1 2001-03-28 Richard Henderson <rth@redhat.com>
3 * Makefile.in (cs-tconfig.h): Depend on CONFIG_H, not GCONFIG_H.
4 Use ALL_CFLAGS not HOST_CFLAGS for sjlj detection.
6 2001-03-28 Jim Wilson <wilson@redhat.com>
8 * config/ia64/ia64.md (movtf): Change DImode to TFmode in calls to
11 2001-03-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13 * toplev.h (fatal_error): Add ATTRIBUTE_NORETURN.
15 * tradcif.y (yyerror): Likewise. Add format specifier in call to
18 * tradcpp.c (macroexpand): Likewise for call to `error_with_line'.
20 2001-03-28 DJ Delorie <dj@redhat.com>
22 * Makefile.in (stage1_build): Revert CFLAGS patch.
24 2001-03-28 Marek Michalkiewicz <marekm@linux.org.pl>
26 * config/avr/libgcc.S (__mulhi3): Correct tests to exit the loop
27 when multiplier or multiplicand is zero.
29 2001-03-28 Bernd Schmidt <bernds@redhat.com>
31 * cselib.c (hash_rtx): Don't do tail recursion elimination by hand.
33 * config/ia64/ia64.c (update_set_flags): New function, broken out of
35 (set_src_needs_barrier): Likewise.
36 (rtx_needs_barrier): For SET case, use these two functions. Rework
37 PARALLEL case to handle all inputs before all outputs.
38 (emit_insn_group_barriers): Call init_insn_group_barriers only if we
39 saw a label and no stop bit since then.
40 (maybe_rotate, process_epilogue): Add prototypes.
42 2001-03-28 Richard Henderson <rth@redhat.com>
44 * config/rs6000/rs6000.h (EPILOGUE_USES): Use TARGET_AIX,
45 not TARGET_TOC for special toc restore handling.
46 * config/rs6000/rs6000.md (eh_return): Likewise.
48 2001-03-28 Richard Henderson <rth@redhat.com>
50 * config/sparc/sparc.c (eligible_for_epilogue_delay): False if
51 current_function_calls_eh_return.
52 (output_function_epilogue): Handle eh_return.
53 * config/sparc/sparc.h (DOESNT_NEED_UNWINDER): Remove.
54 (EH_RETURN_DATA_REGNO): New.
55 (EH_RETURN_STACKADJ_RTX): New.
56 (EH_RETURN_HANDLER_RTX): New.
57 * config/sparc/sparc.md (call/short branch peepholes): Check
58 can_throw_internal instead of in_same_eh_region.
60 * config/rs6000/rs6000.c (rs6000_stack_info): Allocate space
61 for eh_return data registers.
62 (rs6000_emit_prologue): Save eh_return data registers.
63 (rs6000_emit_epilogue): Force inline restores if eh_return.
64 Restore eh_return data registers. Mind EH_RETURN_STACKADJ_RTX.
65 * config/rs6000/rs6000.h (rs6000_stack_t): Add ehrd_offset.
66 (EH_RETURN_DATA_REGNO, EH_RETURN_STACKADJ_RTX): New.
67 (EPILOGUE_USES): True for TOC_REGISTER if calls_eh_return and
69 * config/rs6000/rs6000.md (eh_epilogue, eh_reg_restore): Remove.
70 (return_eh_si, return_eh_di): Remove.
71 (eh_return): New, from corpse of eh_epilogue.
72 (eh_set_lr_si, eh_set_lr_di): New.
74 * config/i386/i386.c (general_no_elim_operand): Disallow virtual regs.
75 (ix86_save_reg): If maybe_eh_return, true for EH_RETURN_DATA_REGNOs.
76 True for pic register if current_function_calls_eh_return.
77 (ix86_expand_epilogue): Change "emit_return" argument into "style".
78 Handle eh_return requirements.
79 * config/i386/i386.h (EH_RETURN_DATA_REGNO): New.
80 (EH_RETURN_STACKADJ_RTX): New.
81 * config/i386/i386.md (exception_receiver): Remove.
82 (eh_return, eh_return_1): New.
83 * config/i386/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
85 * config/alpha/alpha.c (alpha_sa_mask): Add EH_RETURN_DATA_REGNOs.
86 (alpha_mark_machine_status): No eh_epilogue_sp_ofs ...
87 (alpha_expand_epilogue): ... use EH_RETURN_STACKADJ_RTX instead.
88 * config/alpha/alpha.h (machine_function): Remove eh_epilogue_sp_ofs.
89 (EH_RETURN_DATA_REGNO): New.
90 (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): New.
91 * config/alpha/alpha.md (eh_epilogue): Remove.
92 (exception_receiver): Use $26 for ldgp input.
93 * config/alpha/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
95 2001-03-28 Richard Henderson <rth@redhat.com>
97 * except.c: Rewrite entirely for IA-64 ABI exception handling.
100 * Makefile.in (LIB2ADDEH): Mention unwind-dw2*.c
102 (LIB2FUNCS_EH): Remove.
103 (LIB2ADD): Remove LIB2ADDEH.
104 (libgcc.mk): Pass LIB2ADDEHDEP, don't pass LIB2FUNCS_EH.
105 (LIBGCC_DEPS): Use LIB2ADDEHDEP.
106 (crt{begin,end}[S].o): Likewise.
107 (except.o): Update includes.
108 * mklibgcc.in: Remove LIB2FUNCS_EH, add LIB2ADDEH, LIB2ADDEHDEP.
109 (libgcc2_c_dep): Use LIB2ADDEHDEP.
111 * basic-block.h (struct basic_block_def): Remove eh_beg, eh_end.
112 * bb-reorder.c (reorder_basic_blocks): Don't disable for EH.
113 * builtins.def (BUILT_IN_EH_RETURN_DATA_REGNO): New.
114 * builtins.c (expand_builtin): Implement it.
115 [BUILT_IN_EH_RETURN]: Update for nr arguments change.
116 * c-common.c (c_common_nodes_and_builtins): Declare it.
117 * c-decl.c (init_decl_processing): Update __builtin_eh_return.
118 * calls.c (libfunc_nothrow): Remove.
119 (emit_library_call_value_1): Don't call it.
120 * crtstuff.c: Include unwind-dw2-fde.h instead of frame.h.
121 * dwarf2.h (dwarf_call_frame_info): Add dwarf2.1 elements.
122 (DW_EH_PE_*): New defines for pointer encoding in .eh_frame.
123 * dwarf2out.c (struct dw_fde_struct): Add uses_eh_lsda, funcdef_number.
124 (current_funcdef_number): Globalize.
125 (output_call_frame_info): Emit frame data if an lsda is needed.
126 Generate augmentation for personality routine. Don't play with
128 (dwarf2out_begin_prologue): Record funcdef_number.
129 * dwarf2out.h (current_funcdef_number): Declare.
130 * expr.c (expand_expr): Update for except.h name changes.
131 Remove POPDCC_EXPR, POPDHC_EXPR. Add EXC_PTR_EXPR.
132 * expr.h (LTI_throw, LTI_rethrow): Remove.
133 (LTI_sjthrow, LTI_sjpopnthrow, LTI_terminate): Remove.
134 (LTI_eh_rtime_match): Remove.
135 (LTI_unwind_resume, LTI_eh_personality): Add.
136 (LTI_unwind_sjlj_register, LTI_unwind_sjlj_unregister): Add.
137 * final.c (final): Don't call check_exception_handler_labels,
138 init_insn_eh_region, or free_insn_eh_region.
139 (final_scan_insn): Always emit debug labels for
140 NOTE_INSN_EH_REGION notes.
141 * flags.h (flag_new_exceptions): Remove.
142 * flow.c (entry_exit_blocks): Remove eh_beg, eh_end.
143 (record_active_eh_regions): Remove.
144 (count_basic_blocks): Check all instructions for REG_EH_REGION.
145 Use can_throw_internal.
146 (find_basic_blocks_1): Likewise.
147 (move_stray_eh_region_notes): Remove.
148 (find_label_refs): No eh_return_stub_label.
149 (make_edges): Likewise. No init/free_eh_nesting_info. Handle RESX.
150 (make_eh_edge): No eh_nest_info. Update for reachable_handlers
152 (delete_unreachable_blocks): Don't track deleted handlers.
153 (flow_delete_block): Use maybe_remove_eh_handler.
154 (delete_eh_regions): Remove.
155 (merge_blocks): Don't check for eh region match.
156 (mark_regs_live_at_end): Handle EH_RETURN_DATA_REGNO,
157 EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX.
158 (init_propagate_block_info): Disable dead frame store optimization
159 when current_function_calls_eh_return.
160 (dump_bb): Don't print eh_beg, eh_end.
161 * function.c (fixup_var_refs): No catch_clauses.
162 (expand_function_end): Likewise. Call expand_eh_return before
163 the return register use. Call sjlj_emit_function_exit_after.
164 (expand_function_start): Force pseudo DECL_RESULT if sjlj exceptions.
165 * function.h (struct function): Add calls_eh_return, uses_eh_lsda.
166 * ifcvt.c (dead_or_predicable): Remove eh region check.
167 * integrate.c (function_cannot_inline_p): Disallow __builtin_eh_return.
168 Don't check for EH vs parameters.
169 (expand_inline_function_eh_labelmap, eif_eh_map): Remove.
170 (expand_inline_function): Call duplicate_eh_regions.
171 (copy_insn_list): Don't handle NOTE_INSN_EH_REGION_BEG/END.
172 (copy_insn_notes): Remap REG_EH_REGION notes.
173 (copy_rtx_and_substitute): Remove SYMBOL_REF_NEED_ADJUST check.
174 * integrate.h (struct inline_remap): Add local_return_label.
175 * jump.c (jump_optimize_1): Don't init/free_insn_eh_region, nor
176 check_exception_handler_labels, nor exception_optimize.
177 (find_cross_jump): No EH region check.
178 * optabs.c (init_optabs): Update for changed eh libfuncs.
179 * rtl.def (RESX): New.
180 * rtl.h (SYMBOL_REF_NEED_ADJUST): Remove.
181 * stmt.c (expand_decl_cleanup): Simplify using_eh_for_cleanups_p
182 checks. Update for except.h name changes.
183 (expand_cleanups): Likewise.
184 (expand_dcc_cleanup, expand_dhc_cleanup): Remove.
185 * toplev.c (dump_file_index, dump_file): Add .02.eh dump.
186 (compile_file): Call init_eh before init_optabs. Don't
187 output_exception_table here.
188 (rest_of_compilation): Call convert_from_eh_region_ranges,
189 convert_to_eh_region_ranges, output_function_exception_table.
190 Don't emit_eh_context.
191 * tree.def (POPDHC_EXPR, POPDCC_EXPR): Remove.
194 * md.texi (eh_epilogue): Remove.
195 (eh_return): Document.
196 * tm.texi (EH_RETURN_DATA_REGNO): Document.
197 (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): Document.
199 * eh-common.h: Remove file.
200 * frame-dwarf2.c, frame.c, frame.h: Remove files.
201 * libgcc2.c (L_eh): Remove.
203 * unwind-dw2-fde.c: New file, largely copied from frame.c.
204 * unwind-dw2-fde.h: New file.
205 * unwind-dw2.c: New file, largely cribbed from frame-dwarf2.c.
206 * unwind-sjlj.c, unwind.h, unwind.inc: New files.
207 * libgcc-std.ver: Update for eh symbols.
209 2001-03-27 Richard Henderson <rth@redhat.com>
211 * regmove.c (perhaps_ends_bb_p): Use can_throw_internal to
212 reduce false positives.
213 (regmove_optimize): Disable if flag_non_call_exceptions.
215 * stmt.c (expand_return): Remove always true predicate.
216 (expand_decl_cleanup_no_eh): Remove dead code.
218 * sched-deps.c (sched_analyze_insn): Consolidate scheduling
219 barrier code. Add a scheduling barrier if a non-call insn
220 can throw internally.
222 * rtlanal.c (rtx_addr_can_trap_p): Virtual registers cannot trap.
223 Auto-inc addresses trap only if their base register does.
225 * except.c (can_throw_internal): Rename from can_throw.
226 * except.h, resource.c: Update references.
228 * integrate.c (copy_insn_list): Use returnjump_p.
229 (copy_insn_notes): Recurse for CALL_PLACEHOLDER.
231 * function.h (struct function): Move all boolean valued fields
232 to single bit fields at the end of the struct.
234 * bb-reorder.c, dwarf2out.c, except.c, except.h, flow.c,
236 Rename asynchronous_exceptions to flag_non_call_exceptions.
238 * gthr-single.h (UNUSED): New. Distinguish between how C
239 and C++ mark unused function arguments. Use throughout.
241 * Makefile.in (cs-tconfig.h): Copy USING_SJLJ_EXCEPTIONS
242 value to target configuration header.
243 * configure.in (CONFIG_SJLJ_EXCEPTIONS): New.
244 * config.in, configure: Rebuild.
245 * except.h (USING_SJLJ_EXCEPTIONS): New. Define based on
246 configuration and target defines.
247 (exceptions_via_longjmp): Remove.
248 * dwarf2out.c, except.c, final.c, toplev.c, config/ia64/ia64.c:
249 Use USING_SJLJ_EXCEPTIONS instead of exceptions_via_longjmp.
251 * except.h (flag_non_call_exceptions): Move ...
254 * combine.c (distribute_notes) [REG_EH_REGION]: If non-call
255 exceptions, put the note on the trapping instruction.
257 * flags.h (flag_new_exceptions): Remove.
258 * toplev.c: Don't set it.
259 * final.c: Don't check it.
260 * except.c: Provide stub definition.
262 * flow.c (tidy_fallthru_edges): Don't combine complex edges.
263 (calculate_global_regs_live): Kill call-clobbered registers
264 across exception edges.
265 * reg-stack.c (convert_regs_1): Kill the entire target stack
266 across non-call exception edges.
268 * flow.c (cleanup_cfg): Take no argument.
269 * output.h, sibcall.c, toplev.c: Update all calls.
271 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
273 * configure.in: Don't check for bcopy.
274 * configure, config.in: Regenerate.
276 * system.h: Don't define or prototype bcopy, instead poison it.
278 2001-03-27 Richard Henderson <rth@redhat.com>
280 * function.c (expand_function_start): Set DECL_REGISTER on
281 a pseudo used for DECL_RESULT.
283 * rtl.h (LCT_NORETURN): New.
284 * calls.c (emit_library_call_value_1): Handle it.
286 2001-03-27 Stan Shebs <shebs@apple.com>
288 * objc/objc-act.c (objc_init): Use dump_base_name.
289 (gen_declaration): Clear the buffer arg.
290 (gen_declaration_1): New function, body of gen_declaration.
291 (adorn_decl): Call gen_declaration_1 instead of gen_declaration.
292 (gen_method_decl): Ditto, plus always clear buffer arg.
293 (error_with_ivar): Simplify.
294 (warn_with_method): Ditto.
295 (build_message_expr): Don't clear buffers.
296 (dump_interface): Ditto.
298 (build_keyword_selector): Clear the buffer by only zeroing
300 (objc_implementation_context): Declare.
301 (start_class): Warn about missing @end.
302 (finish_objc): Ditto.
304 2001-03-28 John David Anglin <dave@hiauly1.hia.nrc.ca>
306 * reload1.c (eliminate_regs): Don't abort on MEM USEs.
308 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
310 * Makefile.in (SYSTEM_H): Define.
311 Depend on $(SYSTEM_H), not system.h.
313 * objc/Make-lang.in: Depend on $(SYSTEM_H), not system.h.
315 2001-03-27 Jim Wilson <wilson@redhat.com>
317 * final.c (final_scan_insn, case NOTE_INSN_BASIC_BLOCK): Call
319 * config/ia64/ia64.c (block_num, need_copy_state): New static vars.
320 (process_epilogue): New static function.
321 (process_set): Call process_epilogue instead of emitting .restore
323 (process_for_unwind_directive): Handle NOTE_INSN_BASIC_BLOCK.
325 * flow.c (struct reg_cond_life_info): New fields orig_condition
327 (init_propagate_block_info): Set new fields.
328 (mark_regno_cond_dead): Set and use new fields.
329 (flush_reg_cond_reg_1): Likewise.
330 (and_reg_cond, case AND): Check for redundant AND conditions.
331 (mark_used_reg): Delete unnecessary clears before freeing splay trees.
334 2001-03-27 Neil Booth <neil@daikokuya.demon.co.uk>
336 * cppmacro.c (stringify_arg): Null terminate strings.
338 2001-03-27 Zack Weinberg <zackw@stanford.edu>
340 * config.gcc (m68hc11-*-*, m68hc12-*-*): Convert to new tm.h
341 inclusion style. xm-m68hc11.h no longer exists.
342 * config/m68hc11/xm-m68hc11.h: Delete file.
343 * config/m68hc11/m68hc12.h: Convert to new tm.h inclusion style.
345 * config/m68hc11/m68hc11.h: Convert to new tm.h inclusion style.
346 Don't define GCC_VERSION, N_, or PARAMS; don't include
347 gansidecl.h or stdio.h. Define inhibit_libc here.
348 Make code conditioned on #if GCC_VERSION > 2095 unconditional.
349 Delete code conditioned on #if GCC_VERSION == 2095.
351 * config/m68hc11/m68hc11-protos.h, config/m68hc11/m68hc11.c:
352 Make code conditioned on #if GCC_VERSION > 2095 unconditional.
353 Delete code conditioned on #if GCC_VERSION == 2095.
355 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
357 * system.h: Include symcat.h.
358 (STRINGIFY): Don't define.
360 * configure.in: Adjust comment.
362 * builtins.c: Use STRINGX, not STRINGIFY.
363 * gencheck.c: Likewise.
364 * gengenrtl.c: Likewise.
365 * protoize.c: Likewise.
367 * cpplex.c: Don't include symcat.h.
368 * cpplib.c: Likewise.
370 * gansidecl.h (HAVE_STRINGIZE): Don't define.
372 2001-03-27 Alan Modra <alan@linuxcare.com.au>
374 * c-typeck.c (digest_init): Fold init expression.
376 2001-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
378 * sbitmap.c (sbitmap_copy): Call memcpy, not bcopy.
380 2001-03-27 Alan Modra <alan@linuxcare.com.au>
382 * except.c (eh_regs): Save results of build_pointer_type to a temp
383 as FUNCTION_VALUE macro may evaluate its args multiple times.
385 2001-03-26 Mark Mitchell <mark@codesourcery.com>
387 * c-common.h (DECL_NUM_STMTS): New macro.
388 * c-decl.c (duplicate_decls): Copy DECL_NUM_STMTS, not
390 (pushdecl): Likewise.
391 * c-semantics.c (add_stmt): Update DECL_NUM_STMTS.
392 * integrate.c (expand_inline_function): Don't check
394 * print-tree.c (print_node): Don't print it.
395 * toplev.c (rest_of_compilation): Don't try to inline when
396 flag_no_inline is on.
397 * tree.h (DECL_FRAME_SIZE): Remove.
398 (tree_decl): Adjust accordingly.
400 2001-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
402 * combine.c (try_combine): Use memcpy, not bcopy.
404 * genattrtab.c (expand_units): Likewise.
406 Mon Mar 26 15:55:08 CEST 2001 Jan Hubicka <jh@suse.cz>
408 * i386.md (push mem DI peep2): New.
409 (mov 0, mov -1 peep2): Handle 64bit.
410 (lea to arithmetics peep2): Handle 64bit leas.
411 (rsp arithmetics to push/pop peep2s): New.
413 * i386.md (truncdfsf2_3, trunctfsf2_2): Change predicate to memory_operand.
415 Mon Mar 26 14:35:18 CEST 2001 Jan Hubicka <jh@suse.cz>
417 * i386.c (struct machine_function): Add save_varrargs_registers.
418 (ix86_save_varrargs_registers): New macro.
419 (ix86_frame_layout): Support 64bit; support red zones and varrargs area.
420 (ix86_expand_prologue): Likewise.
421 (ix86_emit_epilogue_esp_adjustement): Likewise.
422 (ix86_expand_epilogue): Likewise.
423 * i386.md (pro_epilogue_adjust_stack): Turn to expander; support 64bit.
424 (pro_epilogue_adjust_stack_1): New insn.
425 (pro_epilogue_adjust_stack_rex64): Likewise.
426 * i386.h (MASK_NO_RED_ZONE): New constant.
427 (TARGET_RED_ZONE): New macro.
428 (TARGET_OPTIONS): Add "red-zone" and "no-red-zone"
429 (RED_ZONE_SIZE): New constant.
430 (RED_ZONE_RESERVE): New constant.
432 2001-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
434 * toplev.c (set_float_handler): Use memcpy, not bcopy.
436 2001-03-25 Kazu Hirata <kazu@hxi.com>
438 * config/h8300/h8300.md (umodqi3): Output a tab instead of a
444 2001-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
446 * mkconfig.sh (DEFINES): Handle entries with '='.
448 * config.gcc: Don't use i370/xm-mvs.h or ns32k/xm-pc532-min.h.
449 Set xm_defines to MACRO=value instead.
451 * i370/xm-mvs.h: Delete.
453 * ns32k/xm-pc532-min.h: Likewise.
455 Sun Mar 25 15:01:40 CEST 2001 Jan Hubicka <jh@suse.cz>
457 * i386.md (ashldi3, ashrdi3, lshrdi3): Change predicates to
459 use ix86_expand_binary_operator
460 (?sh??i_?): Disable for 64bit.
461 * i386.h (PREDICATE_CODES): Add shiftdi_operand.
462 * i386.c (shiftdi_operand): New predicate.
464 * (ashldi3_1_rex64, ashldi3_cmp_rex64, ashlsi3_1_zext, ashlsi3_cmp_zext,
465 ashrdi3_63_rex64, ashrdi3_1_one_bit_rex64, ashrdi3_1_rex64,
466 ashrdi3_one_bit_cmp_rex64, ashrdi3_cmp_rex64, ashrsi3_31_zext,
467 ashrsi3_1_one_bit_zext, ashrsi3_1_zext, ashrsi3_one_bit_cmp_zext,
468 ashrsi3_cmp_zext, lshrdi3_1_one_bit_rex64, lshrdi3_1_rex64,
469 lshrdi3_cmp_one_bit_rex64, lshrdi3_cmp_rex64, lshrsi3_1_one_bit_zext,
470 lshrsi3_1_zext, lshrsi3_cmp_one_bit_zext, lshrsi3_cmp_zext,
471 rotlsi3_1_one_bit_rex64, rotldi3_1_rex64,
472 rotlsi3_1_one_bit_zext, rotlsi3_1_zext, rotrdi3_1_one_bit_rex64,
473 rotrdi3_1_rex64, rotrsi3_1_one_bit_zext, rotrsi3_1_zext): New patterns.
474 (rotldi3, rotrdi3): New expanders.
476 Sun Mar 25 14:25:33 CEST 2001 Jan Hubicka <jh@suse.cz>
478 * i386.md (movstrsi): Move offline.
480 (strmovdi_rex64): New.
481 (strmov?i): Accept 64bit.
482 (strmov?i_rex64): New.
483 (strmov?i_rex_1): New.
484 (strmov?i_1): Disable for 64bit.
485 (rep_mov?i_rex64): New.
486 (rep_mov?i): Disable for 64bit.
487 (clrstrsi): Move offline.
488 (strset?i_rex64): New.
489 (strset?i: Accept 64bit.
490 (rep_stos?i): Disable for 64bit.
491 (rep_stos?i_rex64): New.
492 (strset?i_rex_1): New.
493 (strset?i_1): Disable for 64bit.
494 (cmpstrsi): Accept 64bit.
495 (cmpstrsi_nz_1): Rename to cmpstrqi_nz_1; Disable for 64bit.
496 (cmpstrqi_nz_rex_1): New.
497 (cmpstrsi_1): Rename to cmpstrqi_1; Disable for 64bit.
498 (strlensi): Move offline.
500 (strlenqi_1): Disable for 64bit; fix constraints.
501 (strlenqi_rex_1): New.
502 * i386.c (ix86_adjust_counter): New static function.
503 (ix86_zero_extend_to_Pmode): Likewise.
504 (ix86_expand_aligntest): Likweise.
505 (ix86_expand_strlensi_unroll_1): Make static; update for 64bit.
506 (ix86_expand_movstr): New global function.
507 (ix86_expand_clrstr): New global function.
508 (ix86_expand_strlen): New global function.
509 * i386-protos.h (ix86_expand_movstr, ix86_expand_clrstr,
510 ix86_expand_strlen): Declare.
511 (ix86_expand_strlensi_unroll_1): Delete.
513 Sat Mar 24 23:15:19 CET 2001 Jan Hubicka <jh@suse.cz>
515 * i386.md (cmpdi): Fix operand predicates.
516 (cmpdi_ccno_1_rex64, cmpdi_minus_1_rex64, cmpdi_1_rex64,
517 cmpdi_1_insn_rex64): New patterns.
518 (adddi3): Turn to expander.
519 (adddi3_1, adddi3_carry_rex64, adddi3_cc_rex64): New patterns.
520 (addsi3_carry_zext): New pattern.
521 (adddi_?_rex64): New patterns and splitters.
522 (addsi_?_zext): New patterns.
523 (subsi3_carry_zext): New pattern.
524 (subdi_?_rex64): New patterns and splitters.
525 (iorsi_?_zext): New patterns.
526 (iordi_?_rex64): New patterns and splitters.
527 (iorsi_?_zext): New patterns.
528 (iorsi_?_zext_imm): New patterns.
529 (xorsi_?_zext): New patterns.
530 (xordi_?_rex64): New patterns and splitters.
531 (xorsi_?_zext): New patterns.
532 (negdi*): New patterns.
533 (one_cmpldi*): Likewise.
534 (one_cmplsi*_zext, negsi*_zext): Likewise.
535 (testqi_ext_3_rex64): New pattern.
537 Sat Mar 24 21:13:28 CET 2001 Jan Hubicka <jh@suse.cz>
539 * i386-protos.h (ix86_split_long_move): Return void.
540 * i386.c (ix86_split_to_parts): Handle 64bit target.
541 (ix86_split_long_move): Likewise.
542 * i386.md (all calls to ix86_split_long_move): Update.
544 2001-03-23 Richard Henderson <rth@redhat.com>
546 * config/mips/iris4.h (ASM_OUTPUT_ASCII): Rename local variables
547 to avoid shadowing arguments.
549 2001-03-23 Jakub Jelinek <jakub@redhat.com>
551 * varasm.c (make_decl_rtl): Don't append var_labelno discriminator
552 to variable names where DECL_NAME is different from
555 2001-03-23 Jim Wilson <wilson@redhat.com>
557 * varasm.c (make_decl_rtl): Add TREE_PUBLIC check to abort test.
558 (assemble_alias): Call make_decl_rtl.
560 Fri Mar 23 16:59:08 2001 J"orn Rennecke <amylaar@redhat.com>
562 * stor-layout.c (layout_type): Give OFFSET_TYPE a MODE_INT type.
564 2001-03-23 Bryce McKinlay <bryce@albatross.co.nz>
566 * extend.texi: Document the "java_interface" attribute.
568 2001-03-22 Zack Weinberg <zackw@stanford.edu>
570 * mkconfig.sh: Use a subshell with redirected stdout,
571 instead of closing stdout and confusing commands that run
572 afterward. Throw away output of cmp.
574 2001-03-22 Gordon Sadler <gbsadler1@lcisp.com>
576 * Makefile.in (stage1_build): Pass CFLAGS to stage1_build.
578 Thu Mar 22 22:15:59 CET 2001 Jan Hubicka <jh@suse.cz>
580 * i386.md (zero_extendsidi2_32): Break out from ...
581 (zero_extendsidi2): ... here ; turn to expander.
582 (zero_extendsidi2_rex64): New.
583 (extendsidi2_32): Break out from ...
584 (extendsidi2): ... here ; turn to expander.
585 (extendsidi2_rex64): New.
586 (zero_extendhidi2, zero_extendqidi2, extendhidi2, extendqidi2): New.
587 (trunc?f?f splitters): Add 64bit versions.
589 Thu Mar 22 21:41:16 CET 2001 Jan Hubicka <jh@suse.cz>
591 * i386.md (pushsi, pushsi2_prologue): Disable.
592 (pushsi2_rex64): New.
593 (movabs?i_1_rex64, movabs?i_2_rex64): New.
594 (movqi_ext_1): Disable for 64bit.
595 (movqi_ext_1_rex64): New.
596 (pushdi2_rex64): New pattern, peep2s and splitter.
597 (pushdi2_prologue_rex64): New pattern.
598 (popdi1_epilogue_rex64, popdi1, movdi_xor_rex64, movdi_or_rex64):
600 (movdi splitters): Disable for 64bit.
601 (movdi_1_rex64): New pattern, peep2s and splitters.
602 (swapdi): New pattern.
603 (pushsf): Disable for 64bit.
604 (pushsf_rex64): New pattern and splitter.
605 (pushdf_nointeger): Disable for 64bit.
606 (pushdf_integer): Handle the 64bit case.
607 (pushtf): Likewise; update splitters.
609 2001-03-22 Richard Henderson <rth@redhat.com>
611 * mkconfig.sh: Include insn-flags.h.
612 * Makefile.in (CONFIG_H): Include insn-flags.h.
613 (lots of objects): Remove insn-codes.h and insn-flags.h.
615 * alias.c, bb-reorder.c, calls.c, do-loop.c, flow.c, haifa-sched.c,
616 integrate.c, jump.c, loop.c, predict.c, profile.c, reg-stack.c,
617 regmove.c, reorg.c, a29k/a29k.c, alpha/alpha.c, arc/arc.c, arm/arm.c,
618 avr/avr.c, clipper/clipper.c, convex/convex.c, d30v/d30v.c,
619 dsp16xx/dsp16xx.c, fr30/fr30.c, h8300/h8300.c, i370/i370.c,
620 i386/i386.c, i860/i860.c, ia64/ia64.c, m32r/m32r.c, m68hc11/m68hc11.c,
621 m68k/m68k.c, m88k/m88k.c, mcore/mcore.c, mn10200/mn10200.c,
622 mn10300/mn10300.c, ns32k/ns32k.c, pa/pa.c, pdp11/pdp11.c,
623 pj/pj.c, romp/romp.c, rs6000/rs6000.c, sh/sh.c, sparc/sparc.c,
624 v850/v850.c, vax/vax.c:
625 Don't include insn-flags.h.
627 * diagnostic.c, expr.h, reload.c, toplev.c:
628 Don't include insn-codes.h.
630 * builtins.c, combine.c, except.c, explow.c, expmed.c, expr.c,
631 final.c, function.c, optabs.c, recog.c, reload1.c, stmt.c,
632 c4x/c4x.c, i960/i960.c, mips/mips.c:
633 Don't include insn-codes.h or insn-flags.h.
635 * genemit.c, genopinit.c, genoutput.c: Don't include insn-codes.h
636 or insn-flags.h in the generated code.
637 * genflags.c (gen_proto): Use "struct rtx_def *" instead of "rtx".
638 (main): Forward declare struct rtx_def.
640 2001-03-22 Joseph S. Myers <jsm28@cam.ac.uk>
642 * invoke.texi (-ffast-math): Remove duplicate line about
645 * gcc.texi: Remove more obsolete documentation of bugs and
646 installation problems.
648 2001-03-21 Kazu Hirata <kazu@hxi.com>
650 * config/h8300/h8300.md (movsi_h8300hs): Split the 2nd alternative
653 2001-03-20 Jason Merrill <jason@redhat.com>
655 * collect2.c (is_ctor_dtor): Always use '_' in the file fn names,
657 * tree.c (FILE_FUNCTION_FORMAT): Likewise.
658 * varasm.c (CHKR_PREFIX): Likewise.
660 Wed Mar 21 14:27:11 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
662 * gcse.c (hash_scan_set): An expression is not anticipatible if it
663 is part of a multi-SET insn.
665 * cse.c (find_comparison_args): Remove previous change.
666 * ifcvt.c (noce_process_if_block): When moving an insn, remove any
669 * config/i386/i386.md (conditional_trap): Remove warning.
671 * recog.c (push_operand): Fix error in last change that caused
672 undefined symbol on many targets.
674 * sdbout.c: #include ggc.h.
675 (sdbout_init): Move to end of file.
676 Call ggc_add_tree_root for anonymous_types.
677 (sdbout_symbol): Use DECL_NAME for local, not DECL_ASSEMBLER_NAME.
678 (sdbout_one_type): Use DECL_NAME for field name.
679 * Makefile.in (sdbout.o): Show includes ggc.h.
681 Wed Mar 21 20:33:26 CET 2001 Jan Hubicka <jh@suse.cz>
683 * i386.c (override_options): Default ix86_regparm to REGPARM_MAX.
684 (override_options): Use properlimits for preferred_stack_boundary.
685 (ix86_valid_type_attribute_p): Disable stdcall and cdecl attributes
687 (ext_register_operand): Accept DImode.
688 (load_pic_register): Abort on 64bit.
689 (gen_push): Use Pmode instead of SImode.
690 (ix86_save_reg): Pic reg is never used on 64bit.
691 (ix86_expand_prologue): Likewise.
692 (ix86_emit_save_regs): Use Pmode instead of SImode.
693 (legitimate_address_p): Check displacement for 64bit.
694 (print_operand): Avoid outputting of (%rip) on 64bit.
695 (print_operand_address): Output (%rip) where possible.
696 (split_di): Abort on 64bit registers.
697 (ix86_expand_branch): DImode comparison is simple for x86_64.
698 (memory_address_length): Recognize memory addresses formed using
700 (ix86_data_alignment, ix86_local_alignment): Align arrays to 16 bytes
702 * i386.h (TARGET_USE_SAHF): Disable for 64bit.
704 Wed Mar 21 18:51:19 CET 2001 Jan Hubicka <jh@suse.cz>
706 * recog.c (push_operand): Recognize new format of push instructions.
708 Wed Mar 21 10:53:57 CET 2001 Jan Hubicka <jh@suse.cz>
710 * i386.md (pushqi1): New.
711 * i386-protos.h (x86_64_general_operand, x86_64_szext_general_operand,
712 x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
713 x86_64_immediate_operand, x86_64_immediate_operand,
714 x86_64_zext_immediate_operand): Declare.
715 * i386.c (x86_64_general_operand, x86_64_szext_general_operand,
716 x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
717 x86_64_immediate_operand, x86_64_immediate_operand,
718 x86_64_zext_immediate_operand): define.
719 * i386.h (PREDICATE_CODES): Add new predicates.
721 Wed Mar 21 10:25:13 CET 2001 Jan Hubicka <jh@suse.cz>
723 * i386.md (pophi1, popqi1, pushqi1): Remove.
725 * expr.c (emit_single_push_insn): New function.
726 (move_by_pieces): Accept NULL as destination for push instructions.
727 (gen_push_operand): Kill.
728 (emit_push_insn): Pass NULL when pushing; avoid updating of
730 * expr.h (gen_push_operand): Kill.
732 Tue Mar 20 20:15:06 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
734 * rtl.texi (COMPARE): Clarify documentation and reference section
737 2001-03-20 Stan Shebs <shebs@apple.com>
739 * objc/objc-act.c (get_static_reference): Use NULL_TREE.
740 (get_object_reference): Ditto.
741 (error_with_ivar): Use error_with_file_and_line.
742 (warn_with_method): Use warning_with_file_and_line.
744 2001-03-20 Tom Tromey <tromey@redhat.com>
746 * libgcc-std.ver: Added __fixunssfsi and __fixunsdfsi.
748 2001-03-20 Mark Mitchell <mark@codesourcery.com>
750 * tree.c (set_decl_assembler_name): Set DECL_ASSEMBLER_NAME for
751 variables that are TREE_PUBLIC, even if not TREE_STATIC.
753 2001-03-20 DJ Delorie <dj@redhat.com>
755 * Makefile.in (install-libgcc): Pass complete list of variables.
756 (install-multilib): Ditto.
758 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
760 * config/i386/cygwin.h: Declare ctor_section, dtor_section
761 drectve_section, switch_to_section.
763 * winnt.c: Declare functions associated_type, gen_stdcall_suffix,
764 i386_pe_dllexport_p, i386_pe_dllimport_p, i386_pe_mark_dllexport,
765 i386_pe_mark_dllimport.
767 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
769 * config/i386/cygwin.h: Include <stdio.h> Declare and constify
772 * config/i386/winnt.c: Include "tm_p.h" and "toplev.h" Constify
773 i386_pe_* functions with char * arguments.
775 2001-03-20 Alexandre Oliva <aoliva@redhat.com>
777 * config/sh/sh.md (movsf_ie): Fix output patterns for fpul load
779 (movsi_ie): Introduce fpul store.
781 2001-03-20 Alan Modra <alan@linuxcare.com.au>
783 * Makefile.in (OBJS): Remove hashtab.o.
785 2001-03-19 Stan Shebs <shebs@apple.com>
787 * objc/objc-act.c (maybe_objc_method_name): Remove, never called.
788 * c-lang.c (maybe_objc_method_name): Ditto.
789 * c-tree.h (maybe_objc_method_name): Remove decl.
791 2001-03-19 Tom Tromey <tromey@redhat.com>
793 * gcc.c (init_gcc_specs): Fix comment.
795 2001-03-19 Mark Mitchell <mark@codesourcery.com>
797 Compute DECL_ASSEMBLER_NAME lazily.
798 * tree.h (DECL_ASSEMBLER_NAME): Compute it lazily.
799 (DECL_ASSEMBLER_NAME_SET_P): New macro.
800 (SET_DECL_ASSEMBLER_NAME): Likewise.
801 (COPY_DECL_ASSEMBLER_NAME): Likewise.
802 (set_decl_assembler_name): Declare.
803 (lang_set_decl_assembler_name): Likewise.
804 * tree.c (lang_set_decl_assembler_name): New variab.e
805 (set_decl_assembler_name): New function.
806 (init_obstacks): Set lang_set_decl_assembler_name.
807 (build_decl): Don't set DECL_ASSEMBLER_NAME.
808 * c-decl.c (duplicate_decls): Use SET_DECL_ASSEMBLER_NAME,
809 COPY_DECL_ASSEMBLER_NAME, etc. Don't set DECL_ASSEMBLER_NAME
810 where it's not necessary.
811 (builtin_function): Likewise.
812 (finish_decl): Likewise.
813 * dbxout.c (dbxout_type_methods): Likewise.
814 * ggc-common.c (ggc_mark_trees): Likewise.
815 * profile.c (output_func_start_profiler): Likewise.
816 * varasm.c (make_decl_rtl): Likewise.
