1 2001-09-21 Joseph S. Myers <jsm28@cam.ac.uk>
3 Table-driven attributes.
4 * c-decl.c, config/alpha/alpha.c, config/arc/arc.c,
5 config/arm/arm.c, config/arm/pe.c, config/avr/avr.c,
6 config/avr/avr.h, config/d30v/d30v.h, config/fr30/fr30.h,
7 config/h8300/h8300.c, config/i386/cygwin.h, config/i386/winnt.c,
8 config/m32r/m32r.c, config/mcore/mcore.c, config/sh/sh.c,
9 config/stormy16/stormy16.h, config/v850/v850.c, doc/c-tree.texi,
10 doc/tm.texi, ggc-common.c, integrate.c, print-tree.c, tree.c,
11 tree.h: Rename DECL_MACHINE_ATTRIBUTES to DECL_ATTRIBUTES.
12 * tree.h (struct tree_decl): Change machine_attributes to
14 * doc/c-tree.texi: Document that all attributes are now attached
16 * c-common.c (add_attribute, attrtab, attrtab_idx,
17 default_valid_lang_attribute, valid_lang_attribute): Remove.
18 (attribute_tables, attributes_initialized,
19 c_common_attribute_table, default_lang_attribute_table): New
21 (handle_packed_attribute, handle_nocommon_attribute,
22 handle_common_attribute, handle_noreturn_attribute,
23 handle_unused_attribute, handle_const_attribute,
24 handle_transparent_union_attribute, handle_constructor_attribute,
25 handle_destructor_attribute, handle_mode_attribute,
26 handle_section_attribute, handle_aligned_attribute,
27 handle_weak_attribute, handle_alias_attribute,
28 handle_no_instrument_function_attribute,
29 handle_no_check_memory_usage_attribute, handle_malloc_attribute,
30 handle_no_limit_stack_attribute, handle_pure_attribute): New
32 (init_attributes, decl_attributes): Rewrite to implement
33 table-driven attributes.
34 * c-common.h (enum attribute_flags): Move to tree.h.
35 * c-format.c (decl_handle_format_attribute,
36 decl_handle_format_arg_attribute): Rename to
37 handle_format_attribute and handle_format_arg_attribute. Update
38 for table-driven attributes.
39 * c-common.h (decl_handle_format_attribute,
40 decl_handle_format_arg_attribute): Remove prototypes.
41 (handle_format_attribute, handle_format_arg_attribute): Add
43 * c-decl.c (grokdeclarator): Handle attributes nested inside
45 * c-parse.in (setattrs, maybe_setattrs): Remove.
46 (maybe_type_quals_setattrs): Rename to maybe_type_quals_attrs.
47 Update to handle nested attributes properly.
48 (maybe_resetattrs, after_type_declarator,
49 parm_declarator_nostarttypename, notype_declarator, absdcl1_noea,
50 absdcl1_ea, direct_absdcl1): Update to handle nested attributes
52 (make_pointer_declarator): Update to handle nested attributes
54 * doc/extend.texi: Update documentation of limits of attributes
55 syntax. Warn about problems with attribute semantics in C++.
56 * target.h (struct target): Remove valid_decl_attribute and
57 valid_type_attribute. Add attribute_table and
58 function_attribute_inlinable_p.
59 * target-def.h (TARGET_VALID_DECL_ATTRIBUTE,
60 TARGET_VALID_TYPE_ATTRIBUTE): Remove.
61 (TARGET_ATTRIBUTE_TABLE, TARGET_FUNCTION_ATTRIBUTE_INLINABLE_P):
63 (TARGET_INITIALIZER): Update.
64 * integrate.c (FUNCTION_ATTRIBUTE_INLINABLE_P): Remove default
66 (function_attribute_inlinable_p): New function. Check for the
67 presence of any machine attributes before using
68 targetm.function_attribute_inlinable_p.
69 (function_cannot_inline_p): Update.
70 * Makefile.in (integrate.o): Update dependencies.
71 * doc/tm.texi: Update documentation of target attributes and
72 example definition of TARGET_VALID_TYPE_ATTRIBUTE.
73 * tree.c (default_valid_attribute_p, valid_machine_attribute):
75 (default_target_attribute_table,
76 default_function_attribute_inlinable_p): New.
77 (lookup_attribute): Update comment to clarify handling of multiple
78 attributes with the same name.
79 (merge_attributes, attribute_list_contained): Allow multiple
80 attributes with the same name but different arguments to appear in
81 the same attribute list.
82 * tree.h (default_valid_attribute_p): Remove prototype.
83 (struct attribute_spec): New.
84 (default_target_attribute_table): Declare.
85 (enum attribute_flags): Move from c-common.h. Add
86 ATTR_FLAG_TYPE_IN_PLACE.
87 (default_function_attribute_inlinable_p): Declare.
88 * config/alpha/alpha.c (vms_valid_decl_attribute_p): Remove.
89 (TARGET_VALID_DECL_ATTRIBUTE): Don't define.
90 (TARGET_ATTRIBUTE_TABLE): Define.
91 (vms_attribute_table): New.
92 * config/arc/arc.c (arc_valid_decl_attribute): Remove.
93 (TARGET_VALID_DECL_ATTRIBUTE): Don't define.
94 (TARGET_ATTRIBUTE_TABLE): Define.
95 (arc_attribute_table, arc_handle_interrupt_attribute): New.
96 * config/arm/arm.c (arm_valid_type_attribute_p,
97 arm_valid_decl_attribute_p, arm_pe_valid_decl_attribute_p):
99 (TARGET_VALID_TYPE_ATTRIBUTE, TARGET_VALID_DECL_ATTRIBUTE): Don't
101 (TARGET_ATTRIBUTE_TABLE): Define.
102 (arm_attribute_table, arm_handle_fndecl_attribute,
103 arm_handle_isr_attribute): New.
104 * config/avr/avr.c (avr_valid_type_attribute,
105 avr_valid_decl_attribute): Remove.
106 (TARGET_VALID_DECL_ATTRIBUTE, TARGET_VALID_TYPE_ATTRIBUTE): Don't
108 (TARGET_ATTRIBUTE_TABLE): Define.
109 (avr_attribute_table, avr_handle_progmem_attribute,
110 avr_handle_fndecl_attribute): New.
111 * config/c4x/c4x.c (c4x_valid_type_attribute_p): Remove.
112 (TARGET_VALID_TYPE_ATTRIBUTE): Don't define.
113 (TARGET_ATTRIBUTE_TABLE): Define.
114 (c4x_attribute_table, c4x_handle_fntype_attribute): New.
115 * config/h8300/h8300.c (h8300_valid_decl_attribute): Remove.
116 (TARGET_VALID_DECL_ATTRIBUTE): Don't define.
117 (TARGET_ATTRIBUTE_TABLE): Define.
118 (h8300_attribute_table, h8300_handle_fndecl_attribute,
119 h8300_handle_eightbit_data_attribute,
120 h8300_handle_tiny_data_attribute): New.
121 * config/i386/i386-protos.h (ix86_valid_type_attribute_p,
122 i386_pe_valid_decl_attribute_p, i386_pe_valid_type_attribute_p):
124 (ix86_handle_dll_attribute, ix86_handle_shared_attribute): New
126 * config/i386/i386.c (ix86_valid_type_attribute_p: Remove.
127 (TARGET_VALID_TYPE_ATTRIBUTE, TARGET_VALID_DECL_ATTRIBUTE): Don't
129 (TARGET_ATTRIBUTE_TABLE): Define.
130 (ix86_attribute_table, ix86_handle_cdecl_attribute,
131 ix86_handle_regparm_attribute): New.
132 * config/i386/winnt.c (i386_pe_valid_decl_attribute_p,
133 i386_pe_valid_type_attribute_p): Remove.
134 (ix86_handle_dll_attribute, ix86_handle_shared_attribute): New.
135 * config/ia64/ia64.c (ia64_valid_type_attribute): Remove.
136 (TARGET_VALID_TYPE_ATTRIBUTE): Don't define.
137 (TARGET_ATTRIBUTE_TABLE): Define.
138 (ia64_attribute_table): New.
139 * config/m32r/m32r.c (m32r_valid_decl_attribute, interrupt_ident1,
140 interrupt_ident2, model_ident1, model_ident2): Remove.
141 (TARGET_VALID_DECL_ATTRIBUTE): Don't define.
142 (TARGET_ATTRIBUTE_TABLE): Define.
143 (init_idents): Update.
144 (m32r_attribute_table, m32r_handle_model_attribute): New.
145 * config/m68hc11/m68hc11.c (m68hc11_valid_type_attribute_p):
147 (TARGET_VALID_TYPE_ATTRIBUTE): Don't define.
148 (TARGET_ATTRIBUTE_TABLE): Define.
149 (m68hc11_attribute_table, m68hc11_handle_fntype_attribute): New.
150 * config/mcore/mcore.c (mcore_valid_decl_attribute): Remove.
151 (TARGET_VALID_DECL_ATTRIBUTE): Don't define.
152 (TARGET_ATTRIBUTE_TABLE): Define.
153 (mcore_attribute_table, mcore_handle_naked_attribute): New.
154 * config/ns32k/ns32k.c (ns32k_valid_type_attribute_p): Remove.
155 (TARGET_VALID_TYPE_ATTRIBUTE): Don't define.
156 (TARGET_ATTRIBUTE_TABLE): Define.
157 (ns32k_attribute_table, ns32k_handle_fntype_attribute): New.
158 * config/rs6000/rs6000.c (rs6000_valid_type_attribute_p): Remove.
159 (TARGET_VALID_TYPE_ATTRIBUTE): Don't define.
160 (TARGET_ATTRIBUTE_TABLE): Define.
161 (rs6000_attribute_table, rs6000_handle_longcall_attribute): New.
162 * config/sh/sh.c (sh_valid_decl_attribute): Remove.
163 (TARGET_VALID_DECL_ATTRIBUTE): Don't define.
164 (TARGET_ATTRIBUTE_TABLE): Define.
165 (sh_attribute_table, sh_handle_interrupt_handler_attribute,
166 sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
168 * config/stormy16/stormy16.c (stormy16_valid_type_attribute):
170 (TARGET_VALID_TYPE_ATTRIBUTE): Don't define
171 (TARGET_ATTRIBUTE_TABLE): Define.
172 (stormy16_attribute_table, stormy16_handle_interrupt_attribute):
174 * config/v850/v850.c (v850_valid_decl_attribute): Remove.
175 (TARGET_VALID_DECL_ATTRIBUTE): Don't define.
176 (TARGET_ATTRIBUTE_TABLE): Define.
177 (v850_attribute_table, v850_handle_interrupt_attribute,
178 v850_handle_data_area_attribute): New.
179 * config/v850/v850-c.c (mark_current_function_as_interrupt):
180 Return void. Call decl_attributes instead of
181 valid_machine_attribute.
183 Fri Sep 21 01:49:41 2001 J"orn Rennecke <amylaar@redhat.com>
185 * sh-protos.h (sh_pr_n_sets): Declare.
186 * sh.c (calc_live_regs): If the initial value for PR has been copied,
187 look at the copy to determine if PR needs to be saved.
188 sh_pr_n_sets: New function.
189 * sh.h (RETURN_ADDR_RTX): Use get_hard_reg_initial_val.
190 (ALLOCATE_INITIAL_VALUE): Define.
192 * sh.c (initial_elimination_offset):
193 Fix RETURN_ADDRESS_POINTER_REGNUM case.
195 Fri Sep 21 01:13:56 2001 J"orn Rennecke <amylaar@redhat.com>
197 * integrate.c (allocate_initial_values): New function.
198 * integrate.h (allocate_initial_values): Declare.
199 * local-alloc.c (local_alloc): Move call to allocate_reg_info from
201 * reload1.c (reload): And initialization of reg_equiv_memory_loc
203 * toplev.c (rest_of_compilation): To here.
204 Call allocate_initial_values.
205 * tm.texi: add description for ALLOCATE_INITIAL_VALUE.
207 Thu Sep 20 09:00:27 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
209 * ggc-page.c (ggc_marked_p): Properly convert return to boolean.
211 2001-09-20 DJ Delorie <dj@redhat.com>
213 * c-typeck.c (really_start_incremental_init): Discriminate
214 between zero-length arrays and flexible arrays.
215 (push_init_level): Detect zero-length arrays and handle them
216 like fixed-sized arrays.
217 * expr.c (store_constructor): Handle zero-length arrays and
218 flexible arrays correctly.
219 * doc/extend.texi: Update zero-length array notes.
221 2001-09-20 Jim Wilson <wilson@redhat.com>
223 * config/ia64/ia64.c (itanium_split_issue): Allow max 2 FP per cycle.
224 (insn_matches_slot): Handle TYPE_L and TYPE_X slots when checking
225 for issue port conflicts.
226 (cycle_end_fill_slots): TYPE_L instructions take two slots.
228 2001-09-20 Andrew MacLeod <amacleod@redhat.com>
230 * testsuite/gcc.c-torture/execute/990208-1.x: New. XFAIL at -O3
233 Thu Sep 20 09:00:27 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
235 * fold-const.c (hashtab.h): Include.
236 (int_const_binop): Remove FORSIZE arg and compute from type; all
238 Call size_int_type_wide for all single-word constants.
239 (size_htab_hash, size_htab_eq): New functions.
240 (size_int_type_wide): Rework to use hash table.
241 * ggc-common.c (hashtab.h): Include.
242 (struct d_htab_root): New struct.
243 (d_htab_roots): New variable.
244 (ggc_add_deletable_htab, ggc_htab_delete): New functions
245 (ggc_mark_roots): Handle deletable htabs.
246 * ggc-page.c (ggc_marked_p): New function.
247 * ggc-simple.c (ggc_marked_p): Likewise.
248 * ggc.h: Reformatting throughout.
249 (ggc_marked_p, ggc_add_deletable_htab): New declarations.
250 * tree.c (init_obstacks): Make type_hash_table a deletable root.
251 (type_hash_add): Allocate struct type_hash from GC memory.
252 (mark_hash_entry, mark_type_hash): Deleted.
253 (type_hash_marked_p, type_hash_mark): New functions.
254 * Makefile.in (ggc-common.o, fold-const.o): Include hashtab.h.
256 Thu Sep 20 12:49:34 2001 J"orn Rennecke <amylaar@redhat.com>
258 * sh.c (shiftcosts): Don't use shiftcosts array for modes wider
261 Thu Sep 20 09:00:27 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
263 * stor-layout.c (layout_type, case ARRAY_TYPE): Kludge to disable
264 array-too-large test for signed sizetype.
266 Thu Sep 20 12:19:36 CEST 2001 Jan Hubicka <jh@suse.cz>
268 * i386.md (indirect_jump): Allow Pmode operand.
269 (tablejump): LIkewise; perform expansion to 64bit mode.
270 * i386.c (symbolic_operand): Allow 64bit PIC references.
271 (pic_symbolic_operand): Likewise.
272 (ix86_find_base_term): Strip the 64bit PIC references.
273 (legitimate_pic_address_disp_p): Handle 64bit PIC.
274 (legitimize_pic_address): Likewise.
275 (i386_simplify_dwarf_addr): Strip down the 64bit PIC references.
276 * i386.h (CASE_VECTOR_MODE): Set to SImode for 64bit PIC compilation.
278 2001-09-19 Alan Modra <amodra@bigpond.net.au>
279 David Edelsohn <edelsohn@gnu.org>
282 * config/rs6000/rs6000.c (logical_operand): CONST_INTs are
283 already sign-extended.
285 * config/rs6000/aix.h (INIT_TARGET_OPTABS): Define TFmode handlers.
286 * config/rs6000/rs6000.c (logical_operand): Always compare op as
288 (rs6000_emit_set_long_const): Avoid unnecessary shift.
289 (output_profile_hook): Declare label_name const.
290 * config/rs6000/rs6000.md (boolcsi3, boolcdi3): Change predicates
291 to match constraints.
293 2001-09-19 Stan Shebs <shebs@apple.com>
295 * alias.c: Fix typos in comments.
296 * sched-rgn.c (init_ready_list): Ditto.
297 * unwind-dw2.c (uw_frame_state_for): Ditto.
298 * unwind-dw2-fde.c (_Unwind_Find_FDE): Ditto.
299 * unwind.inc (_Unwind_RaiseException_Phase2): Ditto.
300 * config/rs6000/rs6000.c (rs6000_adjust_priority): Ditto.
302 2001-09-19 Richard Henderson <rth@redhat.com>
304 * cfg.c (force_nonfallthru_and_redirect): Handle redirecting
306 * Makefile.in (cfg.o): Depend on TM_P_H.
308 2001-09-19 Richard Henderson <rth@redhat.com>
310 * config/alpha/alpha.c (local_symbol_p): Split out from ...
311 (local_symbolic_operand): ... here.
312 (small_symbolic_operand): Check mode.
313 (global_symbolic_operand): New.
314 (input_operand): Reject symbolics if explicit relocs.
315 (call_operand): Tidy.
316 (alpha_legitimize_address): Use movdi_er_high_g.
317 (alpha_expand_mov): Likewise.
318 * config/alpha/alpha-protos.h: Update.
319 * config/alpha/alpha.h (PREDICATE_CODES): Update.
320 * config/alpha/alpha.md (UNSPEC_LITERAL, UNSPEC_LITUSE): New.
321 (UNSPEC_LDGP2, UNSPECV_PLDGP2): New.
322 (UNSPECV_LDGP2): Remove.
323 (all call patterns): Use 's' not 'i' for symbolic constraint.
324 (call_osf call_value_osf): Use call_operand.
325 (all osf call patterns): Use $gp. New peepholes for explicit relocs.
326 (movdi_er_nofix, movdi_er_fix): Remove symbolic alternative.
327 (prologue_ldgp_1_er): Remove.
328 (ldgp_er_1, ldgp_er_2, prologue_ldgp_er_2): New.
329 (builtin_setjmp_receiver_er patterns): Use them.
330 (exception_receiver_er): Likewise.
332 2001-09-19 Richard Henderson <rth@redhat.com>
334 * cfgbuild.c (find_sub_basic_blocks): Handle insns that can throw.
336 * emit-rtl.c (try_split): Copy NORETURN, SETJMP, ALWAYS_RETURN
337 and NON_LOCAL_GOTO notes.
338 * recog.c (peephole2_optimize): Likewise. Handle EH_REGION;
339 copy over CALL_INSN_FUNCTION_USAGE.
341 2001-09-18 Catherine Moore <clm@redhat.com>
343 * config/stormy16/stormy16.h (DEFAULT_PCC_STRUCT_RETURN):
346 2001-09-18 Ulrich Weigand <uweigand@de.ibm.com>:
348 * config.gcc (s390-*-linux-*, s390x-*-linux*): Switch to
349 new-style tm_file specification. Specify correct tm_p_file,
350 md_file, and out_file for s390x.
352 * config/s390/linux.h, linux64.h: Don't include other target
353 macro header files. Now handled via tm_file.
355 * config/s390/linux.h, s390.h: (IEEE_FLOAT, TARGET_IEEE_FLOAT,
356 TARGET_IBM_FLOAT): Move from linux.h to s390.h to ensure they
357 are defined before use.
359 Tue Sep 18 09:51:11 2001 Eric Christopher <ecechristo@redhat.com>
361 * config/mips/mips.c (mips_asm_file_start): Conditionalize Elf
362 code generation only for Gnu assembler.
364 2001-09-18 Catherine Moore <clm@redhat.com>
366 * config/stormy16 (LIB_SPEC): Remove -lnosys.
368 2001-09-18 Richard Sandiford <rsandifo@redhat.com>
370 * config/mips/mips.c (mips_frame_set): New.
371 (mips_emit_frame_related_store): When storing two 32-bit FPRs, use
372 a parallel frame-related expression with a set for each register.
374 2001-09-18 Philip Blundell <philb@gnu.org>
376 * config/arm/lib1funcs.asm (L_dvmd_lnx): Don't rely on kernel
379 2001-09-17 Dale Johannesen <dalej@apple.com>
381 * config/rs6000/rs6000.h (FIXED_REGISTERS): Use FIXED_R2.
382 * config/rs6000/aix.h (FIXED_R2): Define.
383 * config/rs6000/darwin.h (FIXED_R2): Define.
384 * config/rs6000/sysv4.h (FIXED_R2): Define.
386 2001-09-17 Jeff Sturm <jsturm@one-point.com>
388 * except.c (dw2_build_landing_pads): New local
389 clobbers_hard_regs. Emit an ASM_INPUT as a scheduling
390 barrier after clobbers. Fixes c++/4012.
392 2001-09-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
394 * gcc.c (find_file): Use ACONCAT in lieu of alloca/strcpy/strcat.
396 2001-09-17 Joseph S. Myers <jsm28@cam.ac.uk>
398 * dostage2, dostage3, listing, make-l2.com, makefile.vms,
399 patch-apollo-includes, vmsconfig.com: Remove obsolete files.
401 2001-09-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
403 * c-aux-info.c (affix_data_type): Use ASTRDUP in lieu of
406 2001-09-17 Neil Booth <neil@daikokuya.demon.co.uk>
408 * cpphash.h (_cpp_lex_direct): New.
409 * cpplex.c (_cpp_lex_token): Update.
410 (lex_token): Rename _cpp_lex_direct; lex into pfile->cur_token,
411 and increment that pointer.
412 * cppmacro.c (alloc_expansion_token): New.
413 (lex_expansion_token): Lex macro expansion directly into
416 2001-09-16 Brad Lucier <lucier@math.purdue.edu>
418 * Makefile.in: Make rtl-error.o depend on $(CONFIG_H).
420 Sun Sep 16 21:59:46 CEST 2001 Jan hubicka <jh@suse.cz>
422 * basic-block.h (free_bb_for_insn): Declare.
423 * bb-reorder.c (label_for_bb): Use block_label.
424 (emit_jump_to_block_after): Remove.
425 (insert_intra_1): Do not update block_for_insn.
426 (insert_inter_bb_scope_notes): Likewise; update bb->end
427 * cfg.c (free_bb_for_insn): New.
428 (try_rediret_by_replacing_jump): Avoid set_block_for_new_insns call.
429 (force_nonfallthru_and_redirect): Likewise; do not update BB boundaries.
430 (commit_one_edge_insertion): Likewise.
431 (commit_one_edge_insertion): Do not update BB boundary.
432 (commit_edge_insertions): Do not call compute_bb_for_insn.
433 * cfgbuild.c (find_basic_blocks): Do not free basic_block_for_insn.
434 * cfgcleanup.c (merge_blocks_move_predecessor): Use reorder_insns_nobb.
435 (merge_blocks_move_successor_nojumps): Likewise.
436 (try_crossjump_to_edge): Do not update block_for_insn.
437 * combine.c (combine_instructions): Remove compute_bb_for_insn call.
438 * df.c (df_pattern_emit_later): Do not update BB boundary.
439 (df_jump_pattern_emit_after): Likewise.
440 (df_insn_move_before): Use emit_insn_before.
441 * emit-rtl.c (try_split): Emit after trial to get bb boundary updated
443 (add_insn_after, add_insn_before, emit_insns_after): Update BB
444 boundaries and basic_block_for_insn.
445 (reorder_insns_nobb): Rename from reorder_insns.
446 (reorder_insns): New.
447 (emit_block_insn_before, emit_block_insn_after): Kill.
448 * flow.c (check_function_return_warnings): Do not call
449 compute_bb_for_insn; Do not free basic_block_for_insn.
450 (attempt_auto_inc): Do not update basic_block_for_insn.
451 * function.c (emit_return_into_block): Likewise;
452 do not update BB boundaries.
453 * gcse.c (handle_avail_expr): Do not update basic_block_for_insn.
454 (insert_insn_end_bb): Use emit_insn_before; Likewise.
455 (pre_insert_copy_insn): Likewise.
456 (update_ld_motion_notes): Likewise.
457 (insert_insn_start_bb): Likewise.
458 (replace_store_insn): Likewise.
459 * ifcvt.c (noce_process_if_block): Likewise.
460 (if_convert): Do not call compute_bb_for_insn.
461 * lcm.c (optimize_mode_switching): Do not update BB boundaries.
462 Use emit_insn_before and emit_insn_after.
463 * recog.c (split_all_insns): Do not update BB boundaries;
464 Do not call compute_bb_for_insn.
465 (peephole2_optimize): Do not update BB boundaries.
466 * reg-stack.c (emit_pop_insn): Use emit_insn_after and
468 (emit_swap_insn): Likewise.
469 (convert_regs_1): Likewise.
470 * reload1.c (reload): Call compute_bb_for_insn.
471 * rtl.h (reorder_insns_nobb): Declare.
472 * ssa.c (rename_equivalent_regs): Use emit_insn_before.
473 * toplev.c (rest_of_compilation): Call free_bb_for_insn
474 at places CFG is invalidated; do not call compute_bb_for_insn.
476 * cfg.c (expunge_block): Invalidate BB structure.
478 * (merge_blocks_nomove): Update properly BLOCK_FOR_INSN
481 * cfg.c (verify_flow_info): Verify the basic_block_for_insn array.
483 2001-09-16 Neil Booth <neil@daikokuya.demon.co.uk>
485 * cpphash.h (_cpp_lex_token): Update prototype.
486 * cpplex.c (_cpp_lex_token): New prototype.
487 * cpplib.c (skip_rest_of_line, check_eol, _cpp_handle_directive,
488 lex_macro_node, read_flag, do_pragma_poison): Update.
489 * cppmacro.c (cpp_get_token, parse_params,
490 lex_expansion_token): Update.
492 2001-09-16 Neil Booth <neil@daikokuya.demon.co.uk>
494 * cppmain.c (scan_translation_unit): Don't worry about
495 putting a space after hashes.
496 * cpplib.c (directive_diagnostics): New.
497 (_cpp_handle_directive): Update to use directive_diagnostics.
498 (run_directive): Don't toggle prevent_expansion.
499 (do_line): Backup in case of the line extension.
500 * cpplib.h (cpp_lexer_pos): Remove.
501 * cppmacro.c (_cpp_create_definition): Precede a leading #
504 2001-09-15 Richard Henderson <rth@redhat.com>
506 * c-typeck.c (comptypes): Handle zero-length arrays properly.
508 2001-09-15 Roman Lechtchinsky <rl@cs.tu-berlin.de>
510 * c-common.c (c_promoting_integer_type_p): Handle ?Imode types.
512 2001-09-15 Neil Booth <neil@daikokuya.demon.co.uk>
515 * tradcpp.c (handle_directive): Skip non-vertical space.
517 2001-09-15 Neil Booth <neil@daikokuya.demon.co.uk>
519 * cppmain.c (setup_callbacks): Set line callback only
520 if outputting preprocessed source.
522 2001-09-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
524 * collect2.c (main): Const-ification.
525 * gcc.c (translate_options, process_command): Use xstrdup in
526 lieu of xmalloc/strcpy.
527 (main): Use concat in lieu of xmalloc/strcpy/strcat.
529 2001-09-14 Roman Lechtchinsky <rl@cs.tu-berlin.de>
531 * doc/install.texi (Specific, alphaev5-cray-unicosmk*): Fix
534 2001-09-15 Neil Booth <neil@daikokuya.demon.co.uk>
536 * scan-decls.c (scan_decls): Fix typo.
538 2001-09-15 Neil Booth <neil@daikokuya.demon.co.uk>
540 * cpphash.h (struct cpp_reader): Remove lexer_pos, directive_pos.
541 Split mlstring_pos into mls_line and mls_col.
542 * cppinit.c (cpp_create_reader): Initialize line to 1.
543 (cpp_destroy): Free tokenruns.
544 (push_include): Don't update lexer_pos.
545 * cpplex.c (unterminated, parse_string): Update.
546 (lex_token): Don't update lexer_pos, update.
547 * cpplib.c (if_stack): Save line instead of line + col.
548 (start_directive, _cpp_do__Pragma, do_else, do_elif,
549 push_conditional, _cpp_pop_buffer): Update.
550 * cppmacro.c (funlike_invocation_p): Don't save lexer_pos.
551 (_cpp_create_definition): Update.
553 2001-09-15 Eric Christopher <echristo@redhat.com>
555 * config/mips/abi64.h: Add support for MEABI.
557 2001-09-15 Eric Christopher <echristo@redhat.com>
559 * config/mips/mips.md: Add unspec #2.
561 (reload_outdi): Ditto.
562 (reload_outsi): Ditto.
565 2001-09-15 Eric Christopher <echristo@redhat.com>
566 Jason Eckhardt <jle@redhat.com>
568 * config.gcc: Add mipsisa32 target and mipsisa32-linux target.
569 * config/mips/isa32-linux.h: New file.
570 * config/mips/isa3264.h: Ditto.
571 * config/mips/mips-protos.h: Add mips_hard_regno_nregs.
572 * config/mips/mips.c (mips_hard_regno_nregs): Move here from mips.h.
573 (output_block_mode): Support MEABI.
574 (function_arg): Ditto. Fix floating point arg passing.
575 (mips_va_start): Ditto.
576 (override_options): Add isas 32 and 64, meabi, mips32 and mips64
578 (mips_asm_file_start): Add new section to pass abi to gdb.
579 (function_arg_pass_by_reference): Support MEABI.
580 (mips_parse_cpu): Support mips32 and mips64 processors.
581 * config/mips/mips.h: Support ABI_MEABI, TARGET_MIPS4KC,
582 TARGET_MIPS5KC. Support isa32 and isa64.
583 (processor_type): Add r4kc, r5kc, r20kc.
584 (GENERATE_MULT3_SI): New.
585 (GENERATE_MULT3_DI): Ditto.
586 (GENERATE_MULT3): Remove.
587 (ISA_HAS_64BIT_REGS): Add isa == 64.
588 (ISA_HAS_8CC): Add mips_isa = 32 and 64.
589 (ISA_HAS_MADD_MSUB): New.
590 (ISA_HAS_CLZ_CLO): Ditto.
591 (ISA_HAS_DCLZ_DCLO): Ditto.
592 (ABI_GAS_ASM_SPEC): New.
593 (GAS_ASM_SPEC): Use. Add support for mips32, mips64.
596 (SUBTARGET_CC1_SPEC): Ditto.
597 (SUBTARGET_CPP_SIZE_SPEC): Ditto.
598 (PAD_VARARGS_DOWN): Support MEABI.
599 (HARD_REGNO_NREGS): Move to mips.c.
600 (ASM_OUTPUT_IDENT): Add #undef.
601 * config/mips/mips.md: Add r4kc, r5kc, r20kc.
602 (mulsi3): Use GENERATE_MULT3_SI.
603 (mulsi3_mult3): Ditto. Support mips32, mips64.
604 (mul_acc_si): Use ISA_HAS_MADD_MSUB.
605 (mul_sub_si): New pattern.
606 (unnamed splitters): New.
607 (muldi3): Use GENERATE_MULT3_DI.
608 (muldi3_internal2): Ditto.
609 (movdicc): Support mips32.
610 * config/mips/t-isa3264: New file.
612 2001-09-15 Hans-Peter Nilsson <hp@axis.com>
614 * rtl.h (FIND_REG_INC_NOTE) [HAVE_PRE_INCREMENT
615 || HAVE_PRE_DECREMENT || HAVE_POST_INCREMENT
616 || HAVE_POST_DECREMENT]: Call find_regno_note for REGs.
618 * reorg.c (fill_slots_from_thread): After call to
619 steal_delay_list_from_target, update own_thread as new_thread may
622 2001-09-14 Neil Booth <neil@daikokuya.demon.co.uk>
624 * cpperror.c (print_location): Take line and column, for
625 default positioning use the previously lexed token.
626 (_cpp_begin_message): Take line and column.
627 (cpp_ice, cpp_fatal, cpp_error, cpp_error_with_line, cpp_warning,
628 cpp_warning_with_line, cpp_pedwarn, cpp_pedwarn_with_line): Update.
629 * cpphash.h (_cpp_begin_message): Update prototype.
630 * cppinit.c (push_include): Don't set output line.
631 * cpplex.c (_cpp_lex_token): Callback for start of new output lines.
632 * cpplib.c (do_diagnostic, _cpp_pop_buffer): Update.
633 (do_pragma): Kludge for front ends. Don't expand macros at all.
634 * cpplib.h (cpp_lookahead, cpp_token_with_pos, cpp_get_line): Remove.
635 (struct cpp_token): Remove output_line.
636 (struct cpp_callbacks): New member line_change.
637 * cppmacro.c (builtin_macro, paste_all_tokens, replace_args,
638 cpp_get_token): Preserve BOL flag.
639 (cpp_get_line): Remove.
640 (_cpp_backup_tokens): Remove useless abort().
641 * cppmain.c (cb_line_change): New.
642 (scan_translation_unit): Don't worry about starting new lines here.
643 * scan-decls.c (scan_decls): Update.
644 * c-lex.c (c_lex, init_c_lex): Update.
645 (cb_line_change, src_lineno): New.
647 Fri Sep 14 13:54:50 EDT 2001 John Wehle (john@feith.com)
649 * tree.c (append_random_chars): Generate the random
650 characters in a reproducable fashion.
652 2001-09-14 Richard Henderson <rth@redhat.com>
654 * config/i386/i386.c (internal_label_prefix): New.
655 (internal_label_prefix_len): New.
656 (override_options): Set them.
657 (local_symbolic_operand): New.
658 (legitimate_pic_address_disp_p): Use it.
659 (legitimize_pic_address): Likewise.
661 2001-09-14 Marc Espie <espie@openbsd.org>
663 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Generate reference to GOT
666 2001-09-14 Roman Lechtchinsky <rl@cs.tu-berlin.de>
668 * config/alpha/alpha.md (unaligned_extendhidi_be): Fix.
669 * config/alpha/unicosmk.h (INIT_TARGET_OPTABS): New.
671 2001-09-14 Nick Clifton <nickc@cambridge.redhat.com>
673 * rtlanal.c (subreg_regno_offset): Add semicolon to end of
674 invocation of SUBREG_REGNO_OFFSET.
676 * haifa-sched.c: Fix typo in FSF copyright statement.
677 * sched-deps.c: Fix typo in FSF copyright statement.
678 * sched-ebb.c: Fix typo in FSF copyright statement.
679 * sched-rgn.c: Fix typo in FSF copyright statement.
680 * sched-vis.c: Fix typo in FSF copyright statement.
682 * config.gcc: Move inclusion of arm elf specific header files
683 from the files themselves into the tm_file variable. Make
684 sure that elfos.h is included before target specific elf
686 * config/arm/aout.h (NO_DOLLAR_IN_LABEL): Only define if not
688 (ASM_OUTPUT_ASCII, ASM_OUTPUT_SKIP): Protect definition.
689 * config/arm.arm.h (TARGET_MEM_FUNCTIONS,
690 ASM_OUTPUT_CASE_LABEL): Protect definition.
691 (CC1_SPEC, FP_DEFAULT, ARM_FUNCTION_PROFILE): Only define if
693 * config/arm/conix-elf.h: (USER_LABEL_PREFIX,
694 LOCAL_LABEL_PREFIX, MAKE_DECL_ONE_ONLY, UNIQUE_SECTION):
695 Remove duplicate definition.
696 (READONLY_DATA_SECTION, SUBTARGET_EXTRA_SECTION,
697 (SUBTARGET_EXTRA_SECTION_FUNCTION, RDATA_SECTION_ASM_OP,
698 (RDATA_SECTION_FUNCTION): Remove redundant definition.
699 (STARTFILE_SPEC, ENDFILE_SPEC): Protect definition.
700 Remove inclusion of arm/elf.h.
701 * config/arm/unknown-elf.h: as for conix-elf.h.
702 (STARTFILE_SPEC): Include crti.o and crtn.o.
703 * config/arm/linux-elf.h: as for conix-elf.h.
704 * config/arm/ecos-elf.h: Remove inclusion of unknown-elf.h.
705 * config/arm/strongarm-elf.h: Remove inclusion of
707 * config/arm/xscale-elf.h: Remove inclusion of unknown-elf.h.
708 * config/arm/unknown-elf-oabi.h: Remove inclusion of
709 unknown-elf.h and elf.h.
710 * config/arm/uclinux-elf.h: Remove inclusion of linux-elf.h.
711 * config/arm/linux-gas.h (DBX_DEBUGGING_INFO,
712 ASM_WEAKEN_LABEL): Remove redundant definition.
713 * config/arm/elf.h: Test for inclusion of elfos.h
714 (USER_LABEL_PREFIX, ASM_DECLARE_RESULT, ASM_DECLARE_RESULT,
715 ASM_DECLARE_OBJECT_NAME, ASM_FINISH_DECLARE_OBJECT_NAME,
716 SUBTARGET_EXTRA_SECTION, SUBTARGET_EXTRA_SECTION_FUNCTION,
717 EXTRA_SECTIONS, INT_ASM_OP, ASM_WEAKEN_LABEL): Remove
718 redundant definition.
719 (TYPE_OPERAND_FMT, ASM_DECLARE_FUNCTION_NAME,
720 ASM_DECLARE_FUNCTION_SIZE, ASM_OUTPUT_INTERNAL_LABEL,
721 ASM_OUTPUT_ALIGNED_COMMON): Protect definition.
722 * t-arm-elf (EXTRA_MULTILIB_PARTS): Add crti.o and crtn.o.
723 Add rules to build crti.o and crtn.o
724 * crti.asm: New file.
725 * crtn.asm: New file.
727 2001-09-13 Neil Booth <neil@daikokuya.demon.co.uk>
729 * c-parse.in (_yylex): Use _cpp_backup_tokens.
730 * cpphash.h (struct tokenrun): Add prev.
731 (struct lexer_state): Remove bol.
732 (struct cpp_reader): Remove old lookahead stuff, add lookaheads.
733 (_cpp_free_lookaheads, _cpp_release_lookahead, _cpp_push_token)
735 * cppinit.c (cpp_create_reader): Don't set bol.
736 (cpp_destroy): Don't free lookaheads.
737 * cpplex.c (lex_directive): Remove.
738 (next_tokenrun): Update.
739 (_cpp_lex_token): Clean up logic.
740 (lex_token): Update to return a pointer to lexed token, since it
741 can move to the start of the buffer. Simpify newline handling.
742 * cpplib.c (SEEN_EOL): Update.
743 (skip_rest_of_line): Remove lookahead stuff.
744 (end_directive): Line numbers are already incremented. Revert
745 to start of lexed token buffer if we can.
746 (_cpp_handle_directive, do_pragma, do_pragma_dependency,
747 parse_answer): Use _cpp_backup_tokens.
748 (run_directive, cpp_pop_buffer): Don't set bol, set saved_flags
749 instead. Don't check for EOL.
750 (do_include_common, do_line, do_pragma_system_header): Use
752 * cpplib.h (BOL, _cpp_backup_tokens): New.
753 * cppmacro.c (save_lookahead_token, take_lookahead_token,
754 alloc_lookahead, free_lookahead, _cpp_free_lookaheads,
755 cpp_start_lookahead, cpp_stop_lookahead, _cpp_push_token): Remove.
756 (builtin_macro): Don't use cpp_get_line.
757 (cpp_get_line): Short term kludge.
758 (parse_arg): Handle directives in arguments here. Back up when
759 appropriate. Store EOF at end of argument list.
760 (funlike_invocation_p): Use _cpp_backup_tokens.
761 (push_arg_context): Account for EOF at end of list.
762 (cpp_get_token): Remove lookahead stuff. Update.
764 2001-09-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
766 * c-parse.in (yyerror): Const-ification and/or static-ization.
767 * c-typeck.c (push_member_name): Likewise.
768 * collect2.c (main): Likewise.
769 * dbxout.c (dbxout_parms): Likewise.
770 * diagnostic.c (format_with_decl): Likewise.
771 * dwarf2out.c (output_ranges): Likewise.
772 * dwarfout.c (fundamental_type_code): Likewise.
773 * except.c (dw2_output_call_site_table): Likewise.
774 * gcc.c (do_spec_1): Likewise.
775 * genopinit.c (optabs): Likewise.
776 * objc/objc-act.c (synth_id_with_class_suffix, start_class,
777 gen_declaration_1, handle_impent): Likewise.
778 * protoize.c (default_include, in_system_include_dir, abspath):
780 * sched-vis.c (visualize_stall_cycles): Likewise.
781 * sdbout.c (plain_type_1, sdbout_end_function,
782 sdbout_end_epilogue): Likewise.
783 * varasm.c (decode_reg_name): Likewise.
785 * 1750a.c (mod_regno_adjust): Likewise.
786 * alpha.c (alpha_write_one_linkage,
787 unicosmk_output_default_externs): Likewise.
788 * arm.c (arm_condition_codes): Likewise.
789 * arm.h (arm_condition_codes): Likewise.
790 * avr.c (output_movsisf, encode_section_info): Likewise.
791 * darwin.h (GEN_BINDER_NAME_FOR_STUB, GEN_SYMBOL_NAME_FOR_SYMBOL):
793 * i386.c (hi_reg_name, qi_reg_name, qi_high_reg_name): Likewise.
794 * i386.h (hi_reg_name, qi_reg_name, qi_high_reg_name): Likewise.
795 * m88k.c (output_function_profiler): Likewise.
796 * mips.c (mips_output_conditional_branch): Likewise.
797 * ns32k.c (ns32k_out_reg_names): Likewise.
798 * ns32k.h (ns32k_out_reg_names): Likewise.
799 * pj.c (pj_output_rval): Likewise.
800 * rs6000.c (GEN_LOCAL_LABEL_FOR_SYMBOL): Likewise.
801 * sparc.c (sparc_flat_function_prologue,
802 sparc_flat_function_epilogue): Likewise.
804 2001-09-13 Markus Werle <numerical.simulation@web.de>
805 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
807 * doc/install.texi (Binaries): Add "Binaries for HP-UX 11.00 at
808 Aachen University of Technology".
810 2001-09-13 Andreas Schwab <schwab@suse.de>
812 * config/float-m68k.h: Define DECIMAL_DIG and FLT_EVAL_METHOD for
815 2001-09-13 Richard Henderson <rth@redhat.com>
817 * config/alpha/alpha.c (small_symbolic_operand): New.
818 (override_options): Set MASK_SMALL_DATA based on pic/PIC.
819 (some_operand, input_operand): Don't handle HIGH.
820 (alpha_legitimize_address): Use it. Emit HIGH with PLUS gp.
821 (alpha_expand_mov): Likewise.
822 (print_operand) [H]: Just print HIGH symbol.
823 (print_operand_address): Handle small data.
824 * config/alpha/alpha.h (MASK_SMALL_DATA, TARGET_SMALL_DATA): New.
825 (TARGET_SWITCHES): Add -msmall-data/large-data.
826 (PIC_OFFSET_TABLE_REGNUM): New.
827 (PREFERRED_RELOAD_CLASS): Don't handle HIGH.
828 (PREDICATE_COES): Update.
829 * config/alpha/alpha.md (adddi_er_high): New.
830 (adddi_er_low): Handle small data.
831 * config/alpha/elf.h (DO_SELECT_SECTION): If SMALL_DATA,
832 prefer .sdata to .rodata.
833 (SELECT_RTX_SECTION): Likewise.
835 2001-09-12 Josh Martin <josh.martin@abq.sc.philips.com>
837 * fixinc/inclhack.def(hpux11_size_t): Keep HP-UX headers from
838 defining __size_t and leaving size_t undefined.
840 2001-09-12 Diego Novillo <dnovillo@redhat.com>
842 * basic-block.h (expunge_block): Declare.
843 * cfg.c (expunge_block): Remove static declaration.
845 2001-09-12 Richard Henderson <rth@redhat.com>
847 * integrate.c (copy_insn_list): Copy label name from
848 NOTE_INSN_DELETED_LABEL.
850 2001-09-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
852 * c-common.c (c_tree_code_name): Const-ification.
853 * c-decl.c (c_decode_option): Likewise.
854 * c-typeck.c (warn_for_assignment): Likewise.
855 * collect2.c (libexts, is_ctor_dtor, main, ignore_library):
857 * cppinit.c (output_deps): Likewise.
858 * dependence.c (dependence_string, direction_string): Likewise.
859 * dwarf2out.c (output_ranges): Likewise.
860 * fixinc/fixfixes.c (emit_gnu_type): Likewise.
861 * fixinc/gnu-regex.c (re_error_msgid): Likewise.
862 * gcc.c (standard_exec_prefix, standard_exec_prefix_1,
863 standard_startfile_prefix, standard_startfile_prefix_1,
864 standard_startfile_prefix_2, tooldir_base_prefix,
865 standard_bindir_prefix, find_a_file): Likewise.
866 * genattrtab.c (make_length_attrs): Likewise.
867 * gencheck.c (tree_codes): Likewise.
868 * genemit.c (gen_split): Likewise.
869 * genrecog.c (special_mode_pred_table): Likewise.
870 * graph.c (graph_ext): Likewise.
871 * protoize (default_include): Likewise.
872 * reload.c (reload_when_needed_name): Likewise.
873 * sched-vis.c (visualize_stall_cycles): Likewise.
874 * tlink.c (recompile_files): Likewise.
875 * toplev.c (decode_g_option): Likewise.
876 * tradcpp.c (output_deps): Likewise.
877 * varasm.c (decode_reg_name): Likewise.
879 * arm.c (arm_condition_codes, strings_fpa, thumb_condition_code):
882 * avr.c (avr_regnames, encode_section_info): Likewise.
883 * c4x.c (float_reg_names): Likewise.
884 * darwin.h (ASM_GLOBALIZE_LABEL): Likewise.
885 * elfos.h (const_section): Likewise.
886 * i386.c (ix86_comp_type_attributes): Likewise.
887 * i386/win32.h (STRIP_NAME_ENCODING): Likewise.
888 * ia64/aix.h (UNIQUE_SECTION): Likewise.
889 * ia64.c (type_names): Likewise.
890 * m68hc11.c (reg_class_names): Likewise.
891 * m88k.c (m_options): Likewise.
892 * mips.c (mips_output_conditional_branch, mips_unique_section):
894 * rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
895 * sparc.c (sparc_flat_function_prologue, sparc_flat_function_epilogue,
896 ultra_code_names): Likewise.
897 * sparc.h (OVERRIDE_OPTIONS): Likewise.
899 2001-09-12 Jakub Jelinek <jakub@redhat.com>
901 * configure.in (gcc_cv_as_shf_merge): Fix a typo.
902 Use --fatal-warnings option for gas.
903 * configure: Rebuilt.
905 2001-09-12 Roman Lechtchinsky <rl@cs.tu-berlin.de>
907 * doc/install.texi (Specific, alphaev5-cray-unicosmk*): Document.
909 2001-09-11 Jim Wilson <wilson@redhat.com>
911 * alias.c (clear_reg_alias_info): Only handle pseudo registers.
913 2001-10-11 Matt Kraai <kraai@alumni.carnegiemellon.edu>
915 * builtins.c (c_strlen): Treat an offset too large for a
916 HOST_WIDE_INT as out of range.
918 Tue Sep 11 18:57:47 CEST 2001 Jan Hubicka <jh@suse.cz>
920 * basic-block.h (EDGE_CRITICAL): Remove; renumber other flags.
921 (EDGE_CRITICAL_P): New predicate.
922 * cfg.c (force_nonfallthru_and_redirect, split_edge): Kill EDGE_CRITICAL
924 (insert_insn_on_edge): Use EDGE_CRITICAL_P.
925 (dump_edge_info): Remove "crit".
926 * cfganal.c (mark_critical_edges): Kill.
927 * cfgbuild.c (find_basic_blocks): Remove mark_critical_edges call.
928 * cfgcleanup.c (cleanup_cfg): Likewise.
929 * profile.c (instrument_edges): Use EDGE_CRITICAL_P.
930 (find_spanning_tree): Likewise.
931 * reg-stack.c (convert_regs_1): Likewise.
932 * ssa.c (mark_regs_equivalent_over_bad_edges): Likewise.
934 * basic-block.h (create_basic_block_structure): New.
935 (create_basic_block): Update prototype.
936 (force_nonfallthru): New.
937 * bb-reorder.c (fixup_reorder_chain): Fixup use force_nonfallthru.
938 * cfg.c (create_basic_block_structure): Rename from create_basic_block;
939 handle updating of block_for_insn, creating of empty BBs and BBs at
940 the end of INSN chain.
941 (create_basic_block): New function.
942 (split_block): Use create_basic_block.
943 (force_nonfallthru_and_redirect): Break out from ...; cleanup
944 (redirect_edge_and_branch_force): ... here.
945 (force_nonfallthru): New.
946 (split_edge): Rewrite to use force_nonfallthru and create_block.
947 * cfgbuild.c (find_basic_blocks_1): Use create_basic_block_structure.
948 (find_basic_blocks): Free basic_block_for_insn.
949 * cfgcleanup.c (merge_blocks): Use force_nonfallthru.
951 * cfg.c: Fix formating.
952 * cfgcleanup.c: Fix formating.
953 (merge_blocks, tail_recursion_label_p): Return bool.
954 (merge_blocks_move_predecessor_nojumps,
955 merge_blocks_move_successor_nojumps): Return void.
957 2001-09-11 Jakub Jelinek <jakub@redhat.com>
959 * configure.in: Check whether assembler supports section merging.
960 * config.in: Rebuilt.
961 * configure: Rebuilt.
962 * varasm.c (variable_section, output_constant_pool): Pass alignment
963 to SELECT_SECTION and SELECT_RTX_SECTION.
964 (mergeable_string_section): New.
965 (mergeable_constant_section): New.
966 (default_elf_asm_named_section): Output SECTION_MERGE and
967 SECTION_STRINGS flags plus SECTION_ENTSIZE entity size.
968 * output.h (mergeable_string_section): New.
969 (mergeable_constant_section): New.
970 (SECTION_MERGE, SECTION_STRINGS, SECTION_ENTSIZE): Define.
971 * toplev.c (flag_merge_constants): New.
972 (f_options): Add -fmerge-constants and -fmerge-all-constants
974 (toplev_main): Default to -fno-merge-constants if not optimizing.
975 * flags.h (flag_merge_constants): Add extern.
976 * invoke.texi (-fmerge-constants, -fmerge-all-constants): Document.
977 * tm.texi (SELECT_SECTION, SELECT_RTX_SECTION): Document added third
979 * config/elfos.h (ASM_SECTION_START_OP, ASM_OUTPUT_SECTION_START):
980 Define if assembler has working .subsection -1 support.
981 (SELECT_RTX_SECTION, SELECT_SECTION): Add third macro argument.
982 Put constant into special SHF_MERGE sections if the linker should
983 attempt to merge duplicates.
984 * config/ia64/sysv4.h (SELECT_RTX_SECTION, SELECT_SECTION): Add third
986 Put constant into special SHF_MERGE sections if the linker should
987 attempt to merge duplicates.
988 * config/alpha/elf.h: Likewise.
989 (ASM_SECTION_START_OP, ASM_OUTPUT_SECTION_START): Define if assembler
990 has working .subsection -1 support.
991 * config/nextstep.h: Add third argument to SELECT_RTX_SECTION and
993 * config/svr3.h: Likewise.
994 * config/darwin.h: Likewise.
995 * config/arm/aof.h: Likewise.
996 * config/arm/linux-elf.h: Likewise.
997 * config/avr/avr.h: Likewise.
998 * config/c4x/c4x.h: Likewise.
999 * config/d30v/d30v.h: Likewise.
1000 * config/i386/dgux.h: Likewise.
1001 * config/i386/osfrose.h: Likewise.
1002 * config/i386/sco5.h: Likewise.
1003 * config/i386/svr3gas.h: Likewise.
1004 * config/ia64/aix.h: Likewise.
1005 * config/m32r/m32r.h: Likewise.
1006 * config/m68k/m68k.h: Likewise.
1007 * config/m88k/dgux.h: Likewise.
1008 * config/m88k/m88k.h: Likewise.
1009 * config/mcore/mcore-pe.h: Likewise.
1010 * config/mips/mips.h: Likewise.
1011 * config/pa/pa.h: Likewise.
1012 * config/pa/pa-linux.h: Likewise.
1013 * config/romp/romp.h: Likewise.
1014 * config/rs6000/sysv4.h: Likewise.
1015 * config/rs6000/xcoff.h: Likewise.
1016 * config/s390/linux.h: Likewise.
1017 * config/sparc/sparc.h: Likewise.
1018 * config/sparc/sysv4.h: Likewise.
1019 * config/stormy16/stormy16.h: Likewise.
1020 * config/v850/v850.h: Likewise.
1021 * config/vax/vms.h: Likewise.
1022 * config/arm/arm.c (arm_elf_asm_named_section): Output SECTION_MERGE
1023 and SECTION_STRINGS flags plus SECTION_ENTSIZE entity size.
1024 * config/sparc/sparc.c (sparc_elf_asm_named_section): Use
1025 default_elf_asm_named_section for SHF_MERGE sections.
