1 2001-04-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3 * configure.in: Don't check for putenv.
4 * configure: Regenerate.
5 * gcc.c (putenv): Don't define.
6 * vax/xm-vms.h: Handle putenv.
8 2001-04-02 Jakub Jelinek <jakub@redhat.com>
10 * ifcvt.c (noce_emit_move_insn): New.
11 (noce_try_store_flag, noce_try_store_flag_constants,
12 noce_try_store_flag_inc, noce_try_store_flag_mask,
13 noce_try_cmove, noce_try_cmove_arith, noce_try_minmax,
14 noce_try_abs): Use it.
15 (noce_process_if_block): Likewise.
16 For STRICT_LOW_PART, take mode from its SUBREG.
18 2001-04-02 Jakub Jelinek <jakub@redhat.com>
20 * fold-const.c (fold): Before optimizing unsigned comparison with
21 0x7fffffffU, make sure arg0 is integral type.
23 2001-04-02 Joseph S. Myers <jsm28@cam.ac.uk>
25 * c-tree.texi: Document representation of wide strings.
27 2001-04-01 Richard Henderson <rth@redhat.com>
29 * except.h (expand_builtin_dwarf_fp_regnum): Declare.
31 Sun Apr 1 11:49:05 CEST 2001 Jan Hubicka <jH@suse.cz>
33 * i386.md: remove obsoleted comments.
34 (adddi_?): Rename to adddi_?_rex64; disable for 32bit.
35 (x86_movsicc_0_m1_rex64): Rename to x86_movdicc_0_m1_rex64;
38 2001-03-31 Marek Michalkiewicz <marekm@linux.org.pl>
40 * config/avr/libgcc.S (__mulhi3): Optimize previous change.
42 2001-03-30 Bernd Schmidt <bernds@redhat.com>
44 * loop.c (load_mems): When generating a load from a pseudo, update
47 Fri Mar 30 17:36:43 CEST 2001 Jan Hubicka <jh@suse.cz>
49 * i386.c (ix86_split_long_move): Use change address to compensate
50 stack pointer change in push instruction.
52 Fri Mar 30 00:31:00 CEST 2001 Jan Hubicka <jh@suse.cz>
54 * i386.md (sse_movdfcc_eq): Fix constraint (sse_mov?fcc splitter): Use operands_match_p
55 instead of rtx_equal_p; fix the output template.
57 Fri Mar 30 00:21:41 CEST 2001 Jan Hubicka <jh@suse.cz>
59 * i386.c (ix86_expand_setcc): Support 64bit.
60 (ix86_expand_int_movcc): Likewise.
61 * i386.md (movdicc_rex64, x86_movsicc_0_m1_rex64, movdicc_c_rex64):
64 * i386.md (allocate_stack_worker): Turn to expander.
65 (allocate_stack_worker_1, allocate_stack_worker_rex64): New insns.
67 * i386.c (print_reg): Do not print x86_64 style regs on IA-32
69 2001-03-29 Richard Henderson <rth@redhat.com>
71 * libgcc2.c [L__main]: Include unwind-dw2-fde.h instead of frame.h.
73 2001-03-28 Matthew Hiller <hiller@redhat.com>
75 * config/mn10300/mn10300.md (cmpsi): Fix first alternative's
78 * MAINTAINERS: Added self.
80 2001-03-28 Richard Henderson <rth@redhat.com>
82 * Makefile.in (cs-tconfig.h): Depend on CONFIG_H, not GCONFIG_H.
83 Use ALL_CFLAGS not HOST_CFLAGS for sjlj detection.
85 2001-03-28 Jim Wilson <wilson@redhat.com>
87 * config/ia64/ia64.md (movtf): Change DImode to TFmode in calls to
90 2001-03-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
92 * toplev.h (fatal_error): Add ATTRIBUTE_NORETURN.
94 * tradcif.y (yyerror): Likewise. Add format specifier in call to
97 * tradcpp.c (macroexpand): Likewise for call to `error_with_line'.
99 2001-03-28 DJ Delorie <dj@redhat.com>
101 * Makefile.in (stage1_build): Revert CFLAGS patch.
103 2001-03-28 Marek Michalkiewicz <marekm@linux.org.pl>
105 * config/avr/libgcc.S (__mulhi3): Correct tests to exit the loop
106 when multiplier or multiplicand is zero.
108 2001-03-28 Bernd Schmidt <bernds@redhat.com>
110 * cselib.c (hash_rtx): Don't do tail recursion elimination by hand.
112 * config/ia64/ia64.c (update_set_flags): New function, broken out of
114 (set_src_needs_barrier): Likewise.
115 (rtx_needs_barrier): For SET case, use these two functions. Rework
116 PARALLEL case to handle all inputs before all outputs.
117 (emit_insn_group_barriers): Call init_insn_group_barriers only if we
118 saw a label and no stop bit since then.
119 (maybe_rotate, process_epilogue): Add prototypes.
121 2001-03-28 Richard Henderson <rth@redhat.com>
123 * config/rs6000/rs6000.h (EPILOGUE_USES): Use TARGET_AIX,
124 not TARGET_TOC for special toc restore handling.
125 * config/rs6000/rs6000.md (eh_return): Likewise.
127 2001-03-28 Richard Henderson <rth@redhat.com>
129 * config/sparc/sparc.c (eligible_for_epilogue_delay): False if
130 current_function_calls_eh_return.
131 (output_function_epilogue): Handle eh_return.
132 * config/sparc/sparc.h (DOESNT_NEED_UNWINDER): Remove.
133 (EH_RETURN_DATA_REGNO): New.
134 (EH_RETURN_STACKADJ_RTX): New.
135 (EH_RETURN_HANDLER_RTX): New.
136 * config/sparc/sparc.md (call/short branch peepholes): Check
137 can_throw_internal instead of in_same_eh_region.
139 * config/rs6000/rs6000.c (rs6000_stack_info): Allocate space
140 for eh_return data registers.
141 (rs6000_emit_prologue): Save eh_return data registers.
142 (rs6000_emit_epilogue): Force inline restores if eh_return.
143 Restore eh_return data registers. Mind EH_RETURN_STACKADJ_RTX.
144 * config/rs6000/rs6000.h (rs6000_stack_t): Add ehrd_offset.
145 (EH_RETURN_DATA_REGNO, EH_RETURN_STACKADJ_RTX): New.
146 (EPILOGUE_USES): True for TOC_REGISTER if calls_eh_return and
148 * config/rs6000/rs6000.md (eh_epilogue, eh_reg_restore): Remove.
149 (return_eh_si, return_eh_di): Remove.
150 (eh_return): New, from corpse of eh_epilogue.
151 (eh_set_lr_si, eh_set_lr_di): New.
153 * config/i386/i386.c (general_no_elim_operand): Disallow virtual regs.
154 (ix86_save_reg): If maybe_eh_return, true for EH_RETURN_DATA_REGNOs.
155 True for pic register if current_function_calls_eh_return.
156 (ix86_expand_epilogue): Change "emit_return" argument into "style".
157 Handle eh_return requirements.
158 * config/i386/i386.h (EH_RETURN_DATA_REGNO): New.
159 (EH_RETURN_STACKADJ_RTX): New.
160 * config/i386/i386.md (exception_receiver): Remove.
161 (eh_return, eh_return_1): New.
162 * config/i386/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
164 * config/alpha/alpha.c (alpha_sa_mask): Add EH_RETURN_DATA_REGNOs.
165 (alpha_mark_machine_status): No eh_epilogue_sp_ofs ...
166 (alpha_expand_epilogue): ... use EH_RETURN_STACKADJ_RTX instead.
167 * config/alpha/alpha.h (machine_function): Remove eh_epilogue_sp_ofs.
168 (EH_RETURN_DATA_REGNO): New.
169 (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): New.
170 * config/alpha/alpha.md (eh_epilogue): Remove.
171 (exception_receiver): Use $26 for ldgp input.
172 * config/alpha/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
174 2001-03-28 Richard Henderson <rth@redhat.com>
176 * except.c: Rewrite entirely for IA-64 ABI exception handling.
177 * except.h: Likewise.
179 * Makefile.in (LIB2ADDEH): Mention unwind-dw2*.c
181 (LIB2FUNCS_EH): Remove.
182 (LIB2ADD): Remove LIB2ADDEH.
183 (libgcc.mk): Pass LIB2ADDEHDEP, don't pass LIB2FUNCS_EH.
184 (LIBGCC_DEPS): Use LIB2ADDEHDEP.
185 (crt{begin,end}[S].o): Likewise.
186 (except.o): Update includes.
187 * mklibgcc.in: Remove LIB2FUNCS_EH, add LIB2ADDEH, LIB2ADDEHDEP.
188 (libgcc2_c_dep): Use LIB2ADDEHDEP.
190 * basic-block.h (struct basic_block_def): Remove eh_beg, eh_end.
191 * bb-reorder.c (reorder_basic_blocks): Don't disable for EH.
192 * builtins.def (BUILT_IN_EH_RETURN_DATA_REGNO): New.
193 * builtins.c (expand_builtin): Implement it.
194 [BUILT_IN_EH_RETURN]: Update for nr arguments change.
195 * c-common.c (c_common_nodes_and_builtins): Declare it.
196 * c-decl.c (init_decl_processing): Update __builtin_eh_return.
197 * calls.c (libfunc_nothrow): Remove.
198 (emit_library_call_value_1): Don't call it.
199 * crtstuff.c: Include unwind-dw2-fde.h instead of frame.h.
200 * dwarf2.h (dwarf_call_frame_info): Add dwarf2.1 elements.
201 (DW_EH_PE_*): New defines for pointer encoding in .eh_frame.
202 * dwarf2out.c (struct dw_fde_struct): Add uses_eh_lsda, funcdef_number.
203 (current_funcdef_number): Globalize.
204 (output_call_frame_info): Emit frame data if an lsda is needed.
205 Generate augmentation for personality routine. Don't play with
207 (dwarf2out_begin_prologue): Record funcdef_number.
208 * dwarf2out.h (current_funcdef_number): Declare.
209 * expr.c (expand_expr): Update for except.h name changes.
210 Remove POPDCC_EXPR, POPDHC_EXPR. Add EXC_PTR_EXPR.
211 * expr.h (LTI_throw, LTI_rethrow): Remove.
212 (LTI_sjthrow, LTI_sjpopnthrow, LTI_terminate): Remove.
213 (LTI_eh_rtime_match): Remove.
214 (LTI_unwind_resume, LTI_eh_personality): Add.
215 (LTI_unwind_sjlj_register, LTI_unwind_sjlj_unregister): Add.
216 * final.c (final): Don't call check_exception_handler_labels,
217 init_insn_eh_region, or free_insn_eh_region.
218 (final_scan_insn): Always emit debug labels for
219 NOTE_INSN_EH_REGION notes.
220 * flags.h (flag_new_exceptions): Remove.
221 * flow.c (entry_exit_blocks): Remove eh_beg, eh_end.
222 (record_active_eh_regions): Remove.
223 (count_basic_blocks): Check all instructions for REG_EH_REGION.
224 Use can_throw_internal.
225 (find_basic_blocks_1): Likewise.
226 (move_stray_eh_region_notes): Remove.
227 (find_label_refs): No eh_return_stub_label.
228 (make_edges): Likewise. No init/free_eh_nesting_info. Handle RESX.
229 (make_eh_edge): No eh_nest_info. Update for reachable_handlers
231 (delete_unreachable_blocks): Don't track deleted handlers.
232 (flow_delete_block): Use maybe_remove_eh_handler.
233 (delete_eh_regions): Remove.
234 (merge_blocks): Don't check for eh region match.
235 (mark_regs_live_at_end): Handle EH_RETURN_DATA_REGNO,
236 EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX.
237 (init_propagate_block_info): Disable dead frame store optimization
238 when current_function_calls_eh_return.
239 (dump_bb): Don't print eh_beg, eh_end.
240 * function.c (fixup_var_refs): No catch_clauses.
241 (expand_function_end): Likewise. Call expand_eh_return before
242 the return register use. Call sjlj_emit_function_exit_after.
243 (expand_function_start): Force pseudo DECL_RESULT if sjlj exceptions.
244 * function.h (struct function): Add calls_eh_return, uses_eh_lsda.
245 * ifcvt.c (dead_or_predicable): Remove eh region check.
246 * integrate.c (function_cannot_inline_p): Disallow __builtin_eh_return.
247 Don't check for EH vs parameters.
248 (expand_inline_function_eh_labelmap, eif_eh_map): Remove.
249 (expand_inline_function): Call duplicate_eh_regions.
250 (copy_insn_list): Don't handle NOTE_INSN_EH_REGION_BEG/END.
251 (copy_insn_notes): Remap REG_EH_REGION notes.
252 (copy_rtx_and_substitute): Remove SYMBOL_REF_NEED_ADJUST check.
253 * integrate.h (struct inline_remap): Add local_return_label.
254 * jump.c (jump_optimize_1): Don't init/free_insn_eh_region, nor
255 check_exception_handler_labels, nor exception_optimize.
256 (find_cross_jump): No EH region check.
257 * optabs.c (init_optabs): Update for changed eh libfuncs.
258 * rtl.def (RESX): New.
259 * rtl.h (SYMBOL_REF_NEED_ADJUST): Remove.
260 * stmt.c (expand_decl_cleanup): Simplify using_eh_for_cleanups_p
261 checks. Update for except.h name changes.
262 (expand_cleanups): Likewise.
263 (expand_dcc_cleanup, expand_dhc_cleanup): Remove.
264 * toplev.c (dump_file_index, dump_file): Add .02.eh dump.
265 (compile_file): Call init_eh before init_optabs. Don't
266 output_exception_table here.
267 (rest_of_compilation): Call convert_from_eh_region_ranges,
268 convert_to_eh_region_ranges, output_function_exception_table.
269 Don't emit_eh_context.
270 * tree.def (POPDHC_EXPR, POPDCC_EXPR): Remove.
273 * md.texi (eh_epilogue): Remove.
274 (eh_return): Document.
275 * tm.texi (EH_RETURN_DATA_REGNO): Document.
276 (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): Document.
278 * eh-common.h: Remove file.
279 * frame-dwarf2.c, frame.c, frame.h: Remove files.
280 * libgcc2.c (L_eh): Remove.
282 * unwind-dw2-fde.c: New file, largely copied from frame.c.
283 * unwind-dw2-fde.h: New file.
284 * unwind-dw2.c: New file, largely cribbed from frame-dwarf2.c.
285 * unwind-sjlj.c, unwind.h, unwind.inc: New files.
286 * libgcc-std.ver: Update for eh symbols.
288 2001-03-27 Richard Henderson <rth@redhat.com>
290 * regmove.c (perhaps_ends_bb_p): Use can_throw_internal to
291 reduce false positives.
292 (regmove_optimize): Disable if flag_non_call_exceptions.
294 * stmt.c (expand_return): Remove always true predicate.
295 (expand_decl_cleanup_no_eh): Remove dead code.
297 * sched-deps.c (sched_analyze_insn): Consolidate scheduling
298 barrier code. Add a scheduling barrier if a non-call insn
299 can throw internally.
301 * rtlanal.c (rtx_addr_can_trap_p): Virtual registers cannot trap.
302 Auto-inc addresses trap only if their base register does.
304 * except.c (can_throw_internal): Rename from can_throw.
305 * except.h, resource.c: Update references.
307 * integrate.c (copy_insn_list): Use returnjump_p.
308 (copy_insn_notes): Recurse for CALL_PLACEHOLDER.
310 * function.h (struct function): Move all boolean valued fields
311 to single bit fields at the end of the struct.
313 * bb-reorder.c, dwarf2out.c, except.c, except.h, flow.c,
315 Rename asynchronous_exceptions to flag_non_call_exceptions.
317 * gthr-single.h (UNUSED): New. Distinguish between how C
318 and C++ mark unused function arguments. Use throughout.
320 * Makefile.in (cs-tconfig.h): Copy USING_SJLJ_EXCEPTIONS
321 value to target configuration header.
322 * configure.in (CONFIG_SJLJ_EXCEPTIONS): New.
323 * config.in, configure: Rebuild.
324 * except.h (USING_SJLJ_EXCEPTIONS): New. Define based on
325 configuration and target defines.
326 (exceptions_via_longjmp): Remove.
327 * dwarf2out.c, except.c, final.c, toplev.c, config/ia64/ia64.c:
328 Use USING_SJLJ_EXCEPTIONS instead of exceptions_via_longjmp.
330 * except.h (flag_non_call_exceptions): Move ...
333 * combine.c (distribute_notes) [REG_EH_REGION]: If non-call
334 exceptions, put the note on the trapping instruction.
336 * flags.h (flag_new_exceptions): Remove.
337 * toplev.c: Don't set it.
338 * final.c: Don't check it.
339 * except.c: Provide stub definition.
341 * flow.c (tidy_fallthru_edges): Don't combine complex edges.
342 (calculate_global_regs_live): Kill call-clobbered registers
343 across exception edges.
344 * reg-stack.c (convert_regs_1): Kill the entire target stack
345 across non-call exception edges.
347 * flow.c (cleanup_cfg): Take no argument.
348 * output.h, sibcall.c, toplev.c: Update all calls.
350 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
352 * configure.in: Don't check for bcopy.
353 * configure, config.in: Regenerate.
355 * system.h: Don't define or prototype bcopy, instead poison it.
357 2001-03-27 Richard Henderson <rth@redhat.com>
359 * function.c (expand_function_start): Set DECL_REGISTER on
360 a pseudo used for DECL_RESULT.
362 * rtl.h (LCT_NORETURN): New.
363 * calls.c (emit_library_call_value_1): Handle it.
365 2001-03-27 Stan Shebs <shebs@apple.com>
367 * objc/objc-act.c (objc_init): Use dump_base_name.
368 (gen_declaration): Clear the buffer arg.
369 (gen_declaration_1): New function, body of gen_declaration.
370 (adorn_decl): Call gen_declaration_1 instead of gen_declaration.
371 (gen_method_decl): Ditto, plus always clear buffer arg.
372 (error_with_ivar): Simplify.
373 (warn_with_method): Ditto.
374 (build_message_expr): Don't clear buffers.
375 (dump_interface): Ditto.
377 (build_keyword_selector): Clear the buffer by only zeroing
379 (objc_implementation_context): Declare.
380 (start_class): Warn about missing @end.
381 (finish_objc): Ditto.
383 2001-03-28 John David Anglin <dave@hiauly1.hia.nrc.ca>
385 * reload1.c (eliminate_regs): Don't abort on MEM USEs.
387 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
389 * Makefile.in (SYSTEM_H): Define.
390 Depend on $(SYSTEM_H), not system.h.
392 * objc/Make-lang.in: Depend on $(SYSTEM_H), not system.h.
394 2001-03-27 Jim Wilson <wilson@redhat.com>
396 * final.c (final_scan_insn, case NOTE_INSN_BASIC_BLOCK): Call
398 * config/ia64/ia64.c (block_num, need_copy_state): New static vars.
399 (process_epilogue): New static function.
400 (process_set): Call process_epilogue instead of emitting .restore
402 (process_for_unwind_directive): Handle NOTE_INSN_BASIC_BLOCK.
404 * flow.c (struct reg_cond_life_info): New fields orig_condition
406 (init_propagate_block_info): Set new fields.
407 (mark_regno_cond_dead): Set and use new fields.
408 (flush_reg_cond_reg_1): Likewise.
409 (and_reg_cond, case AND): Check for redundant AND conditions.
410 (mark_used_reg): Delete unnecessary clears before freeing splay trees.
413 2001-03-27 Neil Booth <neil@daikokuya.demon.co.uk>
415 * cppmacro.c (stringify_arg): Null terminate strings.
417 2001-03-27 Zack Weinberg <zackw@stanford.edu>
419 * config.gcc (m68hc11-*-*, m68hc12-*-*): Convert to new tm.h
420 inclusion style. xm-m68hc11.h no longer exists.
421 * config/m68hc11/xm-m68hc11.h: Delete file.
422 * config/m68hc11/m68hc12.h: Convert to new tm.h inclusion style.
424 * config/m68hc11/m68hc11.h: Convert to new tm.h inclusion style.
425 Don't define GCC_VERSION, N_, or PARAMS; don't include
426 gansidecl.h or stdio.h. Define inhibit_libc here.
427 Make code conditioned on #if GCC_VERSION > 2095 unconditional.
428 Delete code conditioned on #if GCC_VERSION == 2095.
430 * config/m68hc11/m68hc11-protos.h, config/m68hc11/m68hc11.c:
431 Make code conditioned on #if GCC_VERSION > 2095 unconditional.
432 Delete code conditioned on #if GCC_VERSION == 2095.
434 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
436 * system.h: Include symcat.h.
437 (STRINGIFY): Don't define.
439 * configure.in: Adjust comment.
441 * builtins.c: Use STRINGX, not STRINGIFY.
442 * gencheck.c: Likewise.
443 * gengenrtl.c: Likewise.
444 * protoize.c: Likewise.
446 * cpplex.c: Don't include symcat.h.
447 * cpplib.c: Likewise.
449 * gansidecl.h (HAVE_STRINGIZE): Don't define.
451 2001-03-27 Alan Modra <alan@linuxcare.com.au>
453 * c-typeck.c (digest_init): Fold init expression.
455 2001-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
457 * sbitmap.c (sbitmap_copy): Call memcpy, not bcopy.
459 2001-03-27 Alan Modra <alan@linuxcare.com.au>
461 * except.c (eh_regs): Save results of build_pointer_type to a temp
462 as FUNCTION_VALUE macro may evaluate its args multiple times.
464 2001-03-26 Mark Mitchell <mark@codesourcery.com>
466 * c-common.h (DECL_NUM_STMTS): New macro.
467 * c-decl.c (duplicate_decls): Copy DECL_NUM_STMTS, not
469 (pushdecl): Likewise.
470 * c-semantics.c (add_stmt): Update DECL_NUM_STMTS.
471 * integrate.c (expand_inline_function): Don't check
473 * print-tree.c (print_node): Don't print it.
474 * toplev.c (rest_of_compilation): Don't try to inline when
475 flag_no_inline is on.
476 * tree.h (DECL_FRAME_SIZE): Remove.
477 (tree_decl): Adjust accordingly.
479 2001-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
481 * combine.c (try_combine): Use memcpy, not bcopy.
483 * genattrtab.c (expand_units): Likewise.
485 Mon Mar 26 15:55:08 CEST 2001 Jan Hubicka <jh@suse.cz>
487 * i386.md (push mem DI peep2): New.
488 (mov 0, mov -1 peep2): Handle 64bit.
489 (lea to arithmetics peep2): Handle 64bit leas.
490 (rsp arithmetics to push/pop peep2s): New.
492 * i386.md (truncdfsf2_3, trunctfsf2_2): Change predicate to memory_operand.
494 Mon Mar 26 14:35:18 CEST 2001 Jan Hubicka <jh@suse.cz>
496 * i386.c (struct machine_function): Add save_varrargs_registers.
497 (ix86_save_varrargs_registers): New macro.
498 (ix86_frame_layout): Support 64bit; support red zones and varrargs area.
499 (ix86_expand_prologue): Likewise.
500 (ix86_emit_epilogue_esp_adjustement): Likewise.
501 (ix86_expand_epilogue): Likewise.
502 * i386.md (pro_epilogue_adjust_stack): Turn to expander; support 64bit.
503 (pro_epilogue_adjust_stack_1): New insn.
504 (pro_epilogue_adjust_stack_rex64): Likewise.
505 * i386.h (MASK_NO_RED_ZONE): New constant.
506 (TARGET_RED_ZONE): New macro.
507 (TARGET_OPTIONS): Add "red-zone" and "no-red-zone"
508 (RED_ZONE_SIZE): New constant.
509 (RED_ZONE_RESERVE): New constant.
511 2001-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
513 * toplev.c (set_float_handler): Use memcpy, not bcopy.
515 2001-03-25 Kazu Hirata <kazu@hxi.com>
517 * config/h8300/h8300.md (umodqi3): Output a tab instead of a
523 2001-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
525 * mkconfig.sh (DEFINES): Handle entries with '='.
527 * config.gcc: Don't use i370/xm-mvs.h or ns32k/xm-pc532-min.h.
528 Set xm_defines to MACRO=value instead.
530 * i370/xm-mvs.h: Delete.
532 * ns32k/xm-pc532-min.h: Likewise.
534 Sun Mar 25 15:01:40 CEST 2001 Jan Hubicka <jh@suse.cz>
536 * i386.md (ashldi3, ashrdi3, lshrdi3): Change predicates to
538 use ix86_expand_binary_operator
539 (?sh??i_?): Disable for 64bit.
540 * i386.h (PREDICATE_CODES): Add shiftdi_operand.
541 * i386.c (shiftdi_operand): New predicate.
543 * (ashldi3_1_rex64, ashldi3_cmp_rex64, ashlsi3_1_zext, ashlsi3_cmp_zext,
544 ashrdi3_63_rex64, ashrdi3_1_one_bit_rex64, ashrdi3_1_rex64,
545 ashrdi3_one_bit_cmp_rex64, ashrdi3_cmp_rex64, ashrsi3_31_zext,
546 ashrsi3_1_one_bit_zext, ashrsi3_1_zext, ashrsi3_one_bit_cmp_zext,
547 ashrsi3_cmp_zext, lshrdi3_1_one_bit_rex64, lshrdi3_1_rex64,
548 lshrdi3_cmp_one_bit_rex64, lshrdi3_cmp_rex64, lshrsi3_1_one_bit_zext,
549 lshrsi3_1_zext, lshrsi3_cmp_one_bit_zext, lshrsi3_cmp_zext,
550 rotlsi3_1_one_bit_rex64, rotldi3_1_rex64,
551 rotlsi3_1_one_bit_zext, rotlsi3_1_zext, rotrdi3_1_one_bit_rex64,
552 rotrdi3_1_rex64, rotrsi3_1_one_bit_zext, rotrsi3_1_zext): New patterns.
553 (rotldi3, rotrdi3): New expanders.