818 * cse.c (find_comparison_args): Update documentation. Fix
819 mishandling of COMPARE operations.
821 * tree.def (ABS_EXPR): Add documentation.
822 * fold-const.c (fold): Improve folding of ABS_EXPRs.
824 2001-03-19 Zack Weinberg <zackw@stanford.edu>
826 * Makefile.in (hash.o): Depend on $(GCONFIG_H), not $(CONFIG_H).
828 2001-03-19 Jakub Jelinek <jakub@redhat.com>
830 * crtstuff.c (init_dummy): Use CRT_END_INIT_DUMMY if defined.
831 Remove ia32 linux PIC kludge and move it...
832 * config/i386/linux.h (CRT_END_INIT_DUMMY): ...here.
834 Mon Mar 19 18:53:54 CET 2001 Jan Hubicka <jh@suse.cz>
836 * i386.md (absdf2 expander): Fix 64bit case.
838 2001-03-19 Brad Lucier <lucier@math.purdue.edu>
840 * Makefile.in: Have splay-tree.o depend on $(GCONFIG_H).
842 2001-03-16 Andrew Haley <aph@cambridge.redhat.com>
844 * config/ia64/libgcc-ia64.ver: Add __ia64_backtrace.
846 2001-03-19 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
848 * README.X11: Remove obsolete file.
850 2001-03-18 Anthony Green <green@redhat.com>
852 * config/pj/pj.h: Remove some trailing commas.
853 (ASM_SPEC): Use -EB and -EL, not -mb and -ml.
855 2001-03-18 Richard Henderson <rth@redhat.com>
857 * defaults.h (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Move from ...
859 * combine.c, expr.c, final.c, function.c toplev.c: Don't provide
860 defaults for them here.
862 2001-03-17 Anthony Green <green@redhat.com>
864 * config/pj/lib1funcs.S: Fix broken comment.
865 * config/pj/pj.h (LOCAL_LABEL_PREFIX): Prefix internal
868 2001-03-18 Joseph S. Myers <jsm28@cam.ac.uk>
870 * gcc.texi: Remove obsolete information relating to build and
871 installation problems with enquire or the Pyramid C compiler.
873 2001-03-17 Richard Henderson <rth@redhat.com>
875 * dwarf2out.c (queue_reg_save): New.
876 (flush_queued_reg_saves, clobbers_queued_reg_save): New.
877 (dwarf2out_frame_debug_expr): Call queue_reg_save instead of
879 (dwarf2out_frame_debug): Call flush_queued_reg_saves when needed.
880 (cfa, cfa_store, cfa_temp): Make static.
881 * final.c (final_scan_insn): Always call dwarf2out_frame_debug.
883 2001-03-17 Richard Henderson <rth@redhat.com>
885 * integrate.h (struct inline_remap): Add local_return_label.
886 * integrate.c (expand_inline_function): Initialize it and emit
887 it after copy_insn_notes.
888 (copy_insn_list): Don't store local_return_label here.
889 (copy_insn_notes): New function split out from copy_insn_list.
891 2001-03-17 Richard Henderson <rth@redhat.com>
893 * dwarf2out.c (lookup_filename): Emit .file if the assembler
894 is generating .debug_line.
895 (dwarf2out_init): Add main_input_filename to the file table first.
896 * configure.in (as_dwarf2_debug_line): Test with file number 1
897 instead of file number 0.
899 Sat Mar 17 11:52:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
901 * combine.c (undobuf): Remove field previous_undos; all refs deleted.
902 (gen_rtx_combine): Deleted; all references changed as appropriate.
903 (gen_unary): Deleted; all refs changed to call simplify_gen_unary.
905 * print-tree.c (print_node): Print DECL_NONADDRESSABLE_P.
907 2001-03-17 David Billinghurst <David.Billinghurst@riotinto.com>
909 * config/i386/xm-cygwin.h: Include <sys/cygwin.h. Remove unused
912 2001-03-16 Jim Wilson <wilson@redhat.com>
914 * config/ia64/ia64.c (ia64_compute_frame_size): If reg_fp is zero,
915 then set it to LOC_REG (79) instead of aborting.
917 2001-03-16 Phil Edwards <pme@sources.redhat.com>
919 * gccbug.in: Remove high priority.
921 2001-03-16 Richard Henerson <rth@redhat.com>
923 * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): Substitute leading od
924 output with a space instead of deleting it.
925 * configure: Regenerate.
927 2001-03-16 Zack Weinberg <zackw@stanford.edu>
929 * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): New utility macro which
930 handles the gory details of converting an object file into
931 something that's safe to grep.
932 (gcc_AC_C_COMPILE_BIGENDIAN): Rename to
933 gcc_AC_C_COMPILE_ENDIAN. Use gcc_AC_EXAMINE_OBJECT. Put
934 newlines at either end of the string we're looking for.
935 Make 'checking ...' message less stilted.
936 (gcc_AC_C_FLOAT_FORMAT): Use gcc_AC_EXAMINE_OBJECT. Handle
937 ARM in-memory layout and its hypothetical converse. Don't
938 define HOST_FLOAT_WORDS_BIG_ENDIAN unless it's different from
939 HOST_WORDS_BIG_ENDIAN.
941 * configure.in: Adjust for renamed macro. Move
942 gcc_AC_C_FLOAT_FORMAT below gcc_AC_C_COMPILE_ENDIAN.
943 * configure, config.in: Regenerate.
945 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
947 * fixinc/Makefile.in: Set SHELL.
949 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
951 * fixinc/fixincl.c (fix_with_system): Quote file names before
952 passing them to shell.
954 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
956 * Makefile.in: Use fix-header$(build_exeext) instead
959 2001-03-16 Richard Henderson <rth@redhat.com>
961 * dwarf2out.c: Revert most of 2000-11-25 and 2001-01-24 changes.
962 (LN_PROLOG_AS_LABEL, LN_PROLOG_END_LABEL): New.
963 (size_of_line_prolog): Remove.
964 (output_line_info): Compute prologue size via label difference.
965 (lookup_filename): Return "unspecified" for <internal> and <built-in>.
967 * configure.in (HAVE_AS_DWARF2_DEBUG_LINE): Require that the
968 assembler error when redefining file numbers.
969 * config.in, configure: Rebuild.
971 * dwarf2asm.c (dw2_asm_output_data): Mask data to the output size.
972 (dw2_asm_output_data_uleb128): Use space not tab after .uleb128.
973 (dw2_asm_output_delta_uleb128): Likewise.
974 (dw2_asm_output_delta_sleb128): Similarly.
975 (dw2_asm_output_data_sleb128): Similarly. Print number in decimal.
977 2001-03-16 Michael Meissner <meissner@redhat.com>
979 * mips.h (BITMASK_HIGH): Replacement for 0x80000000 that avoids
981 (BITMASK_UPPER16): Replacement for 0xffff0000 that avoids
983 (BITMASK_LOWER16): Replacement for 0x0000ffff.
985 * mips.c (save_restore_insns): Use BITMASK_UPPER16/BITMASK_LOWER16
986 instead of 0xffff0000/0x0000ffff to avoid warnings about constants
987 being unsigned in ISO C and signed in traditional.
988 (expand_prologue): Ditto.
989 (RA_MASK): Use BITMASK_HIGH to avoid warnings.
991 * mips.md (divmodsi4,divmodsi4): Use BITMASK_HIGH to avoid
993 (divsi3,divdi3): Ditto.
994 (modsi3,moddi3): Ditto.
995 (fix_truncdfsi2,fix_truncdfdi2): Ditto.
996 (fix_truncsfsi2,fix_truncsfdi2): Ditto.
997 (movsi split): Use BITMASK_UPPER16/BITMASK_LOWER16 to avoid
1000 Fri Mar 16 14:47:57 CET 2001 Jan Hubicka <jh@suse.cz>
1002 * i386.c (ix86_expand_fp_movcc): Do not attempt to construct
1003 SSE based conditional moves on LTGT/UNEQ conditions;
1004 Canonicalize EQ to NE.
1005 * i386.md (sse_mov?fcc): Disallow EQ and NE in IEEE mode.
1006 (sse_mov?fcc_ne): New.
1008 * i386-protos.h (sign_extended_value, zero_extended_value): Declare.
1010 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
1012 * config/sh/sh.c (sh_expand_prologue): Insns that set up the PIC
1013 register may be dead.
1015 2001-03-16 Brad Lucier <lucier@math.purdue.edu>
1017 * Makefile.in (hash.o): Depend on CONFIG_H.
1019 2001-03-15 Mark Mitchell <mark@codesourcery.com>
1021 * dwarf2out.c (rtl_for_decl_location): Use DECL_RTL_IF_SET.
1023 2001-03-15 Richard Henderson <rth@redhat.com>
1025 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): New.
1026 (ASM_OUTPUT_DWARF_PCREL): New.
1027 * config/ia64/hpux.h (ASM_OUTPUT_DWARF_OFFSET): Remove.
1029 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
1031 * cppfiles.c (stack_include_file): Use MAX of sysp.
1033 2001-03-15 Steve Ellcey <sje@cup.hp.com>
1035 * config.gcc (ia64*-*-hpux*): New case.
1036 * config/ia64/hpux.h: New file for HP-UX support.
1037 * config/ia64/t-hpux: New file for HP-UX support.
1039 2001-03-16 Bruce Korb <bkorb@gnu.org>, Alexandre Oliva <aoliva@redhat.com>
1041 * fixinc/inclhack.def (irix_stdio_va_list): New.
1042 * fixinc/fixincl.x: Rebuilt.
1044 2001-03-15 Richard Henderson <rth@redhat.com>
1046 * dwarf2asm.c (dw2_asm_output_offset): Use ASM_OUTPUT_DWARF_OFFSET
1047 if provided by the target.
1048 (dw2_asm_output_pcrel): Likewise with ASM_OUTPUT_DWARF_PCREL.
1049 (dw2_asm_output_addr): New.
1050 * dwarf2asm.h (dw2_asm_output_addr): Declare.
1051 * dwarf2out.c (output_cfi): Use it for program addresses.
1052 (output_call_frame_info, output_die): Likewise.
1053 (output_aranges, output_line_info): Likewise.
1055 2001-03-15 Bruce Korb <bkorb@gnu.org>
1057 * gcc.c(main): make more rigorous
1058 * collect2.c(main): guard against ignoring SIGCHLD
1059 * protoize.c(main): ditto
1060 * gcc/fixinc/fixincl.c(initialize): ditto
1062 2001-03-15 Mark Mitchell <mark@codesourcery.com>
1064 * sdbout.c (sdbout_symbol): Use DECL_RTL_SET_P, SET_DECL_RTL.
1065 (sdbout_parms): Likewise.
1067 Thu Mar 15 12:57:14 2001 Jeffrey A Law (law@cygnus.com)
1069 * reload1.c (reload_cse_simplify_set): For LOAD_EXTEND_OP, do not
1070 "widen" a destination that is already wider than a word. Also do
1071 not widen if LOAD_EXTEND_OP is NIL for the given mode.
1073 2001-03-15 Bernd Schmidt <bernds@redhat.com>
1075 * config/ia64/ia64.c (ia64_sched_reorder): Remove debugging aids.
1077 Thu Mar 15 11:30:31 EST 2001 John Wehle (john@feith.com)
1079 * i960.h (ROUND_TYPE_SIZE_UNIT): Fix typo.
1081 Thu Mar 15 11:24:29 EST 2001 John Wehle (john@feith.com)
1083 * i960.h (i960_maxbitalignment,
1084 i960_last_maxbitalignment): Declare.
1085 * i960.c (i960_maxbitalignment,
1086 i960_last_maxbitalignment): Make global.
1087 (process_pragma): Delete.
1088 (i960_pr_align, i960_pr_noalign): Move from here ...
1089 * i960-c.c: ... to this new file.
1090 * t-960bare (i960-c.o): New rule.
1091 * t-vxworks960 (i960-c.o): Likewise.
1092 * config.gcc (i960-*-*): Define c_target_objs and
1095 2001-03-15 Bernd Schmidt <bernds@redhat.com>
1097 * cselib.c (hash_rtx): For REG and MEM, just use value of expression
1098 without adding in rtx code and mode.
1100 * alias.c (init_alias_analysis): Don't use any rtx whose value
1101 varies as a known value.
1102 Delete a superfluous test.
1104 * config/ia64/ia64.c (maybe_rotate): New function, broken out of
1106 (ia64_sched_reorder): Call maybe_rotate; also rotate after
1107 scheduling a stop bit.
1108 (ia64_emit_nops): Correctly handle ASMs.
1110 2001-03-15 Mark Mitchell <mark@codesourcery.com>
1112 * varasm.c (assemble_variable): Use DECL_RTL_SET_P.
1114 2001-03-15 Neil Booth <neil@daikokuya.demon.co.uk>
1116 * cpp.texi: Update documentation for -include and -imacros.
1117 * cppfiles.c (struct include_file): Remove "defined" memeber.
1118 (find_or_create_entry): Make a copy of the file name, and
1120 (open_file): Update to ensure we use the simplified filename.
1121 (stack_include_file): Don't set search_from.
1122 (cpp_included): Don't simplify the path name here.
1123 (find_include_file): New prototype. Call search_from to
1124 get the start of the "" include chain. Don't simplify the
1126 (_cpp_execute_include): New prototype. Move diagnostics to
1127 do_include_common. Update.
1128 (_cpp_pop_file_buffer): Don't set defined.
1129 (search_from): New prototype. Use the preprocessor's cwd
1130 for files included from the command line.
1131 (read_name_map): Don't simplify the pathname here.
1132 * cpphash.h (enum include_type): New.
1133 (struct buffer): Delete search from. New search_cached.
1134 (_cpp_execute_include): Update prototype.
1135 * cppinit.c (do_includes): Use _cpp_execute_include.
1136 * cpplib.c (do_include_common): New function.
1137 (do_include, do_include_next, do_import): Use it.
1139 2001-03-14 Mark Mitchell <mark@codesourcery.com>
1141 * varasm.c (assemble_alias): Use DECL_ASSEMBLER_NAME, not the
1142 contents of the RTL, to determine the name of the object.
1144 2001-03-14 Mark Mitchell <mark@codesourcery.com>
1146 * tree.h (DECL_RTL): Allocate RTL lazily.
1147 (SET_DECL_RTL): New macro.
1148 (DECL_RTL_SET_P): Likewise.
1149 (COPY_DECL_RTL): Likewise.
1150 (DECL_RTL_IF_SET): Likewise.
1151 * varasm.c (make_decl_rtl): Add assertions about the kind of
1152 declaration we are processing.
1153 * c-decl.c (duplicate_decls): Use COPY_DECL_RTL, DECL_RTL_SET_P, etc.
1154 (start_decl): Likewise.
1155 (finish_decl): Likewise.
1156 * c-semantics.c (emit_local_var): Likewise.
1157 * calls.c (expand_call): Likewise.
1158 * dbxout.c (dbxout_symbol): Likewise.
1159 * emit-rtl.c (unshare_all_rtl): Likewise.
1160 (unshare_all_decls): Likewise.
1161 (reset_used_decls): Likewise.
1162 * expr.c (store_constructor): Likewise.
1163 (safe_from_p): Likewise.
1164 (expand_expr): Likewise.
1165 * function.c (put_var_into_stack): Likewise.
1166 (instantiate_decls_1): Likewise.
1167 (assign_parms): Likewise.
1168 (expand_function_start): Likewise.
1169 (expand_function_end): Likewise.
1170 * ggc-common.c (gcc_mark_trees): Likewise.
1171 * integrate.c (function_cannot_inline_p): Likewise.
1172 (copy_decl_for_inlining): Likewise.
1173 (expand_inline_function): Likewise.
1174 (integrate_parm_decls): Likewise.
1175 (integrate_decl_tree): Likewise.
1176 * print-tree.c (print_node): Likewise.
1177 * reg-stack.c (stack_result): Likewise.
1178 * stmt.c (label_rtx): Likewise.
1179 (expand_return): Likewise.
1180 (expand_decl): Likewise.
1181 (expand_decl_cleanup): Likewise.
1182 (expand_anon_union_decl): Likewise.
1183 * toplev.c (check_global_declarations): Likewise.
1184 (rest_of_decl_compilation): Likewise.
1185 * tree.c (simple_cst_equal): Likewise.
1186 * objc/objc-act.c (generate_static_references): Likewise.
1188 2001-03-14 Zack Weinberg <zackw@stanford.edu>
1190 * aclocal.m4 (gcc_AC_C_CHARSET, gcc_AC_C_COMPILE_BIGENDIAN,
1191 gcc_AC_C_FLOAT_FORMAT): New macros.
1192 * configure.in: Add AC_PROG_CPP after CC tests;
1193 gcc_AC_C_CHARSET and gcc_AC_C_FLOAT_FORMAT after the sizeof
1194 tests; and gcc_AC_C_COMPILE_BIGENDIAN after gcc_AC_C_CHAR_BIT.
1195 * configure, config.in: Regenerate.
1197 * config/a29k/xm-a29k.h, config/arc/xm-arc.h,
1198 config/arm/xm-arm.h, config/c4x/xm-c4x.h,
1199 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
1200 config/i370/xm-linux.h, config/i370/xm-oe.h,
1201 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
1202 config/m68k/xm-m68k.h, config/mips/xm-mips.h,
1203 config/pa/xm-linux.h, config/pa/xm-pa.h,
1204 config/rs6000/xm-lynx.h, config/rs6000/xm-mach.h,
1205 config/rs6000/xm-rs6000.h, config/rs6000/xm-sysv4.h,
1206 config/sparc/xm-sparc.h, config/vax/xm-vax.h,
1207 config/we32k/xm-we32k.h: Delete.
1209 * config/i370/xm-mvs.h, config/m88k/m88k.h,
1210 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
1211 config/vax/xm-vms.h: Don't define any of:
1212 HOST_FLOAT_FORMAT, HOST_EBCDIC, HOST_WORDS_BIG_ENDIAN
1214 * config/rs6000/aix.h: Define COLLECT_EXPORT_LIST here.
1216 * config.gcc: Remove references to deleted files.
1217 (i370-*-opened*): Use i370/xm-mvs.h (which now defines only
1218 FATAL_EXIT_CODE, which is the same between oe and mvs).
1220 2001-03-14 DJ Delorie <dj@redhat.com>
1221 Vladimir Makarov <vmakarov@redhat.com>
1223 * config/i960/i960.c (i960_function_prologue): Compute size of
1224 frame according to number of registers actually saved there.
1226 2001-03-14 Richard Henderson <rth@redhat.com>
1228 * expr.c (emit_move_insn_1): Fix else if around #endif.
1230 Wed Mar 14 22:39:12 CET 2001 Jan Hubicka <jh@suse.cz>
1233 * md.texi (machine constraints): Document 'Q', 'R', 'e' and 'Z'
1236 Wed Mar 14 22:26:10 CET 2001 Jan Hubicka <jh@suse.cz>
1238 * i386.c (ix86_cmodel_string, ix86_cmodel): Define.
1239 (override_options): Parse cmodel string.
1240 (x86_64_sign_extended_value, x86_64_zero_extended_value): New.
1241 * i386.h (TARGET_OPTIONS): Add "cmodel".
1242 (EXTRA_CONSTRAINT): Recognize 'e' and 'Z'.
1244 (ix86_cmodel_string, ix86_cmodel): Declare.
1246 Wed Mar 14 22:26:54 CET 2001 Jan Hubicka <jh@suse.cz>
1249 * i386.h (GENERAL_REG_P): Add missing REG_P.
1251 2001-03-14 Laurynas Biveinis <lauras@softhome.net>
1253 * configure.in: Use $gcc_cv_as instead of $as.
1254 * configure: Regenerated.
1256 2001-03-14 Neil Booth <neil@daikokuya.demon.co.uk>
1258 * cppfiles.c (stack_include_file): Only increase the include
1259 count if we actually process the file properly, as opposed
1260 to treating it as length zero. Only call read_include_file
1261 if not DO_NOT_REREAD. Handle the -H include file output
1263 (read_include_file): Remove now redundant DO_NOT_REREAD check.
1264 (cpp_included, find_include_file): Simplify pathnames after
1265 remapping them. If remapping, don't use the remapped file
1266 name's buffer as our scratch buffer.
1267 (cpp_pop_file_buffer): Replace the multiple include macro
1268 only if it isn't yet set.
1269 (read_name_map): Simplify remapped names when reading in.
1270 (remap_filename): Move code to code path that uses it.
1271 (_cpp_simplify_pathname): Return the input pointer.
1272 * cpphash.h (_cpp_simplify_pathname): Update prototype.
1274 2001-03-14 Mark Mitchell <mark@codesourcery.com>
1276 * expr.c (expand_expr): Revove bogus conditional.
1278 Wed Mar 14 19:29:50 CET 2001 Jan Hubicka <jh@suse.cz>
1280 * expr.c (emit_move_insn_1): Guard PUSH_ROUNDING use by ifdef.
1282 2001-03-14 Jakub Jelinek <jakub@redhat.com>
1284 * reg-stack.c (stack_result): Unconditionally use
1285 FUNCTION_OUTGOING_VALUE resp. FUNCTION_VALUE.
1287 Wed Mar 14 16:36:25 CET 2001 Jan Hubicka <jh@suse.cz>
1289 * expr.c (emit_move_insn_1): Split push of complex value when
1290 no suitable push instruction exist.
1292 * i386.md (QImode move/add/shift patterns): Use ANY_QI_REG_P
1293 instead of QI_REG_P.
1295 Tue Mar 13 22:22:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1297 * alias.c (handled_component_p, can_address_p): New functions.
1298 (get_alias_set): Use them.
1300 2001-03-13 Jim Wilson <wilson@redhat.com>
1302 * config/ia64/ia64.c (find_gr_spill): Subtract frame_pointer_needed
1303 from 80 in try_locals code.
1304 (ia64_expand_prologue): Add comment pointing to find_gr_spill change.
1306 2001-03-13 Zack Weinberg <zackw@stanford.edu>
1308 * aclocal.m4 (gcc_AC_COMPILE_CHECK_SIZEOF, gcc_AC_C_CHAR_BIT,
1309 gcc_AC_C_LONG_LONG): New.
1310 * configure.in: Use them. Probe the size of short, int, long,
1311 and long long/__int64 if we have them. Move all the AC_C_*
1312 checks together, except gcc_AC_C_CHAR_BIT which has to go
1313 after AC_CHECK_HEADERS(limits.h).
1314 Take hwint.h out of host_xm_file and build_xm_file.
1316 * hwint.h: Unconditionally define HOST_BITS_PER_CHAR,
1317 HOST_BITS_PER_SHORT, HOST_BITS_PER_INT, HOST_BITS_PER_LONG,
1318 and HOST_BITS_PER_LONGLONG in terms of SIZEOF_* and CHAR_BIT.
1319 Move the HOST_WIDEST_INT setup logic here from system.h.
1320 Provide HOST_WIDEST_INT even if HOST_BITS_PER_LONGLONG is not
1322 * system.h: Include hwint.h after limits.h. HOST_WIDEST_INT
1323 is now handled by hwint.h.
1325 * config/alpha/xm-alpha-interix.h, config/alpha/xm-vms.h,
1326 config/c4x/xm-c4x.h, config/i370/xm-oe.h,
1327 config/ia64/xm-ia64.h: Don't define any of:
1328 HOST_BITS_PER_LONG, HOST_BITS_PER_CHAR, HOST_BITS_PER_SHORT,
1329 HOST_BITS_PER_LONGLONG.
1331 * config/alpha/xm-alpha.h, config/dsp16xx/xm-dsp16xx.h,
1332 config/h8300/xm-h8300.h, config/mips/iris6.h,
1333 config/mn10200/xm-mn10200.h, config/pa/xm-pa64hpux.h,
1334 config/sparc/xm-sp64.h: Delete.
1335 * config.gcc: Remove references to deleted files.
1337 * config/arm/xm-arm.h, config/mips/xm-mips.h: Don't define
1338 HOST_FLOAT_FORMAT to IEEE_FLOAT_FORMAT.
1339 * config/i370/xm-linux.h: Clarify floating-point situation in
1342 2001-03-13 Neil Booth <neil@daikokuya.demon.co.uk>
1344 * cppfiles.c (NO_INCLUDE_PATH): New macro.
1345 (find_include_file): Decide here which part of the include
1346 chain to start the search. Complain about an empty include
1347 chain in all cases apart from an abolsute file name.
1348 (_cpp_execute_include): Don't choose the search chain here.
1349 Don't call handle_missing_include in the case of an empty
1351 (_cpp_compare_file_date): Don't choose the search chain here.
1352 * cpplib.c (do_include_next): Move the in-main-file diagnostic
1353 here from _cpp_execute_include. Behave like #include if
1354 we're in the main file.
1356 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1358 * system.h (malloc, realloc, calloc, strdup): Only poison these
1359 tokens when IN_GCC is defined.
1361 Tue Mar 13 14:38:44 CET 2001 Jan Hubicka <jh@suse.cz>
1363 * i386.md (abs?f expander): Support SSE case.
1364 (abd?f_if): Add new "USE"; add splitters.
1366 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1368 * cpp.texi (poison): Explain the macro expansion exception.
1370 2001-03-13 Jakub Jelinek <jakub@redhat.com>
1372 * expr.c (store_expr): Add dont_store_target. If temp is already in
1373 target before copying to reg, don't store it into target again.
1375 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
1377 * cppinternals.texi: Update for file handling.
1379 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
1381 * emit-rtl.c (remove_unnecessary_notes): Reverse Richard Kenner's
1382 2001-02-24 which broke building the Java library.
1383 * function.c (identify_blocks): Likewise.
1384 (all_blocks): Likewise.
1385 * integrate.c (integrate_decl_tree): Likewise.
1386 * print-tree.c (print_node): Likewise.
1387 * tree.h (BLOCK_NUMBER): Likewise.
1388 (struct tree_block): Likewise.
1390 2001-03-12 David Edelsohn <edelsohn@gnu.org>
1392 * rs6000/aix51.h (CPP_SPEC, CPLUSPLUS_CPP_SPEC): Fix typo in
1393 __WCHAR_TYPE__ definition.
1394 (WCHAR_TYPE_SIZE): #undef before #define.
1396 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
1398 * cppfiles.c: Update comments.
1399 (destroy_include_file_node): Rename destroy_node.
1400 (find_or_create_entry): New function.
1401 (open_file, _cpp_fake_include): Use it.
1402 (handle_missing_header): New function, broken out of
1403 _cpp_execute include. Don't segfault if there is no
1404 system or quoted path.
1405 (_cpp_execute_include): Use handle_missing_header.
1407 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
1409 * jump.c (reversed_comparison_code_parts): Reverse Jan Hubricka's
1410 2001-02-28 patch because it breaks arm-linux and mips-sgi-irix6.5.
1412 Mon Mar 12 14:05:32 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1414 * flow.c (insn_dead_p): Don't consider two memrefs equivalent
1415 unless anti_dependence says they are.
1416 * alias.c (objects_must_conflict): If neither has a type specified,
1419 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
1420 David Billinghurst <David.Billinghurst@riotinto.com>
1422 * config/mips/iris5.h: Change WCHAR_TYPE to int.
1424 Mon Mar 12 16:32:21 CET 2001 Jan Hubicka <jh@suse.cz>
1426 * i386.md (trunctfdf2_2): Rename missnamed pattern.
1427 (*_one_bit): Remove type on the match_operand in attributes.
1429 Mon Mar 12 16:27:56 CET 2001 Jan Hubicka <jh@suse.cz>
1431 * i386.c: Commit forgotten hunk in previous patch.
1432 (regclass_map): Add extended registers.
1433 (dbx_register_map): Add missing frame register.
1435 Mon Mar 12 15:41:08 CET 2001 Jan Hubicka <jh@suse.cz>
1437 * i386.md (all XFmode patterns except swapxf): Disable for 64bit.
1439 * i386.md (x86_sahf_1): Disable for 64bit.
1440 (popsi*, pophi*): Likewise.
1441 (pushqi, pushhi): Likewise.
1442 (movdi, pushdi): Likewise.
1443 (zero extend DImode splitter): Likewise.
1444 (adddi, minusdi splitter): Likewise.
1445 (umulsidi): Likewise.
1447 (mulsidi): Disable for 64bit
1448 (lshift:DI/ashift:DI): Disable for 64bit.
1449 (loop patterns): Likewise.
1450 (call_pop, call_value_pop expanders and patterns): Likewise.
1451 (prologue_get_pc): Likewise.
1453 (fcmovDI pattern and splitter): Likewise.
1454 (movdfcc_1_rex64): New.
1456 Mon Mar 12 15:16:36 CET 2001 Jan Hubicka <jh@suse.cz>
1458 * i386.h (VALID_FP_MODE_P): XFmode is invalid on x86_64.
1459 (MODES_TIEABLE_P): QImodes and DImodes are tiable on x86_64.
1460 (HARD_REGNO_CALLER_SAVE_MODE): Save QImodes as QImodes for x86_64.
1461 (STATIC_CHAIN_REGNUM): Set to r10 for x86_64.
1462 (PIC_OFFSET_TABLE_REGNUM): Set to INVALID_REGNUM for x86_64.
1463 (LIMIT_RELOAD_CLASS): Avoid limiting of QImodes on x86_64.
1464 (SECONDARY_OUTPUT_RELOAD_CLASS): No need to QImodes.
1465 (PUSH_ROUNDING): x86_64 rounds to 64bits.
1466 (CONSTANT_ADDRESS_P): Accept CONST_DOUBLE.
1467 (REGPARM_MAX): Set to 6 for x86_64.
1468 (SSE_REGPARM_MAX): Set to 16 for x86_64.
1469 * i386.c (hard_regno_mode_ok): QImodes can be in all general purpose
1472 * (patterns that does use upper halves): Update constraints
1473 'q' to 'Q' and 'r' to 'R'.
1474 (cmpqi_ext_1): Disable for 64bit.
1475 (cmpqi_ext_3_insn): Likewise.
1476 (movqi_extzv_1): Likewsie.
1477 (addqi_ext_1): Liekwsie
1478 (testqi_ext_1): Liekwsie
1479 (andqi_ext_1): Liekwsie
1480 (xorqi_ext_1): Liekwsie
1481 (cmpqi_ext_1_rex64): New.
1482 (cmpqi_ext_3_insn_rex64): Likewise.
1483 (movqi_extzv_1_rex64): Likewsie.
1484 (addqi_ext_1_rex64): Liekwsie
1485 (testqi_ext_1_rex64): Liekwsie
1486 (andqi_ext_1_rex64): Liekwsie
1487 (xorqi_ext_1_rex64): Liekwsie
1489 2001-03-11 Zack Weinberg <zackw@stanford.edu>
1491 * configure.in: Move check for unsigned enumerated bitfields
1492 to macro in aclocal.m4. Disable it for now.
1493 * configure, config.in: Regenerate.
1494 * system.h: Don't do anything with ONLY_INT_FIELDS. Use the
1495 unsigned-int form of ENUM_BITFIELD() unless being compiled by GCC.
1496 * varasm.c (struct rtx_const): Use ENUM_BITFIELD(). Move enum
1497 kind above its first use.
1499 * config/xm-interix.h, config/alpha/xm-alpha.h,
1500 config/i370/xm-linux.h, config/i386/xm-beos.h,
1501 config/i386/xm-mingw32.h, config/mips/xm-mips.h,
1502 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
1503 config/rs6000/xm-beos.h, config/rs6000/xm-sysv4.h,
1504 Don't define ONLY_INT_FIELDS under any circumstances.
1506 * config/pa/xm-pa.h: Don't define __BSD_NET2__.
1508 * config/pa/xm-pahpux.h, config/pa/xm-papro.h,
1509 config/sparc/xm-sysv4.h: Delete - now identical with some
1511 * config.gcc (hppa targets): Replace xm-pahpux.h and
1512 xm-papro.h with implicit xm-pa.h.
1513 (sparc targets): Replace xm-sysv4.h with implicit or explicit
1516 2001-03-12 Aldy Hernandez <aldyh@redhat.com>
1518 * reload1.c (reload_cse_simplify): Call reload_cse_simplify_set
1519 before reload_cse_noop_set_p.
1521 2001-03-11 Zack Weinberg <zackw@stanford.edu>
1523 * config.gcc: Where xm-host.h used to include another
1524 xm-host.h, list the nested header directly in xm_file. Remove
1525 references to deleted files. Can now use sparc/xm-sp64.h for
1528 * config/xm-linux.h, config/arm/xm-linux.h,
1529 config/i386/xm-dos.h, config/i386/xm-gnu.h,
1530 config/i386/xm-linux.h, config/i386/xm-openbsd.h,
1531 config/i860/xm-fx2800.h, config/m68k/xm-atari.h,
1532 config/m68k/xm-linux.h, config/m68k/xm-sun3.h,
1533 config/sparc/xm-linux.h, config/sparc/xm-sysv4-64.h:
1536 * config/alpha/xm-alpha-interix.h: Don't include alpha/xm-alpha.h.
1537 * config/mips/xm-iris5.h: Don't include mips/xm-mips.h. Don't
1538 bother to wrap #undef in #ifdef.
1539 * config/pa/xm-linux.h, config/rs6000/xm-sysv4.h:
1540 Don't include xm-linux.h.
1541 * config/sparc/xm-sp64.h: Don't include sparc/xm-sparc.h.
1543 * configure.in: Wrap regexps using [] in changequote block.
1544 Use expr : not echo | grep. Simplify regexps.
1545 * configure: Regenerate.
1547 56 xm-files remain, 22 xm-arch.
1549 2001-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1551 * mips-tfile.c: Cast arg to PTR when specifier is HOST_PTR_PRINTF.
1552 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
1553 (local_index, local_rindex): Delete, use strchr/strrchr instead.
1554 (copy_object): Fix format specifier vs argument mismatch.
1556 * mips-tdump.c: Make local functions static.
1557 (rindex): Don't #undef.
1558 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
1559 (fatal, fancy_abort): Delete.
1560 (read_seek): Avoid signed/unsigned compare.
1562 Sun Mar 11 17:01:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1564 * combine.c (try_combine): Fix error in change to try original
1566 (gen_rtx_combine): Do same as gen_rtx for now.
1568 2001-03-11 Zack Weinberg <zackw@stanford.edu>
1570 * configure.in: AC_SUBST xm_defines.
1571 * configure: Regenerate.
1572 * Makefile.in: Set DEFINES=$(xm_defines) when building
1575 2001-03-11 Neil Booth <neil@daikokuya.demon.co.uk>
1577 * cppfiles.c (INCLUDE_LEN_FUDGE, ENOMEM): Delete.
1578 (cpp_included, find_include_file): Update.
1579 (_cpp_compare_file_date): Make else unconditional.
1581 2001-03-10 kaz Kojima <kkojima@rr.iij4u.or.jp>
1583 * config/sh/sh.h (LEGITIMATE_PIC_OPERAND_P): Defined.
1585 2001-03-10 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
1587 * config/sh/sh.md (umulhisi3_i, mulhisi3_i): Fix mnemonics.
1588 * config/sh/lib1funcs.asm (mulsi3): Convert mulu to mulu.w.
1590 Sat Mar 10 22:42:05 2001 Alexandre Oliva <aoliva@redhat.com>
1592 * tree.c (build_common_tree_nodes_2): Don't copy va_list_type_node
1593 if it's a record type.
1595 Sat Mar 10 17:52:54 2001 Christopher Faylor <cgf@cygnus.com>
1597 * config/i386/cygwin.h: Make ../w32api a system directory. Reorganize
1598 mingw includes slightly.
1600 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1602 * system.h (malloc, realloc, calloc, strdup, bzero, bcmp, rindex):
1603 #undef token before poisoning it.
1605 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1607 * alpha.c (check_float_value): Use memcpy, not bcopy.
1609 * m32r.c (m32r_sched_reorder): Likewise.
1611 * vax.c (check_float_value): Likewise.
1613 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
1615 * toplev.c (file_name_nondirectory): Remove.
1616 * toplev.h: Similarly.
1617 * dwarf2out.c (compute_section_prefix): Use lbasename instead
1618 of file_name_nondirectory.
1620 Sat Mar 10 10:36:45 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1622 * mips-tdump.c (read_seek): Call xmalloc, not malloc.
1623 * mips-tfile.c: Don't #undef rindex; not used.
1625 Sat Mar 10 14:34:59 CET 2001 Jan Hubicka <jh@suse.cz>
1627 * i386.h (DBX_REGISTER_NUMBER): Return proper values for 64bits.
1628 (dbx64_register_map): Declare.
1629 (RETURN_ADDR_RTX): Fix for 64bit.
1630 (DWARF_FRAME_RETURN_COLUMN): Set to 16 for 64bit.
1631 (INCOMING_FRAME_SP_OFFSET): Set to 8.
1632 * i386.c (dbx64_register_map): New global array.
1633 * beos-elf.h, freebsd.h, i386-interix.h, i386elf.h,
1634 linux.h (DBX_REGISTER_REGNUMBER): Use dbx64_register_map
1637 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
1639 * cppfiles.c (search_from): Use lbasename.
1640 * mkdeps.c (deps_add_default_target): Use lbasename.
1642 2001-03-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1644 * fixinc/server.c (load_data, run_shell): Use xmalloc, xrealloc &
1645 xcalloc in lieu of malloc, realloc & calloc.
1647 * gencheck.c (xmalloc): Use really_call_malloc, not malloc.
1649 * gengenrtl.c (xmalloc): Likewise.
1651 * gensupport.c (xcalloc, xrealloc, xmalloc): Use the
1652 really_call_* memory allocation routines.
1654 * stmt.c (check_for_full_enumeration_handling): Use
1655 really_call_calloc, not calloc.
1657 * system.h (really_call_malloc, really_call_calloc,
1658 really_call_realloc): Define.
1659 (malloc, realloc, calloc, strdup, bzero, bcmp, rindex): Poison.
1661 Fri Mar 9 18:39:19 2001 Jeffrey A Law (law@cygnus.com)
1663 * pa.md (builtin_longjmp): Rework slightly to work for PA64 too.
1665 2001-03-09 Nicola Pero <n.pero@mi.flashnet.it>
1667 * configure: Rebuilt.
1668 * configure.in: Only use `lang_requires' for languages athat are
1671 2001-03-09 Joseph S. Myers <jsm28@cam.ac.uk>
1673 * invoke.texi: Fix typo.
1674 * gcc.1: Regenerate.
1676 2001-03-09 Zack Weinberg <zackw@stanford.edu>
1678 * configure.in: Prune nonexistent files from build_xm_file,
1679 xm_file, and host_xm_file lists. Warn unless they're
1681 Don't generate *config.h here.
1682 AC_SUBST all variables needed to generate *config.h.
1683 * configure: Regenerate.
