * config/pj/pj.h: Similarly.
8017 * config/romp/romp.h: Similarly.
8018 * config/rs6000/rs6000.h: Similarly.
8019 * config/sh/sh.h: Similarly.
8020 * config/sparc/sparc.h: Similarly.
8021 * config/v850/v850.h: Similarly.
8022 * config/vax/vax.h: Similarly.
8023 * config/we32k/we32k.h: Similarly.
8025 2001-07-09 Joseph S. Myers <jsm28@cam.ac.uk>
8027 * doc/c-tree.texi: Document representation of attributes.
8029 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
8031 * doc/tm.texi: Update some places for the rename of target to
8034 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
8036 * target.h (struct gcc_target): Add insert_attributes.
8037 * target-def.h (TARGET_INSERT_ATTRIBUTES): Define.
8038 (TARGET_INITIALIZER): Update.
8039 * tree.c, tree.h (default_insert_attributes): New function.
8040 Update comments on other default functions to refer to targetm,
8042 * doc/tm.texi (INSERT_ATTRIBUTES): Update to document
8043 TARGET_INSERT_ATTRIBUTES.
8044 (SET_DEFAULT_DECL_ATTRIBUTES): Remove.
8045 * c-common.c (decl_attributes): Use targetm.insert_attributes.
8046 Don't use PRAGMA_INSERT_ATTRIBUTES.
8047 * Makefile.in (c-common.o): Depend on $(TARGET_H).
8048 * c-decl.c (start_decl, start_function): Don't call
8049 SET_DEFAULT_DECL_ATTRIBUTES.
8050 * config/c4x/c4x.h (SET_DEFAULT_DECL_ATTRIBUTES): Don't define.
8051 * config/c4x/c4x-protos.h (c4x_set_default_attributes): Don't
8053 * config/c4x/c4x.c (TARGET_INSERT_ATTRIBUTES): Define.
8054 (c4x_check_attribute): Avoid modifying attribute list itself.
8055 (c4x_set_default_attributes): Rename to c4x_insert_attributes.
8057 * config/sh/sh.h (PRAGMA_INSERT_ATTRIBUTES): Don't define.
8058 * config/sh/sh-protos.h (sh_pragma_insert_attributes): Don't
8060 * config/sh/sh.c (TARGET_INSERT_ATTRIBUTES): Define.
8061 (sh_pragma_insert_attributes): Rename to sh_insert_attributes.
8063 * config/v850/v850.h (SET_DEFAULT_DECL_ATTRIBUTES): Don't define.
8064 * config/v850/v850-protos.h (v850_set_default_decl_attr): Don't
8066 * config/v850/v850.c (TARGET_INSERT_ATTRIBUTES): Define.
8067 (v850_set_default_decl_attr): Rename to v850_insert_attributes.
8068 Adjust parameters. Make static.
8070 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
8072 * c-common.c (decl_attributes): Only take a single attributes
8074 * c-common.h (decl_attributes): Update prototype.
8075 * c-decl.c (start_decl, start_function): Only take a single
8076 attributes parameter. Update calls to decl_attributes.
8077 (finish_struct, finish_enum): Update calls to decl_attributes.
8078 (push_parm_decl): Expect unified list of attributes. Update call
8080 * c-parse.in (fndef, initdcl, notype_initdcl, nested_function,
8081 notype_nested_function, component_declarator,
8082 component_notype_declarator, label): Update calls to
8084 (absdcl_maybe_attribute, parm, firstparm, myparm): Unify attribute
8085 lists that are passed to push_parm_decl.
8086 * c-tree.h (start_function, start_decl): Update prototypes.
8087 * config/sh/sh-protos.h, config/sh/sh.c
8088 (sh_pragma_insert_attributes): Only take a single attributes
8090 * config/sh/sh.h (PRAGMA_INSERT_ATTRIBUTES): Likewise.
8091 * doc/tm.texi (INSERT_ATTRIBUTES): Update.
8092 * objc/objc-act.c (define_decl, generate_objc_symtab_decl,
8093 build_module_descriptor, generate_static_references,
8094 generate_strings, build_selector_translation_table,
8095 generate_descriptor_table, generate_protocols,
8096 generate_ivars_list, generate_dispatch_table,
8097 generate_protocol_list, generate_category,
8098 generate_shared_structures, really_start_method, add_objc_decls,
8099 generate_classref_translation_entry): Update calls to start_decl
8101 (build_tmp_function_decl, start_method_def): Unify attribute lists
8102 that are passed to push_parm_decl.
8104 2001-07-08 Neil Booth <neil@daikokuya.demon.co.uk>
8106 * final.c (no_asm_to_stream): New.
8107 (final_scan_insn): Use target structures for prologue ends
8108 and epilogue starts.
8109 * output.h (no_asm_to_stream): New.
8110 * target-def.h (TARGET_ASM_FUNCTION_END_PROLOGUE,
8111 TARGET_ASM_FUNCTION_BEGIN_EPILOGUE): New.
8112 (TARGET_ASM_OUT): Update.
8113 * target.h (struct gcc_target): New members function_end_prologue
8114 and function_begin_epilogue.
8115 * config/1750/1750.h (ASM_OUTPUT_FUNNAM): Delete as unused.
8116 * config/alpha/alpha-protos.h (output_end_prologue): Delete.