1027 Tue Sep 11 17:55:54 CEST 2001 Jan Hubicka <jh@suse.cz>
1029 * bb-reorder.c (fixup_reorder_chain): Fallthru edge to exit block
1032 2001-09-11 Joseph S. Myers <jsm28@cam.ac.uk>
1034 * c-common.c (split_specs_attrs): Allow for empty attributes with
1035 empty TREE_PURPOSE. Fixes PR c/4294.
1037 Tue Sep 11 11:37:52 CEST 2001 Jan Hubicka <jh@suse.cz>
1039 * basic-block.h (cached_make_edge, make_single_succ): New.
1040 (make_edge): Remove first parameter.
1041 * bb-reroder.c (fixup_reorder_chain): Use make_single_succ_edge.
1042 * cfg.c (cached_make_edge): Rename from make_edge; return newly
1043 created edge; use obstack allocation.
1044 (make_edge, make_single_succ_edge): New.
1045 (first_removed_edge): New static variable.
1046 (init_flow): Initialize first_removed_edge and n_edges.
1047 (clear_edges): Use remove_edge.
1048 (flow_delete_block): Likewise.
1049 (remove_edge): Add removed edges to the removed edges list.
1050 (split_block, redirect_edge_and_branch_force, split_edge):
1052 * cfganal.c (flow_call_edges_add): Updaet make_edge call.
1053 (add_noreturn_fake_exit_edges): Likewise.
1054 (connect_infinite_loops_to_exit): Liekwise.
1055 * cfgbuild.c (make_label_edge, make_edges, find_sub_basic_blocks):
1056 Use cached_make_edge.
1057 * cfgcleanup.c (try_crossjump_to_edge): Use make_single_succ_edge.
1058 * profile.c (branch_prob): Update make_edge call.
1059 * ssa-dce.c (ssa_eliminate_dead_code): Likewise.
1061 2001-09-11 Richard Henderson <rth@redhat.com>
1063 * config/alpha/alpha.c: Tidy formatting.
1064 (local_symbolic_operand): Verify mode.
1065 (alpha_sa_mask): Ignore unicos for eh_return.
1066 (alpha_expand_epilogue): Handle sp_adj2 zero, not NULL.
1067 * config/alpha/alpha.md (umk divsi patterns): Remove.
1068 (extendsfdf2): Remove unicos check.
1069 (tablejump): Merge vms and unicos code; always use direct set
1072 2001-09-11 Roman Lechtchinsky <rl@cs.tu-berlin.de>
1074 * config.gcc (alpha*-*-unicosmk*): New target.
1076 * config/alpha/alpha-protos.h (symbolic_operand,
1077 unicosmk_add_call_info_word, unicosmk_add_extern,
1078 unicosmk_defer_case_vector, unicosmk_unique_section,
1079 unicosmk_output_align, unicosmk_text_section, unicosmk_data_section,
1080 unicosmk_asm_file_start, unicosmk_asm_file_end,
1081 unicosmk_output_common): Declare.
1083 * config/alpha/alpha.c (NUM_ARGS, override_options, call_operand,
1084 direct_return, function_arg, alpha_va_start, alpha_va_arg,
1085 alpha_does_function_need_gp, alpha_end_function): Support Cray
1087 (alpha_init_machine_status, alpha_mark_machine_status,
1088 alpha_free_machine_status, unicosmk_output_deferred_case_vectors,
1089 unicosmk_gen_dsib, unicosmk_output_ssib, unicosmk_need_dex,
1090 unicosmk_asm_named_section, unicosmk_insert_attributes,
1091 unicosmk_section_type_flags, symbolic_operand,
1092 unicosmk_output_module_name, unicosmk_output_default_externs,
1093 unicosmk_output_dex, unicosmk_output_externs,
1094 unicosmk_output_addr_vec, unicosmk_ssib_name,
1095 unicosmk_initial_elimination_offset, unicosmk_asm_file_start,
1096 unicosmk_asm_file_end, unicosmk_output_common,
1097 unicosmk_section_type_flags, unicosmk_unique_section,
1098 unicosmk_add_call_info_word, unicosmk_text_section,
1099 unicosmk_data_section, unicosmk_extern_list, unicosmk_extern_head,
1100 unicosmk_add_extern, unicosmk_dex, unicosmk_dex_list,
1101 unicosmk_dex_count, unicosmk_special_name): New.
1102 (TARGET_INSERT_ATTRIBUTES, TARGET_SECTION_TYPE_FLAGS): Define for
1103 TARGET_ABI_UNICOSMK.
1104 (get_aligned_mem, alpha_expand_unaligned_load,
1105 alpha_expand_unaligned_store, alpha_expand_unaligned_load_words,
1106 alpha_expand_unaligned_store_words): Support big-endian mode.
1107 (print_operand): Likewise. New format specifier 't'. Use
1108 TARGET_AS_SLASH_BEFORE_SUFFIX.
1109 (alpha_is_stack_procedure): Rename from vms_is_stack_procedure.
1110 (alpha_pv_save_size): Update with above change.
1111 (alpha_sa_mask, alpha_sa_size, alpha_expand_prologue,
1112 alpha_start_function, alpha_expand_epilogue): Likewise. Support Cray
1115 * config/alpha/alpha.h (TARGET_ABI_UNICOSMK): New.
1116 (TARGET_ABI_OSF): Exclude TARGET_ABI_UNICOSMK.
1117 (TARGET_AS_SLASH_BEFORE_SUFFIX): New.
1118 (EXTRA_CONSTRAINT): New constraint 'U'.
1119 (PREDICATE_CODES): Add symbolic_operand.
1121 * config/alpha/alpha.md (UNSPEC_UMK_LAUM, UNSPEC_UMK_LALM,
1122 UNSPEC_UMK_LAL, UNSPEC_UMK_LOAD_CIW): New constants.
1123 (mulsi3, *mulsi_se, mulvsi3): Disable for TARGET_ABI_UNICOSMK.
1124 (integer division and modulus patterns): Split in default and
1126 (*divmodsi_internal, *divmoddi_internal): Disable for
1127 TARGET_ABI_UNICOSMK.
1128 (unaligned_extend?idi, unaligned_load?i, unaligned_store?i): Split in
1129 little-endian and big-endian versions.
1130 (ext, ins, msk): Likewise.
1131 (extv, extzv, insv): Support big-endian mode.
1132 (call, call_value, tablejump): Support TARGET_ABI_UNICOSMK.
1133 (call_umk, call_value_umk, *call_umk, tablejump_umk,
1134 *tablejump_umk_internal, *call_value_umk): New.
1135 (*movdi_nofix): Add pattern for loading an address into a register on
1136 TARGET_ABI_UNICOSMK.
1137 (umk_laum, umk_lal, umk_lalm, *umk_load_ciw): New.
1138 (umk_mismatch_args, arg_home_umk): New.
1139 (various insns): Don't use mov, fmov, nop, fnop and unop.
1140 (realign): Support TARGET_ABI_UNICOSMK.
1142 * config/alpha/unicosmk.h: New file.
1143 * config/alpha/t-unicosmk: New file.
1145 * fixinc/inclhack.def (unicosmk_restrict): New.
1146 * fixinc/fixincl.x: Regenerate.
1148 * ginclude/stddef.h (size_t): Check for and define __SIZE_T__.
1149 (wchar_t): Check for and define __WCHAR_T__.
1151 2001-09-11 Richard Sandiford <rsandifo@redhat.com>
1153 * combine.c (simplify_shift_const): Treat shifts by the mode
1156 2001-09-11 Neil Booth <neil@daikokuya.demon.co.uk>
1158 * cpphash.h (struct tokenrun): New.
1159 (struct cpp_context): New member bol.
1160 (struct cpp_reader): New members.
1161 (_cpp_init_tokenrun): New.
1162 * cppinit.c (cpp_create_reader): Set up the token runs.
1163 * cpplex.c (lex_directive, lex_token, next_tokenrun): New.
1164 (lex_token): New internalised version of _cpp_lex_token. Don't
1165 handle directives or the multiple include opimisation here any
1166 more. Simply lex a token.
1167 * cpplib.c (run_directive): Clear bol.
1168 (_cpp_pop_buffer): Set bol.
1169 * cppmacro.c (funlike_invocation_p): Keep tokens whilst parsing
1172 2001-09-11 Michael Meissner <meissner@redhat.com>
1174 * config/mips/mips.h (CC1_SPEC): If -mgp32 default to -mfp32, and
1175 give an error if the user uses -mfp32.
1176 (CPP_FPR_SPEC): Define __mips_fpr to be 32 or 64 depending on the
1178 (CPP_SPEC): Define __mips_fpr to be 32 or 64, depending on the
1179 floating point register size.
1180 (EXTRA_SPECS): Add CPP_FPR_SPEC.
1182 * config/mips/netbsd.h (ASM_FINISH_DECLARE_OBJECT): Use
1183 HOST_WIDE_INT_PRINT_DEC to properly print the result of
1185 * config/mips/elf.h (ASM_FINISH_DECLARE_OBJECT): Ditto.
1186 * config/mips/elf64.h (ASM_FINISH_DECLARE_OBJECT): Ditto.
1188 2001-09-11 Hans-Peter Nilsson <hp@axis.com>
1190 * dbxout.c (dbxout_parms): Fix typo in comment.
1191 * unroll.c (loop_find_equiv_value): Ditto.
1192 * toplev.c (rest_of_compilation): Ditto.
1193 * loop.c (scan_loop): Ditto.
1194 * dwarf2out.c (struct dw_fde_struct): Ditto.
1196 2001-09-10 Zack Weinberg <zackw@panix.com>
1198 * cpplex.c (parse_identifier): Fast-path optimize. Avoid
1199 copying identifier when we're just going to throw it away.
1200 (parse_identifier_slow): New routine to handle abnormal cases.
1201 (_cpp_lex_token): Update call site.
1203 * hashtable.c (ht_lookup): Don't assume that the string we've
1204 been given is NUL-terminated.
1205 * system.h: #define __builtin_expect(a, b) to (a) if not
1208 2001-09-10 Michael Meissner <meissner@redhat.com>
1210 * config.gcc (sparc64-*-solaris2): Add alias to be compatible with
1213 2001-09-10 David Edelsohn <edelsohn@gnu.org>
1215 * config/rs6000/t-aix43 (SHLIB_INSTALL): Use mode 751 (a+x,r-o).
1217 Mon Sep 10 16:26:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1219 * builtins.c (c_getstr): Correct thinko in last change and further
1222 2001-09-10 Tim Freeman <tim@fungibole.com>
1224 * dwarf2out.c (incomplete_types, decl_scope_table): Make them
1225 into varray's and register them as roots with the garbage
1226 collector so they are not collected too soon.
1228 Mon Sep 10 14:21:26 CEST 2001 Jan Hubicka <jh@suse.cz>
1230 * Makefile.in (cfg.o, cfganal.o, cfgloop.o, cfgbuild.o, cfgcleanup.o):
1232 * basic-block.h (flow_obstack, label_value_list,
1233 tail_recursion_label_list): Declare
1234 (tidy_fallthru_edges): Declare.
1235 (expunge_block, last_loop_beg_note): Delete.
1236 (can_fallthru, flow_nodes_print, flow_edge_list_print): Declare.
1238 (basic_block_for_insn, label_value_list): Move from flow.c; make global.
1239 (n_basic_blocks, n_edges, basic_block_info, entry_exit_blocks,
1240 init_flow, clear_edges, can_delete_note_p, can_delete_label_p,
1241 flow_delete_insn, flow_delete_insn_chain, create_basic_block,
1242 expunge_block, flow_delete_block, compute_bb_for_insn,
1243 update_bb_for_insn, set_block_for_insn, set_block_for_new_insns,
1244 make_edge, remove_edge, redirect_edge_succ, redirect_edge_succ_nodup,
1245 redirect_edge_pred, split_block, marge_blocks_nomove, block_label,
1246 try_redirect_by_replacing_jump, last_loop_beg_note,
1247 redirect_edge_and_branch, redirect_edge_and_branch_force,
1248 tidy_fallthru_edge, tidy_fallthru_edges, back_edge_of_syntactic_loop_p,
1249 split_edge, insert_insn_on_edge, commit_one_edge_insertion,
1250 commit_edge_insertions, dump_flow_info, debug_flow_info,
1251 dump_edge_info, dump_bb, debug_bb, debug_bb_n, print_rtl_with_bb,
1252 verify_flow_info, purge_dead_edges, purge_all_dead_edges):
1253 Move here from flow.c
1254 * cfganal.c: New file.
1255 (forwarder_block_p, can_fallthru, mark_critical_edges,
1256 mark_dfs_back_edges, need_fake_edge_p, flow_call_edges_add,
1257 find_unreachable_blocks, create_edge_list, free_edge_list,
1258 print_edge_list, verify_edge_list, find_edge_index, flow_nodes_print,
1259 flow_edge_list_print, remove_fake_successors, remove_fake_edges,
1260 add_noreturn_fake_exit_edges, connect_infinite_loops_to_exit,
1261 flow_reverse_top_sort_order_compute, flow_depth_first_order_compute,
1262 flow_dfs_compute_reverse_init, flow_dfs-compute_reverse_add_bb,
1263 flow_dfs-compute_reverse_execute, flow_dfs_compute_reverse_finish);
1264 Move here from flow.c
1265 * cfgbuild.c: New file
1266 (count_basic_blocks, find_label_refs, make_label_edge, make_eh_edge,
1267 make_edges, find_basic_blocks_1, find_basic_blocks,
1268 find_sub_basic_blocks): Move here from flow.c
1269 * cfgcleanup.c: New file.
1270 (try_simplify_condjump, try_forward_edges, tail_recursion_label_p,
1271 merge_blocks_move_predecessor_nojumps,
1272 merge_blocks_move_successor_nojumps, merge_blocks,
1273 flow_find_cross_jump, outgoing_edges_match, try_crossjump_to_edge,
1274 try_crossjump_bb, try_optimize_cfg): Move here from flow.c
1275 (delete_unreachable_blocks, cleanup_cfg): Likewise; return true
1277 * cfgloop.c: New file
1278 (flow_loops_cfg_dump, flow_loop_nested_p, flow_loop_dump,
1279 flow_loops_dump, flow_loops_free, flow_loop_entry_edges_find,
1280 flow_loop_exit_edges_find, flow_loop_nodes_find,
1281 flow_loop_pre_header_scan, flow_loop_pre_header_find,
1282 flow_loop_tree_node_add, flow_loops_tree_build,
1283 flow_loop_level_compute, flow_loops_level_compute, flow_loop_scan,
1284 flow_loops_find, flow_loops_update, flow_loop_outside_edge_p):
1285 Move here from flow.c
1286 * flow.c: Remove everything moved elsewhere
1287 * output.h (cleanup_cfg): Return bool.
1289 * bb-reorder.c (reorder_block_def): Remove 'index'.
1290 (insert_intra_1): Add argument BB, set block for new note.
1291 (make_reorder_chain): Do not depdent on BB indexes.
1292 (make_reorder_chain_1): Do not use BB indexes.
1293 (label_for_bb): Likewise; set BB for new insn.
1294 (emit_jump_to_block_after): Likewise.
1295 (fixup_reoder_chain): Sanity check that all basic blocks
1296 are chained; verify newly created insn chain; remove
1297 undocnitional jump simplifying; Do not use BB indexes;
1298 properly initialize count and frequency information;
1299 dump reordered sequence.
1300 (insert_intra_bb_scope_notes): update call of insert_intra_1.
1301 (insert_inter_bb_scope_notes): Set block for new insn.
1302 (reorder_basic_blocks): Dump flow info before reoredering.
1304 Mon Sep 10 06:47:35 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1306 * alias.c (clear_reg_alias_info): Use K&R format definition.
1307 Avoid unsigned warning.
1308 * builtins.c: Use "unsigned int", not "unsigned".
1309 (target_char_cast): Use host_integerp and tree_low_cst.
1310 (expand_builtin_args_info, expand_builtin_frame_address): Likewise.
1311 (c_strlen): Likewise; OFFSET now HOST_WIDE_INT.
1312 (c_getstr): Likewise.
1313 (std_expand_builtin_va_arg): Use int_size_in_bytes.
1314 (builtin_memcpy_read_str): Avoid unsigned warning.
1315 (expand_builtin_memcpy): Alignments are unsigned.
1316 (expand_builtin_strncpy, expand_builtin_memset): Likewise.
1317 (expand_builtin_expect_jump): Use integer_zerop and integer_onep.
1318 * predict.c (expensive_function_p): LIMIT now unsigned.
1319 * resource.c (mark_target_live_regs): Make some vars unsigned.
1320 * sdbout.c: Use "unsigned int", not "unsigned".
1321 (MAKE_LINE_SAFE): Add cast to avoid unsigned warning.
1322 (sdbout_source_line): Likewise.
1323 (sdbout_record_type_name): Remove "const" for NAME declaration.
1324 * config/alpha/alpha.c (alpha_expand_block_move): Whitespace fixes.
1326 2001-09-10 Richard Sandiford <rsandifo@redhat.com>
1328 * calls.c (store_one_arg): Expand comment.
1330 2001-09-10 Roman Lechtchinsky <rl@cs.tu-berlin.de>
1332 * calls.c (store_one_arg): Make sure that the entire argument is
1333 pushed if STACK_PARMS_IN_REG_PARM_AREA is defined.
1335 2001-09-09 Richard Henderson <rth@redhat.com>
1337 * emit-rtl.c (adjust_address): Fix mode for LO_SUM.
1339 Sun Sep 9 10:43:17 CEST 2001 Jan Hubicka <jh@suse.cz>
1341 * loop.c (combine_givs): Fix computing of benefit once giv is combined.
1343 2001-09-09 Richard Henderson <rth@redhat.com>
1345 * config/alpha/alpha.c (alpha_next_sequence_number): New.
1346 (alpha_this_literal_sequence_number): New.
1347 (alpha_this_gpdisp_sequence_number): New.
1348 (some_operand, input_operand): Add HIGH.
1349 (local_symbolic_operand): New.
1350 (alpha_encode_section_info): New.
1351 (alpha_legitimate_address_p): Allow LO_SUM.
1352 (alpha_legitimize_address): Generate HIGH+LO_SUM.
1353 (alpha_expand_mov): Likewise.
1354 (secondary_reload_class): Check memory_operand not general_operand
1356 (alpha_expand_unaligned_load): Force LO_SUM addresses into a register.
1357 (alpha_expand_unaligned_store): Likewise.
1358 (alpha_expand_unaligned_load_words): Likewise.
1359 (alpha_expand_unaligned_store_words): Likewise.
1360 (alpha_expand_block_clear): Likewise.
1361 (print_operand): Handle %#, %*, %H.
1362 (print_operand_address): Handle LO_SUM.
1364 (alpha_does_function_need_gp): Use it.
1365 (alpha_expand_block_move): Fix signed compare warnings.
1366 (alpha_sa_mask, alpha_align_insns): Likewise.
1367 * config/alpha/alpha-protos.h: Update.
1368 * config/alpha/alpha.h (TARGET_EXPLICIT_RELOCS): New.
1369 (MASK_EXPLICIT_RELOCS): New.
1370 (TARGET_SWITCHES): Add -mexplicit-relocs.
1371 (EXTRA_CONSTRAINT): Add 'T'.
1372 (PREFERRED_RELOAD_CLASS): HIGH goes in GENERAL_REGS.
1373 (ASM_APP_ON, ASM_APP_OFF): Turn on and off asm macro expansion.
1374 (ENCODE_SECTION_INFO): Out line.
1375 (REDO_SECTION_INFO_P): New.
1376 (STRIP_NAME_ENCODING): New.
1377 (ASM_OUTPUT_LABELREF): New.
1378 (PRINT_OPERAND_PUNCT_VALID_P): Add #, *.
1379 (PREDICATE_CODES): Update.
1380 * config/alpha/alpha.md (divmodsi_internal_er, divmoddi_internal_er,
1381 call_osf_1_er_noreturn, call_osf_1_er, movdi_er_low, movdi_er_nofix,
1382 movdi_er_fix, prologue_ldgp_1_er, builtin_setjmp_receiver_sub_label_er,
1383 builtin_setjmp_receiver_er, exception_receiver_1_er,
1384 call_value_osf_1_er): New patterns.
1385 (sibcall_osf_1, sibcall_value_osf_1): Remove register alternative.
1386 (movqi, movhi, movsi): Add explicit $31 base register to lda.
1387 * config/alpha/elf.h (ASM_FILE_START): Set nomacro if explicit relocs.
1388 (FINAL_PRESCAN_INSN): New.
1390 Sat Sep 8 22:00:55 CEST 2001 Jan Hubicka <jh@suse.cz>
1392 * reg-stack.c (subst_stack_regs_pat): Fix fcmov reversal code.
1394 2001-09-08 Andreas Jaeger <aj@suse.de>
1396 * i386.h (TARGET_SWITCHES): Fix description.
1398 2001-09-07 David Edelsohn <edelsohn@gnu.org>
1400 * rs6000.c (num_insns_constant): Compute number of instructions
1403 * doc/install.texi: Explain AIX exception handling work-around.
1404 Update URL for AIX fixes.
1406 2001-09-07 Jim Wilson <wilson@redhat.com>
1408 * alias.c (clear_reg_alias_info): New.
1409 * flow.c (attempt_auto_inc): Call clear_reg_alias_info.
1410 * rtl.h (clear_reg_alias_info): Declare.
1412 2001-09-07 Roman Lechtchinsky <rl@cs.tu-berlin.de>
1414 * real.c (EMUSHORT,EMUSHORT_SIZE): Use HImode if no 16-bit type is
1416 (UEMUSHORT): New. Use instead of unsigned EMUSHORT.
1417 (m16m,edivm,emulm): Change declaration to match definition.
1419 2001-09-07 Roman Lechtchinsky <rl@cs.tu-berlin.de>
1421 * reload.c (push_reload): Check for subreg_lowpart_p instead of
1422 SUBREG_BYTE being 0 when determining if the inner part of a subreg
1425 2001-09-07 Roman Lechtchinsky <rl@cs.tu-berlin.de>
1427 * c-common.c (signed_or_unsigned_type): Handle machine mode types
1428 which have no corresponding C type.
1429 * fold_const.c (target_isinf,target_isnan,target_negative): Update
1430 the representation of 64-bit doubles to work with 64-bit ints.
1432 2001-09-07 Aldy Hernandez <aldyh@redhat.com>
1434 * config/mips/mips.c (override_options): Do not override ISA when ABI
1435 specified if MIPS_CPU_STRING_DEFAULT was specified.
1437 2001-09-07 Richard Henderson <rth@redhat.com>
1439 * loop.c (record_giv): Avoid simplifying MULT to ASHIFT.
1440 (express_from_1): Wrap lines.
1441 * rtlanal.c (commutative_operand_precedence): Rename from
1442 operand_preference; export.
1443 * rtl.h: Declare it.
1444 * simplify-rtx.c (simplify_gen_binary): Tidy +/- const_int handling.
1445 (simplify_binary_operation): Invoke simplify_plus_minus on
1446 (CONST (PLUS ...)) as well.
1447 (struct simplify_plus_minus_op_data): New.
1448 (simplify_plus_minus_op_data_cmp): New.
1449 (simplify_plus_minus): Use them. Avoid infinite recursion with
1450 simplify_binary_operation wrt CONST.
1452 Fri Sep 7 11:52:30 2001 Kazu Hirata <kazu@hxi.com>
1454 * h8300-protos.h (general_operand_dst_push): Remove.
1455 * h8300.c (general_operand_dst_push): Likewise.
1456 * h8300.h (OK_FOR_T): Likewise.
1457 (EXTRA_CONSTRAINTS): Do not use OK_FOR_T.
1458 * h8300.md (pushqi_h8300): New.
1459 (pushqi_h8300hs): Likewise.
1461 (pushhi_h8300): Likewise.
1462 (pushhi_h8300hs): Likewise.
1465 Fri Sep 7 12:56:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1467 * genattrtab.c (attr_printf): First arg is unsigned.
1468 Clean up formatting of callers.
1470 2001-09-06 Aldy Hernandez <aldyh@redhat.com>
1472 * config/mips/mips.c (override_options): Allow abi32 with 64 bit
1475 2001-09-07 Andreas Jaeger <aj@suse.de>
1477 * i386.h (TARGET_SWITCHES): Fix descriptions.
1479 2001-09-07 Matt Kraai <kraai@alumni.carnegiemellon.edu>
1481 * stor-layout.c (compute_record_mode): Check DECL_SIZE is set.
1483 2001-09-06 Ira Ruben <ira@apple.com>
1485 Remove OP_IDENTIFIER.
1486 * tree.def (OP_IDENTIFIER): Remove.
1487 * tree.c (tree_node_kind enum): Remove op_id_kind.
1488 (tree_node_kind_names): Remove "op_identifiers".
1489 (make_node): Remove OP_IDENTIFIER test.
1490 (build_op_identifier): Removed because it isn't being used.
1491 * print-tree.c (print_node): Remove OP_IDENTIFIER case.
1492 * cp/pt.c (tsubst): Remove OP_IDENTIFIER case.
1494 2001-09-06 Richard Henderson <rth@redhat.com>
1496 * simplify-rtx.c (simplify_binary_operation): Revert last change.
1498 2001-09-06 Richard Henderson <rth@redhat.com>
1500 * simplify-rtx.c (simplify_binary_operation): Simplify contents
1503 2001-09-06 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1505 * config/rs6000/rs6000.c (rs6000_emit_prologue): Fix DWARF2 register
1506 number used for CR register.
1508 Thu Sep 6 11:16:35 2001 Jeffrey A Law (law@cygnus.com)
1509 Joern Rennecke (amylaar@cygnus.com)
1511 * h8300-protos.h (h8300_return_addr_rtx): New prototype.
1512 * h8300.c (initial_offset): Handle offset between RP and FP.
1513 (h8300_return_addr_rtx): New function.
1514 * h8300.h (FIRST_PSEUDO_REGISTER): Bump now that we have a
1516 (FIXED_REGISTERS, CALL_USED_REGISTERS): Corresponding changes.
1517 (REG_ALLOC_ORDER, RETURN_ADDRESS_POINTER_REGNUM): Likewise.
1518 (REG_CLASS_CONTENTS, ELIMINABLE_REGS): Likewise.
1519 (CAN_ELIMINATE, REGISTER_NAMES):
1520 (RETURN_ADDR_RTX): Call h8300_return_addr_rtx.
1522 2001-09-06 Nathan Sidwell <nathan@codesourcery.com>
1524 Remove TYPE_NONCOPIED_PARTS.
1525 * tree.h (TYPE_NONCOPIED_PARTS): Remove.
1526 (struct tree_type): Remove noncopied_parts.
1527 * c-tree.h (TYPE_ACTUAL_ARG_TYPES): Map onto TYPE_BINFO.
1528 * expr.c (save_noncopied_parts, init_noncopied_parts): Remove.
1529 (fixed_type_p): Remove.
1530 (expand_expr, INIT_EXPR): Don't deal with noncopied parts.
1531 (expand_expr, MODIFY_EXPR): Likewise.
1532 * ggc-common.c (ggc_mark_trees): Remove TYPE_NONCOPIED_PARTS.
1533 * doc/c-tree.texi: Remove TYPE_NONCOPIED_PARTS FIXME.
1535 2001-09-06 Alan Modra <amodra@bigpond.net.au>
1537 * config/rs6000/rs6000.c (mask_operand): Use signed vars to avoid
1539 (mask64_operand): Likewise.
1540 (includes_rldic_lshift_p): Likewise.
1541 (includes_rldicr_lshift_p): Likewise.
1543 2001-09-05 Ziemowit Laski <zlaski@apple.com>
1545 * objc/objc-act.c (build_message_expr): If a class method cannot
1546 be found, do not issue a warning if a corresponding instance
1547 method exists in the root class.
1549 2001-09-05 Richard Henderson <rth@redhat.com>
1551 * config/alpha/alpha.c (alpha_expand_mov): Initialize temp.
1553 2001-09-05 Zack Weinberg <zack@codesourcery.com>
1555 * function.c (ggc_mark_struct_function): Mark f->outer.
1556 * toplev.c (rest_of_compilation): Clear DECL_SAVED_INSNS here...
1557 * integrate.c (output_inline_function): ... not here.
1559 Wed Sep 5 17:28:49 CEST 2001 Jan Hubicka <jh@suse.cz>
1561 * profile.c (branch_prob): Call add_noreturn_fake_exit_edges.
1563 * i386.c (size_cost): New static variable.
1564 (override_function): Use size_cost when -Os is specified.
1566 * i386.c (ix86_expand_prologue): Set use_fast_prologue_epilogue
1567 properly; Use current_function_calls_eh_return.
1568 (ix86_expand_epilogue): Avoid dummy optimize_size tests;
1569 use leave to avoid depdendancy chain.
1571 * local-alloc.c (update_equiv_regs): Use CFG to iterate over INSN stream;
1572 get BB loop_depth instead of computing it from LOOP notes.
1574 * reg-stack.c (subst_stack_reg_pat): Handle reversal of conditional moves.
1576 2001-09-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
1578 * som.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
1579 * pa.h (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
1580 UNALIGNED_DOUBLE_INT_ASM_OP): Define
1582 2001-09-05 Jeffrey A Law (law@cygnus.com)
1583 Jason Merrill (jason@redhat.com)
1585 * stor-layout.c (layout_type): Complain if an array's size can
1586 not be represented in a size_t.
1588 * config/h8300/elf.h (ENDFILE_SPEC, STARTFILE_SPEC): Define.
1590 2001-09-05 David Billinghurst <David.Billinghurst@riotinto.com>
1592 * gcc.c: (process_command) Add parentheses around assignment
1593 used as truth value.
1595 2001-09-05 Richard Sandiford <rsandifo@redhat.com>
1597 * config/mips/mips.c (save_restore_insns): Don't mark any register
1598 save slots as unchanging if current_function_calls_eh_return.
1600 2001-09-05 Richard Henderson <rth@redhat.com>
1602 * config/alpha/alpha.c (alpha_legitimate_address_p): New.
1603 * config/alpha/alpha-protos.h: Declare it.
1604 * config/alpha/alpha.h (GO_IF_LEGITIMATE_ADDRESS): Move to c file.
1605 (NONSTRICT_REG_OK_FOR_BASE_P): Rename from non-strict macro.
1606 (NONSTRICT_REG_OK_FP_BASE_P): Likewise.
1607 (STRICT_REG_OK_FOR_BASE_P): Rename from strict macro.
1608 (REG_OK_FOR_BASE_P): Select one of the above.
1610 2001-09-05 Richard Sandiford <rsandifo@redhat.com>
1612 * config/mips/t-elf (EXTRA_PARTS): Use EXTRA_MULTILIB_PARTS instead.
1613 (crti.o): Prefix name of object file with $(T).
1616 2001-09-05 David S. Miller <davem@redhat.com>
1618 * config/sparc/linux.h: Set CPLUSPLUS_CPP_SPEC.
1619 * config/sparc/linux64.h: Likewise.
1621 2001-09-05 Andreas Jaeger <aj@suse.de>
1623 * doc/invoke.texi (i386 Options): -mwide-multiply is not
1624 available anymore, remove the documentation.
1625 (i386 Options): Fix typo, cleanup index entries.
1627 * prefix.c (concat): Remove, we can use the version from liberty.
1629 2001-09-05 Richard Henderson <rth@redhat.com>
1631 * config/alpha/alpha.c (alpha_expand_mov, alpha_expand_mov_nobwx):
1632 New functions split out of md file expanders.
1633 * config/alpha/alpha-protos.h: Declare them.
1634 * config/alpha/alpha.md (movqi, movhi, movsi, movdi): Use them.
1636 2001-09-05 Neil Booth <neil@daikokuya.demon.co.uk>
1638 * cppmacro.c (funlike_invocation_p): No need to restore context.
1640 2001-09-04 Richard Henderson <rth@redhat.com>
1642 * reload.c (push_reload): Export.
1643 * reload.h (push_reload): Declare it.
1645 * config/alpha/alpha.h (LEGITIMIZE_ADDRESS): Move out o' line.
1646 (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
1647 * config/alpha/alpha.c (alpha_legitimize_address): New.
1648 (alpha_legitimize_reload_address): Likewise.
1649 * config/alpha/alpha-protos.h: Declare them.
1651 2001-09-04 Stan Shebs <shebs@apple.com>
1653 * config/darwin.h (ASM_DECLARE_FUNCTION_NAME): Define.
1654 * config/darwin.c (machopic_stub_name): Account for internally
1655 generated lib calls such as memcpy.
1657 2001-09-04 Richard Henderson <rth@redhat.com>
1659 * unwind.h (_UA_END_OF_STACK): New flag.
1660 * unwind.inc (_Unwind_ForcedUnwind_Phase2): Set it.
1662 Tue Sep 4 11:16:35 2001 Jeffrey A Law (law@cygnus.com)
1664 * h8300/elf.h (LINK_SPEC): Redefine appropriately for the H8.
1666 2001-09-04 Richard Sandiford <rsandifo@redhat.com>
1668 * config/mips/mips.c (save_restore_insns): Change base_offset to
1669 fp_offset in second call to mips_emit_frame_related_store.
1671 2001-09-04 Hans-Peter Nilsson <hp@axis.com>
1673 * doc/rtl.texi: Mention that besides as a CODE_LABEL, a label can
1674 sometimes be represented as a NOTE of type
1675 NOTE_INSN_DELETED_LABEL.
1676 (Insns): Document NOTE_INSN_DELETED_LABEL.
1678 2001-09-04 Nathan Sidwell <nathan@codesourcery.com>
1680 * c-common.h (tree_dump_index): Add more comments.
1681 * c-dump.c (dump_files): Name flags `tree' rather than `ast'.
1682 (dump_option_value_info): New struct.
1683 (dump_options): New array.
1684 (dump_switch_p): Parse switch options symbolically.
1685 * doc/invoke.texi (-fdump-ast): Rename to ...
1686 (-fdump-tree): ... here. Document that options are symbolic, and
1687 not all are applicable.
1689 2001-09-04 David S. Miller <davem@redhat.com>
1691 * config/sparc/sparc.md (define_splits): Kill constraints.
1693 Cleanup redundant and unused insn attributes.
1694 * config/sparc/sparc.md (define_attr "insn"): Kill address, unary,
1695 binary, and move. Mark ialu as default.
1696 (commented out define_function_unit "alu"): Kill.
1697 (define_attr "use_clobbered"): Kill.
1698 (whole file): Kill address insn type references. Replace
1699 all unary/binary/move references with ialu.
1700 * config/sparc/sparc.c (whole file): Kill TYPE_ADDRESS
1701 references. Replace TYPE_{UNARY,BINARY,MOVE} references with
1704 Simplify length insn attribute and make more judicious use
1705 of insn attribute defaulting.
1706 * config/sparc/sparc.md (all insns with length > one): Mark as
1707 insn type multi if real instructions, else use default if
1708 it is a forced splitter.
1709 (all insns with length == one): Use default insn length.
1710 (all insns of type ialu): Use default insn type.
1712 Fix erroneous insn attribute settings.
1713 (addx): Set insn type to misc.
1714 (mulsidi3_sp64, const_mulsidi3_sp64, umulsidi3_sp64,
1715 const_umulsidi3_sp64): Set insn type to imul.
1717 Track SFmode vs DFmode insns according to UltraSPARC
1719 * config/sparc/sparc.md ("fptype"): New attribute, default
1721 (all DFmode single insns): Mark as fptype "double".
1723 2001-09-03 Jakub Jelinek <jakub@redhat.com>
1725 * loop.c (express_from_1): Fix CONSTANT_P(a) case.
1727 2001-09-03 Richard Henderson <rth@redhat.com>
1729 * function.h (struct function): Add arg_pointer_save_area_init.
1730 * function.c (expand_function_end): Init arg_pointer_save_area.
1731 (get_arg_pointer_save_area): Do not init arg_pointer_save_area
1732 when called from a nested function.
1734 2001-09-02 Angela Marie Thomas <angela@cygnus.com>
1736 * fixinc/Makefile.in: Regenerate fixincl.x only if maintainer-mode
1739 Sun Sep 2 18:37:54 CEST 2001 Jan Hubicka <jh@suse.cz>
1741 * reload1.c (fixup_abnormal_edges): Allow NOTEs in the sequence.
1743 2001-09-01 Geoffrey Keating <geoffk@redhat.com>
1745 * expr.c (push_block): Make sane use of STACK_GROWS_DOWNWARD.
1746 (emit_push_insn): Use specified padding direction when
1747 STACK_PUSH_CODE is POST_INC.
1749 * config/stormy16/stormy16.h (DWARF2_UNWIND_INFO): Define to 0.
1751 2001-09-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1753 * mips.h (INITIAL_ELIMINATION_OFFSET): Add missing `else abort'.
1755 2001-09-01 Neil Booth <neil@daikokuya.demon.co.uk>
1757 * cppinit.c (cpp_start_read): Free the imacros list as we
1758 traverse it. Don't free the chains before returning.
1759 (_cpp_push_next_buffer): Only try pushing buffers if we've
1760 completed -imacros handling.
1762 2001-08-31 Eric Christopher <echristo@redhat.com>
1764 * gcc.c (handle_braces): Add explaination for abort.
1766 2001-08-30 Roman Zippel <zippel@linux-m68k.org>
1768 * expmed.c (store_bit_field): Update to patch from 2001-08-27:
1769 move adjustment of bitpos instead.
1771 2001-08-31 Zack Weinberg <zack@codesourcery.com>
1773 * function.c: Remove all_functions. Make outer_function_chain
1775 (init_function_start): Don't add new function structure to
1777 (find_function_data, push_function_context_to,
1778 pop_function_context_from, put_var_into_stack,
1779 trampoline_address): Update for changed structure element names.
1780 (push_function_context_to): Disentangle.
1781 (free_after_compilation): Also free F.
1782 (expand_dummy_function_end): Don't free cfun here.
1783 (put_var_into_stack): Comment why we can't use find_function_data here.
1784 (fix_lexical_addr, trampoline_address, ): Use find_function_data.
1785 (mark_function_chain): Split into maybe_mark_struct_function and
1786 ggc_mark_struct_function. Export the latter.
1787 (init_function_once): Mark from cfun and outer_function_chain;
1790 * function.h (struct function): Kill next_global. Rename next
1791 to outer. All users updated to match.
1792 (all_functions, outer_function_chain): Don't declare.
1794 * ggc-common.c (ggc_mark_trees): Mark DECL_SAVED_INSNS.
1795 * integrate.c (output_inline_function): Clear DECL_SAVED_INSNS,
1796 don't touch f->inlinable, after calling rest_of_compilation.
1798 * tree.h: Forward-declare struct function. Prototype
1799 ggc_mark_struct_function.
1801 2001-08-31 Kazu Hirata <kazu@hxi.com>
1803 * config/h8300/h8300.md (*andorhi3): Fix typos.
1805 2001-08-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1807 * calls.c (emit_library_call_value): Don't use a fixed
1808 argument after VA_CLOSE, i.e. out of scope in traditional C.
1810 * emit-rtl.c (gen_rtvec): Likewise.
1812 2001-08-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1814 * Makefile.in (c-pragma.o): Depend on output.h.
1815 (reorg.o): Depend on except.h.
1817 * c-pragma.c: Include output.h.
1819 * reorg.c: Include except.h.
1821 * unwind-dw2.c: Call __builtin_alloca, not alloca.
1823 2001-08-31 Richard Henderson <rth@redhat.com>
1825 * sched-deps.c (add_dependence): Don't elide dependancy if the
1826 conditional used by insn is modified in elem.
1828 2001-08-31 Nick Clifton <nickc@cambridge.redhat.com>
1830 * config/v850/v850.h (OUTPUT_ADDR_CONST_EXTRA): Define.
1832 2001-08-31 Diego Novillo <dnovillo@redhat.com>
1834 * c-decl.c (c_decode_option): Skip '-f' prefix before calling
1837 2001-08-31 Geoffrey Keating <geoffk@redhat.com>
1839 * config/stormy16/stormy16.c (stormy16_asm_out_destructor): New
1841 (stormy16_asm_out_constructor): New function.
1842 (TARGET_ASM_CONSTRUCTOR): Define.
1843 (TARGET_ASM_DESTRUCTOR): Define.
1845 2001-08-31 Andreas Jaeger <aj@suse.de>
1847 * gcse.c (add_label_notes): REG_LABEL is an INSN_LIST.
1848 * loop.c (add_label_notes): Likewise.
1849 * reload.c (find_reloads): Likewise.
1850 * config/sh/sh.c (machine_dependent_reorg): Likewise.
1852 2001-08-31 Jason Merrill <jason_merrill@redhat.com>
1854 * unwind-pe.h (read_uleb128, read_sleb128): Move actual reading
1855 code here. Take _Unwind_{W,Sw}ord*.
1856 (read_encoded_value_with_base): Use them.
1857 * unwind-dw2.c (_Unwind_FrameState): Make cfa_offset and cfa_reg
1859 (extract_cie_info): Simplify read_?leb128 handling.
1860 (execute_stack_op, execute_cfa_program): Likewise.
1861 * unwind-dw2-fde.c (get_cie_encoding): Likewise.
1863 2001-08-31 Geoffrey Keating <geoffk@redhat.com>
1865 * config/stormy16/stormy16.c (stormy16_expand_epilogue): Use
1866 the frame pointer to pop the stack if convenient.
1868 * config/stormy16/stormy16.c (stormy16_initialize_trampoline):
1869 Don't use post-increment before combine.
1870 * config/stormy16/stormy16.h (STATIC_CHAIN_REGNUM): Don't use
1871 a call-saved register.
1873 2001-08-31 Andreas Jaeger <aj@suse.de>
1875 * jump.c (mark_jump_label): Revert patch from 2001-08-28, the
1878 2001-08-30 Geoffrey Keating <geoffk@redhat.com>
1880 * config/stormy16/stormy16.md (udivmodhi4): Express using UDIV/UMOD,
1881 not DIV/MOD, of course.
1883 2001-08-30 Vladimir Makarov <vmakarov@redhat.com>
1885 * rtl.def: Undo my patch commited 2001-08-27.
1887 * genattrtab.c: Ditto.
1891 * sched-int.h: Ditto.
1893 * target-def.h: Ditto.
1897 * haifa-sched.c: Ditto.
1899 * sched-rgn.c: Ditto.
1901 * sched-vis.c: Ditto.
1903 * Makefile.in: Ditto.
1905 * doc/md.texi: Ditto.
1907 * doc/tm.texi: Ditto.
1909 * doc/contrib.texi: Ditto.
1911 * doc/gcc.texi: Ditto.
1913 * genattrtab.h: Remove it.
1915 * genautomata.c: Remove it.
1917 * genattr.c: Undo my patch and Richard Henderson's patch commited
1920 Thu Aug 30 19:22:15 2001 J"orn Rennecke <amylaar@redhat.com>
1922 * config.gcc (h8300-*-elf*): New case.
1923 * h8300.h (CPP_SPEC): Add subtarget_cpp_spec.
1924 (SUBTARGET_CPP_SPEC): Define.
1925 (EXTRA_SPECS): Define.
1926 (SUBTARGET_EXTRA_SPECS): Define.
1927 * config/h8300/crti.asm, config/h8300/crtn.asm: New files.
1928 * config/h8300/elf.h, config/h8300/t-elf: Likewise.
1930 Thu Aug 30 18:50:37 2001 J"orn Rennecke <amylaar@redhat.com>
1932 * t-h8300 (LIB1ASMFUNCS): Add _fixunssfdi and _fixunssfsi_asm.
1933 (LIB2FUNCS_EXTRA): Define.
1934 config/h8300/lib1funcs.asm: New part: L_fixunssfsi_asm .
1935 config/h8300/fixunssfsi.c: New file.
1937 2001-08-30 Kazu Hirata <kazu@hxi.com>
1939 * config/h8300/h8300.md (zero_extendqihi2): Changes to
1940 define_expand to accomodate target-specific attributes.
1941 (anonymous zero_extendqihi2 patterns): New.
1943 Thu Aug 30 18:10:56 2001 J"orn Rennecke <amylaar@redhat.com>
1945 * h8300.md (*andorhi3): New pattern.
1947 Thu Aug 30 16:00:31 2001 J"orn Rennecke <amylaar@redhat.com>
1949 * h8300.c (dosize): Fix test for "sub".
1951 Thu Aug 30 10:21:43 2001 J"orn Rennecke <amylaar@redhat.com>
1953 * c-typeck.c (pointer_diff): Try to eliminate common term before
1956 2001-08-30 Nick Clifton <nickc@cambridge.redhat.com>
1958 * config/arm/arm.c (arm_compute_initial_elimination_offset):
1959 Account for the saves of the FP registers.
1961 * config/arm/unknown-elf.h (TEXT_SECTION): Delete.
1962 (TEXT_SECTION_ASM_OP): Define.
1963 (INIT_SECTION_ASM_OP): Define.
1964 (FINI_SECTION_ASM_OP): Define.
1965 (SUBTARGET_EXTRA_SECTIONS): Remove trailing comma.
1966 (RDATA_SECTION_FUNCITON): Provide prototype.
1968 2001-08-29 Geoffrey Keating <geoffk@redhat.com>
1970 * reload1.c (move2add_note_store): Correct typo checking for
1973 2001-08-29 Andrew MacLeod <amacleod@redhat.com>
1975 * gcse.c (compute_hash_table): The SRC part of an insn with a RETVAL
1976 note should not be considered outside the libcall block.
1978 2001-08-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1980 * genattrtab.c (attr_printf): Use VA_OPEN/VA_FIXEDARG/VA_CLOSE.
1982 2001-08-29 Kazu Hirata <kazu@hxi.com>
1984 * config/h8300/h8300.md (movsi_h8300hs): Make it 64-bit safe.
1986 2001-08-29 Kazu Hirata <kazu@hxi.com>
1988 * config/h8300/h8300-protos.h: Add a prototype for
1990 * config/h8300/h8300.c (emit_logical_op): New.
1991 * config/h8300/h8300.md (andhi3): Use emit_logical_op.
1998 2001-08-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
2000 * pa.c (move_operand): Cast GET_MODE_SIZE results to HOST_WIDE_INT for
2001 comparison with rtx INTVAL.
2002 (pa_output_function_prologue): Don't mix signed and unsigned in `?'
2004 * pa.h (FUNCTION_ARG_SIZE): Likewise.
2006 2001-08-29 Kazu Hirata <kazu@hxi.com>
2008 * config/h8300/lib1funcs.asm: Update the copyright. Fix
2011 2001-08-29 Kazu Hirata <kazu@hxi.com>
2013 * config/h8300/h8300.md (anonymous movhi pattern): Don't move
2014 (reg n) to (mem (pre_dec (reg n))
2015 (anonymous movsi pattern): Likewise.
2017 2001-08-29 Kazu Hirata <kazu@hxi.com>
2019 * config/h8300/h8300.h (RETURN_ADDR_RTX): New.
2021 2001-08-29 Kazu Hirata <kazu@hxi.com>
2023 * config/h8300/h8300.md (movsi_h8300hs): Optimize loading of
2024 several special constants.
2026 2001-08-29 Kazu Hirata <kazu@hxi.com>
2028 * config/h8300/lib1funcs.asm: Fix comment typos.
2030 2001-08-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2032 * iris6.h (ASM_DECLARE_OBJECT_NAME, ASM_FINISH_DECLARE_OBJECT):
2033 Fix format specifier warnings.
2035 * irix6-libc-compat.c (inet_ntoa, inet_lnaof, inet_netof,
2036 inet_makeaddr, semctl): Prototype.
2038 * mips.c (compute_frame_size): Fix signed/unsigned warnings.
2039 (save_restore_insns): Use base_offset, not gp_offset.
2041 * mips.h (GP_REG_OR_PSEUDO_STRICT_P): Fix signed/unsigned warning.
2042 (ASM_OUTPUT_BYTE): Fix format specifier warning.
2044 2001-08-29 Richard Henderson <rth@redhat.com>
2046 * bb-reorder.c (function_tail_eff_head): New.
2047 (record_effective_endpoints): Set it.
2048 (fixup_reorder_chain): Use it.
2050 2001-08-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2052 * dwarf2asm.c (dw2_asm_output_nstring): Fix typo in previous change.
2054 2001-08-28 Dale Johannesen <dalej@apple.com>
2056 * config/darwin.c (machopic_function_base_name): Add const
2057 qualifier to a string.
2058 (darwin_encode_section_info): Ditto.
2060 2001-08-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2062 * tree.c (default_valid_attribute_p): Don't use PARAMS on a
2063 function definition.
2065 2001-08-28 Daniel Berlin <dan@cgsoftware.com>
2067 * df.h (struct df): Add rts_order variable.
2069 * df.c (df_visit_next_rts): New function.
2070 (df_visit_next): Renamed to df_visit_next_rc
2071 (df_analyse_1): Allocate/compute/free rts_order as well.
2072 (df_rd_global_compute): Use df_visit_next_rc instead of
2074 (df_ru_global_compute): Use df_visit_next_rts instead of
2077 * flow.c (flow_reverse_top_sort_order_compute): New function.
2079 * basic-block.h: Add prototype.
2081 2001-08-28 Daniel Berlin <dan@cgsoftware.com>
2083 * ssa-ccp.c (ssa_ccp_df_delete_unreachable_insns): For unreachable
2084 blocks, the BB_REACHABLE is now set, rather than aux being
2085 non-NULL. Update the test to reflect this.
2087 2001-08-28 Eric Christopher <echristo@redhat.com>
2089 * config/mips/crtn.asm: Add comment explaining 16 byte alignment.
2090 config/mips/crti.asm: Ditto.
2092 2001-08-28 Eric Christopher <echristo@redhat.com>
2093 Richard Henderson <rth@redhat.com>
2095 * c-pragma.h (add_weak): Move prototype from here...
2096 * output.h (add_weak): ... to here.
2097 * varasm.c (add_weak): Fix typo.
2098 * config/mips/crti.asm: New file.
2099 * config/mips/crtn.asm: Ditto.
2100 * config/mips/elf.h (SBSS_SECTION_ASM_OP) Add #undef.
2101 (CTOR_LISTS_DEFINED_EXTERNALLY): Remove.
2102 (INVOKE__main): Ditto.
2103 (INIT_SECTION_ASM_OP): New.
2104 (FINI_SECTION_ASM_OP): Ditto.
2105 (STARTFILE_SPEC): Add crti.
2106 (ENDFILE_SPEC): Add crtn.
2107 * config/mips/elf64.h: Same.
2108 * config/mips/rtems64.h (INVOKE__main, NAME__MAIN, SYMBOL__MAIN):
2110 * config/mips/vxworks.h: Ditto.
2111 * config/mips/t-elf: Support crti and crtn.
2113 2001-08-28 Alexandre Oliva <aoliva@redhat.com>
2115 * jump.c (mark_jump_label): Fix typo: REG_LABEL is EXPR_LIST, not
2118 2001-08-28 Richard Henderson <rth@redhat.com>
2120 * config/ia64/ia64.md (andcmbi3, iorcmbi3): Fix typos.
2121 (one_cmplbi2 splitter): Remove redundant test.
2123 2001-08-28 Dale Johannesen <dalej@apple.com>
2125 * config/rs6000/darwin.h (DEFAULT_SIGNED_CHAR): Define.
2127 2001-08-28 Danny Smith <dannysmith@users.sourceforge.net>
2129 * config/i386/cygwin.h (BIGGEST_FIELD_ALIGNMENT): Set to 64.
2131 2001-08-28 Stan Shebs <shebs@apple.com>
2133 * config/darwin.h (ASM_OUTPUT_LABELREF): Handle '*' names.
2134 (UNALIGNED_SHORT_ASM_OP): Define.
2135 (UNALIGNED_INT_ASM_OP): Define.
2137 2001-08-28 Will Cohen <wcohen@redhat.com>
2139 * config/rs6000/rs6000.md (store_multiple): Correct RTL
2140 generation for first set.
2142 2001-08-27 Roman Zippel <zippel@linux-m68k.org>
2144 * flow.c (redirect_edge_succ_nodup): Return new edge.
2145 (try_simplify_condjump): Use new edge.
2146 * basic-block.h (redirect_edge_succ_nodup): Update prototype.
2148 * cse.c (cse_basic_block): Skip note instructions.
2150 2001-08-27 Richard Henderson <rth@redhat.com>
2152 * combine.c (combine_simplify_rtx): Don't reverse condition
2153 if there is no reverse for the condition.
2154 (simplify_comparison): Don't simplify subregs from INT to FP.