1684 * mkconfig.sh: New helper script, from code removed from
1686 * Makefile.in: Zap all MALLOC variables - no longer used
1687 anywhere, and malloc.c doesn't exist.
1688 Substitute in variables needed to generate *config.h.
1689 Stop lying about the dependencies contained in CONFIG_H and
1691 (HCONFIG_H, TCONFIG_H, TM_P_H): New variables.
1692 (config.h, hconfig.h, tconfig.h, tm_p.h, cs-config.h,
1693 cs-hconfig.h, cs-tconfig.h, cs-tm_p.h): New rules.
1694 (all .o): Add dependencies on $(HCONFIG_H), $(TCONFIG_H),
1695 $(TM_P_H), etc. as appropriate.
1697 * config.gcc: Zap references to deleted files.
1698 * ggc-none.c: Don't include rtl.h or tm_p.h.
1700 * config/i386/xm-beos.h, config/i386/xm-dgux.h,
1701 config/i386/xm-djgpp.h, config/i386/xm-dos.h,
1702 config/i386/xm-gnu.h, config/i386/xm-i386-interix.h,
1703 config/i386/xm-linux.h, config/i386/xm-linux.h,
1704 config/i386/xm-next.h, config/i386/xm-openbsd.h,
1705 config/i386/xm-sun.h, config/i386/xm-sysv3.h:
1706 Don't include i386/xm-i386.h.
1708 * config/elxsi/xm-elxsi.h, config/i386/xm-bsd386.h,
1709 config/i386/xm-i386.h, config/i860/xm-i860.h,
1710 config/i960/xm-i960.h, config/mcore/xm-mcore.h,
1711 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
1712 config/pj/xm-pj.h, config/sh/xm-sh.h, config/v850/xm-v850.h:
1713 Delete (empty except comments, #includes of other deleted
1714 files, and macros used nowhere).
1716 Fri Mar 9 20:05:27 CET 2001 Jan Hubicka <jh@suse.cz>
1718 * i386.h (MAX_WCHAR_TYPE_SIZE): New constant to keep tradcpp
1719 independent on TARGET_FLAGS.
1721 Fri Mar 9 19:52:52 CET 2001 Jan Hubicka <jh@suse.cz>
1723 * i386.h (FIRST_PSEUDO_REGISTER): Set to 53.
1725 (FIXED_REGISTERS, CALL_USED_REGISTERS, REG_ALLOC_ONES): Add
1727 (CONDITIONAL_REGISTER_USAGE): Set proper values according to
1729 (FIRST_REX_INT_REG, LAST_REX_INT_REG, FIRST_REX_SSE_REG,
1730 LAST_REX_SSE_REG): define.
1731 (enum reg_class): Add 'LEGACY_REGS'
1732 (REG_CLASS_CONTENTS): Likewise; add extended registers.
1733 (SSE_REGNO_P): Recognize extended registers.
1734 (ANY_QI_REG_P, REX_INT_REGNO_P, REX_INT_REG_P): New.
1735 (REG_CLASS_FROM_LETTER): Add 'R' and 'Q'.
1736 (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P,
1737 REG_OK_FOR_BASE_NONSTRICT_P): Recognize REX registers.
1738 (REG_OK_FOR_STRREG_NONSTRICT_P, REG_OK_FOR_STRREG_STRICT_P,
1739 REG_OK_FOR_STRREG_P): Remove.
1740 (HI_REGISTER_NAMES): Add extended registers.
1741 (ADDITIONAL_REGISTER_NAMES): Likewise.
1742 (QI_REGISTER_NAMES): Add 8bit extended registers.
1743 (DEBUG_REG): Support extended registers.
1744 * i386.c (regclass_map): Add extended registers.
1745 (dbx_register-map): Likewise.
1746 (svr4_dbx_register_map): Likewise.
1747 (print_reg): Support extended registers.
1748 (print_operand): Support 64bit operands.
1750 Fri Mar 9 19:37:46 CET 2001 Jan Hubicka <jh@suse.cz>
1752 * i386.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Set to 128bit for x86_64
1753 (BOOL_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
1754 FLOAT_TYPE_SIZE, LONG_TYPE_SIZE, MAX_LONG_TYPE_SIZE,
1755 DOUBLE_TYPE_SIZE, LONG_LONG_TYPE_SIZE): New constants.
1756 (BITS_PER_WORD, UNITS_PER_WORD, POINTER_SIZE, PARM_BOUNDARY,
1757 STACK_BOUNDARY): Set properly for 64bits.
1758 (MAX_BITS_PER_WORD, MIN_UNITS_PER_WORD): New constants.
1759 (EMPTY_FIELD_BOUNDARY): Define using BITS_PER_WORD.
1760 (BIGGEST_FIELD_ALIGNMENT): Set to 128 for 64bits.
1761 (MOVE_MAX): Set to 16.
1762 (MOVE_MAX_PIECES): 8 for 64bit.
1763 (Pmode): Set to SImode.
1765 Fri Mar 9 09:00:36 2001 Mike Stump <mrs@wrs.com>
1767 * cselib.c (hash_rtx): Ensure that hash isn't zero upon return.
1769 Fri Mar 9 17:38:08 CET 2001 Jan Hubicka <jh@suse.cz>
1771 * i386.h (mask_64bit): New constant.
1772 (target_64bit): New macro.
1773 (target_options): Add '64'/'32'
1774 (target_default): Define.
1775 * cygwin.h freebsd-aout.h i386-interix.h i386.h i386elf.h isc.h
1776 isccoff.h netbsd.h next.h openbsd.h p sco.h sco5.h scodbx.h sequent.h
1777 unix.h win32.h (TARGET_DEFAULT): Rename to TARGET_SUBTARGET_DEFAULT.
1779 Thu Mar 8 23:36:56 2001 Jeffrey A Law (law@cygnus.com)
1781 * config/pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Disable.
1783 Thu Mar 8 23:29:37 2001 John Wehle (john@feith.com)
1785 * rtlanal.c (rtx_varies_p): Check operand 0 of a
1786 LO_SUM unless for_alias is set.
1788 2001-03-08 Stan Shebs <shebs@apple.com>
1790 * objc/objc-act.c: Fix old typos in comments, add comments for
1792 (hash_init): Fix file name in error message.
1793 (hash_enter): Ditto.
1794 (hash_add_attr): Ditto.
1795 (continue_class): Ditto.
1797 2001-03-08 Bruce Korb <bkorb@gnu.org>
1799 gcc.c(main): ensure SIGCHLD handling is set to SIG_DFL so that
1800 wait4() can receive the signal.
1802 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1804 * fixinc/inclhack.def (AAB_dgux_int_varargs): Don't use HTML
1806 * fixinc/fixincl.x: Regenerate.
1808 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1810 * fixinc/inclhack.def (AAA_standards): Undo <standards.h> breakage
1812 * fixinc/fixincl.x: Regenerate.
1814 2001-03-08 Richard Henderson <rth@redhat.com>
1816 * configure.in (HAVE_AS_LEB128): New assembler check.
1817 * configure, config.in: Rebuilt.
1819 Thu Mar 8 19:54:04 CET 2001 Jan Hubicka <jh@suse.cz>
1821 * reg-stack.c (move_for_stack_reg): Avoid non-poping fst for
1824 2001-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1826 * config/ns32k/xm-pc532-min.h, config/we32k/xm-we32k.h: Delete
1827 references to the MAXPATHLEN macro.
1829 * config/alpha/xm-alpha.h, config/arm/xm-arm.h,
1830 config/i386/xm-cygwin.h, config/xm-linux.h: Delete references to
1833 * config/i386/xm-gnu.h, config/xm-gnu.h,
1834 config/alpha/xm-openbsd.h, config/i386/xm-openbsd.h,
1835 config/m68k/xm-openbsd.h, config/mips/xm-openbsd.h,
1836 config/sparc/xm-openbsd.h, config/xm-openbsd.h: Delete empty
1837 and/or unused files.
1839 * config.gcc: Define POSIX in xm_defines as appropriate in lieu of
1840 doing so in various xm-*.h files.
1842 Thu Mar 8 06:32:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1844 * config/i386/i386.md (clrstrsi): Call ix86_set_move_mem_attrs.
1846 2001-03-08 Alexandre Oliva <aoliva@redhat.com>
1848 * configure.in (enable_shared): Support per-package shared-library
1850 * configure: Rebuilt.
1852 2001-03-07 David Edelsohn <edelsohn@gnu.org>
1854 * rs6000.md (cr logic): Add original POWER mnemonic alternative
1855 for crnot. Set operands[5] in splitter.
1857 2001-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1859 * config/i370/xm-mvs.h, config/i370/xm-oe.h,
1860 config/i386/xm-beos.h, config/i386/xm-mingw32.h,
1861 config/m88k/xm-m88k.h, config/mips/xm-iris6.h,
1862 config/mips/xm-openbsd.h, config/pa/xm-pa64hpux.h,
1863 config/pa/xm-pahpux.h, config/rs6000/xm-beos.h,
1864 config/rs6000/xm-darwin.h, config/rs6000/xm-mach.h,
1865 config/rs6000/xm-rs6000.h, config/xm-interix.h: Delete references
1868 * config/vax/xm-vaxv.h, config/a29k/xm-unix.h,
1869 config/i370/xm-i370.h, config/i386/xm-dgux.h,
1870 config/i386/xm-sun.h, config/i386/xm-sysv3.h,
1871 config/m68k/xm-tower.h, config/m68k/xm-aux.h,
1872 config/m68k/xm-hp320.h, config/m68k/xm-amix.h,
1873 config/m68k/xm-altos3068.h, config/m68k/xm-mot3300.h,
1874 config/m68k/xm-m68kv.h, config/m88k/xm-openbsd.h,
1875 config/mips/xm-nws3250v4.h, config/mips/xm-sysv.h,
1876 config/mips/xm-iris3.h, config/mips/xm-iris4.h, config/xm-svr3.h,
1877 config/xm-svr4.h, config/sparc/xm-pbd.h, config/clipper/xm-clix.h:
1878 Delete unused and/or empty files.
1880 * config.gcc: Define USG in xm_defines as appropriate. Define
1881 POSIX in lieu of xm-svr4.h. Delete all references to the SVR3
1882 macro. Remove deleted xm-* files from $xm_files variable.
1884 2001-03-07 Tom Tromey <tromey@redhat.com>
1886 * configure: Rebuilt.
1887 * configure.in: Allow config-lang.in to set `lang_requires' to list
1888 of other required languages.
1890 2001-03-07 Andrew MacLeod <amacleod@redhat.com>
1892 * config/a29k/a29k.c (print_operand): Free a29k_last_prologue_insn
1894 (output_prologue): Use xmalloc not oballoc.
1895 (output_epilog): Free a29k_first_epilogue_insn when finished.
1896 * confif/a29k/a29k.h (PREDICATE_CODES): Remove shift_constant_operand.
1898 2001-03-07 Brad Lucier <lucier@math.purdue.edu>
1900 * builtins.c (expand_builtin_mathfn): Check
1901 flag_unsafe_math_optimizations, not flag_fast_math.
1902 (expand_builtin): Likewise
1903 * combine.c (combine_simplify_rtx): Likewise.
1904 (simplify_if_then_else): Likewise.
1905 * cse.c (fold_rtx): Likewise.
1906 * flags.h: Remove flag_fast_math. Add
1907 flag_unsafe_math_optimizations and flag_trapping_math.
1908 * fold-const.c (negate_expr): Check
1909 flag_unsafe_math_optimizations, not flag_fast_math.
1910 (invert_truthvalue): Likewise.
1911 (fold): Likewise. Before associating operands, check that
1912 code == MULT_EXPR, not code != MULT_EXPR.
1913 * ifcvt.c (noce_try_minmax): Check
1914 flag_unsafe_math_optimizations, not flag_fast_math.
1915 (noce_operand_ok): Check flag_trapping_math, not flag_fast_math.
1916 * invoke.texi: Document -funsafe-math-optimizations and
1917 -fno-trapping-math. Change documentation for -ffast-math.
1918 * jump.c (reversed_comparison_code_parts): Likewise.
1919 (rtx_equal_for_thread_p): Likewise.
1920 * optabs.c (emit_conditional_move): Likewise.
1921 * simplify-rtx.c (simplify_binary_operation): Likewise.
1922 (simplify_relational_operation): Likewise.
1923 (simplify_ternary_operation): Likewise.
1924 * toplev.c: Remove flag_fast_math. Add flag_trapping_math and
1925 flag_unsafe_math_optimizations. Remove fast-math entry from f_options.
1926 Add trapping-math and unsafe-math-optimizations entries to f_options.
1927 (set_fast_math_flags): New, sets flags for -ffast-math.
1928 (set_no_fast_math_flags): New, sets flags for -fno-fast-math.
1929 (decode_f_option): Add code to handle -ffast-math and -fno-fast-math.
1930 * toplev.h: Declare set_fast_math_flags and set_no_fast_math_flags.
1932 * config/alpha/alpha.c (alpha_emit_conditional_branch): Likewise.
1933 (alpha_emit_conditional_move): Initialize local_fast_math to
1934 flag_unsafe_math_optimizations, not flat_fast_math.
1935 * config/c4x/c4x.c (c4x_override_options): Call set_fast_math_flags
1936 instead of setting flag_fast_math to 1.
1937 * config/convex/convex.md: Check flag_unsafe_math_optimizations,
1939 * config/i386/i386.c (override_options): Likewise
1940 * config/i386/i386.md: Likewise.
1941 * config/m68k/m68k.md: Likewise.
1942 * config/mips/mips.md: Likewise.
1943 * config/rs6000/rs6000.c (validate_condition_mode): Likewise.
1944 (rs6000_generate_compare): Likewise.
1946 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
1948 * Makefile.in: Set RANLIB to @RANLIB@.
1951 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
1953 * fixinc/inclhack.def (djgpp_wchar_h): New test.
1954 * fixinc/fixincl.x: Regenerated.
1956 2001-03-07 Richard Henderson <rth@redhat.com>
1958 * config/alpha/alpha.md (call_osf_1_noreturn): New pattern.
1960 2001-03-07 Richard Henderson <rth@redhat.com>
1962 * emit-rtl.c (remove_unnecessary_notes): Verify proper nesting
1963 of block notes and exception handling notes.
1965 * lists.c (init_EXPR_INSN_LIST_cache): Don't check initialized.
1966 * toplev.c (rest_of_compilation): Call init_EXPR_INSN_LIST_cache ...
1967 (compile_file): ... here.
1969 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1971 * fixinc/Makefile.in (FIXINC_DEFS): Add -DHAVE_CONFIG_H.
1973 * fixinc/gnu-regex.c: Don't include auto-host.h since we get
1974 config.h now. Include libiberty.h to handle alloca.
1976 2001-03-06 Zack Weinberg <zackw@stanford.edu>
1978 * c-parse.in (yylexname): New function, split out of _yylex.
1979 (objc_rid_sans_at): New table.
1980 (init_reswords): Initialize it.
1981 (_yylex): Give labels clearer names. Handle CPP_ATSIGN by
1982 retrieving the next token and checking it for significance as
1983 an ObjC keyword or string constant.
1985 * cpplex.c (_cpp_lex_token): Just return CPP_ATSIGN for '@'.
1986 * cpplib.h (TTYPE_TABLE): Add CPP_ATSIGN, drop CPP_OSTRING.
1988 * c-lex.c, c-parse.in, cppmacro.c, cpplex.c: Remove references
1991 2001-03-06 Stephen L Moshier <moshier@mediaone.net>
1993 * config/m68k/m68k.c (const_uint32_operand): Accept any
1994 const_int on a 32-bit host.
1996 2001-03-06 Nicola Pero <n.pero@mi.flashnet.it>
1998 * objc/objc-act.c (init_objc): Set save_lang_status,
1999 restore_lang_status, and mark_lang_status.
2001 2001-03-06 Krister Walfridsson <cato@df.lth.se>
2003 * dwarf2asm.c (dw2_asm_output_delta): Fix smallest_mode_for_size call.
2005 2001-03-06 Neil Booth <neil@daikokuya.demon.co.uk>
2007 * cppinternals.texi: Update.
2009 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2011 * config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
2012 config/alpha/xm-alpha.h, config/arc/xm-arc.h, config/arm/xm-arm.h,
2013 config/c4x/xm-c4x.h, config/clipper/xm-clix.h,
2014 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
2015 config/dsp16xx/xm-dsp16xx.h, config/elxsi/xm-elxsi.h,
2016 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
2017 config/i370/xm-linux.h, config/i370/xm-mvs.h, config/i370/xm-oe.h,
2018 config/i386/xm-i386.h, config/i860/xm-i860.h,
2019 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
2020 config/m32r/xm-m32r.h, config/m68k/xm-m68k.h,
2021 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
2022 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
2023 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
2024 config/pa/xm-linux.h, config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
2025 config/pa/xm-pahpux.h, config/pa/xm-papro.h, config/pj/xm-pj.h,
2026 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
2027 config/rs6000/xm-lynx.h, config/rs6000/xm-rs6000.h,
2028 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
2029 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
2030 config/v850/xm-v850.h, config/vax/xm-vax.h, config/vax/xm-vms.h,
2031 config/we32k/xm-we32k.h: Delete HOST_BITS_PER_* definitions which
2032 match the defaults provided in hwint.h.
2034 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
2035 config/sparc/xm-lynx.h, config/xm-std32.h: Delete files.
2037 * config.gcc (xm_file): Don't set to files which are deleted.
2039 * hwint.h: Provide default values for HOST_BITS_PER_*. No longer
2040 guard this file against these macros being undefined.
2042 2001-03-06 Zack Weinberg <zackw@stanford.edu>
2044 * objc/objc-act.c (objc_add_static_instance): Set DECL_INITIAL
2045 and DECL_DEFER_OUTPUT on the decl we create, before calling
2046 rest_of_decl_compilation.
2048 2001-03-06 Zack Weinberg <zackw@stanford.edu>
2050 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE
2052 * configure, config.in: Regenerate.
2053 * config.gcc: Remove references to deleted files.
2055 * genattr.c, genattrtab.c, genextract.c, genoutput.c,
2056 genrecog.c, rtl.c: Do not use alloca anywhere.
2058 * Makefile.in, build-make, system.h, config/x-interix,
2059 config/x-svr4, config/xm-interix.h, config/xm-openbsd.h,
2060 config/alpha/xm-alpha.h, config/alpha/xm-vms.h,
2061 config/arc/xm-arc.h, config/arm/xm-arm.h,
2062 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
2063 config/h8300/xm-h8300.h, config/i370/x-oe,
2064 config/i370/xm-linux.h, config/i386/x-aix, config/i386/x-beos,
2065 config/i386/x-ncr3000, config/i386/x-sco5,
2066 config/i386/xm-dgux.h, config/i860/x-sysv4,
2067 config/i960/xm-i960.h, config/m32r/xm-m32r.h,
2068 config/m68k/x-crds, config/m68k/x-dpx2, config/m68k/x-hp320,
2069 config/m68k/x-hp320g, config/m69k/x-mot3300,
2070 config/m68k/x-mot3300-gas, config/m68k/xm-amix.h,
2071 config/m68k/xm-hp320.h, config/m68k/xm-m68kv.h,
2072 config/m68k/xm-mot3300.h, config/m88k/x-dolph,
2073 config/m88k/x-sysv4, config/m88k/x-tekXD88,
2074 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
2075 config/mips/x-iris, config/mips/x-iris3,
2076 config/mips/x-sni-svr4, config/mips/x-sysv,
2077 config/mips/xm-iris6.h, config/mips/xm-mips.h,
2078 config/mips/xm-nws3250v4.h, config/pa/x-hpux,
2079 config/pa/x-pa-mpeix, config/pa/xm-pa.h,
2080 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
2081 config/pa/xm-papro.h, config/romp/xm-romp.h,
2082 config/rs6000/x-aix31, config/rs6000/x-aix41,
2083 config/rs6000/x-beos, config/rs6000/x-lynx,
2084 config/rs6000/x-mach, config/rs6000/x-rs6000,
2085 config/rs6000/x-sysv4, config/rs6000/xm-rs6000.h,
2086 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
2087 config/sparc/x-sysv4, config/sparc/xm-linux.h,
2088 config/sparc/xm-pbd.h, config/sparc/xm-sparc.h,
2089 config/vax/xm-vms.h: Eradicate all references to alloca and
2092 * config/xm-alloca.h, config/clipper/x-clix,
2093 config/i386/xm-sysv4.h, config/i860/x-fx2800,
2094 config/i860/x-sysv3, config/m88k/x-sysv3,
2095 config/sparc/xm-sol2.h, config/we32k/x-we32k: Delete
2096 (contained only alloca related hacks).
2098 * config/i386/xm-beos.h, config/rs6000/xm-beos.h: Just define
2101 2001-03-05 Brad Lucier <lucier@math.purdue.edu>
2103 * invoke.texi: Document __FAST_MATH__.
2105 2001-03-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2107 * crtstuff.c: Restore include of auto-host.h.
2109 2001-03-05 Fergus Henderson <fjh@cs.mu.oz.au>
2111 Put main() in a separate file, so that the language
2112 front-end can use a different main().
2115 * toplev.c: (main): Rename as toplev_main.
2116 * toplev.h: Declare toplev_main.
2117 * Makefile.in (OBJS): add toplev.o.
2118 (BACKEND): remove toplev.o, add main.o.
2120 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
2122 * cppfiles.c (search_from): Special case the empty string.
2124 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
2126 * cppfiles.c (_cpp_execute_include): Don't make a null-terminated
2127 copy of the filename. Don't use CPP_PREV_BUFFER. Don't call
2128 strlen or strcpy; we already know the length.
2129 (_cpp_compare_file_date): Similarly.
2130 * cpphash.h (struct cpp_reader): Delete done_initialising.
2131 (CPP_PREV_BUFFER): Delete.
2132 * cppinit.c (cpp_start_read): Don't set done_initialising.
2133 * cpplex.c (parse_string): Guarantee null-termination.
2134 (_cpp_equiv_toklists): Remove.
2135 * cpplib.c (glue_header_name): Null-terminate.
2136 (do_line): Don't leak memory.
2137 * cpplib.h (BT_WEAK): Delete.
2138 * cppmain.c (cb_ident): Strings are now null-terminated.
2140 2001-03-04 Laurynas Biveinis <lauras@softhome.net>
2142 * gcc.c (convert_filename): Append executable suffix
2143 if NO_AUTO_EXE_SUFFIX is not defined.
2144 * gcc.texi: Document NO_AUTO_EXE_SUFFIX.
2145 * config/i386/djgpp.h: Define NO_AUTO_EXE_SUFFIX.
2147 2001-03-03 David O'Brien <obrien@FreeBSD.org>
2149 from 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
2150 * c-parse.gperf, c-gperf.h: Delete.
2151 (c-gperf.h was accidently re-added to the CVS repo in the rev
2152 1.16 commit by tromey)
2154 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
2156 * cpplex.c (_cpp_lex_token): Don't warn about directives in
2157 macro arguments when looking for the '('.
2158 * cppmacro.c (funlike_invocation_p): Set parsing_args to
2159 2 when really parsing arguments; 1 when looking for '('.
2160 Always restore the lexer position.
2162 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
2164 * longlong.h (umul_ppmm): Don't use a multiline string.
2166 2001-03-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
2168 * fixinc/fixlib.h (t_bool): Add identifier `t_bool' in typedef.
2169 * fixinc/server.c (read_pipe_timeout): Use enum t_bool instead of
2170 t_bool in declaration because pcc can't combine volatile with typedef
2173 Sat Mar 3 19:47:13 CET 2001 Jan Hubicka <jh@suse.cz>
2175 * i386.c (ix86_expand_fp_compare): Delay creating of scratch register
2176 until when it is really needed.
2177 (ix86_expand_compare): Update call of ix86_expand_fp_compare.
2178 * i386.h (PREDICATE_CODES): Add all codes for sse_comparison_operator
2179 * i386.md (float?i?f splitter): Don't force source operand to memory
2181 (sse_movdfcc): Fix constraint.
2182 (sse_movdfcc splitter): Handle properly the second alternative.
2184 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
2186 * cpplex.c (parse_string): Unconditionally pedwarn.
2188 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
2191 * cppexp.c (parse_number): Update.
2192 * cpplex.c (parse_string): Pedwarn if multiline string does not
2193 result from a system header's macro.
2194 * cpplib.h (sys_objmacro_p): Rename sys_macro_p.
2195 * cppmacro.c (sys_objmacro_p): Rename sys_macro_p. Return true
2196 for function-like macros too.
2197 * c-lex.c (lex_number): Update.
2199 2001-03-03 Richard Henderson <rth@redhat.com>
2201 * dwarf2out.c (output_call_frame_info): Fix augmentation length.
2203 Sat Mar 3 04:17:17 2001 J"orn Rennecke <amylaar@redhat.com>
2205 * combine.c (try_combine): If split with mode-changed scratch
2206 register didn't work, try the original mode.
2208 Sat Mar 3 03:46:47 2001 J"orn Rennecke <amylaar@redhat.com>
2210 * tm.texi: Change STRUCT_FORCE_BLK to MEMBER_TYPE_FORCES_BLK.
2211 * config/c4x/c4x.h: Likewise.
2212 * stor-layout.c (compute_record_mode): Likewise.
2213 (layout_type, case ARRAY_TYPE): Use MEMBER_TYPE_FORCES_BLK.
2215 2001-03-02 Zack Weinberg <zackw@stanford.edu>
2217 * configure.in: Kill tm.h. Include the files in the $tm_file
2218 list in all three of config.h, hconfig.h, tconfig.h, after the
2219 relevant set of xm_files. Put TARGET_CPU_DEFAULT in all
2220 three, include insn-codes.h in all three (#ifndef GENERATOR_FILE).
2221 * configure: Regenerate.
2222 * Makefile.in (clean): Don't delete tm.h.
2224 * system.h: If SUCCESS_EXIT_CODE and FATAL_EXIT_CODE are not
2225 defined, set them from EXIT_SUCCESS and EXIT_FAILURE. If
2226 those are not defined, set SEC and FEC to 0 and 1.
2227 * gcc.texi: Update to match.
2229 * crtstuff.c: Include tconfig.h, not auto-host.h and tm.h.
2230 * config/fp-bit.c, config/m68k/aux-crt2.asm,
2231 config/m68k/aux-crtn.asm, config/m68k/aux-mcount.c:
2232 Include tconfig.h, not tm.h.
2234 * config/xm-lynx.h, config/xm-std32.h,
2235 config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
2236 config/alpha/xm-alpha.h, config/arc/xm-arc.h,
2237 config/avr/xm-avr.h, config/c4x/xm-c4x.h,
2238 config/clipper/xm-clix.h, config/convex/xm-convex.h,
2239 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
2240 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
2241 config/h8300/xm-h8300.h, config/i370/xm-linux.h,
2242 config/i386/xm-i386.h, config/i860/xm-i860.h,
2243 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
2244 config/m32r/xm-m32r.h, config/m68hc11/xm-m68hc11.h,
2245 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
2246 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
2247 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
2248 config/pa/xm-linux.h, config/pa/xm-pa.h,
2249 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
2250 config/pa/xm-papro.h, config/pdp11/xm-pdp11.h,
2251 config/pj/xm-pj.h, config/romp/xm-romp.h,
2252 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
2253 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
2254 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
2255 config/v850/xm-v850.h, config/vax/xm-vax.h,
2256 config/we32k/xm-we32k.h:
2258 Don't define SUCCESS_EXIT_CODE or FATAL_EXIT_CODE.
2260 * config/i370/xm-i370.h, config/i370/xm-mvs.h,
2261 config/i370/xm-oe.h: Don't include tm.h. Don't define
2263 * config/vax/xm-vms.h: Don't include tm.h.
2265 * config/xm-lynx.h, config/avr/xm-avr.h,
2266 config/fr30/xm-fr30.h, config/pdp11/xm-pdp11.h,
2267 Delete; made empty by above changes.
2268 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
2269 config/rs6000/xm-lynx.h, config/sparc/xm-lynx.h:
2270 Don't include config/xm-lynx.h or tm.h.
2272 * config/xm-gnu.h: Don't include fcntl.h.
2273 * config/sparc/xm-lynx.h: Don't include sys/types.h and
2275 * config/clipper/xm-clix.h, config/vax/xm-vax.h: Don't define isinf.
2277 2001-03-02 Richard Henderson <rth@redhat.com>
2279 * tm.texi (File Framework): Document UNALIGNED_SHORT_ASM_OP,
2280 UNALIGNED_INT_ASM_OP, and UNALIGNED_DOUBLE_INT_ASM_OP.
2282 2001-03-02 Richard Henderson <rth@redhat.com>
2284 * Makefile.in (OBJS): Add dwarf2asm.o.
2285 * dwarf2asm.c, dwarf2asm.h: New files.
2286 * dwarf2out.c (*): Use them.
2287 (size_of_uleb128, size_of_sleb128): Remove.
2288 (output_uleb128, output_sleb128): Remove.
2289 (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Remove.
2290 (UNALIGNED_DOUBLE_INT_ASM_OP, ASM_BYTE_OP): Remove.
2291 (UNALIGNED_OFFSET_ASM_OP, UNALIGNED_WORD_ASM_OP): Remove.
2292 (FDE_LABEL, LINE_NUMBER_BEGIN_LABEL, LINE_NUMBER_END_LABEL): New.
2293 (ASM_OUTPUT_DWARF_DATA1, ASM_OUTPUT_DWARF_DELTA1): Remove.
2294 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_DELTA2): Remove.
2295 (ASM_OUTPUT_DWARF_DATA4, ASM_OUTPUT_DWARF_DELTA4): Remove.
2296 (ASM_OUTPUT_DWARF_DATA, ASM_OUTPUT_DWARF_DELTA): Remove.
2297 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_ADDR_DATA): Remove.
2298 (ASM_OUTPUT_DWARF_ADDR_DELTA, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
2299 (ASM_OUTPUT_DWARF_OFFSET4, ASM_OUTPUT_DWARF_OFFSET): Remove.
2300 (ASM_OUTPUT_DWARF_CONST_DOUBLE): Remove.
2301 (ASM_OUTPUT_DWARF_NSTRING, ASM_OUTPUT_DWARF_STRING): Remove.
2302 (dwarf2out_frame_debug): Remove unused variables.
2303 (output_loc_operands): Don't abort on 8 byte constants if
2304 host integers are wide enough.
2305 (output_symbolic_ref): Remove.
2306 (size_of_die): Don't assume 4 byte host integers.
2307 (output_line_info): Use ASM_GENERATE_INTERNAL_LABEL for begin
2309 (add_const_value_attribute) [CONST_INT]: Verify we're not doing
2310 something stupid with HOST_WIDE_INT to long truncation.
2311 [CONST_DOUBLE]: Likewise.
2313 * config/arm/conix-elf.h (UNALIGNED_WORD_ASM_OP): Remove.
2314 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
2315 * config/arm/unknown-elf.h: Likewise.
2316 * config/rs6000/aix.h (UNALIGNED_SHORT_ASM_OP): New.
2317 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): New.
2318 (ASM_OUTPUT_DWARF_ADDR_VAR, ASM_OUTPUT_DWARF_DELTA_VAR): Remove.
2319 (ASM_OUTPUT_DWARF_DELTA2, ASM_OUTPUT_DWARF_DELTA4): Remove.
2320 (ASM_OUTPUT_DWARF_DELTA, ASM_OUTPUT_DWARF_ADDR_DELTA): Remove.
2321 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_DATA4): Remove.
2322 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_OFFSET4): Remove.
2323 (ASM_OUTPUT_DWARF_OFFSET): Remove.
2324 * config/rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Remove.
2325 * config/sparc/sp64-elf.h (UNALIGNED_DOUBLE_INT_ASM_OP): New.
2326 (UNALIGNED_LONGLONG_ASM_OP, ASM_OUTPUT_DWARF_ADDR): Remove.
2327 (ASM_OUTPUT_DWARF_ADDR_CONST, ASM_OUTPUT_DWARF_REF): Remove.
2329 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
2331 * cselib.c (hash_rtx): Cast enums to unsigned int.
2333 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
2335 * print-rtl.c (print_rtx): Cast enums to int for comparison.
2336 * c-decl.c (grokdeclarator): Cast enums to int for comparison and
2338 * c-format.c (C_STD_VER): Cast to int for comparisons.
2339 (check_function_format): Cast various enums to int for &.
2340 (maybe_read_dollar_number): Likewise.
2341 (check_format_info): Likewise.
2342 (check_format_info_main): Likewise.
2343 * expr.c (emit_move_insn_1): Cast enums to unsigned int for comparison.
2344 (safe_from_p): Likewise.
2345 * varasm.c (const_hash): Cast enum to int for %.
2346 * emit-rtl.c (init_emit_once): Use int loop variable to work around
2347 pcc enum problems with < and ++ operators.
2348 * regclass.c (init_reg_sets_1): Cast enums for comparison.
2349 (choose_hard_reg_mode): Use unsigned int to iterate over CCmodes.
2350 (regclass_init): Change enum class to int to iterate over reg_classes.
2351 * genrecog.c (merge_trees): Cast enums for comparison.
2352 * rtl.h (GET_CODE): Cast to enum rtx_code.
2353 (PUT_CODE): Cast to ENUM_BITFIELD(rtx_code).
2354 (GET_MODE): Cast to enum machine_mode.
2355 (PUT_MODE): Cast to ENUM_BITFIELD(machine_mode).
2356 (GET_NOTE_INSN_NAME): Cast enum to int.
2357 * tree.h (TREE_CODE): Cast to enum tree_code.
2358 (TREE_SET_CODE): Cast VALUE to ENUM_BITFIELD(tree_code).
2359 * timevar.c (timevar_print): Change loop variable id from enum to
2361 * fixinc/fixincl.c (VLEVEL): Cast enums in comparison to unsigned int.
2362 * config/i386/i386.md: Use PUT_MODE for mode assignment.
2363 * toplev.c (compile_file): Cast enum DFI to int.
2364 (decode_d_option): Likewise.
2366 Fri Mar 2 12:18:13 2001 Christopher Faylor <cgf@cygnus.com>
2368 * cppinit.c (append_include_chain): Mark "after" include file name list
2369 as a system directory.
2370 * cpp.texi: Document new behavior.
2372 Fri Mar 2 11:59:43 CET 2001 Jan Hubicka <jh@suse.cz>
2374 * ifcvt.c (noce_operand_ok): Handle properly unarry operations.
2376 2001-03-02 Neil Booth <neil@daikokuya.demon.co.uk>
2378 * cppfiles.c (struct include_file): Update.
2379 (stack_include_file): Use search_from.
2380 (cpp_included, find_include_file): Update.
2381 (cpp_execute_include): Update. ptr->name may not be
2382 null terminated. Use the new search_from member variable
2384 (_cpp_compare_file_date): Similarly.
2385 (search_from): New function, similiar to actual_directory.
2386 (actual_directory): Delete.
2387 (remap_filename): Update. loc->name may not be null terminated.
2388 (struct file_name_list): Rename search_path. Update.
2389 * cpphash.h (struct cpp_buffer): Delete actual_dir. New members
2390 search_from and dir.
2391 (struct cpp_reader): Remove actual_dirs.
2392 * cppinit.c (struct cpp_pending): Update for renamed objects.
2393 (append_include_chain, remove_dup_dir, remove_dup_dirs,
2394 merge_include_chains, cpp_destroy, cpp_start_read): Similarly.
2395 * cpplib.h (struct cpp_options): Similarly.
2397 2001-03-01 Zack Weinberg <zackw@stanford.edu>
2399 * config/xm-lynx.h, config/xm-std32.h, config/a29k/xm-a29k.h,
2400 config/a29k/xm-unix.h, config/alpha/xm-alpha.h,
2401 config/arc/xm-arc.h, config/arm/xm-arm.h, config/c4x/xm-c4x.h,
2402 config/clipper/xm-clix.h, config/convex/xm-convex.h,
2403 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
2404 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
2405 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
2406 config/i370/xm-linux.h, config/i370/xm-mvs.h,
2407 config/i370/xm-oe.h, config/i386/xm-aix.h,
2408 config/i386/xm-i386.h, config/i386/xm-osf.h,
2409 config/i860/xm-i860.h, config/i960/xm-i960.h,
2410 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
2411 config/m68k/xm-m68k.h, config/m88k/xm-m88k.h,
2412 config/mcore/xm-mcore.h, config/mips/xm-mips.h,
2413 config/mn10200/xm-mn10200.h, config/mn10300/xm-mn10300.h,
2414 config/ns32k/xm-ns32k.h, config/pa/xm-linux.h,
2415 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
2416 config/pa/xm-pahpux.h, config/pa/xm-papro.h,
2417 config/pj/xm-pj.h, config/romp/xm-romp.h,
2418 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
2419 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
2420 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
2421 config/v850/xm-v850.h, config/vax/xm-vax.h,
2422 config/vax/xm-vms.h, config/we32k/xm-we32k.h:
2423 Do not define TRUE or FALSE.
2425 * config/i386/xm-aix.h, config/i386/xm-osf.h: Delete; made
2426 empty by above change.
2427 * config.gcc: Remove references to these files.
2429 * configure.in: Detect stdbool.h.
2430 * configure, config.in: Regenerate.
2431 * system.h: Include stddef.h here if available.
2432 Set HAVE__BOOL based on GCC_VERSION and __STDC_VERSION__.
2433 Then set up a sensible boolean type at the very end.
2435 * combine.c, cse.c, expr.c, fold-const.c, gensupport.c,
2436 config/mcore/mcore.c: Rename variables named 'true' and/or 'false'.
2438 * hash.h: Delete 'boolean' typedef and related #undefs.
2440 * function.c, ggc-common.c, hash.h, hash.c, tlink.c: Replace
2441 all uses of 'boolean' with 'bool'.
2443 2001-03-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
2445 * cpplib.c (_cpp_init_stacks): Cast enum for comparison.
2446 * cppexp.c (lex): Cast enums for comparison.
2447 * cppinit.c (parse_option): Cast enum for comparison.
2448 * cpplex.c (cpp_spell_token): Cast enums to int for minus.
2449 (cpp_output_token): Likewise.
2450 (cpp_can_paste): Cast enums for comparsion and plus/minus.
2451 (cpp_avoid_paste): Cast enums for minus and comparison.
2453 2001-03-01 Zack Weinberg <zackw@stanford.edu>
2455 * gcc.c, objc/lang-specs.h: Add zero initializer for cpp_spec
2456 field to all array elements.