8117 * config/alpha/alpha.c (output_end_prologue): Rename to
8118 alpha_output_function_end_prologue. Use in target struct
8120 * config/alpha/alpha.h (FUNCTION_END_PROLOGUE): Delete.
8121 * config/ia64/ia64-protos.h (ia64_output_end_prologue): Delete.
8122 * config/ia64/ia64.c (ia64_output_end_prologue): Rename to
8123 ia64_output_function_end_prologue. Use in target struct
8125 (ia64_function_prologue, ia64_funciton_epilogue): Rename
8126 mistyped prototypes.
8127 * config/ia64/ia64.h (FUNCTION_END_PROLOGUE): Delete.
8128 * config/m88k/m88k-protos.h (m88k_end_prologue, m88k_begin_epilogue):
8130 * config/m88k/m88k.c (m88k_end_prologue, m88k_begin_epilogue): Rename
8131 an use in target struct, make static.
8132 * config/ia64/ia64.h (FUNCTION_END_PROLOGUE, FUNCTION_BEGIN_EPILOGUE):
8135 2001-07-08 Richard Henderson <rth@redhat.com>
8137 * stmt.c (emit_case_nodes): Convert modes properly in low+high test.
8139 2001-07-08 Richard Henderson <rth@redhat.com>
8141 * config/i386/i386.md: Remove constraints strings from define_split
8142 and define_peephole2 patterns.
8143 (eh_return_si, eh_return_di): Split eh_return_1 for modes.
8144 (eh_return): Use them.
8146 2001-07-08 Richard Henderson <rth@redhat.com>
8148 * doc/tm.texi (Exception Handling): New subnode of Stack and Calling.
8149 Document MD_FALLBACK_FRAME_STATE_FOR.
8151 2001-07-07 Stephane Carrez <Stephane.Carrez@worldnet.fr>
8153 * config/m68hc11/m68hc11.c (m68hc11_initial_elimination_offset):
8154 Take into account m68hc11_sp_correction for FRAME_POINTER_REGNUM
8156 * config/m68hc11/m68hc11.h (STARTING_FRAME_OFFSET): Use 0.
8158 2001-07-07 Nick Clifton <nickc@cambridge.redhat.com>
8160 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Append # to end
8161 of the label inside NAME as opposed to just the end of NAME.
8163 2001-07-07 Neil Booth <neil@daikokuya.demon.co.uk>
8165 * config/alpha/alpha-protos.h (vms_valid_decl_attribute_p): Delete.
8166 * config/alpha/alpha.c (alpha_init_machine_status,
8167 alpha_mark_machine_status, alpha_free_machine_status): Delete.
8168 (TARGET_VALID_DECL_ATTRIBUTE): Define for VMS.
8169 (vms_valid_decl_attribute_p): Make static, conditionally compile.
8170 * config/alpha/alpha.h (VALID_MACHINE_DECL_ATTRIBUTE): Delete.
8172 2001-07-06 Stan Shebs <shebs@apple.com>
8174 * target.h (targetm): Rename global from "target", so as not to
8175 conflict with local variables.
8177 * c-typeck.c: Ditto.
8181 * cp/decl2.c: Ditto.
8182 * cp/typeck.c: Ditto.
8183 * 1750a/1750a.c: Ditto.
8184 * a29k/a29k.c: Ditto.
8188 * clipper/clipper.c: Ditto.
8189 * convex/convex.c: Ditto.
8190 * d30v/d30v.c: Ditto.
8191 * dsp16xx/dsp16xx.c: Ditto.
8192 * elxsi/elxsi.c: Ditto.
8193 * fr30/fr30.c: Ditto.
8194 * h8300/h8300.c: Ditto.
8195 * i370/i370.c: Ditto.
8196 * i386/i386.c: Ditto.
8197 * i860/i860.c: Ditto.
8198 * i960/i960.c: Ditto.
8199 * ia64/ia64.c: Ditto.
8200 * m32r/m32r.c: Ditto.
8201 * m68hc11/m68hc11.c: Ditto.
8202 * m68k/m68k.c: Ditto.
8203 * m88k/m88k.c: Ditto.
8204 * mips/mips.c: Ditto.
8205 * ns32k/ns32k.c: Ditto.
8207 * pdp11/pdp11.c: Ditto.
8208 * romp/romp.c: Ditto.
8209 * rs6000/rs6000.c: Ditto.
8211 * sparc/sparc.c: Ditto.
8213 * we32k/we32k.c: Ditto.
8214 * doc/tm.texi: Update the manual to match.
8216 2001-07-06 Richard Henderson <rth@redhat.com>
8218 * except.h (MUST_USE_SJLJ_EXCEPTIONS): Examine the value of
8219 DWARF2_UNWIND_INFO not just whether it is defined.
8221 2001-07-06 Diego Novillo <dnovillo@redhat.com>
8223 * combine.c (combine_simplify_rtx): Also recompute 'mode' if the
8224 call to simplify_binary_operation returns a new pattern.
8226 2001-07-06 Roman Lechtchinsky <rl@cs.tu-berlin.de>
8228 * glimits.h (__SHRT_MAX__): New.
8229 (SHRT_MIN, USHRT_MAX): Define in terms of SHRT_MAX.
8230 (SHRT_MAX): Define in terms of __SHRT_MAX__.