2156 * config/m68k/m68k.md (sordered, sordered_1, sunordered, sunordered_1,
2157 suneq, suneq_1, sunge, sunge_1, sungt, sungt_1, sunle, sunle_1,
2158 sunlt, sunlt_1, sltgt, sltgt_1, fsogt_1, fsoge_1, fsolt_1, fsole_1,
2159 bordered, bunordered, buneq, bunge, bungt, bunle, bunlt, bltgt,
2160 bordered_rev, bunordered_rev, buneq_rev, bunge_rev, bungt_rev,
2161 bunle_rev, bunlt_rev, bltgt_rev): New patterns.
2163 2001-08-27 Roman Zippel <zippel@linux-m68k.org>
2165 * config/m68k/m68k.md (subreghi1ashrdi_const32, bsetmemqi,
2166 bsetmemqi+1, strict_low_part peephole): Fix SUBREG_BYTE offset.
2168 (adddi_dilshr32, adddi_dishl32): Only data register can be
2169 source for mem destination.
2171 * expmed.c (store_bit_field): Ignore adjustment to bitpos
2172 and use bitnum to decide about register move.
2174 2001-08-27 Richard Henderson <rth@redhat.com>
2176 * genattr.c (main): Emit state_t even when not doing scheduling.
2178 2001-08-27 Roman Zippel <zippel@linux-m68k.org>
2179 Richard Henderson <rth@redhat.com>
2181 * gcse.c (reg_first_set, reg_last_set): Replace with ...
2182 (reg_avail_info, current_bb): ... these.
2183 (oprs_unchanged_p, record_last_reg_set_info): Use them.
2184 (compute_hash_table): Likewise.
2186 2001-08-27 Roman Zippel <zippel@linux-m68k.org>
2188 * flow.c (verify_flow_info): Use checksums to verify edges.
2190 2001-08-27 Richard Henderson <rth@redhat.com>
2192 * genautomata.c (expand_automata): Always create a description.
2194 2001-08-27 Geoffrey Keating <geoffk@redhat.com>
2196 * optabs.c (expand_binop): Correctly handle the carry in multiword
2197 add/subtract operations.
2199 2001-08-27 Fred Fish <fnf@be.com>
2201 * ginclude/stddef.h: Fix typo, __SIZE__TYPE__ should be
2204 2001-08-27 Geoffrey Keating <geoffk@redhat.com>
2206 * reload.c (find_reloads_toplev): Back out this change:
2208 Wed Jul 26 19:44:05 2000 Hans-Peter Nilsson <hp@axis.com>
2210 * reload.c (find_reloads_toplev): Reload a paradoxical subreg of a
2211 mem if the address is a mode_dependent_address_p.
2213 2001-08-27 Vladimir Makarov <vmakarov@touchme.toronto.redhat.com>
2215 * rtl.def (DEFINE_CPU_UNIT, DEFINE_QUERY_CPU_UNIT, EXCLUSION_SET,
2216 PRESENCE_SET, ABSENCE_SET, DEFINE_BYPASS, DEFINE_AUTOMATON,
2217 AUTOMATA_OPTION, DEFINE_RESERVATION, DEFINE_INSN_RESERVATION): New
2220 * genattr.c (main): New variable num_insn_reservations. Increase
2221 it if there is DEFINE_INSN_RESERVATION. Output automaton based
2222 pipeline hazard recognizer interface.
2224 * genattrtab.h: New file.
2226 * genattrtab.c: Include genattrtab.h.
2227 (attr_printf, check_attr_test, make_internal_attr,
2228 make_numeric_value): Move protypes into genattrtab.h. Define them
2230 (num_dfa_decls): New global variable.
2231 (main): Process DEFINE_CPU_UNIT, DEFINE_QUERY_CPU_UNIT,
2232 DEFINE_BYPASS, EXCLUSION_SET, PRESENCE_SET, ABSENCE_SET,
2233 DEFINE_AUTOMATON, AUTOMATA_OPTION, DEFINE_RESERVATION,
2234 DEFINE_INSN_RESERVATION. Call expand_automata and write_automata.
2236 * genautomata.c: New file.
2238 * rtl.h (LINK_COST_ZERO, LINK_COST_FREE): Remove them.
2240 * sched-int.h: (curr_state): Add the external definition for
2241 automaton pipeline interface.
2242 (haifa_insn_data): Add comments for members blockage and units.
2244 * target-def.h (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE,
2245 TARGET_SCHED_INIT_DFA_PRE_CYCLE_INSN,
2246 TARGET_SCHED_DFA_PRE_CYCLE_INSN,
2247 TARGET_SCHED_INIT_DFA_POST_CYCLE_INSN,
2248 TARGET_SCHED_DFA_POST_CYCLE_INSN,
2249 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD,
2250 TARGET_SCHED_INIT_DFA_BUBBLES, TARGET_SCHED_DFA_BUBBLE): New
2252 (TARGET_SCHED): Use the new macros.
2254 * target.h (use_dfa_pipeline_interface, init_dfa_pre_cycle_insn,
2255 dfa_pre_cycle_insn, init_dfa_post_cycle_insn, dfa_post_cycle_insn,
2256 first_cycle_multipass_dfa_lookahead, init_dfa_bubbles,
2257 dfa_bubble): New members in gcc_target.sched.
2259 * haifa-sched.c (insert_schedule_bubbles_p): New variable.
2260 (MAX_INSN_QUEUE_INDEX): New macro for automaton interface.
2261 (insn_queue): Redefine it as pointer to array.
2262 (NEXT_Q, NEXT_Q_AFTER): Use MAX_INSN_QUEUE_INDEX instead of
2264 (max_insn_queue_index_macro_value): New variable.
2265 (curr_state, dfa_state_size, ready_try): New varaibles for
2266 automaton interface.
2267 (ready_element, ready_remove, max_issue): New function prototypes
2268 for automaton interface.
2269 (choose_ready): New function prototype.
2270 (insn_unit, blockage_range): Add comments.
2271 (unit_last_insn, unit_tick, unit_n_insns): Define them for case
2272 FUNCTION_UNITS_SIZE == 0.
2273 (insn_issue_delay, actual_hazard_this_instance, schedule_unit,
2274 actual_hazard, potential_hazard): Add comments.
2275 (insn_cost): Use cost -1 as undefined value. Remove
2276 LINK_COST_ZERO and LINK_COST_FREE. Add new code for automaton
2278 (ready_element, ready_remove): New functions for automaton
2280 (schedule_insn): Add new code for automaton pipeline interface.
2281 (queue_to_ready): Add new code for automaton pipeline interface.
2282 Use MAX_INSN_QUEUE_INDEX instead of INSN_QUEUE_SIZE.
2283 (debug_ready_list): Print newline when the queue is empty.
2284 (max_issue): New function for automaton pipeline interface.
2285 (choose_ready): New function.
2286 (schedule_block): Add new code for automaton pipeline interface.
2287 Print ready list before scheduling each insn.
2288 (sched_init): Add new code for automaton pipeline interface.
2289 Initiate insn cost by -1.
2290 (sched_finish): Free the current automaton state and finalize
2291 automaton pipeline interface.
2293 * sched-rgn.c: Include target.h.
2294 (init_ready_list, new_ready, debug_dependencies): Add new code for
2295 automaton pipeline interface.
2297 * sched-vis.c: Include target.h.
2298 (get_visual_tbl_length): Add code for automaton interface.
2299 (target_units, print_block_visualization): Add comments.
2301 * Makefile.in (GETRUNTIME, HASHTAB, HOST_GETRUNTIME, HOST_HASHTAB,
2302 USE_HOST_GETRUNTIME, USE_HOST_HASHTAB, HOST_VARRAY): New variables.
2303 (sched-rgn.o, sched-vis.o): Add new dependency file target.h.
2304 (getruntime.o, genautomata.o): New entries.
2305 (genattrtab.o): Add new dependency file genattrtab.h.
2306 (genattrtab): Add new dependencies. Link it with `libm.a'.
2307 (getruntime.o, hashtab.o): New entries for canadian cross.
2309 * doc/md.texi: Description of automaton based model.
2311 * doc/tm.texi (TARGET_SCHED_ISSUE_RATE, TARGET_SCHED_ADJUST_COST):
2313 (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE,
2314 TARGET_SCHED_DFA_PRE_CYCLE_INSN,
2315 TARGET_SCHED_INIT_DFA_PRE_CYCLE_INSN,
2316 TARGET_SCHED_DFA_POST_CYCLE_INSN,
2317 TARGET_SCHED_INIT_DFA_POST_CYCLE_INSN,
2318 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD,
2319 TARGET_SCHED_INIT_DFA_BUBBLES, TARGET_SCHED_DFA_BUBBLE): The new
2321 (TRADITIONAL_PIPELINE_INTERFACE, DFA_PIPELINE_INTERFACE,
2322 MAX_DFA_ISSUE_RATE): New macro descriptions.
2324 * doc/contrib.texi: Add dfa based scheduler contribution.
2326 * doc/gcc.texi: Add more information about genattrtab.
2328 2001-08-27 Diego Novillo <dnovillo@redhat.com>
2330 * flow.c (flow_loop_dump): Do not display insn UIDs if this is not
2333 2001-08-27 Richard Henderson <rth@redhat.com>
2335 * function.c (expand_function_end): Don't init arg_pointer_save_area.
2336 (get_arg_pointer_save_area): New. Create an init it here.
2337 (fix_lexical_addr): Use it.
2338 * function.h: Declare it.
2339 * builtins.c (expand_builtin_setjmp_receiver): Use it.
2340 * stmt.c (expand_nl_goto_receiver): Use it.
2342 2001-08-27 Richard Henderson <rth@redhat.com>
2344 * final.c (final_scan_insn): Don't enter APP_ON mode for
2347 * dwarf2asm.c (dw2_asm_output_encoded_addr_rtx): Use proper
2348 alignment for assemble_integer for DW_EH_PE_aligned.
2349 * except.c (output_function_exception_table): Likewise.
2351 2001-08-26 Andreas Jaeger <aj@suse.de>
2353 * c-tree.h: Add prototyp for c_sizeof_nowarn.
2355 2001-08-25 Dan Nicolaescu <dann@ics.uci.edu>
2357 * ssa-ccp.c (ssa_const_prop): Free ssa_edges.
2359 2001-08-27 Alan Modra <amodra@bigpond.net.au>
2361 * config/rs6000/rs6000.c (mask_operand): Rewrite without
2363 (mask64_operand): Likewise.
2364 (rldic_operand): Delete.
2365 (includes_lshift64_p): Delete.
2366 (includes_rldic_lshift_p): New function.
2367 (includes_rldicr_lshift_p): New function.
2368 (print_operand): Don't call rldic_operand in case 'W'.
2369 * config/rs6000/rs6000-protos.h (rldic_operand): Remove.
2370 (includes_lshift64_p): Remove.
2371 (includes_rldic_lshift_p): Declare.
2372 (includes_rldicr_lshift_p): Declare.
2373 * config/rs6000/rs6000.h (PREDICATE_CODES): Remove rldic_operand.
2374 * config/rs6000/rs6000.md <ashldi3_internal 64 bit patterns>:
2375 Replace match_operand rldic_operand predicate with
2376 const_int_operand. Replace includes_lshift64_p condition with
2377 includes_rldic_lshift_p.
2378 <ashldi3_internal 64 bit rldicr patterns>: New.
2380 2001-08-27 Andreas Jaeger <aj@suse.de>
2382 * emit-rtl.c: Use VA_OPEN/VA_CLOSE/VA_FIXEDARG throughout.
2383 * errors.c: Likewise.
2384 * final.c: Likewise.
2385 * dwarf2asm.c: Likewise.
2386 * doprint.c (checkit): Likewise.
2387 * diagnostic.c: Likewise.
2388 * collect2.c: Likewise.
2389 * calls.c: Likewise.
2390 * c-semantics.c (build_stmt): Likewise.
2391 * c-format.c (status_warning): Likewise.
2392 * c-errors.c (pedwarn_c99): Likewise.
2393 * builtins.c (validate_arglist): Likewise.
2394 * config/pj/pj.c (pj_printf): Likewise.
2395 * fix-header.c: Likewise.
2397 * gcov.c (fnotice): Likewise.
2398 * gensupport.c (message_with_line): Likewise.
2399 * mips-tfile.c: Likewise.
2400 * protoize.c (notice): Likewise.
2401 * read-rtl.c (fatal_with_file_and_line): Likewise.
2402 * rtl-error.c: Likewise.
2403 * tradcpp.c: Likewise.
2405 * cp/tree.c (build_min_nt): Likewise.
2406 (build_min): Likewise.
2407 * cp/lex.c: Likewise.
2408 * cp/errfn.c: Likewise.
2409 * cp/rtti.c (create_pseudo_type_info): Likewise.
2411 Sun Aug 26 20:25:44 2001 Denis Chertykov <denisc@overta.ru>
2413 * df.c (df_uses_record): Return after recording all uses
2416 2001-08-26 Daniel Berlin <dan@cgsoftware.com>
2418 * df.c (df_insn_modify): Realloc the INSN table here, if
2419 necessary, here, too.
2421 2001-08-26 Aldy Hernandez <aldyh@redhat.com>
2423 * config/mips/mips.c (mips_function_value): Handle complex return
2426 2001-08-25 Hans-Peter Nilsson <hp@bitrange.com>
2428 * reload1.c (reload): Make all entries in reg_equiv_memory_loc
2430 * reload.c (make_memloc): Copy result if it is still
2431 reg_equiv_memory_loc[regno] on return.
2432 (subst_reloads) [ENABLE_CHECKING]: Check that none of
2433 reg_equiv_constant, reg_equiv_memory_loc, reg_equiv_address and
2434 reg_equiv_mem are modified by the substitutions.
2436 Sat Aug 25 23:07:35 CEST 2001 Jan Hubicka <jh@suse.cz>
2438 * predict.c (expensive_function_p): New.
2439 * rtl.h (expensive_function_p): Declare.
2440 * i386.c (FAST_PROLOGUE_INSN_COUNT): New constant.
2441 (use_fast_prologue_epilogue): New static variable.
2442 (expand_prologue): Set it; emit short prologues if unset.
2443 (expand_epilogue): Likewise.
2445 2001-08-22 Geoffrey Keating <geoffk@redhat.com>
2447 * config.gcc: Add stormy16-*-elf case.
2448 * config/stormy16/stormy-abi: New file.
2449 * config/stormy16/stormy16-lib2.c: New file.
2450 * config/stormy16/stormy16-protos.h: New file.
2451 * config/stormy16/stormy16.c: New file.
2452 * config/stormy16/stormy16.h: New file.
2453 * config/stormy16/stormy16.md: New file.
2454 * config/stormy16/t-stormy16: New file.
2456 Sat Aug 25 15:46:51 CEST 2001 Jan Hubicka <jh@suse.cz>
2458 * i386.h (no-accumulate-outgoing-args): Use proper mask.
2460 2001-08-24 David Edelsohn <edelsohn@gnu.org>
2462 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Function
2463 descriptor members are pointer size, not constant 4.
2464 * config/rs6000/rs6000.md (define_splits): Remove more unused
2467 2001-08-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2469 * sparc.h (ASM_OUTPUT_BYTE): Fix format specifier warning.
2471 2001-08-24 Andreas Jaeger <aj@suse.de>, rkl@connect.org.uk
2473 * cp/rtti.c (VPARAMS): Fix parameter.
2475 2001-08-24 Zack Weinberg <zackw@panix.com>
2477 * expmed.c: Default-#define HAVE_insv, HAVE_extv, and HAVE_extzv
2479 (mode_for_extraction): No need for #ifdefs. Add default-case abort
2481 (store_bit_field): Eliminate insv_bitsize variable. Put HAVE_insv
2482 in if controlling use of insv.
2483 (extract_bit_field): Likewise, for extv and extzv.
2485 Fri Aug 24 17:27:46 CEST 2001 Jan Hubicka <jh@suse.cz>
2487 * i386.md (movcc peep2): Fix load of 0.
2489 2001-08-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2491 * fold-const.c (tree_expr_nonnegative_p): Handle *_DIV_EXPR,
2492 *_MOD_EXPR, SAVE_EXPR and NON_LVALUE_EXPR.
2494 2001-08-23 Jason Merrill <jason_merrill@redhat.com>
2496 * c-pragma.h: Move weak_syms and weak_decls...
2497 * varasm.c: ...here. Now static.
2498 (declare_weak, weak_finish, remove_from_pending_weak_list): Don't
2499 depend on HANDLE_PRAGMA_WEAK.
2501 * c-common.c (c_alignof, c_alignof_expr): Move here...
2502 * c-typeck.c: ...from here.
2503 * c-tree.h, c-common.h: Adjust.
2505 2001-08-23 Bernd Schmidt <bernds@redhat.com>
2507 * config/ia64/ia64.c (rws_update): If !pred, set write_count
2508 instead of incrementing it.
2510 * config/ia64/ia64.c (ia64_sched_reorder): When there's more than one
2511 asm ready, don't try to move them all into the same array element.
2513 Thu Aug 23 17:21:43 CEST 2001 Jan Hubicka <jh@suse.cz>
2515 * function.c (thread_prologue_and_epilogue_insns): Avoid
2516 fallthru flag on edge to exit.
2518 * i386.md (trunc?fsi splitter): Conditionionize for non-sse.
2520 * flow.c (delete_noop_moves, propagate_block_delete_insn): Purge
2523 2001-08-23 Lars Brinkhoff <lars@nocrew.org>
2525 * config/mcore/mcore.h (MACHINE_DEPENDENT_SIMPLIFY): Remove.
2526 * config/mcore/mcore.c (mcore_dependent_simplify_rtx): Likewise.
2527 * config/mcore/mcore-protos.h (mcore_dependent_simplify_rtx):
2530 2001-08-23 Lars Brinkhoff <lars@nocrew.org>
2532 * genconstants.c, genpreds.c, libfuncs.h, optabs.h, rtl-error.h:
2533 replace "GNU CC" with "GCC".
2535 2001-08-23 Richard Henderson <rth@redhat.com>
2537 * config/ia64/ia64.c (ia64_register_move_cost): Add mode arguemnt.
2538 Reorganize. Handle ADDL like GR, add GR_AND_BR. Handle TFmode.
2539 (ia64_secondary_reload_class): Need GR between AR/BR and anything.
2540 Need GR between FR and not GR_AND_FR.
2541 * config/ia64/ia64-protos.h (ia64_register_move_cost): Update.
2542 * config/ia64/ia64.h (reg_class): Add GR_AND_BR_REGS, move
2543 AR regs before GR regs.
2544 (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update.
2545 (PREFERRED_RELOAD_CLASS): Tweak for reordered classes.
2546 (REGISTER_MOVE_COST): Update.
2547 (MEMORY_MOVE_COST): Add GR_AND_FR_REGS.
2549 2001-08-23 Richard Henderson <rth@redhat.com>
2551 * regclass.c (init_reg_sets_1): Don't assume cost 2 within
2554 2001-08-22 Geoffrey Keating <geoffk@redhat.com>
2556 * reload1.c (emit_reload_insns): Don't look for notes
2557 on a NULL store_insn.
2559 2001-08-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2561 * sparc.c (uns_small_int): Don't reference a constant >32-bit.
2562 (addrs_ok_for_ldd_peep): Fix signed/unsigned warning.
2563 (sparc_flat_function_prologue, sparc_flat_function_epilogue): Fix
2564 format specifier warnings.
2565 (sparc_sched_reorder): Mark parameter with ATTRIBUTE_UNUSED.
2567 2001-08-22 David Billinghurst <David.Billinghurst@riotinto.com>
2569 * config/i386/i386-protos.h: Correct declaration of
2570 i386_pe_asm_named_section.
2572 2001-08-22 John David Anglin <dave@hiauly1.hia.nrc.ca>
2574 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Add declaration for
2576 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
2578 2001-08-22 Neil Booth <neil@daikokuya.demon.co.uk>
2580 * cpperror.c (print_location): Don't show _Pragma.
2581 * cppfiles.c (_cpp_pop_file_buffer): Handle -include file pushing
2582 and file change callback generation here.
2583 (stack_include_file): Update use of cpp_push_buffer.
2584 * cpphash.h (_cpp_pop_file_buffer): Update prototype.
2585 (struct cpp_buffer): Remove type, pfile members.
2586 * cppinit.c (cpp_handle_option): Use free_chain.
2587 * cpplex.c (_cpp_lex_token): Don't do -include file pushing here.
2588 (skip_escaped_newlines, get_effective_char, lex_percent): Take
2589 a cpp_reader rather than a cpp_buffer.
2590 (skip_escaped_newlines, get_effective_char, skip_block_comment,
2591 skip_line_comment, parse_string, lex_percent, lex_dot,
2592 _cpp_lex_token): Update accordingly.
2593 * cpplib.c (_cpp_pop_buffer): Don't do file change callback
2595 (cpp_push_buffer): Update prototype.
2596 (run_directive): Update use of cpp_push_buffer.
2597 (_cpp_do__Pragma, cpp_define, cpp_define_builtin, cpp_undef,
2598 handle_assertion): Update use of run_directive.
2599 * cpplib.h (enum cpp_buffer_type): Remove.
2600 (cpp_push_buffer): Update prototype.
2601 * fix-header.c (read_scan_file): Update.
2603 2001-08-22 Matt Kraai <kraai@alumni.carnegiemellon.edu>
2605 * gcc.c (struct prefix_list): Change prefix to const char *.
2607 2001-08-22 Matt Kraai <kraai@alumni.carnegiemellon.edu>
2609 * final.c (final_scan_insn): Call ADDR_VEC_ALIGN on next insn.
2611 2001-08-22 Jason Merrill <jason_merrill@redhat.com>
2613 * explow.c (set_mem_attributes): Avoid returning a bogus alias set
2616 * jump.c (squeeze_notes): Take parms by reference. Handle END being
2619 * ifcvt.c (dead_or_predicable): Adjust.
2620 * loop.c (find_and_verify_loops): Adjust.
2621 * stmt.c (expand_end_case): Adjust.
2622 * flow.c (merge_blocks_move_successor_nojumps): Adjust. Modify the
2623 head and end insn pointers in the basic block, not just local copies.
2624 (merge_blocks_move_predecessor_nojumps): Likewise.
2626 2001-08-22 Lars Brinkhoff <lars@nocrew.org>
2628 * Makefile.in, alias.c, basic-block.h, bb-reorder.c, bitmap.c,
2629 bitmap.h, builtin-types.def, builtins.c, builtins.def,
2630 c-aux-info.c, c-common.c, c-common.def, c-common.h,
2631 c-convert.c, c-decl.c, c-dump.c, c-dump.h, c-errors.c,
2632 c-format.c, c-lang.c, c-lex.c, c-lex.h, c-parse.in,
2633 c-pragma.c, c-pragma.h, c-semantics.c, c-tree.h, c-typeck.c,
2634 caller-save.c, calls.c, collect2.c, collect2.h, combine.c,
2635 conditions.h, config.gcc, configure.frag, configure.in,
2636 conflict.c, convert.c, convert.h, cppspec.c, crtstuff.c,
2637 cse.c, cselib.c, cselib.h, dbxout.c, dbxout.h, defaults.h,
2638 dependence.c, df.c, df.h, diagnostic.c, diagnostic.h,
2639 doloop.c, dominance.c, dwarf.h, dwarf2.h, dwarf2asm.c,
2640 dwarf2asm.h, dwarf2out.c, dwarf2out.h, dwarfout.c,
2641 emit-rtl.c, errors.c, errors.h, except.c, except.h,
2642 exgettext, explow.c, expmed.c, expr.c, expr.h, final.c,
2643 fixproto, flags.h, flow.c, fold-const.c, fp-test.c,
2644 function.c, function.h, gbl-ctors.h, gcc.c, gcc.h, gcc.hlp,
2645 gccspec.c, gcov-io.h, gcse.c, genattr.c, genattrtab.c,
2646 gencheck.c, gencodes.c, genconfig.c, genemit.c,
2647 genextract.c, genflags.c, gengenrtl.c, genmultilib,
2648 genopinit.c, genoutput.c, genpeep.c, genrecog.c,
2649 gensupport.c, gensupport.h, ggc-callbacks.c, ggc-common.c,
2650 ggc-none.c, ggc-page.c, ggc-simple.c, ggc.h, global.c,
2651 graph.c, graph.h, gthr-aix.h, gthr-dce.h, gthr-posix.h,
2652 gthr-rtems.h, gthr-single.h, gthr-solaris.h, gthr-vxworks.h,
2653 gthr-win32.h, gthr.h, haifa-sched.c, halfpic.c, halfpic.h,
2654 hard-reg-set.h, hwint.h, ifcvt.c, input.h, insn-addr.h,
2655 integrate.c, integrate.h, jump.c, lcm.c, libgcc2.c,
2656 libgcc2.h, lists.c, local-alloc.c, loop.c, loop.h,
2657 machmode.def, machmode.h, main.c, mbchar.c, mbchar.h,
2658 mips-tdump.c, mips-tfile.c, mklibgcc.in, mkmap-flat.awk,
2659 mkmap-symver.awk, optabs.c, output.h, params.c, params.def,
2660 params.h, predict.c, predict.def, predict.h, prefix.c,
2661 prefix.h, print-rtl.c, print-tree.c, profile.c, protoize.c,
2662 read-rtl.c, real.c, real.h, recog.c, recog.h, reg-stack.c,
2663 regclass.c, regmove.c, regrename.c, regs.h, reload.c,
2664 reload.h, reload1.c, reorg.c, resource.c, resource.h, rtl.c,
2665 rtl.def, rtl.h, rtlanal.c, sbitmap.c, sbitmap.h,
2666 sched-deps.c, sched-ebb.c, sched-int.h, sched-rgn.c,
2667 sched-vis.c, sdbout.c, sdbout.h, sibcall.c, simplify-rtx.c,
2668 ssa-ccp.c, ssa-dce.c, ssa.c, ssa.h, stmt.c, stor-layout.c,
2669 stringpool.c, system.h, timevar.c, timevar.def, timevar.h,
2670 tlink.c, toplev.c, toplev.h, tree.c, tree.def, tree.h,
2671 tsystem.h, unroll.c, unwind-dw2-fde.c, unwind-dw2-fde.h,
2672 unwind-dw2.c, unwind-pe.h, unwind-sjlj.c, unwind.h,
2673 unwind.inc, varasm.c, varray.c, varray.h, xcoffout.c,
2674 xcoffout.h: replace "GNU CC" with "GCC".
2676 2001-08-21 Richard Henderson <rth@redhat.com>
2678 * final.c (LABEL_ALIGN_AFTER_BARRIER): Default to no alignment.
2679 (final_scan_insn): Consider jump tables data even if we have no
2680 independant text section if !JUMP_TABLES_IN_TEXT_SECTION. Use
2682 * config/ia64/ia64.h (JUMP_TABLES_IN_TEXT_SECTION): Remove.
2683 (ASM_OUTPUT_CASE_END): Remove.
2684 (ASM_OUTPUT_ADDR_DIFF_ELT): Emit pc-relative references.
2685 * config/ia64/ia64.md (tablejump): Decode pc-relative references.
2686 * config/ia64/sysv4.h (ASM_OUTPUT_BEFORE_CASE_LABEL): Remove.
2688 2001-08-21 Richard Henderson <rth@redhat.com>
2690 * config/ia64/ia64.c (emit_all_insn_group_barriers): Flush state
2691 at barrier insns. Emit stop bits before barriers.
2693 * flow.c (flow_find_cross_jump): Don't consider unconditional
2694 return insns for commoning.
2696 * final.c (compute_alignments): Fix typo.
2698 * expmed.c (CODE_FOR_insv, gen_insv): Provide defaults.
2699 (CODE_FOR_extv, gen_extv, CODE_FOR_extzv, gen_extzv): Likewise.
2700 (store_bit_field): Use mode_for_extraction more places.
2701 (extract_bit_field): Likewise.
2703 2001-08-21 Zack Weinberg <zackw@panix.com>
2705 * caller-save.c: Don't include insn-codes.h.
2706 (reg_save_code, reg_restore_code): Make arrays of int.
2707 All uses updated to match.
2708 (insert_save, insert_restore): No need to initialize "code"
2709 variable upon declaration.
2710 * Makefile.in: update dependencies; fix typo in clean rule.
2712 2001-08-21 Richard Henderson <rth@redhat.com>
2714 * ifcvt.c (find_if_block): Allow join_bb as EXIT.
2715 (merge_if_block): Handle fallout from same.
2717 2001-08-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2719 * builtins.c (type_to_class): Fix typo in last change.
2721 2001-08-21 Richard Henderson <rth@redhat.com>
2723 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Don't emit '#' if
2724 ia64_asm_output_label.
2726 * config/ia64/crtbegin.asm (__do_global_dtors_aux): Use saved
2727 copy of gp while the real gp register contains garbage.
2729 2001-08-21 Zack Weinberg <zackw@panix.com>
2731 * expmed.c (mode_for_extraction): New function.
2732 (store_bit_field, extract_bit_field): Use it.
2733 * expr.h: Prototype it and provide an enum for its first argument.
2735 * combine.c, function.c, recog.c: Don't include insn-codes.h.
2736 Use mode_for_extraction rather than testing HAVE_insv/extv/extzv
2737 and digging through the insn_data tables.
2738 * Makefile.in: Update dependencies.
2740 2001-08-22 Neil Booth <neil@daikokuya.demon.co.uk>
2742 * cppfiles.c (stack_include_file): line-map.c now handles include
2744 (handle_missing_handler): Similarly.
2745 (_cpp_execute_include): Similarly.
2746 (_cpp_pop_file_buffer): Similarly.
2747 * cpphash.h (struct cpp_reader): Remove system_include_depth,
2748 buffer_stack_depth and include_depth.
2749 * cpplib.c (do_include_common): line-map.c now handles include depth.
2750 (cpp_push_buffer): Similarly.
2751 (_cpp_pop_buffer): Similarly.
2752 * cppmacro.c (builtin_macro): Update.
2753 * line-map.c (init_line_maps): Set depth.
2754 (add_line_map): Increment "used" earlier. Update and use the
2756 (trace_include): Use the include depth.
2757 * line-map.h (struct line_maps): New member depth.
2759 2001-08-21 Neil Booth <neil@daikokuya.demon.co.uk>
2761 * cppfiles.c (stack_include_file): Don't handle -H here.
2762 * cppinit.c (cpp_start_read): Set include tracing after
2763 cpp_post_options and after stacking the main file.
2764 * line-map.c (trace_include): New.
2765 (init_line_maps, add_line_map): Update.
2766 * line-map.h (struct line_maps): New member trace_includes.
2768 2001-08-21 Neil Booth <neil@daikokuya.demon.co.uk>
2770 * cppfiles.c (stack_include_file): Harmonize system headerness tests.
2771 * cppfiles.c (stack_include_file): Only stack a file if there
2772 is something to do. Return a boolean indicating whether a
2773 buffer was stacked or not.
2774 (_cpp_execute_include): Similarly.
2775 (_cpp_read_file): Similarly.
2776 * cpphash.h (_cpp_read_file, _cpp_execute_include): Update prototypes.
2778 2001-08-21 Sam Steingold <sds@gnu.org>
2780 * tradcpp.c (rescan): define obufp_before_macroname before RECACHE
2781 (RECACHE): keep obufp_before_macroname up to date
2783 2001-08-21 Zack Weinberg <zackw@panix.com>
2785 * stmt.c: Don't include insn-codes.h.
2786 (expand_end_case): Machine specific logic moved to expr.c.
2787 No need to worry about __builtin_classify_type.
2788 (check_for_full_enumeration_handling, emit_case_nodes):
2791 * builtins.o (expand_builtin_classify_type): Split up so code
2792 can be shared with fold_builtin_classify_type.
2793 (type_to_class, fold_builtin_classify_type): New functions.
2794 (fold_builtins): Handle __builtin_classify_type.
2796 * expr.c (do_tablejump): Now static.
2797 (case_values_threshold, try_casesi, try_tablejump): New;
2798 code mostly from stmt.c (expand_end_case).
2799 (expr.h): Update prototypes.
2801 * Makefile.in (stmt.o): Update dependencies.
2803 2001-08-21 Will Cohen <wcohen@redhat.com>
2805 * configure/alpha/alpha.h (CONDITIONAL_REGISTER_USAGE): Added local
2806 declaration of variable i.
2807 * configure/rs6000/rs6000.h (CONDITIONAL_REGISTER_USAGE): Added local
2808 declaration of variable i.
2810 2001-08-21 Richard Henderson <rth@redhat.com>
2812 * crtstuff.c: Fix thinko last change. Move list tails to start
2813 of CRT_END section. Tidy ifdefs.
2814 (__EH_FRAME_BEGIN__): Always static for ELF.
2815 (__do_global_ctors_1): Rename from __frame_dummy.
2816 * config/mips/iris6.h (LINK_SPEC): Update for __do_global_ctors_1
2817 name change; don't hide __EH_FRAME_BEGIN__.
2819 2001-08-21 Richard Henderson <rth@redhat.com>
2821 * gdbinit.in: Move break on exit after break on fancy_abort.
2823 * config/ia64/ia64.c (ia64_return_in_memory): True for variable
2826 2001-08-21 Neil Booth <neil@daikokuya.demon.co.uk>
2828 * cpphash.h (_cpp_push_next_buffer): New.
2829 * cppinit.c (do_includes): Remove.
2830 (push_include, free_chain, _cpp_push_next_buffer): New.
2831 (cpp_start_read): Use them to rework command line option handling.
2832 (cpp_handle_option): Combine handling of -include and -imacros.
2833 * cpplex.c (_cpp_lex_token): Push a new -include buffer if
2834 appropriate. Always insert missing \n at EOF.
2835 * cpplib.c (start_directive): Get the directive position right.
2836 * cppmain.c (cb_file_change): Always print the first line, unless
2839 2001-08-20 Andreas Jaeger <aj@suse.de>
2841 * profile.c (compute_branch_probabilities): Remove extra new-line
2843 * flow.c (verify_flow_info): Likewise.
2845 2001-08-20 Diego Novillo <dnovillo@redhat.com>
2847 * basic-block.h (basic_block): Add new field 'flags'.
2848 (BB_REACHABLE): Define.
2849 (expunge_block): Declare.
2850 * flow.c (ENTRY_BLOCK_PTR): Initialize field 'flags'.
2851 (EXIT_BLOCK_PTR): Ditto.
2852 (expunge_block): Remove static declaration.
2853 (cleanup_cfg): Clear bb->aux on every basic block.
2854 (find_unreachable_blocks): Set BB_REACHABLE bit in bb->flags when
2855 computing reachability.
2856 (delete_unreachable_blocks): Delete block b if b->flags has
2859 2001-08-20 Diego Novillo <dnovillo@redhat.com>
2861 * doc/invoke.texi: Replace references to -fdump-tree with -fdump-ast.
2863 2001-08-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2865 * sparc.c (sparc_variable_issue): Fix typo in last change.
2867 2001-08-20 Richard Henderson <rth@redhat.com>
2869 * varasm.c (assemble_integer): Document ppc-eabi -mrelocatable losage.
2871 2001-08-20 John David Anglin <dave@hiauly1.hia.nrc.ca>
2873 * pa.h (RETURN_IN_MEMORY): Improve comment.
2875 2001-08-20 Janis Johnson <janis187@us.ibm.com>
2877 * doc/invoke.texi (Profiling options): Clarify the interactions
2878 between -fprofile-arcs and -ftest-coverage, -fprofile-arcs.
2880 2001-08-20 Jeffrey Oldham <oldham@codesourcery.com>
2882 * crtstuff.c (__do_global_ctors): Fix typo in preprocessing
2885 2001-08-20 Matt Kraai <kraai@alumni.carnegiemellon.edu>
2887 * gcc.c (make_relative_prefix): Allocate a sufficiently large
2890 2001-08-20 Richard Henderson <rth@redhat.com>
2892 * final.c (end_final): Fix typo last change.
2894 2001-08-20 Neil Booth <neil@daikokuya.demon.co.uk>
2896 * cppinit.c (init_standard_includes): The returned buffer
2897 is already malloc-ed.
2898 * gcc.c (add_prefix): Similarly.
2899 * prefix.c (translate_name): Update to support clear buffer
2901 (update_path): Similarly. Be sure to free any newly allocated
2902 key. UPDATE_PATH_HOST_CANONICALIZE takes only one argument.
2904 * prefix.h (update_path): Update prototype and document.
2905 * config/i386/xm-djgpp.h (UPDATE_PATH_HOST_CANONICALIZE): Clean
2906 up and update to new buffer ownership rules.
2907 * doc/gcc.texi (UPDATE_PATH_HOST_CANONICALIZE): Update.
2909 Mon Aug 20 01:44:50 CEST 2001 Jan Hubicka <jh@suse.cz>
2911 * final.c (compute_alignments): New function.
2912 (init_insn_lengths): Do not care label_align.
2913 (LABEL_ALIGN_AFTER_BARRIER): Default to 1.
2914 (LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Default to 0.
2915 (JUMP_ALIGN, JUMP_ALIGN_MAX_SKIP): New.
2916 (shorted_branches): Realloc label_align array; do
2917 not call init_insn_lengths; Do not care about loop alignments.
2918 * output.h (compute_alignments): Declare.
2919 * toplev.c (rest_of_compilation): Call compute_alignments.
2920 * tm.texi (JUMP_ALIGN, JUMP_ALIGN_MAX_SKIP): Document.
2922 * predict.c (block_info_def): Add npredecesors, remove nvisited;
2923 change visited to tovisit.
2924 (propagate_freq): Use faster traversing algorithm.
2925 (estimate_loops_at_level, estimate_bb_frequencies): Change visited
2926 to tovisit; reverse meaning.
2928 * predict.c (struct block_info_def): Remove nvisited.
2929 (propagate_freq): Use EDGE_DFS_BACK to detect irreducible regions.
2930 (estimate_bb_frequencies): Call mark_dfs_back_edges.
2932 2001-08-19 Geoffrey Keating <geoffk@redhat.com>
2934 * doc/invoke.texi (MIPS Options): Document -mfused-madd.
2935 * config/mips/mips.h (MASK_NO_FUSED_MADD): New.
2936 (TARGET_FUSED_MADD): New.
2937 (TARGET_SWITCHES): Add -mfused-madd, -mno-fused-madd.
2938 * config/mips/mips.md: Add TARGET_FUSED_MADD as condition to
2939 the multiply-add instructions.
2941 2001-08-19 Richard Henderson <rth@redhat.com>
2943 * dwarf2asm.c (dw2_output_indirect_constant_1): The symbol ref
2944 is aligned to pointer size.
2946 2001-08-19 Richard Henderson <rth@redhat.com>
2948 * config/ia64/ia64.c (ia64_cycle_display): Only emit cycle
2949 display markers during final schedule.
2951 2001-08-19 Richard Henderson <rth@redhat.com>
2953 * function.c (gen_mem_addressof): Don't call get_alias_set if no decl.
2955 2001-08-19 Richard Henderson <rth@redhat.com>
2957 * config/ia64/ia64.h (STRIP_NAME_ENCODING): Handle @ and *
2959 (ASM_NAME_TO_STRING): Remove.
2960 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Handle @ and *
2961 in the same string. Remove support for expressions.
2963 2001-08-19 Richard Henderson <rth@redhat.com>
2965 * config/i386/i386.md (tablejump): Make an expander; handle
2966 pic relative addressing here.
2967 (tablejump_1): Rename from tablejump_pic.
2970 2001-08-19 Richard Henderson <rth@redhat.com>
2972 * regclass.c (fix_register): Fix typo.
2974 2001-08-18 Richard Henderson <rth@redhat.com>
2976 * config/ia64/unwind-ia64.c (UNW_REG_B0): New.
2977 (struct _Unwind_Context): Expand br_loc to hold it.
2978 (uw_frame_state_for): Handle leaf functions better.
2979 (uw_update_reg_address): Update for br_loc change.
2981 2001-08-18 Richard Henderson <rth@redhat.com>
2983 * crtstuff.c: Move list heads before code that uses them.
2984 (__JCR_LIST__): Remove initial null.
2985 (frame_dummy, __frame_dummy): Do java registration here ...
2986 (__do_global_ctors_aux): ... not here.
2988 * config/ia64/crtbegin.asm (dtor_ptr): Make gp-relative.
2989 (__do_global_dtors_aux): Update to match.
2990 (__JCR_LIST__, __do_jv_register_classes): New.
2992 * config/ia64/crtend.asm (__JCR_END__): New.
2993 (__do_global_ctors_aux): Use a GPREL64I reloc to __CTOR_END__
2994 instead of an indirect LTOFF22 reloc.
2996 2001-08-18 Richard Henderson <rth@redhat.com>
2998 * flow.c (mark_regs_live_at_end): Use regs_invalidated_by_call.
2999 * regclass.c (init_reg_sets_1): Fix typo.
3000 * config/ia64/ia64.c (ar_pfs_reg_operand): New.
3001 (ia64_expand_call): Pass ar.pfs to sibcall expanders.
3002 (ia64_compute_frame_size): Make ar.unat live when in use.
3003 (ia64_epilogue_uses): Reformat; do not check current_function_is_leaf
3004 for ar.pfs; remove ar.unat handling.
3005 * config/ia64/ia64.h (CALL_REALLY_USED_REGISTERS): ar.unat is
3007 (PREDICATE_CODES): Add ar_pfs_reg_operand.
3008 * config/ia64/ia64-protos.h: Update decls.
3009 * config/ia64/ia64.md (sibcall_nopic): Use ar.pfs.
3010 (sibcall_pic): Likewise.
3012 2001-08-18 Richard Henderson <rth@redhat.com>
3014 * config/ia64/ia64.c (ia64_sched_reorder2): Also skip past
3015 pred_rel_mutex when searching for insn_group_barrier.
3016 * config/ia64/ia64.md (cycle_display): Combine the expander
3019 * config/ia64/ia64.c (ia64_internal_sched_reorder): Emit stop
3020 bit before asm as needed.
3022 2001-08-18 Richard Henderson <rth@redhat.com>
3024 * timevar.def (TV_MACH_DEP): New.
3025 * toplev.c (rest_of_compilation): Use it.
3026 * config/ia64/ia64.c (ia64_reorg): Push to TV_SCHED2.
3028 2001-08-18 Zack Weinberg <zackw@panix.com>
3030 * unwind-dw2.c (execute_stack_op): Add default aborts to
3031 the inner switches to prevent warnings.
3033 2001-08-18 Richard Henderson <rth@redhat.com>
3035 * timevar.h (struct timevar_time_def): Change element type to float.
3036 (ticks_to_msec, clocks_to_msec): Likewise.
3037 (TICKS_TO_MSEC, CLOCKS_TO_MSEC): Rescale to seconds; use type float.
3038 (get_time): Likewise.
3039 (timevar_print): Adjust zero check and printing to match.
3041 2001-08-18 Zack Weinberg <zackw@panix.com>
3043 * doc/extend.texi, doc/gcc.texi, doc/install-old.texi,
3044 doc/invoke.texi, doc/md.texi, doc/rtl.texi, doc/include/gpl.texi:
3045 Eliminate overfull or underfull hboxes.
3047 2001-08-18 Zack Weinberg <zackw@panix.com>
3049 * cpperror.c: Use VA_OPEN/VA_CLOSE/VA_FIXEDARG throughout.
3051 2001-08-18 Zack Weinberg <zackw@panix.com>
3053 * haifa-sched.c: Convert to target hooks. Macros replaced
3054 are ISSUE_RATE, ADJUST_COST, ADJUST_PRIORITY, MD_SCHED_INIT,
3055 MD_SCHED_REORDER, MD_SCHED_REORDER2, MD_SCHED_VARIABLE_ISSUE,
3056 MD_SCHED_FINISH, and HAVE_cycle_display.
3057 * target-def.h (TARGET_SCHED_ADJUST_COST,
3058 TARGET_SCHED_ADJUST_PRIORITY, TARGET_SCHED_ISSUE_RATE,
3059 TARGET_SCHED_VARIABLE_ISSUE, TARGET_SCHED_INIT,
3060 TARGET_SCHED_FINISH, TARGET_SCHED_REORDER,
3061 TARGET_SCHED_REORDER2, TARGET_SCHED_CYCLE_DISPLAY):
3062 New hook #defines to be overridden.
3063 (TARGET_SCHED): Bring them all together.
3064 (TARGET_INITIALIZER): Update.
3065 * target.h: Don't forward declare struct rtx_def. Use 'rtx'
3066 instead of 'struct rtx_def *' throughout.
3067 (struct sched): New set of hooks for the scheduler.
3068 * Makefile.in (haifa-sched.o): Depend on target.h.
3069 * doc/tm.texi: Document the new scheduler hooks, together in
3070 their own section, instead of scattered around.
3071 Fix a bunch of underfull/overfull hboxes.
3073 * a29k.h, alpha.h, arm.h, c4x.h, convex.h, d30v.h, i386.h,
3074 ia64.h, m32r.h, m88k.h, mips.h, pa.h, rs6000.h, s390.h, sh.h,
3075 sparc.h: Don't define any of the old scheduler macros.
3077 * a29k.c, alpha.c, arm.c, c4x.c, convex.c, d30v.c, i386.c,
3078 ia64.c, m32r.c, m88k.c, mips.c, pa.c, rs6000.c, s390.c, sh.c,
3079 sparc.c: Create hook functions from code extracted from
3080 corresponding target header, or make existing hooks static, as
3081 appropriate. Set the appropriate entries in targetm.
3083 * alpha-protos.h, arm-protos.h, c4x-protos.h, d30v-protos.h,
3084 i386-protos.h, ia64-protos.h, m32r-protos.h, pa-protos.h,
3085 rs6000-protos.h, s390-protos.h, sparc-protos.h:
3086 Remove prototypes for functions which are now static.
3088 * d30v.h, d30v.c, m32r.h, m32r.c: Remove #ifdef HAIFA and
3089 related gunk; the Haifa scheduler is now the only choice.
3091 2001-08-18 Zack Weinberg <zackw@panix.com>
3093 * optabs.h (OTI_flodiv, flodiv_optab): Kill.
3094 * genopinit.c: Put floating point divide insns in sdiv_optab.
3095 * expr.c (expand_expr): Use sdiv_optab, not flodiv_optab.
3096 * config/gofast.h, config/c4x/c4x.h,
3097 config/ia64/hpux_longdouble.h, config/mips/mips.h,
3098 config/pa/long_double.h, config/rs6000/sysv4.h,
3099 config/sparc/sparc.h: Put floating point divide libcalls in sdiv_optab.
3100 * optabs.c (init_optab): Break into new_optab, init_optab, init_optabv.
3101 (init_optabs): Use init_optabv for overflow-trapping optabs.
3102 Don't init flodiv_optab. Give mov_optab, movstrict_optab, and
3103 cmp_optab RTX codes so have_insn_for can find them.
3105 * optabs.c (expand_simple_binop, expand_simple_unop,
3106 have_insn_for, gen_sub3_insn): New interfaces.
3107 * expr.h: Prototype new functions.
3108 (enum optab_methods): Move here from optabs.h.
3110 * builtins.c, combine.c, doloop.c, function.c, ifcvt.c,
3111 loop.c, profile.c, simplify-rtx.c, stmt.c, unroll.c:
3112 Use new functions instead of working directly with optabs.
3113 * doloop.c, ifcvt.c, loop.c, profile.c, simplify-rtx.c,
3114 unroll.c: Don't include optabs.h.
3115 * caller-save.c, combine.c, function.c, stmt.c: Just include
3116 insn-codes.h, not optabs.h.
3117 * Makefile.in: Update dependencies.
3119 * combine.c (make_compound_operation, simplify_comparison):
3120 Fix typos testing for this or that instruction.
3122 2001-08-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3124 * mklibgcc.in: Prefer LIB1ASMFUNCS over LIB2_DIVMOD_FUNCS when
3125 generating libgcc.a.
3127 2001-08-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3129 * except.c (TYPE_HASH): Delete.
3131 * objc/objc-act.c (HASHFUNCTION): Cast to size_t, not
3134 * tree.c (TYPE_HASH): Delete.
3136 * tree.h (TYPE_HASH): Define.
3138 2001-08-18 Graham Stott <grahams@redhat.com>
3140 * config/mips/mips.md (adddi3_internal_2+1): Remove contraints from
3142 (adddi3_internal_2+2): Likewise.
3143 (eh_set_lr_di+1): Likewise.
3145 2001-08-17 Richard Henderson <rth@redhat.com>
3147 * defaults.h (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
3148 UNALIGNED_DOUBLE_INT_ASM_OP, ASM_BYTE_OP): Move from ...
3149 * dwarf2asm.c: ... here.
3150 * dwarfout.c: Remove them.
3152 * varasm.c (assemble_integer): Add align parameter.
3153 (assemble_real, output_constant, output_constructor): Likewise.
3154 * output.h: Update decls.
3155 * dwarf2asm.c, final.c, varasm.c, config/darwin.c, config/nextstep.c,
3156 config/alpha/alpha.c, config/arm/arm.md, config/clipper/clipper.c,
3157 config/m88k/m88k.c, config/mcore/mcore.md, config/mips/mips.h,
3158 config/mips/mips.md, config/pa/pa.c, config/rs6000/rs6000.c,
3159 config/rs6000/rs6000.h, config/s390/s390.h, config/sh/sh.md:
3162 * final.c (end_final): Abort profile block generation if we
3163 havn't layed it out properly.
3164 * output.h (assemble_eh_integer): Remove stale decl.
3165 * varasm.c (assemble_zeros): Tidy; use assemble_integer.
3167 (assemble_integer): Handle unaligned data.
3168 (assemble_real): Abort on unaligned data.
3169 (output_constructor): Don't assume ASM_OUTPUT_ALIGN 0 does
3171 (default_dtor_section_asm_out_destructor): Use assemble_align.
3172 (default_named_section_asm_out_constructor): Likewise.
3173 (default_ctor_section_asm_out_constructor): Likewise.
3174 * config/darwin.c (machopic_asm_out_constructor): Likewise.
3175 (machopic_asm_out_destructor): Likewise.
3176 * config/nextstep.c (nextstep_asm_out_constructor): Likewise.
3177 (nextstep_asm_out_destructor): Likewise.
3178 * config/alpha/alpha.c (vms_asm_out_constructor): Likewise.
3179 (vms_asm_out_destructor): Likewise.
3181 2001-08-17 Richard Henderson <rth@redhat.com>
3183 * config/mips/iris6.h (TARGET_IRIX6): New.
3184 (current_section_name, current_section_flags): New.
3185 (ASM_OUTPUT_ALIGN, ASM_FILE_START, ASM_FILE_END): New.
3186 (MAX_OFILE_ALIGNMENT): New.
3187 (ASM_OUTPUT_ALIGNED_LOCAL): Use bss_section.
3188 * config/mips/mips.c (mips_make_temp_file, temp_filename): Remove.
3189 (copy_file_data): Split out from
3190 (mips_asm_file_end): ... here.
3191 (mips_asm_file_start): Remove extra .section directive. Use
3192 tmpfile instead of mips_make_temp_file.
3193 (mips_unique_section): Use const char * as needed for warnings.
3194 (iris6_asm_named_section_1): Renamed from iris6_asm_named_section;
3195 re-add align parameter.
3196 (iris6_asm_named_section): New.
3197 (iris_section_align_entry_eq, iris_section_align_entry_hash): New.
3198 (iris6_asm_output_align, iris6_section_align_1): New.
3199 (iris6_asm_file_start, iris6_asm_file_end): New.
3200 * config/mips/mips-protos.h: Update decls.
3202 2001-08-17 Janis Johnson <janis187@us.ibm.com>
3204 * doc/install.texi (Install GCC): Add links to build status pages.
3206 (Final install): Ditto; request updates for specific info
3208 2001-08-17 Neil Booth <neil@daikokuya.demon.co.uk>
3210 * cpperror.c (print_location): Don't take a file name; use the
3212 (_cpp_begin_message): Similarly.
3213 (cpp_ice, cpp_fatal, cpp_error, cpp_error_with_line, cpp_warning,
3214 cpp_warning_with_line, cpp_pedwarn, cpp_pedwarn_with_line): Update.
3215 (cpp_pedwarn_with_file_and_line): Remove.
3216 * cppfiles.c (stack_include_file): Update; set filename to stdin
3217 here when appropriate.
3218 * cpphash.h (struct cpp_buffer): Remove nominal_fname.
3219 (_cpp_begin_message): Don't take a file name.
3220 * cppinit.c: Add comment.
3221 * cpplex.c: Fix end-of-directive indicator.
3222 * cpplib.c: Don't include intl.h.
3223 (run_directive, do_diagnostic): Update.
3224 (do_line): Update to not use nominal_fname.
3225 (cpp_push_buffer): Don't take a filename.
3226 * cpplib.h (struct ht): Remove.
3227 (cpp_push_buffer): Don't take a filename.
3228 (cpp_pedwarn_with_file_and_line): Remove.