555 Sun Mar 25 14:25:33 CEST 2001 Jan Hubicka <jh@suse.cz>
557 * i386.md (movstrsi): Move offline.
559 (strmovdi_rex64): New.
560 (strmov?i): Accept 64bit.
561 (strmov?i_rex64): New.
562 (strmov?i_rex_1): New.
563 (strmov?i_1): Disable for 64bit.
564 (rep_mov?i_rex64): New.
565 (rep_mov?i): Disable for 64bit.
566 (clrstrsi): Move offline.
567 (strset?i_rex64): New.
568 (strset?i: Accept 64bit.
569 (rep_stos?i): Disable for 64bit.
570 (rep_stos?i_rex64): New.
571 (strset?i_rex_1): New.
572 (strset?i_1): Disable for 64bit.
573 (cmpstrsi): Accept 64bit.
574 (cmpstrsi_nz_1): Rename to cmpstrqi_nz_1; Disable for 64bit.
575 (cmpstrqi_nz_rex_1): New.
576 (cmpstrsi_1): Rename to cmpstrqi_1; Disable for 64bit.
577 (strlensi): Move offline.
579 (strlenqi_1): Disable for 64bit; fix constraints.
580 (strlenqi_rex_1): New.
581 * i386.c (ix86_adjust_counter): New static function.
582 (ix86_zero_extend_to_Pmode): Likewise.
583 (ix86_expand_aligntest): Likweise.
584 (ix86_expand_strlensi_unroll_1): Make static; update for 64bit.
585 (ix86_expand_movstr): New global function.
586 (ix86_expand_clrstr): New global function.
587 (ix86_expand_strlen): New global function.
588 * i386-protos.h (ix86_expand_movstr, ix86_expand_clrstr,
589 ix86_expand_strlen): Declare.
590 (ix86_expand_strlensi_unroll_1): Delete.
592 Sat Mar 24 23:15:19 CET 2001 Jan Hubicka <jh@suse.cz>
594 * i386.md (cmpdi): Fix operand predicates.
595 (cmpdi_ccno_1_rex64, cmpdi_minus_1_rex64, cmpdi_1_rex64,
596 cmpdi_1_insn_rex64): New patterns.
597 (adddi3): Turn to expander.
598 (adddi3_1, adddi3_carry_rex64, adddi3_cc_rex64): New patterns.
599 (addsi3_carry_zext): New pattern.
600 (adddi_?_rex64): New patterns and splitters.
601 (addsi_?_zext): New patterns.
602 (subsi3_carry_zext): New pattern.
603 (subdi_?_rex64): New patterns and splitters.
604 (iorsi_?_zext): New patterns.
605 (iordi_?_rex64): New patterns and splitters.
606 (iorsi_?_zext): New patterns.
607 (iorsi_?_zext_imm): New patterns.
608 (xorsi_?_zext): New patterns.
609 (xordi_?_rex64): New patterns and splitters.
610 (xorsi_?_zext): New patterns.
611 (negdi*): New patterns.
612 (one_cmpldi*): Likewise.
613 (one_cmplsi*_zext, negsi*_zext): Likewise.
614 (testqi_ext_3_rex64): New pattern.
616 Sat Mar 24 21:13:28 CET 2001 Jan Hubicka <jh@suse.cz>
618 * i386-protos.h (ix86_split_long_move): Return void.
619 * i386.c (ix86_split_to_parts): Handle 64bit target.
620 (ix86_split_long_move): Likewise.
621 * i386.md (all calls to ix86_split_long_move): Update.
623 2001-03-23 Richard Henderson <rth@redhat.com>
625 * config/mips/iris4.h (ASM_OUTPUT_ASCII): Rename local variables
626 to avoid shadowing arguments.
628 2001-03-23 Jakub Jelinek <jakub@redhat.com>
630 * varasm.c (make_decl_rtl): Don't append var_labelno discriminator
631 to variable names where DECL_NAME is different from
634 2001-03-23 Jim Wilson <wilson@redhat.com>
636 * varasm.c (make_decl_rtl): Add TREE_PUBLIC check to abort test.
637 (assemble_alias): Call make_decl_rtl.
639 Fri Mar 23 16:59:08 2001 J"orn Rennecke <amylaar@redhat.com>
641 * stor-layout.c (layout_type): Give OFFSET_TYPE a MODE_INT type.
643 2001-03-23 Bryce McKinlay <bryce@albatross.co.nz>
645 * extend.texi: Document the "java_interface" attribute.
647 2001-03-22 Zack Weinberg <zackw@stanford.edu>
649 * mkconfig.sh: Use a subshell with redirected stdout,
650 instead of closing stdout and confusing commands that run
651 afterward. Throw away output of cmp.
653 2001-03-22 Gordon Sadler <gbsadler1@lcisp.com>
655 * Makefile.in (stage1_build): Pass CFLAGS to stage1_build.
657 Thu Mar 22 22:15:59 CET 2001 Jan Hubicka <jh@suse.cz>
659 * i386.md (zero_extendsidi2_32): Break out from ...
660 (zero_extendsidi2): ... here ; turn to expander.
661 (zero_extendsidi2_rex64): New.
662 (extendsidi2_32): Break out from ...
663 (extendsidi2): ... here ; turn to expander.
664 (extendsidi2_rex64): New.
665 (zero_extendhidi2, zero_extendqidi2, extendhidi2, extendqidi2): New.
666 (trunc?f?f splitters): Add 64bit versions.
668 Thu Mar 22 21:41:16 CET 2001 Jan Hubicka <jh@suse.cz>
670 * i386.md (pushsi, pushsi2_prologue): Disable.
671 (pushsi2_rex64): New.
672 (movabs?i_1_rex64, movabs?i_2_rex64): New.
673 (movqi_ext_1): Disable for 64bit.
674 (movqi_ext_1_rex64): New.
675 (pushdi2_rex64): New pattern, peep2s and splitter.
676 (pushdi2_prologue_rex64): New pattern.
677 (popdi1_epilogue_rex64, popdi1, movdi_xor_rex64, movdi_or_rex64):
679 (movdi splitters): Disable for 64bit.
680 (movdi_1_rex64): New pattern, peep2s and splitters.
681 (swapdi): New pattern.
682 (pushsf): Disable for 64bit.
683 (pushsf_rex64): New pattern and splitter.
684 (pushdf_nointeger): Disable for 64bit.
685 (pushdf_integer): Handle the 64bit case.
686 (pushtf): Likewise; update splitters.
688 2001-03-22 Richard Henderson <rth@redhat.com>
690 * mkconfig.sh: Include insn-flags.h.
691 * Makefile.in (CONFIG_H): Include insn-flags.h.
692 (lots of objects): Remove insn-codes.h and insn-flags.h.
694 * alias.c, bb-reorder.c, calls.c, do-loop.c, flow.c, haifa-sched.c,
695 integrate.c, jump.c, loop.c, predict.c, profile.c, reg-stack.c,
696 regmove.c, reorg.c, a29k/a29k.c, alpha/alpha.c, arc/arc.c, arm/arm.c,
697 avr/avr.c, clipper/clipper.c, convex/convex.c, d30v/d30v.c,
698 dsp16xx/dsp16xx.c, fr30/fr30.c, h8300/h8300.c, i370/i370.c,
699 i386/i386.c, i860/i860.c, ia64/ia64.c, m32r/m32r.c, m68hc11/m68hc11.c,
700 m68k/m68k.c, m88k/m88k.c, mcore/mcore.c, mn10200/mn10200.c,
701 mn10300/mn10300.c, ns32k/ns32k.c, pa/pa.c, pdp11/pdp11.c,
702 pj/pj.c, romp/romp.c, rs6000/rs6000.c, sh/sh.c, sparc/sparc.c,
703 v850/v850.c, vax/vax.c:
704 Don't include insn-flags.h.
706 * diagnostic.c, expr.h, reload.c, toplev.c:
707 Don't include insn-codes.h.
709 * builtins.c, combine.c, except.c, explow.c, expmed.c, expr.c,
710 final.c, function.c, optabs.c, recog.c, reload1.c, stmt.c,
711 c4x/c4x.c, i960/i960.c, mips/mips.c:
712 Don't include insn-codes.h or insn-flags.h.
714 * genemit.c, genopinit.c, genoutput.c: Don't include insn-codes.h
715 or insn-flags.h in the generated code.
716 * genflags.c (gen_proto): Use "struct rtx_def *" instead of "rtx".
717 (main): Forward declare struct rtx_def.
719 2001-03-22 Joseph S. Myers <jsm28@cam.ac.uk>
721 * invoke.texi (-ffast-math): Remove duplicate line about
724 * gcc.texi: Remove more obsolete documentation of bugs and
725 installation problems.
727 2001-03-21 Kazu Hirata <kazu@hxi.com>
729 * config/h8300/h8300.md (movsi_h8300hs): Split the 2nd alternative
732 2001-03-20 Jason Merrill <jason@redhat.com>
734 * collect2.c (is_ctor_dtor): Always use '_' in the file fn names,
736 * tree.c (FILE_FUNCTION_FORMAT): Likewise.
737 * varasm.c (CHKR_PREFIX): Likewise.
739 Wed Mar 21 14:27:11 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
741 * gcse.c (hash_scan_set): An expression is not anticipatible if it
742 is part of a multi-SET insn.
744 * cse.c (find_comparison_args): Remove previous change.
745 * ifcvt.c (noce_process_if_block): When moving an insn, remove any
748 * config/i386/i386.md (conditional_trap): Remove warning.
750 * recog.c (push_operand): Fix error in last change that caused
751 undefined symbol on many targets.
753 * sdbout.c: #include ggc.h.
754 (sdbout_init): Move to end of file.
755 Call ggc_add_tree_root for anonymous_types.
756 (sdbout_symbol): Use DECL_NAME for local, not DECL_ASSEMBLER_NAME.
757 (sdbout_one_type): Use DECL_NAME for field name.
758 * Makefile.in (sdbout.o): Show includes ggc.h.
760 Wed Mar 21 20:33:26 CET 2001 Jan Hubicka <jh@suse.cz>
762 * i386.c (override_options): Default ix86_regparm to REGPARM_MAX.
763 (override_options): Use properlimits for preferred_stack_boundary.
764 (ix86_valid_type_attribute_p): Disable stdcall and cdecl attributes
766 (ext_register_operand): Accept DImode.
767 (load_pic_register): Abort on 64bit.
768 (gen_push): Use Pmode instead of SImode.
769 (ix86_save_reg): Pic reg is never used on 64bit.
770 (ix86_expand_prologue): Likewise.
771 (ix86_emit_save_regs): Use Pmode instead of SImode.
772 (legitimate_address_p): Check displacement for 64bit.
773 (print_operand): Avoid outputting of (%rip) on 64bit.
774 (print_operand_address): Output (%rip) where possible.
775 (split_di): Abort on 64bit registers.
776 (ix86_expand_branch): DImode comparison is simple for x86_64.
777 (memory_address_length): Recognize memory addresses formed using
779 (ix86_data_alignment, ix86_local_alignment): Align arrays to 16 bytes
781 * i386.h (TARGET_USE_SAHF): Disable for 64bit.
783 Wed Mar 21 18:51:19 CET 2001 Jan Hubicka <jh@suse.cz>
785 * recog.c (push_operand): Recognize new format of push instructions.
787 Wed Mar 21 10:53:57 CET 2001 Jan Hubicka <jh@suse.cz>
789 * i386.md (pushqi1): New.
790 * i386-protos.h (x86_64_general_operand, x86_64_szext_general_operand,
791 x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
792 x86_64_immediate_operand, x86_64_immediate_operand,
793 x86_64_zext_immediate_operand): Declare.
794 * i386.c (x86_64_general_operand, x86_64_szext_general_operand,
795 x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
796 x86_64_immediate_operand, x86_64_immediate_operand,
797 x86_64_zext_immediate_operand): define.
798 * i386.h (PREDICATE_CODES): Add new predicates.
800 Wed Mar 21 10:25:13 CET 2001 Jan Hubicka <jh@suse.cz>
802 * i386.md (pophi1, popqi1, pushqi1): Remove.
804 * expr.c (emit_single_push_insn): New function.
805 (move_by_pieces): Accept NULL as destination for push instructions.
806 (gen_push_operand): Kill.
807 (emit_push_insn): Pass NULL when pushing; avoid updating of
809 * expr.h (gen_push_operand): Kill.
811 Tue Mar 20 20:15:06 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
813 * rtl.texi (COMPARE): Clarify documentation and reference section
816 2001-03-20 Stan Shebs <shebs@apple.com>
818 * objc/objc-act.c (get_static_reference): Use NULL_TREE.
819 (get_object_reference): Ditto.
820 (error_with_ivar): Use error_with_file_and_line.
821 (warn_with_method): Use warning_with_file_and_line.
823 2001-03-20 Tom Tromey <tromey@redhat.com>
825 * libgcc-std.ver: Added __fixunssfsi and __fixunsdfsi.
827 2001-03-20 Mark Mitchell <mark@codesourcery.com>
829 * tree.c (set_decl_assembler_name): Set DECL_ASSEMBLER_NAME for
830 variables that are TREE_PUBLIC, even if not TREE_STATIC.
832 2001-03-20 DJ Delorie <dj@redhat.com>
834 * Makefile.in (install-libgcc): Pass complete list of variables.
835 (install-multilib): Ditto.
837 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
839 * config/i386/cygwin.h: Declare ctor_section, dtor_section
840 drectve_section, switch_to_section.
842 * winnt.c: Declare functions associated_type, gen_stdcall_suffix,
843 i386_pe_dllexport_p, i386_pe_dllimport_p, i386_pe_mark_dllexport,
844 i386_pe_mark_dllimport.
846 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
848 * config/i386/cygwin.h: Include <stdio.h> Declare and constify
851 * config/i386/winnt.c: Include "tm_p.h" and "toplev.h" Constify
852 i386_pe_* functions with char * arguments.
854 2001-03-20 Alexandre Oliva <aoliva@redhat.com>
856 * config/sh/sh.md (movsf_ie): Fix output patterns for fpul load
858 (movsi_ie): Introduce fpul store.
860 2001-03-20 Alan Modra <alan@linuxcare.com.au>
862 * Makefile.in (OBJS): Remove hashtab.o.
864 2001-03-19 Stan Shebs <shebs@apple.com>
866 * objc/objc-act.c (maybe_objc_method_name): Remove, never called.
867 * c-lang.c (maybe_objc_method_name): Ditto.
868 * c-tree.h (maybe_objc_method_name): Remove decl.
870 2001-03-19 Tom Tromey <tromey@redhat.com>
872 * gcc.c (init_gcc_specs): Fix comment.
874 2001-03-19 Mark Mitchell <mark@codesourcery.com>
876 Compute DECL_ASSEMBLER_NAME lazily.
877 * tree.h (DECL_ASSEMBLER_NAME): Compute it lazily.
878 (DECL_ASSEMBLER_NAME_SET_P): New macro.
879 (SET_DECL_ASSEMBLER_NAME): Likewise.
880 (COPY_DECL_ASSEMBLER_NAME): Likewise.
881 (set_decl_assembler_name): Declare.
882 (lang_set_decl_assembler_name): Likewise.
883 * tree.c (lang_set_decl_assembler_name): New variab.e
884 (set_decl_assembler_name): New function.
885 (init_obstacks): Set lang_set_decl_assembler_name.
886 (build_decl): Don't set DECL_ASSEMBLER_NAME.
887 * c-decl.c (duplicate_decls): Use SET_DECL_ASSEMBLER_NAME,
888 COPY_DECL_ASSEMBLER_NAME, etc. Don't set DECL_ASSEMBLER_NAME
889 where it's not necessary.
890 (builtin_function): Likewise.
891 (finish_decl): Likewise.
892 * dbxout.c (dbxout_type_methods): Likewise.
893 * ggc-common.c (ggc_mark_trees): Likewise.
894 * profile.c (output_func_start_profiler): Likewise.
895 * varasm.c (make_decl_rtl): Likewise.
897 * cse.c (find_comparison_args): Update documentation. Fix
898 mishandling of COMPARE operations.
900 * tree.def (ABS_EXPR): Add documentation.
901 * fold-const.c (fold): Improve folding of ABS_EXPRs.
903 2001-03-19 Zack Weinberg <zackw@stanford.edu>
905 * Makefile.in (hash.o): Depend on $(GCONFIG_H), not $(CONFIG_H).
907 2001-03-19 Jakub Jelinek <jakub@redhat.com>
909 * crtstuff.c (init_dummy): Use CRT_END_INIT_DUMMY if defined.
910 Remove ia32 linux PIC kludge and move it...
911 * config/i386/linux.h (CRT_END_INIT_DUMMY): ...here.
913 Mon Mar 19 18:53:54 CET 2001 Jan Hubicka <jh@suse.cz>
915 * i386.md (absdf2 expander): Fix 64bit case.
917 2001-03-19 Brad Lucier <lucier@math.purdue.edu>
919 * Makefile.in: Have splay-tree.o depend on $(GCONFIG_H).
921 2001-03-16 Andrew Haley <aph@cambridge.redhat.com>
923 * config/ia64/libgcc-ia64.ver: Add __ia64_backtrace.
925 2001-03-19 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
927 * README.X11: Remove obsolete file.
929 2001-03-18 Anthony Green <green@redhat.com>
931 * config/pj/pj.h: Remove some trailing commas.
932 (ASM_SPEC): Use -EB and -EL, not -mb and -ml.
934 2001-03-18 Richard Henderson <rth@redhat.com>
936 * defaults.h (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Move from ...
938 * combine.c, expr.c, final.c, function.c toplev.c: Don't provide
939 defaults for them here.
941 2001-03-17 Anthony Green <green@redhat.com>
943 * config/pj/lib1funcs.S: Fix broken comment.
944 * config/pj/pj.h (LOCAL_LABEL_PREFIX): Prefix internal
947 2001-03-18 Joseph S. Myers <jsm28@cam.ac.uk>
949 * gcc.texi: Remove obsolete information relating to build and
950 installation problems with enquire or the Pyramid C compiler.
952 2001-03-17 Richard Henderson <rth@redhat.com>
954 * dwarf2out.c (queue_reg_save): New.
955 (flush_queued_reg_saves, clobbers_queued_reg_save): New.
956 (dwarf2out_frame_debug_expr): Call queue_reg_save instead of
958 (dwarf2out_frame_debug): Call flush_queued_reg_saves when needed.
959 (cfa, cfa_store, cfa_temp): Make static.
960 * final.c (final_scan_insn): Always call dwarf2out_frame_debug.
962 2001-03-17 Richard Henderson <rth@redhat.com>
964 * integrate.h (struct inline_remap): Add local_return_label.
965 * integrate.c (expand_inline_function): Initialize it and emit
966 it after copy_insn_notes.
967 (copy_insn_list): Don't store local_return_label here.
968 (copy_insn_notes): New function split out from copy_insn_list.
970 2001-03-17 Richard Henderson <rth@redhat.com>
972 * dwarf2out.c (lookup_filename): Emit .file if the assembler
973 is generating .debug_line.
974 (dwarf2out_init): Add main_input_filename to the file table first.
975 * configure.in (as_dwarf2_debug_line): Test with file number 1
976 instead of file number 0.
978 Sat Mar 17 11:52:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
980 * combine.c (undobuf): Remove field previous_undos; all refs deleted.
981 (gen_rtx_combine): Deleted; all references changed as appropriate.
982 (gen_unary): Deleted; all refs changed to call simplify_gen_unary.
984 * print-tree.c (print_node): Print DECL_NONADDRESSABLE_P.
986 2001-03-17 David Billinghurst <David.Billinghurst@riotinto.com>
988 * config/i386/xm-cygwin.h: Include <sys/cygwin.h. Remove unused
991 2001-03-16 Jim Wilson <wilson@redhat.com>
993 * config/ia64/ia64.c (ia64_compute_frame_size): If reg_fp is zero,
994 then set it to LOC_REG (79) instead of aborting.
996 2001-03-16 Phil Edwards <pme@sources.redhat.com>
998 * gccbug.in: Remove high priority.
1000 2001-03-16 Richard Henerson <rth@redhat.com>
1002 * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): Substitute leading od
1003 output with a space instead of deleting it.
1004 * configure: Regenerate.
1006 2001-03-16 Zack Weinberg <zackw@stanford.edu>
1008 * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): New utility macro which
1009 handles the gory details of converting an object file into
1010 something that's safe to grep.
1011 (gcc_AC_C_COMPILE_BIGENDIAN): Rename to
1012 gcc_AC_C_COMPILE_ENDIAN. Use gcc_AC_EXAMINE_OBJECT. Put
1013 newlines at either end of the string we're looking for.
1014 Make 'checking ...' message less stilted.
1015 (gcc_AC_C_FLOAT_FORMAT): Use gcc_AC_EXAMINE_OBJECT. Handle
1016 ARM in-memory layout and its hypothetical converse. Don't
1017 define HOST_FLOAT_WORDS_BIG_ENDIAN unless it's different from
1018 HOST_WORDS_BIG_ENDIAN.
1020 * configure.in: Adjust for renamed macro. Move
1021 gcc_AC_C_FLOAT_FORMAT below gcc_AC_C_COMPILE_ENDIAN.
1022 * configure, config.in: Regenerate.
1024 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
1026 * fixinc/Makefile.in: Set SHELL.
1028 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
1030 * fixinc/fixincl.c (fix_with_system): Quote file names before
1031 passing them to shell.
1033 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
1035 * Makefile.in: Use fix-header$(build_exeext) instead
1038 2001-03-16 Richard Henderson <rth@redhat.com>
1040 * dwarf2out.c: Revert most of 2000-11-25 and 2001-01-24 changes.
1041 (LN_PROLOG_AS_LABEL, LN_PROLOG_END_LABEL): New.
1042 (size_of_line_prolog): Remove.
1043 (output_line_info): Compute prologue size via label difference.
1044 (lookup_filename): Return "unspecified" for <internal> and <built-in>.
1046 * configure.in (HAVE_AS_DWARF2_DEBUG_LINE): Require that the
1047 assembler error when redefining file numbers.
1048 * config.in, configure: Rebuild.
1050 * dwarf2asm.c (dw2_asm_output_data): Mask data to the output size.
1051 (dw2_asm_output_data_uleb128): Use space not tab after .uleb128.
1052 (dw2_asm_output_delta_uleb128): Likewise.
1053 (dw2_asm_output_delta_sleb128): Similarly.
1054 (dw2_asm_output_data_sleb128): Similarly. Print number in decimal.
1056 2001-03-16 Michael Meissner <meissner@redhat.com>
1058 * mips.h (BITMASK_HIGH): Replacement for 0x80000000 that avoids
1060 (BITMASK_UPPER16): Replacement for 0xffff0000 that avoids
1062 (BITMASK_LOWER16): Replacement for 0x0000ffff.
1064 * mips.c (save_restore_insns): Use BITMASK_UPPER16/BITMASK_LOWER16
1065 instead of 0xffff0000/0x0000ffff to avoid warnings about constants
1066 being unsigned in ISO C and signed in traditional.
1067 (expand_prologue): Ditto.
1068 (RA_MASK): Use BITMASK_HIGH to avoid warnings.
1070 * mips.md (divmodsi4,divmodsi4): Use BITMASK_HIGH to avoid
1072 (divsi3,divdi3): Ditto.
1073 (modsi3,moddi3): Ditto.
1074 (fix_truncdfsi2,fix_truncdfdi2): Ditto.
1075 (fix_truncsfsi2,fix_truncsfdi2): Ditto.
1076 (movsi split): Use BITMASK_UPPER16/BITMASK_LOWER16 to avoid
1079 Fri Mar 16 14:47:57 CET 2001 Jan Hubicka <jh@suse.cz>
1081 * i386.c (ix86_expand_fp_movcc): Do not attempt to construct
1082 SSE based conditional moves on LTGT/UNEQ conditions;
1083 Canonicalize EQ to NE.
1084 * i386.md (sse_mov?fcc): Disallow EQ and NE in IEEE mode.
1085 (sse_mov?fcc_ne): New.
1087 * i386-protos.h (sign_extended_value, zero_extended_value): Declare.
1089 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
1091 * config/sh/sh.c (sh_expand_prologue): Insns that set up the PIC
1092 register may be dead.
1094 2001-03-16 Brad Lucier <lucier@math.purdue.edu>
1096 * Makefile.in (hash.o): Depend on CONFIG_H.
1098 2001-03-15 Mark Mitchell <mark@codesourcery.com>
1100 * dwarf2out.c (rtl_for_decl_location): Use DECL_RTL_IF_SET.
1102 2001-03-15 Richard Henderson <rth@redhat.com>
1104 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): New.
1105 (ASM_OUTPUT_DWARF_PCREL): New.
1106 * config/ia64/hpux.h (ASM_OUTPUT_DWARF_OFFSET): Remove.
1108 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
1110 * cppfiles.c (stack_include_file): Use MAX of sysp.
1112 2001-03-15 Steve Ellcey <sje@cup.hp.com>
1114 * config.gcc (ia64*-*-hpux*): New case.
1115 * config/ia64/hpux.h: New file for HP-UX support.
1116 * config/ia64/t-hpux: New file for HP-UX support.
1118 2001-03-16 Bruce Korb <bkorb@gnu.org>, Alexandre Oliva <aoliva@redhat.com>
1120 * fixinc/inclhack.def (irix_stdio_va_list): New.
1121 * fixinc/fixincl.x: Rebuilt.
1123 2001-03-15 Richard Henderson <rth@redhat.com>
1125 * dwarf2asm.c (dw2_asm_output_offset): Use ASM_OUTPUT_DWARF_OFFSET
1126 if provided by the target.
1127 (dw2_asm_output_pcrel): Likewise with ASM_OUTPUT_DWARF_PCREL.
1128 (dw2_asm_output_addr): New.
1129 * dwarf2asm.h (dw2_asm_output_addr): Declare.
1130 * dwarf2out.c (output_cfi): Use it for program addresses.