8232 2001-07-06 Jan van Male <jan.vanmale@fenk.wau.nl>
8234 * alias.c (base_alias_check): Cast GET_MODE_UNIT_SIZE to int to
8237 2001-07-06 Richard Henderson <rth@redhat.com>
8239 * bitmap.c (bitmap_release_memory): Move adjacent to the
8240 allocation functions.
8241 (bitmap_first_set_bit, bitmap_last_set_bit): Streamline knowing
8242 the implementation. Binary search for the set bit.
8243 (bitmap_union_of_diff): Allocate the temporary on the stack
8244 instead of using xmalloc.
8246 2001-07-06 Richard Henderson <rth@redhat.com>
8248 * genrecog.c (validate_pattern): Warn for constraints in
8249 define_{expand,split,peephole2}. Remove strict_low_part
8250 before looking up match_dup.
8252 2001-07-06 DJ Delorie <dj@redhat.com>
8254 * doc/gcc.texi (Makefile): Rename to be a more general purpose
8255 chapter about various build hints and history. Add section
8256 talking about the various types of native and cross builds.
8258 2001-07-06 Neil Booth <neil@daikokuya.demon.co.uk>
8260 * Makefile.in (final.o): Depend on target.h.
8261 * final.c: Include target.h.
8262 (default_function_pro_epilogue): New.
8263 (final_start_function): Use target structure for function prologues.
8264 (final_end_function): Use target structure for function epilogues.
8265 * fold-const.c (real_hex_to_f): Constify s and p.
8266 * output.h (default_function_pro_epilogue): New.
8267 * real.h (real_hex_to_f): Update prototype.
8268 * target-def.h (TARGET_ASM_FUNCTION_PROLOGUE,
8269 TARGET_ASM_FUNCTION_EPILOGUE, TARGET_ASM_OUT): New.
8270 (TARGET_INITIALIZER): Update.
8271 * target.h (gcc_target): Add struct asm_out.
8272 * doc/tm.texi: Update.
8275 Update each arch to use TARGET_ASM_FUNCTION_PROLOGUE and
8276 TARGET_ASM_FUNCTION_EPILOGUE. Move macro code to functions
8277 in cpu/cpu.c, or rename old functions consistently. Take
8278 a HOST_WIDE INT not an int as the SIZE parameter. Remove now
8279 redundant macros and prototypes. Make new functions static.
8281 * 1750a/1750a.c: Similarly.
8282 * 1750a/1750a.h: Similarly.
8283 * a29k/a29k-protos.h: Similarly.
8284 * a29k/a29k.c: Similarly.
8285 * a29k/a29k.h: Similarly.
8286 * arc/arc-protos.h: Similarly.
8287 * arc/arc.c: Similarly.
8288 * arc/arc.h: Similarly.
8289 * arm/arm-protos.h: Similarly.
8290 * arm/arm.c: Similarly.
8291 * arm/arm.h: Similarly.
8292 * avr/avr-protos.h: Similarly.
8293 * avr/avr.c: Similarly.
8294 * avr/avr.h: Similarly.
8295 * clipper/clipper-protos.h: Similarly.
8296 * clipper/clipper.c: Similarly.
8297 * clipper/clipper.h: Similarly.
8298 * convex/convex.c: Similarly.
8299 * convex/convex.h: Similarly.
8300 * d30v/d30v-protos.h: Similarly.
8301 * d30v/d30v.c: Similarly.
8302 * d30v/d30v.h: Similarly.
8303 * d30v/d30v.md: Similarly.
8304 * dsp16xx/dsp16xx-protos.h: Similarly.
8305 * dsp16xx/dsp16xx.c: Similarly.
8306 * dsp16xx/dsp16xx.h: Similarly.
8307 * elxsi/elxsi.c: Similarly.
8308 * elxsi/elxsi.h: Similarly.
8309 * fr30/fr30.c: Similarly.
8310 * fr30/fr30.md: Similarly.
8311 * h8300/h8300-protos.h: Similarly.
8312 * h8300/h8300.c: Similarly.
8313 * h8300/h8300.h: Similarly.
8314 * i370/i370-protos.h: Similarly.
8315 * i370/i370.c: Similarly.
8316 * i370/i370.h: Similarly.
8317 * i386/i386.c: Similarly.
8318 * i386/osf1elf.h: Similarly.
8319 * i386/osfrose.h: Similarly.
8320 * i860/i860-protos.h: Similarly.
8321 * i860/i860.c: Similarly.
8322 * i860/i860.h: Similarly.
8323 * i960/i960-protos.h: Similarly.
8324 * i960/i960.c: Similarly.
8325 * i960/i960.h: Similarly.
8326 * ia64/ia64-protos.h: Similarly.
8327 * ia64/ia64.c: Similarly.
8328 * ia64/ia64.h: Similarly.
8329 * m32r/m32r-protos.h: Similarly.
8330 * m32r/m32r.c: Similarly.
8331 * m32r/m32r.h: Similarly.
8332 * m68hc11/m68hc11-protos.h: Similarly.
8333 * m68hc11/m68hc11.c: Similarly.
8334 * m68hc11/m68hc11.h: Similarly.
8335 * m68k/crds.h: Similarly.
8336 * m68k/dpx2.h: Similarly.
8337 * m68k/m68k-protos.h: Similarly.