3229 * cppmacro.c (struct cpp_macro): Remove file.
3230 (builtin_macro): Update.
3231 (_cpp_create_definition): Update.
3232 * cppmain.c: Correct comment.
3233 * fix-header.c (read_scan_file): Update.
3235 2001-08-17 Kazu Hirata <kazu@hxi.com>
3237 * sbitmap.c: Fix comment formatting.
3238 * sched-deps.c: Likewise.
3239 * sibcall.c: Likewise.
3240 * simplify-rtx.c: Likewise.
3242 * ssa-ccp.c: Likewise.
3243 * stor-layout.c: Likewise.
3244 * timevar.c: Likewise.
3245 * toplev.c: Likewise.
3246 * unwind-dw2.c: Likewise.
3247 * unwind-dw2-fde.c: Likewise.
3248 * varasm.c: Likewise.
3250 2001-08-17 John David Anglin <dave@hiauly1.hia.nrc.ca>
3252 * pa.h (RETURN_IN_MEMORY): Return types with a size that is varable
3253 or larger than an integer in memory.
3255 2001-08-17 Zack Weinberg <zackw@panix.com>
3257 * system.h: Forward-declare struct rtx_def, struct rtvec_def,
3258 and union tree_node. Typedef rtx, rtvec, and tree. Fix comment.
3259 * rtl.h: Don't forward-declare union tree_node here. Don't
3260 typedef rtx or rtvec here. Change all uses of struct rtx_def *,
3261 struct rtvec_def *, or union tree_node * to use rtx, rtvec,
3262 and tree respectively.
3263 * tree.h: Don't forward-declare struct rtx_def here. Don't
3264 typedef tree here. Change all uses of struct rtx_def *,
3265 struct rtvec_def *, or union tree_node * to use rtx, rtvec,
3266 and tree respectively.
3268 2001-08-17 Richard Henderson <rth@redhat.com>
3270 * config/mips/elf.h, config/mips/elf64.h, config/mips/netbsd.h,
3271 config/mips/openbsd.h: Fix typos last change.
3273 2001-08-17 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3275 * doc/invoke.texi (Optimize Options): The default for
3276 -finline-limit is 600.
3278 2001-08-17 Richard Henderson <rth@redhat.com>
3280 * varasm.c (text_section): Allow TEXT_SECTION to override the
3281 printing of TEXT_SECTION_ASM_OP.
3282 * dwarf2out.c (TEXT_SECTION_NAME): Rename from TEXT_SECTION.
3283 (DATA_SECTION, BSS_SECTION): Remove.
3284 * dwarfout.c (TEXT_SECTION_NAME, DATA_SECTION_NAME, DATA1_SECTION_NAME,
3285 RODATA_SECTION_NAME, RODATA1_SECTION_NAME, BSS_SECTION_NAME):
3286 Rename from s/_NAME//.
3287 * config/mips/mips.h (TARGET_FILE_SWITCHING): Add !TARGET_MIPS16.
3288 (ASM_DECLARE_FUNCTION_NAME): Move file switching ...
3289 (TEXT_SECTION): ... here. New.
3290 * config/mips/elf.h (TEXT_SECTION): New; no file switching.
3291 * config/mips/elf64.h, config/mips/netbsd.h: Likewise.
3292 * config/mips/openbsd.h: Likewise.
3293 * config/mips/mips.c (mips_asm_file_start): Tidy file switching test.
3294 (mips_asm_file_end): Likewise test.
3295 (mips_output_function_epilogue): Likewise. Switch back to data
3296 section after emitting the function.
3298 * doc/tm.texi (Sections): Document TEXT_SECTION.
3300 2001-08-17 Richard Henderson <rth@redhat.com>
3302 * dwarf2out.c (dwarf2out_init): Don't emit .debug_loc label here.
3303 (dwarf2out_finish): Do it here. Emit .debug_loc before .debug_info.
3305 2001-08-17 Richard Henderson <rth@redhat.com>
3307 * varasm.c (assemble_variable): Don't overalign if DECL_USER_ALIGN.
3308 * crtstuff.c (__CTOR_LIST__, __DTOR_LIST__, __EH_FRAME_BEGIN__,
3309 __JCR_LIST__, __CTOR_END__, __DTOR_END__, __FRAME_END__,__JCR_END__):
3310 Add aligned attribute.
3312 2001-08-17 Andrew Haley <aph@cambridge.redhat.com>
3314 * config/sh/sh.md: Add modes to unspecs in first insn to match
3315 those in the second.
3317 * Makefile.in: Fix collect2 copy for Cygwin.
3319 Fri Aug 17 15:48:57 CEST 2001 Jan Hubicka <jh@suse.cz>
3321 Install the proper patch.
3322 * function.c (put_var_into_stack): Temporarily clear DECL_RTL.
3323 (assign_params): Avoid setting DECL_RTL to unfinished RTX.
3324 (expand_function_start): Likewise.
3325 * stmt.c (expand_decl): Likewise.
3326 * varasm.c (make_decl_rtx): Likewise.
3328 Fri Aug 17 15:41:35 CEST 2001 Jan Hubicka <jh@suse.cz>
3330 * final.c: Undo my previous accidental checkin.
3331 * output.h: Likewise.
3332 * tm.texi: Likewise.
3334 2001-08-16 Richard Henderson <rth@redhat.com>
3336 * varasm.c (named_section_flags): Remove align parameter.
3337 * varasm.c, dwarf2out.c: Update all callers.
3338 * output.h: Update prototypes.
3340 * target.h (target.asm_out.named_section): Remove align parameter.
3341 * varasm.c, config/a29k/a29k.c, config/alpha/alpha.c,
3342 config/arm/arm.c, config/c4x/c4x.c, config/h8300/h8300.c,
3343 config/i386/i386.c, config/i386/winnt.c, config/m68k/m68k.c,
3344 config/mcore/mcore.c, config/mips/mips.c, config/rs6000/rs6000.c,
3345 config/sh/sh.c, config/sparc/sparc.c: Update implementations to match.
3347 * varasm.c (in_named_entry_eq, in_named_entry_hash): New.
3348 (get_named_section_flags, set_named_section_flags): New.
3349 (named_section_flags): Use them.
3350 (named_section): Do decl vs section flags check here...
3351 (default_section_type_flags): ... not here.
3352 (init_varasm_once): Create in_named_htab.
3353 (resolve_unique_section): Mark reloc unused.
3355 2001-08-16 Richard Henderson <rth@redhat.com>
3357 * varasm.c (force_const_mem): Keep pool alignment in bits.
3358 (output_constant_pool): Use assemble_align.
3360 2001-08-16 Zack Weinberg <zackw@panix.com>
3362 * doc/tm.texi: Remove extra @table command.
3364 2001-08-16 Zack Weinberg <zackw@panix.com>
3366 * final.c (shorten_branches): Clear the end of the label_align
3367 array only if we made it larger. Break up messy expressions
3370 * diagnostic.c (internal_error): Check for error recursion
3371 before doing ICE suppression.
3373 * timevar.c: Timing variables now count in milliseconds.
3374 (init_timevar): Set up ticks_to_msec and clocks_to_msec here.
3375 (get_time): Not here.
3376 (timevar_print): Don't print any timer whose user, cpu, and
3377 wall times are all zero as displayed.
3378 * timevar.h: Update comment aboout units. Make timevar
3381 Thu Aug 16 17:39:45 CEST 2001 Jan Hubicka <jh@suse.cz>
3383 * function.c (put_var_into_stack): Temporarily clear DECL_RTL.
3384 (assign_params): Avoid setting DECL_RTL to unfinished RTX.
3385 (expand_function_start): Likewise.
3386 * stmt.c (expand_decl): Likewise.
3387 * varasm.c (make_decl_rtx): Likewise.
3389 2001-08-16 Jason Merrill <jason_merrill@redhat.com>
3391 * stor-layout.c (layout_decl): Don't set DECL_USER_ALIGN.
3392 (finalize_record_size): Don't set TYPE_USER_ALIGN.
3394 2001-08-16 Matt Kraai <kraai@alumni.carnegiemellon.edu>
3396 * config/i386/i386.c (ix86_init_mmx_sse_builtins): Remove unused
3399 2001-08-16 Andreas Jaeger <aj@suse.de>
3401 * config/s390/s390.c: Include "debug.h" for dwarf2out_do_frame
3404 Wed Aug 15 15:22:52 EDT 2001 John Wehle (john@feith.com)
3406 * rtl.h (only_sets_cc0_p): New prototype.
3407 * jump.c (sets_cc0_p): Handle INSN.
3408 (only_sets_cc0_p): New function.
3409 * flow.c (merge_blocks_nomove): Use only_sets_cc0_p.
3410 (tidy_fallthru_edge): Likewise.
3411 * integrate.c (copy_insn_list): Likewise.
3412 * unroll.c (unroll_loop): Likewise.
3413 (copy_loop_body): Likewise.
3415 2001-08-15 Jason Eckhardt <jle@redhat.com>
3417 * config/i960/i960.md (trap): Change "faulteq.t" to "faulte.t".
3419 Wed Aug 15 14:24:22 CEST 2001 Jan Hubicka <jh@suse.cz>
3421 * predict.c (struct block_info_def): Remove nvisited.
3422 (propagate_freq): Use EDGE_DFS_BACK to detect irreducible regions.
3423 (estimate_bb_frequencies): Call mark_dfs_back_edges.
3425 * i386.c (ix86_agi_depdendant): Lea causes AGI only on the Pentium
3426 (ix86_adjust_cost): Teach scheduler that latency to load operand can
3429 Wed Aug 15 12:41:32 CEST 2001 Jan Hubicka <jh@suse.cz>
3431 * predict.def: Update hitrates.
3433 2001-08-15 Richard Henderson <rth@redhat.com>
3435 * except.c (TYPE_HASH): Cast to size_t, not HOST_WIDE_INT.
3437 Tue Aug 14 17:30:59 2001 Jeffrey A Law (law@cygnus.com)
3439 * flow.c (commit_one_edge_insertion): Don't separate a LOOP_BEG
3440 note from its associated jump.
3442 2001-08-14 Ulrich Weigand <uweigand@de.ibm.com>
3444 * config/s390/linux64.h (CPP_PREDEFINES): Define __s390__
3445 also on 64-bit s390x targets.
3447 2001-08-14 Nick Clifton <nickc@cambridge.redhat.com>
3449 * config/arm/arm.c (arm_compute_initial_elimination_offset): New
3451 (arm_expand_prologue): Handled nested functions which take a
3452 variable argument list.
3453 * config/arm/arm.h (ARM_INITIAL_ELIMINATION_OFFSET): Replace
3454 macro with an invocation of
3455 arm_compute_initial_elimination_offset.
3456 * config/arm/arm-protos.h: Prototype
3457 arm_compute_initial_elimination_offset.
3459 2001-08-14 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3461 * doc/install.texi (Specific, avr): Fix markup.
3462 (Specific, c4x): Ditto.
3464 2001-08-14 Matt Kraai <kraai@alumni.carnegiemellon.edu>
3466 * predict.c (dump_prediction): Change `bool' parameter to `int'.
3468 2001-08-14 Gabriel Dos Reis <gdr@codesourcery.com>
3470 * Makefile.in (OBJS): Add rtl-error.o
3471 (rtl-error.o): New rule.
3472 (diagnostic.o): Adjust dependency.
3473 diagnostic.c (file_and_line_for_asm, diagnostic_for_asm,
3474 error_for_asm, _fatal_insn, _fatal_insn_not_found,
3475 warning_for_asm): Move to...
3476 rtl-error.c: ...here. New file.
3478 2001-08-14 Richard Henderson <rth@redhat.com>
3480 * dwarf2out.c (dwarf2out_frame_finish): Never emit .eh_frame
3481 if USING_SJLJ_EXCEPTIONS.
3483 2001-08-14 Steve Ellcey <sje@cup.hp.com>
3485 * tlink.c (scan_linker_output): Check string for unsatisfied in
3486 addition to undefined and unresolved.
3488 2001-08-14 Graham Stott <grahams@redhat.com>
3490 * libgcc2.c (*): Replace EH_FRAME_SECTION with
3491 EH_FRAME_SECTION_NAME.
3493 Tue Aug 14 14:57:07 CEST 2001 Jan Hubicka <jh@suse.cz>
3495 * genattrtab.c (simplify_test_exp_in_temp): New function.
3496 (simplify_test_exp): Avoid explicit use of temporary obstack.
3497 (simplify_cond, insert_right_side, evaluate_eq_attr,
3498 simplify_and_tree, simplify_or_tree, eliminate_known_true):
3499 Use simplify_test_exp_in_temp.
3500 (optimize_attrs): Iterate until expression stabilizes.
3502 2001-08-13 Ulrich Weigand <uweigand@de.ibm.com>:
3504 * glimits.h: Remove the __LONG_MAX__ special case for s390x.
3505 * config/s390/linux64.h: Define __LONG_MAX__ in CPP_PREDEFINES.
3507 2001-08-13 Richard Henderson <rth@redhat.com>
3509 * config/arm/unknown-elf.h (CTOR_LIST_BEGIN, CTOR_LIST_END): Remove.
3510 (DTOR_LIST_BEGIN, DTOR_LIST_END): Remove.
3511 * config/arm/conix-elf.h: Likewise.
3513 2001-08-13 Geoffrey Keating <geoffk@redhat.com>
3515 * config/svr4.h (LINK_SPEC): Don't do -Wl, here, it is done
3517 * config/rs6000/sysv4.h (LINK_SPEC): Likewise.
3519 * gcse.c (hash_scan_set): Expressions that are set as part of
3520 jump instructions are not available.
3522 2001-08-13 Ulrich Weigand <uweigand@de.ibm.com>
3524 * config/s390/s390.c (print_operand, s390_function_prologue,
3525 s390_va_start): Fixed HOST_WIDE_INT type mismatch.
3527 2001-08-13 Richard Henderson <rth@redhat.com>
3529 * config/rs6000/xcoff.h (EH_FRAME_IN_DATA_SECTION): New.
3530 * defaults.h (EH_FRAME_SECTION_NAME): Respect it.
3531 * doc/tm.texi (Exception Region Output): Document it.
3533 2001-08-13 Geoffrey Keating <geoffk@redhat.com>
3535 * config/rs6000/sysv4.h (PREFERRED_DEBUGGING_TYPE): Use
3536 DWARF2 instead of stabs by default.
3538 2001-08-13 David Edelsohn <edelsohn@gnu.org>
3540 * config/rs6000/rs6000.c: Include optabs.h.
3542 2001-08-13 David Edelsohn <edelsohn@gnu.org>
3544 * config/rs6000/eabi.asm: Define 64-bit versions of FPR
3545 save/restore routines.
3546 * ginclude/ppc-asm.h: Define 64-bit FUNC_* macros.
3548 2001-08-13 Andreas Jaeger <aj@suse.de>
3550 * gcc.c (init_spec): Revert last patch by Theodore Papadopoulo,
3551 the english is correct.
3553 2001-08-13 Zack Weinberg <zackw@panix.com>
3555 * expr.h: Split out optab- and libfunc-related code to...
3556 * optabs.h, libfuncs.h: ... these new headers.
3558 * Makefile.in (CONFIG_H, EXPR_H): Take out insn-codes.h.
3560 (various .o rules): Add $(OPTABS_H) and/or libfuncs.h to
3562 * mkconfig.sh: Don't include insn-codes.h from config.h.
3564 * reload.h: Use #ifdef GCC_INSN_CODES_H to decide whether
3565 enum insn_code is available. Move reload_in_optab and
3566 reload_out_optab array declarations to optabs.h.
3567 * regmove.c (gen_add3_insn): Move to optabs.c, export from
3568 there, prototype in expr.h.
3569 * gencodes.c: Cleanup: zap global variables, don't use
3570 printf where puts will do, don't bother defining MAX_INSN_CODE
3571 which nothing uses, let CODE_FOR_nothing get its value implicitly.
3573 * genemit.c, genopinit.c: Include optabs.h in generated file.
3574 * genoutput.c: Include insn-codes.h in generated file.
3575 * builtins.c, caller-save.c, combine.c, doloop.c, explow.c,
3576 expmed.c, expr.c, function.c, ifcvt.c, loop.c, optabs.c, profile.c,
3577 reload1.c, simplify-rtx.c, stmt.c, unroll.c, config/alpha/alpha.c,
3578 config/arm/arm.c, config/c4x/c4x.c, config/clipper/clipper.c,
3579 config/i386/i386.c, config/ia64/ia64.c, config/mn10300/mn10300.c,
3580 config/pj/pj.c, config/sh/sh.c, config/sparc/sparc.c:
3582 * builtins.c, calls.c, dwarf2out.c, except.c, expr.c, function.c,
3583 optabs.c, stmt.c, config/c4x/c4x.c, config/clipper/clipper.c,
3584 config/m88k/m88k.c, config/sparc/sparc.c:
3586 * reload.c: Include expr.h and optabs.h before reload.h.
3587 * config/alpha/alpha.c: Include tree.h before reload.h.
3588 * config/pa/pa.c: Include expr.h, optabs.h, libfuncs.h,
3589 and reload.h in that order.
3590 * config/sparc/sparc.c: Include debug.h.
3591 * recog.c: Include insn-codes.h.
3593 2001-08-13 Andreas Jaeger <aj@suse.de>
3595 * config.gcc: Use t-slibgcc-elf to build shared libgcc_s on
3598 2000-08-13 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
3600 * dwarf2out.c (output_cfa_loc): Fix typo in comment.
3601 * gcc.c (init_spec): Fix typo in comment.
3602 * varasm.c (data_section): Fix typo in comment.
3604 Mon Aug 13 02:27:39 CEST 2001 Jan Hubicka <jh@suse.cz>
3606 * predict.c (dump_prediction): New argument "USED".
3607 (combine_predictions_for_insn): Determine the used heuristics,
3608 output the case no heuristic applied.
3609 * predict.def (PRED_DS_THEORY, PRED_NO_HEURISTIC): New.
3611 2001-08-13 Andreas Jaeger <aj@suse.de>
3613 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Don't capitalize
3616 2001-08-13 Kazu Hirata <kazu@hxi.com>
3618 * jump.c: Fix formatting.
3620 2001-08-13 Kazu Hirata <kazu@hxi.com>
3622 * config/h8300/h8300.md (zero_extendqihi2): Correct the insn
3625 2001-08-12 Geoffrey Keating <geoffk@redhat.com>
3627 * loop.c (check_dbra_loop): Use condjump_label to compute
3630 * rtl.h: Move prototypes of rtx_alloc and rtvec_alloc around
3631 to better document the files they're in.
3633 2001-08-12 Zack Weinberg <zackw@panix.com>
3635 * recog.h (struct insn_operand_data): Shrink 'mode' field
3638 2001-08-12 Kazu Hirata <kazu@hxi.com>
3640 * gcc.c: Fix comment formatting.
3641 * gccspec.c: Likewise.
3644 * genemit.c: Likewise.
3645 * gengenrtl.c: Likewise.
3646 * genrecog.c: Likewise.
3647 * gensupport.c: Likewise.
3648 * ggc-page.c: Likewise.
3649 * global.c: Likewise.
3650 * graph.c: Likewise.
3651 * ifcvt.c: Likewise.
3652 * integrate.c: Likewise.
3654 * libgcc2.c: Likewise.
3656 * mbchar.c: Likewise.
3657 * optabs.c: Likewise.
3658 * predict.c: Likewise.
3659 * prefix.c: Likewise.
3660 * profile.c: Likewise.
3661 * protoize.c: Likewise.
3663 * recog.c: Likewise.
3664 * regclass.c: Likewise.
3665 * regmove.c: Likewise.
3666 * reg-stack.c: Likewise.
3667 * reload1.c: Likewise.
3668 * resource.c: Likewise.
3669 * rtlanal.c: Likewise.
3672 2001-08-12 Kazu Hirata <kazu@hxi.com>
3674 * doc/tm.texi (ENCODE_SECTION_INFO): Add documentation on how
3675 a tree representing a constant is passed to the macro.
3677 2001-08-12 Richard Henderson <rth@redhat.com>
3679 * config/rs6000/rs6000.c (rs6000_elf_asm_out_constructor): New.
3680 (rs6000_elf_asm_out_destructor): New.
3681 * config/rs6000/sysv4.h (CTORS_SECTION_ASM_OP): Remove.
3682 (DTORS_SECTION_ASM_OP): Remove.
3683 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
3684 (ASM_OUTPUT_INT): Don't hack TARGET_RELOCATABLE for constructors.
3686 2001-08-12 David Edelsohn <edelsohn@gnu.org>
3689 2001-08-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3690 * gcc.c (set_collect_gcc_options): New function, split out from
3692 Ignore elided switches.
3693 (do_spec_1): Invoke before executing command.
3694 (set_input): Export.
3695 Move declaration ...
3696 * gcc.h (set_input): ... here.
3697 * config/alpha/osf.h (ASM_FINAL_SPEC): Use %U.s to refer to input
3700 2001-08-12 Richard Henderson <rth@redhat.com>
3702 * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): Fix
3703 thinko wrt TARGET_RELOCATABLE.
3705 2001-08-12 Neil Booth <neil@daikokuya.demon.co.uk>
3707 * fix-header.c (cb_file_change): Update prototype.
3709 2001-08-11 Zack Weinberg <zackw@panix.com>
3711 * toplev.c (set_float_handler): Make static.
3712 * toplev.h: Don't prototype set_float_handler.
3714 * simplify-rtx.c: Don't include setjmp.h.
3715 (simplify_unary_real, simplify_binary_real, simplify_binary_is2orm1):
3717 (simplify_unary_operation, simplify_binary_operation): Use them,
3718 via do_float_handler.
3720 * fold-const.c: Don't include setjmp.h.
3721 (exact_real_inverse_1): New function.
3722 (exact_real_inverse): Use it, via do_float_handler.
3724 * varasm.c: Don't include setjmp.h.
3725 (assemble_real_1): New function.
3726 (assemble_real): Use it, via do_float_handler.
3727 Call internal_error if we get a trap here.
3729 * c-parse.in, cse.c, cselib.c, config/i386/i386.c,
3730 config/pj/pj.c, config/s390/s390.c: Don't include setjmp.h.
3732 2001-08-11 Zack Weinberg <zackw@panix.com>
3734 * defaults.h: Define PREFERRED_STACK_BOUNDARY to
3735 STACK_BOUNDARY if not already defined.
3737 * calls.c, function.c, reload1.c, explow.c: Don't default
3738 PREFERRED_STACK_BOUNDARY. Remove all #if/#ifdef on
3739 PREFERRRED_STACK_BOUNDARY and/or STACK_BOUNDARY.
3741 * explow.c (allocate_dynamic_stack_space): Change unsafe #if
3744 * doc/tm.texi: Document that STACK_BOUNDARY is required;
3745 clarify difference between it and PREFERRED_STACK_BOUNDARY.
3747 2001-08-11 Neil Booth <neil@daikokuya.demon.co.uk>
3749 * cppmacro.c (enter_macro_context): Push macro expansions even
3752 2001-08-11 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3754 * config/rs6000/rs6000.c: Include integrate.h to silence warning.
3755 (rs6000_elf_section_type_flags): Actually return a value.
3757 2001-08-11 Ulrich Weigand <uweigand@de.ibm.com>
3759 * s390.c, s390.h, s390.md, s390-protos.h, linux.h, t-linux:
3760 Clean up code: add missing comments and prototypes, fix warnings,
3761 remove obsolete code, fix spacing to conform to coding style.
3763 2001-08-11 Ulrich Weigand <uweigand@de.ibm.com>
3765 * config/s390/s390.c (targetm): Define TARGET_ASM_OPEN_PAREN
3766 and TARGET_ASM_CLOSE_PAREN.
3767 (regclass_map): CC register belongs to class NO_REGS.
3768 (legitimize_pic_address): Don't generate unnecessary moves
3769 (to avoid confusing loop optimization).
3770 (check_and_change_labels): Replace jump_long by indirect_jump.
3771 (s390_final_chunkify): Don't start a new literal pool on section
3772 switch in 64-bit code.
3773 (s390_va_start, s390_va_arg): Fixed incorrect sizes for 64-bit.
3775 * config/s390/s390.h (TARGET_SWITCHES): Renamed debug_arg to debug.
3776 (MAX_BITS_PER_WORD, MAX_LONG_TYPE_SIZE): Set to 64 (for 64-bit).
3777 (HARD_REGNO_MODE_OK, RETURN_IN_MEMORY): Support complex integer
3779 (reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Remove CC_REGS.
3780 (EH_RETURN_HANDLER_RTX): Fixed incorrect offset for 64-bit.
3781 (CONST_COSTS): Fixed incorrect costs.
3783 * config/s390/s390.md (fixuns_trunc[sd]f[sd]i2, udivsi3, umodsi3):
3784 Use emit_jump instead of emit_jump_insn (gen_jump).
3785 (divsi3, modsi3): Clobber low word of divmoddisi3 before shifting
3786 (to avoid confusing flow analysis).
3787 (tablejump, tablejump1, tablejump2): Removed. Replaced by casesi.
3788 (casesi, casesi_jump): New.
3789 (jump_long): Removed. Functionality merged into indirect_jump.
3790 (indirect_jump): Accept address_operand, not just register_operand.
3791 (cjump_long, icjump_long): Use same logic as indirect_jump.
3792 (builtin_setjmp_setup, builtin_setjmp_receiver, builtin_longjmp):
3793 Fixed broken setjmp/longjmp handling.
3794 (do_builtin_setjmp_setup): Removed.
3796 * config/s390/linux.h (ASM_OUTPUT_DOUBLE_INT): Work around
3797 broken GNU as versions that don't accept .quad with large
3798 negative values. Use hexadecimal output instead.
3799 (ASM_OUTPUT_ADDR_DIFF_ELT): Adapt to new casesi insn.
3800 (ASM_OPEN_PAREN, ASM_CLOSE_PAREN, FUNCTION_PROLOGUE,
3801 FUNCTION_EPILOGUE): Removed. Now in targetm.
3803 * config/s390/linux64.h (CALL_USED_REGISTERS): Add CC register.
3805 * config/s390/fixdfdi.h: Add missing copyright statement.
3806 Fix type conflicts on 64-bit. Add missing SFmode routines.
3808 * s390.c, s390.h, s390.md, linux.h, linux64.h: Fixed incorrect
3811 2001-08-11 Richard Henderson <rth@redhat.com>
3813 * rtl.h (REG_EH_RETHROW): Remove.
3814 * rtl.c (reg_note_name): Update.
3815 * combine.c (distribute_notes): Don't check for it.
3817 2001-08-11 Richard Henderson <rth@redhat.com>
3819 * combine.c (distribute_notes): Place REG_SETJMP.
3821 2001-08-11 Richard Henderson <rth@redhat.com>
3823 * doc/extend.texi (Arrays and pointers implementation): Discourage
3824 relying on sign-extension of pointers.
3826 2001-08-11 H.J. Lu <hjl@gnu.org>
3828 * config/mips/linux.h (EXTRA_SECTIONS): Remove in_ctors and
3830 (EXTRA_SECTION_FUNCTIONS): Remove DTORS_SECTION_ASM_OP and
3831 RDATA_SECTION_ASM_OP.
3833 2001-08-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3835 * doc/install.texi (Specific, c4x): Fix cross-reference to the
3836 main manual to work both for info and HTML versions.
3838 2001-08-11 Neil Booth <neil@daikokuya.demon.co.uk>
3839 Matt Kraai <kraai@alumni.carnegiemellon.edu>
3841 * cpphash.c (_cpp_destroy_hashtable): Use ht_destroy.
3842 * cpphash.h (CPP_IN_SYSTEM_HEADER): Fix.
3843 (struct cpp_pool): New member first.
3844 * cppinit.c (append_include_chain): Plug memory leaks.
3845 * cpplib.c (cpp_register_pragma, cpp_register_pragma_space):
3846 Allocate pragma structures from the (aligned) macro pool to
3847 avoid leaking memory.
3848 * cpplex.c (_cpp_init_pool, _cpp_free_pool): Use pool->first
3849 so we don't leak memory.
3850 * hashtable.c (ht_destroy): New.
3851 * hashtable.h (ht_destroy): New.
3853 2001-08-11 Neil Booth <neil@daikokuya.demon.co.uk>
3854 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3856 * c-lex.c (map): Make const.
3857 (cb_file_change): Update for callback passing a line map.
3858 Don't assume we have a previous map. Remove sanity check
3859 about popping too many files.
3860 * cpperror.c (print_location): Make map const.
3861 * cppfiles.c (stack_include_file): Update; line maps now hold sysp.
3862 (cpp_make_system_header): Similarly.
3863 (search_from): Similarly.
3864 (_cpp_execute_include): Don't remember where we came from.
3865 * cpphash.h (struct cpp_buffer): Remove return_to_line, sysp.
3866 (struct cpp_reader): Make map const.
3867 (CPP_IN_SYSTEM_HEADER, _cpp_do_file_change): Update.
3868 * cpplib.c (do_line): Update; line maps now hold sysp.
3869 (cpp_push_buffer): Similarly.
3870 (_cpp_do_file_change): Similarly; callback with map instead.
3871 (cpp_get_line_maps): Constify return value.
3872 (_cpp_pop_buffer): Update.
3873 * cpplib.h (struct cpp_file_change): Remove.
3874 (struct cpp_callbacks): Update.
3875 (cpp_get_line_maps): Constify return value.
3876 * cppmacro.c (_cpp_create_definition): Update.
3877 * cppmain.c (struct printer): Constify map.
3878 (maybe_print_line): Similarly.
3879 (print_line): Similarly. Deduce flags 1 and 2 here.
3880 (cb_file_change): Update.
3881 * line-map.c (free_line_maps): Warn regardless.
3882 (add_line_map): Return pointer to const. When passed NULL to_file
3883 with LC_LEAVE, use the obvious values for the return point so the
3884 caller doesn't have to figure them out.
3885 (lookup_line): Return pointer to const.
3886 (print_containing_files): Take pointer to const.
3887 * line-map.h (struct line_map): New members reason, sysp.
3888 (add_line_map): Return pointer to const.
3889 (lookup_line): Similarly.
3890 (print_containing_files): Take pointer to const.
3892 2001-08-10 Roman Zippel <zippel@linux-m68k.org>
3893 Richard Henderson <rth@redhat.com>
3895 * regmove.c (regmove_optimize): Avoid setting a register twice in
3898 2001-08-10 Richard Henderson <rth@redhat.com>
3900 * doc/extend.texi (Arrays and pointers implementation): Document
3901 behavior of pointer/integer conversion.
3903 2001-08-10 Ulrich Weigand <uweigand@de.ibm.com>
3905 * glimits.h (__LONG_MAX__): Add s390x as 64-bit architecture.
3907 2001-08-10 Richard Henderson <rth@redhat.com>
3909 * doc/extend.texi (C Implementation): New chapter.
3910 * doc/gcc.texi (Top): Link it in.
3912 2001-08-10 Andrew Cagney <ac131313@redhat.com>
3914 * doc/install.texi (Specific): Fix CVS merge botch.
3916 2001-08-10 Richard Henderson <rth@redhat.com>
3918 * config/m68k/m68k.c (m68k_svr3_asm_out_constructor): Protect with
3919 ifdef CTOR_LIST_BEGIN instead of INIT_SECTION_ASM_OP.
3921 2001-08-10 Zack Weinberg <zackw@stanford.edu>
3923 * calls.c, function.c: Always define PREFERRED_STACK_BOUNDARY
3924 if not already defined. Remove all #ifdefs on STACK_BOUNDARY;
3925 this macro is now required.
3927 * cselib.c (cselib_process_insn), flow.c (propagate_block),
3928 loop.c (find_and_verify_loops), reload.c (reload): Check
3929 for rtx code of CALL_INSN, not CALL, when deciding if we
3930 need to check for REG_SETJMP note.
3932 * gcse.c (compute_hash_table, compute_store_table): Update
3933 the #ifdef NON_SAVING_SETJMP code to the new REG_SETJMP
3936 * config/avr/avr.c: Fix typo.
3937 * config/convex/convex.c (expand_movstr): Use adjust_address.
3938 * config/dsp16xx/dsp16xx.c: Define dsp16xx_compare_gen
3940 * config/dsp16xx/dsp16xx.md: Correct calls to replace_equiv_address.
3941 * config/elxsi/elxsi.c: Include tree.h, expr.h, regs.h, and flags.h.
3943 * config/elxsi/elxsi.h: Don't define Rmode (typo for Pmode?)
3944 Do define STACK_BOUNDARY.
3945 * config/i370/i370.c: Include expr.h.
3946 * config/i860/sysv3.h, config/i860/sysv4.h, config/m32r/m32r.h,
3947 config/pa/som.h, config/v850/v850.h: Take in_ctors and
3948 in_dtors out of EXTRA_SECTIONS; take CTORS_SECTION_FUNCTION
3949 and DTORS_SECTION_FUNCTION out of EXTRA_SECTION_FUNCTIONS.
3950 * config/m88k/m88k.c: Include c-tree.h after expr.h.
3951 * config/pdp11/pdp11.c: Include expr.h and toplev.h.
3952 * config/romp/romp.c: Include expr.h after tree.h.
3954 (output_fpop): Use xmalloc, not oballoc.
3955 * config/we32k/we32k.c: Include expr.h.
3957 2001-08-10 Kazu Hirata <kazu@hxi.com>
3959 * config/h8300/h8300.h: Fix formatting.
3961 2001-08-08 Jason Merrill <jason_merrill@redhat.com>
3963 * c-common.h (RETURN_NULLIFIED_P): Lose.
3964 * c-semantics.c (genrtl_return_stmt): Don't check it.
3966 2001-08-10 Richard Sandiford <rsandifo@redhat.com>
3968 * config/mips/mips.c (mips_add_large_offset_to_sp): New function.
3969 (mips_annotate_frame_insn): New function.
3970 (mips_emit_frame_related_store): New function.
3971 (save_restore_insns): Don't mark instructions that set up the base
3972 registers as frame-related. Add REG_FRAME_RELATED_EXPR notes to
3973 the store instructions instead.
3974 (mips_expand_prologue): If the stack size is moved into a temporary
3975 register, do not mark that move as frame-related. Add a
3976 REG_FRAME_RELATED_EXPR note to the stack adjustment instruction.
3978 2001-08-10 Richard Sandiford <rsandifo@redhat.com>
3980 * config/mips/mips.c (save_restore_insns): Don't mark the RA's
3981 stack slot as unchanging if current_function_calls_eh_return.
3983 2001-08-10 Richard Sandiford <rsandifo@redhat.com>
3985 * config/mips/mips.md (reload_incc): Use HARD_REGNO_NREGS to
3986 access the second half of the TFmode scratch operand.
3988 2001-08-10 Anthony Green <green@redhat.com>
3990 * java/class.c (emit_register_classes): Conditionalize code on
3993 2001-08-10 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3995 * doc/install.texi (Specific, avr): Fix cross-reference to the
3996 main manual to work both for info and HTML versions.
3998 2001-08-09 John David Anglin <dave@hiauly1.hia.nrc.ca>
4000 * stmt.c (expand_null_return_1): Remove code to generate simple returns
4001 and "use_goto" argument.
4002 (expand_null_return, expand_value_return): Update all callers.
4003 * function.c (expand_function_end): Remove code to generate simple
4005 * config/vax/vax.md (epilogue): New expander for function return.
4006 * doc/md.texi (epilogue): Remove "if defined".
4008 2001-08-09 Zack Weinberg <zackw@stanford.edu>
4010 * Makefile.in: Partially revert my previous change:
4011 put -DGENERATOR_FILE back in HOST_CFLAGS, take it out
4012 of the hashtab.o and safe-ctype.o rules.
4014 2001-08-09 Richard Henderson <rth@redhat.com>
4016 * Makefile.in (MAYBE_USE_COLLECT2): Remove; purge all uses.
4017 (USE_COLLECT2): Remove duplicate definition.
4018 * config.gcc (a29k-udi, a29k-wrs-vxworks) [tm_file]: Remove a29k/udi.h.
4019 (use_collect2): Remove dead code.
4020 * configure.in (use_collect2): Remove will_use_collect2 and
4021 maybe_use_collect2; add USE_COLLECT2 to host_xm_defines and xm_defines.
4022 * configure: Rebuild.
4024 * target.h (targetm.asm_out.constructor): New.
4025 (targetm.asm_out.destructor, targetm.have_ctors_dtors): New.
4026 * target-def.h (TARGET_ASM_CONSTRUCTOR): New.
4027 (TARGET_ASM_DESTRUCTOR, TARGET_HAVE_CTORS_DTORS): New.
4028 * varasm.c (in_ctors, in_dtors): New.
4029 (assemble_constructor, assemble_destructor): Remove.
4030 (default_stabs_asm_out_destructor): New.
4031 (default_named_section_asm_out_destructor): New.
4032 (dtors_section, default_dtor_section_asm_out_destructor): New.
4033 (default_stabs_asm_out_constructor): New.
4034 (default_named_section_asm_out_constructor): New.
4035 (ctors_section, default_ctor_section_asm_out_constructor): New.
4036 * output.h: Update declarations.
4037 * c-decl.c (c_expand_body): Use target hooks instead of
4038 assemble_constructor and assemble_destructor.
4039 * profile.c (output_func_start_profiler): Likewise.
4040 * objc/objc-act.c (finish_objc): Likewise.
4041 (build_module_descriptor): Tidy. Set TREE_PUBLIC properly
4042 for the constructor.
4043 * objc/Make-lang.in (objc-act.o): Depend on TARGET_H.
4045 * crtstuff.c (CTORS_SECTION_ASM_OP): Don't define.
4046 (DTORS_SECTION_ASM_OP): Likewise.
4047 (__CTOR_LIST__): Use attribute section when possible.
4048 (__DTOR_LIST__, __CTOR_END__, __DTOR_END__): Likewise.
4050 * defaults.h (EH_FRAME_SECTION_NAME): Don't depend on
4051 ASM_OUTPUT_CONSTRUCTOR.
4053 * config/darwin.c (machopic_asm_out_constructor): New.
4054 (machopic_asm_out_destructor): New.
4055 * config/darwin-protos.h: Update declarations.
4056 * config/darwin.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
4057 (ASM_OUTPUT_DESTRUCTOR): Remove.
4058 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
4059 * config/nextstep.c (nextstep_asm_out_constructor): New.
4060 (nextstep_asm_out_destructor): New.
4061 * config/nextstep.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
4062 (ASM_OUTPUT_DESTRUCTOR): Remove.
4063 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
4064 * config/nextstep21.h: Undef TARGET_ASM_*STRUCTOR instead of
4065 ASM_OUTPUT_*STRUCTOR.
4066 * config/i386/aix386ng.h: Likewise.
4068 * config/elfos.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP): Remove.
4069 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): No ctors/dtors.
4070 (CTORS_SECTION_FUNCTION, DTORS_SECTION_FUNCTION): Remove.
4071 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
4072 * config/lynx.h: Likewise.
4073 * config/netware.h: Likewise.
4074 * config/psos.h: Likewise.
4075 * config/alpha/alpha-interix.h: Likewise.
4076 * config/alpha/elf.h: Likewise.
4077 * config/arc/arc.h: Likewise.
4078 * config/arm/aof.h: Likewise.
4079 * config/arm/coff.h: Likewise.
4080 * config/arm/elf.h: Likewise.
4081 * config/c4x/c4x.h: Likewise.
4082 * config/h8300/h8300.h: Likewise.
4083 * config/i386/cygwin.h: Likewise.
4084 * config/i386/djgpp.h: Likewise.
4085 * config/i386/i386-coff.h: Likewise.
4086 * config/i386/i386-interix.h: Likewise.
4087 * config/i386/sco5.h: Likewise.
4088 * config/i386/vsta.h: Likewise.
4089 * config/i386/win32.h: Likewise.
4090 * config/i960/i960-coff.h: Likewise.
4091 * config/ia64/sysv4.h: Likewise.
4092 * config/m68hc11/m68hc11.h: Likewise.
4093 * config/m68k/coff.h: Likewise.
4094 * config/m68k/mot3300.h: Likewise.
4095 * config/m88k/m88k.h: Likewise.
4096 * config/mcore/mcore-pe.h: Likewise.
4097 * config/mcore/mcore.h: Likewise.
4098 * config/mips/elf.h: Likewise.
4099 * config/mips/elf64.h: Likewise.
4100 * config/mips/iris6.h: Likewise.
4101 * config/pa/pa64-hpux.h: Likewise.
4102 * config/rs6000/sysv4.h: Likewise.
4103 * config/sh/sh.h: Likewise.
4104 * config/sparc/litecoff.h: Likewise.
4106 * config/svr3.h (CTORS_SECTION_ASM_OP): Remove.
4107 (CTORS_SECTION_FUNCTION, DTORS_SECTION_FUNCTION): Remove.
4108 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
4109 * config/1750a/1750a.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
4110 (ASM_OUTPUT_DESTRUCTOR): Remove.
4111 * config/a29k/a29k.c: Move include of tree.h.
4112 * config/a29k/udi.h: Delete file.
4113 * config/alpha/alpha.c (vms_asm_out_constructor): New.
4114 (vms_asm_out_destructor): New.
4115 * config/alpha/vms.h (EXTRA_SECTIONS): No ctors/dtors.
4116 (EXTRA_SECTION_FUNCTIONS): Likewise.
4117 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
4118 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
4119 * config/c4x/c4x.c: Move include of tree.h.
4120 * config/clipper/clipper.c (clix_asm_out_constructor): New.
4121 (clix_asm_out_destructor): New.
4122 * config/clipper/clix.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
4123 (ASM_OUTPUT_DESTRUCTOR): Remove.
4124 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
4125 * config/i386/aix386.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
4126 (TARGET_ASM_CONSTRUCTOR): New.
4127 * config/i386/i386.c (ix86_svr3_asm_out_constructor): New.
4128 (sco_asm_out_constructor): New.
4129 * config/i386/sco5.h (TARGET_ASM_CONSTRUCTOR): New.
4130 * config/i386/svr3gas.h: Remove stack grows up code.
4131 Remove code duplicated from i386/sysv3.h.
4132 (TARGET_ASM_CONSTRUCTOR): New.
4133 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
4134 (DTORS_SECTION_FUNCTION, CTORS_SECTION_FUNCTION): Remove.
4135 * config/i386/sysv3.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
4136 (TARGET_ASM_CONSTRUCTOR): New.
4137 * config/m68hc11/m68hc11.c (m68hc11_asm_out_constructor): New.
4138 (m68hc11_asm_out_destructor): New.
4139 * config/m68hc11/m68hc11.h (TARGET_ASM_CONSTRUCTOR): New.
4140 (TARGET_ASM_DESTRUCTOR): New.
4141 * config/m68k/auxgas.h: Don't undef ASM_OUTPUT_*STRUCTOR.
4142 * config/m68k/dpx2.h: Properly undef all the bits inherited from
4143 config/svr3.h pertaining to section manipulation.
4144 * config/m68k/dpx2g.h: Remove #if 0 code.
4145 * config/m68k/m68k.c (m68k_svr3_asm_out_constructor): New.
4146 * config/m68k/tower-as.h (ASM_OUTPUT_SOURCE_LINE): Fix typo.
4147 (ASM_OUTPUT_CONSTRUCTOR): Remove.
4148 (TARGET_ASM_CONSTRUCTOR): New.
4149 * config/m88k/m88k.c (m88k_layout_frame): Don't use assign_stack_local.
4150 (m88k_svr3_asm_out_constructor): New.
4151 (m88k_svr3_asm_out_destructor): New.
4152 * config/m88k/sysv3.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
4153 (ASM_OUTPUT_DESTRUCTOR): Remove.
4154 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
4155 * config/mips/mips.h: Remove #if 0 ASM_OUTPUT_*STRUCTOR code.
4156 * config/rs6000/aix.h: Likewise.
4157 * config/mips/rtems64.h: Don't undef removed constructor related bits.
4158 * config/mips/vxworks.h: Likewise.
4159 * config/rs6000/lynx.h: Likewise.
4160 * config/sh/elf.h: Likewise.
4161 * config/rs6000/sysv4.h (CTORS_SECTION_ASM_OP): New.
4162 (DTORS_SECTION_ASM_OP): New.
4163 * config/sparc/linux64.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
4164 (ASM_OUTPUT_DESTRUCTOR): Remove.
4165 * config/sparc/sol2-sld-64.h: Likewise.
4166 * config/vax/vax.c (vms_asm_out_constructor): New.
4167 (vms_asm_out_destructor): New.
4168 * config/vax/vms.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
4169 (ASM_OUTPUT_DESTRUCTOR): Remove.
4170 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
4172 * doc/tm.texi (@node Initialization): Update.
4174 2001-08-09 Richard Henderson <rth@redhat.com>
4176 * config/alpha/crtbegin.asm (__JCR_LIST__): New.
4177 (__do_global_dtors_aux): Use gp-relative static data to avoid
4178 one dynamic relocation.
4179 (__do_frame_setup): Register Java classes.
4180 * config/alpha/crtend.asm (__JCR_END__): New.
4182 2001-08-09 Zack Weinberg <zackw@stanford.edu>
4184 * Makefile.in (HOST_CFLAGS): Take out -DGENERATOR_FILE.
4185 (CONFIG_H, TCONFIG_H, TM_P_H): Update.
4186 (GEN, STAGESTUFF): Add new files.
4187 (insn-constants.h, s-constants, tm-preds.h, s-preds,
4188 genconstants, genpreds, genconstants.o, genpreds.o): New rules.
4189 (hashtab.o, safe-ctype.o): Add -DGENERATOR_FILE.
4190 * mkconfig.sh: Include tm-preds.h in tm_p.h; insn-constants.h
4191 as well as insn-codes.h and insn-flags.h in config.h; and no
4192 extra headers in tconfig.h and hconfig.h.
4194 * gencodes.c: Eliminate code to generate predicate declarations
4195 or #defines for md-file constants.
4196 * genconstants.c, genpreds.c: New files.
4198 * i386.md: Re-order guard expressions such that TARGET_64BIT
4199 comes first, when this permits better optimization. Add
4200 TARGET_64BIT to more x86-64 patterns. Add comment explaining
4201 why this is desirable.
4203 2001-08-09 Jakub Jelinek <jakub@redhat.com>
4205 * config/ia64/fde-glibc.c: Require glibc 2.2.4+ headers.
4206 (find_fde_for_dso): Remove.
4207 (_Unwind_IteratePhdrCallback): New.
4208 (_Unwind_FindTableEntry): Use dl_iterate_phdr.
4209 * config/ia64/crtbegin.asm (__ia64_app_header): Remove.
4211 Thu Aug 9 11:30:20 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4213 * expr.c (emit_single_push_insn): Only exists ifdef PUSH_ROUNDING.
4214 (move_by_pieces_1): If would call it, abort if no PUSH_ROUNDING.
4216 2001-08-09 Graham Stott <grahams@redhat.com>
4218 * sched-vis.c (MAX_VISUAL_NO_UNIT): Define.
4219 (vis_no_unit): Use it.
4220 (visualize_no_unit): Add the insn only if room exists.
4222 2001-08-09 Graham Stott <grahams@redhat.com>
4224 * predict.c (estimate_probability): Replace magic numbers with
4225 appropriate enumeration.
4227 2001-08-09 Graham Stott <grahams@redhat.com>
4229 * cppexp.c (EXTRACT_PRIO): Uppercase and parenthsize macro
4231 (EXTRACT_FLAGS): Likewise.
4233 2001-08-09 Aldy Hernandez <aldyh@redhat.com>
4235 * config/mips/mips.c (mips_legitimate_address_p): Check for
4236 CONST_INT in last patch.
4238 2001-08-08 Anthony Green <green@redhat.com>
4240 * java/class.c (emit_register_classes): Use assemble_jcr if
4241 possible. Keep the original mechanism as a fallback.
4242 * defaults.h (JCR_SECTION_NAME): Define if we have named section
4243 and weak symbol support.
4244 * crtstuff.c (__JCR_LIST__): Define.
4245 (__JCR_END__): Define.
4246 (_Jv_RegiserClasses): Define weak symbol if possible.
4247 (__do_global_ctors_aux): Register classes for ELF targets with
4248 weak symbol support.
4250 2001-08-08 Kazu Hirata <kazu@hxi.com>
4252 * dbxout.c: Fix comment formatting.
4253 * dependence.c: Likewise.
4255 * diagnostic.c: Likewise.
4256 * dominance.c: Likewise.
4257 * doprint.c: Likewise.
4258 * dwarf2out.c: Likewise.
4259 * dwarfout.c: Likewise.
4260 * emit-rtl.c: Likewise.
4261 * except.c: Likewise.
4262 * explow.c: Likewise.
4263 * expmed.c: Likewise.
4266 * fold-const.c: Likewise.
4267 * function.c: Likewise.
4269 2001-08-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4271 * global.c (retry_global_alloc): Avoid shadowing allocno.
4273 2001-08-08 Mark Mitchell <mark@codesourcery.com>
4275 * except.c (remove_fixup_regions): Fix typo.
4277 2001-08-08 Jan van Male <jan.vanmale@fenk.wau.nl>
4279 * emit-rtl.c (adjust_address, adjust_address_nv): Cast offset to
4280 unsigned HOST_WIDE_INT to avoid warning.
4281 * final.c (final): Cast INSN_UID to unsigned to avoid warning.
4282 * flow.c (set_block_for_new_insns): Likewise.
4284 Wed Aug 8 21:08:14 CEST 2001 Jan Hubicka <jh@suse.cz>
4286 * sibcall.c (return_value_pseudo): New static variable.
4287 (skip_copy_to_return_value): Handle return_value_pseudo.
4288 (call_ends_block_p): Ensure that return_value_pseudo is set.
4289 (optimize_sibling_and_tail_recursive_call): Discover the
4290 load of pseudo return value in alternate exit block.
4292 Wed Aug 8 21:06:43 CEST 2001 Jan Hubicka <jh@suse.cz>
4294 * calls.c (ECF_ALWAYS_RETURN): New constant.
4295 (emit_call_1): Add REG_ALWAYS_RETURN note if needed.
4296 (expand_call): Use LCF_ALWAYS_RETURN for __bb_fork_func.
4297 (emit_library_call_value_1): Handle LCT_ALWAYS_RETRUN.
4298 * flow.c (need_fake_edge_p): Handle REG_ALWAYS_RETURN.
4299 * rtl.c (reg_note_name): New name.
4300 * rtl.h (enum reg_note): Add REG_ALWAYS_RETURN.
4302 2001-08-07 Aldy Hernandez <aldyh@redhat.com>
4304 * config/mips/mips.c (mips_legitimate_address_p): Limit "la" addresses.
4306 2001-08-08 Jason Merrill <jason_merrill@redhat.com>
4308 * alias.c (get_alias_set): Return a previously calculated
4309 alias set for a VAR_DECL.
4310 * function.c (gen_mem_addressof): Calculate the alias set before
4313 Wed Aug 8 18:44:37 CEST 2001 Jan Hubicka <jh@suse.cz>
4315 * predict.def: Set hitrates according our experimental run.
4317 Wed Aug 8 18:01:58 CEST 2001 Jan Hubicka <jh@suse.cz>
4319 * i386.h (HARD_REGNO_RENAME_OK): New macro.
4321 2001-08-08 H.J. Lu <hjl@gnu.org>
4323 * config/mips/mips.c (mips_unique_section): New. Copied from
4326 * config/mips/mips-protos.h (mips_unique_section): New
4329 * config/mips/elf.h (UNIQUE_SECTION): Use mips_unique_section.
4331 * config/mips/little.h: New. Generic little endian mips
4332 targets. Only mips*-*-linux* is converted to use it so far.
4334 * config/mips/linux.h: Include "gofast.h" and "mips/mips.h".
4335 (WCHAR_TYPE): Defined
4336 (WCHAR_TYPE_SIZE): Likewise.
4337 (INIT_SUBTARGET_OPTABS): Likewise.
4338 (BSS_SECTION_ASM_OP): Likewise.
4339 (SBSS_SECTION_ASM_OP): Likewise.
4340 (ASM_OUTPUT_ALIGNED_BSS): Likewise.
4341 (ASM_DECLARE_OBJECT_NAME): Likewise.
4342 (UNIQUE_SECTION): Likewise.
4343 (EXTRA_SECTIONS): Likewise.
4344 (ASM_OUTPUT_CONSTRUCTOR): Likewise.
4345 (ASM_OUTPUT_DESTRUCTOR): Likewise.
4346 (ASM_OUTPUT_DEF): Likewise.
4347 (HANDLE_SYSV_PRAGMA): Removed.
4348 (NO_IMPLICIT_EXTERN_C): Likewise.
4349 (TARGET_MEM_FUNCTIONS): Likewise.