1131 (output_call_frame_info, output_die): Likewise.
1132 (output_aranges, output_line_info): Likewise.
1134 2001-03-15 Bruce Korb <bkorb@gnu.org>
1136 * gcc.c(main): make more rigorous
1137 * collect2.c(main): guard against ignoring SIGCHLD
1138 * protoize.c(main): ditto
1139 * gcc/fixinc/fixincl.c(initialize): ditto
1141 2001-03-15 Mark Mitchell <mark@codesourcery.com>
1143 * sdbout.c (sdbout_symbol): Use DECL_RTL_SET_P, SET_DECL_RTL.
1144 (sdbout_parms): Likewise.
1146 Thu Mar 15 12:57:14 2001 Jeffrey A Law (law@cygnus.com)
1148 * reload1.c (reload_cse_simplify_set): For LOAD_EXTEND_OP, do not
1149 "widen" a destination that is already wider than a word. Also do
1150 not widen if LOAD_EXTEND_OP is NIL for the given mode.
1152 2001-03-15 Bernd Schmidt <bernds@redhat.com>
1154 * config/ia64/ia64.c (ia64_sched_reorder): Remove debugging aids.
1156 Thu Mar 15 11:30:31 EST 2001 John Wehle (john@feith.com)
1158 * i960.h (ROUND_TYPE_SIZE_UNIT): Fix typo.
1160 Thu Mar 15 11:24:29 EST 2001 John Wehle (john@feith.com)
1162 * i960.h (i960_maxbitalignment,
1163 i960_last_maxbitalignment): Declare.
1164 * i960.c (i960_maxbitalignment,
1165 i960_last_maxbitalignment): Make global.
1166 (process_pragma): Delete.
1167 (i960_pr_align, i960_pr_noalign): Move from here ...
1168 * i960-c.c: ... to this new file.
1169 * t-960bare (i960-c.o): New rule.
1170 * t-vxworks960 (i960-c.o): Likewise.
1171 * config.gcc (i960-*-*): Define c_target_objs and
1174 2001-03-15 Bernd Schmidt <bernds@redhat.com>
1176 * cselib.c (hash_rtx): For REG and MEM, just use value of expression
1177 without adding in rtx code and mode.
1179 * alias.c (init_alias_analysis): Don't use any rtx whose value
1180 varies as a known value.
1181 Delete a superfluous test.
1183 * config/ia64/ia64.c (maybe_rotate): New function, broken out of
1185 (ia64_sched_reorder): Call maybe_rotate; also rotate after
1186 scheduling a stop bit.
1187 (ia64_emit_nops): Correctly handle ASMs.
1189 2001-03-15 Mark Mitchell <mark@codesourcery.com>
1191 * varasm.c (assemble_variable): Use DECL_RTL_SET_P.
1193 2001-03-15 Neil Booth <neil@daikokuya.demon.co.uk>
1195 * cpp.texi: Update documentation for -include and -imacros.
1196 * cppfiles.c (struct include_file): Remove "defined" memeber.
1197 (find_or_create_entry): Make a copy of the file name, and
1199 (open_file): Update to ensure we use the simplified filename.
1200 (stack_include_file): Don't set search_from.
1201 (cpp_included): Don't simplify the path name here.
1202 (find_include_file): New prototype. Call search_from to
1203 get the start of the "" include chain. Don't simplify the
1205 (_cpp_execute_include): New prototype. Move diagnostics to
1206 do_include_common. Update.
1207 (_cpp_pop_file_buffer): Don't set defined.
1208 (search_from): New prototype. Use the preprocessor's cwd
1209 for files included from the command line.
1210 (read_name_map): Don't simplify the pathname here.
1211 * cpphash.h (enum include_type): New.
1212 (struct buffer): Delete search from. New search_cached.
1213 (_cpp_execute_include): Update prototype.
1214 * cppinit.c (do_includes): Use _cpp_execute_include.
1215 * cpplib.c (do_include_common): New function.
1216 (do_include, do_include_next, do_import): Use it.
1218 2001-03-14 Mark Mitchell <mark@codesourcery.com>
1220 * varasm.c (assemble_alias): Use DECL_ASSEMBLER_NAME, not the
1221 contents of the RTL, to determine the name of the object.
1223 2001-03-14 Mark Mitchell <mark@codesourcery.com>
1225 * tree.h (DECL_RTL): Allocate RTL lazily.
1226 (SET_DECL_RTL): New macro.
1227 (DECL_RTL_SET_P): Likewise.
1228 (COPY_DECL_RTL): Likewise.
1229 (DECL_RTL_IF_SET): Likewise.
1230 * varasm.c (make_decl_rtl): Add assertions about the kind of
1231 declaration we are processing.
1232 * c-decl.c (duplicate_decls): Use COPY_DECL_RTL, DECL_RTL_SET_P, etc.
1233 (start_decl): Likewise.
1234 (finish_decl): Likewise.
1235 * c-semantics.c (emit_local_var): Likewise.
1236 * calls.c (expand_call): Likewise.
1237 * dbxout.c (dbxout_symbol): Likewise.
1238 * emit-rtl.c (unshare_all_rtl): Likewise.
1239 (unshare_all_decls): Likewise.
1240 (reset_used_decls): Likewise.
1241 * expr.c (store_constructor): Likewise.
1242 (safe_from_p): Likewise.
1243 (expand_expr): Likewise.
1244 * function.c (put_var_into_stack): Likewise.
1245 (instantiate_decls_1): Likewise.
1246 (assign_parms): Likewise.
1247 (expand_function_start): Likewise.
1248 (expand_function_end): Likewise.
1249 * ggc-common.c (gcc_mark_trees): Likewise.
1250 * integrate.c (function_cannot_inline_p): Likewise.
1251 (copy_decl_for_inlining): Likewise.
1252 (expand_inline_function): Likewise.
1253 (integrate_parm_decls): Likewise.
1254 (integrate_decl_tree): Likewise.
1255 * print-tree.c (print_node): Likewise.
1256 * reg-stack.c (stack_result): Likewise.
1257 * stmt.c (label_rtx): Likewise.
1258 (expand_return): Likewise.
1259 (expand_decl): Likewise.
1260 (expand_decl_cleanup): Likewise.
1261 (expand_anon_union_decl): Likewise.
1262 * toplev.c (check_global_declarations): Likewise.
1263 (rest_of_decl_compilation): Likewise.
1264 * tree.c (simple_cst_equal): Likewise.
1265 * objc/objc-act.c (generate_static_references): Likewise.
1267 2001-03-14 Zack Weinberg <zackw@stanford.edu>
1269 * aclocal.m4 (gcc_AC_C_CHARSET, gcc_AC_C_COMPILE_BIGENDIAN,
1270 gcc_AC_C_FLOAT_FORMAT): New macros.
1271 * configure.in: Add AC_PROG_CPP after CC tests;
1272 gcc_AC_C_CHARSET and gcc_AC_C_FLOAT_FORMAT after the sizeof
1273 tests; and gcc_AC_C_COMPILE_BIGENDIAN after gcc_AC_C_CHAR_BIT.
1274 * configure, config.in: Regenerate.
1276 * config/a29k/xm-a29k.h, config/arc/xm-arc.h,
1277 config/arm/xm-arm.h, config/c4x/xm-c4x.h,
1278 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
1279 config/i370/xm-linux.h, config/i370/xm-oe.h,
1280 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
1281 config/m68k/xm-m68k.h, config/mips/xm-mips.h,
1282 config/pa/xm-linux.h, config/pa/xm-pa.h,
1283 config/rs6000/xm-lynx.h, config/rs6000/xm-mach.h,
1284 config/rs6000/xm-rs6000.h, config/rs6000/xm-sysv4.h,
1285 config/sparc/xm-sparc.h, config/vax/xm-vax.h,
1286 config/we32k/xm-we32k.h: Delete.
1288 * config/i370/xm-mvs.h, config/m88k/m88k.h,
1289 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
1290 config/vax/xm-vms.h: Don't define any of:
1291 HOST_FLOAT_FORMAT, HOST_EBCDIC, HOST_WORDS_BIG_ENDIAN
1293 * config/rs6000/aix.h: Define COLLECT_EXPORT_LIST here.
1295 * config.gcc: Remove references to deleted files.
1296 (i370-*-opened*): Use i370/xm-mvs.h (which now defines only
1297 FATAL_EXIT_CODE, which is the same between oe and mvs).
1299 2001-03-14 DJ Delorie <dj@redhat.com>
1300 Vladimir Makarov <vmakarov@redhat.com>
1302 * config/i960/i960.c (i960_function_prologue): Compute size of
1303 frame according to number of registers actually saved there.
1305 2001-03-14 Richard Henderson <rth@redhat.com>
1307 * expr.c (emit_move_insn_1): Fix else if around #endif.
1309 Wed Mar 14 22:39:12 CET 2001 Jan Hubicka <jh@suse.cz>
1312 * md.texi (machine constraints): Document 'Q', 'R', 'e' and 'Z'
1315 Wed Mar 14 22:26:10 CET 2001 Jan Hubicka <jh@suse.cz>
1317 * i386.c (ix86_cmodel_string, ix86_cmodel): Define.
1318 (override_options): Parse cmodel string.
1319 (x86_64_sign_extended_value, x86_64_zero_extended_value): New.
1320 * i386.h (TARGET_OPTIONS): Add "cmodel".
1321 (EXTRA_CONSTRAINT): Recognize 'e' and 'Z'.
1323 (ix86_cmodel_string, ix86_cmodel): Declare.
1325 Wed Mar 14 22:26:54 CET 2001 Jan Hubicka <jh@suse.cz>
1328 * i386.h (GENERAL_REG_P): Add missing REG_P.
1330 2001-03-14 Laurynas Biveinis <lauras@softhome.net>
1332 * configure.in: Use $gcc_cv_as instead of $as.
1333 * configure: Regenerated.
1335 2001-03-14 Neil Booth <neil@daikokuya.demon.co.uk>
1337 * cppfiles.c (stack_include_file): Only increase the include
1338 count if we actually process the file properly, as opposed
1339 to treating it as length zero. Only call read_include_file
1340 if not DO_NOT_REREAD. Handle the -H include file output
1342 (read_include_file): Remove now redundant DO_NOT_REREAD check.
1343 (cpp_included, find_include_file): Simplify pathnames after
1344 remapping them. If remapping, don't use the remapped file
1345 name's buffer as our scratch buffer.
1346 (cpp_pop_file_buffer): Replace the multiple include macro
1347 only if it isn't yet set.
1348 (read_name_map): Simplify remapped names when reading in.
1349 (remap_filename): Move code to code path that uses it.
1350 (_cpp_simplify_pathname): Return the input pointer.
1351 * cpphash.h (_cpp_simplify_pathname): Update prototype.
1353 2001-03-14 Mark Mitchell <mark@codesourcery.com>
1355 * expr.c (expand_expr): Revove bogus conditional.
1357 Wed Mar 14 19:29:50 CET 2001 Jan Hubicka <jh@suse.cz>
1359 * expr.c (emit_move_insn_1): Guard PUSH_ROUNDING use by ifdef.
1361 2001-03-14 Jakub Jelinek <jakub@redhat.com>
1363 * reg-stack.c (stack_result): Unconditionally use
1364 FUNCTION_OUTGOING_VALUE resp. FUNCTION_VALUE.
1366 Wed Mar 14 16:36:25 CET 2001 Jan Hubicka <jh@suse.cz>
1368 * expr.c (emit_move_insn_1): Split push of complex value when
1369 no suitable push instruction exist.
1371 * i386.md (QImode move/add/shift patterns): Use ANY_QI_REG_P
1372 instead of QI_REG_P.
1374 Tue Mar 13 22:22:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1376 * alias.c (handled_component_p, can_address_p): New functions.
1377 (get_alias_set): Use them.
1379 2001-03-13 Jim Wilson <wilson@redhat.com>
1381 * config/ia64/ia64.c (find_gr_spill): Subtract frame_pointer_needed
1382 from 80 in try_locals code.
1383 (ia64_expand_prologue): Add comment pointing to find_gr_spill change.
1385 2001-03-13 Zack Weinberg <zackw@stanford.edu>
1387 * aclocal.m4 (gcc_AC_COMPILE_CHECK_SIZEOF, gcc_AC_C_CHAR_BIT,
1388 gcc_AC_C_LONG_LONG): New.
1389 * configure.in: Use them. Probe the size of short, int, long,
1390 and long long/__int64 if we have them. Move all the AC_C_*
1391 checks together, except gcc_AC_C_CHAR_BIT which has to go
1392 after AC_CHECK_HEADERS(limits.h).
1393 Take hwint.h out of host_xm_file and build_xm_file.
1395 * hwint.h: Unconditionally define HOST_BITS_PER_CHAR,
1396 HOST_BITS_PER_SHORT, HOST_BITS_PER_INT, HOST_BITS_PER_LONG,
1397 and HOST_BITS_PER_LONGLONG in terms of SIZEOF_* and CHAR_BIT.
1398 Move the HOST_WIDEST_INT setup logic here from system.h.
1399 Provide HOST_WIDEST_INT even if HOST_BITS_PER_LONGLONG is not
1401 * system.h: Include hwint.h after limits.h. HOST_WIDEST_INT
1402 is now handled by hwint.h.
1404 * config/alpha/xm-alpha-interix.h, config/alpha/xm-vms.h,
1405 config/c4x/xm-c4x.h, config/i370/xm-oe.h,
1406 config/ia64/xm-ia64.h: Don't define any of:
1407 HOST_BITS_PER_LONG, HOST_BITS_PER_CHAR, HOST_BITS_PER_SHORT,
1408 HOST_BITS_PER_LONGLONG.
1410 * config/alpha/xm-alpha.h, config/dsp16xx/xm-dsp16xx.h,
1411 config/h8300/xm-h8300.h, config/mips/iris6.h,
1412 config/mn10200/xm-mn10200.h, config/pa/xm-pa64hpux.h,
1413 config/sparc/xm-sp64.h: Delete.
1414 * config.gcc: Remove references to deleted files.
1416 * config/arm/xm-arm.h, config/mips/xm-mips.h: Don't define
1417 HOST_FLOAT_FORMAT to IEEE_FLOAT_FORMAT.
1418 * config/i370/xm-linux.h: Clarify floating-point situation in
1421 2001-03-13 Neil Booth <neil@daikokuya.demon.co.uk>
1423 * cppfiles.c (NO_INCLUDE_PATH): New macro.
1424 (find_include_file): Decide here which part of the include
1425 chain to start the search. Complain about an empty include
1426 chain in all cases apart from an abolsute file name.
1427 (_cpp_execute_include): Don't choose the search chain here.
1428 Don't call handle_missing_include in the case of an empty
1430 (_cpp_compare_file_date): Don't choose the search chain here.
1431 * cpplib.c (do_include_next): Move the in-main-file diagnostic
1432 here from _cpp_execute_include. Behave like #include if
1433 we're in the main file.
1435 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1437 * system.h (malloc, realloc, calloc, strdup): Only poison these
1438 tokens when IN_GCC is defined.
1440 Tue Mar 13 14:38:44 CET 2001 Jan Hubicka <jh@suse.cz>
1442 * i386.md (abs?f expander): Support SSE case.
1443 (abd?f_if): Add new "USE"; add splitters.
1445 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1447 * cpp.texi (poison): Explain the macro expansion exception.
1449 2001-03-13 Jakub Jelinek <jakub@redhat.com>
1451 * expr.c (store_expr): Add dont_store_target. If temp is already in
1452 target before copying to reg, don't store it into target again.
1454 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
1456 * cppinternals.texi: Update for file handling.
1458 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
1460 * emit-rtl.c (remove_unnecessary_notes): Reverse Richard Kenner's
1461 2001-02-24 which broke building the Java library.
1462 * function.c (identify_blocks): Likewise.
1463 (all_blocks): Likewise.
1464 * integrate.c (integrate_decl_tree): Likewise.
1465 * print-tree.c (print_node): Likewise.
1466 * tree.h (BLOCK_NUMBER): Likewise.
1467 (struct tree_block): Likewise.
1469 2001-03-12 David Edelsohn <edelsohn@gnu.org>
1471 * rs6000/aix51.h (CPP_SPEC, CPLUSPLUS_CPP_SPEC): Fix typo in
1472 __WCHAR_TYPE__ definition.
1473 (WCHAR_TYPE_SIZE): #undef before #define.
1475 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
1477 * cppfiles.c: Update comments.
1478 (destroy_include_file_node): Rename destroy_node.
1479 (find_or_create_entry): New function.
1480 (open_file, _cpp_fake_include): Use it.
1481 (handle_missing_header): New function, broken out of
1482 _cpp_execute include. Don't segfault if there is no
1483 system or quoted path.
1484 (_cpp_execute_include): Use handle_missing_header.
1486 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
1488 * jump.c (reversed_comparison_code_parts): Reverse Jan Hubricka's
1489 2001-02-28 patch because it breaks arm-linux and mips-sgi-irix6.5.
1491 Mon Mar 12 14:05:32 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1493 * flow.c (insn_dead_p): Don't consider two memrefs equivalent
1494 unless anti_dependence says they are.
1495 * alias.c (objects_must_conflict): If neither has a type specified,
1498 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
1499 David Billinghurst <David.Billinghurst@riotinto.com>
1501 * config/mips/iris5.h: Change WCHAR_TYPE to int.
1503 Mon Mar 12 16:32:21 CET 2001 Jan Hubicka <jh@suse.cz>
1505 * i386.md (trunctfdf2_2): Rename missnamed pattern.
1506 (*_one_bit): Remove type on the match_operand in attributes.
1508 Mon Mar 12 16:27:56 CET 2001 Jan Hubicka <jh@suse.cz>
1510 * i386.c: Commit forgotten hunk in previous patch.
1511 (regclass_map): Add extended registers.
1512 (dbx_register_map): Add missing frame register.
1514 Mon Mar 12 15:41:08 CET 2001 Jan Hubicka <jh@suse.cz>
1516 * i386.md (all XFmode patterns except swapxf): Disable for 64bit.
1518 * i386.md (x86_sahf_1): Disable for 64bit.
1519 (popsi*, pophi*): Likewise.
1520 (pushqi, pushhi): Likewise.
1521 (movdi, pushdi): Likewise.
1522 (zero extend DImode splitter): Likewise.
1523 (adddi, minusdi splitter): Likewise.
1524 (umulsidi): Likewise.
1526 (mulsidi): Disable for 64bit
1527 (lshift:DI/ashift:DI): Disable for 64bit.
1528 (loop patterns): Likewise.
1529 (call_pop, call_value_pop expanders and patterns): Likewise.
1530 (prologue_get_pc): Likewise.
1532 (fcmovDI pattern and splitter): Likewise.
1533 (movdfcc_1_rex64): New.
1535 Mon Mar 12 15:16:36 CET 2001 Jan Hubicka <jh@suse.cz>
1537 * i386.h (VALID_FP_MODE_P): XFmode is invalid on x86_64.
1538 (MODES_TIEABLE_P): QImodes and DImodes are tiable on x86_64.
1539 (HARD_REGNO_CALLER_SAVE_MODE): Save QImodes as QImodes for x86_64.
1540 (STATIC_CHAIN_REGNUM): Set to r10 for x86_64.
1541 (PIC_OFFSET_TABLE_REGNUM): Set to INVALID_REGNUM for x86_64.
1542 (LIMIT_RELOAD_CLASS): Avoid limiting of QImodes on x86_64.
1543 (SECONDARY_OUTPUT_RELOAD_CLASS): No need to QImodes.
1544 (PUSH_ROUNDING): x86_64 rounds to 64bits.
1545 (CONSTANT_ADDRESS_P): Accept CONST_DOUBLE.
1546 (REGPARM_MAX): Set to 6 for x86_64.
1547 (SSE_REGPARM_MAX): Set to 16 for x86_64.
1548 * i386.c (hard_regno_mode_ok): QImodes can be in all general purpose
1551 * (patterns that does use upper halves): Update constraints
1552 'q' to 'Q' and 'r' to 'R'.
1553 (cmpqi_ext_1): Disable for 64bit.
1554 (cmpqi_ext_3_insn): Likewise.
1555 (movqi_extzv_1): Likewsie.
1556 (addqi_ext_1): Liekwsie
1557 (testqi_ext_1): Liekwsie
1558 (andqi_ext_1): Liekwsie
1559 (xorqi_ext_1): Liekwsie
1560 (cmpqi_ext_1_rex64): New.
1561 (cmpqi_ext_3_insn_rex64): Likewise.
1562 (movqi_extzv_1_rex64): Likewsie.
1563 (addqi_ext_1_rex64): Liekwsie
1564 (testqi_ext_1_rex64): Liekwsie
1565 (andqi_ext_1_rex64): Liekwsie
1566 (xorqi_ext_1_rex64): Liekwsie
1568 2001-03-11 Zack Weinberg <zackw@stanford.edu>
1570 * configure.in: Move check for unsigned enumerated bitfields
1571 to macro in aclocal.m4. Disable it for now.
1572 * configure, config.in: Regenerate.
1573 * system.h: Don't do anything with ONLY_INT_FIELDS. Use the
1574 unsigned-int form of ENUM_BITFIELD() unless being compiled by GCC.
1575 * varasm.c (struct rtx_const): Use ENUM_BITFIELD(). Move enum
1576 kind above its first use.
1578 * config/xm-interix.h, config/alpha/xm-alpha.h,
1579 config/i370/xm-linux.h, config/i386/xm-beos.h,
1580 config/i386/xm-mingw32.h, config/mips/xm-mips.h,
1581 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
1582 config/rs6000/xm-beos.h, config/rs6000/xm-sysv4.h,
1583 Don't define ONLY_INT_FIELDS under any circumstances.
1585 * config/pa/xm-pa.h: Don't define __BSD_NET2__.
1587 * config/pa/xm-pahpux.h, config/pa/xm-papro.h,
1588 config/sparc/xm-sysv4.h: Delete - now identical with some
1590 * config.gcc (hppa targets): Replace xm-pahpux.h and
1591 xm-papro.h with implicit xm-pa.h.
1592 (sparc targets): Replace xm-sysv4.h with implicit or explicit
1595 2001-03-12 Aldy Hernandez <aldyh@redhat.com>
1597 * reload1.c (reload_cse_simplify): Call reload_cse_simplify_set
1598 before reload_cse_noop_set_p.
1600 2001-03-11 Zack Weinberg <zackw@stanford.edu>
1602 * config.gcc: Where xm-host.h used to include another
1603 xm-host.h, list the nested header directly in xm_file. Remove
1604 references to deleted files. Can now use sparc/xm-sp64.h for
1607 * config/xm-linux.h, config/arm/xm-linux.h,
1608 config/i386/xm-dos.h, config/i386/xm-gnu.h,
1609 config/i386/xm-linux.h, config/i386/xm-openbsd.h,
1610 config/i860/xm-fx2800.h, config/m68k/xm-atari.h,
1611 config/m68k/xm-linux.h, config/m68k/xm-sun3.h,
1612 config/sparc/xm-linux.h, config/sparc/xm-sysv4-64.h:
1615 * config/alpha/xm-alpha-interix.h: Don't include alpha/xm-alpha.h.
1616 * config/mips/xm-iris5.h: Don't include mips/xm-mips.h. Don't
1617 bother to wrap #undef in #ifdef.
1618 * config/pa/xm-linux.h, config/rs6000/xm-sysv4.h:
1619 Don't include xm-linux.h.
1620 * config/sparc/xm-sp64.h: Don't include sparc/xm-sparc.h.
1622 * configure.in: Wrap regexps using [] in changequote block.
1623 Use expr : not echo | grep. Simplify regexps.
1624 * configure: Regenerate.
1626 56 xm-files remain, 22 xm-arch.
1628 2001-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1630 * mips-tfile.c: Cast arg to PTR when specifier is HOST_PTR_PRINTF.
1631 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
1632 (local_index, local_rindex): Delete, use strchr/strrchr instead.
1633 (copy_object): Fix format specifier vs argument mismatch.
1635 * mips-tdump.c: Make local functions static.
1636 (rindex): Don't #undef.
1637 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
1638 (fatal, fancy_abort): Delete.
1639 (read_seek): Avoid signed/unsigned compare.
1641 Sun Mar 11 17:01:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1643 * combine.c (try_combine): Fix error in change to try original
1645 (gen_rtx_combine): Do same as gen_rtx for now.
1647 2001-03-11 Zack Weinberg <zackw@stanford.edu>
1649 * configure.in: AC_SUBST xm_defines.
1650 * configure: Regenerate.
1651 * Makefile.in: Set DEFINES=$(xm_defines) when building
1654 2001-03-11 Neil Booth <neil@daikokuya.demon.co.uk>
1656 * cppfiles.c (INCLUDE_LEN_FUDGE, ENOMEM): Delete.
1657 (cpp_included, find_include_file): Update.
1658 (_cpp_compare_file_date): Make else unconditional.
1660 2001-03-10 kaz Kojima <kkojima@rr.iij4u.or.jp>
1662 * config/sh/sh.h (LEGITIMATE_PIC_OPERAND_P): Defined.
1664 2001-03-10 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
1666 * config/sh/sh.md (umulhisi3_i, mulhisi3_i): Fix mnemonics.
1667 * config/sh/lib1funcs.asm (mulsi3): Convert mulu to mulu.w.
1669 Sat Mar 10 22:42:05 2001 Alexandre Oliva <aoliva@redhat.com>
1671 * tree.c (build_common_tree_nodes_2): Don't copy va_list_type_node
1672 if it's a record type.
1674 Sat Mar 10 17:52:54 2001 Christopher Faylor <cgf@cygnus.com>
1676 * config/i386/cygwin.h: Make ../w32api a system directory. Reorganize
1677 mingw includes slightly.
1679 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1681 * system.h (malloc, realloc, calloc, strdup, bzero, bcmp, rindex):
1682 #undef token before poisoning it.
1684 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1686 * alpha.c (check_float_value): Use memcpy, not bcopy.
1688 * m32r.c (m32r_sched_reorder): Likewise.