8338 * m68k/m68k.c: Similarly.
8339 * m68k/m68k.h: Similarly.
8340 * m68k/news.h: Similarly.
8341 * m88k/m88k-protos.h: Similarly.
8342 * m88k/m88k.c: Similarly.
8343 * m88k/m88k.h: Similarly.
8344 * mips/mips-protos.h: Similarly.
8345 * mips/mips.c: Similarly.
8346 * mips/mips.h: Similarly.
8347 * ns32k/merlin.h: Similarly.
8348 * ns32k/ns32k.c: Similarly.
8349 * ns32k/ns32k.h: Similarly.
8350 * ns32k/tek6000.h: Similarly.
8351 * pa/pa-protos.h: Similarly.
8352 * pa/pa.c: Similarly.
8353 * pa/pa.h: Similarly.
8354 * pdp11/2bsd.h: Similarly.
8355 * pdp11/pdp11-protos.h: Similarly.
8356 * pdp11/pdp11.c: Similarly.
8357 * pdp11/pdp11.h: Similarly.
8358 * romp/romp-protos.h: Similarly.
8359 * romp/romp.c: Similarly.
8360 * romp/romp.h: Similarly.
8361 * rs6000/rs6000-protos.h: Similarly.
8362 * rs6000/rs6000.c: Similarly.
8363 * rs6000/rs6000.h: Similarly.
8364 * rs6000/sysv4.h: Similarly.
8365 * sh/sh-protos.h: Similarly.
8366 * sh/sh.c: Similarly.
8367 * sh/sh.h: Similarly.
8368 * sparc/sparc-protos.h: Similarly.
8369 * sparc/sparc.c: Similarly.
8370 * sparc/sparc.h: Similarly.
8371 * vax/vax.c: Similarly.
8372 * vax/vax.h: Similarly.
8373 * vax/vms.h: Similarly.
8374 * we32k/we32k.c: Similarly.
8375 * we32k/we32k.h: Similarly.
8377 Fri Jul 6 11:47:59 2001 Jeffrey A Law (law@cygnus.com)
8379 * basic-block.h (first_insn_after_basic_block_note): Declare.
8380 * flow.c (first_insn_after_basic_block_note): Define. Moved
8382 * ssa.c (first_insn_after_basic_block_note): Remove.
8383 * ssa-dce.c (find_inherently_necessary): Consider BARRIERs
8385 (ssa_eliminate_dead_code): Properly update the CFG and PHI
8386 nodes when we find a dead conditional branch. Insert BARRIERs
8387 after any blocks with no successors, but which do not have
8390 2001-07-06 Zack Weinberg <zackw@stanford.edu>
8392 * varray.c (varray_check_failed): Use internal_error.
8394 2001-07-05 Andrew Haley <aph@redhat.com>
8396 * Makefile.in (LIB2_DIVMOD_FUNCS): New.
8397 (LIB2FUNCS): Move divmod functions to LIB2_DIVMOD_FUNCS.
8398 * mklibgcc.in: Compile LIB2_DIVMOD_FUNCS.
8400 2001-07-02 Jason Merrill <jason_merrill@redhat.com>
8402 * dwarf2out.c (mem_loc_descriptor): Only look through a constant pool
8403 reference if the target constant is also a SYMBOL_REF.
8405 2001-07-05 Eric Christopher <echristo@redhat.com>
8407 * config/mips/mips.h (MASK_MIPS3900): Remove.
8408 (MASK_MIPS16,MASK_NO_CHECK_ZERO_DIV,MASK_CHECK_RANGE_DIV,
8409 MASK_UNINIT_CONST_IN_RODATA): Change for 3900 mask removal.
8410 (TARGET_MIPS3900): Change to use mips_arch.
8411 (TARGET_MIPS4000): New.
8412 (TARGET_MIPS4100): New.
8413 (TARGET_MIPS4300): New.
8414 (TARGET_SWITCHES): Change 3900 and 4650 options to NULL.
8415 (SUBTARGET_TARGET_OPTIONS): Add -march. Change help text
8417 (GENERATE_BRANCHLIKELY): Move TARGET_MIPS3900.
8418 (ISA_HAS_BRANCHLIKELY): To here.
8419 (CC1_CPU_SPEC): New.
8420 (CC1_SPEC): Use here. Remove 4650 and 3900 options.
8421 (mips_arch_string): Declare.
8422 (mips_arch): Declare.
8423 (TARGET_OPTIONS): Add -march and -mtune.
8425 * config/mips/mips.c (mips_arch_string): New.
8427 (override_options): Handle -march for codegen and -mtune
8428 for scheduling. Use mips_arch. Move tx39 target default here.
8429 (mips_parse_cpu): Move error message to override_options.
8431 * config/mips/r3900.h (TARGET_DEFAULT): Remove.
8433 * config/mips/mips.md: Use TARGET_MIPS4000 and TARGET_MIPS4300.
8435 * doc/invoke.texi (Option Summary): Add -march and -mtune entries.
8436 (MIPS Options): Ditto. Change mcpu entry to historical text.
8438 2001-07-05 H.J. Lu (hjl@gnu.org)
8440 * config/mips/mips.c (mips_parse_cpu): New function to parse
8443 2001-07-05 Jim Wilson <wilson@redhat.com>
8445 * config/ia64/lib1funcs.asm: Revert 2001-07-02 change.