4350 (STARTFILE_SPEC): Likewise.
4351 (ENDFILE_SPEC): Likewise.
4352 (LIB_SPEC): Likewise.
4353 (INVOKE__main): Likewise.
4354 (CTOR_LIST_BEGIN): Likewise.
4355 (CTOR_LIST_END): Likewise.
4356 (DTOR_LIST_BEGIN): Likewise.
4357 (DTOR_LIST_END): Likewise.
4358 (SET_ASM_OP): Likewise.
4359 (ASM_OUTPUT_SOURCE_LINE): Likewise.
4360 (ASM_OUTPUT_DEF): Likewise.
4361 (ASM_OUTPUT_IDENT): Likewise.
4363 * config/mips/mips.h (ASM_SPEC): Undefine before define.
4364 (CPLUSPLUS_CPP_SPEC): Likewise.
4365 (ASM_APP_ON) Redefine only if not defined.
4366 (ASM_APP_OFF): Likewise.
4367 (ASM_OUTPUT_SOURCE_LINE): Likewise.
4368 (ASM_OUTPUT_IDENT): Likewise.
4370 * config.gcc: Update tm_file for Linux/mips.
4372 2001-08-08 Bernd Schmidt <bernds@redhat.com>
4374 * cselib.c (cselib_record_sets): If insn is predicated, turn
4375 sources into IF_THEN_ELSEs.
4377 * config/ia64/ia64.md (cond_opsi2_internal, cond_opsi2_internal_b):
4378 Turn into define_insn_and_split.
4380 * sched-deps.c: Include "cselib.h".
4381 (add_insn_mem_dependence, sched_analyze_1, sched_analyze_2):
4382 Use cselib to turn memory addresses into VALUEs.
4383 (sched_analyze): Call cselib_init/cselib_finish if necessary.
4384 * sched-int.h (struct sched_info): New member USE_CSELIB.
4385 * sched-ebb.c (ebb_sched_info): Initialize it.
4386 * sched-rgn.c (rgn_sched_info): Likewise.
4387 * Makefile.in (sched-deps.o): Update dependencies.
4389 * cselib.h (cselib_subst_to_values): Declare.
4390 * cselib.c (cselib_subst_to_values): No longer static. Allow MEMs
4391 that have no value and autoincs to be handled by generating a new
4394 2001-08-08 Graham Stott <grahams@redhat.com>
4396 * final.c (shorten_branches): Update the INSN_ADDRESSES of insns
4397 within fixed length SEQUENCE.
4399 2001-08-08 Graham Stott <grahams@redhat.com>
4401 * diagnostic.h (diagnostic_format_decoder): Parenthesize macro parameter.
4402 (diagnostic_prefixing_rule): Likewise.
4403 (diagnostic_line_cutoff): Likewise.
4404 (diagnostic_kind_count): Likewise.
4406 2001-08-08 Graham Stott <grahams@redhat.com>
4408 * alias.c (find_base_decl): Delete redundent assignment.
4410 2001-08-08 Graham Stott <grahams@redhat.com>
4412 * dependence.c (INDEX_LIMIT_CHECK): Uppercase macro parameter.
4413 (abs): Uppercase and paranthesize macro parameter.
4414 (MEM_DEPENDENCY): Add whitespace.
4416 2001-08-08 Graham Stott <grahams@redhat.com>
4418 * config/mips/mips.c (mips_legitimate_address_p): Fix enable checking
4419 failure check for CONST_INT
4421 2001-08-08 Graham Stott <grahams@redhat.com>
4423 * flow.c (back_edge_of_syntactic_loop_p): Add whitespace.
4424 (libcall_dead_p): Likewise.
4426 (mark_used_regs): Constify fmt.
4427 (find_use_as_address): Likewise.
4429 2001-08-08 Graham Stott <grahams@redhat.com>
4431 * c-typeck.c (RESTORE_SPELLING_DEPTH): Uppercase and parenthesize macro
4434 2001-08-08 Graham Stott <grahams@redhat.com>
4436 * combine.c (combine_simplify_rtx): Update comment and
4437 remove erroneous test.
4439 2001-08-07 Neil Booth <neil@daikokuya.demon.co.uk>
4441 * cppinit.c (cpp_finish): Pop the final buffer without comment.
4442 * cpplex.c (_cpp_lex_token): Don't pop the final buffer; and
4443 take care to avoid multiple no-newline at EOF warnings in that
4446 Tue Aug 7 22:18:06 CEST 2001 Jan Hubicka <jh@suse.cz>
4448 * calls.c (expand_call): Do not emit INSN_SETJMP note.
4449 (emit_library_call_value_1): Likewise.
4450 (emit_call_1): Emit REG_SETJMP note.
4451 * cse.c (cse_end_of_basic_block): Use REG_SETJMP instead
4453 * cselib.c (cselib_process_insn): Likewise.
4454 * flow.c (propagate_block): Likewise.
4455 * loop.c (find_and_verify_loops): Likewise.
4456 * reload.c (find_equiv_regs): Likewise.
4457 * reload1.c (reload): Likewise.
4458 * resource.c (mark_referenced_resources,
4459 mark_set_resources): Likewise.
4460 * sched-deps (sched_analyze_insn, sched_analyze): Likewise.
4461 * final.c (final_scan_insn): Remove NOTE_INSN_SETJMP.
4462 * haifa-sched.c (unlink_other_notes): Likewise.
4463 (reemit_notes): Likewise.
4464 * sched-ebb.c (sched_ebb): Likewise.
4465 * sched-rgc.c (sched_region): Likewise.
4466 * rtl.c (note_insn_name): Likewise.
4467 (reg_note_name): Add REG_SETJMP
4468 * rtl.h (reg_note): Add REG_SETJMP.
4469 (insn_note): Remove NOTE_INSN_SETJMP.
4471 * profile.c (branch_prob): Add fake edges for setjmp.
4473 2001-08-07 Daniel Jacobowitz <drow@mvista.com>
4475 * config.gcc: Quote target_cpu_default2 correctly for
4476 powerpc*-*-* targets.
4478 2001-08-07 Neil Booth <neil@daikokuya.demon.co.uk>
4480 * cpplib.h, line-map.h: Update comments.
4481 * cppmain.c (printer_init): Move inline.
4482 (maybe_print_line, print_line): Take a map pointer.
4483 (cb_ident, cb_define, cb_undef, cb_include, cb_def_pragma): Update.
4484 (cb_file_change): Don't use prior value of print.map.
4486 2001-08-07 David Edelsohn <edelsohn@gnu.org>
4488 * doc/install.texi: Document fine-grained multilib configuration.
4490 Tue Aug 7 16:52:54 CEST 2001 Jan Hubicka <jh@suse.cz>
4492 * rtlanal.c (find_first_parameter_load): Call note_stores
4493 only on the instructions.
4495 Tue Aug 7 14:56:16 CEST 2001 Jan Hubicka <jh@suse.cz>
4497 * alias.c (nonlocal_mentioned_p):
4498 Rename CONST_CALL_P to CONST_OR_PURE_CALL_P
4499 * calls.c (emit_call_1): Likewise.
4500 * cse.c (cse_insn, invalidate_skipped_block): Likewise.
4501 * cselib.c (cselib_process_insn): Likewise.
4502 * df.c (df_insns_modify): Likewise.
4503 * flow.c (need_fake_edge_p): Likewise.
4504 (propagate_one_insn): Likewise.
4505 * haifa-sched.c (reemit_notes): Likewise.
4506 * integrate.c (copy_insn_list): Likewise.
4507 * jump.c (delete_prior_computation): Likewise.
4508 * local-alloc.c (validate_equiv_mem): Likewise.
4509 * loop.c (scan_loop): Likewise.
4510 * predict.c (estimate_probability): Likewise.
4511 * reload.c (reload): Likewise.
4512 * sched-deps (sched_analyze): Likewise.
4513 * rtl.h (CONST_CALL_P): rename to CONST_OR_PURE_CALL_P.
4514 * gcse.c (compute_hash_table): Likewise.
4515 (mark_call): Likewise.
4516 (store_killed_in_insn): Likewise.
4518 2001-08-07 Jason Merrill <jason_merrill@redhat.com>
4520 * c-semantics.c (make_rtl_for_local_static): Use DECL_RTL_SET_P.
4522 2001-08-06 Richard Henderson <rth@redhat.com>
4524 * varasm.c (assemble_gc_entry): Remove.
4525 * output.h: Likewise.
4527 2001-08-06 Richard Henderson <rth@redhat.com>
4529 * varasm.c (assemble_constructor): Take a symbol_ref and a
4530 priority instead of a bare string. Move priority handling
4531 here from cp/decl2.c.
4532 * output.h: Update decls.
4534 * c-decl.c (c_expand_body): Update calls to assemble_constructor
4535 and assemble_destructor.
4536 * profile.c (output_func_start_profiler): Likewise.
4537 * objc/objc-act.c (finish_objc): Likewise.
4538 (build_module_descriptor): Return the symbol not the symbol name.
4540 2001-08-06 David Edelsohn <edelsohn@gnu.org>
4542 * config/rs6000/darwin.h (DOUBLE_INT_ASM_OP): Add whitespace.
4543 * config/rs6000/linux64.h (RS6000_MCOUNT): Define.
4544 ({SAVE,RESTORE}_FP_{PREFFIX,SUFFIX}): Define.
4545 * config/rs6000/rs6000.h (ASM_OUTPUT_DOUBLE_INT): Remove whitespace.
4546 * config/rs6000/sysv4.h (DOUBLE_INT_ASM_OP): Add whitespace.
4547 * config/rs6000/xcoff.h (DOUBLE_INT_ASM_OP): Add whitespace.
4549 2001-08-06 Neil Booth <neil@daikokuya.demon.co.uk>
4551 * cpperror.c (print_containing_files): Moved to line-map.c.
4552 (print_location): line-map.c handles re-listing or otherwise.
4553 * cpphash.h (struct lexer_state): Remove next_bol.
4554 (struct cpp_buffer): Remove include_stack_listed.
4555 * cpplib.c (do_line, cpp_push_buffer, _cpp_pop_buffer):
4556 Remove faked buffer handling.
4557 (_cpp_do_file_change): Tweak.
4558 * cpplib.h (enum cpp_buffer_type): Remove BUF_FAKE.
4559 * cppmain.c (struct printer): Remove filename.
4560 (print_line, cb_file_change): Update accordingly.
4561 * line-map.c: Include intl.h.
4562 (init_line_maps): Initialize last_listed.
4563 (free_line_maps): Sanity check, warn if ENABLED_CHECKING.
4564 (add_line_map): Sanity check inputs, warn if ENABLED_CHECKING.
4565 (print_containing_files): New.
4566 * line-map.h (struct line_maps): New member last_listed.
4567 (print_containing_files, INCLUDED_FROM): New.
4568 * Makefile.in: Update.
4569 * po/POTFILES.in: Add line-map.c.
4571 2001-08-06 Richard Henderson <rth@redhat.com>
4573 * except.c (convert_from_eh_region_ranges_1): Never mark
4574 USE or CLOBBER insns as throwing.
4576 * expr.c (store_constructor): Don't clobber memory targets.
4578 2001-08-06 Andreas Jaeger <aj@suse.de>
4580 * profile.c (branch_prob): Remove unused variable insn.
4582 * Makefile.in (local-alloc.o): Add dependency on except.h.
4584 * local-alloc.c: Include except.h for can_throw_internal prototype.
4586 2001-08-06 Richard Henderson <rth@redhat.com>
4588 * config/i386/i386.h (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
4589 * function.c (expand_main_function): Implement it.
4590 * doc/tm.texi: Document it.
4592 2001-08-06 Stan Shebs <shebs@apple.com>
4594 * doc/install.texi: Document powerpc-*-darwin* details.
4596 2001-08-06 Daniel Berlin <dan@cgsoftware.com>
4598 * config/rs6000/aix.h (CPP_CPU_SPEC): Move back to rs6000.h
4599 (ASM_CPU_SPEC): Move back to rs6000.h
4600 #undef CPP_DEFAULT_SPEC and ASM_DEFAULT_SPEC before redefining them.
4602 * config/rs6000/darwin.h (DOUBLE_INT_ASM_OP): New macro.
4604 * config/rs6000/linux.h: Remove vtable thunks stuff we accidently
4607 * config/rs6000/linux64.h: Ditto.
4609 * config/rs6000/rs6000.h: Move CPP_CPU_SPEC and ASM_CPU_SPEC back
4610 to here. Define default ASM_DEFAULT_SPEC and CPP_DEFAULT SPEC to
4613 Remove accidently readded definitions of FUNCTION_PROLOGUE,
4614 FUNCTION_EPILOGUE, ASM_OPEN_PAREN, ASM_CLOSE_PAREN
4616 * config/rs6000/sysv4.h: Move CPP_CPU_SPEC and ASM_CPU_SPEC back
4619 2001-08-05 Richard Henderson <rth@redhat.com>
4621 * local-alloc.c (update_equiv_regs): Do not move insns that
4624 2001-08-05 Jan Hubicka <jh@suse.cz>
4626 * Makefile.in (reload1.o): Add dedendancy on except.h
4627 * basic-block.h (purge_all_dead_edges, purge_dead_edges): Update
4629 * flow.c (purge_dead_edges, purge_all_dead_edges): Return bool
4630 indicating wehther edges has been cleaned up.
4631 * reload1.c: Inlucde except.h
4632 (fixup_abnormal_edges): Accept deleted insns.
4633 * toplev.c (rest_of_compilation): Purge dead edges unconditionally
4636 2001-08-06 Neil Booth <neil@daikokuya.demon.co.uk>
4638 * cpplib.c (do_line): Correct line number after pop_buffer.
4640 2001-08-05 Neil Booth <neil@daikokuya.demon.co.uk>
4642 PR preprocessor/3824
4643 * line-map.c: Update comments.
4644 * line-map.h: Update comments.
4645 * tradcif.y: Don't consider large numbers unsigned.
4647 2001-08-05 Neil Booth <neil@daikokuya.demon.co.uk>
4649 PR preprocessor/3081
4650 * c-lex.c (map): New.
4651 (cb_file_change): Update map and use it.
4652 (cb_def_pragma, cb_define, cb_undef): Use map and line.
4653 (c_lex): Update to use map.
4654 * cpperror.c (print_location): Move to using logical line numbers.
4655 * cppfiles.c (stack_include_file): Update for new _cpp_do_file_change.
4656 (cpp_make_system_header): Similarly.
4657 (_cpp_execute_include): Stop line numbering hacks. Store the
4658 line we will return to.
4659 * cpphash.h (CPP_BUF_LINE): Remove.
4660 (struct cpp_buffer): Remove lineno and pseudo_newlines.
4661 Add map and return_to_line.
4662 (_cpp_do_file_change): Update.
4663 * cppinit.c (cpp_start_read): Update line kludge.
4664 * cpplex.c (handle_newline): Don't update lineno and pseudo_newlines.
4665 (trigraph_ok): Use logical line numbers for diagnostics.
4666 (skip_block_comment): Likewise.
4667 (skip_whitespace): Likewise.
4668 (skip_line_comment): Use pfile->line instead.
4669 (_cpp_lex_token): Update to use logical line numbering exclusively.
4670 Handle BOL locally. Accept new lines in directives, but keep
4671 pfile->line decremented. Diagnostics use logical lines. Update
4673 * cpplib.c (SEEN_EOL): New.
4674 (skip_rest_of_line, check_eol): Use it.
4675 (end_directive): Increase line number when accepting the newline
4676 at the end of a directive.
4677 (run_directive): Simplify.
4678 (do_line): Bad LC_LEAVEs become LC_RENAMEs. Update.
4679 (_cpp_do_file_change): Update to take buffer line number as an
4680 argument, and store the current map in the cpp_reader. Remove
4681 line number kludges.
4682 (_cpp_do__Pragma): Restore output position after a _Pragma.
4683 (cpp_push_buffer): Don't set output line or lineno.
4684 (_cpp_pop_buffer): Transfer more info from a faked buffer.
4685 Remove line kludge. Set output_line.
4686 * cppmacro.c (builtin_macro): Update handling of __LINE__.
4687 (parse_arg): Use logical lines.
4688 (save_lookahead_token): Save EOFs too now.
4689 * cppmain.c (struct printer): Fix comments.
4690 (printer_init): Simplify, let caller do errors.
4691 (scan_translation_unit, check_multiline_token, dump_macro): Update.
4692 (maybe_print_line): Simplify.
4693 (print_line): Don't print a linemarker if -P.
4694 (cb_define, cb_undef, cb_def_pragma, cb_ident, cb_include): Update.
4695 (cb_file_change): Simplify.
4696 * line-map.h (LAST_SOURCE_LINE): Fix.
4697 (CURRENT_LINE_MAP): New.
4699 2001-08-05 Bernd Schmidt <bernds@redhat.com>
4701 * doloop.c (doloop_modify_runtime): Properly compute number of
4702 iterations if loop was unrolled.
4704 * alias.c (rtx_equal_for_memref_p): VALUEs are only identical
4705 if their CSELIB_VAL_PTRs are.
4707 * config/ia64/ia64.c (struct spill_fill_data): New member prev_insn.
4708 (setup_spill_pointers): Initialize it.
4709 (spill_restore_mem): Set it.
4710 (do_spill, do_restore): Use it to add REG_INC note.
4711 * config/ia64/ia64.md (movti_internal): Add REG_INC notes as needed.
4713 * config/ia64/ia64.c (ia64_sched_reorder): Defer scheduling of
4714 asms if other insns are available.
4716 * config/ia64/ia64.c (condop_operator): New predicate.
4717 * config/ia64/ia64.h (PREDICATE_CODES): Add it.
4718 * config/ia64/ia64.md (cond_opsi2_internal and splitters): New
4721 * expr.c (expand_expr, case COND_EXPR): Prefer working with a
4722 temporary register than directly using a MEM.
4724 2001-08-04 Hans-Peter Nilsson <hp@bitrange.com>
4726 * config/sh/sh.c (sh_asm_named_section): Fix typo in align
4727 parameter in last change.
4729 2001-08-04 Zack Weinberg <zackw@panix.com>
4731 * sparc.md: Don't use #if inside C test expression.
4733 2001-08-04 Richard Henderson <rth@redhat.com>
4735 * i386.c: Revert 07-30 ix86_output_main_function_alignment_hack.
4737 2001-08-04 Neil Booth <neil@daikokuya.demon.co.uk>
4739 * cpphash.h (struct cpp_reader): New member directive_line.
4740 * cpplib.h (struct cpp_callbacks): Update prototypes of callbacks.
4741 * cpplib.c (do_define, do_undef, do_ident, do_include_common,
4742 do_pragma): Pass line to callbacks.
4743 (start_directive): Record line of directive.
4744 * cppmain.c (cb_ident, cb_define, cb_undef, cb_def_pragma,
4745 cb_include): Similarly.
4746 * c-lex.c (cb_ident, cb_define, cb_undef, cb_def_pragma):
4749 2001-08-04 Hans-Peter Nilsson <hp@bitrange.com>
4751 * config/d30v/d30v.h: Fix typo in start of UNIQUE_SECTION
4754 Sat Aug 4 13:51:36 CEST 2001 Jan Hubicka <jh@suse.cz>
4756 * loop.c (try_copy_prop); Kill invalidated REG_EQUAL notes.
4758 * reload1.c (fixup_abnormal_edges): New static function.
4761 * flow.c (need_fake_edge_p): New function.
4762 (flow_call_edges_add): Fix handling of noreturn and sibbling calls;
4763 avoid call insn to be very last insn in the insn stream.
4765 * profile.c (branch_prob): Call flow_call_edges_add instead of
4766 doing that by hand; cleanup cfg to re-merge basic blocks once
4769 2001-08-04 Neil Booth <neil@cat.daikokuya.demon.co.uk>
4771 * Makefile.in (CPPLIB_H): New, so that dependencies on cpplib.h
4772 are also on line-map.h.
4773 * cppfiles.c (stack_include_file): Update.
4774 * cpphash.h (struct cpp_buffer): New member return_at_eof.
4775 (_cpp_pop_buffer): New.
4776 * cppinit.c (cpp_destroy, cpp_finish): Update.
4777 (do_includes): Mark each buffer to return at EOF.
4778 * cpplex.c (_cpp_lex_token): Pop buffers at EOF. Continue or
4779 return as requested.
4780 * cpplib.c (run_directive, do_line, cpp_push_buffer): Update.
4781 (cpp_pop_buffer): Rename _cpp_pop_buffer. Stop skipping.
4782 * cpplib.h (cpp_pop_buffer): Remove.
4783 (cpp_scan_buffer_nooutput): Rename cpp_scan_nooutput.
4784 * cppmacro.c (cpp_scan_buffer_nooutput): Similarly. No need to pop
4786 * cppmain.c (scan_buffer): Rename scan_translation_unit. No need
4788 (do_preprocessing): Update.
4789 * fix-header.c (read_scan_file): Update. No need to pop buffers.
4790 * c-parse.in (_yylex): Similarly.
4791 * scan-decls.c (scan_decls): Similarly.
4792 * line-map.h: Update comments.
4794 * objc/Make-lang.in (objc-act.o): Update dependencies.
4796 2001-08-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4798 * config/m68hc11/m68hc11.md ("cmphi_1", "cmpqi_1"): Allow memory
4799 and soft register for operand 0.
4800 ("cmphi_z_used", "cmpqi_z_used"): Allow memory for operand 0.
4802 2001-08-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4804 * config/m68hc11/m68hc11.md ("bitcmpqi"): Allow memory and soft
4805 register for operand 0.
4806 ("bitcmpqi_z_used"): Allow memory for operand 0.
4807 (split "bitcmpqi"): New split to handle address reg as operand 1.
4809 2001-08-04 Andreas Jaeger <aj@suse.de>
4811 * gcse.c: Revert Daniel's last patch.
4813 2001-08-03 Zack Weinberg <zackw@stanford.edu>
4815 * sparc-protos.h: Add prototypes for fp_zero_operand and
4817 * sh-protos.h: Add prototype for fpul_operand.
4819 2001-08-04 Hans-Peter Nilsson <hp@bitrange.com>
4821 * doc/extend.texi (Other Builtins): Fix typo in last change.
4823 2001-08-03 Richard Henderson <rth@redhat.com>
4825 * target.h (gcc_target): Add asm_out.named_section,
4826 section_type_flags, have_named_sections.
4827 * target-def.h (TARGET_ASM_NAMED_SECTION): New.
4828 (TARGET_HAVE_NAMED_SECTIONS): New.
4829 (TARGET_SECTION_TYPE_FLAGS): New.
4831 * Makefile.in (toplev.o): Depend on TARGET_H.
4832 (varasm.o, dbxout.o): Likewise.
4833 * c-common.c (decl_attributes): Check targetm.have_named_sections
4834 instead of ifdef ASM_OUTPUT_SECTION_NAME.
4835 * dbxout.c (dbxout_function_decl): Likewise.
4836 (dbxout_function_end): Likewise.
4837 * toplev.c (compile_file): Likewise.
4838 * varasm.c (exception_section): Likewise.
4839 * cp/decl2.c (finish_objects): Likewise.
4841 * defaults.h (EH_FRAME_SECTION): Remove.
4842 (EH_FRAME_SECTION_ASM_OP): Remove.
4843 (EH_FRAME_SECTION_NAME): New.
4844 (UNIQUE_SECTION): Don't depend on ASM_OUTPUT_SECTION_NAME.
4845 (UNIQUE_SECTION_P): Remove.
4846 * dwarf2out.c (SECTION_FORMAT): Remove.
4847 (ASM_OUTPUT_SECTION): Remove.
4848 (output_call_frame_info): Use named_section_flags.
4849 (output_comp_unit, dwarf2out_start_source_file): Likewise.
4850 (dwarf2out_end_source_file, dwarf2out_define): Likewise.
4851 (dwarf2out_undef, dwarf2out_init, dwarf2out_finish): Likewise.
4852 * varasm.c (in_eh_frame, eh_frame_section): Remove.
4853 (named_section_flags): New.
4854 (named_section): Use it and targetm.section_type_flags.
4855 (resolve_unique_section): New.
4856 (assemble_start_function): Use it.
4857 (asm_emit_uninitialised, assemble_variable): Likewise.
4858 (default_section_type_flags): New.
4859 (default_no_named_section, default_elf_asm_named_section): New.
4860 (default_coff_asm_named_section, default_pe_asm_named_section): New.
4861 * output.h: Update varasm.c decls.
4862 (SECTION_*): New flags.
4864 * crtstuff.c: Check EH_FRAME_SECTION_NAME not EH_FRAME_SECTION_ASM_OP.
4865 (__EH_FRAME_BEGIN__, __FRAME_END__): Use attribute section.
4867 * config/elfos.h (UNIQUE_SECTION_P): Remove.
4868 * config/alpha/elf.h, config/arm/linux-elf.h: Likewise.
4869 * config/arm/pe.h, config/arm/unknown-elf.h: Likewise.
4870 * config/i386/cygwin.h, config/i386/djgpp.h: Likewise.
4871 * config/i386/i386-interix.h, config/i386/win32.h: Likewise.
4872 * config/ia64/sysv4.h, config/mcore/mcore-pe.h: Likewise.
4873 * config/mips/elf.h, config/mips/elf64.h: Likewise.
4874 * config/mips/iris6gld.h, config/mips/mips.h: Likewise.
4875 * config/pa/pa64-hpux.h,
4877 * config/elfos.h (ASM_OUTPUT_SECTION_NAME): Remove.
4878 (TARGET_ASM_NAMED_SECTION): New.
4879 * config/psos.h, config/a29k/a29k.h, config/alpha/elf.h: Likewise.
4880 * config/alpha/vms.h, config/arm/coff.h: Likewise.
4881 * config/arm/conix-elf.h, config/arm/elf.h: Likewise.
4882 * config/arm/linux-elf.h, config/arm/pe.h: Likewise.
4883 * config/arm/unknown-elf.h, config/avr/avr.h: Likewise.
4884 * config/c4x/c4x.h, config/h8300/h8300.h: Likewise.
4885 * config/i386/cygwin.h, config/i386/djgpp.h: Likewise.
4886 * config/i386/i386-interix.h, config/i386/i386elf.h : Likewise.
4887 * config/i386/sco5.h, config/i386/win32.h: Likewise.
4888 * config/m68k/coff.h, config/mcore/mcore-pe.h: Likewise.
4889 * config/mcore/mcore.h, config/mips/elf.h: Likewise.
4890 * config/mips/elf64.h, config/mips/iris6.h: Likewise.
4891 * config/mips/netbsd.h, config/mips/openbsd.h: Likewise.
4892 * config/pa/pa64-hpux.h, config/rs6000/sysv4.h: Likewise.
4893 * config/rs6000/xcoff.h, config/sh/sh.h: Likewise.
4894 * config/sparc/sysv4.h: Likewise.
4896 * config/nextstep.h: Error until named sections implemented.
4898 * config/a29k/a29k.c (a29k_asm_named_section): New.
4899 * config/alpha/alpha.c (SECTION_VMS_OVERLAY): New.
4900 (vms_section_type_flags, vms_asm_named_section): New.
4901 * config/arm/arm.c (arm_elf_asm_named_section): New.
4902 * config/avr/avr.c (asm_output_section_name): Remove.
4903 * config/avr/avr-protos.h: Update.
4904 * config/c4x/c4x.c (c4x_asm_named_section): New.
4905 * config/h8300/h8300.c (h8300_asm_named_section): New.
4906 * config/i386/i386.c (sco_asm_named_section): New.
4907 * config/i386/winnt.c (SECTION_PE_SHARED): New.
4908 (i386_pe_section_type_flags): New.
4909 (i386_pe_asm_named_section): New.
4910 * config/i386/i386-protos.h: Update.
4911 * config/m68k/m68k.c (m68k_coff_asm_named_section): New.
4912 * config/mcore/mcore.c (mcore_asm_named_section): New.
4913 * config/mips/mips.c (iris6_asm_named_section): New.
4914 * config/mips/mips.h (ENCODE_SECTION_INFO): Use DECL_ONE_ONLY
4915 instead of UNIQUE_SECTION_P.
4916 * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): New.
4917 (xcoff_asm_named_section): New.
4918 * config/sh/sh.c (sh_asm_named_section): New.
4919 * config/sparc/sparc.c (sparc_elf_asm_named_section): New.
4921 * config/i386/djgpp.h (EH_FRAME_SECTION_ASM_OP): Remove.
4922 * config/i386/sco5.h (EH_FRAME_SECTION_ASM_OP*): Remove.
4923 (EH_FRAME_SECTION_NAME): New.
4924 (EXCEPTION_SECTION): New.
4925 * config/ia64/ia64.h (EH_FRAME_SECTION_ASM_OP): Remove.
4926 (DEBUG_*_SECTION): Remove.
4927 * config/m68k/rtemself.h (EH_FRAME_SECTION_ASM_OP): Remove.
4928 * config/mips/iris6.h (DEBUG_*_SECTION): Remove.
4929 (EH_FRAME_SECTION_ASM_OP): Remove.
4931 * doc/tm.texi (UNIQUE_SECTION_P): Remove.
4932 (ASM_OUTPUT_SECTION_NAME): Remove.
4933 (TARGET_ASM_NAMED_SECTION): New.
4934 (TARGET_HAVE_NAMED_SECTIONS): New.
4935 (TARGET_SECTION_TYPE_FLAGS): New.
4936 (EH_FRAME_SECTION_ASM_OP): Remove.
4937 (EH_FRAME_SECTION_NAME): New.
4939 2001-08-03 Zack Weinberg <zackw@stanford.edu>
4941 * builtins.c (fold_builtin_constant_p): Return integer_zero_node
4942 for complex expressions when cfun == 0.
4943 * doc/extend.texi: Document that __builtin_constant_p can be
4944 used in data initializers as well as functions.
4946 2001-08-03 Alexandre Oliva <aoliva@redhat.com>
4948 * config/mn10300/mn10300.h (CONDITIONAL_REGISTER_USAGE): Declare
4949 variable I locally, instead of expecting a declaration in the
4952 2001-08-03 Richard Henderson <rth@redhat.com>
4954 * except.c (collect_one_action_chain): Add an explicit cleanup
4955 action if regions surrounding a catch were encoded entirely
4956 within the call-site entry.
4958 2001-08-03 Richard Henderson <rth@redhat.com>
4960 * dbxout.c (dbxout_symbol_location): Flatten subregs first;
4961 don't take REGNO of a non-register.
4963 2001-08-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
4965 * gthr-dce.h (__GTHREAD_MUTEX_INIT_FUNCTION and
4966 __GTHREAD_MUTEX_INIT_DEFAULT): New macros for mutex initialization.
4967 (__gthread_key_delete): Remove code for __PTHREAD_LIBRARY_VERSION_1 >= 1
4968 (__gthread_mutex_init_function): New function for mutex initialization.
4970 2001-08-03 Daniel Berlin <dan@cgsoftware.com>
4972 * Makefile.in: Revert screwed up commit.
4974 2001-08-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4976 * config/m68hc11/t-m68hc11-gas (T_CPPFLAGS): Add _ctor and _dtor.
4977 * config/m68hc11/larith.asm (_exit): Split in several sub-sections
4978 merged by linker script to get a final _exit().
4979 (__do_global_dtors): New for destructor handling in specific exit
4981 (__do_global_ctors): New for constructors in specific install section.
4982 (__map_data_section): Map data sections before running constructors.
4983 * config/m68hc11/m68hc11.h (INT_ASM_OP): Define to use .word.
4984 (CTORS_SECTION_ASM_OP): Define to put in readonly section.
4985 (DTORS_SECTION_ASM_OP): Likewise.
4986 (CTORS_SECTION_FUNCTION): Define to force a reference to
4988 (DTORS_SECTION_FUNCTION): Likewise for __do_global_dtors.
4990 2001-08-03 Daniel Berlin <dan@cgsoftware.com>
4992 * ChangeLog: Fix date on previous ChangeLog entry for GCSE.
4994 * Makefile.in: Add df.h to gcse.c dependencies.
4996 2001-08-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
4998 * varasm.c (output_constant_def_contents): Use for the length of a
4999 string constant either its TREE_STRING_LENGTH or its int_size_in_bytes
5000 depending on which is larger.
5002 2001-08-03 Daniel Berlin <dan@cgsoftware.com>
5004 * gcse.c: Include df.h for use as a dataflow analyzer.
5006 Declaration of reg_set_info: gone.
5007 New df_analyzer variable used by store motion.
5008 (reg_set_info): Deleted.
5009 (mark_mem_regs): New function, analyze regs used by a mem.
5010 (store_ops_ok): Use dataflow analyzer results to determine if
5011 necessary regs are changed in the block.
5012 (find_moveable_store): Remove check for symbol ref, we can handle
5013 much more complex expressions now.
5014 (compute_store_table): Remove most of the code, it's unnecessary
5015 now that the dataflow analyzer records the info for us.
5016 (store_killed_after): Add parameter to say whether to do the
5017 store_ops_okay test, used to speed up testing when we already know
5018 the answer, and just want to know if the store itself was killed.
5019 (build_store_vector): Largely rewritten to calculate the various
5020 vectors properly, and somewhat optimized.
5021 (store_motion): Init the df_analyzer, get REG_DEF chains.
5022 Also handle trapping expressions (since mems almost always trap)
5023 (simple_mem): Redefine what a simple mem is.
5025 2001-08-03 DJ Delorie <dj@redhat.com>
5027 * ifcvt.c (noce_get_alt_condition): Don't make an auxiliary
5028 set from a constant part of the condition.
5030 2001-08-01 Andrew Cagney <ac131313@redhat.com>
5032 * mkdeps.c (deps_add_default_target): Make local variable
5033 ``start'' a const char pointer.
5034 * dwarf2out.c (compute_section_prefix): Localize use of ``p''.
5036 2001-08-03 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5038 * doc/install.texi (Configuration): Fix markup.
5039 (Specific, i?86-*-udk): Likewise.
5040 (Specific, alpha*-dec-osf*): Warn against --with-gnu-as,
5042 Document --enable-threads and --enable-libgcj status.
5043 (Specific, mips-sgi-irix*): Canonicalize triples.
5044 (Specific, mips-sgi-irix5): Warn about problems with this config.
5045 Mention required GNU as patch.
5046 Native assembler problems are fixed.
5047 (Specific, mips-sgi-irix6): Update O32 ABI support status.
5048 Document --enable-threads and --enable-libgcj status.
5050 2001-08-02 Nick Clifton <nickc@cambridge.redhat.com>
5052 * Makefile.in, mklibgcc.in: Restore changes with fixed invocation
5055 2001-08-03 Richard Henderson <rth@redhat.com>
5057 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Don't write to
5060 2001-08-03 Richard Henderson <rth@redhat.com>
5062 * rtlanal.c (find_first_parameter_load): Stop if we
5063 reach a CODE_LABEL at BOUNDARY.
5065 2001-08-03 Richard Henderson <rth@redhat.com>
5067 * config/alpha/alpha.md (force_movdi): New insn.
5068 * config/alpha/alpha.c (alpha_expand_prologue): Use it.
5069 Tweek FRP marking of VMS prologue insns.
5070 * config/alpha/vms.h (EPILOGUE_USES): New.
5072 2001-08-02 Richard Henderson <rth@redhat.com>
5074 * Makefile.in, mklibgcc.in: Revert mkinstalldirs change.
5076 2001-08-02 Lars Brinkhoff <lars@nocrew.org>
5078 * combine.c, config.gcc, cse.c, defaults.h, real.c, reload.c,
5079 simplify-rtx.c, config/alpha/alpha.h, config/avr/avr.h,
5080 config/convex/convex.h, config/d30v/d30v.c,
5081 config/d30v/d30v.h, config/dsp16xx/dsp16xx.h,
5082 config/elxsi/elxsi.h, config/fr30/fr30.h, config/m88k/m88k.c,
5083 config/mips/mips.h, config/mn10200/mn10200.h,
5084 config/mn10300/mn10300.h, config/pdp11/pdp11.md,
5085 config/v850/v850.h, config/vax/openbsd.h,
5086 config/vax/openbsd1.h, config/vax/ultrix.h,
5087 config/vax/vax-protos.h, config/vax/vax.c, config/vax/vax.h,
5088 config/vax/vax.md, config/vax/vaxv.h, config/vax/xm-vms.h,
5089 cp/decl2.c, doc/contrib.texi, doc/cpp.texi, doc/gcc.texi,
5090 doc/install.texi, doc/invoke.texi, doc/md.texi, doc/rtl.texi,
5091 doc/tm.texi: consistently use "VAX", "VAXen", and "MicroVAX"
5092 in comments and documentation.
5094 2001-08-03 Neil Booth <neil@cat.daikokuya.demon.co.uk>
5098 * Makefile.in (line-map.o): New.
5099 (LIBCPP_OBJS, LIBCPP_DEPS): Update.
5100 * c-lex.c (cb_file_change): Update for new cpp_file_change structure.
5101 * cpperror.c (print_containing_files): Similarly.
5102 (print_location): Update. Don't output a space before _Pragma.
5103 * cppfiles.c (stack_include_file): Set to line 1 immediately.
5104 (stack_include_filee, cpp_make_system_header): Update.
5105 (_cpp_execute_include): Get logical line number right for calling
5106 as-yet-unterminated #include.
5107 * cpphash.h (struct cpp_reader): Add line_maps.
5108 (_cpp_do_file_change): Update.
5109 * cppinit.c (cpp_create_reader): Initialize line maps.
5110 (cpp_destroy): Destroy line maps.
5111 (cpp_start_read): Get logical line number right.
5112 * cpplex.c (parse_string): Only warn once for multi-line strings.
5113 Use boolean variable for null warning.
5114 * cpplib.c (_cpp_handle_directive): End the directive if it isn't
5116 (do_include_common): End the directive early.
5117 (do_line): Don't warn about out-of-range lines in preprocessed
5118 source. Update. Remove unused variables.
5119 (_cpp_do_file_change): Update for new line mapping.
5120 (pragma_cb): New typedef.
5121 (cpp_register_pragma): Stop looking ahead before calling the
5123 (do_pragma_system_header): End directive early.
5124 (cpp_get_line_maps): New.
5125 (cpp_pop_buffer): Fudge logical line. Update.
5126 * cpplib.h: Include line-map.h
5127 (enum cpp_fc_reason): Remove.
5128 (struct cpp_file_change): Update.
5129 (cpp_get_line_maps): New.
5130 * cppmain.c (struct_printer): New member map.
5131 (cb_file_change): Update for new mappings.
5132 * fix-header.c (cb_file_change): Similarly.
5134 2001-08-02 Nick Clifton <nickc@cambridge.redhat.com>
5136 * Makefile.in (libgcc.mk): Define mkinstalldirs.
5137 * mklibgcc.in: Use mkinstalldirs instead of mkdir.
5139 2001-08-02 Lars Brinkhoff <lars@nocrew.org>
5141 * config/vax/vax.c: include expr.h.
5143 2001-08-02 Nick Clifton <nickc@cambridge.redhat.com>
5145 * Makefile.in ($(srcdir)/configure): Only rebuild in
5147 ($(srcdir)/config.in): Only define in maintainer mode.
5148 ($(srcdir)/cstamp-h.in): Only define in maintainer mode.
5150 2001-08-02 David Edelsohn <edelsohn@gnu.org>
5152 * doc/install.texi (Install GCC: Binaries): Update Bull info.
5154 2001-08-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5156 * gcc.c (set_collect_gcc_options): New function, split out from
5158 Ignore elided switches.
5159 (do_spec_1): Invoke before executing command.
5160 (set_input): Export.
5161 Move declaration ...
5162 * gcc.h (set_input): ... here.
5163 * config/alpha/osf.h (ASM_FINAL_SPEC): Use %U.s to refer to input
5166 2001-08-02 Nathan Sidwell <nathan@codesourcery.com>
5169 * doc/c-tree.texi (Namespaces): Remove std & -fhonor-std
5171 * doc/invoke.texi (C++ Dialect Options): Remove -fno-honor-std.
5173 2001-08-02 Richard Sandiford <rsandifo@redhat.com>
5175 * mips.md (movdicc): Make conditional on TARGET_64BIT. Likewise
5176 for the unnamed instructions it expands to.
5178 2001-08-02 Richard Henderson <rth@redhat.com>
5180 * regclass.c (call_really_used_regs): Conditionally define.
5181 (init_reg_sets_1): Don't use it if not defined.
5182 (fix_register): Similarly, don't set it.
5184 2001-08-01 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
5186 * params.def (PARAM_MAX_INLINE_INSNS): Change default to 600.
5187 Correct comment that had been missed in the previous change.
5189 2001-08-01 Stan Shebs <shebs@apple.com>
5191 * config/darwin.c (machopic_stub_name): Try matching by name.
5192 (update_stubs): New function.
5193 (darwin_encode_section_info): Call it and update_non_lazy_ptrs
5196 2001-08-01 Richard Henderson <rth@redhat.com>
5198 * except.c (output_function_exception_table): Use assemble_align.
5199 * varasm.c (assemble_eh_label): Remove.
5200 (assemble_eh_align, assemble_eh_integer): Remove.
5202 2001-08-01 Robert Lipe <robertl@caldera.com>
5204 * dwarfout.c: Remove reference to README.DWARF.
5206 2001-08-01 Andrew MacLeod <amacleod@redhat.com>
5208 * regclass.c (call_really_used_regs): New array for registers which
5209 are actually used by a call.
5210 (init_reg_sets_1): Initialize regs_invalidated_by_call with the
5212 (fix_register): Set call_really_used too.
5213 * config/ia64/ia64.h (CALL_REALLY_USED_REGISTERS): Initialize.
5214 * doc/tm.texi (CALL_REALLY_USED_REGISTERS): Document.
5216 2001-08-01 Richard Henderson <rth@redhat.com>
5218 * read-rtl.c (read_name): Consider \r whitespace.
5220 2001-07-11 Andrew Cagney <ac131313@redhat.com>
5222 * config.gcc: Recognize powerpc-*-netbsd*.
5224 * doc/install.texi (Host/target specific installation notes for
5225 GCC): Mention powerpc-*-netbsd*.
5227 * config/rs6000/netbsd.h: New file.
5228 (STANDARD_STARTFILE_PREFIX, LINK_SHLIB_SPEC): Redefine.
5229 (LIB_DEFAULT_SPEC, STARTFILE_DEFAULT_SPEC): Redefine.
5230 (ENDFILE_DEFAULT_SPEC, LINK_START_DEFAULT_SPEC): Redefine.
5231 (LINK_OS_DEFAULT_SPEC, CPP_OS_DEFAULT_SPEC): Redefine.
5232 (TARGET_VERSION): Redefine.
5234 * config/rs6000/t-ppccomm (MULTILIB_MATCHES_SYSV): Recognize
5235 mcall-netbsd as a match for mcall-sysv.
5236 (EXTRA_MULTILIB_PARTS): Add ncrti$(objext) and ncrtn$(objext).
5237 (ncrti.S, ncrtn.S): New targets.
5238 ($(T)ncrti$(objext), $(T)ncrtn$(objext)): New targets.
5240 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Recognize
5241 "netbsd' as a V4 ABI.
5242 (ASM_SPEC): Check for -mcall-netbsd.
5243 (CC1_SPEC, CC1_SPEC, LINK_START_SPEC, LINK_OS_SPEC): Ditto.
5244 (CPP_ENDIAN_SPEC, CPP_SPEC, STARTFILE_SPEC): Ditto.
5245 (LIB_SPEC, ENDFILE_SPEC): Ditto.
5246 (LIB_NETBSD_SPEC, STARTFILE_NETBSD_SPEC): Define.
5247 (ENDFILE_NETBSD_SPEC, LINK_START_NETBSD_SPEC): Define.
5248 (LINK_OS_NETBSD_SPEC, CPP_OS_NETBSD_SPEC): Define.
5249 (SUBTARGET_EXTRA_SPECS): Add NetBSD specs.
5251 * doc/invoke.texi (Option Summary): Add -mcall-netbsd.
5252 (RS/6000 and PowerPC Options): Mention -mcall-netbsd.
5254 2001-08-01 Mark Kettenis <kettenis@gnu.org>
5256 * unwind-pe.h (base_of_encoded_value, read_encoded_value): Define
5257 only if NO_BASE_OF_ENCODED_VALUE isn't defined.
5258 * unwind-dw2-fde.c (NO_BASE_OF_ENCODED_VALUE): Define before
5259 including "unwind-pe.h".
5261 Wed Aug 1 20:01:42 CEST 2001 Jan Hubicka <jh@suse.cz>
5263 * rs6000.md (define_splits): Kill unused constraints.
5265 Wed Aug 1 20:02:12 CEST 2001 Graham Stott <grahams@redhat.com>
5266 Jan Hubicka <jh@suse.cz>
5268 * function.c (thread_prologue_and_epilogue_insns): Kill code
5269 dealing with non-existent CFG.
5271 2001-08-01 Kazu Hirata <kazu@hxi.com>
5273 * alias.c: Fix comment formatting.
5274 * bitmap.c: Likewise.
5275 * builtins.c: Likewise.
5276 * calls.c: Likewise.
5277 * c-common.c: Likewise.
5278 * c-decl.c: Likewise.
5279 * c-dump.c: Likewise.
5280 * c-lex.c: Likewise.
5281 * collect2.c: Likewise.
5282 * combine.c: Likewise.
5283 * conflict.c: Likewise.
5284 * cppfiles.c: Likewise.
5285 * cppinit.c: Likewise.
5286 * cpplex.c: Likewise.
5287 * cpplib.c: Likewise.
5288 * cppmacro.c: Likewise.
5289 * cppspec.c: Likewise.
5290 * c-pragma.c: Likewise.
5291 * crtstuff.c: Likewise.
5293 * cselib.c: Likewise.
5294 * c-semantics.c: Likewise.
5295 * c-typeck.c: Likewise.
5297 2001-08-01 H.J. Lu <hjl@gnu.org>
5299 * config/mips/linux.h (ASM_OUTPUT_IDENT): Defined.
5301 2001-08-01 H.J. Lu <hjl@gnu.org>
5303 * gcc/config/mips/linux.h (ASM_OUTPUT_SOURCE_LINE): Defined.
5305 2001-08-01 Ziemowit Laski <zlaski@apple.com>
5307 * c-parse.in (OBJC_NEED_RAW_IDENTIFIER): Define macro and flag for
5308 contextualizing Objective-C class name lookup by the lexer.
5309 (typespec_reserved_nonattr): Disable ObjC class name lookup after
5311 (protocoldef): Add support for forward @protocol declarations.
5312 (yylexname): Suppress ObjC class name lookup in certain contexts;
5313 re-enable after lookup is complete.
5314 (_yylex): Re-enable ObjC class name lookup when certain
5315 punctuation marks are seen.
5317 * objc/objc-act.c (check_protocol_recursively): New function used
5318 for finding circular dependencies in protocols.
5319 (objc_declare_protocols): New function for handling forward
5320 @protocol declarations.
5321 (receiver_is_class_object): Detect the case when 'self' is used
5322 inside of a class method.
5323 (build_message_expr): Issue a warning if class method is desired
5324 but instance method is found instead.
5325 (conforms_to_protocol): Streamline.
5326 (objc_comptypes): Detect the fact that 'Bar<Foo> foo' conforms to
5327 protocol Foo, even if 'Bar foo' does not.
5328 (check_protocols): Streamline.
5329 (start_protocol): Add checks for circular and duplicate protocol
5331 (encode_aggregate_within): For typedefs of structs, encode the
5333 * objc/objc-act.h (PROTOCOL_DEFINED): New tree accessor.
5334 (objc_declare_protocols): New prototype.
5336 2001-08-01 Neil Booth <neil@cat.daikokuya.demon.co.uk>
5338 * cpphash.h (struct cpp_reader): New members line, pseudo_newlines.
5339 * cpplex.c (handle_newline): Update prototype. Maintain logical
5341 (skip_escaped_newlines, skip_block_comment, parse_string):
5343 (_cpp_lex_token): Update, and store token position within the token.
5344 * cpplib.h (struct cpp_token): Add line and column entries.
5345 * cppmacro.c (replace_args): Position stringified tokens correctly.
5347 2001-08-01 Andreas Jaeger <aj@suse.de>
5349 * basic-block.h: Add prototype for last_loop_beg_note.
5351 2001-07-31 Alexandre Petit-Bianco <apbianco@redhat.com>
5353 * expr.c (safe_from_p): Use WITH_CLEANUP_EXPR_RTL instead of
5354 RTL_EXPR_RTL while handling WITH_CLEANUP_EXPR nodes. Fixed typo in
5356 (expand_expr): Use WITH_CLEANUP_EXPR_RTL instead of RTL_EXPR_RTL
5357 while handling WITH_CLEANUP_EXPR node. Use second operand calling
5358 expand_decl_cleanup.
5359 * tree.c (firt_rtl_op): The third operand of WITH_CLEANUP_EXPR is
5361 (simple_cst_equal): WITH_CLEANUP_EXPR node to use its second
5362 operand while calling simple_cst_equal.
5363 * tree.def (WITH_CLEANUP_EXPR): Switched operands: the second
5364 operand is the cleanup expression, the third is the RTL_EXPR.
5365 * tree.h (WITH_CLEANUP_EXPR_RTL): New macro.
5367 2001-07-31 Jeff Sturm <jsturm@one-point.com>
5369 * except.c (duplicate_eh_regions): Test n_array[i] for NULL.
5371 2001-07-31 matthew green <mrg@eterna.com.au>
5373 * config.gcc (i386-*-netbsdelf): New description.
5374 * config/i386/netbsd-elf.h: New file.
5376 2001-07-30 Geoffrey Keating <geoffk@redhat.com>
5378 * loop.c (check_dbra_loop): Use single_set to compute
5381 2001-07-31 Daniel Berlin <dan@cgsoftware.com>
5383 PowerPC reorg and support for powerpc64-*-linux*.
5385 Also fixes emitting of constants on 32 bit and 64 bit
5388 * config.gcc: powerpc64-*-linux* is a new target.
5389 Things that needed aix.h now also include xcoff.h
5391 * config/rs6000/rs6000.h: Split XCOFF specific stuff into
5393 Move AIX specific stuff into aix.h.
5394 (TARGET_AIX): Renamed to TARGET_XCOFF, since the AIX ABI is used
5395 with more than just XCOFF now.
5396 (SET_ASM_OP): Remove, now defined where needed.
5397 (FUNCTION_PROLOGUE): New macro definition.
5398 (FUNCTION_EPILOGUE): New macro definition.
5399 (ASM_OPEN_PAREN, ASM_CLOSE_PAREN): New macro definition.
5401 * config/rs6000/xcoff.h: New file.
5403 * config/rs6000/linux64.h: New file.
5405 * config/rs6000/darwin.h: Copy needed AIX alignment definitions.
5407 2001-07-31 Alan Modra <amodra@bigpond.net.au>
5409 * rs6000.c (print_operand_address): Handle ELF syntax.
5410 (output_toc): Simplify. Use DOUBLE_INT_ASM_OP.
5411 * rs6000.md (load_toc_aix_di): Handle ELF syntax.
5412 * rs6000.h (ASM_OUTPUT_DOUBLE_INT, ASM_LONG): Use DOUBLE_INT_ASM_OP.
5414 2001-07-31 David Edelsohn <edelsohn@gnu.org>
5416 * rs6000.c (rs6000_override_options): Only disable
5417 flag_function_sections for XCOFF.
5418 (exact_log2_cint_operand): New predicate.
5419 (reg_or_{add,sub}_cint64_operand): New predicates.
5420 (add_operand): Compare CONST_INT with fewer function calls.
5421 (rs6000_emit_set_const, rs6000_emit_set_long_const): New functions.
5422 (print_operand, case 'p'): Ensure positive operand.
5423 (rs6000_emit_load_toc_table): No load_toc_v4_pic_di.
5424 * rs6000.h (CONST_OK_FOR_LETTER_P, case 'N'): Ensure positive value.
5425 (PREDICATE_CODES): Add new predicates.
5426 * rs6000.md (addsi3): Split 32-bit constants more correctly.
5427 (divsi3, modsi3): Ensure positive power-of-2.
5428 (adddi3): Use new predicate. Split 32-bit constants more
5429 correctly. Re-arrange splitter to handle any constant.
5430 (subdi3): Use new predicate.
5431 (divdi3, moddi3): Ensure positive power-of-2.
5432 (movdi): Use rs6000_emit_set_const.
5433 (load_toc_v4_pic_di): Delete.
5435 2001-07-31 Graham Stott <grahams@redhat.com>
5437 * function.c (pad_below): Revert 2001-07-26 patch.
5439 Tue Jul 31 15:37:35 CEST 2001 Jan Hubicka <jh@suse.cz>
5441 * reg-stack (convert_regs_1): Fix best edge condition.