1690 * vax.c (check_float_value): Likewise.
1692 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
1694 * toplev.c (file_name_nondirectory): Remove.
1695 * toplev.h: Similarly.
1696 * dwarf2out.c (compute_section_prefix): Use lbasename instead
1697 of file_name_nondirectory.
1699 Sat Mar 10 10:36:45 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1701 * mips-tdump.c (read_seek): Call xmalloc, not malloc.
1702 * mips-tfile.c: Don't #undef rindex; not used.
1704 Sat Mar 10 14:34:59 CET 2001 Jan Hubicka <jh@suse.cz>
1706 * i386.h (DBX_REGISTER_NUMBER): Return proper values for 64bits.
1707 (dbx64_register_map): Declare.
1708 (RETURN_ADDR_RTX): Fix for 64bit.
1709 (DWARF_FRAME_RETURN_COLUMN): Set to 16 for 64bit.
1710 (INCOMING_FRAME_SP_OFFSET): Set to 8.
1711 * i386.c (dbx64_register_map): New global array.
1712 * beos-elf.h, freebsd.h, i386-interix.h, i386elf.h,
1713 linux.h (DBX_REGISTER_REGNUMBER): Use dbx64_register_map
1716 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
1718 * cppfiles.c (search_from): Use lbasename.
1719 * mkdeps.c (deps_add_default_target): Use lbasename.
1721 2001-03-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1723 * fixinc/server.c (load_data, run_shell): Use xmalloc, xrealloc &
1724 xcalloc in lieu of malloc, realloc & calloc.
1726 * gencheck.c (xmalloc): Use really_call_malloc, not malloc.
1728 * gengenrtl.c (xmalloc): Likewise.
1730 * gensupport.c (xcalloc, xrealloc, xmalloc): Use the
1731 really_call_* memory allocation routines.
1733 * stmt.c (check_for_full_enumeration_handling): Use
1734 really_call_calloc, not calloc.
1736 * system.h (really_call_malloc, really_call_calloc,
1737 really_call_realloc): Define.
1738 (malloc, realloc, calloc, strdup, bzero, bcmp, rindex): Poison.
1740 Fri Mar 9 18:39:19 2001 Jeffrey A Law (law@cygnus.com)
1742 * pa.md (builtin_longjmp): Rework slightly to work for PA64 too.
1744 2001-03-09 Nicola Pero <n.pero@mi.flashnet.it>
1746 * configure: Rebuilt.
1747 * configure.in: Only use `lang_requires' for languages athat are
1750 2001-03-09 Joseph S. Myers <jsm28@cam.ac.uk>
1752 * invoke.texi: Fix typo.
1753 * gcc.1: Regenerate.
1755 2001-03-09 Zack Weinberg <zackw@stanford.edu>
1757 * configure.in: Prune nonexistent files from build_xm_file,
1758 xm_file, and host_xm_file lists. Warn unless they're
1760 Don't generate *config.h here.
1761 AC_SUBST all variables needed to generate *config.h.
1762 * configure: Regenerate.
1763 * mkconfig.sh: New helper script, from code removed from
1765 * Makefile.in: Zap all MALLOC variables - no longer used
1766 anywhere, and malloc.c doesn't exist.
1767 Substitute in variables needed to generate *config.h.
1768 Stop lying about the dependencies contained in CONFIG_H and
1770 (HCONFIG_H, TCONFIG_H, TM_P_H): New variables.
1771 (config.h, hconfig.h, tconfig.h, tm_p.h, cs-config.h,
1772 cs-hconfig.h, cs-tconfig.h, cs-tm_p.h): New rules.
1773 (all .o): Add dependencies on $(HCONFIG_H), $(TCONFIG_H),
1774 $(TM_P_H), etc. as appropriate.
1776 * config.gcc: Zap references to deleted files.
1777 * ggc-none.c: Don't include rtl.h or tm_p.h.
1779 * config/i386/xm-beos.h, config/i386/xm-dgux.h,
1780 config/i386/xm-djgpp.h, config/i386/xm-dos.h,
1781 config/i386/xm-gnu.h, config/i386/xm-i386-interix.h,
1782 config/i386/xm-linux.h, config/i386/xm-linux.h,
1783 config/i386/xm-next.h, config/i386/xm-openbsd.h,
1784 config/i386/xm-sun.h, config/i386/xm-sysv3.h:
1785 Don't include i386/xm-i386.h.
1787 * config/elxsi/xm-elxsi.h, config/i386/xm-bsd386.h,
1788 config/i386/xm-i386.h, config/i860/xm-i860.h,
1789 config/i960/xm-i960.h, config/mcore/xm-mcore.h,
1790 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
1791 config/pj/xm-pj.h, config/sh/xm-sh.h, config/v850/xm-v850.h:
1792 Delete (empty except comments, #includes of other deleted
1793 files, and macros used nowhere).
1795 Fri Mar 9 20:05:27 CET 2001 Jan Hubicka <jh@suse.cz>
1797 * i386.h (MAX_WCHAR_TYPE_SIZE): New constant to keep tradcpp
1798 independent on TARGET_FLAGS.
1800 Fri Mar 9 19:52:52 CET 2001 Jan Hubicka <jh@suse.cz>
1802 * i386.h (FIRST_PSEUDO_REGISTER): Set to 53.
1804 (FIXED_REGISTERS, CALL_USED_REGISTERS, REG_ALLOC_ONES): Add
1806 (CONDITIONAL_REGISTER_USAGE): Set proper values according to
1808 (FIRST_REX_INT_REG, LAST_REX_INT_REG, FIRST_REX_SSE_REG,
1809 LAST_REX_SSE_REG): define.
1810 (enum reg_class): Add 'LEGACY_REGS'
1811 (REG_CLASS_CONTENTS): Likewise; add extended registers.
1812 (SSE_REGNO_P): Recognize extended registers.
1813 (ANY_QI_REG_P, REX_INT_REGNO_P, REX_INT_REG_P): New.
1814 (REG_CLASS_FROM_LETTER): Add 'R' and 'Q'.
1815 (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P,
1816 REG_OK_FOR_BASE_NONSTRICT_P): Recognize REX registers.
1817 (REG_OK_FOR_STRREG_NONSTRICT_P, REG_OK_FOR_STRREG_STRICT_P,
1818 REG_OK_FOR_STRREG_P): Remove.
1819 (HI_REGISTER_NAMES): Add extended registers.
1820 (ADDITIONAL_REGISTER_NAMES): Likewise.
1821 (QI_REGISTER_NAMES): Add 8bit extended registers.
1822 (DEBUG_REG): Support extended registers.
1823 * i386.c (regclass_map): Add extended registers.
1824 (dbx_register-map): Likewise.
1825 (svr4_dbx_register_map): Likewise.
1826 (print_reg): Support extended registers.
1827 (print_operand): Support 64bit operands.
1829 Fri Mar 9 19:37:46 CET 2001 Jan Hubicka <jh@suse.cz>
1831 * i386.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Set to 128bit for x86_64
1832 (BOOL_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
1833 FLOAT_TYPE_SIZE, LONG_TYPE_SIZE, MAX_LONG_TYPE_SIZE,
1834 DOUBLE_TYPE_SIZE, LONG_LONG_TYPE_SIZE): New constants.
1835 (BITS_PER_WORD, UNITS_PER_WORD, POINTER_SIZE, PARM_BOUNDARY,
1836 STACK_BOUNDARY): Set properly for 64bits.
1837 (MAX_BITS_PER_WORD, MIN_UNITS_PER_WORD): New constants.
1838 (EMPTY_FIELD_BOUNDARY): Define using BITS_PER_WORD.
1839 (BIGGEST_FIELD_ALIGNMENT): Set to 128 for 64bits.
1840 (MOVE_MAX): Set to 16.
1841 (MOVE_MAX_PIECES): 8 for 64bit.
1842 (Pmode): Set to SImode.
1844 Fri Mar 9 09:00:36 2001 Mike Stump <mrs@wrs.com>
1846 * cselib.c (hash_rtx): Ensure that hash isn't zero upon return.
1848 Fri Mar 9 17:38:08 CET 2001 Jan Hubicka <jh@suse.cz>
1850 * i386.h (mask_64bit): New constant.
1851 (target_64bit): New macro.
1852 (target_options): Add '64'/'32'
1853 (target_default): Define.
1854 * cygwin.h freebsd-aout.h i386-interix.h i386.h i386elf.h isc.h
1855 isccoff.h netbsd.h next.h openbsd.h p sco.h sco5.h scodbx.h sequent.h
1856 unix.h win32.h (TARGET_DEFAULT): Rename to TARGET_SUBTARGET_DEFAULT.
1858 Thu Mar 8 23:36:56 2001 Jeffrey A Law (law@cygnus.com)
1860 * config/pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Disable.
1862 Thu Mar 8 23:29:37 2001 John Wehle (john@feith.com)
1864 * rtlanal.c (rtx_varies_p): Check operand 0 of a
1865 LO_SUM unless for_alias is set.
1867 2001-03-08 Stan Shebs <shebs@apple.com>
1869 * objc/objc-act.c: Fix old typos in comments, add comments for
1871 (hash_init): Fix file name in error message.
1872 (hash_enter): Ditto.
1873 (hash_add_attr): Ditto.
1874 (continue_class): Ditto.
1876 2001-03-08 Bruce Korb <bkorb@gnu.org>
1878 gcc.c(main): ensure SIGCHLD handling is set to SIG_DFL so that
1879 wait4() can receive the signal.
1881 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1883 * fixinc/inclhack.def (AAB_dgux_int_varargs): Don't use HTML
1885 * fixinc/fixincl.x: Regenerate.
1887 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1889 * fixinc/inclhack.def (AAA_standards): Undo <standards.h> breakage
1891 * fixinc/fixincl.x: Regenerate.
1893 2001-03-08 Richard Henderson <rth@redhat.com>
1895 * configure.in (HAVE_AS_LEB128): New assembler check.
1896 * configure, config.in: Rebuilt.
1898 Thu Mar 8 19:54:04 CET 2001 Jan Hubicka <jh@suse.cz>
1900 * reg-stack.c (move_for_stack_reg): Avoid non-poping fst for
1903 2001-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1905 * config/ns32k/xm-pc532-min.h, config/we32k/xm-we32k.h: Delete
1906 references to the MAXPATHLEN macro.
1908 * config/alpha/xm-alpha.h, config/arm/xm-arm.h,
1909 config/i386/xm-cygwin.h, config/xm-linux.h: Delete references to
1912 * config/i386/xm-gnu.h, config/xm-gnu.h,
1913 config/alpha/xm-openbsd.h, config/i386/xm-openbsd.h,
1914 config/m68k/xm-openbsd.h, config/mips/xm-openbsd.h,
1915 config/sparc/xm-openbsd.h, config/xm-openbsd.h: Delete empty
1916 and/or unused files.
1918 * config.gcc: Define POSIX in xm_defines as appropriate in lieu of
1919 doing so in various xm-*.h files.
1921 Thu Mar 8 06:32:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1923 * config/i386/i386.md (clrstrsi): Call ix86_set_move_mem_attrs.
1925 2001-03-08 Alexandre Oliva <aoliva@redhat.com>
1927 * configure.in (enable_shared): Support per-package shared-library
1929 * configure: Rebuilt.
1931 2001-03-07 David Edelsohn <edelsohn@gnu.org>
1933 * rs6000.md (cr logic): Add original POWER mnemonic alternative
1934 for crnot. Set operands[5] in splitter.
1936 2001-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1938 * config/i370/xm-mvs.h, config/i370/xm-oe.h,
1939 config/i386/xm-beos.h, config/i386/xm-mingw32.h,
1940 config/m88k/xm-m88k.h, config/mips/xm-iris6.h,
1941 config/mips/xm-openbsd.h, config/pa/xm-pa64hpux.h,
1942 config/pa/xm-pahpux.h, config/rs6000/xm-beos.h,
1943 config/rs6000/xm-darwin.h, config/rs6000/xm-mach.h,
1944 config/rs6000/xm-rs6000.h, config/xm-interix.h: Delete references
1947 * config/vax/xm-vaxv.h, config/a29k/xm-unix.h,
1948 config/i370/xm-i370.h, config/i386/xm-dgux.h,
1949 config/i386/xm-sun.h, config/i386/xm-sysv3.h,
1950 config/m68k/xm-tower.h, config/m68k/xm-aux.h,
1951 config/m68k/xm-hp320.h, config/m68k/xm-amix.h,
1952 config/m68k/xm-altos3068.h, config/m68k/xm-mot3300.h,
1953 config/m68k/xm-m68kv.h, config/m88k/xm-openbsd.h,
1954 config/mips/xm-nws3250v4.h, config/mips/xm-sysv.h,
1955 config/mips/xm-iris3.h, config/mips/xm-iris4.h, config/xm-svr3.h,
1956 config/xm-svr4.h, config/sparc/xm-pbd.h, config/clipper/xm-clix.h:
1957 Delete unused and/or empty files.
1959 * config.gcc: Define USG in xm_defines as appropriate. Define
1960 POSIX in lieu of xm-svr4.h. Delete all references to the SVR3
1961 macro. Remove deleted xm-* files from $xm_files variable.
1963 2001-03-07 Tom Tromey <tromey@redhat.com>
1965 * configure: Rebuilt.
1966 * configure.in: Allow config-lang.in to set `lang_requires' to list
1967 of other required languages.
1969 2001-03-07 Andrew MacLeod <amacleod@redhat.com>
1971 * config/a29k/a29k.c (print_operand): Free a29k_last_prologue_insn
1973 (output_prologue): Use xmalloc not oballoc.
1974 (output_epilog): Free a29k_first_epilogue_insn when finished.
1975 * confif/a29k/a29k.h (PREDICATE_CODES): Remove shift_constant_operand.
1977 2001-03-07 Brad Lucier <lucier@math.purdue.edu>
1979 * builtins.c (expand_builtin_mathfn): Check
1980 flag_unsafe_math_optimizations, not flag_fast_math.
1981 (expand_builtin): Likewise
1982 * combine.c (combine_simplify_rtx): Likewise.
1983 (simplify_if_then_else): Likewise.
1984 * cse.c (fold_rtx): Likewise.
1985 * flags.h: Remove flag_fast_math. Add
1986 flag_unsafe_math_optimizations and flag_trapping_math.
1987 * fold-const.c (negate_expr): Check
1988 flag_unsafe_math_optimizations, not flag_fast_math.
1989 (invert_truthvalue): Likewise.
1990 (fold): Likewise. Before associating operands, check that
1991 code == MULT_EXPR, not code != MULT_EXPR.
1992 * ifcvt.c (noce_try_minmax): Check
1993 flag_unsafe_math_optimizations, not flag_fast_math.
1994 (noce_operand_ok): Check flag_trapping_math, not flag_fast_math.
1995 * invoke.texi: Document -funsafe-math-optimizations and
1996 -fno-trapping-math. Change documentation for -ffast-math.
1997 * jump.c (reversed_comparison_code_parts): Likewise.
1998 (rtx_equal_for_thread_p): Likewise.
1999 * optabs.c (emit_conditional_move): Likewise.
2000 * simplify-rtx.c (simplify_binary_operation): Likewise.
2001 (simplify_relational_operation): Likewise.
2002 (simplify_ternary_operation): Likewise.
2003 * toplev.c: Remove flag_fast_math. Add flag_trapping_math and
2004 flag_unsafe_math_optimizations. Remove fast-math entry from f_options.
2005 Add trapping-math and unsafe-math-optimizations entries to f_options.
2006 (set_fast_math_flags): New, sets flags for -ffast-math.
2007 (set_no_fast_math_flags): New, sets flags for -fno-fast-math.
2008 (decode_f_option): Add code to handle -ffast-math and -fno-fast-math.
2009 * toplev.h: Declare set_fast_math_flags and set_no_fast_math_flags.
2011 * config/alpha/alpha.c (alpha_emit_conditional_branch): Likewise.
2012 (alpha_emit_conditional_move): Initialize local_fast_math to
2013 flag_unsafe_math_optimizations, not flat_fast_math.
2014 * config/c4x/c4x.c (c4x_override_options): Call set_fast_math_flags
2015 instead of setting flag_fast_math to 1.
2016 * config/convex/convex.md: Check flag_unsafe_math_optimizations,
2018 * config/i386/i386.c (override_options): Likewise
2019 * config/i386/i386.md: Likewise.
2020 * config/m68k/m68k.md: Likewise.
2021 * config/mips/mips.md: Likewise.
2022 * config/rs6000/rs6000.c (validate_condition_mode): Likewise.
2023 (rs6000_generate_compare): Likewise.
2025 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
2027 * Makefile.in: Set RANLIB to @RANLIB@.
2030 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
2032 * fixinc/inclhack.def (djgpp_wchar_h): New test.
2033 * fixinc/fixincl.x: Regenerated.
2035 2001-03-07 Richard Henderson <rth@redhat.com>
2037 * config/alpha/alpha.md (call_osf_1_noreturn): New pattern.
2039 2001-03-07 Richard Henderson <rth@redhat.com>
2041 * emit-rtl.c (remove_unnecessary_notes): Verify proper nesting
2042 of block notes and exception handling notes.
2044 * lists.c (init_EXPR_INSN_LIST_cache): Don't check initialized.
2045 * toplev.c (rest_of_compilation): Call init_EXPR_INSN_LIST_cache ...
2046 (compile_file): ... here.
2048 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2050 * fixinc/Makefile.in (FIXINC_DEFS): Add -DHAVE_CONFIG_H.
2052 * fixinc/gnu-regex.c: Don't include auto-host.h since we get
2053 config.h now. Include libiberty.h to handle alloca.
2055 2001-03-06 Zack Weinberg <zackw@stanford.edu>
2057 * c-parse.in (yylexname): New function, split out of _yylex.
2058 (objc_rid_sans_at): New table.
2059 (init_reswords): Initialize it.
2060 (_yylex): Give labels clearer names. Handle CPP_ATSIGN by
2061 retrieving the next token and checking it for significance as
2062 an ObjC keyword or string constant.
2064 * cpplex.c (_cpp_lex_token): Just return CPP_ATSIGN for '@'.
2065 * cpplib.h (TTYPE_TABLE): Add CPP_ATSIGN, drop CPP_OSTRING.
2067 * c-lex.c, c-parse.in, cppmacro.c, cpplex.c: Remove references
2070 2001-03-06 Stephen L Moshier <moshier@mediaone.net>
2072 * config/m68k/m68k.c (const_uint32_operand): Accept any
2073 const_int on a 32-bit host.
2075 2001-03-06 Nicola Pero <n.pero@mi.flashnet.it>
2077 * objc/objc-act.c (init_objc): Set save_lang_status,
2078 restore_lang_status, and mark_lang_status.
2080 2001-03-06 Krister Walfridsson <cato@df.lth.se>
2082 * dwarf2asm.c (dw2_asm_output_delta): Fix smallest_mode_for_size call.
2084 2001-03-06 Neil Booth <neil@daikokuya.demon.co.uk>
2086 * cppinternals.texi: Update.
2088 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2090 * config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
2091 config/alpha/xm-alpha.h, config/arc/xm-arc.h, config/arm/xm-arm.h,
2092 config/c4x/xm-c4x.h, config/clipper/xm-clix.h,
2093 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
2094 config/dsp16xx/xm-dsp16xx.h, config/elxsi/xm-elxsi.h,
2095 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
2096 config/i370/xm-linux.h, config/i370/xm-mvs.h, config/i370/xm-oe.h,
2097 config/i386/xm-i386.h, config/i860/xm-i860.h,
2098 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
2099 config/m32r/xm-m32r.h, config/m68k/xm-m68k.h,
2100 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
2101 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
2102 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
2103 config/pa/xm-linux.h, config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
2104 config/pa/xm-pahpux.h, config/pa/xm-papro.h, config/pj/xm-pj.h,
2105 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
2106 config/rs6000/xm-lynx.h, config/rs6000/xm-rs6000.h,
2107 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
2108 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
2109 config/v850/xm-v850.h, config/vax/xm-vax.h, config/vax/xm-vms.h,
2110 config/we32k/xm-we32k.h: Delete HOST_BITS_PER_* definitions which
2111 match the defaults provided in hwint.h.
2113 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
2114 config/sparc/xm-lynx.h, config/xm-std32.h: Delete files.
2116 * config.gcc (xm_file): Don't set to files which are deleted.
2118 * hwint.h: Provide default values for HOST_BITS_PER_*. No longer
2119 guard this file against these macros being undefined.
2121 2001-03-06 Zack Weinberg <zackw@stanford.edu>
2123 * objc/objc-act.c (objc_add_static_instance): Set DECL_INITIAL
2124 and DECL_DEFER_OUTPUT on the decl we create, before calling
2125 rest_of_decl_compilation.
2127 2001-03-06 Zack Weinberg <zackw@stanford.edu>
2129 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE
2131 * configure, config.in: Regenerate.
2132 * config.gcc: Remove references to deleted files.
2134 * genattr.c, genattrtab.c, genextract.c, genoutput.c,
2135 genrecog.c, rtl.c: Do not use alloca anywhere.
2137 * Makefile.in, build-make, system.h, config/x-interix,
2138 config/x-svr4, config/xm-interix.h, config/xm-openbsd.h,
2139 config/alpha/xm-alpha.h, config/alpha/xm-vms.h,
2140 config/arc/xm-arc.h, config/arm/xm-arm.h,
2141 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
2142 config/h8300/xm-h8300.h, config/i370/x-oe,
2143 config/i370/xm-linux.h, config/i386/x-aix, config/i386/x-beos,
2144 config/i386/x-ncr3000, config/i386/x-sco5,
2145 config/i386/xm-dgux.h, config/i860/x-sysv4,
2146 config/i960/xm-i960.h, config/m32r/xm-m32r.h,
2147 config/m68k/x-crds, config/m68k/x-dpx2, config/m68k/x-hp320,
2148 config/m68k/x-hp320g, config/m69k/x-mot3300,
2149 config/m68k/x-mot3300-gas, config/m68k/xm-amix.h,
2150 config/m68k/xm-hp320.h, config/m68k/xm-m68kv.h,
2151 config/m68k/xm-mot3300.h, config/m88k/x-dolph,
2152 config/m88k/x-sysv4, config/m88k/x-tekXD88,
2153 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
2154 config/mips/x-iris, config/mips/x-iris3,
2155 config/mips/x-sni-svr4, config/mips/x-sysv,
2156 config/mips/xm-iris6.h, config/mips/xm-mips.h,
2157 config/mips/xm-nws3250v4.h, config/pa/x-hpux,
2158 config/pa/x-pa-mpeix, config/pa/xm-pa.h,
2159 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
2160 config/pa/xm-papro.h, config/romp/xm-romp.h,
2161 config/rs6000/x-aix31, config/rs6000/x-aix41,
2162 config/rs6000/x-beos, config/rs6000/x-lynx,
2163 config/rs6000/x-mach, config/rs6000/x-rs6000,
2164 config/rs6000/x-sysv4, config/rs6000/xm-rs6000.h,
2165 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
2166 config/sparc/x-sysv4, config/sparc/xm-linux.h,
2167 config/sparc/xm-pbd.h, config/sparc/xm-sparc.h,
2168 config/vax/xm-vms.h: Eradicate all references to alloca and
2171 * config/xm-alloca.h, config/clipper/x-clix,
2172 config/i386/xm-sysv4.h, config/i860/x-fx2800,
2173 config/i860/x-sysv3, config/m88k/x-sysv3,
2174 config/sparc/xm-sol2.h, config/we32k/x-we32k: Delete
2175 (contained only alloca related hacks).
2177 * config/i386/xm-beos.h, config/rs6000/xm-beos.h: Just define
2180 2001-03-05 Brad Lucier <lucier@math.purdue.edu>
2182 * invoke.texi: Document __FAST_MATH__.
2184 2001-03-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2186 * crtstuff.c: Restore include of auto-host.h.
2188 2001-03-05 Fergus Henderson <fjh@cs.mu.oz.au>
2190 Put main() in a separate file, so that the language
2191 front-end can use a different main().
2194 * toplev.c: (main): Rename as toplev_main.
2195 * toplev.h: Declare toplev_main.
2196 * Makefile.in (OBJS): add toplev.o.
2197 (BACKEND): remove toplev.o, add main.o.
2199 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
2201 * cppfiles.c (search_from): Special case the empty string.
2203 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
2205 * cppfiles.c (_cpp_execute_include): Don't make a null-terminated
2206 copy of the filename. Don't use CPP_PREV_BUFFER. Don't call
2207 strlen or strcpy; we already know the length.
2208 (_cpp_compare_file_date): Similarly.
2209 * cpphash.h (struct cpp_reader): Delete done_initialising.
2210 (CPP_PREV_BUFFER): Delete.
2211 * cppinit.c (cpp_start_read): Don't set done_initialising.
2212 * cpplex.c (parse_string): Guarantee null-termination.
2213 (_cpp_equiv_toklists): Remove.
2214 * cpplib.c (glue_header_name): Null-terminate.
2215 (do_line): Don't leak memory.
2216 * cpplib.h (BT_WEAK): Delete.
2217 * cppmain.c (cb_ident): Strings are now null-terminated.
2219 2001-03-04 Laurynas Biveinis <lauras@softhome.net>
2221 * gcc.c (convert_filename): Append executable suffix
2222 if NO_AUTO_EXE_SUFFIX is not defined.
2223 * gcc.texi: Document NO_AUTO_EXE_SUFFIX.
2224 * config/i386/djgpp.h: Define NO_AUTO_EXE_SUFFIX.
2226 2001-03-03 David O'Brien <obrien@FreeBSD.org>
2228 from 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
2229 * c-parse.gperf, c-gperf.h: Delete.
2230 (c-gperf.h was accidently re-added to the CVS repo in the rev
2231 1.16 commit by tromey)
2233 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
2235 * cpplex.c (_cpp_lex_token): Don't warn about directives in
2236 macro arguments when looking for the '('.