8446 * config/ia64/t-ia64: Likewise.
8447 (LIB1ASMFUNCS): Update comment.
8449 2001-07-05 David Edelsohn <edelsohn@gnu.org>
8451 * doc/install.texi (Install GCC: Binaries): Fix typo.
8453 2001-07-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
8455 * config/m68hc11/m68hc11.md ("*ashlsi3"): Operand 1 can be a memory
8456 reference using the stack pointer, adjust it since we push Y
8458 ("*ashrsi3"): Likewise.
8459 ("*lshrsi3"): Likewise.
8461 2001-07-05 Stephane Carrez <Stephane.Carrez@worldnet.fr>
8463 * config/m68hc11/m68hc11.h (RETURN_ADDR_RTX): Fix return address
8464 when -fomit-frame-pointer is used.
8466 2001-07-05 Jeffrey Oldham <oldham@codesourcery.com>
8468 * flow.c: Reverse Jan Hubicka's patch of 02July2001.
8469 (try_redirect_by_replacing_jump): Reverse updating properly the
8470 count and frequency information. Reverse removing cc0 setter.
8471 (forwarder_block_p): Reverse fixing for fallthru blocks.
8473 2001-07-05 DJ Delorie <dj@redhat.com>
8475 * gcc.c (TARGET_OPTION_TRANSLATE_TABLE): New.
8476 (translate_options): If the above is defined, use it to map
8477 given options to new options.
8478 * doc/tm.texi: Document it.
8480 2001-07-05 Brad Lucier <lucier@math.purdue.edu>
8481 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
8483 * doc/invoke.texi (Optimize Options): Document that -fgcse may
8484 cause programs using computed gotos to run more slowly.
8486 2001-07-05 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8488 * doc/install.texi (Specific): Markup, spelling and typo fixes.
8490 Consistently require binutils 2.11.2, not prereleases.
8491 (Specific, decstation-*): Canonicalize as mips-dec-*.
8492 (Specific, i?86-*-sco3.2v5*): Remove make bootstrap requirement,
8494 (Specific, m68k-altos): Removed reference to README.altos, deleted.
8495 (Specific, mips-*): Reword MIPS C compiler requirements.
8496 (Specific, powerpc*-*-*): New, mention --with-cpu once.
8497 (Specific, sunv5): Removed, obsolete.
8499 2001-07-05 Nathan Sidwell <nathan@codesourcery.com>
8501 * dwarf2out.c (output_loc_list): Use an all ones mask for
8502 .text asm output and don't rely on long long
8503 literals. Reformat some long lines.
8505 2001-07-05 Andreas Jaeger <aj@suse.de>
8507 * doc/gcc.texi (GNU/Linux): Remove accidental re-add of GPL
8510 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
8512 * dwarf2out.c (dwarf2out_define): Update comment.
8513 (dwarf2out_undef): Ditto.
8514 (dwarf2out_start_source_file): Ditto.
8515 (dwarf2out_end_source_file): Ditto.
8516 (dwarf2out_finish): Output DW_MACINFO_end_file for primary file,
8517 since we never call the start/end debug hook for the primary file.
8519 2001-07-04 Kazu Hirata <kazu@hxi.com>
8521 * config/h8300/h8300.c (get_shift_alg): Remove an extra operand
8524 2001-07-04 Nathan Sidwell <nathan@codesourcery.com>
8526 * cppinit.c (remove_dup_dirs): Inform if a system include
8527 directory is being reordered.
8528 * doc/invoke.texi (Directory Options): GCC warns if you hide a
8530 * doc/cpp.texi (Search Paths): Likewise.
8531 * doc/gcc.texi (Interoperation): Remove information about
8534 2001-07-04 Nathan Sidwell <nathan@codesourcery.com>
8536 * varray.h (VARRAY_TOP_GENERIC_PTR): Remove spurious parameter.
8537 (VARRAY_TOP_CHAR_PTR): Likewise.
8539 2001-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8541 * gcc.c (process_command): Don't assign elements of a const char*.
8543 Wed Jul 4 13:40:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8545 * emit-rtl.c (change_address): Don't abort if invalid address while
8546 reload is in progress.
8548 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
8550 * c-lex.c (cb_file_change): Pass line number to
8551 debug_start_source_file.
8552 (cb_undefine): Pass correct line number to debug_undef.
8554 * toplev.c (debug_start_source_file): Add line number to
8555 parameters. Pass it along to dwarf2out_start_source_file.
8556 (decode_g_option): Stop resetting debug level back to normal when
8557 we change debug formats, unless the current level is
8558 none. (Before, -g3 -gdwarf-2 would use debug level 2, rather than
8561 * toplev.h (debug_start_source_file): Add line number to
8564 * dwarf2out.h (dwarf2out_start_source_file): Add line number to
8567 * dwarf2out.c (dwarf2out_start_source_file): Add line number to
8569 Output debug_macinfo data for starting file if requested.
8570 (dwarf2out_end_source_file): Output debug_macinfo data for ending
8572 (dwarf2out_define): Output debug_macinfo data for defining a macro
8574 (dwarf2out_undef): Output debug_macinfo data for undefining a
8576 (DEBUG_MACINFO_SECTION): New. DWARF2 macro info section name.