2458 2001-03-01 Zack Weinberg <zackw@stanford.edu>
2460 * cpphash.h (struct cpp_reader): Add print_version field.
2461 * cppinit.c (cpp_handle_option): For -v, -version, and --version,
2462 just set print_version and other flags as appropriate.
2463 (cpp_post_options): Print version here if print_version is set.
2465 * toplev.c (exit_after_options): New flag.
2466 (independent_decode_option): Don't exit here; just set
2468 (main): Exit after calling lang_hooks.post_options if
2469 exit_after_options is true.
2471 * cppinit.c (append_include_chain): Drop never-used case QUOTE.
2472 (merge_include_chains): Adjust comment to match code.
2474 2001-03-01 Zack Weinberg <zackw@stanford.edu>
2476 * stringpool.c (set_identifier): New function.
2477 * tree.h: Prototype it.
2479 * c-parse.in: Kill D_YES. If compiled for objc, call
2480 save_and_forget_protocol_qualifiers from init_reswords.
2481 * objc/objc-act.c (remember_protocol_qualifiers,
2482 forget_protocol_qualifiers): Don't diddle C_IS_RESERVED_WORD.
2483 Swap out the non-keyword IDENTIFIER_NODEs for keyword ones, or
2485 (save_and_forget_protocol_qualifiers): New function.
2486 * c-lex.h: Prototype save_and_forget_protocol_qualifiers.
2488 2001-03-01 Diego Novillo <dnovillo@redhat.com>
2490 * c-semantics.c (prune_unused_decls): Return error_mark_node
2491 instead of (tree) 1 to stop traversing the tree chain.
2493 2001-03-01 Bernd Schmidt <bernds@redhat.com>
2495 Fix a problem introduced by Kenner's Feb 18 change.
2496 * toplev.c (rest_of_compilation): Disable flag_cse_follow_jumps and
2497 flag_cse_skip_blocks only temporarily, not for ever.
2499 Thu Mar 1 09:49:58 2001 Jeffrey A Law (law@cygnus.com)
2501 * config/pa/som.h (ASM_IDENTIFY_GCC): Define.
2502 (ASM_IDENTIFY_GCC_AFTER_SOURCE): Likewise.
2504 * pa.c (emit_move_sequence): Verify operand0 is a hard register
2505 before determining its register class.
2507 2001-03-01 Bernd Schmidt <bernds@redhat.com>
2509 * config/ia64/ia64.c (ia64_hard_regno_rename_ok): Disallow renaming
2510 from reg 4 if current_function_calls_setjmp.
2511 (gen_nop_type): New function.
2512 (ia64_emit_nops): New function.
2513 (ia64_reorg): Call it.
2514 (ia64_sched_reorder): Move code that rotates bundles up a bit.
2516 * reload1.c (eliminate_regs_in_insn): Restrict the special case
2517 code not to try to optimize adds with anything but a REG destination.
2519 * sched-int.h (struct haifa_insn_data): Add new member priority_known.
2520 (INSN_PRIORITY_KNOWN): New accessor macro.
2521 * haifa-sched.c (priority): Use it instead of testing priority against
2524 2001-02-28 DJ Delorie <dj@redhat.com>
2526 * config/m68k/m68k.h (MOVE_BY_PIECES_P): Avoid pushing bytes,
2527 since that doesn't work the way gcc wants on a generic m68k.
2529 2001-02-28 Richard Henderson <rth@redhat.com>
2531 * caller-save.c (save_call_clobbered_regs): Fix typo in
2532 comparison last change.
2534 Wed Feb 28 19:31:42 CET 2001 Jan Hubicka <jh@suse.cz>
2536 * i386.c (pentium4_cost): New.
2537 (m_PENT4): New macro.
2538 (x86_push_memory, x86_movx,x86_cmove, x86_deep_branch, x86_use_sahf
2539 x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8
2540 x86_integer_DFmode_moves, x86_partial_reg_dependency,
2541 x86_memory_mismatch_stall): Add Pentium4
2542 (x86_use_q_reg, x86_use_any_reg): Kill.
2543 (override_options): Add pentium4.
2544 (incdec_operand): Return 0 for pentium4.
2545 (ix86_issue_rate): Add PROCESSOR_PENTIUM4 and PROCESSOR_ATHLON.
2546 * i386.h (x86_use_q_reg, x86_use_any_reg): Kill.
2547 (TARGET_PENTIUM4): Define.
2548 (enum processor_type): Add PROCESSOR_PENTIUM4.
2549 (CPP_CPU_DEFAULT_SPEC): Add pentium4 support.
2550 * i386.md (attribute "cpu"): Add pentium4.
2551 * invoke.texi (march): Add pentium4.
2553 Wed Feb 28 19:28:06 CET 2001 Jan Hubicka <jh@suse.cz>
2555 * i386.md (sse_mov?fcc*): New patterns and splitters.
2556 * i386.c (ix86_expand_movcc): Work post-reload; recognize
2557 the SSE based conditional moves.
2559 Wed Feb 28 19:18:23 CET 2001 Jan Hubicka <jh@suse.cz>
2561 * i386.md (attribute mode): Add "TI".
2562 (movsf_1): Add pxor support; remove constant propagation splitter.
2563 (movdf_integer): Likewise.
2564 (movdf_nointeger): Likewise.
2565 (movxf constant prop splitter): Handle all modes; update for SSE.
2566 * i386.h (CONST_DOUBLE_OK_FOR_LETTER): Add 'H' for SSE constants.
2567 * i386.c (standard_80387_constant_p): Rewrite.
2568 (standard_sse_constant_p): New.
2569 * i386-protos.h (standard_sse_constant_p): New.
2571 Wed Feb 28 19:05:37 CET 2001 Jan Hubicka <jh@suse.cz>
2573 * i386.md (sse_setccsf, sse_setccdf): New.
2574 (sse_cmp* patterns): Use '%D' instead of outputtting condition
2576 * i386.c (sse_comparison_operator): Accept the supported unordered
2577 comparses; be ready for fast_math.
2578 (print_operand): Support 'D'.
2580 Wed Feb 28 18:54:51 CET 2001 Jan Hubicka <jh@suse.cz>
2582 * jump.c (reversed_comparison_code): Kill.
2584 Wed Feb 28 18:50:15 CET 2001 Jan Hubicka <jh@suse.cz>
2586 * toplev.c (rest_of_compilation): Do post-reload splitting unconditionally
2589 Wed Feb 28 18:47:37 CET 2001 Jan Hubicka <jh@suse.cz>
2591 * i386.md (sse_andti3, sse_nandti_3, sse_xorti3): Add SSE2 versions;
2592 add missing '%' in constraints.
2594 Wed Feb 28 17:24:24 CET 2001 Jan Hubicka <jh@suse.cz>
2596 * c-common.c (build_common_tree_nodes): Build intTI_type_nodes
2597 for HOST_BITS_PER_WIDE_INT == 32 too.
2599 Wed Feb 28 17:22:35 CET 2001 Jan Hubicka <jh@suse.cz>
2601 * caller-save.c (reg_save_code, reg_restore_code): Index by mode, not
2603 (insert_save, insert_restore): New parameter save_mode.
2604 (init_caller_save): Update initialization of reg_save_code
2605 and reg_restore_code.
2606 (save_call_clobbered_regs): Compute save_modes and update calls to
2607 reg_save_code and reg_restore_code.
2608 (insert_restore): Unsignetize numbers; use save_modes to choose mode
2609 of spill; update use of reg_restore_code.
2610 (insert_save): Likewise.
2611 * i386.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
2612 * c4x.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
2613 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): Likewise.
2615 Wed Feb 28 17:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
2617 * ifcvt.c (noce_emit_store_flag, noce_try_store_flag_constants,
2618 noce_try_store_flag_inc, noce_try_store_flag_mask,
2619 noce_try_cmove_arith):
2620 Use reversed_comparison_code instead of reverse_comparison and
2621 can_reverse_comparison_p.
2623 Wed Feb 28 17:17:29 CET 2001 Jan Hubicka <jh@suse.cz>
2625 * jump.c (reversed_comparison_code_parts): Allow reversal of
2626 unordered compares in -ffast-math mode; reverse ordered compares
2627 for FP even w/o -ffast-math.
2629 2001-02-27 Richard Henderson <rth@redhat.com>
2631 * print-rtl.c (print_rtx) [i]: Don't print field five on
2632 NOTEs other than NOTE_INSN_DELETED_LABEL.
2634 2001-02-27 Zack Weinberg <zackw@stanford.edu>
2636 * mips/xm-iris4.h: Delete #if 0 block (there since before 1997).
2637 * pa/xm-linux.h, pa/xm-pa.h, pa/xm-papro.h: Don't declare errno.
2639 2001-02-27 Diego Novillo <dnovillo@redhat.com>
2641 * c-common.c (walk_stmt_tree): Visit the chain of the current tree
2642 even if walk_subtrees is 0.
2643 * c-semantics.c (prune_unused_decls): Return a non-null value to
2644 stop traversing the tree chain.
2646 2001-02-27 DJ Delorie <dj@redhat.com>
2648 * config/m68k/m68k.c (output_function_prologue): Save the new CFA
2649 register, *then* define it as the new CFA.
2651 Tue Feb 27 16:49:13 2001 Jeffrey A Law (law@cygnus.com)
2653 * pa.c (override_options): Promote -fpic to -fPIC.
2654 (legitimize_pic_address): Simplify due to removal of
2655 small PIC as a code generation option.
2656 (secondary_reload_class): Similarly.
2657 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Similarly.
2658 (PRINT_OPERAND_ADDRESS): Similarly.
2659 * pa.md (various patterns): Similarly.
2660 (small pic lo_sum pattern): Remove.
2662 Tue Feb 27 16:01:13 CET 2001 Jan Hubicka <jh@suse.cz>
2665 * md.texi (min, max): Document
2667 Tue Feb 27 15:51:35 CET 2001 Jan Hubicka <jh@suse.cz>
2669 * i386.md (movsf, movdf): Use movaps for reg-reg moves if
2670 TARGET_PARTIAL_REG_DEPENDENCY.
2671 (truncdfsf2_1_sse, truncdfsf2_2): Penalize the fpreg->mem case.
2673 Tue Feb 27 15:36:48 CET 2001 Jan Hubicka <jh@suse.cz>
2675 * i386.md (mins*, maxs*): New patterns, expanders and splitters.
2677 2001-02-26 Jeffrey Oldham <oldham@codesourcery.com>
2679 * mips.c (mips_make_temp_file): Fix thinko in last change.
2681 2001-02-26 Jason Eckhardt <jle@redhat.com>
2683 * combine.c (known_cond): Do not reverse the condition when
2684 SMAX/UMAX is being considered and the condition is for equality
2687 * testsuite/gcc.c-torture/execute/20010221-1.c: New test.
2689 2001-02-26 Philip Blundell <philb@gnu.org>
2691 * config.gcc: Remove obsolete targets "arm*-*-linuxoldld" and
2693 * config/arm/linux-elf.h: Remove historical relics related to
2694 above configurations.
2695 * config/arm/linux-oldld.h: Delete.
2696 * config/arm/linux-elf26.h: Delete.
2698 2001-02-26 Jason Merrill <jason@redhat.com>
2700 * c-decl.c (finish_decl): Set DECL_DEFER_OUTPUT on tentative file-scope
2702 * toplev.c (rest_of_decl_compilation): Check DECL_DEFER_OUTPUT to
2703 recognize a tentative definition. Lose obsolete code.
2705 * toplev.c (wrapup_global_declarations): Don't emit DECL_COMDAT
2706 variables unless necessary, either.
2708 2001-02-25 Richard Henderson <rth@redhat.com>
2710 * ifcvt.c (struct noce_if_info): Add test_bb.
2711 (noce_get_alt_condition): New.
2712 (noce_try_minmax, noce_try_abs): New.
2713 (noce_operand_ok): New.
2714 (noce_process_if_block): Use them.
2715 * rtlanal.c (may_trap_p): NEG and ABS can never trap.
2717 Sun Feb 25 14:26:17 2001 Christopher Faylor <cgf@cygnus.com>
2719 * config/i386/cygwin.h (CPP_SPEC): Add missing space before w32api
2722 2001-02-25 Zack Weinberg <zackw@stanford.edu>
2724 * config.gcc: Put back pa/t-openbsd and rs6000/t-openbsd.
2725 * config/mips/mips.c (mips_make_temp_file): Set temp_filename
2727 (mips_asm_file_end): Free temp_filename here.
2729 Sun Feb 25 08:34:23 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2731 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): Move decl.
2732 * config/i386/i386.c (ix86_set_move_mem_attrs_1): Fix typo.
2734 * config/i386/i386.md (movstrsi): Handle FAIL case.
2736 2001-02-25 Neil Booth <neil@daikokuya.demon.co.uk>
2738 * cppinit.c (builtin_array): Update.
2739 (init_builtins): Flag builtins to warn if redefined or
2740 undefined. Define __GXX_WEAK as a normal macro.
2741 * cpplib.c (do_undef): Warn if flagged NODE_WARN.
2742 * cpplib.h (NODE_WARN): New flag.
2743 * cppmacro.c (builtin_macro): Remove handling of __GXX_WEAK__.
2744 Handle __STDC__ as a builtin only on Solaris.
2745 (warn_of_redefinition): Renamed from check_macro_definition.
2746 Reverse sense of test. Always warn if NODE_WARN.
2747 (_cpp_create_definition): Use warn_of_redefinition. Flag
2748 any macro beginning with "__STDC_" to require a mandatory
2749 warning if redefined or undefined.
2751 2001-02-24 Zack Weinberg <zackw@stanford.edu>
2753 * xm-interix.h, xm-lynx.h, alpha/xm-vms.h, convex/xm-convex.h,
2754 i370/xm-i370.h, i370/xm-linux.h, i370/xm-mvs.h, i370/xm-oe.h,
2755 i386/xm-beos.h, i386/xm-dos.h, i386/xm-mingw32.h,
2756 i860/xm-i860.h, m68k/xm-3b1.h, m68k/xm-amix.h, m68k/xm-aux.h,
2757 m68k/xm-crds.h, m68k/xm-mot3300.h, m88k/xm-sysv3.h,
2758 mips/xm-mips.h, rs6000/xm-beos.h, vax/xm-vms.h:
2759 Don't define any of:
2760 USE_PROTOTYPES, vfork, mktemp, SVR3, NO_SYS_PARAMS_H,
2761 P_tmpdir, MVS, NO_DBX_FORMAT, USE_STDARGS, STDC_HEADERS,
2762 NO_PRECOMPILES, i860, __PTR_TO_INT, __INT_TO_PTR, rindex,
2763 index, FULL_PROTOTYPES, AUX, R_OK, W_OK, X_OK, F_OK,
2764 STACK_DIRECTION, MIPS, MAX_READ_LEN, MAX_WRITE_LEN.
2766 * alpha/xm-alpha.h, clipper/xm-clix.h, d30v/xm-d30v.h,
2767 fr30/xm-fr30.h, i370/xm-linux.h: Remove commented-out macro
2770 * m68k/xm-3b1.h, m68k/xm-crds.h, m88k/xm-sysv3.h:
2771 Delete now-empty file.
2773 * alpha/vms.h: Define NEED_ATEXIT here...
2774 * alpha/xm-vms.h: ...not here.
2776 * i386/cygwin.h: Don't define PARAMS.
2777 * mips/mips.c: Don't prototype mktemp. Don't define
2778 P_tmpdir. Use make_temp_file to create temporary files.
2779 Don't be clever and delete temporary files early.
2780 * config.gcc: Drop references to deleted files. Don't define
2782 * gcc.texi: Don't mention USE_PROTOTYPES.
2784 Sat Feb 24 20:25:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2786 * config/i386/i386.c (ix86_set_move_mem_attrs): New function.
2787 (ix86_set_move_mem_attrs_1): Likewise.
2788 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): New declaration.
2789 * config/i386/i386.md (movstrsi): Call it.
2791 2001-02-24 Zack Weinberg <zackw@stanford.edu>
2793 * config.gcc: Expunge references to alpha/t-pe, pa/t-openbsd,
2794 x-linux-aout, i386/t-go32, t-osf, m68k/x-m68kv,
2795 ns32k/xm-netbsd.h, rs6000/t-openbsd, rs6000/t-xnewas,
2796 rs6000/x-aix41-gld. These are nonexistent, empty, or obsolete.
2798 (i750a-*-*): Error here if hosting on i750a.
2799 (alpha*-*-winnt*, ix86-*-winnt3*): Remove stanzas entirely.
2801 * x-linux-aout, xm-freebsd.h, i386/beos-pe.h, ns32k/xm-netbsd.h:
2802 Remove (empty modulo comments).
2804 * 1750a/xm-1750a.h, alpha/config-nt.sed, alpha/win-nt.h,
2805 alpha/xm-winnt.h, i386/config-nt.sed, i386/os2.h,
2806 i386/t-winnt, i386/win-nt.h, i386/xm-freebsd.h, i386/xm-os2.h,
2807 i386/xm-winnt.h, m68k/x-alloca-c, m88k/x-dguxbcs,
2808 mips/x-netbsd, mips/x-nws3250v4, rs6000/t-xnewas,
2809 rs6000/t-xrs6000, rs6000/xm-cygwin.h: Remove (obsolete)
2811 * i386/crtdll.h, i386/cygwin.h, i386/mingw32.h:
2812 Remove reference to winnt.h in comment.
2813 * rs6000/t-newas, rs6000/t-rs6000: Override LIBGCC1_TEST to null.
2815 2001-02-24 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2817 * loop.c (check_dbra_loop): A biv has uses besides counting if it is
2818 used to set another biv.
2820 Sat Feb 24 06:45:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2822 * tree.h (BLOCK_DEAD): New macro.
2823 (struct tree_block): New flag, dead_flag.
2824 * print-tree.c (print_node, case 'b'): Print missing fields.
2825 * emit-rtl.c (remove_unnecessary_notes): Set BLOCK_DEAD.
2826 * function.c (identify_blocks): Enable test for misplaced notes.
2827 (all_blocks): Skip BLOCK_DEAD blocks.
2828 * integrate.c (integrate_decl_tree): Likewise.
2830 * errors.c (internal_error, trim_filename): New functions.
2831 (fancy_abort): Call internal_error.
2832 * errors.h (internal_error, trim_filename): New declarations.
2834 2001-02-24 Alexandre Oliva <aoliva@redhat.com>
2836 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Reverted
2838 (EXTRA_CONSTRAINT): Formatting changes.
2840 2001-02-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2842 * rtl.c (rtl_check_failed_code2): Fix typo in last change.
2844 2001-02-23 Per Bothner <per@bothner.com>
2846 * gcc.c (record_temp_file, pfatal_with_name, error): Make non-static,
2847 so they can be called from java/jvspec.c.
2848 * gcc.h (record_temp_file, pfatal_with_name, error): Declare.
2850 Sat Feb 24 03:32:50 CET 2001 Jan Hubicka <jh@suse.cz>
2852 * i386.c (ix86_frame): New structure.
2853 (ix86_compute_frame_size): Kill.
2854 (ix86_compute_frame_layout): New.
2855 (ix86_save_reg): New.
2856 (ix86_can_use_return_insn_p): Use frame layout stuff.
2857 (ix86_expand_prologue): Likewise.
2858 (ix86_expand_epilogue): Likewise.
2859 (ix86_initial_elimination_offset): Likewise.
2860 (ix86_nsaved_regs): Use ix86_save_reg.
2861 (ix86_emit_save_regs): Likewise.
2863 Sat Feb 24 03:30:38 CET 2001 Jan Hubicka <jh@suse.cz>
2865 * flow.c (find_sub_basic_blocks): New function.
2866 (split_block): Be ready for basic block introduced by CODE_LABEL.
2867 (commit_one_edge_insertion): Call find_sub_basic_block.
2869 * flow.c (make_edges): Add edge from entry for blocks starting with
2870 label having ALTERNATE_NAME
2872 Sat Feb 24 03:19:42 CET 2001 Jan Hubicka <jh@suse.cz>
2874 * function.c (epilogue_done): Be ready for first basic block not
2875 containing PROLOGUE_END note.
2876 (reposition_prologue_and_epilogue_notes): Avoid placing
2877 PROLOGUE_END note between BASIC_BLOCK.
2879 Sat Feb 24 03:17:09 CET 2001 Jan Hubicka <jh@suse.cz>
2881 * loop.c (canonicalize_condition): Move to reversed_comparison_code.
2883 2001-02-21 DJ Delorie <dj@redhat.com>
2885 * config/i960/i960.h (FRAME_POINTER_REQUIRED): Revert removal of
2886 check for current_function_has_nonlocal_goto from 1999-11-12.
2888 Fri Feb 23 15:28:39 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2890 * diagnostic.c (trim_filename): No longer static.
2891 * toplev.h (trim_filename): Declare.
2892 * rtl.c (rtl_check_failed_bounds): Call internal_error.
2893 (rtl_check_failed_type1, rtl_check_failed_type2): Likewise.
2894 (rtl_check_failed_code1, rtl_check_failed_code2): Likewise.
2895 (rtvec_check_failed_bounds): Likewise.
2896 * tree.c (tree_check_failed, tree_class_check_failed): Likewise.
2898 * convert.c (convert_to_integer): Don't do unsigned unless result or
2899 both inputs are unsigned.
2901 * fold-const.c (fold_convert): Don't call size_int_type_wide if
2904 * c-decl.c (set_block): Set NAMES and BLOCKS from BLOCK.
2906 * varasm.c (output_constant): Recompute CODE after lang-specific fn.
2908 2001-02-23 Jeffrey Oldham <oldham@codesourcery.com>
2910 * Makefile.in (resource.o): Add params.h dependence.
2911 * params.def (MAX_DELAY_SLOT_LIVE_SEARCH): New parameter.
2912 * params.h (MAX_DELAY_SLOT_LIVE_SEARCH): Likewise.
2913 * resource.c: Add dependence on params.h.
2914 (current_live_regs): Fix explanatory comment.
2915 (find_basic_block): Add new parameter to permit limiting search
2917 (mark_target_live_regs): Add new argument to find_basic_block call.
2918 (incr_ticks_for_insn): Likewise.
2920 2001-02-23 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
2922 * diagnostic.c (output_to_stream): Rename to
2923 output_buffer_to_stream. Loses the stream parameter.
2924 (init_output_buffer): Set diagnosic_buffer's stream.
2925 (flush_diagnostic_buffer): Adjust.
2926 (default_print_error_function): Likewise.
2927 (finish_diagnostic): Likewise.
2928 (verbatim): Likewise.
2930 * diagnostic.h (struct output_buffer): Add `stream' field.
2931 (output_buffer_attached_stream): New macro.
2933 2001-02-23 Jakub Jelinek <jakub@redhat.com>
2935 * fold-const.c (extract_muldiv) [case PLUS_EXPR]: If not MULT_EXPR,
2936 check if either operand is divisible by C.
2937 (multiple_of_p): Handle LSHIFT_EXPR with small constant shift.
2938 If type is signed, consider negative numbers as well.
2940 2001-02-22 Richard Henderson <rth@redhat.com>
2942 * config/ia64/crtbegin.asm (.fini): Use pc-relative relocs to
2943 reach .text instead of gp-relative relocs.
2944 * config/ia64/crtend.asm (.init): Likewise.
2946 2001-02-22 Andreas Jaeger <aj@suse.de>
2948 * extend.texi (C++ Attributes): Fix typo.
2950 2001-02-21 David Mosberger <davidm@hpl.hp.com>
2952 * config/ia64/ia64.c (ia64_epilogue_uses): For syscall_linkage
2953 functions, drop current_function_args_info.words test.
2954 (ia64_compute_frame_size): Mark syscall_linkage functions as
2955 using eight input registers.
2957 2001-02-21 Loren J. Rittle <ljrittle@acm.org>
2958 Bruce Korb <bkorb@gnu.org>
2960 * fixinc/inclhack.def (freebsd_gcc3_breakage): new fix
2961 * fixinc/README: Document how to convert sed substitutions
2962 to format style c_fix-es.
2963 * fixinc/fixincl.x: regen
2965 2001-02-21 Jeffrey D. Oldham <oldham@codesourcery.com>
2967 * gcc.c: Add comment explaining how to add a command-line option.
2968 Add title to specs language comment.
2970 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
2972 * gcc.c (cc1_options): Add "-param".
2973 (DEFAULT_WORD_SWITCH_TAKES_ARG): Likewise.
2974 (option_map): Likewise.
2975 * toplev.c (display_help): Add entry for "--param".
2976 (independent_decode_option): Fix typographical error.
2978 Wed Feb 21 18:57:28 CET 2001 Catherine Moore <clm@redhat.com>
2979 Bernd Schmidt <bernds@redhat.com>
2980 Jan Hubicka <jh@suse.cz>
2982 * i386.c (function_arg_advance): Pass SSE arguments in registers.
2983 (function_arg): Likewise.
2985 Wed Feb 21 18:12:41 CET 2001 Jan Hubicka <jh@suse.cz>
2987 * i386.md (mmx_lshrdi3, mmx_ashldi3): Guard by unspec.
2989 2001-02-21 Kazu Hirata <kazu@hxi.com>
2991 * config/h8300/h8300.md (iorsi3): Do not output an extra newline
2995 Wed Feb 21 17:35:24 CET 2001 Jan Hubicka <jh@suse.cz>
2997 * flow.c (init_propagate_block_info): Canon address and use single_set
2998 for killing dead memory stores.
3000 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
3002 * Makefile.in (reorg.o): Add params.h dependence.
3003 * params.def: Fix typographical error in comment.
3004 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
3005 * params.h: Modify introductory comment.
3006 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
3007 * reorg.c: Add dependence on params.h.
3008 (redundant_insn): Add parameterized throttle for search.
3009 (fill_simple_delay_slots): Add a comment explaining a variable.
3010 Move conditional out of loop, simplifying code.
3011 (fill_eager_delay_slots): Fix typographical error in comment.
3013 2001-02-20 Aldy Hernandez <aldyh@redhat.com>
3015 * tm.texi (REVERSE_CONDEXEC_PREDICATES_P): New macro documentation.
3017 * flow.c (ior_reg_cond): Use REVERSE_CONDEXEC_PREDICATES_P macro.
3018 (REVERSE_CONDEXEC_PREDICATES_P): Define macro.
3020 2001-02-21 Jason Merrill <jason@redhat.com>
3022 * tree.h (DECL_UNINLINABLE): Move from C++ frontend.
3023 (struct tree_decl): Add uninlinable bitfield.
3024 * c-decl.c (duplicate_decls): Set it.
3025 * integrate.c (function_cannot_inline_p): Check it.
3027 * dwarf2out.c (add_name_and_src_coords_attributes): Don't add
3028 DW_AT_MIPS_linkage_name to abstract methods.
3029 (dwarf2out_abstract_function): Emit class context before calling
3030 set_decl_abstract_flags. Don't clear DECL_ABSTRACT.
3031 (gen_subprogram_die): Remove obsolete code.
3032 (gen_member_die): Don't include clones in the member list.
3033 (gen_decl_die): Emit abstract info for clone origin.
3034 * dwarfout.c (output_type): Don't include clones in the member list.
3035 * dbxout.c (dbxout_type_methods): Ignore abstract methods.
3036 * toplev.c (note_deferral_of_defined_inline_function): Don't clear
3037 DECL_ABSTRACT on a function that already has it set.
3039 * dwarf2out.c (gen_formal_types_die): Also accept a FUNCTION_DECL.
3040 (get_subprogram_die): Pass it in.
3042 2001-02-21 Richard Earnshaw <rearnsha@arm.com>
3044 * flow.c (mark_set_1): Make not_dead unsigned long. For
3045 non-pseudos, use it as a bitmask of the hard regs that
3048 2001-02-21 Neil Booth <neil@daikokuya.demon.co.uk>
3050 * cppfiles.c: Update comments.
3051 (_cpp_read_file): Don't check for NULL filenames any more.
3052 * cppinit.c (cpp_start_read): Don't do canonicalization of
3053 in_fname and out_fname. Use the passed file name exclusively.
3054 (_cpp_handle_options): Don't treat "-" as a command line option,
3055 but as a normal filename.
3056 (_cpp_post_options): Canonicalize in_fname and out_fname.
3057 * cppmain.c (printer_init): Don't check out_fname for NULL.
3058 * c-lex.c (orig_filename): Rename cpp_filename for clarity.
3059 (init_c_lex): Update, and use "" to represent stdin to CPP.
3062 2001-02-20 Will Cohen <wcohen@redhat.com>
3064 * config/pa/quadlib.c (_U_Qfcnvfxt_quad_to_usgl): New function.
3065 * config/pa/long_double.h (FIXUNS_TRUNCTFSI2_LIBCALL): Added.
3066 (INIT_TARGET_OPTABS): Use FIXUNS_TRUNCTFSI2_LIBCALL for
3069 2001-02-20 Stan Shebs <shebs@apple.com>
3071 * config/rs6000/rs6000.c (output_cbranch): Output branches
3072 on separate lines instead of using ';' to separate.
3074 2001-02-20 Neil Booth <neil@daikokuya.demon.co.uk>
3076 * cppinit.c (set_lang): Move builtin handling to...
3077 (init_builtins): ...here.
3078 (_cpp_create_reader): Move call to set_lang.
3080 2001-02-20 Mark Mitchell <mark@codesourcery.com>
3082 * stmt.c (expand_return): If an attempt is made to return the
3083 error_mar_node, treat the return like a return without a value.
3085 2001-02-19 Zack Weinberg <zackw@stanford.edu>
3087 * sibcall.c (skip_copy_to_return_value): Call
3088 identify_call_return_value here, and return orig_insn if it
3089 returns zero. Hardret and softret arguments now unnecessary.
3090 (call_ends_block_p): Don't call identify_call_return_value here.
3092 * ggc-common.c (ggc_mark_rtx_children): No need to mark 'S' or
3094 * ggc-page.c, ggc-simple.c (ggc_mark_if_gcable): Delete function.
3095 * ggc.h (ggc_mark_if_gcable): Delete prototype.
3097 Mon Feb 19 20:30:16 2001 Jeffrey A Law (law@cygnus.com)
3099 * pa.c (move_operand): Accept code to load the address of a
3100 symbol out of the DLT as a valid move operand.
3101 (print_operand, case 'A'): New to handle generating a DLT
3102 reference for a LO_SUM expression.
3103 * pa.h (EXTRA_CONSTRAINT): Handle 'A' for DLT LO_SUM references.
3104 * pa.md (movsi, movdi patterns): Allow DLT LO_SUM references.
3106 2001-02-19 Joseph S. Myers <jsm28@cam.ac.uk>
3108 * README, cpp.texi, gcc.texi, version.c: Update version number to
3110 * cpp.1, gcov.1, gcc.1: Regenerate.
3112 2001-02-19 Neil Booth <neil@daikokuya.demon.co.uk>
3114 * cppfiles.c (stack_include_file): Generate dependencies
3115 here, and manage include_count here too.
3116 (PRINT_THIS_DEP): Delete.
3117 (_cpp_execute_include): Do not generate dependencies here,
3118 apart from the case of a missing header. Do not manage
3120 (_cpp_read_file): Leave dependency generation to
3123 Mon Feb 19 10:17:47 2001 Jeffrey A Law (law@cygnus.com)
3125 * config.gcc (hppa*64*-*-hpux11*): Add MASK_GAS to
3126 target_cpu_default. Remove dead assignment to
3129 Mon Feb 19 16:47:39 CET 2001 Jan Hubicka <jh@suse.cz>
3131 * regclass.c (contains_reg_of_mode): Make global.
3132 (init_reg_sets): Remove contains_reg_of_mode; take into account
3133 CLASS_MAX_NREGS when looking for the proper mode.
3134 (dump_regclass): Dump only classes considered for the pseudo.
3135 (regclass): Use contains_reg_of_mode.
3137 Mon Feb 19 16:45:42 CET 2001 Jan Hubicka <jh@suse.cz>
3139 * gcc.c (do_spec_1): 'n' for printing notices.
3140 * i386.h (CC1_CPU_SPEC): Notice deprecated options as deprecated.
3142 Mon Feb 19 15:51:30 CET 2001 Jan Hubicka <jh@suse.cz>
3144 * reg-stack.c (next_flags_user): Use current_block->end
3145 (swap_rtx_condition): Look for next user if flags don't die;
3146 give up on CALL_INSNs; use current_block->end.
3148 Mon Feb 19 08:27:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3150 * sibcall.c (call_ends_block_p): New function.
3151 (optimize_sibling_and_tail_recursive_call): Use it.
3153 2001-02-18 Kazu Hirata <kazu@hxi.com>
3155 * config/h8300/h8300.md: Update copyright.
3156 (andsi3): Do not output an extra newline character.
3158 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3160 * toplev.c (note_deferral_of_defined_inlined_function): Argument
3161 FNDECL may be unused.
3163 * toplev.c (rest_of_compilation): Don't have CSE skip blocks or
3164 follow jumps after first run.
3165 If -fexpensive-optimizations rerun CSE after GCSE and iterate until
3166 it doesn't change any jumps.
3168 Sun Feb 18 17:05:50 2001 Jeffrey A Law (law@cygnus.com)
3170 * Makefile.in (rtlanal.o): Depend on hard-reg-set.h.
3171 ($HOST_PREFIX_1)rtlanal.o: Remove rules for building
3172 (mostlyclean): Corresponding changes.
3173 * rtlanal.c (hard-reg-set.h): Include.
3174 (rtx_unstable_p): Do not treat the argument pointer specially
3175 if it is not a fixed register.
3176 (rtx_varies_p, rtx_addr_can_trap_p): Similarly.
3178 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3180 * sibcall.c (optimize_sibling_and_tail_recursive_call): Compare
3181 against last real insn in basic block.
3182 Rework to avoid gotos.
3184 * Makefile.in (gcse.o): Now includes ggc.h.
3185 * gcse.c: Include ggc.h.
3186 (want_to_gcse_p): Verify expression can be in SET as valid insn.
3187 (try_replace_reg): Remove warning of uninitialize variable.
3188 (process_insert_insn): Call invalid_insn_p to validate insn.
3189 * recog.c (insn_invalid_p): Now global.
3190 See if can make valid by adding CLOBBERs of SCRATCH only and do if so.
3191 * recog.h (insn_invalid_p): New declaration.
3193 * jump.c (jump_optimize_1): Only define reversed_code #ifdef HAVE_trap.
3195 * config/sparc/sparc.c (eligible_for_epilogue_delay): Don't put
3196 assignments from FP constants since 'Y' output code can't handle it.
3197 (eligible_for_sibcall_delay): Likewise.
3199 * flow.c (print_rtl_and_abort_fcn): Renamed from print_rtl_and_abort.
3200 Call fancy_abort directly, passing args.
3201 (print_rtl_and_abort): Now a macro, like fancy_abort.
3203 * final.c (output_operand_lossage): Use internal_error, not error.
3205 2001-02-18 Shane Nay <shane@agendacomputing.com>
3207 * mips.c (mips_expand_prologue) Add REG_MAYBE_DEAD to
3208 structure shift insns.
3210 2001-02-18 Mark Mitchell <mark@codesourcery.com>
3212 * invoke.texi (-fsquangle): Remove documentation.
3213 (-fname-mangling-version): Likewise.
3215 2001-02-18 Lars Brinkhoff <lars@nocrew.org>
3217 * optabs.c (expand_abs): Remove reference to
3218 HAVE_contitional_arithmetic.
3219 * combine.c (simplify_set): Likewise.
3221 2001-02-18 Richard Henderson <rth@redhat.com>
3223 * ifcvt.c (dead_or_predicable): Don't move code if eh regions
3226 2001-02-18 Richard Henderson <rth@redhat.com>
3228 * config/ns32k/ns32k.h (ADJSP): Upcase arguments.
3230 * config/alpha/alpha.md (movsi_fix): Fix typo in pattern name.
3232 * reload1.c (reload_cse_simplify_set): Fix typo.
3234 Sun Feb 18 09:30:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3236 * diagnostic.c (_fatal_insn): Decrement errorcount.
3238 * invoke.texi (-I): Add note avoiding use for system header files.
3240 * rtl.h (add_clobbers): Remove duplicate declaration.
3241 * recog.h (added_clobbers_hard_reg_p): New declaration.
3242 * genemit.c (struct clobber_pat): New field has_hard_reg.
3243 (gen_insn): Record if added clobbers clobber hard reg.
3244 (gen_split): Avoid unused warning if number of operands is 0.
3245 (output_added_clobbers_hard_reg_p): New function.
3248 2001-02-18 Alan Modra <alan@linuxcare.com.au>
3250 * pa.c (hppa_expand_prologue): Simplify code storing return
3251 pointer. For large (>=8k) frames with a post_store, adjust stack
3252 pointer by 8k-64 first rather than by 64. When testing with
3253 VAL_14_BITS_P, always use the actual value rather than the value
3254 negated. Add blockage to prevent scheduling of spills before
3255 stack frame has been created.
3256 (hppa_expand_epilogue): Simplify code loading return pointer.
3257 Allow a slightly larger range for merge_sp_adjust_with_load case.
3258 When testing with VAL_14_BITS_P, always use the actual value.
3260 * pa.c (pa_adjust_insn_length): Check that block move
3261 pattern is a set before looking at operands.
3263 2001-02-17 Mark Mitchell <mark@codesourcery.com>
3265 * fold-const.c (fold_binary_op_with_conditional_arg): New
3266 function, split out from ...
3268 * tree.def (COND_EXPR): Document the use of VOID_TYPE for
3269 conditional arms that throw exceptions.
3271 * print-tree.c (print_node): Do not use BLOCK_CHAIN when we're not
3274 2001-02-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3276 * aclocal.m4 (gcc_AC_CHECK_DECL): Before attempting the test,
3277 define HAVE_DECL_* to 1 to mask potential backup declarations.
3278 * configure: Regenerated.
3280 2001-02-17 Mark Mitchell <mark@codesourcery.com>
3282 * invoke.texi (-Woverloaded-virtual): Clarify documentation.
3284 2001-02-17 Richard Henderson <rth@redhat.com>
3286 * reload1.c (reload_cse_simplify_set): Respect LOAD_EXTEND_OP
3287 when replacing a memory load with a register.
3289 Sat Feb 17 14:48:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3290 Jan Hubicka <jh@suse.cz>
3292 * recog.c (validate_replace_src_1): New.
3293 (validate_replace_src_data): Likewise.
3294 (validate_replace_src): Use note_uses.