2237 * cppmacro.c (funlike_invocation_p): Set parsing_args to
2238 2 when really parsing arguments; 1 when looking for '('.
2239 Always restore the lexer position.
2241 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
2243 * longlong.h (umul_ppmm): Don't use a multiline string.
2245 2001-03-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
2247 * fixinc/fixlib.h (t_bool): Add identifier `t_bool' in typedef.
2248 * fixinc/server.c (read_pipe_timeout): Use enum t_bool instead of
2249 t_bool in declaration because pcc can't combine volatile with typedef
2252 Sat Mar 3 19:47:13 CET 2001 Jan Hubicka <jh@suse.cz>
2254 * i386.c (ix86_expand_fp_compare): Delay creating of scratch register
2255 until when it is really needed.
2256 (ix86_expand_compare): Update call of ix86_expand_fp_compare.
2257 * i386.h (PREDICATE_CODES): Add all codes for sse_comparison_operator
2258 * i386.md (float?i?f splitter): Don't force source operand to memory
2260 (sse_movdfcc): Fix constraint.
2261 (sse_movdfcc splitter): Handle properly the second alternative.
2263 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
2265 * cpplex.c (parse_string): Unconditionally pedwarn.
2267 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
2270 * cppexp.c (parse_number): Update.
2271 * cpplex.c (parse_string): Pedwarn if multiline string does not
2272 result from a system header's macro.
2273 * cpplib.h (sys_objmacro_p): Rename sys_macro_p.
2274 * cppmacro.c (sys_objmacro_p): Rename sys_macro_p. Return true
2275 for function-like macros too.
2276 * c-lex.c (lex_number): Update.
2278 2001-03-03 Richard Henderson <rth@redhat.com>
2280 * dwarf2out.c (output_call_frame_info): Fix augmentation length.
2282 Sat Mar 3 04:17:17 2001 J"orn Rennecke <amylaar@redhat.com>
2284 * combine.c (try_combine): If split with mode-changed scratch
2285 register didn't work, try the original mode.
2287 Sat Mar 3 03:46:47 2001 J"orn Rennecke <amylaar@redhat.com>
2289 * tm.texi: Change STRUCT_FORCE_BLK to MEMBER_TYPE_FORCES_BLK.
2290 * config/c4x/c4x.h: Likewise.
2291 * stor-layout.c (compute_record_mode): Likewise.
2292 (layout_type, case ARRAY_TYPE): Use MEMBER_TYPE_FORCES_BLK.
2294 2001-03-02 Zack Weinberg <zackw@stanford.edu>
2296 * configure.in: Kill tm.h. Include the files in the $tm_file
2297 list in all three of config.h, hconfig.h, tconfig.h, after the
2298 relevant set of xm_files. Put TARGET_CPU_DEFAULT in all
2299 three, include insn-codes.h in all three (#ifndef GENERATOR_FILE).
2300 * configure: Regenerate.
2301 * Makefile.in (clean): Don't delete tm.h.
2303 * system.h: If SUCCESS_EXIT_CODE and FATAL_EXIT_CODE are not
2304 defined, set them from EXIT_SUCCESS and EXIT_FAILURE. If
2305 those are not defined, set SEC and FEC to 0 and 1.
2306 * gcc.texi: Update to match.
2308 * crtstuff.c: Include tconfig.h, not auto-host.h and tm.h.
2309 * config/fp-bit.c, config/m68k/aux-crt2.asm,
2310 config/m68k/aux-crtn.asm, config/m68k/aux-mcount.c:
2311 Include tconfig.h, not tm.h.
2313 * config/xm-lynx.h, config/xm-std32.h,
2314 config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
2315 config/alpha/xm-alpha.h, config/arc/xm-arc.h,
2316 config/avr/xm-avr.h, config/c4x/xm-c4x.h,
2317 config/clipper/xm-clix.h, config/convex/xm-convex.h,
2318 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
2319 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
2320 config/h8300/xm-h8300.h, config/i370/xm-linux.h,
2321 config/i386/xm-i386.h, config/i860/xm-i860.h,
2322 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
2323 config/m32r/xm-m32r.h, config/m68hc11/xm-m68hc11.h,
2324 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
2325 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
2326 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
2327 config/pa/xm-linux.h, config/pa/xm-pa.h,
2328 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
2329 config/pa/xm-papro.h, config/pdp11/xm-pdp11.h,
2330 config/pj/xm-pj.h, config/romp/xm-romp.h,
2331 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
2332 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
2333 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
2334 config/v850/xm-v850.h, config/vax/xm-vax.h,
2335 config/we32k/xm-we32k.h:
2337 Don't define SUCCESS_EXIT_CODE or FATAL_EXIT_CODE.
2339 * config/i370/xm-i370.h, config/i370/xm-mvs.h,
2340 config/i370/xm-oe.h: Don't include tm.h. Don't define
2342 * config/vax/xm-vms.h: Don't include tm.h.
2344 * config/xm-lynx.h, config/avr/xm-avr.h,
2345 config/fr30/xm-fr30.h, config/pdp11/xm-pdp11.h,
2346 Delete; made empty by above changes.
2347 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
2348 config/rs6000/xm-lynx.h, config/sparc/xm-lynx.h:
2349 Don't include config/xm-lynx.h or tm.h.
2351 * config/xm-gnu.h: Don't include fcntl.h.
2352 * config/sparc/xm-lynx.h: Don't include sys/types.h and
2354 * config/clipper/xm-clix.h, config/vax/xm-vax.h: Don't define isinf.
2356 2001-03-02 Richard Henderson <rth@redhat.com>
2358 * tm.texi (File Framework): Document UNALIGNED_SHORT_ASM_OP,
2359 UNALIGNED_INT_ASM_OP, and UNALIGNED_DOUBLE_INT_ASM_OP.
2361 2001-03-02 Richard Henderson <rth@redhat.com>
2363 * Makefile.in (OBJS): Add dwarf2asm.o.
2364 * dwarf2asm.c, dwarf2asm.h: New files.
2365 * dwarf2out.c (*): Use them.
2366 (size_of_uleb128, size_of_sleb128): Remove.
2367 (output_uleb128, output_sleb128): Remove.
2368 (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Remove.
2369 (UNALIGNED_DOUBLE_INT_ASM_OP, ASM_BYTE_OP): Remove.
2370 (UNALIGNED_OFFSET_ASM_OP, UNALIGNED_WORD_ASM_OP): Remove.
2371 (FDE_LABEL, LINE_NUMBER_BEGIN_LABEL, LINE_NUMBER_END_LABEL): New.
2372 (ASM_OUTPUT_DWARF_DATA1, ASM_OUTPUT_DWARF_DELTA1): Remove.
2373 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_DELTA2): Remove.
2374 (ASM_OUTPUT_DWARF_DATA4, ASM_OUTPUT_DWARF_DELTA4): Remove.
2375 (ASM_OUTPUT_DWARF_DATA, ASM_OUTPUT_DWARF_DELTA): Remove.
2376 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_ADDR_DATA): Remove.
2377 (ASM_OUTPUT_DWARF_ADDR_DELTA, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
2378 (ASM_OUTPUT_DWARF_OFFSET4, ASM_OUTPUT_DWARF_OFFSET): Remove.
2379 (ASM_OUTPUT_DWARF_CONST_DOUBLE): Remove.
2380 (ASM_OUTPUT_DWARF_NSTRING, ASM_OUTPUT_DWARF_STRING): Remove.
2381 (dwarf2out_frame_debug): Remove unused variables.
2382 (output_loc_operands): Don't abort on 8 byte constants if
2383 host integers are wide enough.
2384 (output_symbolic_ref): Remove.
2385 (size_of_die): Don't assume 4 byte host integers.
2386 (output_line_info): Use ASM_GENERATE_INTERNAL_LABEL for begin
2388 (add_const_value_attribute) [CONST_INT]: Verify we're not doing
2389 something stupid with HOST_WIDE_INT to long truncation.
2390 [CONST_DOUBLE]: Likewise.
2392 * config/arm/conix-elf.h (UNALIGNED_WORD_ASM_OP): Remove.
2393 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
2394 * config/arm/unknown-elf.h: Likewise.
2395 * config/rs6000/aix.h (UNALIGNED_SHORT_ASM_OP): New.
2396 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): New.
2397 (ASM_OUTPUT_DWARF_ADDR_VAR, ASM_OUTPUT_DWARF_DELTA_VAR): Remove.
2398 (ASM_OUTPUT_DWARF_DELTA2, ASM_OUTPUT_DWARF_DELTA4): Remove.
2399 (ASM_OUTPUT_DWARF_DELTA, ASM_OUTPUT_DWARF_ADDR_DELTA): Remove.
2400 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_DATA4): Remove.
2401 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_OFFSET4): Remove.
2402 (ASM_OUTPUT_DWARF_OFFSET): Remove.
2403 * config/rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Remove.
2404 * config/sparc/sp64-elf.h (UNALIGNED_DOUBLE_INT_ASM_OP): New.
2405 (UNALIGNED_LONGLONG_ASM_OP, ASM_OUTPUT_DWARF_ADDR): Remove.
2406 (ASM_OUTPUT_DWARF_ADDR_CONST, ASM_OUTPUT_DWARF_REF): Remove.
2408 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
2410 * cselib.c (hash_rtx): Cast enums to unsigned int.
2412 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
2414 * print-rtl.c (print_rtx): Cast enums to int for comparison.
2415 * c-decl.c (grokdeclarator): Cast enums to int for comparison and
2417 * c-format.c (C_STD_VER): Cast to int for comparisons.
2418 (check_function_format): Cast various enums to int for &.
2419 (maybe_read_dollar_number): Likewise.
2420 (check_format_info): Likewise.
2421 (check_format_info_main): Likewise.
2422 * expr.c (emit_move_insn_1): Cast enums to unsigned int for comparison.
2423 (safe_from_p): Likewise.
2424 * varasm.c (const_hash): Cast enum to int for %.
2425 * emit-rtl.c (init_emit_once): Use int loop variable to work around
2426 pcc enum problems with < and ++ operators.
2427 * regclass.c (init_reg_sets_1): Cast enums for comparison.
2428 (choose_hard_reg_mode): Use unsigned int to iterate over CCmodes.
2429 (regclass_init): Change enum class to int to iterate over reg_classes.
2430 * genrecog.c (merge_trees): Cast enums for comparison.
2431 * rtl.h (GET_CODE): Cast to enum rtx_code.
2432 (PUT_CODE): Cast to ENUM_BITFIELD(rtx_code).
2433 (GET_MODE): Cast to enum machine_mode.
2434 (PUT_MODE): Cast to ENUM_BITFIELD(machine_mode).
2435 (GET_NOTE_INSN_NAME): Cast enum to int.
2436 * tree.h (TREE_CODE): Cast to enum tree_code.
2437 (TREE_SET_CODE): Cast VALUE to ENUM_BITFIELD(tree_code).
2438 * timevar.c (timevar_print): Change loop variable id from enum to
2440 * fixinc/fixincl.c (VLEVEL): Cast enums in comparison to unsigned int.
2441 * config/i386/i386.md: Use PUT_MODE for mode assignment.
2442 * toplev.c (compile_file): Cast enum DFI to int.
2443 (decode_d_option): Likewise.
2445 Fri Mar 2 12:18:13 2001 Christopher Faylor <cgf@cygnus.com>
2447 * cppinit.c (append_include_chain): Mark "after" include file name list
2448 as a system directory.
2449 * cpp.texi: Document new behavior.
2451 Fri Mar 2 11:59:43 CET 2001 Jan Hubicka <jh@suse.cz>
2453 * ifcvt.c (noce_operand_ok): Handle properly unarry operations.
2455 2001-03-02 Neil Booth <neil@daikokuya.demon.co.uk>
2457 * cppfiles.c (struct include_file): Update.
2458 (stack_include_file): Use search_from.
2459 (cpp_included, find_include_file): Update.
2460 (cpp_execute_include): Update. ptr->name may not be
2461 null terminated. Use the new search_from member variable
2463 (_cpp_compare_file_date): Similarly.
2464 (search_from): New function, similiar to actual_directory.
2465 (actual_directory): Delete.
2466 (remap_filename): Update. loc->name may not be null terminated.
2467 (struct file_name_list): Rename search_path. Update.
2468 * cpphash.h (struct cpp_buffer): Delete actual_dir. New members
2469 search_from and dir.
2470 (struct cpp_reader): Remove actual_dirs.
2471 * cppinit.c (struct cpp_pending): Update for renamed objects.
2472 (append_include_chain, remove_dup_dir, remove_dup_dirs,
2473 merge_include_chains, cpp_destroy, cpp_start_read): Similarly.
2474 * cpplib.h (struct cpp_options): Similarly.
2476 2001-03-01 Zack Weinberg <zackw@stanford.edu>
2478 * config/xm-lynx.h, config/xm-std32.h, config/a29k/xm-a29k.h,
2479 config/a29k/xm-unix.h, config/alpha/xm-alpha.h,
2480 config/arc/xm-arc.h, config/arm/xm-arm.h, config/c4x/xm-c4x.h,
2481 config/clipper/xm-clix.h, config/convex/xm-convex.h,
2482 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
2483 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
2484 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
2485 config/i370/xm-linux.h, config/i370/xm-mvs.h,
2486 config/i370/xm-oe.h, config/i386/xm-aix.h,
2487 config/i386/xm-i386.h, config/i386/xm-osf.h,
2488 config/i860/xm-i860.h, config/i960/xm-i960.h,
2489 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
2490 config/m68k/xm-m68k.h, config/m88k/xm-m88k.h,
2491 config/mcore/xm-mcore.h, config/mips/xm-mips.h,
2492 config/mn10200/xm-mn10200.h, config/mn10300/xm-mn10300.h,
2493 config/ns32k/xm-ns32k.h, config/pa/xm-linux.h,
2494 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
2495 config/pa/xm-pahpux.h, config/pa/xm-papro.h,
2496 config/pj/xm-pj.h, config/romp/xm-romp.h,
2497 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
2498 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
2499 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
2500 config/v850/xm-v850.h, config/vax/xm-vax.h,
2501 config/vax/xm-vms.h, config/we32k/xm-we32k.h:
2502 Do not define TRUE or FALSE.
2504 * config/i386/xm-aix.h, config/i386/xm-osf.h: Delete; made
2505 empty by above change.
2506 * config.gcc: Remove references to these files.
2508 * configure.in: Detect stdbool.h.
2509 * configure, config.in: Regenerate.
2510 * system.h: Include stddef.h here if available.
2511 Set HAVE__BOOL based on GCC_VERSION and __STDC_VERSION__.
2512 Then set up a sensible boolean type at the very end.
2514 * combine.c, cse.c, expr.c, fold-const.c, gensupport.c,
2515 config/mcore/mcore.c: Rename variables named 'true' and/or 'false'.
2517 * hash.h: Delete 'boolean' typedef and related #undefs.
2519 * function.c, ggc-common.c, hash.h, hash.c, tlink.c: Replace
2520 all uses of 'boolean' with 'bool'.
2522 2001-03-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
2524 * cpplib.c (_cpp_init_stacks): Cast enum for comparison.
2525 * cppexp.c (lex): Cast enums for comparison.
2526 * cppinit.c (parse_option): Cast enum for comparison.
2527 * cpplex.c (cpp_spell_token): Cast enums to int for minus.
2528 (cpp_output_token): Likewise.
2529 (cpp_can_paste): Cast enums for comparsion and plus/minus.
2530 (cpp_avoid_paste): Cast enums for minus and comparison.
2532 2001-03-01 Zack Weinberg <zackw@stanford.edu>
2534 * gcc.c, objc/lang-specs.h: Add zero initializer for cpp_spec
2535 field to all array elements.
2537 2001-03-01 Zack Weinberg <zackw@stanford.edu>
2539 * cpphash.h (struct cpp_reader): Add print_version field.
2540 * cppinit.c (cpp_handle_option): For -v, -version, and --version,
2541 just set print_version and other flags as appropriate.
2542 (cpp_post_options): Print version here if print_version is set.
2544 * toplev.c (exit_after_options): New flag.
2545 (independent_decode_option): Don't exit here; just set
2547 (main): Exit after calling lang_hooks.post_options if
2548 exit_after_options is true.
2550 * cppinit.c (append_include_chain): Drop never-used case QUOTE.
2551 (merge_include_chains): Adjust comment to match code.
2553 2001-03-01 Zack Weinberg <zackw@stanford.edu>
2555 * stringpool.c (set_identifier): New function.
2556 * tree.h: Prototype it.
2558 * c-parse.in: Kill D_YES. If compiled for objc, call
2559 save_and_forget_protocol_qualifiers from init_reswords.
2560 * objc/objc-act.c (remember_protocol_qualifiers,
2561 forget_protocol_qualifiers): Don't diddle C_IS_RESERVED_WORD.
2562 Swap out the non-keyword IDENTIFIER_NODEs for keyword ones, or
2564 (save_and_forget_protocol_qualifiers): New function.
2565 * c-lex.h: Prototype save_and_forget_protocol_qualifiers.
2567 2001-03-01 Diego Novillo <dnovillo@redhat.com>
2569 * c-semantics.c (prune_unused_decls): Return error_mark_node
2570 instead of (tree) 1 to stop traversing the tree chain.
2572 2001-03-01 Bernd Schmidt <bernds@redhat.com>
2574 Fix a problem introduced by Kenner's Feb 18 change.
2575 * toplev.c (rest_of_compilation): Disable flag_cse_follow_jumps and
2576 flag_cse_skip_blocks only temporarily, not for ever.
2578 Thu Mar 1 09:49:58 2001 Jeffrey A Law (law@cygnus.com)
2580 * config/pa/som.h (ASM_IDENTIFY_GCC): Define.
2581 (ASM_IDENTIFY_GCC_AFTER_SOURCE): Likewise.
2583 * pa.c (emit_move_sequence): Verify operand0 is a hard register
2584 before determining its register class.
2586 2001-03-01 Bernd Schmidt <bernds@redhat.com>
2588 * config/ia64/ia64.c (ia64_hard_regno_rename_ok): Disallow renaming
2589 from reg 4 if current_function_calls_setjmp.
2590 (gen_nop_type): New function.
2591 (ia64_emit_nops): New function.
2592 (ia64_reorg): Call it.
2593 (ia64_sched_reorder): Move code that rotates bundles up a bit.
2595 * reload1.c (eliminate_regs_in_insn): Restrict the special case
2596 code not to try to optimize adds with anything but a REG destination.
2598 * sched-int.h (struct haifa_insn_data): Add new member priority_known.
2599 (INSN_PRIORITY_KNOWN): New accessor macro.
2600 * haifa-sched.c (priority): Use it instead of testing priority against
2603 2001-02-28 DJ Delorie <dj@redhat.com>
2605 * config/m68k/m68k.h (MOVE_BY_PIECES_P): Avoid pushing bytes,
2606 since that doesn't work the way gcc wants on a generic m68k.
2608 2001-02-28 Richard Henderson <rth@redhat.com>
2610 * caller-save.c (save_call_clobbered_regs): Fix typo in
2611 comparison last change.
2613 Wed Feb 28 19:31:42 CET 2001 Jan Hubicka <jh@suse.cz>
2615 * i386.c (pentium4_cost): New.
2616 (m_PENT4): New macro.
2617 (x86_push_memory, x86_movx,x86_cmove, x86_deep_branch, x86_use_sahf
2618 x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8
2619 x86_integer_DFmode_moves, x86_partial_reg_dependency,
2620 x86_memory_mismatch_stall): Add Pentium4
2621 (x86_use_q_reg, x86_use_any_reg): Kill.
2622 (override_options): Add pentium4.
2623 (incdec_operand): Return 0 for pentium4.
2624 (ix86_issue_rate): Add PROCESSOR_PENTIUM4 and PROCESSOR_ATHLON.
2625 * i386.h (x86_use_q_reg, x86_use_any_reg): Kill.
2626 (TARGET_PENTIUM4): Define.
2627 (enum processor_type): Add PROCESSOR_PENTIUM4.
2628 (CPP_CPU_DEFAULT_SPEC): Add pentium4 support.
2629 * i386.md (attribute "cpu"): Add pentium4.
2630 * invoke.texi (march): Add pentium4.
2632 Wed Feb 28 19:28:06 CET 2001 Jan Hubicka <jh@suse.cz>
2634 * i386.md (sse_mov?fcc*): New patterns and splitters.
2635 * i386.c (ix86_expand_movcc): Work post-reload; recognize
2636 the SSE based conditional moves.
2638 Wed Feb 28 19:18:23 CET 2001 Jan Hubicka <jh@suse.cz>
2640 * i386.md (attribute mode): Add "TI".
2641 (movsf_1): Add pxor support; remove constant propagation splitter.
2642 (movdf_integer): Likewise.
2643 (movdf_nointeger): Likewise.
2644 (movxf constant prop splitter): Handle all modes; update for SSE.
2645 * i386.h (CONST_DOUBLE_OK_FOR_LETTER): Add 'H' for SSE constants.
2646 * i386.c (standard_80387_constant_p): Rewrite.
2647 (standard_sse_constant_p): New.
2648 * i386-protos.h (standard_sse_constant_p): New.
2650 Wed Feb 28 19:05:37 CET 2001 Jan Hubicka <jh@suse.cz>
2652 * i386.md (sse_setccsf, sse_setccdf): New.
2653 (sse_cmp* patterns): Use '%D' instead of outputtting condition
2655 * i386.c (sse_comparison_operator): Accept the supported unordered
2656 comparses; be ready for fast_math.
2657 (print_operand): Support 'D'.
2659 Wed Feb 28 18:54:51 CET 2001 Jan Hubicka <jh@suse.cz>
2661 * jump.c (reversed_comparison_code): Kill.
2663 Wed Feb 28 18:50:15 CET 2001 Jan Hubicka <jh@suse.cz>
2665 * toplev.c (rest_of_compilation): Do post-reload splitting unconditionally
2668 Wed Feb 28 18:47:37 CET 2001 Jan Hubicka <jh@suse.cz>
2670 * i386.md (sse_andti3, sse_nandti_3, sse_xorti3): Add SSE2 versions;
2671 add missing '%' in constraints.
2673 Wed Feb 28 17:24:24 CET 2001 Jan Hubicka <jh@suse.cz>
2675 * c-common.c (build_common_tree_nodes): Build intTI_type_nodes
2676 for HOST_BITS_PER_WIDE_INT == 32 too.
2678 Wed Feb 28 17:22:35 CET 2001 Jan Hubicka <jh@suse.cz>
2680 * caller-save.c (reg_save_code, reg_restore_code): Index by mode, not
2682 (insert_save, insert_restore): New parameter save_mode.
2683 (init_caller_save): Update initialization of reg_save_code
2684 and reg_restore_code.
2685 (save_call_clobbered_regs): Compute save_modes and update calls to
2686 reg_save_code and reg_restore_code.
2687 (insert_restore): Unsignetize numbers; use save_modes to choose mode
2688 of spill; update use of reg_restore_code.
2689 (insert_save): Likewise.
2690 * i386.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
2691 * c4x.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
2692 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): Likewise.
2694 Wed Feb 28 17:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
2696 * ifcvt.c (noce_emit_store_flag, noce_try_store_flag_constants,
2697 noce_try_store_flag_inc, noce_try_store_flag_mask,
2698 noce_try_cmove_arith):
2699 Use reversed_comparison_code instead of reverse_comparison and
2700 can_reverse_comparison_p.
2702 Wed Feb 28 17:17:29 CET 2001 Jan Hubicka <jh@suse.cz>
2704 * jump.c (reversed_comparison_code_parts): Allow reversal of
2705 unordered compares in -ffast-math mode; reverse ordered compares
2706 for FP even w/o -ffast-math.
2708 2001-02-27 Richard Henderson <rth@redhat.com>
2710 * print-rtl.c (print_rtx) [i]: Don't print field five on
2711 NOTEs other than NOTE_INSN_DELETED_LABEL.
2713 2001-02-27 Zack Weinberg <zackw@stanford.edu>
2715 * mips/xm-iris4.h: Delete #if 0 block (there since before 1997).
2716 * pa/xm-linux.h, pa/xm-pa.h, pa/xm-papro.h: Don't declare errno.
2718 2001-02-27 Diego Novillo <dnovillo@redhat.com>
2720 * c-common.c (walk_stmt_tree): Visit the chain of the current tree
2721 even if walk_subtrees is 0.
2722 * c-semantics.c (prune_unused_decls): Return a non-null value to
2723 stop traversing the tree chain.
2725 2001-02-27 DJ Delorie <dj@redhat.com>
2727 * config/m68k/m68k.c (output_function_prologue): Save the new CFA
2728 register, *then* define it as the new CFA.
2730 Tue Feb 27 16:49:13 2001 Jeffrey A Law (law@cygnus.com)
2732 * pa.c (override_options): Promote -fpic to -fPIC.
2733 (legitimize_pic_address): Simplify due to removal of
2734 small PIC as a code generation option.
2735 (secondary_reload_class): Similarly.
2736 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Similarly.
2737 (PRINT_OPERAND_ADDRESS): Similarly.
2738 * pa.md (various patterns): Similarly.
2739 (small pic lo_sum pattern): Remove.
2741 Tue Feb 27 16:01:13 CET 2001 Jan Hubicka <jh@suse.cz>
2744 * md.texi (min, max): Document
2746 Tue Feb 27 15:51:35 CET 2001 Jan Hubicka <jh@suse.cz>
2748 * i386.md (movsf, movdf): Use movaps for reg-reg moves if
2749 TARGET_PARTIAL_REG_DEPENDENCY.
2750 (truncdfsf2_1_sse, truncdfsf2_2): Penalize the fpreg->mem case.
2752 Tue Feb 27 15:36:48 CET 2001 Jan Hubicka <jh@suse.cz>
2754 * i386.md (mins*, maxs*): New patterns, expanders and splitters.
2756 2001-02-26 Jeffrey Oldham <oldham@codesourcery.com>
2758 * mips.c (mips_make_temp_file): Fix thinko in last change.