5443 Tue Jul 31 15:33:27 CEST 2001 Jan Hubicka <jh@suse.cz>
5445 * jump.c (duplicate_loop_exit_test): Better test for jumps
5446 entering the loop; create loop pre_header.
5448 2001-07-31 Hartmut Penner <hpenner@de.ibm.com>
5450 * doc/install.texi: Add s390 and s390x as new targets.
5451 * doc/invoke.texi: Add documantation of S/390 and zSeries
5453 * doc/md.texi: Add documantation of S/390 and zSeries constraints.
5455 2001-07-30 Roman Zippel <zippel@linux-m68k.org>
5457 * config/m68k/m68k.md: Replace all general_operand with
5458 nonimmediate_operand for all destinations.
5459 * config/m68k/m68k.c (not_sp_operand): Likewise.
5461 Mon Jul 30 23:20:34 EDT 2001 John Wehle (john@feith.com)
5463 * flow.c (merge_blocks): Return 1 if an extra jump is inserted.
5465 2001-07-30 Richard Henderson <rth@redhat.com>
5467 * config/ia64/ia64.h (DEBUG_RANGES_SECTION): New.
5468 * config/mips/iris6.h (DEBUG_RANGES_SECTION): New.
5470 2001-07-30 Roman Zippel <zippel@linux-m68k.org>
5472 * config/m68k/m68k.h (TARGET_SWITCHES/TARGET_OPTIONS):
5473 Add missing doc strings
5474 * config/m68k/linux-aout.h (SUBTARGET_SWITCHES): Likewise
5475 * config/m68k/linux.h (SUBTARGET_SWITCHES): Likewise
5477 Mon Jul 30 22:16:08 CEST 2001 Jan Hubicka <jh@suse.cz>
5479 * i386.c (ix86_output_main_function_alignment_hack): New function.
5480 (TARGET_ASM_FUNCTION_PROLOGUE): Default to it.
5482 * flow.c (mark_dfs_back_edges): Move from loop_p ; mark back
5483 edges by EDGE_DFS_BACK flag.
5484 (dump_edge_info): Add dfs_back flag.
5485 * basic-block.h (EDGE_DFS_BACK): New constant.
5486 (mark_dfs_back_edges): Declare.
5487 * alias.c (loop_p): Remove.
5488 (mark_constant_function): Use mark_dfs_back_edges.
5490 * reg-stack.c (block_info_def): Add predecesors counter and stack_out.
5491 (reg_to_stack): Call mark_dfs_back_edges; count the predecesors.
5492 (compensate_edge): Break out from ...
5493 (convert_regs_1): ... here; do smart choosing of stack_out to copy.
5494 (convert_regs_2): Set block_done once block is really done;
5495 Do updating of the predecesors counts.
5497 * toplev.c (rest_of_compilation): Recompute block_for_insn
5498 before post-reload cfg_cleanup.
5499 * function.c (thread_prologue_epilogue_insns):
5500 Call set_block_for_new_insns when emitting prologue directly.
5502 2001-07-30 Andreas Jaeger <aj@suse.de>
5504 * jump.c: Add prototype for mark_modified_reg.
5506 * cse.c (set_live_p): Add unused attribute.
5508 * gcov.c (calculate_branch_probs): Use gcov_type to avoid
5510 (scan_for_source_files): Use long for count to avoid overflow.
5511 (output_data): Likewise.
5512 (output_data): Don't use string concatatenation to silence gcc
5515 * predict.c: Fix typos and grammar.
5517 * gcse.c (insert_insn_end_bb): Remove unused variables.
5519 Mon Jul 30 21:54:53 CEST 2001 Jan Hubicka <jh@suse.cz>
5521 * flow.c (mark_set_1): Use REG_FREQ_FROM_BB.
5522 (attempt_auto_inc): LIkewise.
5523 (mark_used_reg): Likewise.
5524 (try_pre_increment_1): Likewise.
5525 * regclass.c (regclass): Likewise.
5526 * global.c (allocno_compare): Update comment; change scaling factor.
5527 * local-alloc.c (QTY_CMP_PRI): Likewise.
5528 * regs.h (REG_FREQ_FROM_BB): New.
5529 (REG_FREQ_MAX): Likewise.
5531 2001-07-30 H.J. Lu <hjl@gnu.org>
5533 * config/mips/linux.h (CPLUSPLUS_CPP_SPEC): Add
5536 2001-07-30 H.J. Lu (hjl@gnu.org)
5538 * config/mips/linux.h (ASM_DECLARE_FUNCTION_NAME): Defined.
5539 (ASM_DECLARE_FUNCTION_SIZE): Likewise.
5540 (FUNCTION_NAME_ALREADY_DECLARED): Likewise.
5542 2001-07-30 Nick Clifton <nickc@cambridge.redhat.com>
5544 * config/arm/t-arm-elf (MULTILIB_EXCEPTIONS): Skip -mthumb as well
5545 as -mthumb-interwork when -mcpu=arm7 is specified.
5547 Mon Jul 30 17:44:43 CEST 2001 Jan Hubicka <jh@suse.cz>
5549 * predict.def (noreturn, loop branch, loop exit): Mark as first
5552 Mon Jul 30 12:52:11 CEST 2001 Jan Hubicka <jh@suse.cz>
5554 * combine.c (try_combine): Avoid barrier after noop jumps.
5556 2001-07-29 Neil Booth <neil@cat.daikokuya.demon.co.uk>
5558 * cpphash.h (struct cpp_reader): Remove import_warning.
5559 * cpplib.c (skip_rest_of_line): Don't bother turning off
5561 (parse_include): Move include handling to...
5562 (do_include_common): ... here. Move import warning from...
5563 (do_import): ... here.
5564 (do_pragma_poison): Don't do a callback for poison identifiers.
5565 * cpplib.h (struct cpp_callbacks): Don't do poison callbacks.
5566 * cppmain.c (setup_callbacks): Similarly.
5568 Sun Jul 29 23:26:50 CEST 2001 Jan Hubicka <jh@suse.cz>
5570 * rtlanal.c (parms_set, find_first_parameter_load): Break out from...;
5571 handle multiple sets.
5572 * except.c (sjlj_mark_call_sites): .... here.
5573 * gcse.c (insert_insn_end_bb): Use find_first_parameter_load.
5575 Sun Jul 29 21:38:45 CEST 2001 Jan Hubicka <jh@suse.cz>
5577 Suggested by Richard Henderson and Richard Kenner:
5578 * combine.c (recog_for_combine): Use the fake recog
5579 only if instruction does not match.
5580 * rtl.h (NOOP_MOVE_INSN_CODE): New.
5581 * rtlanal.c (noop_move_p): Always return 1 for NOOP_MOVE_INSN_CODE.
5583 * combine.c (try_combine): Discover noop jump as direct jump.
5585 2001-07-29 Daniel Berlin <dan@cgsoftware.com>
5587 * df.c (df_rd_global_compute): Add successors to worklist, not
5589 (df_ru_global_compute): Ditto.
5591 2001-07-27 Daniel Berlin <dan@cgsoftware.com>
5593 * regclass.c (reg_scan_mark_refs): Increment REG_N_REFS when we
5594 increment REG_N_SETS.
5596 2001-07-26 Daniel Berlin <dan@cgsoftware.com>
5598 * sbitmap.h: New prototype for sbitmap_a_xor_b.
5600 * sbitmap.c (sbitmap_a_xor_b): New function.
5601 ifdef the basic block stuff on IN_GCC.
5603 2001-07-29 Neil Booth <neil@cat.daikokuya.demon.co.uk>
5605 * cppexp.c (parse_defined): Always record the macro name.
5606 (lex): Don't worry about identifiers, or special-case
5608 (_cpp_parse_expr): Figure out at the end of the routine
5609 whether we saw a valid !defined() expression.
5610 * cppfiles.c (stack_include_file): Update for mi_valid.
5611 (_cpp_pop_file_buffer): Similarly.
5612 * cpplex.c (_cpp_lex_token): Similarly.
5613 * cpphash.h (enum mi_state, enum mi_ind, mi_state,
5614 mi_if_not_defined, mi_lexed): Remove.
5616 * cpplib.c (do_if): Simplify.
5617 (do_endif, push_conditional, _cpp_handle_directive): Update
5618 for renaming of mi_state to mi_valid.
5620 * cpp.texi: Add index entries for digraphs, and add comment
5621 that C++ refers to them as alternative tokens.
5623 Sun Jul 29 18:59:13 CEST 2001 Jan Hubicka <jh@suse.cz>
5625 * basic-block.h (CLEANUP_PRE_LOOP): New.
5626 * except.c (finish_eh_generation): Update call of cleanup_cfg.
5627 * sibcall.c (optimize_sibling_calls): Likewise.
5628 * toplev.c (rest_of_compilation): Likewise.
5629 * flow.c (try_forward_edges): Take argument MODE;
5630 do not forward over loop pre-headers if CLEANUP_PRE_LOOP.
5631 (try_optimize_cfg): Update call of try_forward_edges.
5633 Sun Jul 29 18:59:56 CEST 2001 Roman Zippel <zippel@linux-m68k.org>
5634 Jan Hubicka <jh@suse.cz>
5636 * (validate_replace_rtx_1): Fix simplification of MINUS.
5638 2001-07-29 Neil Booth <neil@daikokuya.demon.co.uk>
5640 PR preprocessor/3669
5641 * cppinit.c (init_dependency_output): Turn off dump requests
5642 if sending dependencies to stdout.
5644 2001-07-28 Richard Henderson <rth@redhat.com>
5646 * flow.c (life_analysis): Elide PROP_ALLOW_CFG_CHANGES if
5649 2001-07-28 Golubev I. N. <gin@mo.msk.ru>
5651 * config/i386/sco5.h (DWARF2_DEBUGGING_INFO): Define.
5653 2001-07-28 Kazu Hirata <kazu@hxi.com>
5655 * config/h8300/h8300.h (ENCODE_SECTION_INFO): Check to see if DECL
5656 is VAR_DECL first to prevent an ICE.
5658 2001-07-28 Richard Henderson <rth@redhat.com>
5660 * varasm.c (immed_real_const_1): Don't elide special cases for
5662 (clear_const_double_mem): Clear const_tiny_rtx too.
5664 2001-07-28 Richard Henderson <rth@redhat.com>
5666 * dwarf2out.c (dw_val_class_offset): New.
5667 (struct dw_ranges_struct, dw_ranges_ref): New.
5668 (ranges_table, ranges_table_allocated): New.
5669 (ranges_table_in_use, RANGES_TABLE_INCREMENT): New.
5670 (add_AT_offset, add_ranges, output_ranges): New.
5671 (print_die, output_die): Handle dw_val_class_offset.
5672 (attr_checksum, size_of_die, value_format): Likewise.
5673 (gen_lexical_block_die): Handle non-contiguous blocks.
5674 (gen_block_die): Likewise.
5675 (dwarf2out_finish): Add a DW_AT_entry_pc to the compilation unit
5676 if needed. Dump the ranges table.
5677 * final.c (final_start_function): Remove unnecessary notes and
5678 rebuild the block tree before numbering the blocks.
5679 * function.c (reorder_blocks_0): Walk the existing block tree
5680 to unmark all blocks.
5681 (reorder_blocks_1): Create block fragments when duplicate block
5683 (reorder_fix_fragments): New.
5684 (reorder_blocks): Call it.
5685 * tree.h (BLOCK_FRAGMENT_ORIGIN, BLOCK_FRAGMENT_CHAIN): New.
5687 2001-07-28 Richard Henderson <rth@redhat.com>
5689 * emit-rtl.c (adjust_address): Make a copy of the memory address.
5691 2001-07-28 Richard Henderson <rth@redhat.com>
5693 * flow.c (add_to_mem_set_list): New function.
5694 (init_propagate_block_info): Use it.
5695 (mark_set_1): Likewise.
5696 (insn_dead_p): Canonicalize memory address for dead store
5697 comparison. Allow wider mode stores to kill narrower mode stores.
5698 (invalidate_mems_from_autoinc): Use invalidate_mems_from_set.
5699 (invalidate_mems_from_set): Don't handle MEMs.
5701 2001-07-28 Kazu Hirata <kazu@hxi.com>
5703 * config/h8300/h8300.h: Fix formatting.
5705 Sat Jul 28 23:35:22 CEST 2001 Jan Hubicka <jh@suse.cz>
5707 * basic-block.h (EDGE_FREQUENCY): New macro.
5708 * bb-reorder (fixup_reorder_chain): Set counts and frequencies
5710 * flow.c (find_sub_basic_blocks): Likewise.
5711 (try_crossjump_to_edge): Likewise; use EDGE_FREQUENCY
5712 (redirect_edge_and_branch): Use EDGE_FREQUENCY.
5714 * predict.c (DEF_PREDICTOR): New argument FLAGS.
5715 (HITRATE): New macro.
5716 (PRED_FLAG_FIRST_MATCH): New constant.
5717 (predictor_info): New field flgags.
5718 (combine_predictions_for_insn): Use DS theory to combine
5719 probabilities; set the edge probabilities when finished.
5720 (estimate_probability): Avoid duplicated matches
5721 of LOOP_BRANCH heuristics for nested loops; update comment.
5722 * predict.def: Add flags for each prediction, set probabilities
5723 according to B&L paper.
5724 * predict.h (DEF_PREDICTOR): New argument FLAGS.
5726 * profile.c (compute_branch_probabilities): Cleanup way the edge
5727 probabilities are computed and REG_BR_PROB notes are dropped; if
5728 values does not match, emit error.
5729 (init_branch_prob): Do error instead of warning when profile driven
5730 feedback is missing or corrupt.
5732 2001-07-27 DJ Delorie <dj@redhat.com>
5734 * ifcvt.c (noce_get_alt_condition): If the condition is a compare
5735 against a constant, try to adjust the compare to have the desired
5736 constant in it so that min/max optimizations happen more often.
5738 Fri Jul 27 17:53:00 CEST 2001 Jan Hubicka <jh@suse.cz>
5740 * flow.c (last_loop_beg_note): New function.
5741 (redirect_edge_and_branch): Use it.
5742 (split_edge): Likewise.
5744 * alias.c (loop_p): Avoid uninitialized memory access.
5746 * flow.c (try_forward_edges): Avoid accessing freed memory.
5748 * flow.c (backward_edge_of_syntactic_loop_p): Avoid uninitialized
5751 2001-07-26 Andrew Haley <aph@redhat.com>
5752 Joern Rennecke <amylaar@redhat.com>
5754 * config/sh/linux.h (CPP_DEFAULT_CPU_SPEC): New.
5755 (SUBTARGET_CPP_ENDIAN_SPEC): New.
5756 (SUBTARGET_CPP_SPEC): New.
5758 * config/sh/sh.h (SUBTARGET_CPP_ENDIAN_SPEC): New.
5759 (SUBTARGET_CPP_PTR_SPEC): New.
5760 (CPP_DEFAULT_CPU_SPEC): New.
5761 (EXTRA_SPECS): Add SUBTARGET_CPP_ENDIAN_SPEC,
5762 SUBTARGET_CPP_PTR_SPEC, and CPP_DEFAULT_CPU_SPEC.
5763 (CPP_SPEC): Break out parts into SUBTARGET_CPP_ENDIAN_SPEC,
5764 SUBTARGET_CPP_PTR_SPEC, and CPP_DEFAULT_CPU_SPEC.
5765 (SUBTARGET_CPP_SPEC): Define as an empty string.
5767 2001-07-27 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
5769 * doc/install.texi (Configuration): Properly link the host
5770 specific instructions also when generating HTML.
5772 Fri Jul 27 00:33:35 EDT 2001 John Wehle (john@feith.com)
5774 * flow.c (redirect_edge_and_branch_force): Test
5775 target->global_live_at_start.
5777 2001-07-26 Richard Henderson <rth@redhat.com>
5779 * simplify-rtx.c (avoid_constant_pool_reference): Export.
5780 * rtl.h (avoid_constant_pool_reference): Declare it.
5781 * dwarf2out.c (add_location_or_const_value_attribute): Use it.
5782 (add_const_value_attribute): Use add_AT_unsigned for unsigned values.
5784 Thu Jul 26 22:30:22 CEST 2001 Jan Hubicka <jh@suse.cz>
5786 * rtl.h (cleanup_barriers): Declare.
5787 * jump.c (cleanup_barriers): New function.
5788 * toplev.c (rest_of_compilation): Call cleanup_barriers
5789 before loop optimizer and after bb_reorder.
5791 * flow.c (back_edge_of_syntactic_loop_p): New.
5792 (split_edge): Use it.
5794 2001-07-26 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5796 * glimits.h (_MACH_MACHLIMITS_H_): Delete.
5798 Thu Jul 26 22:22:21 2001 Denis Chertykov <denisc@overta.ru>
5800 * cse.c (cse_process_notes): Replace any registers if the address
5803 Thu Jul 26 14:04:03 EDT 2001 John Wehle (john@feith.com)
5805 * basic-block.h (PROP_ALLOW_CFG_CHANGES): Define.
5806 (PROP_FINAL): Include PROP_ALLOW_CFG_CHANGES.
5807 (propagate_block): Update prototype.
5808 * flow.c (update_life_info): Simplify the CFG and
5809 recalculate the global regs which are alive when
5810 removing dead code during a global update.
5811 (propagate_block): Return non-zero if an INSN is
5814 2001-07-26 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5816 * Makefile.in (LIBICONV): Define.
5818 2001-07-26 Catherine Moore <clm@redhat.com>
5820 * config/v850/v850.h (ENCODE_SECTION_INFO): Change order
5821 of conditional to avoid tree checking errors.
5823 2001-07-26 Kazu Hirata <kazu@hxi.com>
5825 * regmove.c (regmove_optimize): Don't replace a reg with
5826 another reg of a different mode.
5828 2001-07-26 Andrew MacLeod <amacleod@redhat.com>
5830 * params.def (PARAM_MAX_PENDING_LIST_LENGTH): Add parameter to
5831 limit length of dependancy flush list.
5832 * params.h (MAX_PENDING_LIST_LENGTH): Define.
5833 * sched-int.h (struct deps): Add pending_flush_length field.
5834 * sched-deps.c (flush_pending_lists): Last_pending_memory_flush now
5835 has 1 element in it.
5836 (sched_analyze_1): Use MAX_PENDING_LIST_LENGTH.
5837 (sched_analyze): After a jump, if the pending memory flush list is too
5838 large, flush the pending lists.
5839 (init_deps): Initialize pending_flush_length to 0.
5840 * doc/invoke.texi (max_pending_list_length): Document parameter.
5842 2001-07-26 Neil Booth <neil@daikokuya.demon.co.uk>
5844 * toplev.c, varasm.c, final.c: Include xcoffout.h if appropriate.
5845 * dbxout.c (dbxout_global_decl): Move outside #ifdef.
5846 * Makefile.in (varasm.o, final.o, toplev.o): Update dependencies.
5848 2001-07-26 Neil Booth <neil@cat.daikokuya.demon.co.uk>
5850 * cpphash.h (struct_lexer_state): Delete was_skipping.
5851 Move skipping here from struct cpp_reader.
5852 * cpplex.c (parse_identifier): Update.
5853 (_cpp_lex_token): Don't skip tokens in a directive.
5854 * cpplib.c (struct if_stack): Update.
5855 (start_directive, end_directive): Don't change skipping state.
5856 (_cpp_handle_directive): Update.
5857 (do_ifdef, do_ifndef, do_if, do_elif): Similarly.
5858 (do_else, do_endif): Update; only check for excess tokens if not
5859 in a skipped conditional block.
5860 (push_conditional): Update for new struct if_stack.
5862 2001-07-26 Graham Stott <grahams@redhat.com>
5864 * function.c (locate_and_pad_parm): Also pad initial offset
5865 so that the total argument size also includes the padding.
5867 2001-07-26 Graham Stott <grahams@redhat.com>
5869 * gensupport.c (alter_output_for_insn): Correct enable checking failure
5870 change XSTR to XTMPL.
5872 (process_one_cond_exec): Likewise
5874 2001-07-25 Richard Henderson <rth@redhat.com>
5876 * varasm.c (assemble_variable): Create DECL_RTL before setting
5879 Thu Jul 26 00:19:30 CEST 2001 Jan Hubicka <jh@suse.cz>
5881 * predict.c (estimate_probability): Avoid duplicated predictions.
5883 * loop.c (find_and_verify_loops): Grok multiple barriers.
5885 Wed Jul 25 18:00:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5887 * config/alpha/alpha.c (print_operand, case '/'): Don't write '/'.
5889 * dbxout.c: Consistently use putc instead of fputc.
5890 (print_wide_int): New function; call instead of direct fprintf.
5891 (dbxout_type_index): Adjust calls of CHARS to be more accurate.
5892 (dbxout_type_fields, dbxout_type_method_1): Likewise.
5893 (dbxout_type_methods, dbxout_range_type, dbxout_type): Likewise.
5894 (print_int_cst_octal): Likewise.
5895 (print_octal): Show we wrote characters.
5896 (dbxout_type): Set have_used_extensions in more places.
5898 2001-07-25 Catherine Moore <clm@redhat.com>
5900 * config/v850/v850.c (v850_va_arg): Use addr
5901 instead of valist to build incr.
5903 Wed Jul 25 22:48:59 CEST 2001 Jan Hubicka <jh@suse.cz>
5905 * flow.c (delete_dead_jumptables): New function.
5906 (life_analyzis): Call it.
5907 * bb-reorder.c (skip_insns_after_block): Handle contradictory
5910 2001-07-25 Richard Henderson <rth@redhat.com>
5912 * except.c (reachable_handlers): Handle a region being removed
5913 out from under a RESX.
5915 2001-07-25 Richard Henderson <rth@redhat.com>
5917 * config/alpha/alpha.c (alpha_emit_conditional_move): Always
5918 swap GE/GT if it is an fp comparison.
5920 2001-07-25 Andrew Haley <aph@cambridge.redhat.com>
5922 * alias.c (rtx_equal_for_memref_p): Allow strings as types in
5925 Wed Jul 25 08:25:01 2001 Jeffrey A Law (law@cygnus.com)
5927 * ssa.c (rename_insn_1): Do not wrap an assignment to a
5928 paradoxical SUBREG inside a SEQUENCE. Fix minor formatting
5931 * ssa-ccp.c (visit_expression): Handle CALL_INSNs that can
5933 (visit_expression): When attempting to simplify an expression,
5934 retrieve any modes for arguments before they are simplified
5937 2001-07-25 Andrew MacLeod <amacleod@redhat.com>
5938 Janis Johnson <janis@us.ibm.com>
5940 * stmt.c (expand_goto): A nonlocal goto can be a call too.
5941 * builtins.c (expand_builtin_longjmp): Reverse label and static chain
5942 pointer parameters to match documented usage of nonlocal_goto.
5943 * config/ia64/ia64.md (nonlocal_goto): Revert label and static chain
5944 parameters to their correct order.
5945 * config/sparc/sparc.md (nonlocal_goto): Revert label and static chain
5946 parameters to their correct order.
5948 2001-07-25 Andrew MacLeod <amacleod@redhat.com>
5950 * config/ia64/ia64.h (STRIP_NAME_ENCODING): Strip out '*' as well.
5952 2001-07-25 Jan Hubicka <jh@suse.cz>
5953 Richard Henderson <rth@redhat.com>
5955 * flow.c (find_sub_basic_blocks): Fix handling of the last BB in
5957 (make_edges): New argument update_p; populate the edge cache if set.
5958 (find_basic_blocks): Update make_edges invocation.
5960 2001-07-24 Joel Sherrill <joel@OARcorp.com>
5962 * config/i960/i960.h (CPP_SPEC): Define _SOFT_FLOAT for -msoft-float.
5964 2001-07-24 Joel Sherrill <joel@OARcorp.com>
5966 * config/sparc/rtems.h (CPP_PREDEFINES): Remove redundant
5967 -Acpu and -Amachine.h.
5968 * config/sparc/rtemself.h (CPP_PREDEFINES): Likewise.
5969 Corrected header to say ELF not a.out.
5970 * config/sparc/sparc.h (CPP_CPU_SPEC): Define _SOFT_FLOAT
5971 when given -msoft-float.
5973 2001-07-24 Joel Sherrill <joel@OARcorp.com>
5975 * config.gcc (arm*-*-rtems*): Include crtinit.o and crtfini.o as
5976 extra multilib parts like arm-elf.
5977 (i960-*-coff*, i960-*-rtems): Should not use collect2.
5978 (m68020-*-elf*, m68k-*-elf*, m68k-*-rtems*): Include crtinit.o and
5979 crtfini.o as extra multilib parts.
5981 2001-07-24 Joel Sherrill <joel@OARcorp.com>
5983 * configure.in: Add rtems as a supported thread model.
5984 * gthr-rtems.h: Add missing entry point __gthread_active_p.
5985 * configure: Rebuilt.
5987 2001-07-24 Lars Brinkhoff <lars@nocrew.org>
5989 * stor-layout.c (get_mode_alignment): make it work when
5990 BITS_PER_UNIT is not a power of two.
5991 * builtins.c (get_pointer_alignment): Likewise.
5993 2001-07-24 Richard Henderson <rth@redhat.com>
5995 * simplify-rtx.c (avoid_constant_pool_reference): Coerce
5996 the retrieved constant into the expected mode.
5998 Wed Jul 25 01:41:27 CEST 2001 Jan Hubicka <jh@suse.cz>
6000 * flow.c (try_simplify_condjump): Avoid duplicated edges.
6001 (verify_flow_info): Check for duplicated edges; clarify
6004 * flow.c (block_label): Update basic_block_for_insn.
6005 (commit_edge_insertions): Call compute_bb_for_insn.
6007 * flow.c (purge_dead_edges): Handle conditional jumps and conditional
6010 * flow.c (redirect_edge_and_branch,
6011 try_optimize_cfg): Use redirect_edge_succ_nodup
6012 (redirect_edge_succ_nodup): New.
6013 * basic_block.h (redirect_edge_succ_nodup): Declare.
6015 * toplev.c (rest_of_compilation): Rebuild CFG before cfg_cleanup
6018 Wed Jul 25 00:32:49 CEST 2001 Jan Hubicka <jh@suse.cz>
6020 * flow.c (try_forward_edges): Accept fallthru edge; Update comment.
6021 (try_crossjump_to_edge): Update commetns.
6022 (try_crossjump_bb): Likewise.
6024 2001-07-24 Richard Henderson <rth@redhat.com>
6026 * combine.c (distribute_notes): Move set of need_refresh
6027 for noop_move_p down to catch all cases.
6029 Tue Jul 24 20:32:44 CEST 2001 Jan Hubicka <jh@suse.cz>
6031 * recog.c (split_all_insns_noflow): New.
6032 * rtl.h (split_all_insns_noflow): Declare.
6033 * ia64.c (ia64_reorg): Use split_all_insns_noflow.
6034 * m68hc11.c (m68hc11_reorg): Likewise.
6035 * sh.c (machine_dependent_reorg): Likewise.
6036 * toplev.c (rest_of_compilation): Likewise for last split_all_insns
6039 2001-07-18 Andrew Haley <aph@cambridge.redhat.com>
6041 * config/sh/sh.md (ashlsi3_std splitter): Split only after reload.
6042 (ashlsi3_n splitter): Likewise.
6043 (lshrsi3_n splitter): Likewise.
6045 (GOTaddr2picreg): Make const SImode.
6046 (sym_label2reg): Likewise.
6047 (symGOT2reg): Likewise.
6048 (symGOTOFF2reg) Likewise.
6050 (casesi_worker_0): Make unspec SImode.
6052 2001-07-18 Andrew Haley <aph@cambridge.redhat.com>
6054 * config/sh/sh.c (barrier_align): Check that an operand really is
6055 an insn before extracting its INSN_CODE.
6057 2001-07-24 Andrew Haley <aph@cambridge.redhat.com>
6059 * config/sh/sh.h (OVERRIDE_OPTIONS): Add braces to get rid of
6062 * config/sh/sh.h (INITIALIZE_TRAMPOLINE): Truncate operands
6063 for SImode to prevent overflow.
6065 2001-07-24 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6067 * config/mips/irix6-libc-compat.c: New file.
6068 * config/mips/t-iris6 (LIB2FUNCS_STATIC_EXTRA): Use it.
6069 * doc/install.texi (Specific, mips*-sgi-irix6): Mention structure
6072 2001-07-24 lars brinkhoff <lars@nocrew.org>
6074 * rtl.texi (REG_POINTER): Document.
6075 (Machine Modes): Document BImode, OImode, PQImode, PHImode,
6076 QFmode, HFmode, TQFmode, QCmode, and HCmode.
6078 Tue Jul 24 10:49:40 CEST 2001 Jan Hubicka <jh@suse.cz>
6080 * flow.c (delete_noop_moves): Do not confuse libcall regions.
6082 2001-07-23 Richard Henderson <rth@redhat.com>
6084 * flow.c (try_simplify_condjump): Use tidy_fallthru_edge.
6086 2001-07-23 Kazu Hirata <kazu@hxi.com>
6088 * config/h8300/h8300-protos.h: Add a prototype for
6089 general_operand_dst_push.
6090 * config/h8300/h8300.c (general_operand_dst_push): New.
6091 * config/h8300/h8300.h (OK_FOR_T): New.
6092 (EXTRA_CONSTRAINT): Use it.
6093 * config/h8300/h8300.md (movqi_push): Remove and integrate into
6094 the existing movqi pattern.
6095 (movhi_push): Likewise.
6097 * reload.c: Fix comment typos.
6099 Mon Jul 23 23:34:07 CEST 2001 Jan Hubicka <jh@suse.cz>
6101 * gcse.c (cprop_insn): Update call of cprop_cc0_jump.
6103 2001-07-23 H.J. Lu (hjl@gnu.org)
6105 * doc/extend.texi: Update __builtin_return_address and
6106 __builtin_frame_address.
6108 2001-07-23 Richard Henderson <rth@redhat.com>
6110 * config/i386/i386.c (ix86_expand_setcc): Don't use method 0
6112 * config/i386/i386.md: New setcc+movzbl peephole2.
6114 2001-07-23 Neil Booth <neil@cat.daikokuya.demon.co.uk>
6116 * objc/Make-lang.in (objc-act.o): Depend on debug.h.
6117 * objc/objc-act.c: Include debug.h.
6118 (synth_module_prologue): Save and restore debug hooks too.
6120 2001-07-23 lars brinkhoff <lars@nocrew.org>
6122 * tm.texi (TARGET_FLOAT_FORMAT): Document IBM_FLOAT_FORMAT
6123 and C4X_FLOAT_FORMAT.
6124 (BOOL_TYPE_SIZE): Document.
6126 Mon Jul 23 11:54:23 2001 Clinton Popetz <cpopetz@cpopetz.com>
6128 * unroll.c (loop_iterations): Fix miscalculation of initial
6131 2001-07-13 Andrew Haley <aph@redhat.com>
6133 * doc/tm.texi (MD_CAN_REDIRECT_BRANCH): New macro.
6134 * config/sh/sh.h (MD_CAN_REDIRECT_BRANCH): New macro.
6135 * config/sh/sh.c (sh_can_redirect_branch): New function.
6136 * config/sh/sh-protos.h (sh_can_redirect_branch): Declare.
6137 * reorg.c (steal_delay_list_from_target): Use
6138 MD_CAN_REDIRECT_BRANCH to see if redirection is possible.
6140 Mon Jul 23 17:20:18 CEST 2001 Jan Hubicka <jh@suse.cz>
6142 * flow.c (try_simplify_condjump): Unlink insn chain on
6143 fallthru edge; use can_fallthru.
6145 Mon Jul 23 16:03:19 CEST 2001 Jan Hubicka <jh@suse.cz>
6147 * basic-block.h (find_sub_basic_block): Declare.
6148 * flow.c (make_edges): New arguments MIN and MAX;
6149 (find_sub_basic_blocks): Revamp to use make_edges
6150 and purge_dead_edges.
6151 (find_basic_blocks): Update call of find_sub_basic_block.
6153 * recog.c (split_all_insns): Always expect CFG to be consistent;
6154 call find_sub_basic_blocks in case something has changed.
6155 * toplev.c (rest_of_compilation): Always call split_all_insns once CFG
6158 * basic-block.h (delete_noop_moves): Declare.
6159 * combine.c (combine_instructions): Call it.
6160 (recog_for_combine): Tolerate noop moves
6161 (distribute_notes): Force refresh when register dies at noop move.
6162 * flow.c (delete_noop_moves): Use BB structure; delete JUMP insns
6164 (life_analysis): Update delete_noop_moves call.
6165 (set_noop_p): Move too ...
6166 * rtlanal.c (noop_move_p): ... here.
6167 * rtl.h (noop_move_p): Declare.
6169 * basic-block.h (purge_all_dead_edges, purge_dead_edges): New functions.
6170 * toplev.c (rest_of_compilation): Conditionally call purge_all_dead_edges
6172 * gcse.c (cprop_cc0_jump, cprop_insn): New argument "basic_block".
6173 (cprop_jump): Likewise; call purge_dead_edges if substitution suceeded.
6175 2001-07-23 Hans-Peter Nilsson <hp@bitrange.com>
6177 * reload.c (push_reload): Fix typo in comment.
6178 (find_reloads_address): Ditto.
6179 (reg_overlap_mentioned_for_reload_p): Ditto in head comment.
6181 2001-07-22 Richard Henderson <rth@redhat.com>
6183 * flow.c: Grammar check and clarify a lot of comments.
6184 (try_simplify_condjump): Rename variables to be clearer.
6185 (try_forward_edges): Skip complex and fallthru edges.
6186 Rearrange tests to avoid duplicate checks.
6187 (flow_find_cross_jump): Likewise.
6188 (outgoing_edges_match): Allow match if neither branch has
6189 probability data. Loosen probability match to 5%.
6190 (try_crossjump_to_edge): Hoist repeated indirection into
6192 (try_crossjump_bb): Don't check complex edges. Eliminate
6193 redundant crossjump tests.
6194 (try_optimize_cfg): Fix use of bool. Reorganize cheaper
6195 checks before more expensive checks.
6197 2001-07-22 Richard Henderson <rth@redhat.com>
6199 * fold-const.c (fold): Test vs FLOAT_TYPE_P instead of
6200 INTEGRAL_TYPE_P when folding comparisons with operand_equal_p
6203 2001-07-22 Richard Henderson <rth@redhat.com>
6205 * m68k.c (const_uint32_operand): Abort if mode is <= 32 bits.
6206 (const_sint32_operand): Likewise.
6207 * m68k.md (anon mulsi pattern): Use const_int_operand not
6208 const_sint32_operand.
6209 (umulsi3_highpart): Zero extend a constant input.
6210 (smulsi3_highpart): Don't bother checking SImode constant.
6211 (const_umulsi3_highpart): Give op3 DImode.
6212 (const_smulsi3_highpart): Likewise.
6214 2001-07-22 Richard Henderson <rth@redhat.com>
6216 * flow.c (split_block): Make sure bb_note is included in the
6217 new block when splitting before a label.
6219 Sun Jul 22 23:28:56 CEST 2001 Jan Hubicka <jh@suse.cz>
6221 * basic-block.h (redirect_edge_and_branch_force,
6222 redirect_edge_and_branch, block_label, forwarder_block_p): Declare.
6223 * flow.c (redirect_edge_and_branch_force,
6224 redirect_edge_and_branch, block_label, forwarder_block_p): Make global.
6225 (redirect_edge_and_branch_force): Fix copying of lifeness information.
6226 (block_label): Handle EXIT_BLOCK_PTR by returning NULL.
6227 * ifcvt.c (dead_or_predictable): Take BB as an new destionation
6228 instead of label; update CFG after transformation.
6229 (find_if_case_1): Update call, use redirect_edge_and_branch_force
6230 for finishing the transformation; handle even case where ELSE
6231 does not follow THEN.
6232 (find_if_case_2): Update call of dead_or_predictable; simplify
6235 * emit-rtl.c (split_branch_probability): New global variable.
6236 (try_split): Take care to set split_branch_probability and
6237 create REG_BR_PROB note for new jump insns.
6238 * md.texi (define_split): Document new feature.
6240 * i386.c (ix86_split_fp_branch): Redistribute branch probability notes.
6242 2001-07-22 Neil Booth <neil@daikokuya.demon.co.uk>
6244 * varasm.c: Don't inlcude dbxout.h, sdbout.h or xcoffout.h.
6245 (asm_out_file): Remove redundant declaration.
6246 (assemble_asm): Remove old #if 0 block.
6247 (assemble_variable): Remove end of function; debug output is
6248 now handled with global_decl. Remove old #if 0 block. Update.
6249 Remove saved_in_section and associated no-op code.
6250 * Makefile.in (varasm.o): Correct dependencies.
6252 Sun Jul 22 17:55:11 2001 Alexandre Oliva <aoliva@redhat.com>
6254 * config/i386/freebsd-aout.h (ASM_PREFERRED_EH_DATA_FORMAT): Use
6255 the definition in defaults.h.
6257 Sun Jul 22 21:31:04 CEST 2001 Jan Hubicka <jh@suse.cz>
6259 * jump.c: Update comments.
6260 (delete_barrier_successors, delete_unreferenced_labels,
6261 delete_noop_moves, tension_vector_labels, delete_from_jump_chain,
6262 delete_labelref_insn, redirect_tablejump, jump_optimize_1,
6263 jump_optimize, jump_optimize_minimal): Kill.
6264 (rebuild_jump_labels): Move code from jump_optimize_1.
6265 (purge_line_number_notes): Likewise.
6266 (copy_loop_headers): Likewise.
6267 * reg-stack.c: Update comment.
6269 * rtl.h (jump_optimize, jump_optimize_1, JUMP_NOOP_MOVES,
6270 JUMP_AFTER_REGSCAN): Kill.
6271 * toplev.c (rest_of_compilation): Use cleanup_cfg, call
6272 purge_line_number_notes and copy_loop_headers.
6274 2001-07-22 Neil Booth <neil@daikokuya.demon.co.uk>
6275 Richard Henderson <rth@redhat.com>
6277 * dbxout.c (dbxout_global_decl): New.
6278 (xcoff_debug_hooks, dbx_debug_hooks): Use it.
6279 * sdbout.c (sdbout_finish): New.
6280 (sdbout_debug_hooks): Use it, add comments.
6281 (sdbout_global_decl): Defer initialised public vars to
6283 * varasm.c (assemble_variable): Don't output debug information
6284 for file-scope variables.
6286 2001-07-22 Richard Henderson <rth@redhat.com>
6288 * config/alpha/alpha.c (get_trap_mode_suffix): New.
6289 (get_round_mode_suffix): New.
6290 (print_operand): Use them for [/]. Remove support for [&'`()+].
6291 * config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): Update.
6292 * config/alpha/alpha.md (attr round_suffix): New.
6293 (attr trap_suffix): New.
6294 (all insns): Set them appropriately. Use %/ instead of the
6297 2001-07-22 Neil Booth <neil@cat.daikokuya.demon.co.uk>
6299 * dbxout.c, sdbout.c, varasm.c: Revert most recent debug patch.
6301 2001-07-22 Richard Henderson <rth@redhat.com>
6303 * regrename.c (regrename_optimize): Compute nregs for each
6304 potential target register.
6306 2001-07-21 Neil Booth <neil@daikokuya.demon.co.uk>
6307 Richard Henderson <rth@redhat.com>
6309 * dbxout.c (dbxout_global_decl): New.
6310 (xcoff_debug_hooks, dbx_debug_hooks): Use it.
6311 * sdbout.c (sdbout_finish): New.
6312 (sdbout_debug_hooks): Use it, add comments.
6313 (sdbout_global_decl): Defer initialised public vars to
6315 * varasm.c (assemble_variable): Don't output debug information
6316 for file-scope variables.
6318 2001-07-21 H.J. Lu (hjl@gnu.org)
6320 * config/mips/mips.c (mips_cpu): Moved into ...
6321 (override_options): Here.
6323 * config/mips/mips.h (mips_cpu_attr): Replace mips_cpu with
6325 (mips_cpu): Removed.
6327 2001-07-21 Stephane Carrez <Stephane.Carrez@worldnet.fr>
6329 * config/m68hc11/m68hc11.md ("andqi3"): Accept d as second operand.
6330 ("iorqi3"): Likewise.
6331 ("xorqi3"): Likewise.
6332 ("*addhi3"): Fix constraint to avoid reloading in a soft register.
6333 ("*subhi3_sp): Likewise.
6334 ("*subhi3"): Likewise.
6335 ("extendhisi2"): Accept D, X and Y as source operand to avoid
6338 2001-07-21 Nathan Sidwell <nathan@codesourcery.com>
6340 * doc/tm.texi: Remove DEFAULT_VTABLE_THUNKS.
6341 * config/freebsd.h: Likewise.
6342 * config/linux.h: Likewise.
6343 * config/openbsd.h: Likewise.
6344 * config/alpha/linux-elf.h: Likewise.
6345 * config/arm/linux-elf.h: Likewise.
6346 * config/d30v/d30v.h: Likewise.
6347 * config/fr30/fr30.h: Likewise.
6348 * config/ia64/aix.h: Likewise.
6349 * config/ia64/ia64.h: Likewise.
6350 * config/mips/linux.h: Likewise.
6351 * config/pj/pj.h: Likewise.
6352 * config/rs6000/linux.h: Likewise.
6353 * config/sparc/linux.h: Likewise.
6354 * config/sparc/linux64.h: Likewise.
6356 2001-07-20 Bruce Korb <bkorb@gnu.org>
6358 * fixinc/fixincl.c(test_for_changes): force unsigned char comparisons
6359 because getc() and char* may disagree on signedness.
6361 2001-07-20 Richard Henderson <rth@redhat.com>
6363 * doc/rtl.texi (REG_DEAD): Update for current semantics.
6365 * flow.c (try_redirect_by_replacing_jump): Correctly compute which
6366 insns to delete in the presence of cc0 in a jump insn.
6368 Fri Jul 20 22:14:49 CEST 2001 Roman Zippel <zippel@linux-m68k.org>
6369 Jan Hubicka <jh@suse.cz>
6371 * m68k.md (zero_extend?i?i2 expander): Use gen_lowpart instead
6372 of doing the change by hand.
6374 Fri Jul 20 21:59:42 CEST 2001 Jan Hubicka <jh@suse.cz>
6376 * rtlanal.c (set_noop_p): Return true for noop jumps.
6378 * expr.c (emit_single_push_insn): Add call to push expander.
6379 * expr.h (optab_index): Add OTI_push
6380 (push_optab): New constant.
6381 * genopinit.c (optabs): Add push_optab.
6382 * optabs.c (init_optab): Init push optab.
6383 * md.texi (push??1): Document
6385 2001-07-20 Stephane Carrez <Stephane.Carrez@worldnet.fr>
6387 * config/m68hc11/m68hc11.md ("movdi", "movdi_internal"): Use an
6388 expand to emit the pattern; put a REG_INC note for push/pop
6390 ("movdf", "movdf_internal"): Likewise.
6391 ("movsi", "movsi_internal"): Likewise.
6392 ("movsf", "movsf_internal"): Likewise.
6393 ("movhi", "movqi"): Emit a REG_INC note for push/pop instructions.
6395 2001-07-20 Stephane Carrez <Stephane.Carrez@worldnet.fr>
6397 * config/m68hc11/m68hc11.c (m68hc11_gen_highpart): Don't use
6400 2001-07-20 Daniel Berlin <dan@cgsoftware.com>
6402 * params.def: Change default max inline insns to 100.
6404 2001-07-20 Diego Novillo <dnovillo@redhat.com>
6406 * combine.c (combine_simplify_rtx): Generate a new shift operation
6407 when simplifying the first operand of a (neg (ashift)) expression.
6409 2001-07-20 Roman Lechtchinsky <rl@cs.tu-berlin.de>
6411 * regclass.c (N_REG_INTS): Use only 32 bits per element.
6413 2001-07-20 Kelley Cook <kelley.cook@home.com>
6415 * doc/install.texi (sparc-sun-solaris*): Add in 4.x assembler bug
6416 information. Move rest into ...
6417 (*-*-solaris): ... here. Eliminate redundant information and
6418 reword necessary packages section. Delete 4.x assembler bug info.
6419 (sparc-sun-*): Merge into ...
6420 (sparc-sun-sunos*): here.
6422 2001-07-20 Catherine Moore <clm@redhat.com>
6424 * config/v850/v850.md (casesi): Generate LABEL_REF
6427 Fri Jul 20 14:12:57 CEST 2001 Jan Hubicka <jh@suse.cz>
6429 * i386-protos.h (ix86_zero_extend_to_Pmode): Declare.
6430 * i386.c (ix86_zero_extend_to_Pmode): Make global.
6431 * i386.md (strclrsi expander): Use it.
6433 Fri Jul 20 13:24:16 CEST 2001 Jan Hubicka <jh@suse.cz>
6435 * integrate.c (copy_insn_list): handle
6436 NOTE_INSN_DELETED_LABEL, as if it were CODE_LABEL.
6437 (copy_rtx_and_substitute): Likewise; behave to NOTE_INSN_DELETED_LABEL
6438 identically as to CODE_LABEL.
6440 * fold-const (fold): Convert A/B/C to A/(B*C) and
6443 * except.c (connect_post_landing_pads): Delete the RESX insns.
6445 2001-07-20 Aldy Hernandez <aldyh@redhat.com>
6447 * config/mips/mips.h (ISA_HAS_NMADD_NMSUB): New macro.
6449 * config/mips/mips.md (nmadd/nmsub): Use macro.
6451 2001-07-20 Nathan Sidwell <nathan@codesourcery.com>
6453 * cppinit.c (remove_dup_dir): Make static.
6454 (remove_dup_dirs): Make static. Only warn about preempting a
6455 system directory with a non-system directory.
6457 2001-07-19 Geoffrey Keating <geoffk@redhat.com>
6459 * ifcvt.c (noce_try_store_flag_constants): Correct order
6460 of parameters to trunc_int_for_mode.
6462 2001-07-19 Mark Mitchell <mark@codesourcery.com>
6464 * reorg.c (fill_simple_delay_slots): If an instruction might throw
6465 an exception that will be caught within this function, do not fill
6466 its delay slot with any subsequent instruction.
6468 2001-07-19 Steve Ellcey <sje@cup.hp.com>
6470 * tm.texi (POINTERS_EXTEND_UNSIGNED) Modify definition.
6471 * optabs.c (can_extend_p) Check HAVE_ptr_extend for a specialized
6472 pointer extension instruction.
6473 * combine.c (nonzero_bits,num_sign_bit_copies) Likewise.
6474 * simplify-rtx.c (simplify_unary_operation) Likewise.
6475 * explow.c (convert_memory_address) Check value of
6476 POINTERS_EXTEND_UNSIGNED to avoid some conversions when
6478 * config/ia64/t-hpux (LIBGCC, INSTALL_LIBGCC, MULTILIB_OPTIONS,
6479 MULTILIB_DIRNAMES, MULTILIB_MATCHES) Add multilib support.
6480 * config/ia64/hpux.h (CPP_SPEC, ASM_SPEC, SUBTARGET_SWITCHES)
6481 Add Multilib Support.
6482 (POINTERS_EXTEND_UNSIGNED) Define for ILP32 support.
6483 * config/ia64/ia64.h (MASK_ILP32, TARGET_ILP32, SUBTARGET_SWITCHES)
6484 Add Multilib Support.
6485 (POINTER_SIZE, LONG_TYPE_SIZE, MAX_LONG_TYPE_SIZE) Modify for ILP32
6487 * config/ia64/ia64.c (rtx_needs_barrier) Add support for addp4.
6488 * config/ia64/ia64.md (ptr_extend) New instruction to "swizzle"
6489 a 32 bit HP-UX pointer into a 64 bit HP-UX pointer.
6491 2001-07-19 Alexandre Oliva <aoliva@redhat.com>
6493 * simplify-rtx.c (simplify_replace_rtx): Try to obtain mode from
6494 old and new operands in `<', `3' and `b'.
6496 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
6498 * Makefile.in (emit-rtl.o, c-decl.o): Depend on debug.h.
6499 (final.o): Don't depend on xcoffout.h, dbxout.h or sdbout.h.
6500 (toplev.o): Don't depend on xcoffout.h.
6501 * c-decl.c: Include debug.h
6502 (duplicate_decls): Use debug hook.
6503 * dbxout.c (dbxout_source_file, dbxout_args): Make static.
6504 (dbx_debug_hooks, xcoff_debug_hooks): Update.
6505 (dbxout_types): Remove.
6506 * dbxout.h (dbxout_source_file, dbxout_types, dbxout_args): Remove.
6507 * debug.c (do_nothing_debug_hooks): Update.
6508 (debug_true_tree, debug_nothing_rtx): New.
6509 * debug.h (struct rtx_def): New.
6510 (struct gcc_debug_hooks): New hooks ignore_block,
6511 outlining_inline_function and label.
6512 (debug_true_tree, debug_nothing_rtx, dwarf2out_frame_init,
6513 dwarf2out_frame_finish): New.
6514 * dwarf2out.c (dwarf2out_ignore_block, dwarf2out_abstract_function):
6515 Make static, update prototype.
6516 (dwarf2_debug_hooks): Update.
6517 * dwarf2out.h (dwarf2out_ignore_block, dwarf2out_abstract_function,
6518 dwarf2out_frame_init, dwarf2out_frame_finish): Remove.
6519 * dwarfout.c (dwarf_debug_hooks): Update.
6520 * emit-rtl.c: Include debug.h.
6521 (remove_unnecessary_notes): Use debug hook.
6522 * final.c: Don't include dbxout.h, xcoffout.h or sdbout.h.
6523 (final_scan_insn): Use debug hook.
6524 * integrate.c (output_inline_function): Use debug hook.
6525 * sdbout.c (sdbout_toplevel_data, sdbout_label): Make static.
6526 (sdb_debug_hooks): Update.
6527 * sdbout.h (sdbout_label, sdbout_toplevel_data): Remove.
6528 * toplev.c: Don't include xcoffout.h.
6529 (note_outlining_of_inline_function, debug_ignore_block): Remove.
6530 * toplev.h (note_outlining_of_inline_function, debug_ignore_block):
6532 * tree.h (dwarf2out_do_frame): Remove.
6534 2001-07-19 Catherine Moore <clm@cygnus.com>
6536 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Restore.
6538 2001-07-19 Geoffrey Keating <geoffk@redhat.com>
6540 * reload1.c (eliminate_regs_in_insn): When updating a set
6541 to the frame pointer to the hardware frame pointer, perform
6542 the update always not just when REPLACE is set.
6544 * reload1.c (choose_reload_regs): Don't inherit a reload
6545 that crosses multiple registers if registers past the first
6546 don't fit in the desired class.
6548 * ifcvt.c (noce_try_store_flag_constants): Use trunc_int_for_mode
6549 when negating constants.
6551 2001-07-19 Toon Moene <toon@moene.indiv.nluug.nl>
6553 * tree.def: Document restriction on {L|R}SHIFT_EXPR's second argument.
6554 * doc/tree.texi: Ditto.
6556 2001-07-19 Mark Kettenis <kettenis@wins.uva.nl>
6557 Jakub Jelinek <jakub@redhat.com>
6559 * unwind-dw2.c (_Unwind_FrameState): Add eh_ptr.
6560 (extract_cie_info): Handle "eh" augmentation properly,
6562 (struct frame_state, __frame_state_for): New.
6564 2001-07-19 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6566 * config/alpha/osf.h (ASM_OUTPUT_WEAK_ALIAS, ASM_WEAKEN_LABEL,
6567 HANDLE_SYSV_PRAGMA): Define.
6568 * mips-tfile.c (add_ext_symbol): Pass complete symbol ptr, inline
6570 (copy_object): Caller changed.
6572 2001-07-19 Andreas Schwab <schwab@suse.de>
6574 * configure.in (assembler dwarf2 debug_line support): Define nop
6576 * configure: Regenerated.
6578 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
6580 * Makefile.in (toplev.o, dwarfout.o, final.o): Don't depend on
6582 * dbxout.c (dbxout_function): Rename dbxout_funciton_decl, move
6583 to conditionally compiled block.
6584 (dbx_debug_hooks, xcoff_debug_hooks): Update.
6585 * dbxout.h (dbxout_function): Remove.
6586 * debug.c (do_nothing_debug_hooks): Update.
6587 * debug.h (struct gcc_debug_hooks): New hooks function_decl,
6588 global_decl, deferred_inline_function.
6589 * dwarf2out.c (dwarf2_debug_hooks): Update.
6590 (dwarf2out_global_decl): New.
6591 * dwarfout.c: Don't include dwarfout.h.
6592 (dwarfout_global_decl, dwarfout_function_decl,
6593 dwarfout_deferred_inline_function): New.