3295 * rtl.h (note_uses): Declare.
3296 * rtlanal.c (note_uses): New.
3298 Sat Feb 17 10:52:34 CET 2001 Jan Hubicka <jh@suse.cz>
3300 * reg-stack.c (stack_def): Make field reg unsigned.
3301 (remove_regno_note): Unsignetize parameter.
3303 2001-02-16 Jes Sorensen <jes@linuxcare.com>
3305 * ia64.c (errata_emit_nops): Add VOIDmode as second argument to
3306 shladd_operand() call.
3308 2001-02-16 Bruce Korb <bkorb@gnu.org>
3309 Rodney Brown <RodneyBrown@mynd.com>
3311 * fixinc/mkfixinc.sh: Use C fixincludes for UnixWare 7.
3312 * fixinc/inclhack.def: Add fixinc.svr4 patterns with matching
3313 machine restrictions
3314 * fixinc/fixincl.x: regen
3316 Fri Feb 16 12:41:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3318 * gcse.c (hash_scan_set): If cprop, see if REG_EQUAL or REG_EQUIV.
3320 (hash_scan_insn): Clean up calls to hash_scan_set.
3321 (compute_kill_rd): REGNO now unsigned.
3322 (try_replace_reg): Rework to use simplify_replace_rtx.
3323 (cprop_jump, cprop_cc0_jump): Likewise.
3324 (cprop_insn): Call find_reg_equal_equiv_note.
3325 Reflect changes to cprop_jump and cprop_cc0_jump.
3327 * recog.c (validate_replace_src): Replace in operands of
3328 ZERO_EXTRACT in SET_DEST.
3330 * cse.c (new_label_ref): New variable.
3331 (insert): Set it instead of recorded_label_ref.
3332 (cse_basic_block): Set recorded_label_ref if new_label_ref use, has
3333 CODE_LABEL for this function, and not already in REG_LABEL note.
3335 2001-02-16 Jeffrey Oldham <oldham@codesourcery.com>
3337 * resource.c (mark_referenced_resources): Fix typo in introductory
3339 * config/mips/abi64.h (SUBTARGET_TARGET_OPTIONS): Fix typo in
3342 2001-02-16 Jason Merrill <jason@redhat.com>
3344 * dwarf2out.c (add_bound_info): Don't crash if SAVE_EXPR_RTL is
3346 (gen_subprogram_die): Don't abort on seeing a second definition if
3347 the previous one was abstract. Don't replace an abstract instance
3348 in the lookup table.
3350 * dwarf2out.c (dwarf2out_abstract_function): Rename from
3351 gen_abstract_function.
3352 * dwarf2out.h: Declare it.
3353 * toplev.c (note_outlining_of_inline_function): New fn.
3354 * toplev.h: Declare it.
3355 * integrate.c (output_inline_function): Call it.
3356 * c-decl.c (duplicate_decls): Call it when redefining an extern
3357 inline. Don't inline the new defn.
3359 * tree.h (BLOCK_CHAIN): Use BLOCK_CHECK.
3361 2001-02-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3363 * .gdbinit: Rename to gdbinit.in.
3364 * gdbinit.in: New file,
3365 * configure.in: Generate .gdbinit from gdbinit.in.
3366 * configure: Regenerated.
3367 * Makefile.in (distclean): Always remove .gdbinit.
3369 2001-02-16 Jakub Jelinek <jakub@redhat.com>
3371 * objc/objc-act.c (start_class): Register implemented_classes with
3374 2001-02-16 Neil Booth <neil@daikokuya.demon.co.uk>
3376 * cppfiles.c (_cpp_make_system_header): Generate a file
3379 2001-02-15 Jim Meyering <meyering@lucent.com>
3381 * Makefile.in (install-common): Don't depend on installdirs here.
3382 Instead, make each of the lang.install-common targets (e.g.,
3383 c++.install-common in cp/Make-lang.in) depend on it.
3384 (install-driver): Depend on installdirs.
3386 Thu Feb 15 21:30:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3388 * flow.c (tidy_fallthru_edge): Never end block on line number NOTE.
3390 * function.c (assign_parms): Set RTX_UNCHANGING_P in pseudo when we
3393 2001-02-15 Mark Mitchell <mark@codesourcery.com>
3395 * invoke.texi (--param): Document.
3397 Thu Feb 15 15:16:38 2001 Alexandre Oliva <aoliva@redhat.com>
3399 * config/sh/sh.h (BOOL_TYPE_SIZE): Don't define.
3401 Thu Feb 15 10:52:31 CET 2001 Jan Hubicka <jh@suse.cz>
3403 * i386.md (extendsfdf2_2): Fix constraints.
3405 Thu Feb 15 09:46:21 CET 2001 Jan Hubicka <jh@suse.cz>
3407 * i386.md (fop_df_3 splitter): Fix operand number.
3409 Wed Feb 14 12:37:37 CET 2001 Jan Hubicka <jh@suse.cz>
3411 * invoke.texi (-mreg-alloc): Nuke.
3412 * i386.c (ix86_reg_alloc_order, regs_allocated,
3413 order_regs_for_local_alloc): Nuke.
3414 (override_options): Kill reg_alloc code.
3415 * i386.h (TARGET_OPTIONS): Kill reg-alloc.
3416 (REG_ALLOC_ORDER): SSE goes before I387.
3417 (ORDER_REGS_FOR_LOCAL_ALLOC): Kill.
3418 (ix86_reg_alloc_order): Likewise.
3419 * i386-protos.h (ix86_reg_alloc_order): Kill.
3421 2001-02-14 Richard Henderson <rth@redhat.com>
3423 * toplev.c (f_options): Clarify -fschedule-insns2 documentation.
3425 Wed Feb 14 11:59:58 CET 2001 Jan Hubicka <jh@suse.cz>
3427 * i386.h (RETURN_IN_MEMORY): Fix formating; reject TFmodes
3429 Wed Feb 14 11:12:38 CET 2001 Jan Hubicka <jh@suse.cz>
3431 * i386-protos.h (ix86_memory_move_cost): Move offline.
3432 * i386.c (ix86_register_move_cost): Compute properly cost of
3433 SSE, MMX and i387 instructions.
3434 (*_cost): Add costs of SSE/MMX moves.
3435 (ix86_memory_move_cost): Move offline from ....; Likewise.
3436 * i386.h (MEMORY_MOVE_COST): .... here;
3437 (struct processor costs): Add new fields to represent costs
3440 Wed Feb 14 10:08:26 CET 2001 Jan Hubicka <jh@suse.cz>
3442 * regclass.c (init_reg_sets_1): Reinstall the optimization of
3443 move_cost together with Matt Kraai's fix.
3445 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
3447 * Makefile.in (OBJS): Add params.o.
3449 2001-02-14 Richard Henderson <rth@redhat.com>
3450 DJ Delorie <dj@redhat.com>
3452 * jump.c (jump_optimize_1): When we delete a conditional jump
3453 preceeding a non-conditional jump to effectively the same place,
3454 make sure that the combined jump skips any clobber insns between
3457 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
3459 * gcc.c (do_spec_1): Fix off-by-one error for '%M' case.
3461 2001-02-14 Mark Mitchell <mark@codesourcery.com>
3463 * Makefile.in (toplev.o): Depend on params.h.
3464 (intergate.o): Likewise.
3465 (params.o): New target.
3466 * flags.h (inline_max_insns): Remove.
3467 * integrate.c: Include params.h.
3468 Use MAX_INLINE_INSNS instead of inline_max_insns.
3469 * params.c: New file.
3470 * params.h: Likewise.
3471 * params.def: Likewise.
3472 * toplev.c: Include params.h.
3473 (lang_independent_params): New variable.
3474 (decode_f_option): Use the param machinery instead of setting
3476 (independent_decode_option): Handle "--param name=value".
3477 (main): Register language-independent parameters.
3479 Wed Feb 14 11:13:45 CET 2001 Jan Hubicka <jh@suse.cz>
3481 * i386.md (pushsf, pushdf_nointeger): Fix constraint.
3483 2001-02-14 Richard Henderson <rth@redhat.com>
3485 * regclass.c (init_reg_sets_1): Revert last two changes.
3487 2001-02-14 Jakub Jelinek <jakub@redhat.com>
3489 * stor-layout.c (is_pending_size, put_pending_size): New functions.
3490 (variable_size): Call put_pending_size.
3491 * tree.h (is_pending_size, put_pending_size): Add prototypes.
3492 * fold-const.c (extract_muldiv): If SAVE_EXPR is on the pending
3493 sizes list, put newly created SAVE_EXPR there as well.
3495 2001-02-14 Jakub Jelinek <jakub@redhat.com>
3497 * config/ia64/ia64.c (last_group): Only 2 entries are needed.
3498 (errata_find_address_regs): load_group has only 2 entries.
3499 (errata_emit_nops): Likewise. shladd is not problematic.
3500 Clear last_group if nop was emitted.
3501 (fixup_errata): load_group has only 2 entries.
3504 2001-02-14 Neil Booth <neil@daikokuya.demon.co.uk>
3506 * c-lex.c (lex_number): Only warn traditionally for U suffix
3507 outside system macros.
3508 * cppexp.c (parse_number): Similarly.
3509 * cpplib.h (NODE_SYSHDR, cpp_sys_objmacro_p): New.
3510 * cppmacro.c (struct cpp_macro): New member node.
3511 (parse_args): Only warn about missing rest args if not
3513 (funlike_invocation_p): Similarly for uninvoked funlike macros.
3514 (cpp_sys_objmacro_p): New.
3515 (_cpp_create_definition): Store the node with the macro defn.
3516 Remember if the macro is defined in a system header.
3518 2001-02-13 DJ Delorie <dj@redhat.com>
3520 * configure.in (check_languages): determine languages to check
3521 * Makefile.in (check-c++): alias for check-g++
3522 (check-f77): alias for check-g77
3523 (CHECK_TARGETS): depend on configured languages
3525 Wed Feb 14 01:13:59 CET 2001 Jan Hubicka <jh@suse.cz>
3527 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
3528 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
3529 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
3530 (sqrtextendsfdf2): Disable for SSE2.
3532 Wed Feb 14 00:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
3534 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
3535 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
3536 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
3537 (sqrtextendsfdf2): Disable for SSE2.
3539 Wed Feb 14 00:11:20 CET 2001 Jan Hubicka <jh@suse.cz>
3541 * i386.md (movsfcc_1): Support integer cmove instruction.
3542 (movdfcc_1): Likewise; new splitter.
3544 Tue Feb 13 23:19:27 CET 2001 Jan Hubicka <jh@suse.cz>
3546 * i386.c (output_fp_compare): Support SSE.
3547 (prepare_fp_compare_args): SSE comparisons always support memory.
3548 * i386.h (TARGET_CMOVE): SSE imply cmove.
3549 * i386.md (cmp?f2): Enable for SSE too.
3550 (cmpfp_i*): Support SSE.
3552 (cmpfp_i_sse_only): New.
3553 (s*, b* fp expanters): Enable for SSE too.
3554 (fp_jcc_1_sse, fp_jcc_1_sse_only, fp_jcc_2_sse, fp_jcc_2_sse_only):
3557 Tue Feb 13 23:05:42 CET 2001 Jan Hubicka <jh@suse.cz>
3559 * regclass.c (init_reg_sets_1): Silence warning.
3561 Tue Feb 13 22:03:07 CET 2001 Jan Hubicka <jh@suse.cz>
3563 * i386.md (sqrt?f2): Change to expander.
3564 (sqrt?f2_1, sqrt?f2_sse_only, sqrt?f2_i387): New.
3566 Tue Feb 13 15:42:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3568 * rtlanal.c (find_reg_equal_equiv_note): New function.
3569 * simplify-rtx.c (simplify_gen_unary, simplify_gen_ternary): New fns.
3570 (simplify_gen_relational, simplify_replace_rtx): Likewise.
3571 * rtl.h: Add declarations for above functions.
3573 Tue Feb 13 21:09:11 CET 2001 Jan Hubicka <jh@suse.cz>
3575 * cse.c (cse_main): Converts ifdefs on PIC_OFFSET_TABLE_REGNUM to
3577 * defaults.h (PIC_OFFSET_TABLE_REGNUM): Default to INVALID_REGNUM.
3578 * emit-rtl.c (init_emit_once): Convert ifdefs to conditionals.
3579 * flow.c (mark_regs_live_at_end): Likewise.
3580 (calculate_global_regs_live): Likewise.
3581 * gcse.c (compute_hash_table): Likewise.
3582 (compute_kill_rd): Likewise.
3583 * resource.c (mark_target_live_regs): Likewise.
3584 * rtl.h (INVALID_REGNUM): New macro.
3586 Tue Feb 13 20:59:22 CET 2001 Jan Hubicka <jh@suse.cz>
3588 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch.
3590 Tue Feb 13 16:32:20 CET 2001 Jan Hubicka <jh@suse.cz>
3592 * i386.md (fixsfsi2, fixdfdi2): Force operand to register
3595 Tue Feb 13 14:53:16 CET 2001 Jan Hubicka <jh@suse.cz>
3597 * i386.md (add?f3, sub?f3, mul?f3, dif?f3): Enable for TARGET_SSE(2)
3599 (fop_sf_comm, fop_df_comm, fop_sf_1, fop_df_1): Support SSE.
3600 (fop_sf_comm_sse, fop_df_comm_sse): New patterns.
3601 (fop_sf_1_sse, fop_df_1_sse): New patterns
3602 (fop_*): Disable float_extend and float patterns for SSE compilation.
3603 * i386.c (output_387_binary_op): Support SSE.
3605 Tue Feb 13 14:16:34 CET 2001 Jan Hubicka <jh@suse.cz>
3607 * i386.md (dummy_extendsfdf2): Support SSE2
3608 (extendsfdf2): Enable if 80387 or SSE2.
3609 (extendsfdf2_1): Support SSE2. Disable if SSE2 is avialble
3610 and no MIX_I387_SSE2
3611 (extendsfdf2_1_sse_only): New pattern.
3612 (truncdfsf2): Enable if SSE2 or 80387; Always use SSE only version
3614 (truncdfsf2_1): Support SSE.
3615 (truncdfsf2_2): Support SSE.
3616 (truncdfsf2_2_1_sse): New pattern.
3617 (fixtruncsfsi2): Always use SSE if available.
3618 (fix_truncsfsi_sse): New pattern.
3619 (fix_truncdfsi_sse): New pattern.
3620 (floatsis?f2): Support SSE.
3621 (floatsidf2_i387): New pattern.
3622 (floatsidf2_sse): Likewise.
3624 Tue Feb 13 07:52:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3626 * configure.in: Use "have_gnat" variable, not "gnat".
3627 * configure: Regenerated.
3629 * config/sparc/sparc.c (function_value): Treat all non-record
3630 aggregate types like used to treat UNION_TYPE.
3632 Tue Feb 13 13:31:33 CET 2001 Jan Hubicka <jh@suse.cz>
3634 * i386.c (print_reg): Use ANY_FP_REG instead of FP_REG
3635 * i386.h (MASK_128BIT_LONG_DOUBLE): Renumber
3637 (MASK_MIX_SSE_I387): New.
3638 (TARGET_SSE): SSE2 imply SSE.
3639 (TARGET_SSE2, TARGET_MIX_SSE_I387): New.
3640 (TARGET_SWITCHES): Add "sse2", "mix-sse-i387".
3641 (enum reg_class): Add new classes.
3642 (REG_CLASS_NAMES): Likewise.
3643 (REG_CLASS_CONTENTS): Likewise.
3644 (ANY_FP_REG_P, ANY_FP_REGNO_P, SSE_REG_P, SSE_FLOAT_MODE): New macros.
3645 (REG_CLASS_FROM_LETTER): 'x' and 'y' is SSE_REGS only when SSE is
3646 supported. Add 'Y' to be SSE_REGS when SSE2 is supported.
3647 (CLASS_MAX_NREGS): Use new macros.
3648 (REGISTER_MOVE_COST): Rewrite using SECONDARY_MEMORY_MAYBE_NEEDED.
3649 * i386.md (pushsf, movsf): Support SSE.
3650 (pushdf_nointeger, pushdf_integer, pushdf): Support SSE, update
3651 splitters to use ANY_FP_REGNO_P.
3652 (movdf_nointeger, movdf_integer): Likewise.
3654 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
3656 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): New macro.
3657 (try_combine): Use it.
3659 Tue Feb 13 11:37:06 CET 2001 Jan Hubicka <jh@suse.cz>
3661 * i386.h (SSE_CLASS_P, MMX_CLASS_P, MAYBE_FLOAT_CLASS_P,
3662 MAYBE_SSE_CLASS_P, MAYBE_MMX_CLASS_P): New macros.
3663 (PREFERRED_RELOAD_CLASS, SECONDARY_MEMORY_NEEDED): Move offline.
3664 (REGISTER_MOVE_COST): Likewise.
3665 * i386-protos.h (ix86_secondary_memory_needed,
3666 ix86_preferred_reload_class, ix86_register_move_cost): Declare.
3667 * i386.c (ix86_secondary_memory_needed,
3668 ix86_preferred_reload_class, ix86_register_move_cost): New function.
3670 Die Feb 13 11:04:25 CET 2001 Jan Hubicka <jh@suse.cz>
3672 * i386.h (VALID_FP_MODE_P, VALID_INT_MODE_P): New.
3673 (HARD_REGNO_MODE_OK): Move offline to ....
3674 * i386.c (ix86_hard_regno_mode_ok) ... here;
3675 refuse all incorrect modes.
3676 * i386-protos.h (ix86_hard_regno_mode_ok): Declare.
3678 2001-02-13 Richard Henderson <rth@redhat.com>
3680 * sparc.md (cmp_cc_arith_op_set): Don't use match_dup on the
3681 entire operator; replicate that and match_dup the operands.
3682 (cmp_ccx_arith_op_set): Likewise.
3683 (cmp_cc_arith_op_not_set): Likewise.
3684 (cmp_ccx_arith_op_not_set): Likewise.
3686 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
3688 * explow.c (trunc_int_for_mode): Sign-extend value to mode.
3690 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
3692 * config/rs6000/sysv4.h (MASK_NO_BITFIELD_WORD): New macro.
3693 (TARGET_NO_BITFIELD_WORD): New macro.
3694 (SUBTARGET_SWITCHES): Add -mbit-word, -mno-bit-word options.
3695 (BITFIELD_NBYTES_LIMITED): Define based on TARGET_NO_BITFIELD_WORD.
3697 Mon Feb 12 18:13:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3699 * cselib.c: New file, from simplify-rtx.c.
3700 * simplify-rtx.c: Remove cselib parts.
3701 * Makefile.in: Add cselib.o.
3703 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
3705 * config/rs6000/rs6000.c (rs6000_float_const): Remove warning.
3706 (setup_incoming_varargs): Remove warning.
3708 * config/rs6000/rs6000.c (validate_condition_mode): When
3709 flag_fast_math, allow floating-point conditionals to be reversed.
3710 (rs6000_generate_compare): When flag_fast_math, don't generate
3711 cror operations for FP conditionals.
3713 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Handle
3715 (ASM_SPEC): Likewise.
3716 (CC1_ENDIAN_LITTLE_SPEC): Likewise.
3717 (CC1_SPEC): Likewise.
3718 (LINK_TARGET_SPEC): Likewise.
3719 (CPP_ENDIAN_SPEC): Likewise.
3720 * Makefile.in (check-consistency): New target.
3722 2001-02-12 Joseph S. Myers <jsm28@cam.ac.uk>
3724 * c-decl.c (grokdeclarator): In C99 mode, give the more specific
3725 "return type defaults" warning for functions with return type
3727 * c-lang.c (c_init): In C99 mode, enable warnings for implicit
3728 function declarations by default rather than only when pedantic.
3730 Mon Feb 12 17:28:48 CET 2001 Jan Hubicka <jh@suse.cz>
3732 * regclass.c (init_reg_sets_1): Optimize calculation of move_cost
3735 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
3737 * extend.texi (Deprecated): Deprecate new initializer lists.
3739 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
3741 * mkdeps.c (deps_add_default_target): Robustify. Add
3742 basename component only.
3743 * cpp.texi (-M): Describe how default target is generated.
3744 * invoke.texi (-M): Likewise.
3746 2001-02-12 Kazu Hirata <kazu@hxi.com>
3748 * toplev.c (push_float_handler): Remove.
3749 (pop_float_handler): Remove.
3750 * toplev.h: Remove prototypes for the above functions.
3752 2001-02-12 Jakub Jelinek <jakub@redhat.com>
3754 * c-common.c (constant_fits_type_p): New function.
3755 (convert_and_check): Use it.
3757 2001-02-11 Mark Mitchell <mark@codesourcery.com>
3759 * Makefile.in (GXX_ABI_FLAG): Don't define.
3760 * configure.in (--enable-new-gxx-abi): Remove option.
3761 * config.in: Regenerated.
3762 * configure: Likewise.
3764 2001-02-12 Alexandre Oliva <aoliva@redhat.com>
3766 * lcm.c (compute_earliest): Let EXIT_BLOCK be handled as a regular
3768 (optimize_mode_switching) [NORMAL_MODE]: Set up EXIT_BLOCK as a
3769 regular basic block, and arrange for all edges into it to switch
3772 2001-02-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3774 * Makefile.in (distclean): Do not remove .gdbinit.
3776 2001-02-11 Mark Mitchell <mark@codesourcery.com>
3778 * Makefile.in (gcc.o): Fix typos.
3779 (protize.o): Likewise.
3780 (unprotoize.o): Likewise.
3782 2001-02-11 Richard Henderson <rth@redhat.com>
3784 * tree.c (build1): Check for null operand in last change.
3786 2001-02-11 Richard Henderson <rth@redhat.com>
3788 * fold-const.c (split_tree): Don't assume a constant isn't splittable.
3789 (fold): Don't assume a constant isn't foldable.
3790 * tree.c (build): Set TREE_CONSTANT for an expression with no
3791 side-effects and constant operands.
3794 2001-02-10 Richard Henderson <rth@redhat.com>
3796 * jump.c (squeeze_notes): Revert 2000-05-12 change.
3798 2001-02-10 Anthony Green <green@redhat.com>
3800 * cpp.texi (Standard Predefined): Add documentation for
3803 * c-common.c (combine_strings): Improve warning message.
3805 2001-02-10 Geoffrey Keating <geoffk@redhat.com>
3807 * config/rs6000/sysv4.h (LINK_TARGET_SPEC): Use two dashes for
3809 * config/rs6000/sysv4le.h (LINK_TARGET_SPEC): Likewise.
3811 Fri Feb 9 15:05:27 2001 Christopher Faylor <cgf@cygnus.com>
3813 * config/i386/t-cygwin (T_CPPFLAGS): Use correct location for
3816 2001-02-09 Alexandre Oliva <aoliva@redhat.com>
3818 * config/sh/sh.md (sibcalli, sibcalli_pcrel, sibcalli): Set
3821 2001-02-09 Nick Clifton <nickc@redhat.com>
3823 * config/arm/arm.md: Change output contraint on post inc
3824 load/store multiple patterns to be a read/write contraint.
3826 2001-02-09 Neil Booth <neil@daikokuya.demon.co.uk>
3828 * gcc.c (cpp_options): Delete .d files on error. Don't delete
3829 .o files when using the -M options.
3831 2001-02-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3832 David Edelsohn <edelsohn@gnu.org>
3834 * config/rs6000/rs6000.c (output_toc): Allow 32-bit targets to
3835 handle DImode constants. Use one TOC entry for SImode and smaller
3836 constants, aligned properly.
3838 2001-02-08 Jason Merrill <jason@redhat.com>
3840 * config/arm/arm.c (arm_expand_prologue): Do tell the dwarf2 backend
3841 about the SP adjustment for saving the static chain pointer.
3842 * dwarf2out.c (dwarf2out_frame_debug_expr): Use the specified
3843 offset when setting a temporary CFA register.
3845 2001-02-08 Chandrakala Chavva <cchavva@redhat.com>
3847 * config.gcc : New targets, i386-*-chorusos*, sparc-*-chorusos*,
3848 powerpc-*-chorusos* .
3849 * config/rs6000/chorus.h : New file.
3850 * config/i386/chorus.h : New file.
3851 * config/sparc/chorus.h : New file.
3852 * config/sparc/t-chorus-elf : New file.
3854 2001-02-08 David Edelsohn <edelsohn@gnu.org>
3856 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Move from here ...
3857 * config/rs6000/aix.h (ASM_OUTPUT_SYMBOL_REF): ... to here.
3858 * config/rs6000/aix51.h (CPLUSCPLUS_CPP_SPEC): Define it.
3859 (__WCHAR_TYPE__): Correct macro name.
3861 2001-02-08 Richard Henderson <rth@redhat.com>
3863 * config/i386/i386.c (ix86_frame_pointer_required): New.
3864 (ix86_setup_frame_addresses): New.
3865 (struct machine_funciton): Add accesses_prev_frame.
3866 * config/i386/i386.h (FRAME_POINTER_REQUIRED): Call
3867 ix86_frame_pointer_required.
3868 (SUBTARGET_FRAME_POINTER_REQUIRED): New.
3869 (SETUP_FRAME_ADDRESSES): New.
3870 * config/i386/i386-protos.h: Update.
3871 * config/i386/sco5.h (SUBTARGET_FRAME_POINTER_REQUIRED): Rename
3872 from FRAME_POINTER_REQUIRED.
3873 * config/i386/svr3gas.h: Likewise.
3874 * config/i386/sysv3.h: Likewise.
3875 * config/i386/v3gas.h: Likewise.
3877 2001-02-08 Richard Henderson <rth@redhat.com>
3879 * config/sparc/sparc.c (function_arg_record_value_3): Fix
3880 calculation of the number of integer registers required.
3881 (function_arg_record_value): Likewise.
3883 2001-02-08 Jason Merrill <jason@redhat.com>
3885 * diagnostic.c (internal_error): Say "confused" after 1 error, not
3886 two. Print file and line with "confused" message.
3888 * dwarf2out.c (dwarf2out_line): Include filename in -dA output.
3890 Thu Feb 8 11:21:28 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3892 * rtlanal.c (remove_node_from_expr_list): Correctly update PREV.
3894 2001-02-08 Bernd Schmidt <bernds@redhat.com>
3896 * final.c (cleanup_subreg_operands): The address of a MEM can
3899 * config/ia64/ia64.c (ia64_variable_issue): Call group_barrier_needed_p
3902 2001-02-08 Joseph S. Myers <jsm28@cam.ac.uk>
3904 * gcc.texi (Incompatibilities): Update documentation of
3905 preprocessing numbers.
3907 2001-02-07 Jakub Jelinek <jakub@redhat.com>
3909 * c-decl.c (finish_enum): Revert part of 2000-01-05 change.
3911 2001-02-07 Mark Mitchell <mark@codesourcery.com>
3913 * config/rs6000/aix43.h (CPLUSCPLUS_CPP_SPEC): Define it.
3915 * defaults.h (CPLUSPLUS_CPP_SPEC): New macro.
3916 * gcc.c (struct compiler): Add cpp_spec field.
3917 (input_file_compiler): New variable.
3918 (do_spec_1): Allow a particular compiler to handle `%C'
3920 (main): Store the current compiler in input_file_compiler.
3921 * tm.texi (CPLUSPLUS_CPP_SPEC): Document.
3923 2001-02-07 Zack Weinberg <zack@wolery.stanford.edu>
3925 * cpphash.h (struct spec_nodes): Add n_true and n_false.
3926 * cppinit.c (cpp_create_reader): Initialize them.
3927 (append_include_chain): cxx_aware arg might be unused.
3928 * cppexp.c (lex): In C++ mode, recognize 'true' and 'false'
3929 keywords and give them their phase 7 meaning. Pedwarn about
3930 this unless '__bool_true_false_are_defined' is defined.
3932 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
3934 * lcm.c (optimize_mode_switching): Emit mode_set before the
3935 JUMP_INSN of an abnormal edge.
3937 2001-02-07 Bernd Schmidt <bernds@redhat.com>
3939 * builtins.c (expand_builtin_setjmp_receiver): Emit an ASM_INPUT as
3940 a scheduling barrier at the end.
3942 * tm.texi (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): Document.
3944 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
3946 * config/sh/sh.md (reload_outsf): Removed.
3947 (movsf_ie): Introduce constraints for FPUL loads and stores.
3948 (reload_insf): Broaden the output constraint.
3950 * config/elfos.h (INT_ASM_OP): Don't define it if it's already
3952 * config/sh/sh.h (INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
3953 ASM_OUTPUT_DESTRUCTOR): Copy definitions from config/elfos.h.
3955 2001-02-06 Chandrakala Chavva <cchavva@redhat.com>
3957 * final.c: Revert my previous changes.
3958 * output.h: Make profile_label_no extern.
3959 * config/rs6000/rs6000.c (output_profile_hook): Use standard functions
3960 for generating label.
3962 2001-02-06 Laurynas Biveinis <lauras@softhome.net>
3964 * config/i386/djgpp.h: Add comments about standard paths.
3965 (MD_EXEC_PREFIX): Undefine before defining.
3966 (MD_STARTFILE_PREFIX): New.
3968 2001-01-30 Bruce Korb <bkorb@gnu.org>
3970 fixinc/fixincl.c(process): Emit error message only if appropriate :)
3971 (load_file): do not rely on load_file_data() to close file pointer
3972 fixinc/fixlib.c(load_file_data): do not close passed in file pointer
3973 fixinc/inclhack.def(irix_limits_const): add test_text
3975 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
3977 * cppexp.c (parse_defined): Improve diagnostics for invalid
3980 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
3982 * cppmacro.c (cpp_get_token): Avoid pasting after a builtin.
3984 2001-02-06 Mark Mitchell <mark@codesourcery.com>
3986 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Define.
3987 * config/rs6000/rs6000-protos.h (rs6000_output_symbol_ref): Declare.
3988 * config/rs6000/rs6000.c (VTABLE_NAME_P): New macro.
3989 (rs6000_output_symbol_ref): New function.
3990 (output_toc): Use VTABLE_NAME_P.
3992 Tue Feb 6 07:54:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3994 * print-tree.c (print_node, case PARM_DECL):
3995 Print DECL_ARG_TYPE and DECL_ARG_TYPE_AS_WRITTEN.
3997 * stor-layout.c (reference_types_internal): New variable.
3998 (internal_reference_types): New function.
3999 (layout_type, case REFERENCE_TYPE): Make Pmode if internal.
4000 * tree.h (internal_reference_types): New declaration.
4002 * cse.c (find_best_addr): Fix typo in computing cost.
4004 Mon Feb 5 21:56:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4006 * combine.c (nonzero_bits, case PLUS): If pointers extend unsigned
4007 and this is the sum of a pointer and a constant, we know the result
4009 (num_sign_bit_copies, case PLUS): Likewise.
4010 * explow.c (convert_memory_address): Remove opposite SUBREG.
4011 * function.c (instantiate_new_reg): New function (from common code).
4012 (instantiate_virtual_regs_1): Call it.
4013 For PLUS, handle if (plus (subreg (virt-reg) (const_int))
4014 if pointers sign- or zero-extend.
4015 * simplify-rtx.c (simplify_unary_operation, case ZERO_EXTEND):
4016 If pointers extend unsigned, use inside of SUBREG.
4017 (simplify_unary_operation, case SIGN_EXTEND): Likewise, if sign extend.
4019 2001-02-05 Benjamin Kosnik <bkoz@redhat.com>
4021 * Makefile.in (-DGPLUSPLUS_TOOL_INCLUDE_DIR): Change to target
4022 subdir of gcc_gxx_include_dir.
4023 (gcc_gxx_target_include_dir): Remove.
4025 2001-02-05 Jeffrey Oldham <oldham@codesourcery.com>
4027 * dwarf2out.c: Revise DWARF2 Abbreviation Glossary comments.
4028 (dwarf2out_frame_debug_expr): Revise introductory comments to add
4029 a high-level description.
4031 2001-02-05 Chandrakala Chavva <cchavva@redhat.com>
4033 * final.c: Move the declaration of profile_label_no to ...
4034 * output.h: ... here.
4035 * function.c (expand_function_start): Call PROFILE_HOOK.
4036 * config/rs6000/aix.h: Define PROFILE_HOOK.
4037 * config/rs6000/rs6000-protos.h: output_profile_hook new.
4038 * config/rs6000/rs6000.c (output_profile_hook): Define.
4039 (output_prolog): Do nothing for ABI_AIX as it is taken care by
4040 output_profile_hook.
4041 tm.texi : Explain new macro PROFILE_HOOK.
4043 2001-02-06 Hans-Peter Nilsson <hp@axis.com>
4045 * extend.texi (Extended Asm): Do not say that semicolon is always
4046 a valid line-breaking character for GNU assemblers. Use
4047 newline-tab as the most commonly supported syntax. Use
4048 newline-tab rather than semicolon in multi-insn examples.
4050 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4052 * Makefile.in (gcc_gxx_target_include_dir): Use $(target_alias).
4054 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4055 David Edelsohn <edelsohn@gnu.org>
4057 * config/rs6000/rs6000.c (rs6000_return_addr): Use PIC
4058 code for AIX, even without flag_pic.
4060 2001-02-05 Jakub Jelinek <jakub@redhat.com>
4062 * c-typeck.c (common_type): push and pop binding level around
4063 calling common_type on function parameters.
4065 Mon Feb 5 14:30:37 2001 Christopher Faylor <cgf@cygnus.com>
4067 * config/i386/cygwin.h (CPP_SPEC): Add missing space after -idirafter.
4069 Mon Feb 5 11:23:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4071 * config/mips/mips.c (override_options): Fix typo in last change.
4072 (mips_make_temp_file): Call fatal_io_error, not pfatal_with_name.
4073 (mips_asm_file_end): Likewise; also pass more args to fatal_io_error.
4075 2001-02-05 Nathan Sidwell <nathan@codesourcery.com>
4077 * invoke.texi (-fdump-class-layout): Document.
4078 (-fdump-translation-unit): Use `=' as filename separator.
4080 2001-02-05 Mark Mitchell <mark@codesourcery.com>
4082 * Makefile.in (s-mlib): Don't build multilibs if
4084 (DRIVER_DEFINES): Adjust accordingly.
4086 (protoize.o): Likewise.
4087 (unprotoize.o): Likewise.
4088 * configure.in: Recognize --enable-multilib.
4090 2001-02-04 Mark Mitchell <mark@codesourcery.com>
4092 * Makefile.in (DRIVER_DEFINES): Fix quoting.
4094 * Makefile.in (site.exp): Always set HAVE_LIBSTDCXX_V3.
4095 * configure.in: Remove --enable-libstdcxx_v3 support.
4096 * configure: Regenerated.
4098 Sun Feb 4 15:52:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4100 * config/avr/avr.h (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP):
4101 Call abort instead of fatal.
4102 (TRAMPOLINE_TEMPLATE): Call internal_error instead of fatal.
4103 * config/dsp16xx/dsp16xx.h (FUNCTION_PROFILER): Likewise.
4104 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Likewise.
4105 (TRAMPOLINE_TEMPLATE, INITIALIZE_TRAMPOLINE): Likewise.
4106 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Likewise.
4107 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Likewise.
4109 * diagnostic.h (set_internal_error_function): Renamed.
4110 * toplev.h (internal_error): Renamed from fatal.
4111 (pfatal_with_name): Deleted.
4112 (fatal_io_error): Now has printf-style arguments.
4113 * diagnostic.c (pfatal_with_name): Deleted.
4114 (fatal_io_error): Rework to have args in printf-style.
4115 (set_internal_error_function): Renamed from set_fatal_function.
4116 (internal_error): Renamed from fatal.
4117 (error_recursion, fancy_abort): Call internal_error instead of fatal.
4118 * dwarf2out.c (get_cfa_from_loc_descr): Likewise.
4119 * emit-rtl.c (gen_realpart, gen_imagpart): Likewise.
4120 * expr.c (check_max_integer_computation_mode, expand_expr): Likewise.
4121 * flow.c (verify_flow_info): Likewise.
4122 * config/arm/arm.c (thumb_unexpanded_epilogue): Likewise.
4123 * config/mips/mips.c (save_restore_insns): Likewise.
4125 * except.c (duplicate_eh_handlers): Call abort instead of fatal.
4126 * flow.c (verify_flow_info): Likewise.
4127 * config/arm/arm.c (thumb_load_double_from_address): Likewise.
4128 * config/avr/avr.c (pttreg_to_str, unique_section): Likewise.
4129 (avr_normalize_condition): Likewise.
4130 * config/c4x/c4x.c (c4x_emit_libcall, c4x_valid_operands): Likewise.
4131 * config/dsp16xx/dsp16xx.c (dsp16xx_reg_class_from_letter): Likewise.
4132 (limit_reload_class, double_reg_to_memory): Likewise.
4133 (print_operand_address, emit_1600_code_shift): Likewise.
4134 (gen_tst_reg, gen_compare_reg): Likewise.
4135 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Likewise.
4136 * config/dsp16xx/dsp16xx.c (dsp16xx_invalid_register_for_compare):
4138 * config/dsp16xx/dsp16xx.md (unnamed cmphi): Call abort instead of it.
4140 * c-parse.in (methoddef): Call fatal_error instead of fatal.
4141 * objc/objc-act.c (build_ivar_chain): Likewise.
4142 * dwarfout.c (dwarfout_init): Call fatal_io_error instead of
4144 * graph.c (clean_graph_dump_file): Likewise.
4145 * profile.c (init_branch_prob): Likewise.
4146 * objc/objc-act.c (objc_init): Likewise.
4148 * config/arm/arm.c (arm_override_options): Make errors non-fatal.
4149 * config/avr/avr.c (avr_override_options): Likewise.
4150 * config/c4x/c4x.c (c4x_expand_prologue): Likewise.
4151 * config/dsp16xx/dsp16xx.c (function_prologue): Likewise.
4152 * config/h8300/h8300.c (h8300_init_once): Likewise.
4153 * config/mips/mips.c (override_options): Likewise.
4154 * config/i386/i386.c (override_options): Likewise, rework.
4155 * config/m68k/m68k.c (override_options): Likewise.
4157 * config/dsp16xx/dsp16xx.c (print_operand): Call output_operand_lossage
4159 * config/mips/mips.c (print_operand): Likewise.
4160 * hash.c (hash_allocate): Don't check for failure returns from
4161 obstack functions that can't fail.
4162 (hash_table_init_n, hash_table_init): Likewise; also now return void.
4163 * hash.h (hash_table_init_n, hash_table_init): Now return void.
4164 * objc/objc_act.c (objc_check_decl): Remove unneeded fatal call.