8577 (DEBUG_MACINFO_SECTION_LABEL): New. DWARF2 macro info section label.
8578 (macinfo_section_label): New. DWARF2 macro info section label.
8579 (dwarf2out_init): If we want macro info, output the start label
8581 (dwarf2out_finish): If we want macro info, add a DW_AT_macro_info
8582 attribute to the compilation unit die pointing to the macro info.
8584 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
8586 * dwarf2out.c (new_loc_list): Move to inside #ifdef
8587 DWARF2_DEBUGGING_INFO.
8588 (add_loc_descr_to_loc_list): Ditto.
8589 (output_loc_list): Ditto.
8590 Also, fix thinko in curr not being initialized.
8591 (gen_internal_sym): Ditto.
8593 Wed Jul 4 13:40:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8595 * emit-rtl.c (replace_equiv_address): New function.
8596 * expr.h (replace_equiv_address): New declaration.
8597 * explow.c (validize_mem): Call it instead of change_address and
8598 also call if -fforce-addr and address is constant.
8599 * expr.c: Replace more calls to change_address with adjust_address
8600 and/or replace_equiv_address or to validize_mem.
8601 * function.c, regmove.c, config/alpha/alpha.c: Likewise.
8602 * config/arm/arm.md, config/clipper/clipper.md: Likewise.
8603 * config/dsp16xx/dsp16xx.md, config/fr30/fr30.c: Likewise.
8604 * config/i370/i370.md, config/i860/i860.md: Likewise.
8605 * config/i960/i960.md, config/mips/mips.c: Likewise.
8606 * config/mips/mips.md, config/pa/pa.md: Likewise.
8607 * config/pdp11/pdp11.md, config/rs6000/rs6000.c: Likewise.
8608 * config/rs6000/rs6000.md, config/sh/sh.md: Likewise.
8610 2001-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8612 * bitmap.c (bitmap_union_of_diff): Don't use BITMAP_ALLOCA.
8614 * bitmap.h (BITMAP_ALLOCA): Don't pass alloca as an argument to a
8617 2001-07-04 Joseph S. Myers <jsm28@cam.ac.uk>
8619 * doc/include: New directory.
8620 * doc/fdl.texi: Move to doc/include/fdl.texi.
8621 * doc/texinfo.tex: Move to doc/include/texinfo.tex.
8622 * doc/include/funding.texi, doc/include/gpl.texi: New files.
8623 * doc/gcc.texi: Use funding.texi and gpl.texi.
8624 * Makefile.in ($(docdir)/cpp.info, $(docdir)/gcc.info,
8625 $(docdir)/cppinternals.info, cpp.dvi. gcc.dvi. cppinternals.dvi):
8626 Update dependencies and use -I $(docdir)/include.
8628 2001-07-04 Anthony Green <green@redhat.com>
8630 * config/v850/t-v850 (v850-c.o): Add missing dependencies.
8632 2001-07-04 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
8634 * doc/install.texi (sparc64-*-*): Remove garbage.
8636 Wed Jul 4 09:07:44 2001 Jan van Male <jan.vanmale@fenk.wau.nl>
8638 * i386.c (ix86_expand_builtin, case IX86_BUILTIN_SETPS):
8639 Fix typo in last change to use adjust_address.
8641 2001-07-04 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
8643 * doc/install.texi (Specific): Update information for *-*-solaris*.
8645 Tue Jul 3 22:33:15 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8647 * explow.c (plus_constant_wide): Reinitialize Y for restart.
8649 2001-07-03 Stan Shebs <shebs@apple.com>
8651 * config/darwin.h (SECTION_FUNCTION): Remove WAS_TEXT argument, remove
8652 case for flag_no_mach_text_sections.
8653 (EXTRA_SECTION_FUNCTIONS): Remove arg from uses of SECTION_FUNCTION.
8654 * config/darwin.c (flag_no_mach_text_sections): Remove.
8655 * config/darwin-protos.h (darwin_init_pragma): Remove decl.
8657 Tue Jul 3 15:35:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8659 * explow.c (plus_constant_wide, case PLUS): Call find_constant_term
8660 and avoid checking for constant as first operand.
8661 * recog.c (find_constant_term_loc): No longer static.
8662 (adj_offettable_operand): Delete.
8663 * rtl.h (adj_offsettable_operand): Delete declaration.
8664 (find_constant_term): Add declaration.
8665 * caller-save.c: Replace calls to adj_offsettable_operand with calls
8667 * config/arm/arm.c, config/c4x/c4x.c: Likewise.
8668 * config/clipper/clipper.md, config/h8300/h8300.c: Likewise.
8669 * config/i386/i386.c, config/i386/i386.md: Likewise.
8670 * config/i860/i860.c, config/i960/i960.c: Likewise.
8671 * config/i960/i960.md, config/m68hc11/m68hc11.c: Likewise.
8672 * config/m68k/m68k.c, config/m68k/m68k.md: Likewise.
8673 * config/m88k/m88k.md, config/mcore/mcore.c: Likewise.
8674 * config/mips/mips.c, config/mips/mips.md: Likewise.
8675 * config/mn10200/mn10200.c, config/mn10300/mn10300.c: Likewise.
8676 * config/ns32k/ns32k.c, config/ns32k/ns32k.md: Likewise.