6594 (dwarf_debug_hooks): Update.
6595 * dwarfout.h: Remove.
6596 * final.c: Don't include dwarfout.h.
6597 * sdbout.c (sdbout_global_decl): New.
6598 (sdbout_debug_hooks): Update.
6599 * toplev.c: Don't include dwarfout.h.
6600 (check_global_declarations, rest_of_compilation): Use new debug hooks.
6601 (note_deferral_of_defined_inline_function): Remove.
6602 * toplev.h (note_deferral_of_defined_inline_function): Remove.
6603 * ch/Makefile.in (lex.o): No dependence on dwarfout.h.
6604 * ch/lex.c: Don't include dwarfout.h.
6605 * cp/Make-lang.in (decl2.o): No dependence on dwarfout.h, dwarf2out.h.
6606 (semantics.o, optimize.o): Depend on debug.h not dwarfout.h.
6607 * cp/decl2.c: Don't include dwarfout.h and dwarf2out.h.
6608 * cp/optimize.c: Include debug.h.
6609 (maybe_clone_body): Use debug hook.
6610 * cp/semantics.c: Include debug.h.
6611 (expand_body): Use debug hook.
6612 * po/POTFILES.in: Remove dwarfout.h.
6614 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
6616 * c-lex.c (c_lex): Remove CPP_INT, CPP_FLOAT cases.
6617 * c-parse.in (yyerror, _yylex): Similarly.
6618 * cppexp.c (parse_number, parse_defined, lex, _cpp_parse_expr):
6619 Don't use CPP_INT, CPP_FLOAT; CPP_NUMBER is enough.
6621 * cpplib.h (CPP_INT, CPP_FLOAT): Remove.
6622 * cp/spew.c (read_token, yyerror): Remove CPP_INT, CPP_FLOAT cases.
6624 2001-07-18 Jeff Sturm <jsturm@one-point.com>
6626 * dwarf2out.c (dwarf2out_abstract_function): Don't emit
6627 in-class declaration at -g1. Fixes c++/2814.
6629 2001-07-18 Richard Henderson <rth@redhat.com>
6631 * doc/md.texi (reload_in/out): Document restrictions in predicates
6632 and constraints for these patterns. Document empty string matching
6635 2001-07-18 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6637 * defaults.h (ASM_OUTPUT_WEAK_ALIAS): Check for ASM_WEAKEN_LABEL.
6639 Wed Jul 18 20:47:36 CEST 2001 Jan Hubicka <jh@suse.cz>
6641 * cse.c: Undo my previous patch.
6643 2001-07-18 Tom Tromey <tromey@redhat.com>
6646 * configure: Rebuilt.
6647 * configure.in: Don't check for iconv.h or iconv(); use AM_ICONV
6649 * aclocal.m4 (AM_ICONV): New macro from Bruno Haible.
6651 Wed Jul 18 18:46:30 CEST 2001 Richard Henderson <rth@cygnus.com>
6652 Jan Hubicka <jh@suse.cz>
6654 * flow.c (redirect_edge_and_branch): Bail out on complex edges.
6655 (try_optimize_cfg): Do not remove tail recursive labels before sibcall.
6656 * jump.c (mark_jump_label): Do not forward branches.
6658 Wed Jul 18 18:35:01 CEST 2001 Jan Hubicka <jh@suse.cz>
6660 * cse.c (delete_trivially_dead_insns): Delete the libcall block
6661 when return value is unused.
6663 Wed Jul 18 18:28:16 CEST 2001 Jan Hubicka <jh@suse.cz>
6665 * gcse.c (pre_insert_copy_insn): Call update_ld_motion_stores.
6667 Wed Jul 18 12:05:29 2001 Nicola Pero <n.pero@mi.flashnet.it>
6669 * gthr-posix.h (__gthread_objc_mutex_trylock): Fixed return value
6670 on error. We can't blindly return the result of
6671 pthread_mutex_trylock because it returns a positive number on
6672 error, while we must return -1 on error.
6673 (__gthread_objc_mutex_lock, __gthread_objc_mutex_unlock): Similar
6675 Reported by Stephen Brandon <stephen@brandonitconsulting.co.uk>.
6677 2001-07-18 Andreas Jaeger <aj@suse.de>
6679 * integrate.c (output_inline_function): Correct type of debug_hooks.
6681 2001-07-18 Toon Moene <toon@moene.indiv.nluug.nl>
6683 * combine.c (combine_simplify_rtx): DIV can be treated
6684 associatively for floats if unsafe math optimisations are enabled.
6686 2001-07-17 Richard Henderson <rth@redhat.com>
6688 * reload.c (push_secondary_reload): Accept empty-string for ALL_REGS.
6690 2001-07-17 Richard Henderson <rth@redhat.com>
6692 * calls.c (prepare_call_address): New parameter SIBCALLP. If true,
6693 don't force the function address into a register.
6694 (expand_call, emit_library_call_value_1): Update callers.
6695 * builtins.c (expand_builtin_apply): Likewise.
6696 * expr.h (prepare_call_address): Update decl.
6698 2001-07-17 Chandrakala Chavva <cchavva@redhat.com>
6700 * config.gcc: For *-*-chorusos triplet, get chorus.h file from
6702 * config/i386/chorus.h: Move up.
6703 * config/sparc/chorus.h: Likewise.
6704 * config/rs6000/chorus.h: Likewise.
6705 * config/chorus.h: Moved here.
6707 2001-07-17 Andreas Schwab <schwab@suse.de>
6709 * configure.in (assembler eh_frame optimization): Handle big
6711 * configure: Regenerated.
6713 Tue Jul 17 23:43:31 CEST 2001 Jan Hubicka <jh@suse.cz>
6715 * expr.c (epxand_expr): Convert divisions into multiplications by
6716 reciprocals if -ffast-math.
6718 2001-07-17 Neil Booth <neil@daikokuya.demon.co.uk>
6720 * dbxout.c (dbxout_really_begin_function): Rename to
6721 dbxout_begin_function.
6722 (dbx_debug_hooks, xcoff_debug_hooks): Update.
6723 (dbxout_begin_function): Remove.
6724 (dbxout_function): Update.
6725 (dbxout_source_line): Update prototype.
6726 * dbxout.h (dbxout_begin_function): Remove.
6727 * debug.c (do_nothing_debug_hooks): Update.
6728 (debug_nothing_tree): Update.
6729 (debug_nothing_charstar_rtx): Remove.
6730 * debug.h (union tree_node): Declare.
6731 (struct rtx_def): Remove.
6732 (gcc_debug_hooks): New hooks begin_prologue, end_prologue,
6733 begin_function. Change source_line prototype.
6734 (debug_nothing_tree): New.
6735 (debug_nothing_charstar_rtx): Delete.
6736 (dwarf2out_begin_prologue): Moved from ...
6738 * dwarf2out.c (dwarf2_debug_hooks): Update.
6739 (dwarf2out_begin_prologue): Update prototype. If genuine dwarf2
6740 debug info, call dwarf2out_source_line.
6741 (dwarf2out_souce_line): Update prototype.
6742 * dwarfout.c (dwarfout_begin_function): Rename dwarfout_end_prologue.
6743 Change prototype, make static.
6744 (dwarfout_source_line): Update prototype.
6745 (dwarf_debug_hooks): Update.
6746 * dwarfout.h (dwarfout_begin_function): Remove.
6747 * final.c (final_start_function, final_scan_insn): Use appropriate
6748 debug hooks, update to use notice_source_line.
6749 (output_source_line): Rename notice_source_line. Don't call the
6750 source_line debug hook.
6751 * sdbout.c (sdbout_begin_function): Rename sdbout_begin_prologue,
6752 make static, update prototype.
6753 (sdbout_mark_begin_function): Rename sdbout_begin_function, update
6755 (sdbout_end_prologue): New.
6756 (sdbout_source_line): Update prototype.
6757 (sdbout_debug_hooks): Update.
6758 (sdbout_symbol): Remove unused var.
6759 * sdbout.h (sdbout_begin_function, sdbout_mark_begin_function):
6761 * varasm.c: Include debug.h.
6762 (assemble_start_function): Use begin_function debug_hook.
6763 * xcoffout.c (xcoffout_begin_prologue): Rename xcoffout_begin_function,
6764 update with prototype.
6765 (xcoffout_source_line): Update prototype.
6766 * xcoffout.h (xcoffout_begin_prologue): Rename xcoffout_begin_function,
6768 (xcoffout_source_line): Update prototype.
6770 2001-07-17 Richard Henderson <rth@redhat.com>
6772 * c-typeck.c (build_binary_op): Do not shorten unsigned
6773 right shift after sign extension.
6775 Tue Jul 17 16:56:05 CEST 2001 Jan Hubicka <jh@suse.cz>
6777 * combine.c (combine_simplify_rtx): Attempt to simplify
6778 a*(b/c) as (a*b)/c for floats in unsafe_math mode.
6780 * simplify-rtx.c (avoid_constatn_pool_reference): New static function.
6781 (simplify_binary_operation, simplify_unary_operation,
6782 simplify_relational_operation): Use it.
6784 * combine.c (combine_simplify_rtx): Don't do associative law
6785 on divisions; allow associative law on floats.
6787 2001-07-17 H.J. Lu <hjl@gnu.org>
6788 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6790 * c-pragma.h (HANDLE_PRAGMA_WEAK): Define iff ASM_WEAKEN_LABEL and
6791 ASM_OUTPUT_WEAK_ALIAS are defined.
6792 * defaults.h (ASM_OUTPUT_WEAK_ALIAS): Define if possible.
6793 * config/mips/iris6.h (ASM_OUTPUT_WEAK_ALIAS, ASM_WEAKEN_LABEL):
6795 * config/mips/iris5.h: ... here.
6796 (HANDLE_SYSV_PRAGMA): Defined as 1.
6797 * varasm.c (weak_finish): Use ASM_OUTPUT_WEAK_ALIAS.
6798 * doc/tm.texi (ASM_OUTPUT_WEAK_ALIAS): Support the undefined weak
6801 2001-07-17 Joseph S. Myers <jsm28@cam.ac.uk>
6803 * c-parse.in (all_prefix_attributes): New variable.
6804 (PUSH_DECLSPEC_STACK, POP_DECLSPEC_STACK): New macros.
6805 (maybe_resetattrs): New production.
6806 (c_parse_init, datadef, fndef, datadecl, setspecs, setattrs, decl,
6807 maybe_type_quals_setattrs, initdecls, notype_initdecls, initdcl,
6808 notype_initdcl, nested_function, notype_nested_function,
6809 component_decl, components, components_notype,
6810 component_declarator, component_notype_declarator,
6811 absdcl_maybe_attribute, parm, firstparm, setspecs_fp, ivar_decl,
6812 ivars, mydecl, myparm): Update. Avoid prefix attributes just
6813 after a comma being applied to more than one declarator.
6814 * doc/extend.texi (Attribute Syntax): Update. Remove
6815 documentation of bugs that are no longer present.
6817 2001-07-13 Eric Christopher <echristo@redhat.com>
6819 * config/mips/mips.h: Change TUNE_MIPS* options to use
6821 (EXTRA_SPECS): Add cc1_cpu_spec.
6822 * config/mips/mips.md (muldf3): Fix typo.
6824 2001-07-16 Richard Henderson <rth@redhat.com>
6826 * config/m68k/m68k.c: Include expr.h and reload.h.
6827 (print_operand_address) [16 bit int]: Cast INTVAL to int for %d.
6828 [general int]: Use HOST_WIDE_INT_PRINT_DEC.
6830 2001-07-16 Daniel Berlin <dan@cgsoftware.com>
6831 Richard Henderson <rth@redhat.com>
6833 * cse.c (set_live_p): Take INSN argument for cc0; update callers.
6834 (insn_live_p): Fix fall off end of function.
6835 (dead_libcall_p): Remove COUNTS argument; update callers.
6836 (delete_trivially_dead_insns): Remove unused variables.
6838 2001-07-17 Andreas Jaeger <aj@suse.de>
6840 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Fix output format for
6843 * lcm.c (optimize_mode_switching): Avoid warning for unused
6844 variable if !NORMAL_MODE.
6846 * flow.c (try_crossjump_to_edge): Remove unused variable.
6848 2001-07-16 John David Anglin <dave@hiauly1.hia.nrc.ca>
6850 * inclhack.def (ultrix_atexit_param): New hack to fix ultrix 4.3
6851 atexit declaration in stdlib.h.
6853 2001-07-16 Richard Begg <Richard.Begg@colesmyer.com.au>
6855 * fixinc/inclhack.def(hpux_vsnprintf): brokenness in stdio.h
6857 Mon Jul 16 22:48:00 CEST 2001 Jan Hubicka <jh@suse.cz>
6859 * basic-block.h (CLEANUP_PRE_SIBCALL): New constant.
6860 * except.c (finish_eh_generation): Update call of cleanup_cfg;
6861 do rebuild_jump_labels instead of jump_optimize
6862 * sibcall.c (optimize_sibling_and_tail_recursive_call): Likewise.
6863 * toplev.c (rest_of_compulation): Likewise for -Wreturn_type.
6864 * flow.c (try_optimize_cfg): Remove unneeded code_labels.
6866 * flow.c: Include timevar.h
6867 (find_basic_block): Push/pop timevar;
6868 (cleanup_cfg): Likewise.
6869 * timevar.def (TV_CFG, TV_CLEANUP_CFG): New.
6870 * Makefile: Add dependencies on timevar.h
6872 * integrate.c (save_for_inline): Kill all BASIC_BLOCK notes.
6873 (copy_insn_list): Avoid killing of BASIC_BLOCK notes.
6875 * rtl.h (delete_trivially_dead_insns): Add new parameter.
6876 * toplev.c (rest_of_compilation): Update calls.
6877 * cse.c (set_live_p, insn_live_p, dead_libcall_p): Break out from ...
6878 (delete_trivially_dead_insns): ... here; accept new argument
6879 preserve_basic_blocks; preserve basic blocks if set.
6881 * reg-stack.c (stack_regs_mentioned): Return 0 if
6882 stack_regs_mentioned_data is not initialized.
6883 (reg_to_stack): Make stack_regs_mentioned survive after the
6884 reg-stack is completted; do not call cleanup_cfg.
6885 * toplev.c (rest_of_compilation): Do cleanup_cfg before bb-reorder;
6886 make cleanup_cfg after bb-reorder to output to debug file.
6888 2001-07-16 Richard Henderson <rth@redhat.com>
6890 * regclass.c (init_reg_sets): Use only 32 bits per initializer
6891 from int_reg_class_contents.
6893 2001-07-16 Richard Henderson <rth@redhat.com>
6895 * hard-reg-set.h (regs_invalidated_by_call): Declare.
6896 * regclass.c (regs_invalidated_by_call): Move from cse.c.
6897 (init_reg_sets_1): Move initialization from cse_main.
6898 * cse.c (regs_invalidated_by_call): Move to regclass.c.
6899 (cse_main): Move its initialization also.
6900 * df.c (df_insn_refs_record): Use regs_invalidated_by_call.
6901 * flow.c (propagate_one_insn): Likewise.
6902 * gcse.c (compute_hash_table): Likewise.
6903 (compute_kill_rd, compute_store_table): Likewise.
6904 * sched-deps.c (sched_analyze_1): Likewise.
6906 Mon Jul 16 18:07:07 2001 J"orn Rennecke <amylaar@redhat.com>
6908 * gcse.c (pre_insert_copy_insn): Use gen_move_insn instead of
6911 2001-07-16 Steve Ellcey <sje@cup.hp.com>
6913 * dominance.c (calc_dfs_tree_nonrec): Reverse order of tests
6914 in if statement so we don't access undefined memory.
6916 2001-07-16 Daniel Berlin <dan@cgsoftware.com>
6918 * gcse.c: Update comment at top.
6919 Update comment on mem handling.
6920 mem_last_set, mem_first_set, mem_set_in_block: gone.
6921 Declaration of reg_set_info: gone.
6922 (oprs_unchanged_p): Don't use mem_*set_* anymore. They are
6923 pointless with load_killed_in_block_p (they are *more*
6924 conservative then it, not less, and less accurate).
6925 (oprs_not_set_p): Ditto.
6926 (alloc_gcse_mem): Don't allocate mem_set_in_block
6927 (free_gcse_mem): Don't free it, either.
6928 (record_last_mem_set_info): Update comment in front, remove
6929 mem_*set_* stuff. Note the reason we don't handle stores directly
6931 (compute_hash_table): Update comments to reflect reality. Remove
6932 mem_*set_* references.
6933 (reset_opr_set_tables): Remove mem_*set_* references.
6935 (mark_set): Ditto. Also remove double sets of bitmaps for REG's.
6936 (mark_clobber): Ditto (on both parts, we double set here too).
6937 (expr_killed_p): Remove mem_set_in_block test.
6938 (compute_transp): Remove mem_set_in_block test.
6940 * ssa-ccp.c: (optimize_unexecutable_edges): Add note about removal
6941 of edge, and removal of phi alternative to dump file.
6942 (ssa_ccp_substitute_constants): Add note about register now being
6943 constant, and which uses were replaced in what insns to dump file.
6945 2001-07-16 Andreas Jaeger <aj@suse.de>
6947 * gcov.c (output_data): Use HOST_WIDEST_INT_PRINT_DEC to output
6948 variables of type HOST_WIDEST_INT.
6950 * libgcc2.c (__bb_exit_func): Handle gcov_type as long long.
6951 (__bb_exit_func): Correct type of count_max to avoid overflow.
6952 (num_digits): Handle long long argument.
6954 * combine.c (gen_lowpart_for_combine): Remove unused variable.
6956 2001-07-16 Neil Booth <neil@cat.daikokuya.demon.co.uk>
6958 * output.h (sdb_begin_function_line): Restore as an extern
6960 * sdbout.c (sdb_begin_function_line): Make extern.
6962 2001-07-15 Richard Henderson <rth@redhat.com>
6964 * machmode.def (Pmode): Redefine if GENERATOR_FILE.
6965 * genrecog.c (maybe_both_true_mode): New.
6966 (maybe_both_true_2): Use it.
6967 (write_switch): Don't put Pmode in a switch.
6968 * rtl.c (mode arrays): Don't explicitly size them.
6970 Sun Jul 15 14:07:36 CEST 2001 Jan Hubicka <jh@suse.cz>
6972 * toplev.c (rest_of_compilation): Fix register_life_up_to_date
6973 handling; move unconditional splitting before mode switching.
6975 * i386.md (type): Add fistp type.
6976 (i387, length_attr, scheduling definitions): Handle this type.
6977 (fix_trunc?f?i2): Revamp to use mode switching.
6978 (fix_trunct?f?i_nonmemory, fix_trunc?f?i_memory): New patterns.
6979 * i386.h (fp_cw_mode): New enum
6980 (OPTIMIZE_MODE_SWITCHING, NUM_MODES_FOR_MODE_SWITCHING, MODE_NEEDED,
6981 MODE_PRIORITY_TO_MODE, ENUM_MODE_SET): New macros.
6983 Sun Jul 15 12:53:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6985 * Makefile.in (integrate.o): Add debug.h.
6986 * integrate.c (debug.h): Add.
6987 (output_inline_function): Save, reset, and restore debug_hooks.
6989 2001-07-15 Richard Henderson <rth@redhat.com>
6991 * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use CCmode
6992 instead of COMPARE for the EQUIV expression.
6994 2001-07-15 Richard Henderson <rth@redhat.com>
6996 * flow.c (redirect_edge_and_branch_force): Initialize
6997 global_live_at_start and global_live_at_end.
6998 (allocate_bb_life_data): Export.
6999 * basic-block.h (allocate_bb_life_data): Declare.
7000 * toplev.c (rest_of_compilation): Call it.
7002 2001-07-15 Richard Henderson <rth@redhat.com>
7004 * config/alpha/alpha.c (alpha_tablejump_addr_vec): New.
7005 (alpha_tablejump_best_label): New.
7006 * config/alpha/alpha-protos.h: Declare them.
7007 * config/alpha/alpha.md: Use braced strings for code blocks.
7008 (tablejump_osf): Break out add with r29.
7009 (tablejump_osf_internal): Remove.
7010 (tablejump_osf_nt_internal): Rename from tablejump_nt_internal,
7011 use alpha_tablejump_addr_vec and alpha_tablejump_best_label.
7013 Sun Jul 15 00:53:35 CEST 2001 Jan Hubicka <jh@suse.cz>
7015 * loop.c (scan_loop): Add USEs inside PARALLELs into dependencies
7018 * toplev.c (rest_of_compilation): Allow new pseudoes for mode switching.
7020 * i386-protos.h (ix86_split_fp_branch): Update prototype.
7021 (ix86_fp_jump_nontrivial_p): New.
7022 * i386.md (fp_jcc_?): Update call of split_fp_branch;
7023 use ix86_fp_jump_nontrivial_p.
7024 * i386.c (ix86_fp_jump_nontrivial_p): New.
7025 (ix86_split_fp_branch): Accept code instead of rtx.
7026 (ix86_expand_compare): Expand comparison early in case
7027 doing so is resonably cheap.
7029 2001-07-15 Nick Clifton <nickc@cambridge.redhat.com>
7031 * config/rs6000/sysv4.h (CPP_ENDIAN_BIG_SPEC): Assert 'endian'
7033 (CPP_ENDIAN_LITTLE_SPEC): Assert 'endian' not 'machine'.
7034 (CPP_ENDIAN_SOLARIS_SPEC): Assert 'endian' not 'machine'.
7036 2001-07-15 Neil Booth <neil@daikokuya.demon.co.uk>
7038 * dbxout.c (dbxout_source_line): Make static, update prototype.
7039 (dbx_debug_hooks, xcoff_debug_hooks): Add new hooks.
7040 (dbxout_init, dbxout_finish, dbxout_source_line,
7041 dbxout_begin_block, dbxout_end_block): Update for new prototypes.
7042 * dbxout.h (dbxout_source_line): Delete.
7043 * debug.c (debug_nothing_file, debug_nothing_file_int,
7044 debug_nothing_file_charstar_rtx): New.
7045 (do_nothing_debug_hooks): Update.
7046 (debug_nothing_void, debug_nothing_charstar_rtx,
7047 dwarf2out_end_epilogue): New.
7048 (debug_nothing_file_charstar, debug_nothing_file_int_int): Rename.
7049 * debug.h (struct rtx_def): Declare.
7050 (gcc_debug_hooks): New hooks source_line, end_epilogue
7052 (debug_nothing_void, debug_nothing_charstar_rtx,
7053 dwarf2out_end_epilogue): New.
7054 (debug_nothing_file_charstar, debug_nothing_file_int_int): Rename.
7055 * dwarf2out.c (dwarf2out_source_line): Make static, update prototype.
7056 (dwarf2_debug_hooks): Update.
7057 (dwarf2out_init, dwarf2out_finish, dwarf2out_source_line,
7058 dwarf2out_begin_block, dwarf2out_end_block): Update for new prototypes.
7059 * dwarf2out.h (dwarf2out_source_line): Remove.
7060 * dwarfout.c (dwarfout_end_epilogue, dwarfout_end_function):
7061 Make static, update prototype.
7062 (dwarfout_init, dwarfout_finish, dwarfout_source_line,
7063 dwarfout_begin_block, dwarfout_end_block): Update for new prototypes.
7064 (dwarf_debug_hooks): Update.
7065 * dwarfout.h (dwarfout_end_epilogue, dwarfout_source_line,
7066 dwarfout_end_function): Remove.
7067 * final.c (profile_function): Use debug hooks for ending functions
7069 (output_source_line, final_end_function): Update prototype,
7071 (final_start_function, final_scan_insn): Update.
7072 * output.h (sdb_begin_function_line): Remove.
7073 (final_end_function): Update prototype.
7074 * sdbout.c (sdb_begin_function_line): Make static.
7075 (PUT_SDB_EPILOGUE_END): Move to sdbout_end_epilogue.
7076 (sdbout_source_line): New.
7077 (sdbout_end_epilogue, sdbout_end_function): Make static, update
7079 (sdb_debug_hooks): Update.
7080 (sdbout_init, sdbout_source_line,
7081 sdbout_begin_block, sdbout_end_block): Update for new prototypes.
7082 * sdbout.h (sdbout_end_epilogue, sdbout_end_function): Remove.
7083 * toplev.c (compile_file, rest_of_compilation): Update.
7084 * tree.h (dwarf2out_end_epilogue): Move to debug.h.
7085 * xcoffout.c (xcoffout_source_line, xcoffout_begin_block,
7086 xcoffout_end_block, xcoffout_end_epilogue, xcoffout_end_function):
7087 Update for prototype changes.
7088 * xcoffout.h (xcoffout_source_line, xcoffout_begin_block,
7089 xcoffout_end_block, xcoffout_end_epilogue): Update prototypes.
7091 2001-07-15 Richard Henderson <rth@redhat.com>
7093 * config/alpha/alpha.h (TARGET_ABI_OSF): New.
7094 (TARGET_ABI_WINDOWS_NT, TARGET_ABI_OPEN_VMS): Rename; update users.
7095 * config/alpha/alpha-protos.h: Update TARGET_ABI_* users.
7096 * config/alpha/alpha.c: Likewise.
7097 * config/alpha/alpha.md: Likewise.
7098 * config/alpha/alpha32.h: Likewise.
7099 * config/alpha/vms.h: Likewise.
7102 2001-07-14 Richard Henderson <rth@redhat.com>
7104 * config/alpha/alpha.md: Use define_constants for unspec values.
7105 Substitute throughout.
7107 2001-07-14 Tim Josling <tej@melbpc.org.au>
7109 * tree.def (EXPON_EXPR) remove. Never supported anyway.
7111 2001-07-14 John David Anglin <dave@hiauly1.hia.nrc.ca>
7113 * pa.md: Remove unused constraints from define_split's.
7115 2001-04-14 Richard Henderson <rth@redhat.com>
7117 * ifcvt.c (find_cond_trap): Test for exit block.
7119 Sun Jul 15 00:50:20 CEST 2001 Jan Hubicka <jh@suse.cz>
7121 Re-install recently reverted patch.
7122 * emit-rtl.c (try_split): Update mark_jump_label call.
7123 * flow.c (find_sub_basic_blocks): Likewise.
7124 * jump.c (cross_jump_death_matters, find_cross_jump, do_cross_jump,
7126 (mark_all_labels): Kill second parameter.
7127 (jump_optimize, jump_optimize_1): Kill cross_jump parameter.
7128 (rebuild_jump_labels, jump_optimize_minimal): Update call
7130 (jump_optimize_1): Kill crossjumping code.
7131 (mark_jump_label): Kill cross_jump parameter.
7132 * rtl.h (mark_jump_label, jump_optimize): Update prototypes.
7133 (JUMP_CROSS_JUMP, JUMP_CROSS_JUMP_DEATH_MATTERS): Kill.
7134 * reg-stack.c (reg_to_stack): Do not rebuild if not needed; do
7136 * toplev.c (enum dump_file_index): Kill DFI_jump2; put DFI_stack before
7138 (dump_file_info): Likewise.
7139 (rest_of_compilation): Update calls to jump_optimize; kill jump2 pass;
7140 reorganize passes to do reg-stack first, bb-reorder second.
7141 * invoke.texi (-d letters doc): Remove the jump2 pass.
7143 2001-07-14 Richard Henderson <rth@redhat.com>
7145 * ifcvt.c (find_cond_trap): New.
7146 (find_if_header): Call it.
7147 (merge_if_block): Relax existing jump sanity check.
7148 * jump.c (jump_optimize_1): Remove conditional trap handling.
7150 2001-07-14 Alan Modra <amodra@bigpond.net.au>
7152 * config/pa/pa.c (emit_hpdiv_const): Return reg is r2 for 64-bit
7154 (insn_refs_are_delayed): Correct comment.
7155 * config/pa/pa.h (INSN_REFERENCES_ARE_DELAYED): Likewise.
7156 * config/pa/pa.md (mulsi3): If TARGET_64BIT, clobber r2
7157 instead of r31. Make associated insn !TARGET_64BIT, and
7158 provide an additional 64-bit insn that clobbers r2.
7160 (udivsi3): Likewise.
7162 (umodsi3): Likewise.
7164 Sat Jul 14 02:58:38 CEST 2001 Jan Hubicka <jh@suse.cz>
7166 * bb-reorder.c (skip_insn_after_block): Get past the line number notes.
7168 * flow.c (redirect_edge_and_branch_force, split_edge,
7169 try_crossjump_to_edge): Use set_block_for_new_insns.
7170 * bb-reorder.c (emit_jump_to_block_after): Call set_block_for_new_insns.
7172 2001-07-13 H.J. Lu (hjl@gnu.org)
7174 * config/elfos.h (UNIQUE_SECTION): Enable .bss section with
7177 2001-07-13 Geoffrey Keating <geoffk@redhat.com>
7179 Revert H.J. Lu's UNIQUE_SECTION patch of 2001-07-13.
7181 2001-07-13 Joseph S. Myers <jsm28@cam.ac.uk>
7183 * c-common.c (decl_attributes): Take a pointer to the node to
7184 which attributes are to be attached, and a flags argument.
7185 * c-common.h (enum attribute_flags): New.
7186 (decl_attributes): Update prototype.
7187 * c-decl.c (start_decl, push_parm_decl, finish_struct,
7188 finish_enum, start_function): Update calls to decl_attributes.
7189 * c-parse.in (component_declarator, component_notype_declarator,
7190 label): Update calls to decl_attributes.
7192 Fri Jul 13 23:04:00 2001 Denis Chertykov <denisc@overta.ru>
7194 * config/avr/avr.md (strlenhi): PARALLEL keyword removed.
7195 * config/avr/avr.c (legitimate_address_p): Return value changed
7196 from letter to register classes. For better debugging.
7198 2001-07-13 Kazu Hirata <kazu@hxi.com>
7200 * jump.c (reversed_comparison_code_parts): Fix comment typos.
7202 2001-07-13 H.J. Lu (hjl@gnu.org)
7204 * config/elfos.h (UNIQUE_SECTION): Enable .bss section.
7206 2001-07-13 Marc Espie <espie@cvs.openbsd.org>
7208 * config.gcc (*-*-openbsd*): Add fragment to compile libgcc
7209 correctly for shared configurations.
7210 * config/t-libgcc-pic: New.
7211 * config/{i386,m68k,sparc}/t-openbsd: New.
7212 * config/openbsd.h: Include cpu_spec in cpp_spec where needed.
7213 Support -shared. Support debugging libraries with -g.
7214 * config/i386/openbsd.h: Correct ASM_COMMENT_START. Ensure dwarf2
7215 frame information does not emit pointer diffs.
7216 * config/sparc/openbsd.h: Ensure dwarf2 frame information does not
7219 2001-07-13 Geoffrey Keating <geoffk@redhat.com>
7221 Revert Jan Hubicka's patch of Fri Jul 13 14:46:21 CEST 2001.
7223 2001-07-13 David Edelsohn <edelsohn@gnu.org>
7225 * combine.c (try_combine): Ensure const_int pow2 is positive.
7227 2001-07-13 Hartmut Penner <hpenner@de.ibm.com>
7229 * config.gcc: Add configuration for s/390.
7230 * config/s390/s390.c: New. Subroutines for code generation.
7231 * config/s390/s390.h: New. Definitions for s/390.
7232 * config/s390/s390-protos.h: New. Prototypes.
7233 * config/s390/linux.h: New. Definitions for linux for s/390.
7234 * config/s390/linux64.h: New. Definitions for linux for zSeries.
7235 * config/s390/t-linux: New. Makefile fragment.
7236 * config/s390/s390.md: New. Machine description for s/390 and zSeries.
7237 * config/s390/fixdfdi.h: New. Fix L_fix*di.
7239 Fri Jul 13 14:46:21 CEST 2001 Jan Hubicka <jh@suse.cz>
7241 * emit-rtl.c (try_split): Update mark_jump_label call.
7242 * flow.c (find_sub_basic_blocks): Likewise.
7243 * jump.c (cross_jump_death_matters, find_cross_jump, do_cross_jump,
7245 (mark_all_labels): Kill second parameter.
7246 (jump_optimize, jump_optimize_1): Kill cross_jump parameter.
7247 (rebuild_jump_labels, jump_optimize_minimal): Update call
7249 (jump_optimize_1): Kill crossjumping code.
7250 (mark_jump_label): Kill cross_jump parameter.
7251 * rtl.h (mark_jump_label, jump_optimize): Update prototypes.
7252 (JUMP_CROSS_JUMP, JUMP_CROSS_JUMP_DEATH_MATTERS): Kill.
7253 * reg-stack.c (reg_to_stack): Do not rebuild if not needed; do
7255 * toplev.c (enum dump_file_index): Kill DFI_jump2; put DFI_stack before
7257 (rest_of_compilation): Update calls to jump_optimize; kill jump2 pass;
7258 reorganize passes to do reg-stack first, bb-reorder second.
7259 * invoke.texi (-d letters doc): Remove the jump2 pass.
7261 2001-07-12 Steve Ellcey <sje@cup.hp.com>
7263 * toplev.c (compile_file): Put call of ASM_FILE_START inside ifdef.
7265 Thu Jul 12 17:57:16 CEST 2001 Jan Hubicka <jh@suse.cz>
7267 * flow.c (try_optimize_cfg): Delete whole chain of trivially dead
7269 (verify_flow_info): Make diagnostics prettier.
7271 Thu Jul 12 16:48:54 CEST 2001 Jan Hubicka <jh@suse.cz>
7273 * flow.c (find_basic_blocks_1): Do not emit NOP after call.
7275 * flow.c (outgoing_edges_match): Return early if condition reversal
7278 2001-07-06 Richard Sandiford <rsandifo@redhat.com>
7280 * config/mips/mips.c (print_operand): Extend '%D' to memory operands.
7281 (mips_move_2words): When splitting a move into two instructions,
7282 prefix the second address operand with '%D'.
7284 2001-07-12 Neil Booth <neil@daikokuya.demon.co.uk>
7286 * Makefile.in (final.o): Depend on debug.h.
7287 * dbxout.c (dbxout_begin_block, dbxout_end_block): New.
7288 (dbx_debug_hooks): Add new hooks.
7289 (xcoff_debug_hooks): New.
7290 * debug.c (debug_nothing_file_int_int): New.
7291 (do_nothing_debug_hooks): Update.
7292 * debug.h (gcc_debug_hooks): New hooks begin_block and end_block.
7293 (debug_nothing_file_int_int): New.
7294 * dwarf2out.c (dwarf2out_begin_block, dwarf2out_end_block): Make
7295 static, update prototype.
7296 (dwarf2_debug_hooks): Update.
7297 * dwarf2out.h (dwarf2out_begin_block, dwarf2out_end_block): Remove.
7298 * dwarfout.c (dwarfout_begin_block, dwarfout_end_block): Make
7299 static, update prototype.
7300 (dwarf_debug_hooks): Update.
7301 * dwarfout.h (dwarfout_begin_block, dwarfout_end_block): Remove.
7302 * final.c: Include debug.h.
7303 (final_scan_insn): Use debug hooks when beginning and ending blocks.
7304 * sdbout.c (sdbout_begin_block, sdbout_end_block): Make
7305 static, update prototype.
7306 (sdb_debug_hooks): Update.
7307 * sdbout.h (sdbout_begin_block, sdbout_end_block): Remove.
7308 * toplev.c: Distinguish between xcoff and dbx.
7310 * f/lex.c (ffelex_file_pop_, ffelex_file_push_, ffelex_hash_):
7311 Call all debug hooks, not just dwarf ones.
7313 2001-07-11 Timothy Wall <twall@redhat.com>
7315 * config.gcc: Add configuration for AIX5/IA64.
7316 * config/ia64/aix.h: New. AIX5/IA64-specific configuration.
7317 * config/ia64/crt[in].asm: New. Generic static ctor/dtor
7318 support prefix/suffix code.
7319 * config/ia64/t-aix: New. Makefile fragment.
7320 * config/ia64/unwind-aix.c: New. Unwind table entry lookup.
7322 2001-07-11 Kazu Hirata <kazu@hxi.com>
7324 * recog.c (validate_change): Fix a comment typo.
7326 2001-07-11 Neil Booth <neil@daikokuya.demon.co.uk>
7328 * Makefile.in (c-lex.o): Wrap long lines. Depend on debug.h.
7329 * c-lex.c (cb_file_change, cb_define, cb_undef): Use debug
7331 * dbxout.c (dbx_debug_hooks): Add new hooks.
7332 (dbxout_start_new_source_file): Rename dbxout_start_source_file,
7334 (dbxout_resume_previous_source_file): Rename dbxout_end_source_file,
7336 * dbxout.h (dbxout_start_new_source_file,
7337 dbxout_resume_previous_source_file): Delete.
7338 * debug.c (do_nothing_debug_hooks): Add new hooks.
7339 (debug_nothing_init_finish): Rename debug_nothing_file_charstar.
7340 (debug_nothing_int_charstar, debug_nothing_int): New.
7341 * debug.h (gcc_debug_hooks): New hooks define, undef,
7342 start_source_file and end_source_file.
7343 (debug_nothing_init_finish): Rename debug_nothing_file_charstar.
7344 (debug_nothing_int_charstar, debug_nothing_int): New.
7345 * dwarf2out.c (dwarf2_debug_hooks): Add new hooks. Move into
7346 the conditionally compiled section.
7347 (dwarf2out_start_source_file, dwarf2out_end_source_file,
7348 dwarf2out_define, dwarf2out_undef): Make static.
7349 * dwarf2out.h (dwarf2out_start_source_file, dwarf2out_end_source_file,
7350 dwarf2out_define, dwarf2out_undef): Remove.
7351 * dwarfout.c (dwarf_debug_hooks): Add new hooks.
7352 (dwarfout_start_source_file, dwarfout_end_source_file,
7353 dwarfout_define, dwarfout_undef): Make static.
7354 (dwarfout_start_source_file_check,
7355 dwarfout_end_source_file_check): New.
7356 (dwarfout_define, dwarfout_finish): Update.
7357 * dwarfout.h (dwarfout_start_new_source_file,
7358 dwarfout_resume_previous_source_file, dwarfout_define,
7359 dwarfout_undef): Remove.
7360 * sdbout.c (sdb_debug_hooks): Add new hooks.
7361 (sdbout_start_new_source_file): Rename sdbout_start_source_file,
7363 (sdbout_resume_previous_source_file): Rename sdbout_end_source_file,
7364 make static, take an arg.
7365 * sdbout.h (sdbout_start_new_source_file,
7366 sdbout_resume_previous_source_file): Delete.
7367 * toplev.c (debug_start_source_file, debug_end_source_file,
7368 debug_define, debug_undef): Delete.
7369 * toplev.h (debug_start_source_file, debug_end_source_file,
7370 debug_define, debug_undef): Delete.
7372 * java/jcf-parse.c: Include debug.h.
7373 (parse_class_file): Update to use debug hooks directly.
7374 * java/Make-lang.in (jcf-parse.o): Depend on debug.h.
7376 Wed Jul 11 10:07:18 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7378 * alias.c (set_mem_alias_set): New function.
7379 * rtl.h (set_mem_alias_set): Declare it.
7380 * builtins.c (expand_builtin_return_addr): Call it instead of
7381 using MEM_ALIAS_SET accessor.
7382 (expand_builtin_setjmp_setup, expand_builtin_longjmp): Likewise.
7383 (get_memory_rtx, expand_builtin_va_arg): Likewise.
7384 (expand_builtin_va_copy):Likewise.
7385 * caller-save.c (setup_save_areas): Likewise.
7386 * calls.c (compute_argument_addresses): Likewise.
7387 * explow.c (set_mem_attributes): Likewise.
7388 * expr.c (emit_single_push_insn, emit_push_insn): Likewise.
7389 (expand_assignment, store_constructor_field, store_field): Likewise.
7390 (expand_expr_unaligned): Likewise.
7391 * function.c (assign_stack_temp_for_type): Likewise.
7392 (put_reg_into_stack, gen_mem_addressof): Likewise.
7393 * ifcvt.c (noce_try_cmove_arith): Likewise.
7394 * reload1.c (reload, alter_reg): Likewise.
7395 * config/alpha/alpha.c (get_aligned_mem): Likewise.
7396 (alpha_set_memflags_1, alpha_expand_unaligned_load): Likewise.
7397 (alpha_expand_unaligned_store): Likewise
7398 (alpha_expand_unaligned_load_words): Likewise.
7399 (alpha_expand_unaligned_store_words): Likewise.
7400 (alpha_expand_block_clear, alpha_expand_prologue): Likewise.
7401 (alpha_expand_epilogue): Likewise.
7402 * config/arc/arc.c (arc_setup_incoming_varargs): Likewise.
7403 * config/clipper/clipper.c (clipper_builtin_saveregs): Likewise.
7404 * config/i386/i386.c (legitimize_pic_address): Likewise.
7405 * config/i960/i960.c (setup_incoming_varargs): Likewise.
7406 * config/ia64/ia64.c (spill_restore_mem): Likewise.
7407 * config/m32r/m32r.c (m32r_setup_incoming_varargs): Likewise.
7408 * config/m8k/m88k.c (m88k_builtin_saveregs): Likewise.
7409 * config/mips/mips.c (mips_va_arg): Likewise.
7410 * config/mn10300/mn10300.c (mn10300_builtin_saveregs): Likewise.
7411 * config/pa/pa.c (hppa_builtin_saveregs): Likewise.
7412 * config/rs6000/rs6000.c (rs6000_emit_move): Likewise.
7413 (setup_incoming_varargs, rs6000_va_arg): Likewise.
7414 (rs6000_emit_eh_toc_restore, rs6000_emit_prologue): Likewise.
7415 (rs6000_emit_epilogue): Likewise.
7416 * config/sh/sh.c (sh_builtin_saveregs): Likewise.
7417 * config/sparc/sparc.c (sparc_va_arg): Likewise.
7418 * config/v850/v850.c (v850_va_arg): Likewise.
7420 Wed Jul 11 21:27:25 CEST 2001 Jan Hubicka <jh@suse.cz>
7422 * flow.c (merge_blocks_move_successor_nojumps): Do not crash
7423 when fallthru edge is present.
7424 (mege_blocks): Handle case where creation of jump insn
7427 * basic-block.h (CLEANUP_EXPENSIVE, CLEANUP_CROSSJUMP,
7428 CLEANUP_POST_REGSTACK): New constants.
7429 * except.c (finish_eh_generation): Update call of cleanup_cfg,
7430 * jump.c (rtx_renumbered_equal_p): Handle 't' fields.
7431 * output.h (cleanup_cfg): Update prototype.
7432 * reg-stack.c (reg_to_stack): Use cleanup_cfg instead of jump_optimize
7433 * sibcall.c (optimize_sibling_and_tail_recursive_call): Update
7434 cleanup_cfg call; kill missleading comment.
7435 * toplev.c (rest_of_compilation): Update all cleanup_cfg calls.
7436 * flow.c (merge_blocks, try_optimize_cfg, cleanup_cfg): Accept mode
7437 parameter; control optimizations performed using it.
7438 (flow_find_cross_jump, outgoing_edges_match, try_crossjump_to_edge,
7439 try_crossjump_bb): New functions.
7441 2001-07-11 John David Anglin <dave@hiauly1.hia.nrc.ca>
7443 * pa.c (pa_output_function_prologue): Delete prototype. Make function
7445 * pa.h (ASM_OUTPUT_MI_THUNK): Rename output_function_prologue to
7446 pa_output_function_prologue.
7447 * pa-protos.h (pa_output_function_prologue): New prototype.
7449 2001-07-11 John David Anglin <dave@hiauly1.hia.nrc.ca>
7451 * stmt.c (emit_case_nodes): Widen high and low instead of new_bound
7452 and low to get correct sign extension in low+high test.
7454 2001-07-11 Janis Johnson <janis@us.ibm.com>
7456 * gcov.c (arcdata): Use gcov_type to fix branch percentage
7457 for large hit count.
7459 * profile.c (branch_prob): Fix .bbg info for computed gotos
7462 2001-07-11 Mark Mitchell <mark@codesourcery.com>
7464 * stmt.c (parse_output_constraint): New function, split out
7466 (expand_asm_operands): ... here. Use parse_output_constraint.
7467 * tree.h (parse_output_constraint): Declare it.
7469 2001-07-11 Richard Henderson <rth@redhat.com>
7471 * bitmap.c: Comment some functions; fiddle whitespace.
7472 (bitmap_free): Don't export.
7473 (bitmap_element_allocate): Use memset.
7474 * bitmap.h (bitmap_free): Don't declare.
7476 2001-07-11 Daniel Berlin <dan@cgsoftware.com>
7478 * gcse.c, lcm.c, sched-deps.c:
7479 s/free on sbitmap vectors/sbitmap_vector_free on sbitmap vectors/g
7481 * flow.c (flow_loops_find): Free dom if we found no loops, since
7482 we aren't going to save it.
7484 * lcm.c (pre_edge_rev_lcm): Free st_antin, st_antout when we are
7487 Wed Jul 11 09:00:48 2001 Jeffrey A Law (law@cygnus.com)
7489 * ssa-ccp.c (ssa_fast_dce): Free worklist when completed.
7491 Wed Jul 11 10:07:18 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7493 * dwarf2out.c (dwarf2out_init, dwarf2out_finish): Add dummy version
7494 #ifndef DWARF2_DEBUGGING_INFO.
7496 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
7498 * simplify-rtx.c (simplify_gen_subreg): Return null for QUEUED rtxes.
7500 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
7502 * config/mips/mips.c (gen_int_relational): Tell the caller not to
7503 reverse a branch if a NE comparison is implemented with GTU.
7505 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
7506 H.J. Lu <hjl@gnu.org>
7508 * mips.md (call_internal1): Use CONSTANT_ADDRESS_P to check for
7510 (call_internal2): Likewise.
7511 (call_value_internal1): Likewise.
7512 (call_value_internal2): Likewise.
7513 (call_value_multiple_internal1): Likewise.
7514 (call_value_multiple_internal2): Likewise.
7516 2001-07-10 Kazu Hirata <kazu@hxi.com>
7518 * calls.c (emit_library_call_value_1): Fix a comment typo.
7519 * dwarf2out.c (mem_loc_descriptor): Likewise.
7520 * config/i386/i386.c (ix86_expand_aligntest): Likewise.
7522 2001-07-11 David Billinghurst <David.Billinghurst@riotinto.com>
7524 * simplify-rtx.c (simplify_subreg): Fix typo in comment
7526 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7528 * recog.c (offsettable_address_p): Handle LO_SUM case.
7529 * config/mips/mips.c (double_memory_operand): Use adjust_address_nv
7530 instead of plus_constant.
7532 2001-07-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
7534 * reload1.c (merge_assigned_reloads): After a RELOAD_OTHER merge,
7535 fix setting of the reloads of that reload to RELOAD_FOR_OTHER_ADDRESS.
7537 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7539 * config/rs6000/rs6000.c (print_operand, case 'L', 'Y', 'Z'): Use
7540 adjust_address_nv instead of plus_constant.
7542 2001-07-10 Neil Booth <neil@daikokuya.demon.co.uk>
7544 * Makefile.in (toplev.o, sdbout.o, dbxout.o, dwarfout.o,
7545 dwarf2out.o): Depend on debug.h, wrap long lines.
7546 * dbxout.c: Include debug.h.
7547 (dbx_debug_hooks): New.
7548 (dbxout_init): Make static, take just 2 args.
7549 (dbxout_finish): Make static.
7550 * dbxout.h (dbxout_init, dbxout_finish): Delete.
7551 * debug.c: New file.
7552 * debug.h: New file.
7553 * dwarf2out.c: Include debug.h.
7554 (dwarf2_debug_hooks): New.
7555 (dwarf2out_init): Make static.
7556 (dwarf2out_finish): Make static, take 2 args.
7557 * dwarf2out.h (dwarf2out_init, dwarf2out_finish): Delete.
7558 * dwarfout.c: Include debug.h.
7559 (dwarf_debug_hooks): New.
7560 (dwarfout_init): Make static.
7561 (dwarfout_finish): Make static, take 2 args.
7562 * dwarfout.h (dwarfout_init, dwarfout_finish): Delete.
7563 * sdbout.c: Include debug.h.
7564 (sdb_debug_hooks): New.
7565 (sdbout_init): Make static, take 2 args.
7566 * sdbout.h (sdbout_init): Delete.
7567 * toplev.c: Include debug.h.
7569 (compile_file): Set deubg_hooks based on command line options.
7570 Use the hooks unconditionally rather than conditional compilation.
7572 Tue Jul 10 09:04:45 2001 Jeffrey A Law (law@cygnus.com)
7574 * ssa-ccp.c (first_phi_node): Remove. Replace uses with calls to
7575 first_insn_after_basic_block_note instead.
7577 * df.c (df_bb_refs_unlink): #if 0 out for now.
7579 2001-07-10 David Billinghurst <David.Billinghurst@riotinto.com
7581 * ssa.h: Add prototype for ssa_const_prop
7582 * ssa-ccp.c: Add prototype for ssa_fast_dce and mark_references
7583 (ssa_ccp_substitute_constants): Fix signed vs unsigned comparison
7584 (ssa_fast_dce): Remove unused variable
7586 2001-07-10 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
7588 * diagnostic.c (finish_diagnostic): Rename to
7589 diagnostic_finish. Make it take an 'output_buffer *'. Adjust
7592 2001-07-10 Jason Merrill <jason_merrill@redhat.com>
7594 * dwarf2out.c (dwarf2out_line): Emit -dA comment even when we have
7597 * collect2.c (main): Set COLLECT_NO_DEMANGLE for subprocesses.
7598 (dump_file): Only pad the demangled name with spaces if the
7599 mangled name was padded with spaces.
7601 2001-07-10 Bernd Schmidt <bernds@redhat.com>
7603 * bb-reorder.c (make_reorder_chain_1): Correct branch/fallthru
7606 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7608 * expr.c (expand_expr, case COMPONENT_REF): Don't force using bitfield
7609 extraction if no direct load if either EXPAND_CONST_ADDRESS or
7612 * emit-rtl.c (adjust_address, adjust_address_nv): Change criteria for
7613 whether can put offset inside LO_SUM to check mode alignment, not size.
7615 2001-07-10 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
7617 * doc/tm.texi (Misc): Fix thinko.
7619 2001-07-10 Jan van Male <jan.vanmale@fenk.wau.nl>
7621 * regmove.c (replace_in_call_usage): Fix warnings.
7622 * sched-deps.c (add_dependence): Fix warnings.
7623 * simplify-rtx.c (simplify_subreg): Likewise.
7624 Return NULL_RTX instead of NULL.
7626 * reg-stack.c (emit_swap_insn): Eliminate warnings.
7627 (subst_asm_stack_regs): Likewise.
7629 * combine.c (num_sign_bit_copies): Cast bitwidth to int to avoid
7632 * dwarf2out.c (output_call_frame_info): Declare i as int.
7633 (build_abbrev_table): Declare n_alloc as int.
7634 (dwarf2out_finish): Initialize die.
7635 * except.c: Declare sjlj_funcdef_number as unsigned.
7636 (connect_post_landing_pads): Declare j as unsigned.
7637 (convert_to_eh_region_ranges): Initialize call_site.
7638 (output_function_exception_table): Initialize tt_format_size.
7639 * expr.c (move_by_pieces_1): Initialize to1.
7640 (store_constructor): Initialize minelt and maxelt.
7641 * flow.c (mark_regs_live_at_end): Declare i as unsigned.
7642 * function.c (instantiate_decls): Avoid signed/unsigned warning.
7644 * c-decl.c (combine_parm_decls): Unused, remove.
7645 * c-tree.h: Remove prototype for combine_parm_decls.
7647 * reload.c (push_reload): Fix warning.
7648 (regno_clobbered_p): Likewise.
7649 * reload1.c (replace_pseudos_in_call_usage): Likewise.
7650 (reload_combine): Likewise.
7652 * bitmap.c: Rename bitmap_zero to bitmap_zero_bits to fix warnings.
7653 * bitmap.h: Rename bitmap_zero to bitmap_zero_bits to fix
7655 * bitmap.c (bitmap_operation): Change user.
7656 * bitmap.h (EXECUTE_IF_AND_COMPL_IN_BITMAP): Likewise.
7658 2001-07-10 Eric Christopher <echristo@redhat.com>
7660 * config/mips/mips.c (override_options): Fix typo.
7662 2001-07-09 Stan Shebs <shebs@apple.com>
7664 * target.h (struct gcc_target): New fields init_builtins and
7666 * target-def.h (TARGET_INIT_BUILTINS): New macro.
7667 (TARGET_EXPAND_BUILTIN): New macro.
7668 (TARGET_INITIALIZER): Add them.
7669 * builtins.c: Include target.h.
7670 (expand_builtin): Use targetm.expand_builtin.