4165 (get_object_reference): Likewise.
4167 2001-02-04 Nick Clifton <nickc@redhat.com>
4169 * config/arm/arm.c (all_cores): Add 710T, 720T, 740T, 940T, 9e,
4170 StrongARM1110, 10TDMI, and 1020T.
4172 2001-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4174 * mips.h (MULTILIB_ISA_DEFAULT): Don't use #elif.
4176 2001-02-04 Alexandre Oliva <aoliva@redhat.com>
4178 * config/sh/sh.md (movdf load split): Pass register number to
4179 FP_OR_XD_REGISTER_P.
4181 2001-02-04 Mark Mitchell <mark@codesourcery.com>
4183 * cppinit.c (BC): New macro.
4184 (builtin_array): Add __GXX_WEAK__.
4185 * cpplib.h (builtin_type): Add BT_WEAK.
4186 * cppmacro.c (builtin_macro): Handle BT_WEAK.
4187 * defaults.h (SUPPORTS_ONE_ONLY): Define.
4188 * varasm.c (SUPPORTS_ONE_ONLY): Do not define.
4190 2001-02-03 Jakub Jelinek <jakub@redhat.com>
4192 * cppinit.c (append_include_chain): Honor NO_IMPLICIT_EXTERN_C.
4194 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
4196 * cpphash.h: Rename _ALIGN POOL_ALIGN.
4197 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
4199 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
4201 * cpphash.h: Rename ALIGN _ALIGN.
4202 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
4204 Fri Feb 2 23:15:29 2001 Christopher Faylor <cgf@cygnus.com>
4206 * config/i386/cygwin.h (CPP_SPEC): Reorganize YA to better handle cross
4207 compilation environment.
4208 * config/i386/t-cygwin (T_CPPFLAGS): Define CYGWIN_CROSS_DIR to allow
4209 control over location of cygwin includes and libs.
4211 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
4213 * c4x.h (HARD_REGNO_CALL_PART_CLOBBERED): Fix typo.
4215 2001-02-02 lars brinkhoff <lars@nocrew.org>
4217 * md.texi (Standard Names): remove reference to spur.md.
4219 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
4221 * c4x.h (IS_INT_CALL_SAVED_REG, IS_FLOAT_CALL_SAVED_REG): Define.
4222 (HARD_REGNO_CALL_PART_CLOBBERED): Use IS_FLOAT_CALL_SAVED_REG.
4223 (INITIAL_FRAME_POINTER_OFFSET, INITIAL_ELIMINATION_OFFSET): Likewise.
4224 * c4x.c (c4x_hard_regno_rename_ok): Use IS_XXX_CALL_SAVED_REG.
4225 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
4227 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4229 * c4x.c (group1_reg_operand, group1_mem_operand, arx_reg_operand,
4230 c4x_arn_reg_operand, c4x_arn_mem_operand): Do not check register
4231 number before reload.
4232 (c4x_adjust_cost): Return zero before reload.
4233 * c4x.md (load_immed_address+1, load_immed_address+2): Do not
4234 split before reload.
4236 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4238 * c4x.c (c4x_hard_regno_rename_ok): New.
4239 * c4x-protos.h (c4x_hard_regno_rename_ok): New.
4240 * c4x.h (HARD_REGNO_RENAME_OK): Define.
4242 Fri Feb 2 20:03:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4244 * diagnostic.h: Add missing "extern" in all declarations.
4246 2001-02-02 Alex Samuel <samuel@codesourcery.com>
4248 * Makefile.in (gcc_gxx_target_include_dir): Generate dynamically
4249 as for gcc_gxx_include_dir.
4251 2001-02-02 Neil Booth <neil@daikokuya.demon.co.uk>
4253 * cpp.texi, invoke.texi: Update -Wtraditional documentation.
4255 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
4257 * config/sh/sh.c (output_far_jump): Don't use braf on SH1. Emit
4258 label before alignment to be used as the braf base address.
4259 * config/sh/sh.md (length): Use longer lengths for SH1 PIC far
4261 (casesi_jump_2): Require at least TARGET_SH2.
4263 * config/float-sh.h (LDBL_EPSILON, LDBL_MIN, LDBL_MAX): Prevent
4264 truncation to 32-bit doubles on -m3e and -m4-single-only.
4266 2001-02-02 Mark Mitchell <mark@codesourcery.com>
4268 * gcc.c (init_gcc_specs): New function. Make -shared-libgcc
4269 the default when building a shared object.
4270 (init_spec): Use it.
4271 * testsuite/lib/g++.exp: Include the directory where libgcc
4272 is located to the LD_LIBRARY_PATH list.
4273 * invoke.texi (-shared-libgcc): Document the cases in which
4274 GCC defaults to using the shared libgcc.
4276 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
4278 * config/fp-bit.h (MAX_USI_INT, MAX_SI_INT): Don't assume
4279 unsigned is wide enough.
4281 * config/fp-bit.c (_fpmul_parts): Don't assume 32-bits SI.
4282 (si_to_float): Likewise.
4283 (float_to_si, float_to_usi): Use BITS_PER_SI.
4285 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
4287 * dwarf2out.c: Added explanation of abbreviations.
4288 (def_cfa_1): Added comments listing DWARF2 instructions.
4289 (cfa_temp_reg): Removed in favor of cfa_temp.
4290 (cfa_temp_value): Removed in favor of cfa_temp.
4291 (cfa_temp): New global variable.
4292 (dwarf2out_frame_debug_expr): Added extensive introductory
4293 comments explaining the function's transformations. Revised to
4294 use cfa_temp. Added some rtx checking. Generalize IOR case.
4295 (dwarf2out_frame_debug): Revised to use cfa_temp.
4296 (output_aranges): Cast as "unsigned" to avoid warning.
4297 * rtl.texi (RTX_FRAME_RELATED_P): Revise entry to emphasize better
4298 explain which instructions must be marked.
4300 2001-02-01 Richard Henderson <rth@redhat.com>
4302 * local-alloc.c (update_equiv_regs): Copy INSN_CODE to the
4305 2001-02-01 Alexandre Oliva <aoliva@redhat.com>
4307 * config/sh/crt1.asm (main_k): Modified so that start calls
4308 ___setup_argv_and_call_main.
4310 2001-02-01 Neil Booth <neil@daikokuya.demon.co.uk>
4312 * cpphash.h (struct cpp_buffer): Move saved_flags from cpp_reader.
4313 * cpplex.c (_cpp_lex_token): New token picks up the saved flags,
4314 and AVOID_LPASTE is cleared on meeting an unescaped newline.
4315 * cppmacro.c (builtin_macro): Set builtin flags here.
4316 (paste_all_tokens): Preserve AVOID_LPASTE on pasted token.
4317 (replace_args): Clarify intent.
4318 (cpp_get_token): Macro expansion tokens get the saved flags.
4320 * cppmain.c (scan_buffer): Remove now-redundant print.printed
4323 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
4325 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Reverse change of
4328 Thu Feb 1 07:22:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4330 * builtins.c (expand_builtin_alloca): allocate_dynamic_stack_space
4331 returns Pmode pseudo, but we need ptr_mode.
4332 * explow.c (allocate_dynamic_stack_space): Use plus_constant.
4333 Remove bogus conversions; use HOST_WIDE_INT for size.
4334 Don't use TARGET if wrong mode.
4336 * config/i386/i386.c (ix86_compute_frame_size): Allow
4337 stack_alignment_needed to be non-default even if size is zero.
4339 2001-01-31 Alan Modra <alan@linuxcare.com.au>
4341 * (hppa_init_pic_save): Emit the pic offset table
4342 reg save after last_parm_insn.
4343 * pa.c (hppa_init_pic_save): New function.
4344 * pa.h (hppa_init_pic_save): Declare.
4345 * pa.md (call, call_value, sibcall, sibcall_value): Use
4346 the above instead of duplicated code.
4348 * pa.c (hppa_encode_label): Correct size of alloca buffer
4349 so we don't overrun it. Correct leading `*' case.
4350 * pa.h (STRIP_NAME_ENCODING): Simplify now that we don't
4351 need to handle `*@'.
4352 (FUNCTION_NAME_P): Likewise.
4354 2001-01-31 Richard Henderson <rth@redhat.com>
4356 * config.gcc (alpha-osf5): Use float-i128.h.
4358 * config/float-i128.h (FLT_EVAL_METHOD, DECIMAL_DIG): Define.
4359 * config/float-i32.h: Likewise.
4360 * config/float-i64.h: Likewise.
4361 * config/float-sh.h: Likewise.
4362 * config/float-sparc.h: Likewise.
4364 2001-01-31 DJ Delorie <dj@redhat.com>
4366 * expmed.c (extract_bit_field): allow non-integral modes if we
4367 want to extract a whole register from itself.
4369 2001-01-31 Jakub Jelinek <jakub@redhat.com>
4371 * c-typeck.c (set_init_index): If first is equal to last, assume as
4372 if it was not a range at all.
4374 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
4376 * config/fp-bit.c: Include tm.h.
4377 (float_to_si): Don't assume SImode is 32-bits wide.
4378 (float_to_usi): Likewise.
4380 2001-01-31 Joseph S. Myers <jsm28@cam.ac.uk>
4382 * c-parse.in (structsp): Pedwarn when "enum foo" refers to an
4384 (typename): Call pending_xref_error after parsing typed_typespecs.
4385 * c-decl.c (lookup_tag): Give error immediately rather than
4386 leaving it pending if the tag of the wrong type is in the same
4388 (xref_tag): Don't pedwarn for forward declarations of enum types
4390 * gcc.texi (Actual Bugs): Remove entry for misuse of struct, union
4393 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
4395 * config/float-sparc.h (LDBL_MAX) [sparc32]: Fix typo.
4397 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
4399 * cpplib.c (T_ELIF): Move to STDC89, not that it matters.
4400 (_cpp_handle_directive): Suggest not using #elif with -Wtraditional.
4402 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
4404 * cpphash.h (struct cpp_reader): New saved_flags.
4405 * cppmacro.c (cpp_get_token): Use saved_flags to remember
4406 to avoid a paste after a pasted token.
4408 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
4410 * libgcc2.h (Wtype_MAX, Wtype_MIN): Define.
4411 * libgcc2.c (__fixunssfSI, __fixunsdfSI, __fixunsxfSI): Use
4412 Wtype_MIN instead of LONG_MIN.
4414 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
4416 * fixinc/fixincl.tpl: Add 2001 to copyright. Change name of
4418 * fixinc/fixincl.x: Regenerated.
4419 * fixinc/inclhack.def (irix_limits_const): New definition to
4420 convert "const" to "__const" in limits.h.
4422 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
4424 * fixinc/genfixes (AG): Fix "autogen4" thinko.
4426 2001-01-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4428 * regmove.c (try_auto_increment): Change REG_DEAD into REG_UNUSED
4429 when register dies in the insn.
4431 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
4433 * diagnostic.c (fatal): Fix word wrap.
4435 2001-01-30 Alexandre Oliva <aoliva@redhat.com>
4437 * combine.c (try_combine): Fix SUBREG setting for
4438 HOST_BITS_PER_WIDE_INT >= 2 * BITS_PER_WORD.
4440 2001-01-30 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4442 * jump.c (comparison_dominates_p): Don't try to handle UNKNOWN
4445 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
4447 * c-decl.c (c_expand_body): Check TYPE_SIZE_UNIT (ret_type)
4449 * toplev.c (decode_W_option): Update warn_larger_than
4450 unconditionally for each processed switch.
4452 2001-01-30 John David Anglin <dave@hiauly1.hia.nrc.ca>
4454 * pa.c (pa_init_machine_status): Initialize pic_offset_table_save_rtx
4456 (hppa_expand_prologue): Delete code to save pic offset table register
4457 in the function prologue.
4458 * pa.h (PIC_OFFSET_TABLE_SAVE_RTX): Correct type in comment.
4459 * pa.md (call, call_value, sibcall, sibcall_value): Save the pic offset
4460 table register at the beginning of the function after the prologue.
4462 2001-01-29 lars brinkhoff <lars@nocrew.org>
4464 * tm.texi (PUSH_ROUNDING): Remove duplicate lines.
4466 2001-01-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
4467 Jeff Law <law@redhat.com>
4469 * pa.md (return): Revise comment for trivial return.
4470 (return_internal): Non-trivial return pattern for non-PIC code.
4471 (return_internal_pic): Non-trivial return pattern for PIC code.
4472 It uses the PIC register to ensure it is restored after
4474 (epilogue): Generate appropriate return for PIC and non-PIC code.
4476 Mon Jan 29 23:53:14 2001 Christopher Faylor <cgf@cygnus.com>
4478 * config/i386/cygwin.h: Fix -mno-cygwin search path for link.
4480 2001-01-29 DJ Delorie <dj@redhat.com>
4482 * combine.c (if_then_else_cond): Pass the correct mode to
4483 operand_subword() for constants.
4485 Mon Jan 29 20:38:19 2001 Christopher Faylor <cgf@cygnus.com>
4487 * config/i386/cygwin.h: Add w32api to include search. Search different
4488 directories in a cross-build environment.
4490 2001-11-29 Tim Josling <tej@melbpc.org.au>
4492 * tree.h (TYPE_STUB_DECL): Add documentation.
4494 2001-11-29 Laurynas Biveinis <lauras@softhome.net>
4496 * sdbout.c (sdbout_one_type): Skip types with indeterminate size.
4497 (sdbout_field_types): Likwise. Fix use of host_integerp.
4499 2001-01-29 Thomas Pfaff <tpfaff@gmx.net>
4501 * mingw32.h: Override STARTFILE_SPEC and LINK_SPEC declared in
4504 2001-01-29 Jeffrey Oldham <oldham@codesourcery.com>
4506 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Revise definition
4507 to use flag_gnu_linker.
4509 2001-01-29 Neil Booth <neil@daikokuya.demon.co.uk>
4511 * cpplib.c (T_BAD_DIRECTIVE): Remove.
4512 (_cpp_init_stacks): Loop from 0 to N_DIRECTIVES - 1.
4514 2001-01-29 Joseph S. Myers <jsm28@cam.ac.uk>
4516 * tree.c, tree.h (build_parse_node): Remove; was identical to
4518 * c-lang.c (start_cdtor), objc/objc-act.c
4519 (build_module_descriptor): Use build_nt instead of
4522 2001-01-29 Jakub Jelinek <jakub@redhat.com>
4524 * config/i386/i386.md (addqi_1_lea): Fix mode (QI instead of HI).
4525 (testqi_1, andqi_2): If widening to SImode, make sure CONST_INT does
4526 not have any upper bits set.
4528 2001-01-29 Phil Edwards <pme@sources.redhat.com>
4530 * COPYING.LIB: Update to LGPL 2.1 from the FSF.
4532 2001-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4534 * stmt.c (estimate_case_costs): Use integer_minus_one_node.
4536 * tree.c (build_common_tree_nodes_2): Set integer_minus_one_node.
4538 * tree.h (tree_index): Add new element TI_INTEGER_MINUS_ONE.
4539 (integer_minus_one_node): Define.
4541 2001-01-28 Alexandre Oliva <aoliva@redhat.com>
4543 * Makefile.in (bootstrap2-lean): Fix typo.
4545 2001-01-28 Neil Booth <neil@daikokuya.demon.co.uk>
4547 * cpphash.c (_cpp_cleanup_hashtable, _cpp_lookup_with_hash)
4548 : Don't set fe_value.
4549 * cpplib.h (AVOID_LPASTE): New flag.
4550 (struct cpp_hashnode): Remove fe_value.
4551 * cpplex.c (cpp_avoid_paste): Don't paste '.' with a number.
4552 * cppmacro.c (builtin_macro): Don't set flags here.
4553 (replace_args): Set AVOID_LPASTE flag on first token of an
4554 argument, and the token following it.
4555 (cpp_get_token): Set AVOID_LPASTE flag on first token of a
4556 macro expansion, and on the token following it. Do it for
4558 * cppmain.c (scan_buffer): Avoid pasting only flagged tokens.
4560 2001-01-27 Richard Henderson <rth@redhat.com>
4562 * config/alpha/t-ieee: Remove multilibbing.
4563 (TARGET_LIBGCC2_CFLAGS): Add -mieee.
4565 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4567 * configure.in: Arrange to include defaults.h in [ht]config.h/tm.h.
4569 * Makefile.in: Remove all dependencies on defaults.h.
4570 * builtins.c: Don't include defaults.h.
4571 * c-common.c: Likewise.
4572 * c-decl.c: Likewise.
4573 * c-pragma.c: Likewise.
4574 * c-typeck.c: Likewise.
4575 * combine.c: Likewise.
4577 * frame-ia64.c: Likewise.
4578 * cppexp.c: Likewise.
4579 * crtstuff.c: Likewise.
4580 * dbxout.c: Likewise.
4581 * dwarf2out.c: Likewise.
4582 * dwarfout.c: Likewise.
4583 * emit-rtl.c: Likewise.
4584 * except.c: Likewise.
4586 * final.c: Likewise.
4587 * frame-dwarf2.c: Likewise.
4588 * libgcc2.c: Likewise.
4589 * optabs.c: Likewise.
4590 * profile.c: Likewise.
4591 * sdbout.c: Likewise.
4592 * toplev.c: Likewise.
4593 * tradcif.y: Likewise.
4595 * varasm.c: Likewise.
4597 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4599 * builtins.c (expand_builtin_fputs): Use size_one_node when
4600 transforming into fwrite.
4602 2001-01-27 Joseph S. Myers <jsm28@cam.ac.uk>
4604 * extend.texi (Attribute Syntax): New section.
4606 2001-01-27 Michael Sokolov <msokolov@ivan.Harhan.ORG>
4608 * fixproto: Correctly install synthesised unistd.h and stdlib.h when
4609 they didn't need fixing.
4611 2001-01-27 Janis Johnson <janis@us.ibm.com>
4613 * config.gcc (i[34567]86-sequent-{ptx4*,sysv4*}): Use usegas.h
4615 * config/ptx4.h: Several fixes to build on DYNIX/ptx v4.[456], and
4616 to remove macro definitions that are duplicated from elfos.h.
4618 2001-01-27 Richard Henderson <rth@redhat.com>
4620 * config/i386/sco5gas.h: Move ...
4621 * config/usegas.h: ... here.
4622 * config.gcc (i[34567]86-*-sco3.2v5) [tm_file]: Update.
4624 2001-01-27 Jakub Jelinek <jakub@redhat.com>
4626 * c-typeck.c (struct constructor_stack): Add range_stack member.
4627 (really_start_incremental_init): Clear it.
4628 (push_init_level): Save constructor_range_stack and clear it if
4629 pushing explicit braces.
4630 (pop_init_level): abort if constructor_range_stack is non-zero at
4631 explicit closing brace. Restore saved constructor_range_stack if
4634 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
4636 * expr.c (emit_move_insn): Add REG_EQUAL note when constant loaded
4637 into register was forced into memory.
4639 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
4641 * Makefile.in: Remove uses of + before $(MAKE).
4643 2001-01-26 Richard Henderson <rth@redhat.com>
4645 * stmt.c (cost_table): Remove.
4646 (COST_TABLE, cost_table_initialized): New.
4647 (estimate_case_costs): Use the later instead of the former.
4648 (balance_case_nodes): Likewise.
4650 2001-01-26 Richard Henderson <rth@redhat.com>
4652 * alias.c (objects_must_conflict_p): Read-only slots may not
4653 conflict despite having the same type.
4655 2001-01-27 Michael Hayes <mhayes@redhat.com>
4657 * loop.c (loop_giv_reduce_benefit): Copy mode size into
4659 (check_ext_dependant_givs): Initialise u_start_val and
4661 (load_mems): Make last_max_reg unsigned.
4662 (try_swap_copy_prop): Use INSN_P and initialise set.
4664 Fri Jan 26 23:22:58 2001 Denis Chertykov <denisc@overta.ru>
4666 * README.AVR : Removed.
4668 Fri Jan 26 11:37:26 2001 Jeffrey A Law (law@cygnus.com)
4670 * pa-64.h (text_section): Remove declaration.
4672 * pa.md (return_internal): Remove mode on PIC register use.
4674 2001-01-25 lars brinkhoff <lars@nocrew.org>
4676 * tm.texi (DATA_ALIGNMENT, LOCAL_ALIGNMENT, ASM_OPEN_PAREN,
4677 ASM_CLOSE_PAREN): fix typos.
4679 2001-01-25 Mark Mitchell <mark@codesourcery.com>
4681 * acconfig.h: Define `const' to the empty string if neither
4682 __STDC__ nor __cplusplus is defined.
4683 * config.in: Regenerated.
4685 2001-01-25 David Edelsohn <edelsohn@gnu.org>
4687 * config.gcc (rs6000-ibm-aix[5-9]*): Change to aix51.h.
4688 * collect2.c (main): Delete importf. Add ".obj" file extension.
4689 (GCC_CHECK_HDR): Handle AIX V5 new magic number.
4690 (aix_std_libs): Add additional AIX libraries to skip.
4691 * config/rs6000/aix.h (MY_ISCOFF): Add AIX V5 new magic number.
4692 * config/rs6000/aix51.h: New file.
4694 2001-01-25 Michael Hayes <mhayes@redhat.com>
4696 * loop.c (loop_call_insn_emit_before, loop_call_insn_hoist): New.
4697 (loop_insn_emit_before): No longer static.
4698 (move_movables): Replace emit_insn_after with loop_insn_emit_after.
4699 (loop_givs_rescan, load_mems): Likewise.
4700 (check_dbra_loop): Replace emit_insn_before with loop_insn_emit_before.
4701 (maybe_eliminate_biv_1):
4702 (move_movables): Replace emit_call_insn_before with
4703 loop_call_insn_hoist.
4704 * loop.h (loop_insn_emit_before): Add.
4705 * unroll.c (copy_loop_body): Replace emit_insn_before with
4706 loop_insn_emit_before.
4708 2001-01-25 Neil Booth <neil@daikokuya.demon.co.uk>
4710 * diagnostic.c (fatal): Request preprocessed source.
4712 Thu Jan 25 02:01:16 2001 J"orn Rennecke <amylaar@redhat.com>
4714 * c-decl.c (duplicate_decls): If different_binding_level is nonzero,
4715 olddecl has argument types and newdecl has none, use the argument
4718 2001-01-24 Ulrich Drepper <drepper@redhat.com>
4720 * dwarf2out.c (prefix_of): New function. Determine longest common
4721 prefix of the two arguments. The units are whole path components.
4722 (output_file_names): When adding a new directory find the one entry
4723 with the longest common prefix already in the list. Artificially
4724 generate entry if there is none for this prefix.
4725 Fix test to check whether the zeroth directory entry is used.
4727 Wed Jan 24 23:51:55 2001 J"orn Rennecke <amylaar@redhat.com>
4729 * reload1.c (reload_reg_free_for_value_p): New parameter start_regno.
4730 Changed all callers. Take it into account when deciding if a
4731 previously loaded value matches.
4733 2001-01-24 Richard Henderson <rth@redhat.com>
4735 * reload.c (find_reloads_subreg_address): Fail the substitution
4736 if the resulting address is insufficiently aligned.
4738 2001-01-24 DJ Delorie <dj@redhat.com>
4740 * combine.c (combine_simplify_rtx): If the modes are all VOIDmode,
4741 check the original operand's mode also.
4742 * simplify-rtx.c (simplify_ternary_operation): Ditto.
4744 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
4746 * c-parse.in (cast_expr): Move compound literals from here ...
4747 (primary): ... to here. Use standard terminology "compound
4748 literal" instead of "constructor expression".
4750 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
4752 * gcc.1, cpp.1: Regenerate.
4754 2001-01-24 Alexandre Oliva <aoliva@redhat.com>
4756 * calls.c (emit_library_call_value_1): Memory slot for
4757 pass-by-reference argument should have the mode of the argument,
4758 not of the pointer to it.
4760 2001-01-24 Tom Tromey <tromey@redhat.com>
4762 * gcc.texi (G++ and GCC): Mention gcj manual.
4763 (Standards): Link to section of manual mentioning gcj/Java
4766 2001-01-24 Jakub Jelinek <jakub@redhat.com>
4768 * cppfiles.c (_cpp_read_file): Add to dependencies if requested.
4769 * cppinit.c (cpp_start_read): Remove deps_add_dep call.
4770 * tradcpp.c (main): Add -imacros or -include'd dependencies
4772 * cpp.texi (-M, -MM): Document -M -include behaviour.
4774 2001-01-24 Roger Collins <roger@ProProject.com>
4776 * config/i386/xm-i386.h: Make __i386__ a boolean macro.
4778 2001-01-24 Will Cohen <wcohen@redhat.com>
4780 * config/mips/abi64.h (RETURN_IN_MEMORY): Always take into account
4781 whether registers are 32 bits or 64 bits in size.
4783 2001-01-24 Ben Elliston <bje@redhat.com>
4785 * config/m32r/m32r.h (PREDICATE_CODES): Remove m32r_not_same_reg.
4787 2001-01-24 Richard Henderson <rth@redhat.com>
4789 * config/alpha/alpha.md (builtin_longjmp_internal): New.
4790 (builtin_longjmp): Use it instead of emit_indirect_jump.
4792 2001-01-23 John David Anglin <dave@hiauly1.hia.nrc.ca>
4794 * bb-reorder.c (make_reorder_chain_1): Handle case where
4795 jump edge goes to the same block as the fallthru edge.
4797 2001-01-23 Jim Wilson <wilson@redhat.com>
4799 * dwarf2out.c (dwarf2out_line): Make last_file_num be unsigned.
4800 * frame.h (__ia64_personality_v1): Add prototype.
4801 * libgcc2.c (ia64_throw_helper): Change personality declaration to
4802 prototype form. Add void * cast to first argument to personality
4804 * real.c (e113toe): Surround with INTEL_EXTENDED_IEEE_FORMAT ifdefs.
4805 (asctoe113): Likewise.
4806 * config/ia64/frame-ia64.c: Include eh-common.h.
4807 * config/ia64/ia64-protos.h (sdata_section, sbbs_section): Add
4809 * config/ia64/ia64.c (emit_insn_group_barriers): Add ATTRIBUTE_UNUSED
4811 (itanium_split_issue): Add prototype.
4812 (gen_nop_type): Ifdef out.
4813 (find_best_packet): Initialize best_packet.
4814 (ia64_encode_section_info): New local string. Use for ggc_alloc_string
4816 * config/ia64/ia64.h (ASM_OUTPUT_LONG_DOUBLE): Use 0L not 0.
4817 * config/ia64/ia64.md (bsp_value): Add explicit stop bit at start.
4818 (flushrs): Add explicit stop bit at end.
4819 * config/ia64/lib1funcs.asm (__ia64_restore_stack_nonlocal): Change
4822 2001-01-23 Chris Demetriou <cgd@broadcom.com>
4824 * libgcc-std.ver (GCC_3.0): Add __terminate_func_set to list
4826 * libgcc2.c (__terminate_func): Make variable static.
4827 (__terminate_set_func): New function to set __terminate_func.
4828 * libgcc2.h (__terminate_func_ptr): New typedef.
4829 (__terminate_set_func): New function.
4831 2001-01-23 Richard Henderson <rth@redhat.com>
4833 * flow.c (init_propagate_block_info): Don't consider unchanging
4834 memories for dead frame store elimination.
4836 2001-01-23 Richard Henderson <rth@redhat.com>
4838 * varasm.c (UNIQUE_SECTION): Move default implementation ...
4839 * defaults.h: ... here.
4841 2001-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4843 * c4x.h (TARGET_LOAD_DIRECT_MEMS): Define.
4845 2001-01-23 Neil Booth <neil@daikokuya.demon.co.uk>
4847 * c-lex.c (lex_charconst): Fix typo: s/p/str.
4849 2001-01-23 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4851 * rs6000.h (rs6000_return_addr): Move prototype from here...
4852 * rs6000-protos.h (rs6000_return_addr): ...to here.
4853 (rs6000_init_expanders): Delete prototype.
4855 2001-01-23 Nick Clifton <nickc@redhat.com>
4857 * invoke.texi: Replace , with \, inside @gccoptlist macros.
4858 (Spec Files): Document %B and %j and %. and %v3 and %M and
4859 %{S*&T} spec switches.
4861 2001-01-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4863 * c4x.c (c4x_r11_set_p): Calculate rtx code correctly.
4865 2001-01-23 Chris Demetriou <cgd@sibyte.com>
4866 Neil Booth <neil@daikokuya.demon.co.uk>
4868 * cpperror.c: Merge handlers of PEDWARN and WARNING.
4869 Have -Werror make pedantic warnings errors, like the
4872 2001-01-23 Phil Edwards <pme@sources.redhat.com>
4874 * c-tree.texi (IDENTIFIER_LENGTH): Fix typo.
4876 2001-01-23 Jakub Jelinek <jakub@redhat.com>
4878 * integrate.h (struct inline_remap): Add compare_src, compare_mode.
4879 * integrate.c (expand_inline_function): Initialize them.
4880 (subst_constants): If changing COMPARE so that both its arguments
4881 will be VOIDmode and the comparison mode will be lost, note
4882 compare_mode. Use the recorded compare_mode to optimize
4885 2001-01-23 Jason Merrill <jason@redhat.com>
4887 * dwarf2out.c (new_die): Use xcalloc.
4888 (output_die): Abort rather than emit a local reference to offset 0.
4890 2001-01-17 Andrew Haley <aph@redhat.com>
4892 * libgcc2.c (get_reg_addr): Don't abort if we haven't got a copy
4893 of a saved register; return NULL instead.
4894 (copy_reg): Take a pointer to a source register rather than a
4896 (next_stack_level): Remember the address in the stack frame of all
4898 Use the saved register pointer array as the source of the CFA.
4899 (throw_helper): Rewrite. Unwind once rather than twice and keep
4900 track of saved registers as we go.
4902 2001-01-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4904 * c4x-protos.h (c4x_legitimize_reload_address): Remove.
4905 * c4x.c (c4x_legitimize_reload_address): Remove.
4906 * c4x.h (LEGITIMIZE_RELOAD_ADDRESS): Rewrite to generate correct
4907 reload address for ldp(k) insn.
4909 Mon Jan 22 20:53:47 2001 Jeffrey A Law (law@cygnus.com)
4911 * pa.md (return_internal): Add a USE of the PIC register to ensure
4912 it is restored after each call.
4913 (return expander): Corresponding changes.
4915 2001-01-22 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4917 * rs6000.h (INIT_EXPANDERS): Delete.
4918 (RETURN_ADDR_RTX): Call rs6000_return_addr().
4919 * rs6000.c (rs6000_override_options): Call *_machine_status from
4921 (rs6000_init_expanders): ...instead of here. Delete.
4922 (rs6000_mark_machine_status): New function.
4923 (rs6000_init_machine_status): Use xcalloc.
4924 (rs6000_return_addr): Generate RTX for the return address.
4925 (rs6000_ra_ever_killed): New, check if LR was ever destroyed.
4926 (rs6000_stack_info): Use it.
4928 2001-01-22 Thomas Pfaff <tpfaff@gmx.net>
4930 * gthr-win32.h: Include errno.h to get a declaration for
4931 EINVAL and _mingw.h if the target is mingw32.
4933 2001-01-22 Andres Felipe Vargas <avargas@teletulua.com.co>
4935 * cpp.texi: Correct typos.
4937 Mon Jan 22 13:59:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4939 * explow.c (probe_stack_range): Ensure value passed to
4940 stack_check_libfunc is ptr_mode, not Pmode.
4942 Mon Jan 22 16:53:06 2001 J"orn Rennecke <amylaar@redhat.com>
4944 * recog.c (validate_replace_rtx_1): In ZERO_EXTEND / SIGN_EXTEND
4945 case, don't use operand_subword to calculate a SUBREG that is
4948 * rtl.texi: Comparisons yield 0 or STORE_FLAG_VALUE.
4950 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4952 * c4x.c (c4x_valid_rptb_p, c4x_label_ref_used_p): New functions.
4953 (c4x_rptb_insert): Call c4x_valid_rptb_p to check if repeat block is
4954 valid. If not replace it by equivalent insns.
4956 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4958 * c4x.c (c4x_check_legit_addr): Only check CONST. Not if CONST
4959 contains SYMBOL_REF, LABEL_REF and CONST_INT.
4960 (c4x_U_constraint, symbolic_address_operand): Likewise.
4961 (c4x_immed_float_constant): Do not check if CONST_DOUBLE is in
4963 (c4x_r11_set_p, c4x_check_laj_p): New functions.
4964 * c4x-protos.h (c4x_check_laj_p): Add prototype.
4965 * c4x.md (in_annul_slot_3): Do not allow auto-increment in last
4966 anulling slot because of silicon bug.
4967 (laj, lajv): Call c4x_check_laj_p to check for silicon bug.
4969 2001-01-22 Alan Modra <alan@linuxcare.com.au>
4971 * cppexp.c (parse_charconst): Change `mask' type to agree
4974 2001-01-21 Richard Henderson <rth@redhat.com>
4976 * config/i386/i386.c (ix86_asm_file_end): Disable putting
4977 pic_label_name in a linkonce section.
4979 2001-01-17 Philipp Thomas <pthomas@suse.de>
4981 * aclocal.m4 (AM_WITH_NLS): Add -lintl to LIBS if gettext was
4983 * configure: Regenerate.
4985 Sun Jan 21 02:38:56 2001 J"orn Rennecke <amylaar@redhat.com>
4987 * expmed.c (synth_mult, expand_mult_highpart, expand_divmod): Guard
4988 uses of shift_cost, shiftadd_cost and shiftsub_cost with bound checks.
4990 Sun Jan 21 09:44:17 2001 Denis Chertykov <denisc@overta.ru>
4992 * config/avr/avr.c (ret_cond_branch): New argument (reverse) added.
4993 If REVERSE nonzero then condition code in X must be reversed.
4994 (encode_section_info): Optimise if/else.
4995 (avr_function_value): Fix formatting.
4997 * config/avr/avr.md (branch): Call to ret_cond_branch changed.
4998 (difficult_branch): Likewise.
4999 (rvbranch): Likewise.
5000 (difficult_rvbranch): Likewise.
5002 * config/avr/avr-protos.h (ret_cond_branch): Prototype changed.
5004 * config/avr/libgcc.S: Fix comment.
5006 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
5008 * sdbout.c (PUT_SDB_DEF): Fix after last bogus change.
5010 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
5012 * cppinit.c (INO_T_EQ): Don't use #elif, fix formatting.
5014 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
5016 * aclocal.m4 (gcc_AC_FUNC_STRSTR): New macro.
5017 * configure.in (gcc_AC_FUNC_STRSTR): Add invokation.
5018 * configure, config.in: Regenerate.
5019 * Makefile.in (STRSTR, HOST_STRSTR, USE_HOST_STRSTR): New variables.
5020 (LIBDEPS, HOST_LIBDEPS, LIBS, HOST_LIBS): Add strstr handling.
5021 (strstr.o, $(HOST_PREFIX_1)strstr.o): New rules.
5022 (doprint.o): New rule.
5024 2001-01-20 Joseph S. Myers <jsm28@cam.ac.uk>
5026 * c-typeck.c (digest_init): Handle boolean types as scalars.
5028 Sat Jan 20 12:46:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5030 * stmt.c (expand_return): Don't return anything if size is zero.
5031 Delete redundant assignment to BYTES.
5032 * expr.c (move_block_from_reg): Do nothing if NREGS is zero.
5034 2001-01-20 Marek Michalkiewicz <marekm@linux.org.pl>
5036 * config/avr/avr.h (INIT_TARGET_OPTABS): Remove most of it, was
5037 the same as the default library function names.
5038 * config/avr/avr.md: Document special characters after '%'.
5039 (mulqi3, mulhi3, mulsi3): Call libgcc.S functions ourselves,
5040 knowing which of the call-used registers are really clobbered.
5041 (divmodqi4, udivmodqi4, divmodhi4, udivmodhi4, divmodsi4, udivmodsi4):
5042 New. Both quotient and remainder from one libgcc.S call.
5043 * config/avr/libgcc.S: Optimize mul/divmod for the new insns above,
5044 clobber as few registers as possible.
5045 * config/avr/t-avr (LIB1ASMFUNCS): Adjust for the above changes.
5047 2001-01-20 Neil Booth <neil@daikokuya.demon.co.uk>
5049 * cppmacro.c (funlike_invocation_p): Don't move back up to the
5050 context of the top of the stack.
5052 2001-01-20 Jakub Jelinek <jakub@redhat.com>
5054 * function.c (fixup_var_refs): Move CALL_PLACEHOLDER handling...
5055 (fixup_var_refs_insns): ...here.
5057 2001-01-20 Zack Weinberg <zack@wolery.stanford.edu>
5059 * function.c (fixup_var_refs_insns): Break up into
5060 fixup_var_refs_insn [body of loop], fixup_var_refs_insns
5061 [loop over entire insn list], and fixup_var_refs_insns_with_hash
5062 [loop over hash table entries].
5063 (fixup_var_refs): Adjust calls to fixup_var_refs_insns and/or
5064 fixup_var_refs_insns_with_hash, to match above changes.
5066 2001-01-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
5068 * Makefile.in (ORDINARY_FLAGS_TO_PASS): Add MAKEOVERRIDES variable.
5069 (libgcc.a): Likewise.
5070 (stmp-multilib): Likewise.
5071 (STAGE2_FLAGS_TO_PASS): Likewise.
5073 2001-01-19 Alexandre Oliva <aoliva@redhat.com>
5075 * config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as
5076 temporary if no_new_pseudos.
5078 2001-01-19 Neil Booth <neil@daikokuya.demon.co.uk>
5080 * cppinternals.texi: Update.
5082 2001-01-19 Richard Earnshaw <rearnsha@arm.com>
5084 * arm.c (arm_init_builtins): Re-enable builtins.
5086 Fri Jan 19 13:02:56 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5088 * rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility.
5089 * flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow
5090 element to be null, and always expect an EXPR_LIST.
5091 * rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise.
5092 * sched-deps.c (sched_analyze_1): Likewise.
5093 * sched-rgn.c (check_live_1, update_live_1): Likewise.
5095 * regclass.c (max_set_parallel): New variable.
5096 (reg_scan): Take it into account in computation of max_parallel.
5097 (reg_scan_mark_refs, case SET): Compute it.
5099 * alias.c (rtx_equal_for_memref_p, case ADDRESSOF): Don't assume
5101 * expr.c (store_constructor): Don't look at MEM_ALIAS_SET unless MEM.
5102 * function.c (assign_parms): Use INTVAL for a CONST_INT.