2760 2001-02-26 Jason Eckhardt <jle@redhat.com>
2762 * combine.c (known_cond): Do not reverse the condition when
2763 SMAX/UMAX is being considered and the condition is for equality
2766 * testsuite/gcc.c-torture/execute/20010221-1.c: New test.
2768 2001-02-26 Philip Blundell <philb@gnu.org>
2770 * config.gcc: Remove obsolete targets "arm*-*-linuxoldld" and
2772 * config/arm/linux-elf.h: Remove historical relics related to
2773 above configurations.
2774 * config/arm/linux-oldld.h: Delete.
2775 * config/arm/linux-elf26.h: Delete.
2777 2001-02-26 Jason Merrill <jason@redhat.com>
2779 * c-decl.c (finish_decl): Set DECL_DEFER_OUTPUT on tentative file-scope
2781 * toplev.c (rest_of_decl_compilation): Check DECL_DEFER_OUTPUT to
2782 recognize a tentative definition. Lose obsolete code.
2784 * toplev.c (wrapup_global_declarations): Don't emit DECL_COMDAT
2785 variables unless necessary, either.
2787 2001-02-25 Richard Henderson <rth@redhat.com>
2789 * ifcvt.c (struct noce_if_info): Add test_bb.
2790 (noce_get_alt_condition): New.
2791 (noce_try_minmax, noce_try_abs): New.
2792 (noce_operand_ok): New.
2793 (noce_process_if_block): Use them.
2794 * rtlanal.c (may_trap_p): NEG and ABS can never trap.
2796 Sun Feb 25 14:26:17 2001 Christopher Faylor <cgf@cygnus.com>
2798 * config/i386/cygwin.h (CPP_SPEC): Add missing space before w32api
2801 2001-02-25 Zack Weinberg <zackw@stanford.edu>
2803 * config.gcc: Put back pa/t-openbsd and rs6000/t-openbsd.
2804 * config/mips/mips.c (mips_make_temp_file): Set temp_filename
2806 (mips_asm_file_end): Free temp_filename here.
2808 Sun Feb 25 08:34:23 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2810 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): Move decl.
2811 * config/i386/i386.c (ix86_set_move_mem_attrs_1): Fix typo.
2813 * config/i386/i386.md (movstrsi): Handle FAIL case.
2815 2001-02-25 Neil Booth <neil@daikokuya.demon.co.uk>
2817 * cppinit.c (builtin_array): Update.
2818 (init_builtins): Flag builtins to warn if redefined or
2819 undefined. Define __GXX_WEAK as a normal macro.
2820 * cpplib.c (do_undef): Warn if flagged NODE_WARN.
2821 * cpplib.h (NODE_WARN): New flag.
2822 * cppmacro.c (builtin_macro): Remove handling of __GXX_WEAK__.
2823 Handle __STDC__ as a builtin only on Solaris.
2824 (warn_of_redefinition): Renamed from check_macro_definition.
2825 Reverse sense of test. Always warn if NODE_WARN.
2826 (_cpp_create_definition): Use warn_of_redefinition. Flag
2827 any macro beginning with "__STDC_" to require a mandatory
2828 warning if redefined or undefined.
2830 2001-02-24 Zack Weinberg <zackw@stanford.edu>
2832 * xm-interix.h, xm-lynx.h, alpha/xm-vms.h, convex/xm-convex.h,
2833 i370/xm-i370.h, i370/xm-linux.h, i370/xm-mvs.h, i370/xm-oe.h,
2834 i386/xm-beos.h, i386/xm-dos.h, i386/xm-mingw32.h,
2835 i860/xm-i860.h, m68k/xm-3b1.h, m68k/xm-amix.h, m68k/xm-aux.h,
2836 m68k/xm-crds.h, m68k/xm-mot3300.h, m88k/xm-sysv3.h,
2837 mips/xm-mips.h, rs6000/xm-beos.h, vax/xm-vms.h:
2838 Don't define any of:
2839 USE_PROTOTYPES, vfork, mktemp, SVR3, NO_SYS_PARAMS_H,
2840 P_tmpdir, MVS, NO_DBX_FORMAT, USE_STDARGS, STDC_HEADERS,
2841 NO_PRECOMPILES, i860, __PTR_TO_INT, __INT_TO_PTR, rindex,
2842 index, FULL_PROTOTYPES, AUX, R_OK, W_OK, X_OK, F_OK,
2843 STACK_DIRECTION, MIPS, MAX_READ_LEN, MAX_WRITE_LEN.
2845 * alpha/xm-alpha.h, clipper/xm-clix.h, d30v/xm-d30v.h,
2846 fr30/xm-fr30.h, i370/xm-linux.h: Remove commented-out macro
2849 * m68k/xm-3b1.h, m68k/xm-crds.h, m88k/xm-sysv3.h:
2850 Delete now-empty file.
2852 * alpha/vms.h: Define NEED_ATEXIT here...
2853 * alpha/xm-vms.h: ...not here.
2855 * i386/cygwin.h: Don't define PARAMS.
2856 * mips/mips.c: Don't prototype mktemp. Don't define
2857 P_tmpdir. Use make_temp_file to create temporary files.
2858 Don't be clever and delete temporary files early.
2859 * config.gcc: Drop references to deleted files. Don't define
2861 * gcc.texi: Don't mention USE_PROTOTYPES.
2863 Sat Feb 24 20:25:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2865 * config/i386/i386.c (ix86_set_move_mem_attrs): New function.
2866 (ix86_set_move_mem_attrs_1): Likewise.
2867 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): New declaration.
2868 * config/i386/i386.md (movstrsi): Call it.
2870 2001-02-24 Zack Weinberg <zackw@stanford.edu>
2872 * config.gcc: Expunge references to alpha/t-pe, pa/t-openbsd,
2873 x-linux-aout, i386/t-go32, t-osf, m68k/x-m68kv,
2874 ns32k/xm-netbsd.h, rs6000/t-openbsd, rs6000/t-xnewas,
2875 rs6000/x-aix41-gld. These are nonexistent, empty, or obsolete.
2877 (i750a-*-*): Error here if hosting on i750a.
2878 (alpha*-*-winnt*, ix86-*-winnt3*): Remove stanzas entirely.
2880 * x-linux-aout, xm-freebsd.h, i386/beos-pe.h, ns32k/xm-netbsd.h:
2881 Remove (empty modulo comments).
2883 * 1750a/xm-1750a.h, alpha/config-nt.sed, alpha/win-nt.h,
2884 alpha/xm-winnt.h, i386/config-nt.sed, i386/os2.h,
2885 i386/t-winnt, i386/win-nt.h, i386/xm-freebsd.h, i386/xm-os2.h,
2886 i386/xm-winnt.h, m68k/x-alloca-c, m88k/x-dguxbcs,
2887 mips/x-netbsd, mips/x-nws3250v4, rs6000/t-xnewas,
2888 rs6000/t-xrs6000, rs6000/xm-cygwin.h: Remove (obsolete)
2890 * i386/crtdll.h, i386/cygwin.h, i386/mingw32.h:
2891 Remove reference to winnt.h in comment.
2892 * rs6000/t-newas, rs6000/t-rs6000: Override LIBGCC1_TEST to null.
2894 2001-02-24 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2896 * loop.c (check_dbra_loop): A biv has uses besides counting if it is
2897 used to set another biv.
2899 Sat Feb 24 06:45:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2901 * tree.h (BLOCK_DEAD): New macro.
2902 (struct tree_block): New flag, dead_flag.
2903 * print-tree.c (print_node, case 'b'): Print missing fields.
2904 * emit-rtl.c (remove_unnecessary_notes): Set BLOCK_DEAD.
2905 * function.c (identify_blocks): Enable test for misplaced notes.
2906 (all_blocks): Skip BLOCK_DEAD blocks.
2907 * integrate.c (integrate_decl_tree): Likewise.
2909 * errors.c (internal_error, trim_filename): New functions.
2910 (fancy_abort): Call internal_error.
2911 * errors.h (internal_error, trim_filename): New declarations.
2913 2001-02-24 Alexandre Oliva <aoliva@redhat.com>
2915 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Reverted
2917 (EXTRA_CONSTRAINT): Formatting changes.
2919 2001-02-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2921 * rtl.c (rtl_check_failed_code2): Fix typo in last change.
2923 2001-02-23 Per Bothner <per@bothner.com>
2925 * gcc.c (record_temp_file, pfatal_with_name, error): Make non-static,
2926 so they can be called from java/jvspec.c.
2927 * gcc.h (record_temp_file, pfatal_with_name, error): Declare.
2929 Sat Feb 24 03:32:50 CET 2001 Jan Hubicka <jh@suse.cz>
2931 * i386.c (ix86_frame): New structure.
2932 (ix86_compute_frame_size): Kill.
2933 (ix86_compute_frame_layout): New.
2934 (ix86_save_reg): New.
2935 (ix86_can_use_return_insn_p): Use frame layout stuff.
2936 (ix86_expand_prologue): Likewise.
2937 (ix86_expand_epilogue): Likewise.
2938 (ix86_initial_elimination_offset): Likewise.
2939 (ix86_nsaved_regs): Use ix86_save_reg.
2940 (ix86_emit_save_regs): Likewise.
2942 Sat Feb 24 03:30:38 CET 2001 Jan Hubicka <jh@suse.cz>
2944 * flow.c (find_sub_basic_blocks): New function.
2945 (split_block): Be ready for basic block introduced by CODE_LABEL.
2946 (commit_one_edge_insertion): Call find_sub_basic_block.
2948 * flow.c (make_edges): Add edge from entry for blocks starting with
2949 label having ALTERNATE_NAME
2951 Sat Feb 24 03:19:42 CET 2001 Jan Hubicka <jh@suse.cz>
2953 * function.c (epilogue_done): Be ready for first basic block not
2954 containing PROLOGUE_END note.
2955 (reposition_prologue_and_epilogue_notes): Avoid placing
2956 PROLOGUE_END note between BASIC_BLOCK.
2958 Sat Feb 24 03:17:09 CET 2001 Jan Hubicka <jh@suse.cz>
2960 * loop.c (canonicalize_condition): Move to reversed_comparison_code.
2962 2001-02-21 DJ Delorie <dj@redhat.com>
2964 * config/i960/i960.h (FRAME_POINTER_REQUIRED): Revert removal of
2965 check for current_function_has_nonlocal_goto from 1999-11-12.
2967 Fri Feb 23 15:28:39 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2969 * diagnostic.c (trim_filename): No longer static.
2970 * toplev.h (trim_filename): Declare.
2971 * rtl.c (rtl_check_failed_bounds): Call internal_error.
2972 (rtl_check_failed_type1, rtl_check_failed_type2): Likewise.
2973 (rtl_check_failed_code1, rtl_check_failed_code2): Likewise.
2974 (rtvec_check_failed_bounds): Likewise.
2975 * tree.c (tree_check_failed, tree_class_check_failed): Likewise.
2977 * convert.c (convert_to_integer): Don't do unsigned unless result or
2978 both inputs are unsigned.
2980 * fold-const.c (fold_convert): Don't call size_int_type_wide if
2983 * c-decl.c (set_block): Set NAMES and BLOCKS from BLOCK.
2985 * varasm.c (output_constant): Recompute CODE after lang-specific fn.
2987 2001-02-23 Jeffrey Oldham <oldham@codesourcery.com>
2989 * Makefile.in (resource.o): Add params.h dependence.
2990 * params.def (MAX_DELAY_SLOT_LIVE_SEARCH): New parameter.
2991 * params.h (MAX_DELAY_SLOT_LIVE_SEARCH): Likewise.
2992 * resource.c: Add dependence on params.h.
2993 (current_live_regs): Fix explanatory comment.
2994 (find_basic_block): Add new parameter to permit limiting search
2996 (mark_target_live_regs): Add new argument to find_basic_block call.
2997 (incr_ticks_for_insn): Likewise.
2999 2001-02-23 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
3001 * diagnostic.c (output_to_stream): Rename to
3002 output_buffer_to_stream. Loses the stream parameter.
3003 (init_output_buffer): Set diagnosic_buffer's stream.
3004 (flush_diagnostic_buffer): Adjust.
3005 (default_print_error_function): Likewise.
3006 (finish_diagnostic): Likewise.
3007 (verbatim): Likewise.
3009 * diagnostic.h (struct output_buffer): Add `stream' field.
3010 (output_buffer_attached_stream): New macro.
3012 2001-02-23 Jakub Jelinek <jakub@redhat.com>
3014 * fold-const.c (extract_muldiv) [case PLUS_EXPR]: If not MULT_EXPR,
3015 check if either operand is divisible by C.
3016 (multiple_of_p): Handle LSHIFT_EXPR with small constant shift.
3017 If type is signed, consider negative numbers as well.
3019 2001-02-22 Richard Henderson <rth@redhat.com>
3021 * config/ia64/crtbegin.asm (.fini): Use pc-relative relocs to
3022 reach .text instead of gp-relative relocs.
3023 * config/ia64/crtend.asm (.init): Likewise.
3025 2001-02-22 Andreas Jaeger <aj@suse.de>
3027 * extend.texi (C++ Attributes): Fix typo.
3029 2001-02-21 David Mosberger <davidm@hpl.hp.com>
3031 * config/ia64/ia64.c (ia64_epilogue_uses): For syscall_linkage
3032 functions, drop current_function_args_info.words test.
3033 (ia64_compute_frame_size): Mark syscall_linkage functions as
3034 using eight input registers.
3036 2001-02-21 Loren J. Rittle <ljrittle@acm.org>
3037 Bruce Korb <bkorb@gnu.org>
3039 * fixinc/inclhack.def (freebsd_gcc3_breakage): new fix
3040 * fixinc/README: Document how to convert sed substitutions
3041 to format style c_fix-es.
3042 * fixinc/fixincl.x: regen
3044 2001-02-21 Jeffrey D. Oldham <oldham@codesourcery.com>
3046 * gcc.c: Add comment explaining how to add a command-line option.
3047 Add title to specs language comment.
3049 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
3051 * gcc.c (cc1_options): Add "-param".
3052 (DEFAULT_WORD_SWITCH_TAKES_ARG): Likewise.
3053 (option_map): Likewise.
3054 * toplev.c (display_help): Add entry for "--param".
3055 (independent_decode_option): Fix typographical error.
3057 Wed Feb 21 18:57:28 CET 2001 Catherine Moore <clm@redhat.com>
3058 Bernd Schmidt <bernds@redhat.com>
3059 Jan Hubicka <jh@suse.cz>
3061 * i386.c (function_arg_advance): Pass SSE arguments in registers.
3062 (function_arg): Likewise.
3064 Wed Feb 21 18:12:41 CET 2001 Jan Hubicka <jh@suse.cz>
3066 * i386.md (mmx_lshrdi3, mmx_ashldi3): Guard by unspec.
3068 2001-02-21 Kazu Hirata <kazu@hxi.com>
3070 * config/h8300/h8300.md (iorsi3): Do not output an extra newline
3074 Wed Feb 21 17:35:24 CET 2001 Jan Hubicka <jh@suse.cz>
3076 * flow.c (init_propagate_block_info): Canon address and use single_set
3077 for killing dead memory stores.
3079 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
3081 * Makefile.in (reorg.o): Add params.h dependence.
3082 * params.def: Fix typographical error in comment.
3083 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
3084 * params.h: Modify introductory comment.
3085 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
3086 * reorg.c: Add dependence on params.h.
3087 (redundant_insn): Add parameterized throttle for search.
3088 (fill_simple_delay_slots): Add a comment explaining a variable.
3089 Move conditional out of loop, simplifying code.
3090 (fill_eager_delay_slots): Fix typographical error in comment.
3092 2001-02-20 Aldy Hernandez <aldyh@redhat.com>
3094 * tm.texi (REVERSE_CONDEXEC_PREDICATES_P): New macro documentation.
3096 * flow.c (ior_reg_cond): Use REVERSE_CONDEXEC_PREDICATES_P macro.
3097 (REVERSE_CONDEXEC_PREDICATES_P): Define macro.
3099 2001-02-21 Jason Merrill <jason@redhat.com>
3101 * tree.h (DECL_UNINLINABLE): Move from C++ frontend.
3102 (struct tree_decl): Add uninlinable bitfield.
3103 * c-decl.c (duplicate_decls): Set it.
3104 * integrate.c (function_cannot_inline_p): Check it.
3106 * dwarf2out.c (add_name_and_src_coords_attributes): Don't add
3107 DW_AT_MIPS_linkage_name to abstract methods.
3108 (dwarf2out_abstract_function): Emit class context before calling
3109 set_decl_abstract_flags. Don't clear DECL_ABSTRACT.
3110 (gen_subprogram_die): Remove obsolete code.
3111 (gen_member_die): Don't include clones in the member list.
3112 (gen_decl_die): Emit abstract info for clone origin.
3113 * dwarfout.c (output_type): Don't include clones in the member list.
3114 * dbxout.c (dbxout_type_methods): Ignore abstract methods.
3115 * toplev.c (note_deferral_of_defined_inline_function): Don't clear
3116 DECL_ABSTRACT on a function that already has it set.
3118 * dwarf2out.c (gen_formal_types_die): Also accept a FUNCTION_DECL.
3119 (get_subprogram_die): Pass it in.
3121 2001-02-21 Richard Earnshaw <rearnsha@arm.com>
3123 * flow.c (mark_set_1): Make not_dead unsigned long. For
3124 non-pseudos, use it as a bitmask of the hard regs that
3127 2001-02-21 Neil Booth <neil@daikokuya.demon.co.uk>
3129 * cppfiles.c: Update comments.
3130 (_cpp_read_file): Don't check for NULL filenames any more.
3131 * cppinit.c (cpp_start_read): Don't do canonicalization of
3132 in_fname and out_fname. Use the passed file name exclusively.
3133 (_cpp_handle_options): Don't treat "-" as a command line option,
3134 but as a normal filename.
3135 (_cpp_post_options): Canonicalize in_fname and out_fname.
3136 * cppmain.c (printer_init): Don't check out_fname for NULL.
3137 * c-lex.c (orig_filename): Rename cpp_filename for clarity.
3138 (init_c_lex): Update, and use "" to represent stdin to CPP.
3141 2001-02-20 Will Cohen <wcohen@redhat.com>
3143 * config/pa/quadlib.c (_U_Qfcnvfxt_quad_to_usgl): New function.
3144 * config/pa/long_double.h (FIXUNS_TRUNCTFSI2_LIBCALL): Added.
3145 (INIT_TARGET_OPTABS): Use FIXUNS_TRUNCTFSI2_LIBCALL for
3148 2001-02-20 Stan Shebs <shebs@apple.com>
3150 * config/rs6000/rs6000.c (output_cbranch): Output branches
3151 on separate lines instead of using ';' to separate.
3153 2001-02-20 Neil Booth <neil@daikokuya.demon.co.uk>
3155 * cppinit.c (set_lang): Move builtin handling to...
3156 (init_builtins): ...here.
3157 (_cpp_create_reader): Move call to set_lang.
3159 2001-02-20 Mark Mitchell <mark@codesourcery.com>
3161 * stmt.c (expand_return): If an attempt is made to return the
3162 error_mar_node, treat the return like a return without a value.
3164 2001-02-19 Zack Weinberg <zackw@stanford.edu>
3166 * sibcall.c (skip_copy_to_return_value): Call
3167 identify_call_return_value here, and return orig_insn if it
3168 returns zero. Hardret and softret arguments now unnecessary.
3169 (call_ends_block_p): Don't call identify_call_return_value here.
3171 * ggc-common.c (ggc_mark_rtx_children): No need to mark 'S' or
3173 * ggc-page.c, ggc-simple.c (ggc_mark_if_gcable): Delete function.
3174 * ggc.h (ggc_mark_if_gcable): Delete prototype.
3176 Mon Feb 19 20:30:16 2001 Jeffrey A Law (law@cygnus.com)
3178 * pa.c (move_operand): Accept code to load the address of a
3179 symbol out of the DLT as a valid move operand.
3180 (print_operand, case 'A'): New to handle generating a DLT
3181 reference for a LO_SUM expression.
3182 * pa.h (EXTRA_CONSTRAINT): Handle 'A' for DLT LO_SUM references.
3183 * pa.md (movsi, movdi patterns): Allow DLT LO_SUM references.
3185 2001-02-19 Joseph S. Myers <jsm28@cam.ac.uk>
3187 * README, cpp.texi, gcc.texi, version.c: Update version number to
3189 * cpp.1, gcov.1, gcc.1: Regenerate.
3191 2001-02-19 Neil Booth <neil@daikokuya.demon.co.uk>
3193 * cppfiles.c (stack_include_file): Generate dependencies
3194 here, and manage include_count here too.
3195 (PRINT_THIS_DEP): Delete.
3196 (_cpp_execute_include): Do not generate dependencies here,
3197 apart from the case of a missing header. Do not manage
3199 (_cpp_read_file): Leave dependency generation to
3202 Mon Feb 19 10:17:47 2001 Jeffrey A Law (law@cygnus.com)
3204 * config.gcc (hppa*64*-*-hpux11*): Add MASK_GAS to
3205 target_cpu_default. Remove dead assignment to
3208 Mon Feb 19 16:47:39 CET 2001 Jan Hubicka <jh@suse.cz>
3210 * regclass.c (contains_reg_of_mode): Make global.
3211 (init_reg_sets): Remove contains_reg_of_mode; take into account
3212 CLASS_MAX_NREGS when looking for the proper mode.
3213 (dump_regclass): Dump only classes considered for the pseudo.
3214 (regclass): Use contains_reg_of_mode.
3216 Mon Feb 19 16:45:42 CET 2001 Jan Hubicka <jh@suse.cz>
3218 * gcc.c (do_spec_1): 'n' for printing notices.
3219 * i386.h (CC1_CPU_SPEC): Notice deprecated options as deprecated.
3221 Mon Feb 19 15:51:30 CET 2001 Jan Hubicka <jh@suse.cz>
3223 * reg-stack.c (next_flags_user): Use current_block->end
3224 (swap_rtx_condition): Look for next user if flags don't die;
3225 give up on CALL_INSNs; use current_block->end.
3227 Mon Feb 19 08:27:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3229 * sibcall.c (call_ends_block_p): New function.
3230 (optimize_sibling_and_tail_recursive_call): Use it.
3232 2001-02-18 Kazu Hirata <kazu@hxi.com>
3234 * config/h8300/h8300.md: Update copyright.
3235 (andsi3): Do not output an extra newline character.
3237 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3239 * toplev.c (note_deferral_of_defined_inlined_function): Argument
3240 FNDECL may be unused.
3242 * toplev.c (rest_of_compilation): Don't have CSE skip blocks or
3243 follow jumps after first run.
3244 If -fexpensive-optimizations rerun CSE after GCSE and iterate until
3245 it doesn't change any jumps.
3247 Sun Feb 18 17:05:50 2001 Jeffrey A Law (law@cygnus.com)
3249 * Makefile.in (rtlanal.o): Depend on hard-reg-set.h.
3250 ($HOST_PREFIX_1)rtlanal.o: Remove rules for building
3251 (mostlyclean): Corresponding changes.
3252 * rtlanal.c (hard-reg-set.h): Include.
3253 (rtx_unstable_p): Do not treat the argument pointer specially
3254 if it is not a fixed register.
3255 (rtx_varies_p, rtx_addr_can_trap_p): Similarly.
3257 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3259 * sibcall.c (optimize_sibling_and_tail_recursive_call): Compare
3260 against last real insn in basic block.
3261 Rework to avoid gotos.
3263 * Makefile.in (gcse.o): Now includes ggc.h.
3264 * gcse.c: Include ggc.h.
3265 (want_to_gcse_p): Verify expression can be in SET as valid insn.
3266 (try_replace_reg): Remove warning of uninitialize variable.
3267 (process_insert_insn): Call invalid_insn_p to validate insn.
3268 * recog.c (insn_invalid_p): Now global.
3269 See if can make valid by adding CLOBBERs of SCRATCH only and do if so.
3270 * recog.h (insn_invalid_p): New declaration.
3272 * jump.c (jump_optimize_1): Only define reversed_code #ifdef HAVE_trap.
3274 * config/sparc/sparc.c (eligible_for_epilogue_delay): Don't put
3275 assignments from FP constants since 'Y' output code can't handle it.
3276 (eligible_for_sibcall_delay): Likewise.
3278 * flow.c (print_rtl_and_abort_fcn): Renamed from print_rtl_and_abort.
3279 Call fancy_abort directly, passing args.
3280 (print_rtl_and_abort): Now a macro, like fancy_abort.
3282 * final.c (output_operand_lossage): Use internal_error, not error.
3284 2001-02-18 Shane Nay <shane@agendacomputing.com>
3286 * mips.c (mips_expand_prologue) Add REG_MAYBE_DEAD to
3287 structure shift insns.
3289 2001-02-18 Mark Mitchell <mark@codesourcery.com>
3291 * invoke.texi (-fsquangle): Remove documentation.
3292 (-fname-mangling-version): Likewise.
3294 2001-02-18 Lars Brinkhoff <lars@nocrew.org>
3296 * optabs.c (expand_abs): Remove reference to
3297 HAVE_contitional_arithmetic.
3298 * combine.c (simplify_set): Likewise.
3300 2001-02-18 Richard Henderson <rth@redhat.com>
3302 * ifcvt.c (dead_or_predicable): Don't move code if eh regions
3305 2001-02-18 Richard Henderson <rth@redhat.com>
3307 * config/ns32k/ns32k.h (ADJSP): Upcase arguments.
3309 * config/alpha/alpha.md (movsi_fix): Fix typo in pattern name.
3311 * reload1.c (reload_cse_simplify_set): Fix typo.
3313 Sun Feb 18 09:30:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3315 * diagnostic.c (_fatal_insn): Decrement errorcount.
3317 * invoke.texi (-I): Add note avoiding use for system header files.
3319 * rtl.h (add_clobbers): Remove duplicate declaration.
3320 * recog.h (added_clobbers_hard_reg_p): New declaration.