7671 (default_init_builtins): New function.
7672 (default_expand_builtin): New function.
7673 * expr.h (default_init_builtins): Declare.
7674 (default_expand_builtin): Declare.
7675 * c-common.c (c_common_nodes_and_builtins): Use
7676 targetm.init_builtins.
7677 * defaults.h (MD_INIT_BUILTINS): Remove.
7678 * Makefile.in (builtins.o): Depend on target.h.
7680 * config/arm/arm.c (TARGET_INIT_BUILTINS): Define.
7681 (TARGET_EXPAND_BUILTIN): Define.
7682 * config/arm/arm.h (MD_INIT_BUILTINS): Remove.
7683 (MD_EXPAND_BUILTIN): Remove.
7685 * config/c4x/c4x.c (TARGET_INIT_BUILTINS): Define.
7686 (TARGET_EXPAND_BUILTIN): Define.
7687 (c4x_init_builtins): Make endlink arg a local.
7688 (c4x_print_operand): Fix typos in adjust_address usages.
7689 * config/c4x/c4x-protos.h (c4x_init_builtins): Update decl.
7690 * config/c4x/c4x.h (MD_INIT_BUILTINS): Remove.
7691 (MD_EXPAND_BUILTIN): Remove.
7693 * config/i386/i386.c (TARGET_INIT_BUILTINS): Define.
7694 (TARGET_EXPAND_BUILTIN): Define.
7695 (ix86_init_mmx_sse_builtins): New function, was ix86_init_builtins.
7696 (ix86_init_builtins): Call new function only if TARGET_MMX.
7697 * config/i386/i386-protos.h (ix86_init_mmx_sse_builtins): Declare.
7698 * config/i386/i386.h (MD_INIT_BUILTINS): Remove.
7699 (MD_EXPAND_BUILTIN): Remove.
7701 * config/ia64/ia64.c (TARGET_INIT_BUILTINS): Define.
7702 (TARGET_EXPAND_BUILTIN): Define.
7703 * config/ia64/ia64.h (MD_INIT_BUILTINS): Remove.
7704 (MD_EXPAND_BUILTIN): Remove.
7706 * doc/tm.texi: Document these changes.
7708 2001-07-09 Diego Novillo <dnovillo@redhat.com>
7710 * basic-block.h (tree_node): Forward declare if needed.
7711 (struct basic_block_def): Add fields 'head_tree' and 'end_tree'.
7712 (BLOCK_HEAD_TREE): Define.
7713 (BLOCK_END_TREE): Define.
7714 (struct loops): Rename field 'tree' to 'tree_root'.
7715 * flow.c (entry_exit_blocks): Add initializers for 'head_tree' and
7717 (flow_loops_tree_build): Rename reference to field 'tree' to
7719 (flow_loops_level_compute): Ditto.
7720 * predict.c (estimate_bb_frequencies): Ditto.
7721 * tree.h (struct tree_common): Add field 'aux'.
7723 2001-07-09 Stan Shebs <shebs@apple.com>
7725 * config/darwin.c (darwin_encode_section_info): Don't mark any
7726 DECL_EXTERNAL node as defined.
7728 2001-07-09 John David Anglin <dave@hiauly1.hia.nrc.ca>
7730 * pa.c (pa_init_machine_status, pa_mark_machine_status,
7731 pa_free_machine_status, hppa_init_pic_save): Delete.
7732 (hppa_pic_save_rtx): New. Use get_hard_reg_initial_val.
7733 (hppa_profile_hook): Use hppa_pic_save_rtx.
7734 * pa.h (struct machine_function, PIC_OFFSET_TABLE_SAVE_RTX,
7735 hppa_init_pic_save): Delete.
7736 (hppa_pic_save_rtx): Declare.
7737 * pa.md (call, call_value, sibcall, sibcall_value,
7738 builtin_setjmp_receiver): Use hppa_pic_save_rtx.
7740 2001-07-09 Kazu Hirata <kazu@hxi.com>
7742 * config/h8300/t-h8300 (LIB1ASMFUNCS): Add _floatdisf and _fixsfdi.
7743 * config/mn10200/t-mn10200 (LIB1ASMFUNCS): Likewise.
7745 2001-07-09 Andreas Jaeger <aj@suse.de>
7747 * output.h: Add declaration of final_forward_branch_p.
7749 * config/i386/i386.c (output_fix_trunc): Remove unused variable.
7751 * varray.c: Include errors.h for internal_error and trim_filename
7754 * Makefile.in (varray.o): Add errors.h.
7756 2001-07-09 Toon Moene <toon@moene.indiv.nluug.nl>
7758 * expr.h: Adjust prototypes for have_add2_insn, have_sub2_insn.
7759 * optabs.c (have_add2_insn): Check whether the add insn chosen
7760 really accepts the operands. (have_sub2_insn): Ditto for sub insn.
7761 * reload1.c (reload_cse_move2add): Adjust calls of have_add2_insn.
7763 Mon Jul 9 13:26:40 2001 Jeffrey A Law (law@cygnus.com)
7765 * Makefile.in (OBJS): Add ssa-ccp.o
7766 (ssa-ccp.o): Add dependencies.
7767 * toplev.c (DFI_ssa_ccp): New dump file enum.
7768 (dump_file): Add entry for dumping after SSA CCP.
7769 (flag_ssa_ccp): New flag variable.
7770 (f_options): Add -fssa-ccp.
7771 (rest_of_compilation): Run SSA CCP if requested.
7772 * timevar.def (TV_SSA_CCP): New timevar.
7773 * ssa.c (mark_phi_and_copy_regs): Handle deleted PHI nodes.
7774 * doc/gcc.texi (Passes): Add documentation for SSA CCP pass.
7775 Fix minor typo in SSA DCE documentation.
7776 * doc/invoke.texi: Add documentation for new flag -fssa-ccp.
7777 Add documentation for new dump option. Renumber dump files
7780 Mon Jul 9 21:36:00 CEST 2001 Jan Hubicka <jh@suse.cz>
7782 * emit-rtl.c (gen_highpart_mode): New.
7783 * rtl.h (gen_highpart_mode): Declare.
7784 * sparc.md (insn splitters): Use gen_highpart_mode, whenever the
7785 operand can be VOIDmode constant.
7787 Mon Jul 9 17:23:10 CEST 2001 Jan Hubicka <jh@suse.cz>
7789 * flow.c (redirect_edge_and_branch_force): New.
7790 (can_fallthru): Ensure that basic blocks are succeeding.
7791 (try_optimize_cfg): Do not delete basic block if it is the last one.
7793 * flow.c (try_redirect_by_replacing_jump): Do not remove
7794 jumps with side effects, unlink chain on fallthru edge;
7795 set block for new jump instruction; avoid basic block to
7796 over by line number note.
7798 * flow.c (try_simplify_condjump): Verify that the condjump
7799 is not always falling trought.
7802 * flow.c (try_redirect_by_replacing_jump): Remove cc0 setter.
7804 * flow.c (forwarder_block_p): Fix for fallthru blocks.
7805 (try_redirect_by_replacing_jump): Update properly the count
7806 and frequency information.
7808 Mon Jul 9 06:41:07 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7810 * emit-rtl.c (adjust_address, adjust_address_nv): Handle an
7811 address that is a LO_SUM specially.
7812 * explow.c (plus_constant_wide, case LO_SUM): Deleted.
7814 * c-lang.c (start_cdtor): Remove extra parameter from start_function.
7816 * emit-rtl.c (adjust_address_nv, replace_equiv_address_nv): New fcns.
7817 (operand_subword): Use them.
7818 (change_address_1): Renamed from change_address; new arg VALIDATE.
7819 * expr.h: Reflect above changes; change_address now macro.
7820 * alias.c (canon_rtx): Use replace_equiv_address_nv instead of
7822 * cselib.c (add_mem_for_addr): Likewise.
7823 * expr.c (protect_from_queue, emit_move_insn_1): Likewise.
7824 * regmove.c (try_apply_stack_adjustment): Likewise.
7825 * reload.c (push_reload, make_memloc): Likewise.
7826 * reload1.c (eliminate_regs): Likewise.
7827 * simplify-rtx.c (simplify_replace_rtx): Likewise.
7828 * caller-save.c (setup_save_areas): Use adjust_address_nv instead of
7830 * combine.c (make_extraction, simplify_shift_const): Likewise.
7831 (gen_lowpart_for_combine): Likewise.
7832 * cse.c (gen_lowpart_if_possible): Likewise.
7833 * function.c (fixup_var_refs_1, purge_addressof_1): Likewise.
7834 * expr.c (expand_expr, case COMPONENT_REF): Likewise.
7835 * optabs.c (gen_move_insn): Likewise.
7836 * reload1.c (alter_reg): Likewise.
7837 * simplify-rtx.c (simplify_subreg): Likewise.
7838 * stmt.c (expand_anon_union_decl): Likewise.
7839 * recog.c (validate_replace_rtx_1): Likewise.
7841 * Makefile.in (recog.o): Add $(EXPR_H).
7842 * explow.c (stabilize): Call replace_equiv_address.
7843 * expr.c (move_by_pieces_1, store_by_pieces_2): Likewise.
7844 * final.c (alter_subreg): OFFSET is HOST_WIDE_INT.
7846 2001-07-03 Andrew Haley <aph@redhat.com>
7848 * expmed.c (store_fixed_bit_field): Don't use a mode bigger than
7849 the mode of the memory location.
7851 2001-07-09 Bo Thorsen <bo@suse.co.uk>
7853 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Fix x86-64 vtable support.
7855 2001-07-09 Neil Booth <neil@daikokuya.demon.co.uk>
7857 * final.c (output_addr_const): Use target opening and
7858 closing parentheses.
7859 * target-def.h: Define TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN
7860 defaults, add to TARGET_ASM_OUT.
7861 * target.h (struct gcc_target): Add open_paren and close_paren.
7862 * doc/md.texi: Update.
7863 * doc/tm.texi: Document TARGET_ASM_FUNCTION_END_PROLOGUE,
7864 TARGET_ASM_FUNCTION_BEGIN_EPILOGUE, TARGET_ASM_OPEN_PAREN and
7865 TARGET_ASM_CLOSE_PAREN.
7866 * config/i386/i386.c (TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN):
7868 * config/pdp11/pdp11.c (TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN):
7870 * config/1750a/1750a.h (ASM_OPEN_PAREN, ASM_CLOSE_PAREN): Remove.
7871 * config/a29k/a29k.h: Similarly.
7872 * config/alpha/alpha.h: Similarly.
7873 * config/arc/arc.h: Similarly.
7874 * config/arm/aof.h: Similarly.
7875 * config/arm/aout.h: Similarly.
7876 * config/avr/avr.h: Similarly.
7877 * config/c4x/c4x.h: Similarly.
7878 * config/clipper/clipper.h: Similarly.
7879 * config/convex/convex.h: Similarly.
7880 * config/d30v/d30v.h: Similarly.
7881 * config/dsp16xx/dsp16xx.h: Similarly.
7882 * config/elxsi/elxsi.h: Similarly.
7883 * config/fr30/fr30.h: Similarly.
7884 * config/h8300/h8300.h: Similarly.
7885 * config/i370/i370.h: Similarly.
7886 * config/i386/i386.h: Similarly.
7887 * config/i860/i860.h: Similarly.
7888 * config/i960/i960.h: Similarly.
7889 * config/ia64/ia64.h: Similarly.
7890 * config/m32r/m32r.h: Similarly.
7891 * config/m68hc11/m68hc11.h: Similarly.
7892 * config/m68k/m68k.h: Similarly.
7893 * config/m88k/m88k.h: Similarly.
7894 * config/mcore/mcore.h: Similarly.
7895 * config/mips/mips.h: Similarly.
7896 * config/mn10200/mn10200.h: Similarly.
7897 * config/mn10300/mn10300.h: Similarly.
7898 * config/ns32k/ns32k.h: Similarly.
7899 * config/pa/pa.h: Similarly.
7900 * config/pdp11/pdp11.h: Similarly.
7901 * config/pj/pj.h: Similarly.
7902 * config/romp/romp.h: Similarly.
7903 * config/rs6000/rs6000.h: Similarly.
7904 * config/sh/sh.h: Similarly.
7905 * config/sparc/sparc.h: Similarly.
7906 * config/v850/v850.h: Similarly.
7907 * config/vax/vax.h: Similarly.
7908 * config/we32k/we32k.h: Similarly.
7910 2001-07-09 Joseph S. Myers <jsm28@cam.ac.uk>
7912 * doc/c-tree.texi: Document representation of attributes.
7914 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
7916 * doc/tm.texi: Update some places for the rename of target to
7919 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
7921 * target.h (struct gcc_target): Add insert_attributes.
7922 * target-def.h (TARGET_INSERT_ATTRIBUTES): Define.
7923 (TARGET_INITIALIZER): Update.
7924 * tree.c, tree.h (default_insert_attributes): New function.
7925 Update comments on other default functions to refer to targetm,
7927 * doc/tm.texi (INSERT_ATTRIBUTES): Update to document
7928 TARGET_INSERT_ATTRIBUTES.
7929 (SET_DEFAULT_DECL_ATTRIBUTES): Remove.
7930 * c-common.c (decl_attributes): Use targetm.insert_attributes.
7931 Don't use PRAGMA_INSERT_ATTRIBUTES.
7932 * Makefile.in (c-common.o): Depend on $(TARGET_H).
7933 * c-decl.c (start_decl, start_function): Don't call
7934 SET_DEFAULT_DECL_ATTRIBUTES.
7935 * config/c4x/c4x.h (SET_DEFAULT_DECL_ATTRIBUTES): Don't define.
7936 * config/c4x/c4x-protos.h (c4x_set_default_attributes): Don't
7938 * config/c4x/c4x.c (TARGET_INSERT_ATTRIBUTES): Define.
7939 (c4x_check_attribute): Avoid modifying attribute list itself.
7940 (c4x_set_default_attributes): Rename to c4x_insert_attributes.
7942 * config/sh/sh.h (PRAGMA_INSERT_ATTRIBUTES): Don't define.
7943 * config/sh/sh-protos.h (sh_pragma_insert_attributes): Don't
7945 * config/sh/sh.c (TARGET_INSERT_ATTRIBUTES): Define.
7946 (sh_pragma_insert_attributes): Rename to sh_insert_attributes.
7948 * config/v850/v850.h (SET_DEFAULT_DECL_ATTRIBUTES): Don't define.
7949 * config/v850/v850-protos.h (v850_set_default_decl_attr): Don't
7951 * config/v850/v850.c (TARGET_INSERT_ATTRIBUTES): Define.
7952 (v850_set_default_decl_attr): Rename to v850_insert_attributes.
7953 Adjust parameters. Make static.
7955 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
7957 * c-common.c (decl_attributes): Only take a single attributes
7959 * c-common.h (decl_attributes): Update prototype.
7960 * c-decl.c (start_decl, start_function): Only take a single
7961 attributes parameter. Update calls to decl_attributes.
7962 (finish_struct, finish_enum): Update calls to decl_attributes.
7963 (push_parm_decl): Expect unified list of attributes. Update call
7965 * c-parse.in (fndef, initdcl, notype_initdcl, nested_function,
7966 notype_nested_function, component_declarator,
7967 component_notype_declarator, label): Update calls to
7969 (absdcl_maybe_attribute, parm, firstparm, myparm): Unify attribute
7970 lists that are passed to push_parm_decl.
7971 * c-tree.h (start_function, start_decl): Update prototypes.
7972 * config/sh/sh-protos.h, config/sh/sh.c
7973 (sh_pragma_insert_attributes): Only take a single attributes
7975 * config/sh/sh.h (PRAGMA_INSERT_ATTRIBUTES): Likewise.
7976 * doc/tm.texi (INSERT_ATTRIBUTES): Update.
7977 * objc/objc-act.c (define_decl, generate_objc_symtab_decl,
7978 build_module_descriptor, generate_static_references,
7979 generate_strings, build_selector_translation_table,
7980 generate_descriptor_table, generate_protocols,
7981 generate_ivars_list, generate_dispatch_table,
7982 generate_protocol_list, generate_category,
7983 generate_shared_structures, really_start_method, add_objc_decls,
7984 generate_classref_translation_entry): Update calls to start_decl
7986 (build_tmp_function_decl, start_method_def): Unify attribute lists
7987 that are passed to push_parm_decl.
7989 2001-07-08 Neil Booth <neil@daikokuya.demon.co.uk>
7991 * final.c (no_asm_to_stream): New.
7992 (final_scan_insn): Use target structures for prologue ends
7993 and epilogue starts.
7994 * output.h (no_asm_to_stream): New.
7995 * target-def.h (TARGET_ASM_FUNCTION_END_PROLOGUE,
7996 TARGET_ASM_FUNCTION_BEGIN_EPILOGUE): New.
7997 (TARGET_ASM_OUT): Update.
7998 * target.h (struct gcc_target): New members function_end_prologue
7999 and function_begin_epilogue.
8000 * config/1750/1750.h (ASM_OUTPUT_FUNNAM): Delete as unused.
8001 * config/alpha/alpha-protos.h (output_end_prologue): Delete.
8002 * config/alpha/alpha.c (output_end_prologue): Rename to
8003 alpha_output_function_end_prologue. Use in target struct
8005 * config/alpha/alpha.h (FUNCTION_END_PROLOGUE): Delete.
8006 * config/ia64/ia64-protos.h (ia64_output_end_prologue): Delete.
8007 * config/ia64/ia64.c (ia64_output_end_prologue): Rename to
8008 ia64_output_function_end_prologue. Use in target struct
8010 (ia64_function_prologue, ia64_funciton_epilogue): Rename
8011 mistyped prototypes.
8012 * config/ia64/ia64.h (FUNCTION_END_PROLOGUE): Delete.
8013 * config/m88k/m88k-protos.h (m88k_end_prologue, m88k_begin_epilogue):
8015 * config/m88k/m88k.c (m88k_end_prologue, m88k_begin_epilogue): Rename
8016 an use in target struct, make static.
8017 * config/ia64/ia64.h (FUNCTION_END_PROLOGUE, FUNCTION_BEGIN_EPILOGUE):
8020 2001-07-08 Richard Henderson <rth@redhat.com>
8022 * stmt.c (emit_case_nodes): Convert modes properly in low+high test.
8024 2001-07-08 Richard Henderson <rth@redhat.com>
8026 * config/i386/i386.md: Remove constraints strings from define_split
8027 and define_peephole2 patterns.
8028 (eh_return_si, eh_return_di): Split eh_return_1 for modes.
8029 (eh_return): Use them.
8031 2001-07-08 Richard Henderson <rth@redhat.com>
8033 * doc/tm.texi (Exception Handling): New subnode of Stack and Calling.
8034 Document MD_FALLBACK_FRAME_STATE_FOR.
8036 2001-07-07 Stephane Carrez <Stephane.Carrez@worldnet.fr>
8038 * config/m68hc11/m68hc11.c (m68hc11_initial_elimination_offset):
8039 Take into account m68hc11_sp_correction for FRAME_POINTER_REGNUM
8041 * config/m68hc11/m68hc11.h (STARTING_FRAME_OFFSET): Use 0.
8043 2001-07-07 Nick Clifton <nickc@cambridge.redhat.com>
8045 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Append # to end
8046 of the label inside NAME as opposed to just the end of NAME.
8048 2001-07-07 Neil Booth <neil@daikokuya.demon.co.uk>
8050 * config/alpha/alpha-protos.h (vms_valid_decl_attribute_p): Delete.
8051 * config/alpha/alpha.c (alpha_init_machine_status,
8052 alpha_mark_machine_status, alpha_free_machine_status): Delete.
8053 (TARGET_VALID_DECL_ATTRIBUTE): Define for VMS.
8054 (vms_valid_decl_attribute_p): Make static, conditionally compile.
8055 * config/alpha/alpha.h (VALID_MACHINE_DECL_ATTRIBUTE): Delete.
8057 2001-07-06 Stan Shebs <shebs@apple.com>
8059 * target.h (targetm): Rename global from "target", so as not to
8060 conflict with local variables.
8062 * c-typeck.c: Ditto.
8066 * cp/decl2.c: Ditto.
8067 * cp/typeck.c: Ditto.
8068 * 1750a/1750a.c: Ditto.
8069 * a29k/a29k.c: Ditto.
8073 * clipper/clipper.c: Ditto.
8074 * convex/convex.c: Ditto.
8075 * d30v/d30v.c: Ditto.
8076 * dsp16xx/dsp16xx.c: Ditto.
8077 * elxsi/elxsi.c: Ditto.
8078 * fr30/fr30.c: Ditto.
8079 * h8300/h8300.c: Ditto.
8080 * i370/i370.c: Ditto.
8081 * i386/i386.c: Ditto.
8082 * i860/i860.c: Ditto.
8083 * i960/i960.c: Ditto.
8084 * ia64/ia64.c: Ditto.
8085 * m32r/m32r.c: Ditto.
8086 * m68hc11/m68hc11.c: Ditto.
8087 * m68k/m68k.c: Ditto.
8088 * m88k/m88k.c: Ditto.
8089 * mips/mips.c: Ditto.
8090 * ns32k/ns32k.c: Ditto.
8092 * pdp11/pdp11.c: Ditto.
8093 * romp/romp.c: Ditto.
8094 * rs6000/rs6000.c: Ditto.
8096 * sparc/sparc.c: Ditto.
8098 * we32k/we32k.c: Ditto.
8099 * doc/tm.texi: Update the manual to match.
8101 2001-07-06 Richard Henderson <rth@redhat.com>
8103 * except.h (MUST_USE_SJLJ_EXCEPTIONS): Examine the value of
8104 DWARF2_UNWIND_INFO not just whether it is defined.
8106 2001-07-06 Diego Novillo <dnovillo@redhat.com>
8108 * combine.c (combine_simplify_rtx): Also recompute 'mode' if the
8109 call to simplify_binary_operation returns a new pattern.
8111 2001-07-06 Roman Lechtchinsky <rl@cs.tu-berlin.de>
8113 * glimits.h (__SHRT_MAX__): New.
8114 (SHRT_MIN, USHRT_MAX): Define in terms of SHRT_MAX.
8115 (SHRT_MAX): Define in terms of __SHRT_MAX__.
8117 2001-07-06 Jan van Male <jan.vanmale@fenk.wau.nl>
8119 * alias.c (base_alias_check): Cast GET_MODE_UNIT_SIZE to int to
8122 2001-07-06 Richard Henderson <rth@redhat.com>
8124 * bitmap.c (bitmap_release_memory): Move adjacent to the
8125 allocation functions.
8126 (bitmap_first_set_bit, bitmap_last_set_bit): Streamline knowing
8127 the implementation. Binary search for the set bit.
8128 (bitmap_union_of_diff): Allocate the temporary on the stack
8129 instead of using xmalloc.
8131 2001-07-06 Richard Henderson <rth@redhat.com>
8133 * genrecog.c (validate_pattern): Warn for constraints in
8134 define_{expand,split,peephole2}. Remove strict_low_part
8135 before looking up match_dup.
8137 2001-07-06 DJ Delorie <dj@redhat.com>
8139 * doc/gcc.texi (Makefile): Rename to be a more general purpose
8140 chapter about various build hints and history. Add section
8141 talking about the various types of native and cross builds.
8143 2001-07-06 Neil Booth <neil@daikokuya.demon.co.uk>
8145 * Makefile.in (final.o): Depend on target.h.
8146 * final.c: Include target.h.
8147 (default_function_pro_epilogue): New.
8148 (final_start_function): Use target structure for function prologues.
8149 (final_end_function): Use target structure for function epilogues.
8150 * fold-const.c (real_hex_to_f): Constify s and p.
8151 * output.h (default_function_pro_epilogue): New.
8152 * real.h (real_hex_to_f): Update prototype.
8153 * target-def.h (TARGET_ASM_FUNCTION_PROLOGUE,
8154 TARGET_ASM_FUNCTION_EPILOGUE, TARGET_ASM_OUT): New.
8155 (TARGET_INITIALIZER): Update.
8156 * target.h (gcc_target): Add struct asm_out.
8157 * doc/tm.texi: Update.
8160 Update each arch to use TARGET_ASM_FUNCTION_PROLOGUE and
8161 TARGET_ASM_FUNCTION_EPILOGUE. Move macro code to functions
8162 in cpu/cpu.c, or rename old functions consistently. Take
8163 a HOST_WIDE INT not an int as the SIZE parameter. Remove now
8164 redundant macros and prototypes. Make new functions static.
8166 * 1750a/1750a.c: Similarly.
8167 * 1750a/1750a.h: Similarly.
8168 * a29k/a29k-protos.h: Similarly.
8169 * a29k/a29k.c: Similarly.
8170 * a29k/a29k.h: Similarly.
8171 * arc/arc-protos.h: Similarly.
8172 * arc/arc.c: Similarly.
8173 * arc/arc.h: Similarly.
8174 * arm/arm-protos.h: Similarly.
8175 * arm/arm.c: Similarly.
8176 * arm/arm.h: Similarly.
8177 * avr/avr-protos.h: Similarly.
8178 * avr/avr.c: Similarly.
8179 * avr/avr.h: Similarly.
8180 * clipper/clipper-protos.h: Similarly.
8181 * clipper/clipper.c: Similarly.
8182 * clipper/clipper.h: Similarly.
8183 * convex/convex.c: Similarly.
8184 * convex/convex.h: Similarly.
8185 * d30v/d30v-protos.h: Similarly.
8186 * d30v/d30v.c: Similarly.
8187 * d30v/d30v.h: Similarly.
8188 * d30v/d30v.md: Similarly.
8189 * dsp16xx/dsp16xx-protos.h: Similarly.
8190 * dsp16xx/dsp16xx.c: Similarly.
8191 * dsp16xx/dsp16xx.h: Similarly.
8192 * elxsi/elxsi.c: Similarly.
8193 * elxsi/elxsi.h: Similarly.
8194 * fr30/fr30.c: Similarly.
8195 * fr30/fr30.md: Similarly.
8196 * h8300/h8300-protos.h: Similarly.
8197 * h8300/h8300.c: Similarly.
8198 * h8300/h8300.h: Similarly.
8199 * i370/i370-protos.h: Similarly.
8200 * i370/i370.c: Similarly.
8201 * i370/i370.h: Similarly.
8202 * i386/i386.c: Similarly.
8203 * i386/osf1elf.h: Similarly.
8204 * i386/osfrose.h: Similarly.
8205 * i860/i860-protos.h: Similarly.
8206 * i860/i860.c: Similarly.
8207 * i860/i860.h: Similarly.
8208 * i960/i960-protos.h: Similarly.
8209 * i960/i960.c: Similarly.
8210 * i960/i960.h: Similarly.
8211 * ia64/ia64-protos.h: Similarly.
8212 * ia64/ia64.c: Similarly.
8213 * ia64/ia64.h: Similarly.
8214 * m32r/m32r-protos.h: Similarly.
8215 * m32r/m32r.c: Similarly.
8216 * m32r/m32r.h: Similarly.
8217 * m68hc11/m68hc11-protos.h: Similarly.
8218 * m68hc11/m68hc11.c: Similarly.
8219 * m68hc11/m68hc11.h: Similarly.
8220 * m68k/crds.h: Similarly.
8221 * m68k/dpx2.h: Similarly.
8222 * m68k/m68k-protos.h: Similarly.
8223 * m68k/m68k.c: Similarly.
8224 * m68k/m68k.h: Similarly.
8225 * m68k/news.h: Similarly.
8226 * m88k/m88k-protos.h: Similarly.
8227 * m88k/m88k.c: Similarly.
8228 * m88k/m88k.h: Similarly.
8229 * mips/mips-protos.h: Similarly.
8230 * mips/mips.c: Similarly.
8231 * mips/mips.h: Similarly.
8232 * ns32k/merlin.h: Similarly.
8233 * ns32k/ns32k.c: Similarly.
8234 * ns32k/ns32k.h: Similarly.
8235 * ns32k/tek6000.h: Similarly.
8236 * pa/pa-protos.h: Similarly.
8237 * pa/pa.c: Similarly.
8238 * pa/pa.h: Similarly.
8239 * pdp11/2bsd.h: Similarly.
8240 * pdp11/pdp11-protos.h: Similarly.
8241 * pdp11/pdp11.c: Similarly.
8242 * pdp11/pdp11.h: Similarly.
8243 * romp/romp-protos.h: Similarly.
8244 * romp/romp.c: Similarly.
8245 * romp/romp.h: Similarly.
8246 * rs6000/rs6000-protos.h: Similarly.
8247 * rs6000/rs6000.c: Similarly.
8248 * rs6000/rs6000.h: Similarly.
8249 * rs6000/sysv4.h: Similarly.
8250 * sh/sh-protos.h: Similarly.
8251 * sh/sh.c: Similarly.
8252 * sh/sh.h: Similarly.
8253 * sparc/sparc-protos.h: Similarly.
8254 * sparc/sparc.c: Similarly.
8255 * sparc/sparc.h: Similarly.
8256 * vax/vax.c: Similarly.
8257 * vax/vax.h: Similarly.
8258 * vax/vms.h: Similarly.
8259 * we32k/we32k.c: Similarly.
8260 * we32k/we32k.h: Similarly.
8262 Fri Jul 6 11:47:59 2001 Jeffrey A Law (law@cygnus.com)
8264 * basic-block.h (first_insn_after_basic_block_note): Declare.
8265 * flow.c (first_insn_after_basic_block_note): Define. Moved
8267 * ssa.c (first_insn_after_basic_block_note): Remove.
8268 * ssa-dce.c (find_inherently_necessary): Consider BARRIERs
8270 (ssa_eliminate_dead_code): Properly update the CFG and PHI
8271 nodes when we find a dead conditional branch. Insert BARRIERs
8272 after any blocks with no successors, but which do not have
8275 2001-07-06 Zack Weinberg <zackw@stanford.edu>
8277 * varray.c (varray_check_failed): Use internal_error.
8279 2001-07-05 Andrew Haley <aph@redhat.com>
8281 * Makefile.in (LIB2_DIVMOD_FUNCS): New.
8282 (LIB2FUNCS): Move divmod functions to LIB2_DIVMOD_FUNCS.
8283 * mklibgcc.in: Compile LIB2_DIVMOD_FUNCS.
8285 2001-07-02 Jason Merrill <jason_merrill@redhat.com>
8287 * dwarf2out.c (mem_loc_descriptor): Only look through a constant pool
8288 reference if the target constant is also a SYMBOL_REF.
8290 2001-07-05 Eric Christopher <echristo@redhat.com>
8292 * config/mips/mips.h (MASK_MIPS3900): Remove.
8293 (MASK_MIPS16,MASK_NO_CHECK_ZERO_DIV,MASK_CHECK_RANGE_DIV,
8294 MASK_UNINIT_CONST_IN_RODATA): Change for 3900 mask removal.
8295 (TARGET_MIPS3900): Change to use mips_arch.
8296 (TARGET_MIPS4000): New.
8297 (TARGET_MIPS4100): New.
8298 (TARGET_MIPS4300): New.
8299 (TARGET_SWITCHES): Change 3900 and 4650 options to NULL.
8300 (SUBTARGET_TARGET_OPTIONS): Add -march. Change help text
8302 (GENERATE_BRANCHLIKELY): Move TARGET_MIPS3900.
8303 (ISA_HAS_BRANCHLIKELY): To here.
8304 (CC1_CPU_SPEC): New.
8305 (CC1_SPEC): Use here. Remove 4650 and 3900 options.
8306 (mips_arch_string): Declare.
8307 (mips_arch): Declare.
8308 (TARGET_OPTIONS): Add -march and -mtune.
8310 * config/mips/mips.c (mips_arch_string): New.
8312 (override_options): Handle -march for codegen and -mtune
8313 for scheduling. Use mips_arch. Move tx39 target default here.
8314 (mips_parse_cpu): Move error message to override_options.
8316 * config/mips/r3900.h (TARGET_DEFAULT): Remove.
8318 * config/mips/mips.md: Use TARGET_MIPS4000 and TARGET_MIPS4300.
8320 * doc/invoke.texi (Option Summary): Add -march and -mtune entries.
8321 (MIPS Options): Ditto. Change mcpu entry to historical text.
8323 2001-07-05 H.J. Lu (hjl@gnu.org)
8325 * config/mips/mips.c (mips_parse_cpu): New function to parse
8328 2001-07-05 Jim Wilson <wilson@redhat.com>
8330 * config/ia64/lib1funcs.asm: Revert 2001-07-02 change.
8331 * config/ia64/t-ia64: Likewise.
8332 (LIB1ASMFUNCS): Update comment.
8334 2001-07-05 David Edelsohn <edelsohn@gnu.org>
8336 * doc/install.texi (Install GCC: Binaries): Fix typo.
8338 2001-07-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
8340 * config/m68hc11/m68hc11.md ("*ashlsi3"): Operand 1 can be a memory
8341 reference using the stack pointer, adjust it since we push Y
8343 ("*ashrsi3"): Likewise.
8344 ("*lshrsi3"): Likewise.
8346 2001-07-05 Stephane Carrez <Stephane.Carrez@worldnet.fr>
8348 * config/m68hc11/m68hc11.h (RETURN_ADDR_RTX): Fix return address
8349 when -fomit-frame-pointer is used.
8351 2001-07-05 Jeffrey Oldham <oldham@codesourcery.com>
8353 * flow.c: Reverse Jan Hubicka's patch of 02July2001.
8354 (try_redirect_by_replacing_jump): Reverse updating properly the
8355 count and frequency information. Reverse removing cc0 setter.
8356 (forwarder_block_p): Reverse fixing for fallthru blocks.
8358 2001-07-05 DJ Delorie <dj@redhat.com>
8360 * gcc.c (TARGET_OPTION_TRANSLATE_TABLE): New.
8361 (translate_options): If the above is defined, use it to map
8362 given options to new options.
8363 * doc/tm.texi: Document it.
8365 2001-07-05 Brad Lucier <lucier@math.purdue.edu>
8366 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
8368 * doc/invoke.texi (Optimize Options): Document that -fgcse may
8369 cause programs using computed gotos to run more slowly.
8371 2001-07-05 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8373 * doc/install.texi (Specific): Markup, spelling and typo fixes.
8375 Consistently require binutils 2.11.2, not prereleases.
8376 (Specific, decstation-*): Canonicalize as mips-dec-*.
8377 (Specific, i?86-*-sco3.2v5*): Remove make bootstrap requirement,
8379 (Specific, m68k-altos): Removed reference to README.altos, deleted.
8380 (Specific, mips-*): Reword MIPS C compiler requirements.
8381 (Specific, powerpc*-*-*): New, mention --with-cpu once.
8382 (Specific, sunv5): Removed, obsolete.
8384 2001-07-05 Nathan Sidwell <nathan@codesourcery.com>
8386 * dwarf2out.c (output_loc_list): Use an all ones mask for
8387 .text asm output and don't rely on long long
8388 literals. Reformat some long lines.
8390 2001-07-05 Andreas Jaeger <aj@suse.de>
8392 * doc/gcc.texi (GNU/Linux): Remove accidental re-add of GPL
8395 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
8397 * dwarf2out.c (dwarf2out_define): Update comment.
8398 (dwarf2out_undef): Ditto.
8399 (dwarf2out_start_source_file): Ditto.
8400 (dwarf2out_end_source_file): Ditto.
8401 (dwarf2out_finish): Output DW_MACINFO_end_file for primary file,
8402 since we never call the start/end debug hook for the primary file.
8404 2001-07-04 Kazu Hirata <kazu@hxi.com>
8406 * config/h8300/h8300.c (get_shift_alg): Remove an extra operand
8409 2001-07-04 Nathan Sidwell <nathan@codesourcery.com>
8411 * cppinit.c (remove_dup_dirs): Inform if a system include
8412 directory is being reordered.
8413 * doc/invoke.texi (Directory Options): GCC warns if you hide a
8415 * doc/cpp.texi (Search Paths): Likewise.
8416 * doc/gcc.texi (Interoperation): Remove information about
8419 2001-07-04 Nathan Sidwell <nathan@codesourcery.com>
8421 * varray.h (VARRAY_TOP_GENERIC_PTR): Remove spurious parameter.
8422 (VARRAY_TOP_CHAR_PTR): Likewise.
8424 2001-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8426 * gcc.c (process_command): Don't assign elements of a const char*.
8428 Wed Jul 4 13:40:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8430 * emit-rtl.c (change_address): Don't abort if invalid address while
8431 reload is in progress.
8433 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
8435 * c-lex.c (cb_file_change): Pass line number to
8436 debug_start_source_file.
8437 (cb_undefine): Pass correct line number to debug_undef.
8439 * toplev.c (debug_start_source_file): Add line number to
8440 parameters. Pass it along to dwarf2out_start_source_file.
8441 (decode_g_option): Stop resetting debug level back to normal when
8442 we change debug formats, unless the current level is
8443 none. (Before, -g3 -gdwarf-2 would use debug level 2, rather than
8446 * toplev.h (debug_start_source_file): Add line number to
8449 * dwarf2out.h (dwarf2out_start_source_file): Add line number to
8452 * dwarf2out.c (dwarf2out_start_source_file): Add line number to
8454 Output debug_macinfo data for starting file if requested.
8455 (dwarf2out_end_source_file): Output debug_macinfo data for ending
8457 (dwarf2out_define): Output debug_macinfo data for defining a macro
8459 (dwarf2out_undef): Output debug_macinfo data for undefining a
8461 (DEBUG_MACINFO_SECTION): New. DWARF2 macro info section name.
8462 (DEBUG_MACINFO_SECTION_LABEL): New. DWARF2 macro info section label.
8463 (macinfo_section_label): New. DWARF2 macro info section label.
8464 (dwarf2out_init): If we want macro info, output the start label
8466 (dwarf2out_finish): If we want macro info, add a DW_AT_macro_info
8467 attribute to the compilation unit die pointing to the macro info.
8469 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
8471 * dwarf2out.c (new_loc_list): Move to inside #ifdef
8472 DWARF2_DEBUGGING_INFO.
8473 (add_loc_descr_to_loc_list): Ditto.
8474 (output_loc_list): Ditto.
8475 Also, fix thinko in curr not being initialized.
8476 (gen_internal_sym): Ditto.
8478 Wed Jul 4 13:40:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8480 * emit-rtl.c (replace_equiv_address): New function.
8481 * expr.h (replace_equiv_address): New declaration.
8482 * explow.c (validize_mem): Call it instead of change_address and
8483 also call if -fforce-addr and address is constant.
8484 * expr.c: Replace more calls to change_address with adjust_address
8485 and/or replace_equiv_address or to validize_mem.
8486 * function.c, regmove.c, config/alpha/alpha.c: Likewise.
8487 * config/arm/arm.md, config/clipper/clipper.md: Likewise.
8488 * config/dsp16xx/dsp16xx.md, config/fr30/fr30.c: Likewise.
8489 * config/i370/i370.md, config/i860/i860.md: Likewise.
8490 * config/i960/i960.md, config/mips/mips.c: Likewise.
8491 * config/mips/mips.md, config/pa/pa.md: Likewise.
8492 * config/pdp11/pdp11.md, config/rs6000/rs6000.c: Likewise.
8493 * config/rs6000/rs6000.md, config/sh/sh.md: Likewise.
8495 2001-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8497 * bitmap.c (bitmap_union_of_diff): Don't use BITMAP_ALLOCA.
8499 * bitmap.h (BITMAP_ALLOCA): Don't pass alloca as an argument to a
8502 2001-07-04 Joseph S. Myers <jsm28@cam.ac.uk>
8504 * doc/include: New directory.
8505 * doc/fdl.texi: Move to doc/include/fdl.texi.
8506 * doc/texinfo.tex: Move to doc/include/texinfo.tex.
8507 * doc/include/funding.texi, doc/include/gpl.texi: New files.
8508 * doc/gcc.texi: Use funding.texi and gpl.texi.
8509 * Makefile.in ($(docdir)/cpp.info, $(docdir)/gcc.info,
8510 $(docdir)/cppinternals.info, cpp.dvi. gcc.dvi. cppinternals.dvi):
8511 Update dependencies and use -I $(docdir)/include.
8513 2001-07-04 Anthony Green <green@redhat.com>
8515 * config/v850/t-v850 (v850-c.o): Add missing dependencies.
8517 2001-07-04 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
8519 * doc/install.texi (sparc64-*-*): Remove garbage.
8521 Wed Jul 4 09:07:44 2001 Jan van Male <jan.vanmale@fenk.wau.nl>
8523 * i386.c (ix86_expand_builtin, case IX86_BUILTIN_SETPS):
8524 Fix typo in last change to use adjust_address.
8526 2001-07-04 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
8528 * doc/install.texi (Specific): Update information for *-*-solaris*.
8530 Tue Jul 3 22:33:15 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8532 * explow.c (plus_constant_wide): Reinitialize Y for restart.
8534 2001-07-03 Stan Shebs <shebs@apple.com>
8536 * config/darwin.h (SECTION_FUNCTION): Remove WAS_TEXT argument, remove
8537 case for flag_no_mach_text_sections.
8538 (EXTRA_SECTION_FUNCTIONS): Remove arg from uses of SECTION_FUNCTION.
8539 * config/darwin.c (flag_no_mach_text_sections): Remove.
8540 * config/darwin-protos.h (darwin_init_pragma): Remove decl.
8542 Tue Jul 3 15:35:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8544 * explow.c (plus_constant_wide, case PLUS): Call find_constant_term
8545 and avoid checking for constant as first operand.
8546 * recog.c (find_constant_term_loc): No longer static.
8547 (adj_offettable_operand): Delete.
8548 * rtl.h (adj_offsettable_operand): Delete declaration.
8549 (find_constant_term): Add declaration.
8550 * caller-save.c: Replace calls to adj_offsettable_operand with calls
8552 * config/arm/arm.c, config/c4x/c4x.c: Likewise.
8553 * config/clipper/clipper.md, config/h8300/h8300.c: Likewise.
8554 * config/i386/i386.c, config/i386/i386.md: Likewise.
8555 * config/i860/i860.c, config/i960/i960.c: Likewise.
8556 * config/i960/i960.md, config/m68hc11/m68hc11.c: Likewise.
8557 * config/m68k/m68k.c, config/m68k/m68k.md: Likewise.
8558 * config/m88k/m88k.md, config/mcore/mcore.c: Likewise.
8559 * config/mips/mips.c, config/mips/mips.md: Likewise.
8560 * config/mn10200/mn10200.c, config/mn10300/mn10300.c: Likewise.
8561 * config/ns32k/ns32k.c, config/ns32k/ns32k.md: Likewise.
8562 * config/pa/pa.c, config/pdp11/pdp11.c: Likewise.
8563 * config/pdp11/pdp11.md, config/sh/sh.c, config/v850/v850.c: Likewise.
8564 * config/vax/vax.md, config/ns32k/ns32k.c: Likewise.
8565 * config/ns32k/ns32k.md: Likewise.
8567 2001-07-03 Zack Weinberg <zackw@stanford.edu>
8569 * rtl.c (copy_rtx): Handle 'T' format letter.
8570 * gensupport.c (collect_insn_data): Likewise.
8571 * print-rtl.c (print_rtx): Print 'T' slots like 's'.
8573 2001-07-03 Nick Clifton <nickc@cambridge.redhat.com>
8575 * doc/invoke.texi (Directory Options): Specifiy range for <N> in
8576 -B option. Use 'dir' not 'foo' as example directory name.
8578 2001-07-03 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8580 * config/i386/sol2.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
8581 Fixes PRs bootstrap/3067, bootstrap/3249, bootstrap/3275.
8583 2001-07-03 Joseph S. Myers <jsm28@cam.ac.uk>
8585 * doc/cppinternals.texi: Improve formatting and logical markup.
8587 2001-07-03 Andreas Jaeger <aj@suse.de>
8589 * Makefile.in (insn-recog.o): Add dependency on reload.h.
8591 * genrecog.c (write_header): Include reload.h for prototypes in
8594 2001-07-03 Neil Booth <neil@daikokuya.demon.co.uk>
8597 * i386/cygwin.h (VALID_MACHINE_DECL_ATTRIBUTE,
8598 VALID_MACHINE_TYPE_ATTRIBUTE): Remove.
8599 * i386/i386-protos.h (i386_pe_valid_decl_attribute_p,
8600 i386_pe_valid_type_attribute_p): Add.
8601 * i386/i386.c (TARGET_INITIALIZER): Override for cygwin targets.
8602 * i386/winnt.c (i386_valid_decl_attribute_p): Return directly.
8604 Mon Jul 2 21:52:19 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8606 * explow.c (plus_constant_wide, case LO_SUM): New case.
8607 (plus_constant_for_output_wide): Delete.
8608 * rtl.h (plus_constant_for_output): Delete.
8609 * alias.c (canon_rtx, init_alias_analysis): Call plus_constant
8610 instead of plus_constant_for_output.
8611 * recog.c (offsettable_address_p, adj_offsettable_operand): Likewise.
8612 * config/darwin.c, config/arm/arm.c, config/m68k/m68k.c: Likewise.
8613 * config/m88k/m88k.c, config/mips/mips.c, config/pa/pa.c: Likewise.
8614 * config/rs6000/rs6000.c, config/sparc/sparc.c: Likewise.
8615 * config/sparc/sparc.md: Likewise.
8616 Convert some change_address calls to adjust_address.
8618 2001-07-03 Joseph S. Myers <jsm28@cam.ac.uk>
8620 * doc/extend.texi, doc/gcc.texi, doc/invoke.texi, doc/md.texi,
8621 doc/rtl.texi, doc/tm.texi: Improve formatting. Improve
8622 documentation of -std and -Wwrite-strings.
8624 2001-07-02 Geoffrey Keating <geoffk@redhat.com>
8626 * cse.c (canon_hash): Don't register registers in very small
8627 register classes, as extending their lifetime might cause
8630 Mon Jul 2 23:14:00 CEST 2001 Jan Hubicka <jh@suse.cz>
8632 * flow.c (try_redirect_by_replacing_jump): Remove cc0 setter.
8634 * flow.c (forwarder_block_p): Fix for fallthru blocks.
8635 (try_redirect_by_replacing_jump): Update properly the count
8636 and frequency information.
8638 Mon Jul 2 14:20:13 2001 Jeffrey A Law (law@cygnus.com)
8640 * toplev.c (dump_file_index): Move SSA dumps just after first
8642 (dump_file): Corresponding changes.
8643 (rest_of_compilation): Move SSA path to just after the first
8645 * doc/gcc.texi (Passes): Update due to movement of SSA path.
8646 * doc/invoke.texi: Update dump file #s as they were completely
8647 out of date with reality.
8649 2001-07-02 Geoffrey Keating <geoffk@redhat.com>
8651 * doc/tm.texi (Frame Layout): Document STACK_PUSH_CODE.
8653 * expr.c (emit_move_insn_1): Deal with non-default
8656 * expr.c (emit_single_push_insn): Fix warning.
8658 2001-07-02 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
8660 * expr.c (emit_move_insn_1): Avoid modifying
8661 cfun->expr->x_stack_pointer when PUSH_ROUNDING is defined.
8663 Mon Jul 2 15:33:31 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8665 * emit-rtl.c (adjust_address): New function.
8666 * expr.h (adjust_address): Add declaration.
8667 * builtins.c: Replace some calls to change_address with calls to it
8669 * caller-save.c, dwarf2out.c, except.c, expmed.c, expr.c: Likewise.
8670 * function.c, config/a29k/a29k.md, config/alpha/alpha.c: Likewise.
8671 * config/arm/arm.c, config/convex/convex.c: Likewise.
8672 * config/dsp16xx/dsp16xx.md, config/fr30/fr30.c: Likewise.
8673 * config/i386/i386.c, config/i386/i386.md: Likewise.
8674 * config/ia64/ia64.c, config/ia64/ia64.md: Likewise.
8675 * config/m32r/m32r.c, config/m68k/m68k.md: Likewise.
8676 * config/m88k/m88k.c, config/mips/mips.md: Likewise.
8677 * config/ns32k/ns32k.c, config/rs6000/rs6000.c: Likewise.
8678 * config/sh/sh.c, config/sparc/sparc.md: Likewise.
8680 2001-07-02 Jim Wilson <wilson@redhat.com>
8682 * config/ia64/ia64.h: Delete obsolete lib1funcs.asm comment.
8684 2001-07-02 Steve Ellcey <sje@cup.hp.com>
8686 * config/ia64/t-ia64: Change LIB1ASMFUNCS to use single underscore.
8687 * config/ia64/lib1funcs.asm: Change macro names to match t-ia64.
8689 2001-07-02 Zack Weinberg <zackw@stanford.edu>
8691 * cppinit.c (lang_defaults): New table.
8692 (set_lang): Just read from lang_defaults into the live options
8695 2001-07-02 Zack Weinberg <zackw@stanford.edu>
8697 * Makefile.in (doc): Depend on $(GENERATED_MANPAGES).
8698 * doc/.cvsignore: Add gcc.1, cpp.1, gcov.1.
8699 * doc/gcc.1, doc/cpp.1, doc/gcov.1: Removed.
8701 2001-07-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8703 * doc/install.texi: Various spelling and markup fixes.
8704 (Installing GCC): Component specific installation instructions are
8707 Warn about removing old install dir in the presence of shared libs.
8708 (Configuration): Invoke with options target to match configure
8710 Consistently refer to gas, gld pathnames.
8711 Invert --enable-multilib documentation.
8712 Remove references to old compiler versions.
8714 Mon Jul 2 12:50:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8716 * flow.c (try_simplify_condjump): Fix typo in updating fallthru flags.
8718 2001-07-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8720 * doc/install.texi (Specific, mips*-sgi-irix4): Split from IRIX 5
8722 (Specific, mips*-sgi-irix5): Note IDO download.
8723 Reworded MIPS C hints.
8724 Use GNU as instead of GAS.
8726 Removed SGI Freeware reference, IRIX 6 only.
8727 (Specific, mips*-sgi-irix6): Removed ranlib caveats, obsolete.
8728 Note N64 library requirement/workaround.
8730 Complete list of structure passing bug victims.
8732 2001-07-02 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
8734 * doc/install.texi: Remove CVS Id.
8736 2001-07-02 Andreas Jaeger <aj@suse.de>
8738 * ssa-dce.c (note_inherently_necessary_set): Add unused attribute.
8739 (find_inherently_necessary): Remove unused variable.
8741 2001-07-02 Nathan Sidwell <nathan@codesourcery.com>
8743 * c-common.h (TDI_inlined): New ast dump phase.
8744 (dump_flag_name): New function.
8745 * c-dump.c (dump_files): Add inlined phase.
8746 (dump_flag_name): Define.
8747 * doc/invoke.texi (-fdump-ast-inlined): Document.
8749 Mon Jul 2 06:29:36 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8751 * stor-layout.c (layout_decl): Revert change to handling of alignment
8754 Sun Jul 1 11:53:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8756 * c-common.c (decl_attributes, case A_MODE): Don't call layout_decl
8759 2001-07-01 Geoffrey Keating <geoffk@redhat.com>
8761 * doc/tm.texi (FUNCTION_ARG): Document that the last call
8764 2001-07-01 Nathan Sidwell <nathan@codesourcery.com>
8766 * tlink.c (recompile_files): Remove COMPILER_PATH and
8767 LIBRARY_PATH from the environment.
8769 2001-07-01 Zack Weinberg <zackw@stanford.edu>
8771 * c-common.h (enum rid): Add RID_FIRST_AT, RID_LAST_AT,
8772 RID_LAST_PQ. Move RID_FIRST_PQ down with the other FIRST/LAST
8774 (OBJC_IS_AT_KEYWORD, OBJC_IS_PQ_KEYWORD): New macros.
8776 * c-parse.in (OBJC_STRING): Kill.
8777 (objc_string): Decompose to [objc_string] '@' STRING.
8778 (reswords): Take the leading '@' off all the Objective C keywords.
8779 (objc_rid_sans_at): Kill.
8780 (init_reswords): Don't initialize it.
8781 (yylexname): Use OBJC_IS_AT_KEYWORD and OBJC_IS_PQ_KEYWORD.
8782 (_yylex): Kill reconsider label. Look ahead one token after
8783 an '@'; if we get an identifier, check whether it's an
8784 Objective C @-keyword. If so, return the keyword. Otherwise,
8785 put back the token and return the '@' as a terminal.
8787 * cpplib.c (lex_macro_node): Remove unnecessary check for
8788 leading '@' on identifier. Clarify control flow and commentary.
8790 Sun Jul 1 11:53:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8792 * cse.c (new_label_ref): Variable deleted.
8793 (insert): Remove set of new_label_ref.
8794 (check_for_label_ref): New function.
8795 (cse_basic_block): Don't check new_label_ref; call check_for_label_ref.
8797 See ChangeLog.5 for earlier changes.