5104 2001-01-19 Jason Merrill <jason@redhat.com>
5106 * dwarf2out.c (gen_subprogram_die): Don't reuse the in-class decl
5107 for the abstract instance of an inline function.
5109 Fri Jan 19 14:31:35 2001 Alexandre Oliva <aoliva@redhat.com>
5110 J"orn Rennecke <amylaar@redhat.com>
5112 * reload1.c (move2add_note_store): Treat all registers directly or
5113 indirectly derived from a base register as members of the same set
5115 (reload_cse_move2add): Adjust accordingly. Take mode and offset
5116 of base register into account.
5118 Fri Jan 19 09:18:42 2001 J"orn Rennecke <amylaar@redhat.com>
5120 * alias.c (find_base_value): Recognize TRUNCATE.
5121 (record_set): In PLUS case, invalidate if other summand is also a
5124 Thu Jan 18 06:43:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5126 * flow.c (mark_set_1, case PARALLEL): New case; rework to allow
5127 entry to be EXPR_LIST.
5128 * rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to
5129 be an EXPR_LIST (but not null, which other code doesn't allow).
5130 (note_stores): Properly handle PARALLEL in SET.
5131 Recursively call for top-level PARALLEL.
5132 * sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET.
5133 * sched-rgn.c (check_live_1, update_live_1): Likewise.
5135 * config.gcc (rs6000-ibm-aix*, rs6000-bull-bosx): Add rs6000/aix.h.
5137 2001-01-18 Neil Booth <neil@daikokuya.demon.co.uk>
5139 * cpplib.c (_cpp_handle_directive): Use buffer->was_skipping,
5140 not pfile->skipping (== 0).
5142 2001-01-17 Nick Clifton <nickc@redhat.com>
5144 * config/rs6000/rs6000.c: Add prototypes for {init|free}_
5147 2001-01-17 Jim Wilson <wilson@redhat.com>
5149 * invoke.texi (IA-64 options): Improve.
5151 2001-01-17 Tom Tromey <tromey@redhat.com>
5153 * invoke.texi (Optimize Options): Use `{}' to around @samp
5156 2001-01-17 Aldy Hernandez <aldyh@redhat.com>
5158 * invoke.texi (-fno-guess-branch-probability): New option.
5160 Wed Jan 17 13:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5162 * combine.c (try_combine): Don't set i3_subst_into_i2 for
5163 case of making new double-word constant.
5164 Revert last change: instead just test i3_subst_into_i2.
5166 2001-01-17 Jakub Jelinek <jakub@redhat.com>
5168 * config/i386/i386.md (cmpqi_minus_1): Use {b} for QImode operation.
5169 Use q constraints instead of r.
5171 Tue Jan 16 22:23:04 2001 Alan Modra (alan@linuxcare.com.au)
5173 * config/pa/pa.h (PIC_OFFSET_TABLE_REGNUM_SAVED): Remove.
5174 (machine_function): Define.
5175 (PIC_OFFSET_TABLE_SAVE_RTX) : Define.
5176 * config/pa/pa.c (pa_init_machine_status, pa_mark_machine_status,
5177 pa_free_machine_status): New functions.
5178 (override_options): Set {init,mark,free}_machine_status to above.
5179 (hppa_expand_prologue): Use PIC_OFFSET_TABLE_SAVE_RTX instead of
5180 PIC_OFFSET_TABLE_REGNUM_SAVED.
5181 * config/pa/pa.md: Use PIC_OFFSET_TABLE_SAVE_RTX instead of
5182 PIC_OFFSET_TABLE_REGNUM_SAVED throughout.
5183 * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Remove
5184 references to PIC_OFFSET_TABLE_REGNUM_SAVED.
5185 * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
5187 2001-01-15 DJ Delorie <dj@redhat.com>
5189 * Makefile.in (gcov.1): Protect against texi2pod/pod2man failing.
5193 Tue Jan 16 17:20:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5195 * flow.c (propagate_on_insn): Make trying to delete a prologue
5196 or epilogue insn an ICE, not a warning. Allow doing this if
5197 the current function returns with stack pointer depressed.
5199 * combine.c (try_combine): If i3_subst_into_i2, properly check for
5200 I3 having more than one SET.
5202 2001-01-16 Jim Wilson <wilson@redhat.com>
5204 * invoke.texi: Document IA-64 options.
5206 * config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support.
5207 (fixup_errata): Delete TARGET_A_STEP use.
5208 * config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete.
5209 (TARGET_SWITCHES): Delete -ma-step option.
5210 * config/ia64/ia64.md (all FP patterns): Delete %B0.
5211 (movqicc_astep, movqi_internal_astep, movhicc_astep,
5212 movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1,
5213 movdi_internal_astep, movsfcc_astep, movsf_internal_astep,
5214 movdfcc_astep, movdf_internal_astep, movtfcc_astep,
5215 movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep):
5217 (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
5218 movsf_internal, movdf_internal, movtf_internal, cmovdi_internal,
5219 cmovsi_internal): Delete ! TARGET_A_STEP check.
5221 2001-01-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
5223 * gcc.texi (Bug Lists): Do not mention newsgroups nor the
5224 possibility to report bugs via postal mail. Change a URL and
5225 merge in a nearly duplicate statement...
5226 (Bug Reporting): ...from here.
5227 (Service): Refer to the Bug Reporting section instead of
5229 (Contributing): Remove trivial explanations concerning snapshots.
5231 2001-01-16 Alan Modra <alan@linuxcare.com.au>
5233 * cppmain.c (general_init): Don't use ANSI prototype.
5235 2001-01-16 Tom Tromey <tromey@redhat.com>
5237 * gcc.c (cpp_options): Added `*' to specs for -MF, -MQ, and -MT.
5239 2001-01-16 Richard Henderson <rth@redhat.com>
5241 * config/i386/i386.h: Fix comment typo.
5242 * config/i386/i386.md (shift+compare pattern names): s/cmpno/cmp/
5243 (ashr+compare patterns): Match CCGOCmode not CCNOmode.
5245 2001-01-16 Phil Edwards <pme@sources.redhat.com>
5247 * gcc.c: Revert previous -fsyntax-only-related change; move
5250 2001-01-16 Jakub Jelinek <jakub@redhat.com>
5252 * config/i386/i386.c (fcmov_comparison_operator): Only initialize
5253 inmode after checking GET_CODE (op).
5255 2001-01-16 Richard Henderson <rth@redhat.com>
5257 * flow.c (struct propagate_block_info): Add mem_set_list_len.
5258 (MAX_MEM_SET_LIST_LEN): New.
5259 (propagate_one_insn): Update mem_set_list_len.
5260 (invalidate_mems_from_autoinc): Likewise.
5261 (invalidate_mems_from_set): Likewise.
5262 (mark_used_regs): Likewise.
5263 (init_propagate_block_info): Likewise. Stop collecting memories
5264 when we reach MAX_MEM_SET_LIST_LEN.
5265 (mark_set_1): Likewise.
5267 2001-01-16 Richard Henderson <rth@redhat.com>
5269 * unroll.c (precondition_loop_p): Fail if no iteration
5272 2001-01-16 Phil Edwards <pme@sources.redhat.com>
5274 * gcc.c: When -fsyntax-only is given, do not complain about
5277 2001-01-15 Richard Henderson <rth@redhat.com>
5279 * config/i386/i386.c (asm_output_function_prefix): Remove.
5280 (ix86_asm_file_end): New.
5281 (load_pic_register): Generate pic_label_name into a
5282 staticly allocated buffer.
5283 * config/i386/i386-protos.h: Update.
5284 * config/i386/i386.h (ASM_OUTPUT_FUNCTION_PREFIX): Remove.
5285 (ASM_FILE_END): New.
5286 * config/i386/i386afe.h: New file.
5287 * config.gcc (i?86-*-elf) [tm_file]: Use it.
5288 (i?86-*-{freebsd,linux*,moss*}): Likewise.
5289 * config/elfos.h (ASM_FILE_END): Undef before redefinition.
5290 * config/i386/cygwin.h (ASM_FILE_END): Likewise.
5291 * config/i386/osfrose.h (ASM_FILE_END): Invoke ix86_asm_file_end.
5292 * config/i386/sco5.h (ASM_FILE_END): Likewise.
5293 * config/i386/winnt.c (i386_pe_asm_file_end): Likewise.
5295 2001-01-15 Joseph S. Myers <jsm28@cam.ac.uk>
5297 * Makefile.in (install-man): Remove explicit dependency on
5300 * configure.in, configure: Revert previous patch requiring perl
5303 2001-01-12 Aldy Hernandez <aldyh@redhat.com>
5305 * toplev.c (flag_guess_branch_prob): New.
5306 (f_options): Add guess-branch-probability option.
5307 (rest_of_decl_compilation): Only estimate branch probability if
5309 (main): set flag_guess_branch_prob.
5311 * flags.h (flag_guess_branch_prob): New.
5313 2001-01-15 DJ Delorie <dj@redhat.com>
5315 * gcc.texi (Makefile): Add documentation for Makefile targets.
5317 2001-01-15 Philip Blundell <philb@gnu.org>
5319 * config/arm/arm.c (arm_finalize_pic): New arg "prologue".
5321 * config/arm/arm-protos.h (arm_finalize_pic): Update prototype.
5322 (is_pic): Delete declaration.
5323 * config/arm/arm.h (FINALIZE_PIC): Update call to arm_finalize_pic.
5324 (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address.
5325 * config/arm/arm.md (builtin_setjmp_receiver): New.
5327 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
5329 * arm.c (use_return_insn): Don't try to determine the function type
5330 until after reload has completed.
5331 (arm_output_epilogue): Don't adjust the sp value recovered from the
5333 (emit_multi_reg_push): Don't record dwarf information for the pc.
5334 * arm.md (eh_epilogue): The function type may have changed, so it
5335 needs to be recalculated.
5336 * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete. Can now use dwarf2
5337 unwind tables on arm/netbsd.
5339 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
5341 * arm.md (cbranchsi4): Correct calculation of branch ranges.
5342 (negated_cbranchsi4): Likewise.
5344 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
5346 * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define.
5347 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
5348 (ASM_SPEC): Call subtarget_extra_asm_spec. Don't
5349 pass -mapcs-* options to assembler.
5350 * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define.
5351 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
5352 (ASM_SPEC): Call subtarget_extra_asm_spec.
5354 2001-01-15 Andreas Jaeger <aj@suse.de>
5356 * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove
5358 (ix86_expand_builtin): Likewise.
5360 * gencodes.c (output_predicate_decls): Make i size_t to avoid
5361 warning about comparison between signed and unsigned.
5363 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
5365 * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs.
5367 2001-01-14 Ralf Baechle <ralf@gnu.org>
5369 * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change
5370 SUBTARGET_CPP_SPEC apropriatly.
5372 2001-01-12 Mark Mitchell <mark@codesourcery.com>
5374 * varasm.c (make_decl_rtl): Fix typo in last change.
5376 2001-01-14 Jeffrey Oldham <oldham@codesourcery.com>
5378 * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the
5379 linker supports the init_priority C++ attribute.
5380 * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro.
5381 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix
5382 linker does not support init_priority C++ attribute.
5384 Sun Jan 14 22:31:30 2001 J"orn Rennecke <amylaar@redhat.com>
5386 * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs.
5388 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
5390 * c-parse.in (finish_parse): Add comment about cpp_destroy.
5391 * cp/lex.c (finish_parse): Similarly.
5392 * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity.
5393 Return the number of errors encountered.
5394 * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int.
5395 * cppmain.c (main): Don't call cpp_destroy.
5397 2001-01-14 Joseph S. Myers <jsm28@cam.ac.uk>
5399 * configure.in: Require at least perl 5.6.0 to regenerate
5401 * configure: Regenerate.
5403 2001-01-14 Richard Henderson <rth@redhat.com>
5405 * genrecog.c (DT_veclen_ge): New.
5406 (add_to_sequence) [MATCH_PARALLEL]: Generate one.
5407 (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge.
5408 (nodes_identical_1): Handle DT_veclen_ge.
5409 (write_cond, debug_decision_2): Likewise.
5411 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
5413 * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete. Replace
5415 (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New.
5417 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
5419 * cppmain.c (do_preprocessing): New function; most of the old
5421 (main): Call it to do most of the work.
5422 (cb): Move from global scope to set_callbacks ().
5423 (setup_callbacks): Get the callback pointer.
5424 (general_init, printer_init): Clean up code and comments.
5426 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
5428 * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
5431 2001-01-14 Kazu Hirata <kazu@hxi.com>
5433 * config/h8300/h8300.c (get_shift_alg): Update comments.
5435 Sun Jan 14 06:20:49 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5437 * ggc-page.c (alloc_annon): Call perror and correctly call exit.
5438 (alloc_page, ggc_alloc): Add casts to remove warnings.
5440 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
5442 * combine.c (simplify_comparison): Don't change `code' when
5443 can't reverse comparison.
5445 2001-01-14 Richard Henderson <rth@redhat.com>
5447 * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
5448 update all call sites. Return true for all non-label constants.
5450 Sun Jan 14 10:09:48 MET 2001 Jan hubicka <jh@suse.cz>
5452 * i386.c (ix86_expand_compare): Add bypass_test and second_test
5454 (ix86_expand_branch): Update.
5455 (ix86_expand_setcc): Update to handle multiple test conditions.
5456 (expand_int_movcc): Likewise.
5457 (expand_fp_movcc): Likewise.
5458 * i386-protos.h (ix86_expand_compare): New.
5459 * i386.md (andqi_?_slp, orqi_?_slp): New.
5460 (conditional trap expander): Update call to ix86_expand_compare.
5462 2001-01-14 Richard Henderson <rth@redhat.com>
5464 * config/vax/vax.md: Use nonimmediate_operand instead of
5465 general_operand in destinations.
5467 * config/vax/vax.md (indirect_jump): Use register_operand.
5469 * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
5470 * config/vax/vax.md (call_pop): Turn into an expander.
5471 (call_value_pop): Likewise.
5472 (call, call_value): New.
5474 2001-01-14 Andreas Jaeger <aj@suse.de>
5476 * config/i386/i386.c (ix86_split_fp_branch): Remove unused
5478 (ix86_fp_compare_mode): Add unused attribute.
5479 (ix86_expand_fp_movcc): Remove unused variable.
5480 (ix86_expand_builtin): Make fcode unsigned.
5482 * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
5483 (expand_expr): Add cast to avoid signed warning.
5484 (store_field): Likewise.
5485 (store_constructor_field): Likewise.
5486 (store_constructor): Likewise.
5487 (store_expr): Likewise.
5488 (clear_storage): Likewise.
5489 (emit_group_store): Likewise.
5490 (emit_group_load): Likewise.
5492 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
5494 * c-common.c: Move format checking code to ...
5495 * c-format.c: ... here. New file. Reorder some functions and
5497 (decl_handle_format_attribute, decl_handle_format_arg_attribute):
5499 * c-common.h (decl_handle_format_attribute,
5500 decl_handle_format_arg_attribute): Declare.
5501 * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
5502 (c-common.o): Adjust dependencies.
5503 (c-format.o): New list of dependencies.
5505 2001-01-13 Jakub Jelinek <jakub@redhat.com>
5507 * unroll.c (loop_iterations): If we cannot prove iteration variable
5508 is set once in each iteration, punt.
5510 Sun Jan 14 00:23:15 2001 Denis Chertykov <denisc@overta.ru>
5512 * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
5513 (*strlenhi): Remove clobber (which was buggy) of output address.
5515 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
5517 * Makefile.in (generated-manpages): Add gcc.1
5518 ($(srcdir)/gcc.1): New target.
5519 (maintainer-clean): Delete $(srcdir)/gcc.1.
5520 * gcc.texi: Add macros @gccoptlist and @gol.
5521 * invoke.texi: Include option summary in manpage. Mark up option
5522 summary with @gccoptlist and @gol. Use @r in one place where
5524 * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
5525 * gcc.1: Generate from invoke.texi.
5527 2001-01-13 Richard Henderson <rth@redhat.com>
5529 * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
5530 (struct page_entry): Add group member.
5531 (struct page_group): New.
5532 (struct globals): Add page_groups member.
5533 (alloc_anon): Only define for using mmap; remove valloc call.
5534 (page_group_index): New.
5535 (set_page_group_in_use): New.
5536 (clear_page_group_in_use): New.
5537 (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
5538 (free_page, release_pages): Likewise.
5539 * configure.in (with-gc): Default to ggc-page always.
5541 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
5543 * reload1.c (replace_pseudos_in_call_usage): Use
5544 reg_equiv_constant and reg_equiv_address, and don't try
5545 regno_reg_rtx first.
5547 2001-01-13 Richard Henderson <rth@redhat.com>
5549 * ggc-page.c (alloc_page): Round up allocation size to one page.
5550 Set e->order on extra pages.
5552 2001-01-13 Richard Henderson <rth@redhat.com>
5554 * genrecog.c (nodes_identical): Expand commentary.
5555 (write_switch): Watch out for identical nodes.
5557 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
5559 * cppfiles.c (_cpp_fake_include): New function.
5560 * cpphash.h (_cpp_fake_include): New.
5561 * cpplib.c (do_line): Call _cpp_fake_include when entering
5562 header files in preprocessed input.
5563 * cppmain.c (cb_pragma_implementation): Remove handling.
5564 (setup_callbacks): Don't register pragmas.
5566 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
5568 * extend.texi: Udate for CPP.
5570 2001-01-13 Andreas Jaeger <aj@suse.de>
5572 * reload1.c: Add prototype for replace_pseudos_in_call_usage.
5574 * regmove.c: Add prototype for replace_in_call_usage.
5576 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
5578 * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
5579 struct cpp_chunk, struct htab, struct toklist,
5580 struct cpp_context, CPP_STACK_MAX, struct lexer_state,
5581 struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
5582 CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
5583 ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
5584 (struct macro_args): Delete.
5585 * cpphash.h: See above.
5587 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
5589 * cppmain.c (struct printer): Remove no_line_dirs.
5591 (main, setup_callbacks, scan_buffer, printer_init, cb_define)
5592 : Use options rather than CPP_OPTION.
5593 (setup_callbacks): Use cb rather than pfile->cb.
5594 (main): No need to check for a buffer. Use cpp_errors.
5595 (printer_init): Don't set no_line_dirs.
5596 (maybe_print_line): Use options not no_line_dirs.
5597 (cb_file_change): Don't call print_line if -P.
5599 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
5601 * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
5603 * c-parse.in (finish_parse): Use cpp_errors.
5604 (__yylex): Use return value of cpp_pop_buffer.
5605 * cp/lex.c (finish_parse): Use cpp_errors.
5606 * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
5608 Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru>
5610 * README.AVR: URLs corrected.
5612 Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5614 * c-decl.c (start_function): Don't warn if old prototype is builtin
5615 that's not in C's namespace.
5616 * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
5617 (_bb): Add prototype for ctime.
5618 * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
5620 Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz>
5622 * i386.c (ix86_fp_comparison_arithmetics_cost,
5623 ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
5624 ix86_fp_comparison_cost): New functions.
5625 (ix86_expand_fp_compare): Use the costs to choose best bethod; add
5626 two new parameters SECOND_TEST and BYPASS_TEST; allow generating
5627 two-branch sequences; make static.
5628 (ix86_use_fcomi_compare): Do decision according to the costs.
5629 (split_fp_branch): New.
5630 * i386.md (compare-and-branch patterns): Use split_fp_branch.
5631 * i386-protos.h (ix86_expand_fp_compare): Remove
5632 (ix86_split_fp_branch): Declare.
5634 * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
5635 and ix86_comparison_operator.
5637 * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
5640 * i386.c (put_condition_code): Output properly the unordered/ordered
5641 compares in fp case.
5642 (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
5644 * tm.texi (REVERSE_CONDITION): Document.
5645 * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
5646 in -ffast-math mode.
5647 * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
5649 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
5651 * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
5653 * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
5656 * config/sh/sh.c (mova_p): Fix test for mova_const.
5658 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
5660 * fix-header.c (read_scan_file): Use cpp_get_callbacks and
5661 cpp_get_options rather than dereferencing pfile and using
5663 * scan-decls.c (scan_decls): Use return value of
5664 cpp_pop_buffer rather than CPP_BUFFER.
5666 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
5668 * cppinit.c (cpp_handle_option): help_only is now part of the
5669 cpp_options structure.
5670 * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
5671 cpp_set_callbacks): New functions.
5672 * cpplib.h (cpp_callbacks): Break out as a named structure.
5673 (cpp_options): Move help_only here from cpp_reader.
5674 (CPP_FATAL_ERRORS): Update to use cpp_errors.
5675 (cpp_errors, cpp_get_options, cpp_get_callbacks,
5676 cpp_set_callbacks): New prototypes.
5677 * cppmain.c (main): Update for help_only.
5679 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
5681 * Makefile.in (info, maintainer-clean, install-info, uninstall):
5682 Also build and remove and install and uninstall c-tree.info and
5684 ($(srcdir)/gcc.info): Add dependency on contrib.texi.
5685 ($(srcdir)/cppinternals.info): New target.
5686 * c-tree.texi: Change file name used when makeinfo used without -o
5687 from ir.info to c-tree.info. Add info directory entry.
5688 * cppinternals.texi: Add info directory entry.
5689 * .cvsignore: Update.
5691 2001-01-12 Jakub Jelinek <jakub@redhat.com>
5693 * c-typeck.c (store_init_value): Don't require constant initializer
5694 elements with -pedantic -std=c99.
5695 (digest_init): Change error about non-constant initializer elements
5697 (constructor_range_end): Remove.
5698 (constructor_incremental, designator_depth,
5699 designator_errorneous): New variables.
5700 (struct constructor_stack): Remove range_end, add incremental.
5701 (struct constructor_range_stack, constructor_range_stack): New.
5702 (struct initializer_stack): Add constructor_range_stack.
5703 (finish_init): Set it.
5704 (start_init): Likewise. require_constant_elements for non-static
5705 trees only if not flag_isoc99.
5706 (really_start_incremental_init): Remove constructor_range_end, add
5707 constructor_incremental.
5708 (pop_init_level): Likewise.
5709 (push_init_level): Likewise. If implicit and the subobject had some
5710 value set already, preinitialize the level with it.
5711 Warn about missing braces only if not pushing due to designators.
5712 (set_designator, push_range_stack): New functions.
5713 (set_init_label): Use them.
5714 (set_init_index): Likewise. Remove constructor_range_end.
5715 Error if designator index is outside of array bounds.
5716 (add_pending_init): Compare values of purpose index trees, not the
5717 trees themselves. Allow overwriting of already initialized element.
5718 Issue a warning if it had side-effects.
5719 (set_nonincremental_init, set_nonincremental_init_from_string): New
5721 (pending_init_member): Rename to...
5722 (find_init_member): ...this function. Call set_nonincremental_init
5723 if necessary. Compare values of purpose index trees, not the trees
5724 themselves. Return the actual value, not just non-zero if something
5726 (output_init_element): Remove checks for duplicates.
5727 If field has zero size, only check the initializer for correctness.
5728 Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL
5729 if constructor_incremental is zero. Change error about initializers
5730 not computable at load time into pedwarn.
5731 (output_pending_init_elements): Compare bit positions, not
5732 FIELD_DECLs to take into account zero-sized fields.
5733 (process_init_element): Use constructor_range_stack to fill all
5734 ranges in the designator lists from current level up.
5735 * extend.texi: Update documentation for labeled elements.
5737 2001-01-12 Alexandre Oliva <aoliva@redhat.com>
5739 * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
5740 to function usage for arguments passed by reference. Optimize
5741 callee-copied arguments.
5742 * regmove.c (replace_in_call_usage): New function.
5743 (fixup_match_1): Call it.
5744 * cse.c (cse_insn): Canonicalize registers in function usage.
5745 * reload1.c (replace_pseudos_in_call_usage): New function.
5748 * Makefile.in: Reverted yesterday's wrong patch. Installed the
5751 2001-01-12 Jakub Jelinek <jakub@redhat.com>
5753 * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
5756 2001-01-12 DJ Delorie <dj@redhat.com>
5758 * Makefile.in (bootstrap): rename stages to be mnemonic. Add
5759 restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
5762 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
5764 * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
5765 tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to
5766 -std options alongside references to -ansi. Update some
5767 documentation for C99.
5768 * cpp.1: Regenerate.
5770 2001-01-12 Andreas Jaeger <aj@suse.de>
5772 * haifa-sched.c (restore_line_notes): Remove argument block B
5774 * sched-ebb.c (schedule_ebb): Change caller.
5775 * sched-rgn.c (schedule_region): Likewise.
5776 * sched-int.h (restore_line_notes): Adjust prototype.
5778 * loop.h: Remove wrong declaration of doloop_condition_get.
5780 2001-01-12 Phil Edwards <pme@sources.redhat.com>
5782 * extend.texi: Move C++-extension-related node from the C section
5783 into the C++ section.
5785 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
5787 * extend.texi: Refer to an array of pointers to functions instead
5788 of one of functions.
5790 Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de>
5791 Jan Hubicka <jh@suse.cz>
5793 * combine.c (reversed_comparison): Fix typo in last patch.
5795 (combine_reversed_comparison_code): Make static to follow
5796 prototype declaration.
5798 2001-01-12 Phil Edwards <pme@sources.redhat.com>
5800 * install.texi: Remove misplaced duplicate entry.
5802 2001-01-11 Ulrich Drepper <drepper@redhat.com>
5804 * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
5806 Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
5808 * final.c: (leaf_function_p): Fix typo.
5810 2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
5812 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
5813 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
5815 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
5816 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
5817 mmap_anon, and valloc is available.
5818 * ggc-page.c: Restructure ifdef logic to match new autoconf
5819 spec. Don't throw away the test page in init_ggc.
5821 * configure, config.in: Regenerate.
5823 2001-01-12 Michael Hayes <mhayes@redhat.com>
5825 * loop.h (total_biv_increment): Constify iv_class pointer.
5826 (struct induction): Replace `mem_mode' with `mem' rtx.
5827 * unroll.c (total_biv_increment): Constify iv_class pointer.
5828 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
5829 (find_mem_givs, combine_givs_p): Likewise.
5830 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
5832 2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
5834 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
5836 (__gthread_getspecific): Ditto.
5838 Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
5840 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
5841 put_condition_code): Convert fp comparison codes to integer
5843 (ix86_expand_fp_compare): Postnote the fp comparison code converison
5846 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
5847 * i386-protos.h (no_comparison_operator): Kill.
5849 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
5851 * combine.c (REVERSIBLE_CC_MODE): Remove.
5852 (reversible_comparison_p): Remove.
5853 (combine_reversed_comparison_code): New.
5854 (reversed_comparison): New.
5855 (combine_simplify_rtx): Use
5856 combine_reversed_comparison_code/reversed_comparison instead
5857 of reversible_comparison_p.
5858 (simplify_if_then_else): Likewise.
5859 (simplify_set): Likewise.
5860 (simplify_logical): Likewise.
5861 (if_then_else_cond): Likewise.
5862 (known_cond): Likewise.
5863 (simplify_comparison): Likewise.
5865 2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
5867 * builtins.c (std_expand_builtin_va_start): Handle varargs when
5868 sizeof (int) is larger than sizeof(__word__).
5870 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
5872 * cppinit.c (do_includes): Fix typo.
5874 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
5876 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
5877 in S_REGS does not occur because not all sources are possible
5878 when a S_REGS is a destination (sometimes needs a clobber).
5879 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
5880 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
5881 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
5882 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
5883 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
5884 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
5885 (lshrdi_const1, lshrsi3_const16): Likewise.
5886 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
5887 (*movhi_68hc12, *movqi_68hc12): Likewise.
5888 (movstrictqi): Make sure reloading in D_REGS as a destination
5891 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
5893 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
5895 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
5897 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
5898 -D, -U and -A, and don't initialize the builtins.
5899 (do_includes): Error if -include or -imacros with -fpreprocessed.
5900 * cppmain.c (cb_define, cb_undef): Unconditionally process
5902 * tradcpp.c (main): Fix typo.
5904 2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
5906 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
5907 (read_name_map): Use IS_ABSOLUTE_PATH.
5908 * tradcpp.c (get_filename): Likewise.
5910 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
5912 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
5913 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
5914 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
5915 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
5916 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
5917 (cmphi_z_used): Don't use '@' for the output.
5918 (tstqi_z_used): Likewise.
5919 (cmpqi_z_used): Likewise.
5920 (one_cmplsi2): Likewise.
5922 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
5924 * config/sh/sh.c (barrier_align): Recognize branch around far
5925 branch and redundant insn.
5927 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
5929 * invoke.texi: Restore documentation of the drivers' switches -MD
5932 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
5934 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
5936 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
5937 check-objc//%): Support parallel testing of multilibs.
5938 (TESTSUITEDIR): Set to testsuite by default, but override for
5940 (check-gcc, check-g++, check-g77, check-objc): Enter
5943 2001-01-11 Bernd Schmidt <bernds@redhat.com>
5945 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
5946 * sched-deps.c (deps_may_trap_p): Likewise.
5947 * basic-block.h: Remove a comment.
5948 * flow.c (PROP_POSTRELOAD): Remove.
5949 (update_life_info): Don't add it to prop_flags.
5950 (mark_set_1): Lose the code that was enabled by it.
5952 2001-01-11 Michael Hayes <mhayes@redhat.com>
5954 * flow.c (flow_call_edges_add): New.
5955 * basic_block.h (flow_call_edges_add): New.
5957 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
5959 * reload1.c (move2add_note_store): Update reg_set_luid even if
5960 base reg remains the same.
5962 2001-01-10 Nick Clifton <nickc@redhat.com>
5964 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
5965 machine_function structure to zero.
5966 Add prototypes for machine_status functions.
5968 2001-01-10 Mark Mitchell <mark@codesourcery.com>
5970 * c-common.h (CTI_VOID_LIST): Remove.
5971 (void_list_node): Likewise.
5972 * tree.h (TI_VOID_LIST_NODE): New enumeral.
5973 (void_list_node): New macro.
5974 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
5975 * config/i386/i386.c (ix86_init_builtins): Likewise.
5976 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
5978 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
5980 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
5981 * cppinit.c (cpp_start_read): Update comment, remove unneeded
5983 * tradcpp.c: Include mkdeps.h.
5984 (deps, print_deps_phony_targets, deps_append, output_deps,
5985 init_dependency_output, output_deps): New.
5986 (deps_buffer, deps_allocated_size, deps_size, deps_column,
5987 deps_output): Delete.
5988 (print_deps_missing_files): Rename deps_missing_files.
5989 (inhibit_output): Make global.
5990 (main): Delete inhibit_output, deps_stream, deps_target.
5991 Use mkdeps functionality in the same way as cpplib. Remove
5992 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
5993 -M and -MM. Remove old handling of deps via deps_out, and
5994 old reading of environment variables.
5995 (get_filename): Update to use deps_add_dep.
5997 2001-01-10 Mark Mitchell <mark@codesourcery.com>
5999 * output.h (make_function_rtl): Remove prototype.
6000 (make_decl_rtl): Likewise.
6001 * varasm.c (make_function_rtl): Remove.
6002 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
6003 than from a third parameter.
6004 * tree.h (make_decl_rtl): Remove last parameter.
6005 * c-decl.c (builtin_function): Remove last argument in call to
6006 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
6007 (start_function): Likewise.
6008 * except.c (call_get_eh_context): Likewise.
6009 * expr.c (emit_block_move): Likewise.
6010 (clear_storage): Likewise.
6011 * profile.c (output_func_start_profiler): Likewise.
6012 * toplev.c (rest_of_decl_compilation): Likewise.
6013 * objc/objc-act.c (create_builtin_decl): Likewise.
6014 (synth_module_prologue): Likewise.
6015 (generate_static_reference): Likewise.
6016 (build_selector_reference_decl): Likewise.
6017 (build_class_reference_decl): Likewise.
6018 (build_objc_string_decl): Likewise.
6019 (build_protocol_reference): Likewise.
6021 2001-01-10 Richard Henderson <rth@redhat.com>
6023 * hwint.h: Revert yesterday's change.
6025 2001-01-10 Nick Clifton <nickc@redhat.com>
6027 * function.h (save_machine_status): Delete.
6028 (restore_machine_status): Delete.
6029 Amend comment describing {init|mark|free}_machine_status.
6031 * function.c (save_machine_status): Delete.
6032 (restore_machine_status): Delete.
6033 Amend comment describing {init|mark|free}_machine_status.
6034 (push_function_context_to): Remove invocation of
6035 save_machine_status.
6036 (pop_function_context_from): Remove invocation of
6037 restore_machine_status.
6039 * emit-rtl.c (init_emit_once): Amend comment describing
6040 {init|mark|free}_machine_status.
6042 * tm.texi (Per-Function Data): New node. Describe the
6043 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
6046 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
6048 * cppinit.c (OPT_g): Remove.
6049 (cpp_handle_option): Update for removed -g3.
6050 (print_help): Update.
6051 * cpplib.h (struct cpp_options): Remove debug_output.
6052 * cppmain.c (setup_callbacks, cb_define): Update.
6053 * gcc.c (cpp_options): Translate -g3 to -dD.
6055 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
6057 * config/i960/i960.md: Change modifier to + on the zero_extract
6058 pattern after the (rotate -2 reg) canonicalization pattern.
6060 2001-01-10 Richard Henderson <rth@redhat.com>
6062 * config/alpha/alpha.c (alpha_free_machine_status): New.
6063 (override_options): Install it.
6064 (alpha_mark_machine_status): Verify machine non-null.
6065 * config/i386/i386.c (ix86_free_machine_status): New.
6066 (override_options): Install it.
6067 (ix86_init_machine_status): Use xcalloc.
6068 (ix86_mark_machine_status): Verify machine non-null.
6069 * config/ia64/ia64.c (ia64_free_machine_status): New.
6070 (ia64_override_options): Install it.
6071 (ia64_mark_machine_status): Verify machine non-null.
6073 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
6075 * function.c (instantiate_virtual_regs): Instantiate virtual
6076 registers found in CALL_INSN_FUNCTION_USAGE.
6078 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
6080 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
6081 equivalent to -ansi in disabling -Di386.
6083 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
6085 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
6087 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
6089 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
6091 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
6093 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
6095 * invoke.texi: Document that -fcond-mismatch isn't supported for
6098 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
6100 * gcc.texi: Define macro gcctabopt.
6101 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
6102 @command, @env and @option in some places where appropriate. Use
6103 @gcctabopt where appropriate. Put URLs and email addresses inside
6106 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
6108 * gcc.c (cpp_options): Set MD file name from output
6109 filename, if specified.
6110 (suffix_subst): New static variable.
6111 (do_spec): Clear it.
6112 (do_spec_1, case '.'): Handle new `%.suffix' spec.
6114 (give_switch): Handle suffix_subst.
6116 2001-01-10 Phil Edwards <pme@sources.redhat.com>
6118 * invoke.texi: Fix another typo.
6120 2001-01-10 Phil Edwards <pme@sources.redhat.com>
6122 * invoke.texi: Fix typo.
6124 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
6126 * c-lang.c (lang_hooks): Update.
6127 (lang_decode_option): Remove.
6128 (lang_init_options): Rename c_init_options.
6129 * toplev.c (main): Use lang_hooks for lang_init_options
6130 and lang_decode_option.
6131 * toplev.h (lang_hooks): Add 2 new hooks.
6132 * tree.h: Remove lang_init_options and lang_decode_option.
6133 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
6134 * cp/decl2.c: Similarly.
6135 * cp/lex.c (lang_init_options): Rename cxx_init_options.
6136 (lang_hooks): Update.
6137 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
6139 (lang_init_options): Rename ffe_init_options.
6140 (lang_hooks): Update.
6141 (lang_decode_option): Remove.
6142 * java/lang.c (lang_init_options): Rename java_init_options.
6143 (lang_decode_option): Rename java_decode_option.
6144 (lang_hooks): Update.
6145 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
6146 (lang_decode_option): Rename objc_decode_option.
6147 (lang_hooks): Update.
6149 2001-01-09 Nick Clifton <nickc@redhat.com>
6151 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
6152 (d30v_return_addr_rtx): Delete.
6153 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
6154 cfun->machine structure.
6155 (struct machine_function): Move to d30v.h
6156 (d30v_save_machine_status): Delete.
6157 (d30v_restore_machine_status): Delete.
6158 (d30v_init_machine_status): New Function.
6159 (d30v_mark_machine_status): New Function.
6160 (d30v_free_machine_status): New Function.
6161 (d30v_init_expanders): Use new functions.
6162 (d30v_return_addr): Use ra_rtx field in cfun->machine.
6163 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
6164 d30v_return_addr_rtx.
6166 * config/d30v/d30v.h (struct_machine): Move here.
6167 Add eh_epilogue_sp_ofs field.
6169 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
6170 field in cfun->machine structure.
6172 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
6174 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
6175 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
6176 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
6178 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
6180 * objc/lang-options.h: Remove bogus reference to
6183 2001-01-09 Kazu Hirata <kazu@hxi.com>
6185 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
6188 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
6190 * reload.c (find_reloads_address): Check for eliminable registers
6191 when substituting a constant expression for a pseudo.
6193 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
6195 * c-common.c (enum format_type): Add format_type_error.
6196 (decode_format_type): New function.
6197 (decl_attributes): Use it.
6198 (format_kind_info): Adjust comment.
6200 2001-01-09 David O'Brien <obrien@BSDi.com>
6202 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
6203 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
6205 * config/i386/gnu.h: Don't include required platform specific .h files,
6206 tm.h will do it instead.
6207 * config/i386/i386elf.h: Likewise.
6208 * config/i386/linux.h: Likewise.
6209 * config/i386/moss.h: Likewise.
6210 * config/mips/gnu.h: Likewise.
6212 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6214 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
6215 (rs6000-ibm-aix3.[01]*): Likewise.
6216 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
6217 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
6218 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
6219 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
6220 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
6221 (powerpc-*-eabiaix*): Likewise.
6222 (powerpc-*-eabisim*): Likewise.
6223 (powerpc-*-elf*): Likewise.
6224 (powerpc-*-eabi*): Likewise.
6225 (powerpc-*-rtems*): Likewise.
6226 (powerpc-*-linux*libc1): Likewise.
6227 (powerpc-*-linux*): Likewise.
6228 (powerpc-wrs-vxworks*): Likewise.
6229 (powerpcle-wrs-vxworks*): Likewise.
6230 (powerpcle-*-sysv*): Likewise.
6231 (powerpcle-*-elf*): Likewise.