3321 * genemit.c (struct clobber_pat): New field has_hard_reg.
3322 (gen_insn): Record if added clobbers clobber hard reg.
3323 (gen_split): Avoid unused warning if number of operands is 0.
3324 (output_added_clobbers_hard_reg_p): New function.
3327 2001-02-18 Alan Modra <alan@linuxcare.com.au>
3329 * pa.c (hppa_expand_prologue): Simplify code storing return
3330 pointer. For large (>=8k) frames with a post_store, adjust stack
3331 pointer by 8k-64 first rather than by 64. When testing with
3332 VAL_14_BITS_P, always use the actual value rather than the value
3333 negated. Add blockage to prevent scheduling of spills before
3334 stack frame has been created.
3335 (hppa_expand_epilogue): Simplify code loading return pointer.
3336 Allow a slightly larger range for merge_sp_adjust_with_load case.
3337 When testing with VAL_14_BITS_P, always use the actual value.
3339 * pa.c (pa_adjust_insn_length): Check that block move
3340 pattern is a set before looking at operands.
3342 2001-02-17 Mark Mitchell <mark@codesourcery.com>
3344 * fold-const.c (fold_binary_op_with_conditional_arg): New
3345 function, split out from ...
3347 * tree.def (COND_EXPR): Document the use of VOID_TYPE for
3348 conditional arms that throw exceptions.
3350 * print-tree.c (print_node): Do not use BLOCK_CHAIN when we're not
3353 2001-02-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3355 * aclocal.m4 (gcc_AC_CHECK_DECL): Before attempting the test,
3356 define HAVE_DECL_* to 1 to mask potential backup declarations.
3357 * configure: Regenerated.
3359 2001-02-17 Mark Mitchell <mark@codesourcery.com>
3361 * invoke.texi (-Woverloaded-virtual): Clarify documentation.
3363 2001-02-17 Richard Henderson <rth@redhat.com>
3365 * reload1.c (reload_cse_simplify_set): Respect LOAD_EXTEND_OP
3366 when replacing a memory load with a register.
3368 Sat Feb 17 14:48:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3369 Jan Hubicka <jh@suse.cz>
3371 * recog.c (validate_replace_src_1): New.
3372 (validate_replace_src_data): Likewise.
3373 (validate_replace_src): Use note_uses.
3374 * rtl.h (note_uses): Declare.
3375 * rtlanal.c (note_uses): New.
3377 Sat Feb 17 10:52:34 CET 2001 Jan Hubicka <jh@suse.cz>
3379 * reg-stack.c (stack_def): Make field reg unsigned.
3380 (remove_regno_note): Unsignetize parameter.
3382 2001-02-16 Jes Sorensen <jes@linuxcare.com>
3384 * ia64.c (errata_emit_nops): Add VOIDmode as second argument to
3385 shladd_operand() call.
3387 2001-02-16 Bruce Korb <bkorb@gnu.org>
3388 Rodney Brown <RodneyBrown@mynd.com>
3390 * fixinc/mkfixinc.sh: Use C fixincludes for UnixWare 7.
3391 * fixinc/inclhack.def: Add fixinc.svr4 patterns with matching
3392 machine restrictions
3393 * fixinc/fixincl.x: regen
3395 Fri Feb 16 12:41:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3397 * gcse.c (hash_scan_set): If cprop, see if REG_EQUAL or REG_EQUIV.
3399 (hash_scan_insn): Clean up calls to hash_scan_set.
3400 (compute_kill_rd): REGNO now unsigned.
3401 (try_replace_reg): Rework to use simplify_replace_rtx.
3402 (cprop_jump, cprop_cc0_jump): Likewise.
3403 (cprop_insn): Call find_reg_equal_equiv_note.
3404 Reflect changes to cprop_jump and cprop_cc0_jump.
3406 * recog.c (validate_replace_src): Replace in operands of
3407 ZERO_EXTRACT in SET_DEST.
3409 * cse.c (new_label_ref): New variable.
3410 (insert): Set it instead of recorded_label_ref.
3411 (cse_basic_block): Set recorded_label_ref if new_label_ref use, has
3412 CODE_LABEL for this function, and not already in REG_LABEL note.
3414 2001-02-16 Jeffrey Oldham <oldham@codesourcery.com>
3416 * resource.c (mark_referenced_resources): Fix typo in introductory
3418 * config/mips/abi64.h (SUBTARGET_TARGET_OPTIONS): Fix typo in
3421 2001-02-16 Jason Merrill <jason@redhat.com>
3423 * dwarf2out.c (add_bound_info): Don't crash if SAVE_EXPR_RTL is
3425 (gen_subprogram_die): Don't abort on seeing a second definition if
3426 the previous one was abstract. Don't replace an abstract instance
3427 in the lookup table.
3429 * dwarf2out.c (dwarf2out_abstract_function): Rename from
3430 gen_abstract_function.
3431 * dwarf2out.h: Declare it.
3432 * toplev.c (note_outlining_of_inline_function): New fn.
3433 * toplev.h: Declare it.
3434 * integrate.c (output_inline_function): Call it.
3435 * c-decl.c (duplicate_decls): Call it when redefining an extern
3436 inline. Don't inline the new defn.
3438 * tree.h (BLOCK_CHAIN): Use BLOCK_CHECK.
3440 2001-02-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3442 * .gdbinit: Rename to gdbinit.in.
3443 * gdbinit.in: New file,
3444 * configure.in: Generate .gdbinit from gdbinit.in.
3445 * configure: Regenerated.
3446 * Makefile.in (distclean): Always remove .gdbinit.
3448 2001-02-16 Jakub Jelinek <jakub@redhat.com>
3450 * objc/objc-act.c (start_class): Register implemented_classes with
3453 2001-02-16 Neil Booth <neil@daikokuya.demon.co.uk>
3455 * cppfiles.c (_cpp_make_system_header): Generate a file
3458 2001-02-15 Jim Meyering <meyering@lucent.com>
3460 * Makefile.in (install-common): Don't depend on installdirs here.
3461 Instead, make each of the lang.install-common targets (e.g.,
3462 c++.install-common in cp/Make-lang.in) depend on it.
3463 (install-driver): Depend on installdirs.
3465 Thu Feb 15 21:30:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3467 * flow.c (tidy_fallthru_edge): Never end block on line number NOTE.
3469 * function.c (assign_parms): Set RTX_UNCHANGING_P in pseudo when we
3472 2001-02-15 Mark Mitchell <mark@codesourcery.com>
3474 * invoke.texi (--param): Document.
3476 Thu Feb 15 15:16:38 2001 Alexandre Oliva <aoliva@redhat.com>
3478 * config/sh/sh.h (BOOL_TYPE_SIZE): Don't define.
3480 Thu Feb 15 10:52:31 CET 2001 Jan Hubicka <jh@suse.cz>
3482 * i386.md (extendsfdf2_2): Fix constraints.
3484 Thu Feb 15 09:46:21 CET 2001 Jan Hubicka <jh@suse.cz>
3486 * i386.md (fop_df_3 splitter): Fix operand number.
3488 Wed Feb 14 12:37:37 CET 2001 Jan Hubicka <jh@suse.cz>
3490 * invoke.texi (-mreg-alloc): Nuke.
3491 * i386.c (ix86_reg_alloc_order, regs_allocated,
3492 order_regs_for_local_alloc): Nuke.
3493 (override_options): Kill reg_alloc code.
3494 * i386.h (TARGET_OPTIONS): Kill reg-alloc.
3495 (REG_ALLOC_ORDER): SSE goes before I387.
3496 (ORDER_REGS_FOR_LOCAL_ALLOC): Kill.
3497 (ix86_reg_alloc_order): Likewise.
3498 * i386-protos.h (ix86_reg_alloc_order): Kill.
3500 2001-02-14 Richard Henderson <rth@redhat.com>
3502 * toplev.c (f_options): Clarify -fschedule-insns2 documentation.
3504 Wed Feb 14 11:59:58 CET 2001 Jan Hubicka <jh@suse.cz>
3506 * i386.h (RETURN_IN_MEMORY): Fix formating; reject TFmodes
3508 Wed Feb 14 11:12:38 CET 2001 Jan Hubicka <jh@suse.cz>
3510 * i386-protos.h (ix86_memory_move_cost): Move offline.
3511 * i386.c (ix86_register_move_cost): Compute properly cost of
3512 SSE, MMX and i387 instructions.
3513 (*_cost): Add costs of SSE/MMX moves.
3514 (ix86_memory_move_cost): Move offline from ....; Likewise.
3515 * i386.h (MEMORY_MOVE_COST): .... here;
3516 (struct processor costs): Add new fields to represent costs
3519 Wed Feb 14 10:08:26 CET 2001 Jan Hubicka <jh@suse.cz>
3521 * regclass.c (init_reg_sets_1): Reinstall the optimization of
3522 move_cost together with Matt Kraai's fix.
3524 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
3526 * Makefile.in (OBJS): Add params.o.
3528 2001-02-14 Richard Henderson <rth@redhat.com>
3529 DJ Delorie <dj@redhat.com>
3531 * jump.c (jump_optimize_1): When we delete a conditional jump
3532 preceeding a non-conditional jump to effectively the same place,
3533 make sure that the combined jump skips any clobber insns between
3536 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
3538 * gcc.c (do_spec_1): Fix off-by-one error for '%M' case.
3540 2001-02-14 Mark Mitchell <mark@codesourcery.com>
3542 * Makefile.in (toplev.o): Depend on params.h.
3543 (intergate.o): Likewise.
3544 (params.o): New target.
3545 * flags.h (inline_max_insns): Remove.
3546 * integrate.c: Include params.h.
3547 Use MAX_INLINE_INSNS instead of inline_max_insns.
3548 * params.c: New file.
3549 * params.h: Likewise.
3550 * params.def: Likewise.
3551 * toplev.c: Include params.h.
3552 (lang_independent_params): New variable.
3553 (decode_f_option): Use the param machinery instead of setting
3555 (independent_decode_option): Handle "--param name=value".
3556 (main): Register language-independent parameters.
3558 Wed Feb 14 11:13:45 CET 2001 Jan Hubicka <jh@suse.cz>
3560 * i386.md (pushsf, pushdf_nointeger): Fix constraint.
3562 2001-02-14 Richard Henderson <rth@redhat.com>
3564 * regclass.c (init_reg_sets_1): Revert last two changes.
3566 2001-02-14 Jakub Jelinek <jakub@redhat.com>
3568 * stor-layout.c (is_pending_size, put_pending_size): New functions.
3569 (variable_size): Call put_pending_size.
3570 * tree.h (is_pending_size, put_pending_size): Add prototypes.
3571 * fold-const.c (extract_muldiv): If SAVE_EXPR is on the pending
3572 sizes list, put newly created SAVE_EXPR there as well.
3574 2001-02-14 Jakub Jelinek <jakub@redhat.com>
3576 * config/ia64/ia64.c (last_group): Only 2 entries are needed.
3577 (errata_find_address_regs): load_group has only 2 entries.
3578 (errata_emit_nops): Likewise. shladd is not problematic.
3579 Clear last_group if nop was emitted.
3580 (fixup_errata): load_group has only 2 entries.
3583 2001-02-14 Neil Booth <neil@daikokuya.demon.co.uk>
3585 * c-lex.c (lex_number): Only warn traditionally for U suffix
3586 outside system macros.
3587 * cppexp.c (parse_number): Similarly.
3588 * cpplib.h (NODE_SYSHDR, cpp_sys_objmacro_p): New.
3589 * cppmacro.c (struct cpp_macro): New member node.
3590 (parse_args): Only warn about missing rest args if not
3592 (funlike_invocation_p): Similarly for uninvoked funlike macros.
3593 (cpp_sys_objmacro_p): New.
3594 (_cpp_create_definition): Store the node with the macro defn.
3595 Remember if the macro is defined in a system header.
3597 2001-02-13 DJ Delorie <dj@redhat.com>
3599 * configure.in (check_languages): determine languages to check
3600 * Makefile.in (check-c++): alias for check-g++
3601 (check-f77): alias for check-g77
3602 (CHECK_TARGETS): depend on configured languages
3604 Wed Feb 14 01:13:59 CET 2001 Jan Hubicka <jh@suse.cz>
3606 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
3607 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
3608 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
3609 (sqrtextendsfdf2): Disable for SSE2.
3611 Wed Feb 14 00:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
3613 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
3614 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
3615 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
3616 (sqrtextendsfdf2): Disable for SSE2.
3618 Wed Feb 14 00:11:20 CET 2001 Jan Hubicka <jh@suse.cz>
3620 * i386.md (movsfcc_1): Support integer cmove instruction.
3621 (movdfcc_1): Likewise; new splitter.
3623 Tue Feb 13 23:19:27 CET 2001 Jan Hubicka <jh@suse.cz>
3625 * i386.c (output_fp_compare): Support SSE.
3626 (prepare_fp_compare_args): SSE comparisons always support memory.
3627 * i386.h (TARGET_CMOVE): SSE imply cmove.
3628 * i386.md (cmp?f2): Enable for SSE too.
3629 (cmpfp_i*): Support SSE.
3631 (cmpfp_i_sse_only): New.
3632 (s*, b* fp expanters): Enable for SSE too.
3633 (fp_jcc_1_sse, fp_jcc_1_sse_only, fp_jcc_2_sse, fp_jcc_2_sse_only):
3636 Tue Feb 13 23:05:42 CET 2001 Jan Hubicka <jh@suse.cz>
3638 * regclass.c (init_reg_sets_1): Silence warning.
3640 Tue Feb 13 22:03:07 CET 2001 Jan Hubicka <jh@suse.cz>
3642 * i386.md (sqrt?f2): Change to expander.
3643 (sqrt?f2_1, sqrt?f2_sse_only, sqrt?f2_i387): New.
3645 Tue Feb 13 15:42:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3647 * rtlanal.c (find_reg_equal_equiv_note): New function.
3648 * simplify-rtx.c (simplify_gen_unary, simplify_gen_ternary): New fns.
3649 (simplify_gen_relational, simplify_replace_rtx): Likewise.
3650 * rtl.h: Add declarations for above functions.
3652 Tue Feb 13 21:09:11 CET 2001 Jan Hubicka <jh@suse.cz>
3654 * cse.c (cse_main): Converts ifdefs on PIC_OFFSET_TABLE_REGNUM to
3656 * defaults.h (PIC_OFFSET_TABLE_REGNUM): Default to INVALID_REGNUM.
3657 * emit-rtl.c (init_emit_once): Convert ifdefs to conditionals.
3658 * flow.c (mark_regs_live_at_end): Likewise.
3659 (calculate_global_regs_live): Likewise.
3660 * gcse.c (compute_hash_table): Likewise.
3661 (compute_kill_rd): Likewise.
3662 * resource.c (mark_target_live_regs): Likewise.
3663 * rtl.h (INVALID_REGNUM): New macro.
3665 Tue Feb 13 20:59:22 CET 2001 Jan Hubicka <jh@suse.cz>
3667 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch.
3669 Tue Feb 13 16:32:20 CET 2001 Jan Hubicka <jh@suse.cz>
3671 * i386.md (fixsfsi2, fixdfdi2): Force operand to register
3674 Tue Feb 13 14:53:16 CET 2001 Jan Hubicka <jh@suse.cz>
3676 * i386.md (add?f3, sub?f3, mul?f3, dif?f3): Enable for TARGET_SSE(2)
3678 (fop_sf_comm, fop_df_comm, fop_sf_1, fop_df_1): Support SSE.
3679 (fop_sf_comm_sse, fop_df_comm_sse): New patterns.
3680 (fop_sf_1_sse, fop_df_1_sse): New patterns
3681 (fop_*): Disable float_extend and float patterns for SSE compilation.
3682 * i386.c (output_387_binary_op): Support SSE.
3684 Tue Feb 13 14:16:34 CET 2001 Jan Hubicka <jh@suse.cz>
3686 * i386.md (dummy_extendsfdf2): Support SSE2
3687 (extendsfdf2): Enable if 80387 or SSE2.
3688 (extendsfdf2_1): Support SSE2. Disable if SSE2 is avialble
3689 and no MIX_I387_SSE2
3690 (extendsfdf2_1_sse_only): New pattern.
3691 (truncdfsf2): Enable if SSE2 or 80387; Always use SSE only version
3693 (truncdfsf2_1): Support SSE.
3694 (truncdfsf2_2): Support SSE.
3695 (truncdfsf2_2_1_sse): New pattern.
3696 (fixtruncsfsi2): Always use SSE if available.
3697 (fix_truncsfsi_sse): New pattern.
3698 (fix_truncdfsi_sse): New pattern.
3699 (floatsis?f2): Support SSE.
3700 (floatsidf2_i387): New pattern.
3701 (floatsidf2_sse): Likewise.
3703 Tue Feb 13 07:52:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3705 * configure.in: Use "have_gnat" variable, not "gnat".
3706 * configure: Regenerated.
3708 * config/sparc/sparc.c (function_value): Treat all non-record
3709 aggregate types like used to treat UNION_TYPE.
3711 Tue Feb 13 13:31:33 CET 2001 Jan Hubicka <jh@suse.cz>
3713 * i386.c (print_reg): Use ANY_FP_REG instead of FP_REG
3714 * i386.h (MASK_128BIT_LONG_DOUBLE): Renumber
3716 (MASK_MIX_SSE_I387): New.
3717 (TARGET_SSE): SSE2 imply SSE.
3718 (TARGET_SSE2, TARGET_MIX_SSE_I387): New.
3719 (TARGET_SWITCHES): Add "sse2", "mix-sse-i387".
3720 (enum reg_class): Add new classes.
3721 (REG_CLASS_NAMES): Likewise.
3722 (REG_CLASS_CONTENTS): Likewise.
3723 (ANY_FP_REG_P, ANY_FP_REGNO_P, SSE_REG_P, SSE_FLOAT_MODE): New macros.
3724 (REG_CLASS_FROM_LETTER): 'x' and 'y' is SSE_REGS only when SSE is
3725 supported. Add 'Y' to be SSE_REGS when SSE2 is supported.
3726 (CLASS_MAX_NREGS): Use new macros.
3727 (REGISTER_MOVE_COST): Rewrite using SECONDARY_MEMORY_MAYBE_NEEDED.
3728 * i386.md (pushsf, movsf): Support SSE.
3729 (pushdf_nointeger, pushdf_integer, pushdf): Support SSE, update
3730 splitters to use ANY_FP_REGNO_P.
3731 (movdf_nointeger, movdf_integer): Likewise.
3733 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
3735 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): New macro.
3736 (try_combine): Use it.
3738 Tue Feb 13 11:37:06 CET 2001 Jan Hubicka <jh@suse.cz>
3740 * i386.h (SSE_CLASS_P, MMX_CLASS_P, MAYBE_FLOAT_CLASS_P,
3741 MAYBE_SSE_CLASS_P, MAYBE_MMX_CLASS_P): New macros.
3742 (PREFERRED_RELOAD_CLASS, SECONDARY_MEMORY_NEEDED): Move offline.
3743 (REGISTER_MOVE_COST): Likewise.
3744 * i386-protos.h (ix86_secondary_memory_needed,
3745 ix86_preferred_reload_class, ix86_register_move_cost): Declare.
3746 * i386.c (ix86_secondary_memory_needed,
3747 ix86_preferred_reload_class, ix86_register_move_cost): New function.
3749 Die Feb 13 11:04:25 CET 2001 Jan Hubicka <jh@suse.cz>
3751 * i386.h (VALID_FP_MODE_P, VALID_INT_MODE_P): New.
3752 (HARD_REGNO_MODE_OK): Move offline to ....
3753 * i386.c (ix86_hard_regno_mode_ok) ... here;
3754 refuse all incorrect modes.
3755 * i386-protos.h (ix86_hard_regno_mode_ok): Declare.
3757 2001-02-13 Richard Henderson <rth@redhat.com>
3759 * sparc.md (cmp_cc_arith_op_set): Don't use match_dup on the
3760 entire operator; replicate that and match_dup the operands.
3761 (cmp_ccx_arith_op_set): Likewise.
3762 (cmp_cc_arith_op_not_set): Likewise.
3763 (cmp_ccx_arith_op_not_set): Likewise.
3765 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
3767 * explow.c (trunc_int_for_mode): Sign-extend value to mode.
3769 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
3771 * config/rs6000/sysv4.h (MASK_NO_BITFIELD_WORD): New macro.
3772 (TARGET_NO_BITFIELD_WORD): New macro.
3773 (SUBTARGET_SWITCHES): Add -mbit-word, -mno-bit-word options.
3774 (BITFIELD_NBYTES_LIMITED): Define based on TARGET_NO_BITFIELD_WORD.
3776 Mon Feb 12 18:13:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3778 * cselib.c: New file, from simplify-rtx.c.
3779 * simplify-rtx.c: Remove cselib parts.
3780 * Makefile.in: Add cselib.o.
3782 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
3784 * config/rs6000/rs6000.c (rs6000_float_const): Remove warning.
3785 (setup_incoming_varargs): Remove warning.
3787 * config/rs6000/rs6000.c (validate_condition_mode): When
3788 flag_fast_math, allow floating-point conditionals to be reversed.
3789 (rs6000_generate_compare): When flag_fast_math, don't generate
3790 cror operations for FP conditionals.
3792 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Handle
3794 (ASM_SPEC): Likewise.
3795 (CC1_ENDIAN_LITTLE_SPEC): Likewise.
3796 (CC1_SPEC): Likewise.
3797 (LINK_TARGET_SPEC): Likewise.
3798 (CPP_ENDIAN_SPEC): Likewise.
3799 * Makefile.in (check-consistency): New target.
3801 2001-02-12 Joseph S. Myers <jsm28@cam.ac.uk>
3803 * c-decl.c (grokdeclarator): In C99 mode, give the more specific
3804 "return type defaults" warning for functions with return type
3806 * c-lang.c (c_init): In C99 mode, enable warnings for implicit
3807 function declarations by default rather than only when pedantic.
3809 Mon Feb 12 17:28:48 CET 2001 Jan Hubicka <jh@suse.cz>
3811 * regclass.c (init_reg_sets_1): Optimize calculation of move_cost
3814 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
3816 * extend.texi (Deprecated): Deprecate new initializer lists.
3818 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
3820 * mkdeps.c (deps_add_default_target): Robustify. Add
3821 basename component only.
3822 * cpp.texi (-M): Describe how default target is generated.
3823 * invoke.texi (-M): Likewise.
3825 2001-02-12 Kazu Hirata <kazu@hxi.com>
3827 * toplev.c (push_float_handler): Remove.
3828 (pop_float_handler): Remove.
3829 * toplev.h: Remove prototypes for the above functions.
3831 2001-02-12 Jakub Jelinek <jakub@redhat.com>
3833 * c-common.c (constant_fits_type_p): New function.
3834 (convert_and_check): Use it.
3836 2001-02-11 Mark Mitchell <mark@codesourcery.com>
3838 * Makefile.in (GXX_ABI_FLAG): Don't define.
3839 * configure.in (--enable-new-gxx-abi): Remove option.
3840 * config.in: Regenerated.
3841 * configure: Likewise.
3843 2001-02-12 Alexandre Oliva <aoliva@redhat.com>
3845 * lcm.c (compute_earliest): Let EXIT_BLOCK be handled as a regular
3847 (optimize_mode_switching) [NORMAL_MODE]: Set up EXIT_BLOCK as a
3848 regular basic block, and arrange for all edges into it to switch
3851 2001-02-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3853 * Makefile.in (distclean): Do not remove .gdbinit.
3855 2001-02-11 Mark Mitchell <mark@codesourcery.com>
3857 * Makefile.in (gcc.o): Fix typos.
3858 (protize.o): Likewise.
3859 (unprotoize.o): Likewise.
3861 2001-02-11 Richard Henderson <rth@redhat.com>
3863 * tree.c (build1): Check for null operand in last change.
3865 2001-02-11 Richard Henderson <rth@redhat.com>
3867 * fold-const.c (split_tree): Don't assume a constant isn't splittable.
3868 (fold): Don't assume a constant isn't foldable.
3869 * tree.c (build): Set TREE_CONSTANT for an expression with no
3870 side-effects and constant operands.
3873 2001-02-10 Richard Henderson <rth@redhat.com>
3875 * jump.c (squeeze_notes): Revert 2000-05-12 change.
3877 2001-02-10 Anthony Green <green@redhat.com>
3879 * cpp.texi (Standard Predefined): Add documentation for
3882 * c-common.c (combine_strings): Improve warning message.
3884 2001-02-10 Geoffrey Keating <geoffk@redhat.com>
3886 * config/rs6000/sysv4.h (LINK_TARGET_SPEC): Use two dashes for
3888 * config/rs6000/sysv4le.h (LINK_TARGET_SPEC): Likewise.
3890 Fri Feb 9 15:05:27 2001 Christopher Faylor <cgf@cygnus.com>
3892 * config/i386/t-cygwin (T_CPPFLAGS): Use correct location for
3895 2001-02-09 Alexandre Oliva <aoliva@redhat.com>
3897 * config/sh/sh.md (sibcalli, sibcalli_pcrel, sibcalli): Set
3900 2001-02-09 Nick Clifton <nickc@redhat.com>
3902 * config/arm/arm.md: Change output contraint on post inc
3903 load/store multiple patterns to be a read/write contraint.
3905 2001-02-09 Neil Booth <neil@daikokuya.demon.co.uk>
3907 * gcc.c (cpp_options): Delete .d files on error. Don't delete
3908 .o files when using the -M options.
3910 2001-02-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3911 David Edelsohn <edelsohn@gnu.org>
3913 * config/rs6000/rs6000.c (output_toc): Allow 32-bit targets to
3914 handle DImode constants. Use one TOC entry for SImode and smaller
3915 constants, aligned properly.
3917 2001-02-08 Jason Merrill <jason@redhat.com>
3919 * config/arm/arm.c (arm_expand_prologue): Do tell the dwarf2 backend
3920 about the SP adjustment for saving the static chain pointer.