8677 * config/pa/pa.c, config/pdp11/pdp11.c: Likewise.
8678 * config/pdp11/pdp11.md, config/sh/sh.c, config/v850/v850.c: Likewise.
8679 * config/vax/vax.md, config/ns32k/ns32k.c: Likewise.
8680 * config/ns32k/ns32k.md: Likewise.
8682 2001-07-03 Zack Weinberg <zackw@stanford.edu>
8684 * rtl.c (copy_rtx): Handle 'T' format letter.
8685 * gensupport.c (collect_insn_data): Likewise.
8686 * print-rtl.c (print_rtx): Print 'T' slots like 's'.
8688 2001-07-03 Nick Clifton <nickc@cambridge.redhat.com>
8690 * doc/invoke.texi (Directory Options): Specifiy range for <N> in
8691 -B option. Use 'dir' not 'foo' as example directory name.
8693 2001-07-03 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8695 * config/i386/sol2.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
8696 Fixes PRs bootstrap/3067, bootstrap/3249, bootstrap/3275.
8698 2001-07-03 Joseph S. Myers <jsm28@cam.ac.uk>
8700 * doc/cppinternals.texi: Improve formatting and logical markup.
8702 2001-07-03 Andreas Jaeger <aj@suse.de>
8704 * Makefile.in (insn-recog.o): Add dependency on reload.h.
8706 * genrecog.c (write_header): Include reload.h for prototypes in
8709 2001-07-03 Neil Booth <neil@daikokuya.demon.co.uk>
8712 * i386/cygwin.h (VALID_MACHINE_DECL_ATTRIBUTE,
8713 VALID_MACHINE_TYPE_ATTRIBUTE): Remove.
8714 * i386/i386-protos.h (i386_pe_valid_decl_attribute_p,
8715 i386_pe_valid_type_attribute_p): Add.
8716 * i386/i386.c (TARGET_INITIALIZER): Override for cygwin targets.
8717 * i386/winnt.c (i386_valid_decl_attribute_p): Return directly.
8719 Mon Jul 2 21:52:19 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8721 * explow.c (plus_constant_wide, case LO_SUM): New case.
8722 (plus_constant_for_output_wide): Delete.
8723 * rtl.h (plus_constant_for_output): Delete.
8724 * alias.c (canon_rtx, init_alias_analysis): Call plus_constant
8725 instead of plus_constant_for_output.
8726 * recog.c (offsettable_address_p, adj_offsettable_operand): Likewise.
8727 * config/darwin.c, config/arm/arm.c, config/m68k/m68k.c: Likewise.
8728 * config/m88k/m88k.c, config/mips/mips.c, config/pa/pa.c: Likewise.
8729 * config/rs6000/rs6000.c, config/sparc/sparc.c: Likewise.
8730 * config/sparc/sparc.md: Likewise.
8731 Convert some change_address calls to adjust_address.
8733 2001-07-03 Joseph S. Myers <jsm28@cam.ac.uk>
8735 * doc/extend.texi, doc/gcc.texi, doc/invoke.texi, doc/md.texi,
8736 doc/rtl.texi, doc/tm.texi: Improve formatting. Improve
8737 documentation of -std and -Wwrite-strings.
8739 2001-07-02 Geoffrey Keating <geoffk@redhat.com>
8741 * cse.c (canon_hash): Don't register registers in very small
8742 register classes, as extending their lifetime might cause
8745 Mon Jul 2 23:14:00 CEST 2001 Jan Hubicka <jh@suse.cz>
8747 * flow.c (try_redirect_by_replacing_jump): Remove cc0 setter.
8749 * flow.c (forwarder_block_p): Fix for fallthru blocks.
8750 (try_redirect_by_replacing_jump): Update properly the count
8751 and frequency information.
8753 Mon Jul 2 14:20:13 2001 Jeffrey A Law (law@cygnus.com)
8755 * toplev.c (dump_file_index): Move SSA dumps just after first
8757 (dump_file): Corresponding changes.
8758 (rest_of_compilation): Move SSA path to just after the first
8760 * doc/gcc.texi (Passes): Update due to movement of SSA path.
8761 * doc/invoke.texi: Update dump file #s as they were completely
8762 out of date with reality.
8764 2001-07-02 Geoffrey Keating <geoffk@redhat.com>
8766 * doc/tm.texi (Frame Layout): Document STACK_PUSH_CODE.
8768 * expr.c (emit_move_insn_1): Deal with non-default
8771 * expr.c (emit_single_push_insn): Fix warning.
8773 2001-07-02 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
8775 * expr.c (emit_move_insn_1): Avoid modifying
8776 cfun->expr->x_stack_pointer when PUSH_ROUNDING is defined.
8778 Mon Jul 2 15:33:31 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8780 * emit-rtl.c (adjust_address): New function.
8781 * expr.h (adjust_address): Add declaration.
8782 * builtins.c: Replace some calls to change_address with calls to it
8784 * caller-save.c, dwarf2out.c, except.c, expmed.c, expr.c: Likewise.
8785 * function.c, config/a29k/a29k.md, config/alpha/alpha.c: Likewise.
8786 * config/arm/arm.c, config/convex/convex.c: Likewise.
8787 * config/dsp16xx/dsp16xx.md, config/fr30/fr30.c: Likewise.