6232 (powerpcle-*-eabisim*): Likewise.
6233 (powerpcle-*-eabi*): Likewise.
6234 (powerpcle-*-solaris2*): Likewise.
6235 * config/rs6000/aix31.h: Delete includes.
6236 * config/rs6000/aix3newas.h: Likewise.
6237 * config/rs6000/aix41.h: Likewise.
6238 * config/rs6000/aix43.h: Likewise.
6239 * config/rs6000/beos.h: Likewise.
6240 * config/rs6000/rtems.h: Likewise.
6241 * config/rs6000/sysv4.h: Likewise.
6243 2001-01-09 Kazu Hirata <kazu@hxi.com>
6245 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
6246 Change an argument mode of machine_mode to shift_mode of
6247 shift_mode. Remove an extra error check.
6248 (emit_a_shift): Adopt to the new calling prototype of
6250 (function_prologue): Fix code for a monitor
6251 function. Support H8/S.
6252 (function_epilogue): Do not output pop for a monitor function.
6254 2001-01-09 Nick Clifton <nickc@redhat.com>
6256 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
6257 (setup_incoming_varargs): Use sysv_varargs_p field of the
6258 cfun->machine structure.
6259 (struct machine_function): Move to rs6000.h
6260 (rs6000_save_machine_status): Delete.
6261 (rs6000_restore_machine_status): Delete.
6262 (rs6000_init_machine_status): New Function.
6263 (rs6000_free_machine_status): New Function.
6264 (rs6000_init_expanders): Use new functions.
6266 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
6268 (struct machine_function): Move here.
6270 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
6271 sysv_varargs_p field of the cfun->machine structure.
6273 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
6275 (rs6000_restore_machine_status): Remove prototype.
6277 2001-01-09 Richard Henderson <rth@redhat.com>
6279 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
6280 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
6281 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
6282 (sched_analyze_2, sched_analyze_insn): Likewise.
6283 (sched_analyze, init_deps): Likewise.
6284 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
6285 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
6286 (compute_block_backward_dependences): Update propagate_deps call.
6288 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
6290 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
6292 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
6294 * cppinit.c (OPT_MD, OPT_MMD): Restore.
6295 (cpp_handle_option): Handle them.
6296 (cpp_post_options): Ensure one of -M or -MM is specified with
6297 any other -M? option.
6298 (init_dependency_output): Suppress output with -MG.
6300 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
6303 * invoke.texi: Update.
6305 2001-01-09 Bernd Schmidt <bernds@redhat.com>
6307 * sh.md (reload_outsf): Generate recognizable patterns for
6310 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
6312 * c-lang.c (lang_hooks): Update.
6313 (lang_init): Rename c_init.
6314 (lang_finish): Remove.
6315 * toplev.c (compile_file): Use lang_hooks for lang_init ()
6317 * toplev.h (lang_hooks): Add init () and finish ().
6318 * tree.h (lang_init, lang_finish): Remove.
6319 * cp/tree.h (lang_init, lang_finish): Remove.
6320 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
6321 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
6323 (lang_init, lang_finish): Remove.
6324 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
6325 (lang_hooks): Update.
6326 * java/lang.c (lang_init): Rename java_init.
6327 (lang_finish): Remove.
6328 (lang_hooks): Update.
6329 * objc/objc-act.c (lang_init): Rename objc_init.
6330 (lang_finish): Remove.
6331 (lang_hoooks): Update.
6333 20001-01-09 Graham Stott <grahams@redhat.com>
6335 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
6336 after `ptr` is initialised.
6338 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
6340 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
6341 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
6342 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
6343 stack adjusts, instead of r3.
6345 2001-01-09 Michael Hayes <mhayes@redhat.com>
6347 * flow.c (flow_loop_scan): Break out of ...
6348 (flow_loops_find) ... here.
6349 * basic-block.h (flow_loop_scan): New.
6350 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
6351 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
6353 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
6355 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
6357 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
6358 realloc()ing macro_buffer.
6360 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
6361 if it's wider than long and the target's long is wider than the
6364 2001-01-09 Mark Mitchell <mark@codesourcery.com>
6366 Remove support for using UWIN as a host machine.
6367 * configure.in: Issue an error message.
6368 * configure: Regenerated.
6369 * config.gcc: Remove xm_* UWIN configury.
6370 * config/i386/xm-uwin.h: Remove.
6372 2001-01-08 Nick Clifton <nickc@redhat.com>
6374 * config/v850/v850.c (ra_rtx): Delete.
6375 (v850_save_machine_status): Delete.
6376 (v850_restore_machine_status): Delete.
6377 (v850_init_machine_status): New function.
6378 (v850_mark_machine_status): New function.
6379 (v850_free_machine_status): New function.
6380 (v850_return_addr): Use ra_rtx field in machine structure.
6381 (v850_init_expanders): Use new functions.
6383 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
6384 * config/v850/v850.c: Change arguments to v850_output+* functions
6385 to take a const char *, to avoid compile time warning.
6386 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
6387 (USER_LABEL_PREFIX): Redefine.
6389 2000-01-08 Jim Wilson <wilson@redhat.com>
6391 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
6392 1 to unsigned HOST_WIDE_INT before left shift.
6394 2001-01-08 Nick Clifton <nickc@redhat.com>
6396 * config/arm/arm.c (arm_mark_machine_status): Check to see if
6397 the machine structure has been allocated.
6398 (arm_free_machine_status): New function: Free the machine
6399 specific function structure.
6401 2001-01-08 Richard Henderson <rth@redhat.com>
6403 * jump.c (simplejump_p): Revert last change.
6405 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
6407 * cppinit.c (init): Rename init_library.
6408 (cpp_create_reader): Update.
6409 * gcc.c (cpp_options): If -o given, use it as the target of
6412 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
6414 * arm.c (arm_arch5e): New variable.
6415 (all_cores): XScale is a 5TE device.
6416 (arm_override_options): Set arm_arch5e.
6417 (arm_init_builtins): __builtin_prefetch is in arch5e.
6418 * arm.h (arm_arch5e): Declare it.
6420 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
6422 * arm.md (define_constants): Add defines for UNSPEC and
6423 UNSPEC_VOLATILE insns. Update all users.
6424 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
6425 * arm.c (multi_register_push, note_invalid_constants)
6426 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
6427 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
6428 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
6430 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
6432 * jump.c (jump_optimize_1): Use reversed_comparison_code
6433 instead of can_reverse_comparison_p.
6434 (jump_back_p): Likewise.
6435 (invert_exp_1): Likewise.
6436 (thread_jumps): Likewise.
6437 * simplify-rtx.c (simplify_unary_operation): Likewise.
6438 (simplify_ternary_operation): Likewise.
6439 * cse.c (find_comparison_args): Convert to use
6440 can_reverse_comparison_p.
6441 (record_jump_equiv): Likewise.
6443 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
6445 * arm.h (HARD_REGNO_RENAME_OK): Delete.
6446 (EPILOGUE_USES): Define.
6447 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
6448 automatically stack the LR if it isn't live.
6450 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
6452 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
6455 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
6457 * ggc-page.c (max_alignment): New structure.
6458 (MAX_ALIGNMENT): New macro.
6459 (init_ggc): Use it to round up the sizes in the
6460 extra_order_size_table.
6462 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6464 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
6467 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6469 * builtins.def (BUILT_IN_FPRINTF): New entry.
6471 * c-common.c (c_expand_builtin_fprintf): New function.
6472 (init_function_format_info): Handle __builtin_fprintf.
6473 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
6474 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
6476 * c-decl.c (duplicate_decls): Adjust comment.
6478 * extend.texi (fprintf): Document new builtin.
6480 2001-01-07 Richard Henderson <rth@redhat.com>
6482 * jump.c (simplejump_p): Recognize any single_set jump
6485 2001-01-07 Richard Henderson <rth@redhat.com>
6487 * configure.in (slibdir): Accept an --with-slibdir option.
6488 Use "test" not "[" in configure. Default to $(libdir).
6490 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
6492 * config/t-aix43 (SHLIB_INSTALL): Likewise.
6493 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
6494 (SHLIB_LINK): Create links for the soname.
6495 * config/mips/t-iris6: Likewise.
6496 * config/sparc/t-slibgcc: Likewise.
6497 * config/sparc/t-slibgcc-sld: Likewise.
6499 2001-01-07 Jakub Jelinek <jakub@redhat.com>
6501 * config/i386/i386.c (constant_call_address_operand): Accept
6502 (const (plus (symbol_ref) (const_int))).
6503 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
6504 constant_call_address_operand.
6506 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6508 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
6509 and LONG_LONG_TYPE_SIZE > 32.
6511 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
6513 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
6514 the previous change.
6516 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
6518 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
6520 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
6521 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
6522 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
6525 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
6527 * fix-header.c (read_scan_file): s/pfile/scan_in/.
6529 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
6531 * c-lang.c (c_post_options): Call cpp_post_options.
6532 * objc/objc-act.c (objc_post_options): Similarly.
6533 * cppmain.c (main): Similarly.
6534 * fix-header.c (read_scan_file): Similarly.
6535 * cppinit.c (cpp_start_read): Move option consistency checks
6536 to cpp_post_options. Don't call init_dependency_output.
6537 If needed, add default target and main file dependency.
6538 (OPT_MD, OPT_MMD): Remove.
6540 (cpp_handle_option): Update for OPT_* changes.
6541 (cpp_post_options): New.
6542 (init_dependency_output): Command line -MF overrides environment
6543 variables. Don't set default target etc. Suppress output
6544 if dependencies are going to stdout.
6545 (print_help): Update.
6546 * cpplib.h (cpp_post_options): New.
6547 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
6549 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
6551 * jump.c (comparison_dominates_p): Support unordered compares.
6553 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
6555 * simplify-rtx.c (simplify_relational_operation): Always simplify
6556 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
6559 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
6561 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
6562 (nonzero_bits): Likewise.
6563 (simplify_comparison): Likewise.
6564 (num_sign_bit_copies): Likewise; return more sane value depending
6565 on STORE_FLAG_VALUE.
6566 (known_cond): Do not assume EQ to be always true for equivalent
6569 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
6571 * cse.c (fold_rtx): Handle unordered comparisons.
6573 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
6575 * rtlanal.c (set_of_1): New static function.
6576 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
6577 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
6578 reg_set_last_last_regno): Remove.
6579 (set_of): New global function.
6580 (set_of_data): New structure.
6581 (reg_set_p, reg_set_last): Revamp for set_of.
6582 * rtl.h (set_of): New.
6584 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
6586 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
6587 * extend.texi: Document _Exit builtin.
6589 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
6591 * (initialize, initialize_builtins,
6592 initialize_dependency_output, initialize_standard_includes):
6593 Rename s/initialize/init. Update.
6594 (init_dependency_output): Move to after
6595 cpp_handle_options, the correct location temporally at least.
6596 (opt_comp): Move next to init (), its caller. Fix prototype.
6597 (init): Make "initialized" local scope.
6598 (cpp_create_reader): Always call init ().
6599 (cpp_start_read): Update.
6600 (output_deps): New function, broken out of cpp_finish.
6601 (cpp_finish): Break out output_deps.
6603 2001-01-07 Richard Henderson <rth@redhat.com>
6605 * collect2.c (COFF specific stuff): Revert 12-06 patch
6606 to prototype system functions.
6608 2001-01-07 Michael Hayes <mhayes@redhat.com>
6610 * hard-reg-set.h: Add multiple include guard.
6611 * basic-block.h (struct loop): Add `sink' field.
6612 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
6613 (emit_iv_add_mult): Delete.
6614 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
6615 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
6616 (unroll_loop): Remove end_insert_before argument.
6617 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
6618 (maybe_eliminate_biv_1): Likewise.
6619 (emit_iv_add_mult): Delete.
6620 (gen_add_mult, loop_regs_update): New.
6621 (loop_insn_emit_after, loop_insn_emit_before): New.
6622 (loop_insn_sink, loop_insn_sink_or_swim): New.
6623 (emit_iv_add_mult): Delete.
6624 (scan_loop): Set loop->sink.
6625 (loop_givs_reduce): Use loop_insn_sink and its ilk.
6626 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
6627 (maybe_eliminate_biv_1): Likewise.
6628 (maybe_eliminate_biv_1): Add basic block argument.
6629 * unroll.c (unroll_loop): Remove end_insert_before argument.
6630 (find_splittable_regs): Likewise.
6631 (find_splittable_regs): Use loop_insn_sink and its ilk.
6632 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
6634 2001-01-07 Michael Hayes <mhayes@redhat.com>
6636 * loop.h (loop_insn_hoist): New prototype.
6637 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
6638 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
6639 (check_dbra_loop, load_mems): Likewise.
6640 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
6641 (find_splittable_givs): Likewise.
6643 2001-01-07 Michael Hayes <mhayes@redhat.com>
6645 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
6647 2001-01-07 Richard Henderson <rth@redhat.com>
6649 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
6651 2001-01-07 Richard Henderson <rth@redhat.com>
6653 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
6654 NO_SHARED_LIBGCC_MULTILIB as required for the target.
6655 * gcc.c (init_spec): Massage the existing libgcc_spec into a
6656 variant that handles a shared libgcc.
6657 (process_command): Always validate -{static,shared}-libgcc.
6658 (do_spec_1): New 'M' case.
6659 * invoke.text (Link Options): Document -{static,shared}-libgcc.
6661 2001-01-07 Richard Henderson <rth@redhat.com>
6663 * Makefile.in (slibdir): New variable.
6664 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
6665 (installdirs): Create slibdir.
6666 (install-libgcc, install-multilib): Defer to libgcc.mk.
6667 * configure.in (slibdir): Substitute.
6668 * mklibgcc.in (install): New target.
6670 * config/t-linux (SHLIB_LINK): Create links for the soname.
6671 (SHLIB_INSTALL): New.
6672 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
6673 * config/mips/t-iris6 (SHLIB_INSTALL): New.
6674 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
6675 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
6676 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
6678 2001-01-07 Richard Henderson <rth@redhat.com>
6680 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
6681 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
6682 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
6684 2001-01-07 Michael Hayes <mhayes@redhat.com>
6686 * loop.c (count_loop_regs_set): Delete.
6687 (load_mems_and_recount_loop_regs_set): Delete.
6688 (loop_regs_scan): Merge common code from count_loop_regs_set,
6689 scan_loop, and load_mems_and_recount_loop_regs_set.
6690 (scan_loop): Call load_mems directly and loop_regs_scan
6691 again if new registers created.
6693 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
6695 * toplev.c (main): Call the front-end specific post_options
6696 hook if one is given.
6697 * toplev.h (struct_lang_hooks, lang_hooks): New.
6698 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
6699 for the C front end.
6700 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
6701 lang_hooks for the C++ front end.
6702 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
6703 lang_hooks for the ObjC front end.
6704 * f/com.c (lang_hooks): Hooks for the Fortran front end.
6705 * java/lang.c (lang_hooks): Hooks for the Java front end.
6707 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
6709 * c-lex.c (init_c_lex): Request #define / #undef callbacks
6710 for verbose DWARF[2] debugging.
6711 (cb_define, cb_undef): The new callbacks.
6712 * toplev.h (debug_define, debug_undef): Make const correct.
6713 * toplev.c (debug_define, debug_undef): Similarly. Do not
6714 perform the verbosity tests here anymore.
6716 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
6718 * reload.c (subst_reloads): Take INSN argument. When
6719 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
6720 * reload.h (subst_reloads): Adjust prototype.
6721 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
6722 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
6723 present in JUMP_INSNs and copy them to JUMP_LABEL.
6724 * flow.c (find_label_refs, find_basic_blocks_1): Skip
6725 JUMP_INSNs and insns with REG_LABELs that are followed by
6726 JUMP_INSNs with the same REG_LABEL.
6727 * sched-rgn.c (is_cfg_nonregular): Likewise.
6728 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
6730 * unroll.c (unroll_loop): Look for REG_LABEL notes in
6732 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
6734 2001-01-06 Richard Henderson <rth@redhat.com>
6736 * loop.c (scan_loop): Use xcalloc for the regs array.
6737 (load_mems_and_recount_loop_regs_set): Zero the new memory
6738 received from xrealloc.
6740 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
6742 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
6744 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
6746 * integrate.c (copy_rtx_and_substitute): When copying
6747 an ignored return value, strip REG_FUNCTION_VALUE_P.
6749 2001-01-06 Michael Hayes <mhayes@redhat.com>
6751 * loop.c (debug_biv, debug_giv): New.
6752 (loop_biv_dump): Break out from ...
6753 (record_biv): ... here.
6754 (loop_giv_dump): Break out from ...
6755 (record_giv): ... here.
6756 (loop_bivs_check): Use print_simple_rtl.
6757 * unroll.c (loop_iterations): Use print_simple_rtl.
6759 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
6761 * pa.md (return, return_internal): Modify patterns to prevent regrename
6762 mucking with the return pointer.
6764 2001-01-05 Richard Henderson <rth@redhat.com>
6766 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
6768 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
6770 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
6771 version supplied by Matteo Frigo.
6773 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
6775 * cpp.texi: Update for -MQ.
6776 * cppinit.c (cpp_create_reader): Always create pfile->deps.
6777 (cpp_cleanup): Always free pfile->deps.
6778 (initialize_dependency_output): Don't create pfile->deps.
6779 (cpp_handle_option): Similarly.
6781 * gcc.c (cpp_options): Handle -MQ.
6782 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
6783 * mkdeps.c (base_name): Remove.
6784 (deps_init): Don't allocate vector space until it's needed.
6785 (deps_free): Only free vectors if allocated.
6786 (deps_add_target, deps_add_dep): Update for initial allocation.
6787 (deps_add_default_target): Don't strip to the base_name.
6789 2001-01-05 DJ Delorie <dj@redhat.com>
6791 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
6792 (INIT_EXPANDERS): Define.
6794 * config/v850/v850.c (struct machine_function): Define.
6795 (v850_save_machine_status): New function.
6796 (v850_restore_machine_status): New function.
6797 (v850_return_addr): New function.
6798 (v850_init_expanders): New function.
6800 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
6801 and v850_init_expanders.
6803 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
6805 * cpplib.h (struct cpp_reader): Add help_only field.
6806 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
6807 (cpp_handle_option): Set pfile->help_only if we see -h,
6808 --help, -target-help, or --version. Print version string but
6809 do not set help_only if we see -v or -version. Make text
6810 printed by -v match that printed by (-)-version.
6812 * cppmain.c (main): Exit after option parsing if
6813 pfile->help_only is true.
6815 * toplev.c (independent_decode_option): Call print_version,
6816 then exit, if we see --version (but not -version).
6817 (print_version): Split lengthy message into two lines.
6819 2001-01-05 Nick Clifton <nickc@redhat.com>
6821 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
6822 temporary string for initialisation before calling ggc_alloc_string.
6824 2001-01-06 Michael Hayes <mhayes@redhat.com>
6826 * rtl.h (print_simple_rtl): New.
6827 * print-rtl.c (print_simple_rtl): New.
6829 (print_rtx): Disable printing of flags and modes, etc.,
6830 if `flag_simple` nonzero.
6832 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
6834 * function.c (fixup_var_refs): Use push_to_full_sequence where
6837 2001-01-05 Michael Meissner <meissner@redhat.com>
6839 * flags.h (flag_reorder_blocks): Add declaration.
6840 (flag_rename_block): Ditto.
6842 2001-01-05 DJ Delorie <dj@redhat.com>
6844 * function.c (reorder_blocks): Make sure the flags are all reset
6845 before using them to mark blocks, else a second invocation will
6846 corrupt the block chain.
6847 (reorder_blocks_0): New, resets the flags.
6849 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
6851 * cse.c (find_comparison_args): Stop if the argument is known to
6854 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
6856 * config/sh/sh.md (movdf): When splitting load into pair of
6857 registers, don't clobber the register used in the address too
6860 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
6862 * varasm.c (mark_constant_pool): Improve initial comments.
6863 (mark_constants): Move marking of constants to mark_constant.
6864 (mark_constant): New function to recursively mark all constants
6865 referred to by a constant.
6867 2001-01-05 Catherine Moore <clm@redhat.com>
6869 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
6871 2001-01-05 Phil Edwards <pme@sources.redhat.com>
6873 * cp/lang-options.h: Bring comment in line with reality.
6874 * f/lang-options.h: Likewise.
6875 * java/lang-options.h: Likewise.
6876 * objc/lang-options.h: Likewise.
6877 * ch/lang-options.h: Likewise.
6878 * f/g77.texi: And update the manual.
6880 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
6881 Denis Chertykov <denisc@overta.ru>
6883 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
6884 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
6885 * config/avr/avr.md (all peepholes that request a scratch register):
6886 Call it, FAIL the peephole if not safe (in interrupt functions).
6888 2001-01-05 Mark Mitchell <mark@codesourcery.com>
6890 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
6892 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
6894 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
6896 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
6897 BUILT_IN_CREAL and BUILT_IN_CIMAG.
6898 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
6899 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
6900 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
6902 * extend.texi: Document these builtins.
6904 2001-01-05 Daniel Berlin <dberlin@redhat.com>
6906 * c-common.c (lang_get_alias_set): Say we know nothing of
6907 VECTOR_TYPE aliasing.
6909 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
6911 2001-01-05 Bruce Korb <bkorb@gnu.org>
6913 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
6914 their x* equivalent versions for atexit-less systems
6915 * fixinc/fixincl.c(main): do not return from main() on atexit-less
6916 systems (or any other system any more).
6918 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
6920 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
6921 output operands. Use arm_hard_register_operand for operand 4.
6922 (stmsi_postinc): Similarly.
6923 (ldmsi): Use arm_hard_register_operand for opernand 2.
6925 * arm.c (arm_hard_register_operand): New function.
6926 * arm-protos.h (arm_hard_register_operand): Prototype it.
6928 * arm.h (HARD_REGNO_RENAME_OK): Define.
6930 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
6932 * simplify-rtx.c (cfc_args): add "unordered" field.
6933 (check_fold_consts): Set unordered field.
6934 (simplify_relational_operation): Simplify the unordered
6937 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
6940 * emit-rtl.c (try_split): Fix code to mark labels.
6941 * jump.c (mark_jump_label): Make global.
6942 * rtl.h (mark_jump_label): Declare.
6944 * predict.c (estimate_probability): Handle unordred comparisons.
6946 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
6948 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
6949 * cppinit.c (initialize_dependency_output): Update.
6950 (cpp_finish): Output dummy targets for -MP.
6952 (cpp_handle_option): Handle -MP. Don't quote -MT options.
6953 * cpplib.h (struct cpp_options): Add deps_phony_targets.
6954 * gcc.c (cpp_options): Update to handle -MP.
6955 * mkdeps.c (deps_add_target, deps_add_default_target): Update
6956 to quote only the default target.
6957 (deps_phony_targets): Insert a preceding newline. Rename from
6958 deps_dummy_targets for consistency.
6961 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
6963 * calls.c (emit_library_call_value_1): Support
6964 INIT_CUMULATIVE_LIBCALL_ARGS.
6965 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
6967 2001-01-04 Richard Henderson <rth@redhat.com>
6969 * c-decl.c (finish_struct): Detect flexible array members
6970 used in an inappropriate context.
6971 * c-typeck.c (really_start_incremental_init): Special case
6972 constructor_max_index for zero length arrays.
6973 (pop_init_level): Allow initialization of flexible array
6974 members. Deprecate initialization of zero length arrays.
6975 Don't issue missing initializer warning for flexible array
6976 members or zero length arrays.
6977 (process_init_element): Don't dereference null DECL_SIZE.
6978 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
6979 Don't abort for empty constructors. Use size_binop
6980 (output_constructor): Add commentary regarding zero length
6981 array futures. Abort if we try to initialize an array of
6982 unspecified length with a non-empty constructor in the middle
6985 * extend.texi (Zero Length): Update and clarify documentation
6986 on static initialization.
6988 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6990 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
6991 with more than 32767 words of local storage.
6993 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6995 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
6996 for 'abs', 'labs', and 'fabs'.
6997 (c4x_expand_builtin): Likewise.
6998 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
7000 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
7002 * config/sh/sh.md (prget, prset): New insn types.
7003 (return delay slot): Dont' allow prset.
7004 (call, sfunc delay slot): Don't allow prget.
7005 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
7006 for prset and prget.
7008 2001-01-05 Michael Hayes <mhayes@redhat.com>
7010 * loop.h (struct loop_reg): New.
7011 (struct loop_regs): Change to use array of `struct loop_reg'.
7012 * loop.c: Replace assortment of varrays with single regs array.
7013 (count_one_set): Delete may_not_move array argument
7014 and use regs array instead. All caller's changed.
7015 (count_loop_regs_set): Delete may_not_move and single_usage
7016 arguments and use regs array instead. All caller's changed.
7017 (find_single_use_in_loop): Replace usage array argument with pointer
7018 to regs structure. All caller's changed.
7019 (loop_optimize): Delete `moved_once' array.
7021 2001-01-05 Michael Hayes <mhayes@redhat.com>
7023 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
7024 Use it instead of loop_info->has_call for scanning loop mems.
7025 (check_dbra_loop): Replace loop_info->has_call test with
7026 loop_info->has_nonconst_call.
7028 2000-01-04 Matthew Hiller <hiller@redhat.com>
7030 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
7033 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
7035 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
7036 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
7038 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
7040 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
7041 (flag_short_double, flag_short_wchar): Define.
7042 (c_common_nodes_and_builtins): Create many tree nodes shared
7043 between C and C++ here instead of in cp/decl.c and ...
7044 * c-decl.c (init_decl_processing): ... here.
7045 (SIZE_TYPE, WCHAR_TYPE): Don't define.
7046 (flag_short_double, flag_short_wchar): Don't define.
7047 (record_builtin_type): New function.
7048 (build_void_list_node): New function.
7049 * c-common.h (flag_short_double, flag_short_wchar,
7050 record_builtin_type, build_void_list_node): Declare.
7052 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
7054 * integrate.c (expand_inline_function): Don't put a virtual
7055 register into the reg map.
7057 * function.c (fixup_var_refs_1): If force_operand didn't put
7058 the address into the target, move it there.
7060 2001-01-04 Mark Mitchell <mark@codesourcery.com>
7062 Special-case tree_decl/tree_list allocations.
7063 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
7064 (OBJECT_SIZE): New macro.
7065 (NUM_EXTRA_ORDER): Likewise.
7066 (extra_order_size_table): New variable.
7067 (NUM_ORDERS): New macro.
7068 (objects_per_page_table): New variable.
7069 (object_size_table): New variable.
7070 (G.pages): Use NUM_ORDERS to bound the array.
7071 (G.page_tails): Likewise.
7072 (DIV_ROUND_UP): Remove.
7073 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
7074 (alloc_page): Use OBJECT_SIZE.
7075 (size_lookup): Don't make it const.
7076 (ggc_alloc): Use OBJECT_SIZE.
7077 (ggc_set_mark): Likewise.
7078 (ggc_get_size): Likewise.
7079 (init_ggc): Set up the object_size_table, objects_per_page_table,
7080 and adjust size_lookup.
7081 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
7082 (ggc_pop_context): Use NUM_ORDERS.
7083 (clear_marks): Likewise.
7084 (sweep_pages): Likewise.
7085 (poison_pages): Likewise.
7086 (ggc_print_statistics): Use OBJECT_SIZE.
7088 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7090 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
7091 Only call array_size_for_constructor if last field and array type
7092 with no upper bound.
7094 2001-01-04 Philip Blundell <philb@gnu.org>
7096 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
7097 from bit 31 downwards, if this requires no more insns.
7098 (count_insns_for_constant): New helper function for above.
7100 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
7102 * gencodes.c (output_predicate_decls): Remove empty initializer.
7104 2001-01-04 Mark Mitchell <mark@codesourcery.com>
7106 * tree.c (copy_node): Remove documentation about obstacks.
7107 (buidl1): Check that nobody tries to build 2-argument nodes this
7110 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7112 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
7115 * gencodes.c (output_predicate_decls): Fill empty initializer
7118 2001-01-04 Jakub Jelinek <jakub@redhat.com>
7120 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
7121 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
7123 (do_include): Handle missing headers like cpp0.
7124 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
7125 paths with first include pathname. Don't strcat to uninitialized
7128 2001-01-04 Bernd Schmidt <bernds@redhat.com>
7130 * regrename.c (regrename_optimize): Don't rename from frame pointer
7131 if frame_pointer_needed.
7132 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
7133 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
7134 (ia64_reorg): Use it instead of scheduling if ! optimize.
7135 (errata_emit_nops): Properly call asm_noperands.
7136 (ia64_sched_reorder): Finish cycle if we see an asm.
7137 (ia64_variable_issue): Clear scheduling state after asms.
7139 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
7141 * cpp.texi: Update for -MT.
7142 * cppinit.c (initialize_dependency_output): Add a default
7143 target if none has been given already.
7144 (no_tgt, OPT_MT): New.
7145 (cpp_handle_option): Handle -MT. Update -M etc.
7146 * cpplib.h (struct cpp_options): Remove deps_target.
7147 * gcc.c (cpp_options): Handle -MT.
7148 * mkdeps.c (struct deps): Move from mkdeps.h.
7149 (deps_calc_target): Rename deps_add_default_target. Add a
7150 default target if none has been specified already.
7151 * mkdeps.h (struct deps): Move to mkdeps.c.
7152 (deps_calc_target): Rename deps_add_default_target.
7154 2000-01-03 Richard Henderson <rth@redhat.com>
7156 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
7158 * c-typeck.c (push_init_level): Move checks for flexible array
7159 members and zero length arrays ...
7160 (pop_init_level): ... here. Silently discard empty initializations.
7162 * varasm.c (output_constructor): Update for sizeof change to
7165 * extend.texi (Zero Length): Clarify semantics.
7167 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
7169 * configure.in (tm.h): Include isns-codes.h last.
7170 * configure: Rebuilt.
7172 2001-01-03 Richard Henderson <rth@redhat.com>
7174 * config/alpha/alpha.md (addvsi3, addvdi3): New.
7175 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
7177 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7179 * tradcpp.c (main): Make sure finclude() is called with a valid
7180 indepth value while handling -include.
7182 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
7184 * gencodes.c (output_predicate_decls): New function.
7186 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
7187 even if it is not the first time machmode.h is #included.
7188 * config/sh/sh.c (fpul_operand): Declare MODE argument.
7189 * tm.texi (PREDICATE_CODES): Document predicate declarations.
7190 * gcc.texi (Copyright): Added 2001.
7192 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
7194 * c-common.c (c_common_lang_init): New function. Warn if format
7195 warning options which only have effects when used with -Wformat
7196 are used without -Wformat.
7197 * c-common.h (c_common_lang_init): Declare.
7198 * c-lang.c (lang_init): Call c_common_lang_init.
7199 * objc/objc-act.c (lang_init): Call c_common_lang_init.
7201 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
7203 * configure.in: Check for the mktemp command.
7204 * configure: Regenerate.
7205 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
7206 $TEMP. Create temporary files with mktemp, if available at
7207 configure time; otherwise use set -C. Remove temporary files
7210 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
7212 * configure.in: Require at least texinfo 4.0. Check for whether
7213 Pod::Man is sufficiently recent to regenerate GCC manpages.
7214 * configure: Regenerate.
7215 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
7217 (GENERATED_MANPAGES): Define.
7218 (generated-manpages): New target. Depend on cpp.1 as well as
7220 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
7221 configure to generated-manpages or empty) rather than on the
7222 manpages directly. Remove execute permission from installed
7223 gcov.1 as well as cpp.1.
7224 * cpp.1, gcov.1: Regenerate.
7226 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7228 * builtins.c (expand_builtin_strncmp): Use host_integerp and
7229 tree_low_cst. Allow using cmpstrsi in more cases.
7231 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7233 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
7236 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
7238 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
7239 * Makefile.in (HOST_CFLAGS): Mention build-make.
7241 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7243 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
7246 2001-01-01 Bernd Schmidt <bernds@redhat.com>
7248 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
7251 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
7254 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
7255 reg_base_value and reg_known_value arrays.
7256 (init_alias_analysis): Add more cases to detect known values.
7257 * sched-deps.c (deps_may_trap_p): New function.
7258 (sched_analyze_2): Use it.
7260 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
7262 * combine.c (simplify_shift_const): Even if we're sign-extracting,
7263 don't discard an ASHIFTRT if we're shifting in a wider mode.
7265 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
7267 * toplev.c (rest_of_compilation): Don't print basic block information
7268 when CFG isn't up to date.
7270 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
7272 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
7273 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
7274 (UNALIGNED_SHORT_ASM_OP): Define.
7275 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
7277 2001-01-02 Mark Mitchell <mark@codesourcery.com>
7279 * fold-const.c (fold_convert): Fix typo.
7281 2001-01-02 Richard Henderson <rth@redhat.com>
7283 * c-common.h (ASM_INPUT_P): New.
7284 * c-parse.in (asm): Set it when needed.
7285 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
7286 existance of an operand.
7288 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
7290 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
7291 (dwarf2out_frame_debug_expr): Likewise.
7292 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
7294 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
7296 * i386.c (ix86_split_to_parts): Return number of part required;
7298 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
7300 (ix86_split_long_move): Use number of part returned
7301 by ix86_split_to_parts
7302 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
7304 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
7305 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
7306 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
7307 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
7308 (ALIGN_MODE_128): Add TFmode.
7309 (IS_STACK_MODE): Likewise.
7310 (HARD_REGNO_NREGS): TFmode needs 3 registers.
7311 (HARD_REGNO_OK): Support TFmodes.
7312 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
7313 * i386.md (scheduler definitions): Use memory operand to determine
7314 fst/fld instructions; use mode attribute to determine real mode of
7316 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
7317 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
7319 2001-01-02 Mark Mitchell <mark@codesourcery.com>
7321 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
7323 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
7325 * expr.c (store_constructor_field): Update ALIGN before calling
7328 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
7330 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
7333 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
7335 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
7338 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
7340 * c-decl.c (start_function): Don't warn on third parameter to main.
7342 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7344 * tsystem.h: Define HAVE_DECL_GETOPT.
7346 2001-01-02 Philip Blundell <pb@futuretv.com>
7348 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
7351 2001-01-02 Richard Henderson <rth@redhat.com>
7353 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
7355 2001-01-02 Andreas Jaeger <aj@suse.de>
7357 * c-decl.c (c_decode_option): Remove support of
7360 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
7361 (W_options): Add -Wmissing-noreturn here.
7363 * flow.c: Define lang_missing_noreturn_ok_p.
7364 (check_function_return_warnings): Use it.
7366 * c-common.h: Declare lang_missing_noreturn_ok_p.
7368 * c-lang.c (c_missing_noreturn_ok_p): New function.
7369 (lang_init): Set lang_missing_noreturn_ok_p.
7371 * invoke.texi (Warning Options): Document this.
7373 2000-12-27 Phil Edwards <pme@sources.redhat.com>
7375 * extend.texi (C++ Extensions): New node for C++ attributes;
7376 describe init_priority and com_interface.
7377 * invoke.texi: Remove -finit-priority as it now has zero effect.
7378 * install.texi: Fix xref syntax.
7379 * md.texi: Likewise.
7381 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7383 * config.gcc (sparc64-wrs-vxworks*): New case.
7384 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
7386 * config/sparc/sparc.c (sparc_override_options): Do support different
7387 pointer and architecture size.
7388 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
7389 (POINTERS_EXTEND_UNSIGNED): Define.
7390 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
7391 (FUNCTION_MODE): Define to be Pmode.
7392 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
7394 * function.c (expand_function_end): Properly handle DECL_RESULT
7395 and copy when ptr_mode != Pmode.
7396 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
7398 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7400 * c-common.c (c_common_nodes_and_builtins): Set prototype
7401 parameters for __builtin_fputs, __builtin_fputc and
7402 __builtin_fwrite. Don't declare plain fputc as a builtin.
7404 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
7406 * loop.c (add_label_notes): Increment the label usage count when
7407 a note is added to an insn which refers to a CODE_LABEL.
7408 * gcse.c (add_label_notes): Likewise.
7410 2001-01-01 Andreas Jaeger <aj@suse.de>
7412 * loop.c (scan_loop): Use xmalloc to allocate movables.
7414 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
7416 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
7417 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
7418 * reload1.c (REGISTER_MOVE_COST): Likewise.
7419 * regclass.c (REGISTER_MOVE_COST): Likewise.
7420 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
7421 dimension. Adjust all users.
7422 (init_reg_sets_1): Iterate on all modes.
7423 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
7424 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
7425 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
7426 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
7427 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
7428 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
7429 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
7430 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
7431 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
7432 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
7433 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
7434 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
7435 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
7436 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
7437 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
7438 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
7439 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
7440 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
7441 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
7442 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
7443 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
7444 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
7445 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
7446 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
7447 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
7448 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
7449 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
7451 2001-01-01 Bernd Schmidt <bernds@redhat.com>
7453 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
7454 arg VARIES_P. Call it with extra arg.
7455 (true_dependence): Likewise.
7456 * rtl.h (rtx_addr_can_trap_p): Declare.
7457 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
7459 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
7460 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
7461 pic offset table register if it's zero. All callers changed.
7462 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
7464 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7466 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
7467 STRING_POOL_ADDRESS_P.
7469 * config/sparc/sparc.c (input_operand): Properly test for short op.
7471 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
7472 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
7473 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
7474 * config/sparc/elf.h: No longer include sol2.h.
7475 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
7476 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
7478 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
7480 2001-01-01 Michael Hayes <mhayes@redhat.com>
7482 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
7483 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
7484 (record_initial): Likewise.
7485 * unroll.c (copy_loop_body, loop_iterations): Likewise.
7486 (remap_split_bivs): Likewise.
7488 2001-01-01 Michael Hayes <mhayes@redhat.com>
7490 * loop.c (loop_ivs_free): New function.
7491 (strength_reduce): Break out from...
7493 2001-01-01 Michael Hayes <mhayes@redhat.com>
7495 * loop.h (struct iv): New.
7496 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
7497 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
7498 'reg_biv_class' fields with 'regs' and 'n_regs'.
7499 (struct ivs): Rename 'loop_iv_list' field to 'list'.
7500 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
7501 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
7503 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
7505 * resource.c (mark_referenced_resources): Abort() before
7506 attempting to mark a pseudo register.
7507 (mark_set_resources): Likewise.
7509 2001-01-01 Michael Hayes <mhayes@redhat.com>
7511 * loop.h (REG_IV_CLASS): New accessor macro.
7512 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
7513 * unroll.c (REG_IV_CLASS): Likewise.
7515 See ChangeLog.4 for earlier changes.