8788 * config/i386/i386.c, config/i386/i386.md: Likewise.
8789 * config/ia64/ia64.c, config/ia64/ia64.md: Likewise.
8790 * config/m32r/m32r.c, config/m68k/m68k.md: Likewise.
8791 * config/m88k/m88k.c, config/mips/mips.md: Likewise.
8792 * config/ns32k/ns32k.c, config/rs6000/rs6000.c: Likewise.
8793 * config/sh/sh.c, config/sparc/sparc.md: Likewise.
8795 2001-07-02 Jim Wilson <wilson@redhat.com>
8797 * config/ia64/ia64.h: Delete obsolete lib1funcs.asm comment.
8799 2001-07-02 Steve Ellcey <sje@cup.hp.com>
8801 * config/ia64/t-ia64: Change LIB1ASMFUNCS to use single underscore.
8802 * config/ia64/lib1funcs.asm: Change macro names to match t-ia64.
8804 2001-07-02 Zack Weinberg <zackw@stanford.edu>
8806 * cppinit.c (lang_defaults): New table.
8807 (set_lang): Just read from lang_defaults into the live options
8810 2001-07-02 Zack Weinberg <zackw@stanford.edu>
8812 * Makefile.in (doc): Depend on $(GENERATED_MANPAGES).
8813 * doc/.cvsignore: Add gcc.1, cpp.1, gcov.1.
8814 * doc/gcc.1, doc/cpp.1, doc/gcov.1: Removed.
8816 2001-07-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8818 * doc/install.texi: Various spelling and markup fixes.
8819 (Installing GCC): Component specific installation instructions are
8822 Warn about removing old install dir in the presence of shared libs.
8823 (Configuration): Invoke with options target to match configure
8825 Consistently refer to gas, gld pathnames.
8826 Invert --enable-multilib documentation.
8827 Remove references to old compiler versions.
8829 Mon Jul 2 12:50:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8831 * flow.c (try_simplify_condjump): Fix typo in updating fallthru flags.
8833 2001-07-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8835 * doc/install.texi (Specific, mips*-sgi-irix4): Split from IRIX 5
8837 (Specific, mips*-sgi-irix5): Note IDO download.
8838 Reworded MIPS C hints.
8839 Use GNU as instead of GAS.
8841 Removed SGI Freeware reference, IRIX 6 only.
8842 (Specific, mips*-sgi-irix6): Removed ranlib caveats, obsolete.
8843 Note N64 library requirement/workaround.
8845 Complete list of structure passing bug victims.
8847 2001-07-02 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
8849 * doc/install.texi: Remove CVS Id.
8851 2001-07-02 Andreas Jaeger <aj@suse.de>
8853 * ssa-dce.c (note_inherently_necessary_set): Add unused attribute.
8854 (find_inherently_necessary): Remove unused variable.
8856 2001-07-02 Nathan Sidwell <nathan@codesourcery.com>
8858 * c-common.h (TDI_inlined): New ast dump phase.
8859 (dump_flag_name): New function.
8860 * c-dump.c (dump_files): Add inlined phase.
8861 (dump_flag_name): Define.
8862 * doc/invoke.texi (-fdump-ast-inlined): Document.
8864 Mon Jul 2 06:29:36 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8866 * stor-layout.c (layout_decl): Revert change to handling of alignment
8869 Sun Jul 1 11:53:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8871 * c-common.c (decl_attributes, case A_MODE): Don't call layout_decl
8874 2001-07-01 Geoffrey Keating <geoffk@redhat.com>
8876 * doc/tm.texi (FUNCTION_ARG): Document that the last call
8879 2001-07-01 Nathan Sidwell <nathan@codesourcery.com>
8881 * tlink.c (recompile_files): Remove COMPILER_PATH and
8882 LIBRARY_PATH from the environment.
8884 2001-07-01 Zack Weinberg <zackw@stanford.edu>
8886 * c-common.h (enum rid): Add RID_FIRST_AT, RID_LAST_AT,
8887 RID_LAST_PQ. Move RID_FIRST_PQ down with the other FIRST/LAST
8889 (OBJC_IS_AT_KEYWORD, OBJC_IS_PQ_KEYWORD): New macros.
8891 * c-parse.in (OBJC_STRING): Kill.
8892 (objc_string): Decompose to [objc_string] '@' STRING.
8893 (reswords): Take the leading '@' off all the Objective C keywords.
8894 (objc_rid_sans_at): Kill.
8895 (init_reswords): Don't initialize it.
8896 (yylexname): Use OBJC_IS_AT_KEYWORD and OBJC_IS_PQ_KEYWORD.
8897 (_yylex): Kill reconsider label. Look ahead one token after
8898 an '@'; if we get an identifier, check whether it's an
8899 Objective C @-keyword. If so, return the keyword. Otherwise,
8900 put back the token and return the '@' as a terminal.
8902 * cpplib.c (lex_macro_node): Remove unnecessary check for
8903 leading '@' on identifier. Clarify control flow and commentary.
8905 Sun Jul 1 11:53:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8907 * cse.c (new_label_ref): Variable deleted.
8908 (insert): Remove set of new_label_ref.
8909 (check_for_label_ref): New function.
8910 (cse_basic_block): Don't check new_label_ref; call check_for_label_ref.
8912 See ChangeLog.5 for earlier changes.