3921 * dwarf2out.c (dwarf2out_frame_debug_expr): Use the specified
3922 offset when setting a temporary CFA register.
3924 2001-02-08 Chandrakala Chavva <cchavva@redhat.com>
3926 * config.gcc : New targets, i386-*-chorusos*, sparc-*-chorusos*,
3927 powerpc-*-chorusos* .
3928 * config/rs6000/chorus.h : New file.
3929 * config/i386/chorus.h : New file.
3930 * config/sparc/chorus.h : New file.
3931 * config/sparc/t-chorus-elf : New file.
3933 2001-02-08 David Edelsohn <edelsohn@gnu.org>
3935 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Move from here ...
3936 * config/rs6000/aix.h (ASM_OUTPUT_SYMBOL_REF): ... to here.
3937 * config/rs6000/aix51.h (CPLUSCPLUS_CPP_SPEC): Define it.
3938 (__WCHAR_TYPE__): Correct macro name.
3940 2001-02-08 Richard Henderson <rth@redhat.com>
3942 * config/i386/i386.c (ix86_frame_pointer_required): New.
3943 (ix86_setup_frame_addresses): New.
3944 (struct machine_funciton): Add accesses_prev_frame.
3945 * config/i386/i386.h (FRAME_POINTER_REQUIRED): Call
3946 ix86_frame_pointer_required.
3947 (SUBTARGET_FRAME_POINTER_REQUIRED): New.
3948 (SETUP_FRAME_ADDRESSES): New.
3949 * config/i386/i386-protos.h: Update.
3950 * config/i386/sco5.h (SUBTARGET_FRAME_POINTER_REQUIRED): Rename
3951 from FRAME_POINTER_REQUIRED.
3952 * config/i386/svr3gas.h: Likewise.
3953 * config/i386/sysv3.h: Likewise.
3954 * config/i386/v3gas.h: Likewise.
3956 2001-02-08 Richard Henderson <rth@redhat.com>
3958 * config/sparc/sparc.c (function_arg_record_value_3): Fix
3959 calculation of the number of integer registers required.
3960 (function_arg_record_value): Likewise.
3962 2001-02-08 Jason Merrill <jason@redhat.com>
3964 * diagnostic.c (internal_error): Say "confused" after 1 error, not
3965 two. Print file and line with "confused" message.
3967 * dwarf2out.c (dwarf2out_line): Include filename in -dA output.
3969 Thu Feb 8 11:21:28 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3971 * rtlanal.c (remove_node_from_expr_list): Correctly update PREV.
3973 2001-02-08 Bernd Schmidt <bernds@redhat.com>
3975 * final.c (cleanup_subreg_operands): The address of a MEM can
3978 * config/ia64/ia64.c (ia64_variable_issue): Call group_barrier_needed_p
3981 2001-02-08 Joseph S. Myers <jsm28@cam.ac.uk>
3983 * gcc.texi (Incompatibilities): Update documentation of
3984 preprocessing numbers.
3986 2001-02-07 Jakub Jelinek <jakub@redhat.com>
3988 * c-decl.c (finish_enum): Revert part of 2000-01-05 change.
3990 2001-02-07 Mark Mitchell <mark@codesourcery.com>
3992 * config/rs6000/aix43.h (CPLUSCPLUS_CPP_SPEC): Define it.
3994 * defaults.h (CPLUSPLUS_CPP_SPEC): New macro.
3995 * gcc.c (struct compiler): Add cpp_spec field.
3996 (input_file_compiler): New variable.
3997 (do_spec_1): Allow a particular compiler to handle `%C'
3999 (main): Store the current compiler in input_file_compiler.
4000 * tm.texi (CPLUSPLUS_CPP_SPEC): Document.
4002 2001-02-07 Zack Weinberg <zack@wolery.stanford.edu>
4004 * cpphash.h (struct spec_nodes): Add n_true and n_false.
4005 * cppinit.c (cpp_create_reader): Initialize them.
4006 (append_include_chain): cxx_aware arg might be unused.
4007 * cppexp.c (lex): In C++ mode, recognize 'true' and 'false'
4008 keywords and give them their phase 7 meaning. Pedwarn about
4009 this unless '__bool_true_false_are_defined' is defined.
4011 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
4013 * lcm.c (optimize_mode_switching): Emit mode_set before the
4014 JUMP_INSN of an abnormal edge.
4016 2001-02-07 Bernd Schmidt <bernds@redhat.com>
4018 * builtins.c (expand_builtin_setjmp_receiver): Emit an ASM_INPUT as
4019 a scheduling barrier at the end.
4021 * tm.texi (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): Document.
4023 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
4025 * config/sh/sh.md (reload_outsf): Removed.
4026 (movsf_ie): Introduce constraints for FPUL loads and stores.
4027 (reload_insf): Broaden the output constraint.
4029 * config/elfos.h (INT_ASM_OP): Don't define it if it's already
4031 * config/sh/sh.h (INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
4032 ASM_OUTPUT_DESTRUCTOR): Copy definitions from config/elfos.h.
4034 2001-02-06 Chandrakala Chavva <cchavva@redhat.com>
4036 * final.c: Revert my previous changes.
4037 * output.h: Make profile_label_no extern.
4038 * config/rs6000/rs6000.c (output_profile_hook): Use standard functions
4039 for generating label.
4041 2001-02-06 Laurynas Biveinis <lauras@softhome.net>
4043 * config/i386/djgpp.h: Add comments about standard paths.
4044 (MD_EXEC_PREFIX): Undefine before defining.
4045 (MD_STARTFILE_PREFIX): New.
4047 2001-01-30 Bruce Korb <bkorb@gnu.org>
4049 fixinc/fixincl.c(process): Emit error message only if appropriate :)
4050 (load_file): do not rely on load_file_data() to close file pointer
4051 fixinc/fixlib.c(load_file_data): do not close passed in file pointer
4052 fixinc/inclhack.def(irix_limits_const): add test_text
4054 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
4056 * cppexp.c (parse_defined): Improve diagnostics for invalid
4059 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
4061 * cppmacro.c (cpp_get_token): Avoid pasting after a builtin.
4063 2001-02-06 Mark Mitchell <mark@codesourcery.com>
4065 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Define.
4066 * config/rs6000/rs6000-protos.h (rs6000_output_symbol_ref): Declare.
4067 * config/rs6000/rs6000.c (VTABLE_NAME_P): New macro.
4068 (rs6000_output_symbol_ref): New function.
4069 (output_toc): Use VTABLE_NAME_P.
4071 Tue Feb 6 07:54:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4073 * print-tree.c (print_node, case PARM_DECL):
4074 Print DECL_ARG_TYPE and DECL_ARG_TYPE_AS_WRITTEN.
4076 * stor-layout.c (reference_types_internal): New variable.
4077 (internal_reference_types): New function.
4078 (layout_type, case REFERENCE_TYPE): Make Pmode if internal.
4079 * tree.h (internal_reference_types): New declaration.
4081 * cse.c (find_best_addr): Fix typo in computing cost.
4083 Mon Feb 5 21:56:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4085 * combine.c (nonzero_bits, case PLUS): If pointers extend unsigned
4086 and this is the sum of a pointer and a constant, we know the result
4088 (num_sign_bit_copies, case PLUS): Likewise.
4089 * explow.c (convert_memory_address): Remove opposite SUBREG.
4090 * function.c (instantiate_new_reg): New function (from common code).
4091 (instantiate_virtual_regs_1): Call it.
4092 For PLUS, handle if (plus (subreg (virt-reg) (const_int))
4093 if pointers sign- or zero-extend.
4094 * simplify-rtx.c (simplify_unary_operation, case ZERO_EXTEND):
4095 If pointers extend unsigned, use inside of SUBREG.
4096 (simplify_unary_operation, case SIGN_EXTEND): Likewise, if sign extend.
4098 2001-02-05 Benjamin Kosnik <bkoz@redhat.com>
4100 * Makefile.in (-DGPLUSPLUS_TOOL_INCLUDE_DIR): Change to target
4101 subdir of gcc_gxx_include_dir.
4102 (gcc_gxx_target_include_dir): Remove.
4104 2001-02-05 Jeffrey Oldham <oldham@codesourcery.com>
4106 * dwarf2out.c: Revise DWARF2 Abbreviation Glossary comments.
4107 (dwarf2out_frame_debug_expr): Revise introductory comments to add
4108 a high-level description.
4110 2001-02-05 Chandrakala Chavva <cchavva@redhat.com>
4112 * final.c: Move the declaration of profile_label_no to ...
4113 * output.h: ... here.
4114 * function.c (expand_function_start): Call PROFILE_HOOK.
4115 * config/rs6000/aix.h: Define PROFILE_HOOK.
4116 * config/rs6000/rs6000-protos.h: output_profile_hook new.
4117 * config/rs6000/rs6000.c (output_profile_hook): Define.
4118 (output_prolog): Do nothing for ABI_AIX as it is taken care by
4119 output_profile_hook.
4120 tm.texi : Explain new macro PROFILE_HOOK.
4122 2001-02-06 Hans-Peter Nilsson <hp@axis.com>
4124 * extend.texi (Extended Asm): Do not say that semicolon is always
4125 a valid line-breaking character for GNU assemblers. Use
4126 newline-tab as the most commonly supported syntax. Use
4127 newline-tab rather than semicolon in multi-insn examples.
4129 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4131 * Makefile.in (gcc_gxx_target_include_dir): Use $(target_alias).
4133 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4134 David Edelsohn <edelsohn@gnu.org>
4136 * config/rs6000/rs6000.c (rs6000_return_addr): Use PIC
4137 code for AIX, even without flag_pic.
4139 2001-02-05 Jakub Jelinek <jakub@redhat.com>
4141 * c-typeck.c (common_type): push and pop binding level around
4142 calling common_type on function parameters.
4144 Mon Feb 5 14:30:37 2001 Christopher Faylor <cgf@cygnus.com>
4146 * config/i386/cygwin.h (CPP_SPEC): Add missing space after -idirafter.
4148 Mon Feb 5 11:23:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4150 * config/mips/mips.c (override_options): Fix typo in last change.
4151 (mips_make_temp_file): Call fatal_io_error, not pfatal_with_name.
4152 (mips_asm_file_end): Likewise; also pass more args to fatal_io_error.
4154 2001-02-05 Nathan Sidwell <nathan@codesourcery.com>
4156 * invoke.texi (-fdump-class-layout): Document.
4157 (-fdump-translation-unit): Use `=' as filename separator.
4159 2001-02-05 Mark Mitchell <mark@codesourcery.com>
4161 * Makefile.in (s-mlib): Don't build multilibs if
4163 (DRIVER_DEFINES): Adjust accordingly.
4165 (protoize.o): Likewise.
4166 (unprotoize.o): Likewise.
4167 * configure.in: Recognize --enable-multilib.
4169 2001-02-04 Mark Mitchell <mark@codesourcery.com>
4171 * Makefile.in (DRIVER_DEFINES): Fix quoting.
4173 * Makefile.in (site.exp): Always set HAVE_LIBSTDCXX_V3.
4174 * configure.in: Remove --enable-libstdcxx_v3 support.
4175 * configure: Regenerated.
4177 Sun Feb 4 15:52:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4179 * config/avr/avr.h (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP):
4180 Call abort instead of fatal.
4181 (TRAMPOLINE_TEMPLATE): Call internal_error instead of fatal.
4182 * config/dsp16xx/dsp16xx.h (FUNCTION_PROFILER): Likewise.
4183 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Likewise.
4184 (TRAMPOLINE_TEMPLATE, INITIALIZE_TRAMPOLINE): Likewise.
4185 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Likewise.
4186 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Likewise.
4188 * diagnostic.h (set_internal_error_function): Renamed.
4189 * toplev.h (internal_error): Renamed from fatal.
4190 (pfatal_with_name): Deleted.
4191 (fatal_io_error): Now has printf-style arguments.
4192 * diagnostic.c (pfatal_with_name): Deleted.
4193 (fatal_io_error): Rework to have args in printf-style.
4194 (set_internal_error_function): Renamed from set_fatal_function.
4195 (internal_error): Renamed from fatal.
4196 (error_recursion, fancy_abort): Call internal_error instead of fatal.
4197 * dwarf2out.c (get_cfa_from_loc_descr): Likewise.
4198 * emit-rtl.c (gen_realpart, gen_imagpart): Likewise.
4199 * expr.c (check_max_integer_computation_mode, expand_expr): Likewise.
4200 * flow.c (verify_flow_info): Likewise.
4201 * config/arm/arm.c (thumb_unexpanded_epilogue): Likewise.
4202 * config/mips/mips.c (save_restore_insns): Likewise.
4204 * except.c (duplicate_eh_handlers): Call abort instead of fatal.
4205 * flow.c (verify_flow_info): Likewise.
4206 * config/arm/arm.c (thumb_load_double_from_address): Likewise.
4207 * config/avr/avr.c (pttreg_to_str, unique_section): Likewise.
4208 (avr_normalize_condition): Likewise.
4209 * config/c4x/c4x.c (c4x_emit_libcall, c4x_valid_operands): Likewise.
4210 * config/dsp16xx/dsp16xx.c (dsp16xx_reg_class_from_letter): Likewise.
4211 (limit_reload_class, double_reg_to_memory): Likewise.
4212 (print_operand_address, emit_1600_code_shift): Likewise.
4213 (gen_tst_reg, gen_compare_reg): Likewise.
4214 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Likewise.
4215 * config/dsp16xx/dsp16xx.c (dsp16xx_invalid_register_for_compare):
4217 * config/dsp16xx/dsp16xx.md (unnamed cmphi): Call abort instead of it.
4219 * c-parse.in (methoddef): Call fatal_error instead of fatal.
4220 * objc/objc-act.c (build_ivar_chain): Likewise.
4221 * dwarfout.c (dwarfout_init): Call fatal_io_error instead of
4223 * graph.c (clean_graph_dump_file): Likewise.
4224 * profile.c (init_branch_prob): Likewise.
4225 * objc/objc-act.c (objc_init): Likewise.
4227 * config/arm/arm.c (arm_override_options): Make errors non-fatal.
4228 * config/avr/avr.c (avr_override_options): Likewise.
4229 * config/c4x/c4x.c (c4x_expand_prologue): Likewise.
4230 * config/dsp16xx/dsp16xx.c (function_prologue): Likewise.
4231 * config/h8300/h8300.c (h8300_init_once): Likewise.
4232 * config/mips/mips.c (override_options): Likewise.
4233 * config/i386/i386.c (override_options): Likewise, rework.
4234 * config/m68k/m68k.c (override_options): Likewise.
4236 * config/dsp16xx/dsp16xx.c (print_operand): Call output_operand_lossage
4238 * config/mips/mips.c (print_operand): Likewise.
4239 * hash.c (hash_allocate): Don't check for failure returns from
4240 obstack functions that can't fail.
4241 (hash_table_init_n, hash_table_init): Likewise; also now return void.
4242 * hash.h (hash_table_init_n, hash_table_init): Now return void.
4243 * objc/objc_act.c (objc_check_decl): Remove unneeded fatal call.
4244 (get_object_reference): Likewise.
4246 2001-02-04 Nick Clifton <nickc@redhat.com>
4248 * config/arm/arm.c (all_cores): Add 710T, 720T, 740T, 940T, 9e,
4249 StrongARM1110, 10TDMI, and 1020T.
4251 2001-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4253 * mips.h (MULTILIB_ISA_DEFAULT): Don't use #elif.
4255 2001-02-04 Alexandre Oliva <aoliva@redhat.com>
4257 * config/sh/sh.md (movdf load split): Pass register number to
4258 FP_OR_XD_REGISTER_P.
4260 2001-02-04 Mark Mitchell <mark@codesourcery.com>
4262 * cppinit.c (BC): New macro.
4263 (builtin_array): Add __GXX_WEAK__.
4264 * cpplib.h (builtin_type): Add BT_WEAK.
4265 * cppmacro.c (builtin_macro): Handle BT_WEAK.
4266 * defaults.h (SUPPORTS_ONE_ONLY): Define.
4267 * varasm.c (SUPPORTS_ONE_ONLY): Do not define.
4269 2001-02-03 Jakub Jelinek <jakub@redhat.com>
4271 * cppinit.c (append_include_chain): Honor NO_IMPLICIT_EXTERN_C.
4273 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
4275 * cpphash.h: Rename _ALIGN POOL_ALIGN.
4276 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
4278 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
4280 * cpphash.h: Rename ALIGN _ALIGN.
4281 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
4283 Fri Feb 2 23:15:29 2001 Christopher Faylor <cgf@cygnus.com>
4285 * config/i386/cygwin.h (CPP_SPEC): Reorganize YA to better handle cross
4286 compilation environment.
4287 * config/i386/t-cygwin (T_CPPFLAGS): Define CYGWIN_CROSS_DIR to allow
4288 control over location of cygwin includes and libs.
4290 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
4292 * c4x.h (HARD_REGNO_CALL_PART_CLOBBERED): Fix typo.
4294 2001-02-02 lars brinkhoff <lars@nocrew.org>
4296 * md.texi (Standard Names): remove reference to spur.md.
4298 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
4300 * c4x.h (IS_INT_CALL_SAVED_REG, IS_FLOAT_CALL_SAVED_REG): Define.
4301 (HARD_REGNO_CALL_PART_CLOBBERED): Use IS_FLOAT_CALL_SAVED_REG.
4302 (INITIAL_FRAME_POINTER_OFFSET, INITIAL_ELIMINATION_OFFSET): Likewise.
4303 * c4x.c (c4x_hard_regno_rename_ok): Use IS_XXX_CALL_SAVED_REG.
4304 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
4306 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4308 * c4x.c (group1_reg_operand, group1_mem_operand, arx_reg_operand,
4309 c4x_arn_reg_operand, c4x_arn_mem_operand): Do not check register
4310 number before reload.
4311 (c4x_adjust_cost): Return zero before reload.
4312 * c4x.md (load_immed_address+1, load_immed_address+2): Do not
4313 split before reload.
4315 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4317 * c4x.c (c4x_hard_regno_rename_ok): New.
4318 * c4x-protos.h (c4x_hard_regno_rename_ok): New.
4319 * c4x.h (HARD_REGNO_RENAME_OK): Define.
4321 Fri Feb 2 20:03:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4323 * diagnostic.h: Add missing "extern" in all declarations.
4325 2001-02-02 Alex Samuel <samuel@codesourcery.com>
4327 * Makefile.in (gcc_gxx_target_include_dir): Generate dynamically
4328 as for gcc_gxx_include_dir.
4330 2001-02-02 Neil Booth <neil@daikokuya.demon.co.uk>
4332 * cpp.texi, invoke.texi: Update -Wtraditional documentation.
4334 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
4336 * config/sh/sh.c (output_far_jump): Don't use braf on SH1. Emit
4337 label before alignment to be used as the braf base address.
4338 * config/sh/sh.md (length): Use longer lengths for SH1 PIC far
4340 (casesi_jump_2): Require at least TARGET_SH2.
4342 * config/float-sh.h (LDBL_EPSILON, LDBL_MIN, LDBL_MAX): Prevent
4343 truncation to 32-bit doubles on -m3e and -m4-single-only.
4345 2001-02-02 Mark Mitchell <mark@codesourcery.com>
4347 * gcc.c (init_gcc_specs): New function. Make -shared-libgcc
4348 the default when building a shared object.
4349 (init_spec): Use it.
4350 * testsuite/lib/g++.exp: Include the directory where libgcc
4351 is located to the LD_LIBRARY_PATH list.
4352 * invoke.texi (-shared-libgcc): Document the cases in which
4353 GCC defaults to using the shared libgcc.
4355 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
4357 * config/fp-bit.h (MAX_USI_INT, MAX_SI_INT): Don't assume
4358 unsigned is wide enough.
4360 * config/fp-bit.c (_fpmul_parts): Don't assume 32-bits SI.
4361 (si_to_float): Likewise.
4362 (float_to_si, float_to_usi): Use BITS_PER_SI.
4364 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
4366 * dwarf2out.c: Added explanation of abbreviations.
4367 (def_cfa_1): Added comments listing DWARF2 instructions.
4368 (cfa_temp_reg): Removed in favor of cfa_temp.
4369 (cfa_temp_value): Removed in favor of cfa_temp.
4370 (cfa_temp): New global variable.
4371 (dwarf2out_frame_debug_expr): Added extensive introductory
4372 comments explaining the function's transformations. Revised to
4373 use cfa_temp. Added some rtx checking. Generalize IOR case.
4374 (dwarf2out_frame_debug): Revised to use cfa_temp.
4375 (output_aranges): Cast as "unsigned" to avoid warning.
4376 * rtl.texi (RTX_FRAME_RELATED_P): Revise entry to emphasize better
4377 explain which instructions must be marked.
4379 2001-02-01 Richard Henderson <rth@redhat.com>
4381 * local-alloc.c (update_equiv_regs): Copy INSN_CODE to the
4384 2001-02-01 Alexandre Oliva <aoliva@redhat.com>
4386 * config/sh/crt1.asm (main_k): Modified so that start calls
4387 ___setup_argv_and_call_main.
4389 2001-02-01 Neil Booth <neil@daikokuya.demon.co.uk>
4391 * cpphash.h (struct cpp_buffer): Move saved_flags from cpp_reader.
4392 * cpplex.c (_cpp_lex_token): New token picks up the saved flags,
4393 and AVOID_LPASTE is cleared on meeting an unescaped newline.
4394 * cppmacro.c (builtin_macro): Set builtin flags here.
4395 (paste_all_tokens): Preserve AVOID_LPASTE on pasted token.
4396 (replace_args): Clarify intent.
4397 (cpp_get_token): Macro expansion tokens get the saved flags.
4399 * cppmain.c (scan_buffer): Remove now-redundant print.printed
4402 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
4404 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Reverse change of
4407 Thu Feb 1 07:22:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4409 * builtins.c (expand_builtin_alloca): allocate_dynamic_stack_space
4410 returns Pmode pseudo, but we need ptr_mode.
4411 * explow.c (allocate_dynamic_stack_space): Use plus_constant.
4412 Remove bogus conversions; use HOST_WIDE_INT for size.
4413 Don't use TARGET if wrong mode.
4415 * config/i386/i386.c (ix86_compute_frame_size): Allow
4416 stack_alignment_needed to be non-default even if size is zero.
4418 2001-01-31 Alan Modra <alan@linuxcare.com.au>
4420 * (hppa_init_pic_save): Emit the pic offset table
4421 reg save after last_parm_insn.
4422 * pa.c (hppa_init_pic_save): New function.
4423 * pa.h (hppa_init_pic_save): Declare.
4424 * pa.md (call, call_value, sibcall, sibcall_value): Use
4425 the above instead of duplicated code.
4427 * pa.c (hppa_encode_label): Correct size of alloca buffer
4428 so we don't overrun it. Correct leading `*' case.
4429 * pa.h (STRIP_NAME_ENCODING): Simplify now that we don't
4430 need to handle `*@'.
4431 (FUNCTION_NAME_P): Likewise.
4433 2001-01-31 Richard Henderson <rth@redhat.com>
4435 * config.gcc (alpha-osf5): Use float-i128.h.
4437 * config/float-i128.h (FLT_EVAL_METHOD, DECIMAL_DIG): Define.
4438 * config/float-i32.h: Likewise.
4439 * config/float-i64.h: Likewise.
4440 * config/float-sh.h: Likewise.
4441 * config/float-sparc.h: Likewise.
4443 2001-01-31 DJ Delorie <dj@redhat.com>
4445 * expmed.c (extract_bit_field): allow non-integral modes if we
4446 want to extract a whole register from itself.
4448 2001-01-31 Jakub Jelinek <jakub@redhat.com>
4450 * c-typeck.c (set_init_index): If first is equal to last, assume as
4451 if it was not a range at all.
4453 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
4455 * config/fp-bit.c: Include tm.h.
4456 (float_to_si): Don't assume SImode is 32-bits wide.
4457 (float_to_usi): Likewise.
4459 2001-01-31 Joseph S. Myers <jsm28@cam.ac.uk>
4461 * c-parse.in (structsp): Pedwarn when "enum foo" refers to an
4463 (typename): Call pending_xref_error after parsing typed_typespecs.
4464 * c-decl.c (lookup_tag): Give error immediately rather than
4465 leaving it pending if the tag of the wrong type is in the same
4467 (xref_tag): Don't pedwarn for forward declarations of enum types
4469 * gcc.texi (Actual Bugs): Remove entry for misuse of struct, union
4472 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
4474 * config/float-sparc.h (LDBL_MAX) [sparc32]: Fix typo.
4476 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
4478 * cpplib.c (T_ELIF): Move to STDC89, not that it matters.
4479 (_cpp_handle_directive): Suggest not using #elif with -Wtraditional.
4481 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
4483 * cpphash.h (struct cpp_reader): New saved_flags.
4484 * cppmacro.c (cpp_get_token): Use saved_flags to remember
4485 to avoid a paste after a pasted token.
4487 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
4489 * libgcc2.h (Wtype_MAX, Wtype_MIN): Define.
4490 * libgcc2.c (__fixunssfSI, __fixunsdfSI, __fixunsxfSI): Use
4491 Wtype_MIN instead of LONG_MIN.
4493 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
4495 * fixinc/fixincl.tpl: Add 2001 to copyright. Change name of
4497 * fixinc/fixincl.x: Regenerated.
4498 * fixinc/inclhack.def (irix_limits_const): New definition to
4499 convert "const" to "__const" in limits.h.
4501 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
4503 * fixinc/genfixes (AG): Fix "autogen4" thinko.
4505 2001-01-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4507 * regmove.c (try_auto_increment): Change REG_DEAD into REG_UNUSED
4508 when register dies in the insn.
4510 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
4512 * diagnostic.c (fatal): Fix word wrap.
4514 2001-01-30 Alexandre Oliva <aoliva@redhat.com>
4516 * combine.c (try_combine): Fix SUBREG setting for
4517 HOST_BITS_PER_WIDE_INT >= 2 * BITS_PER_WORD.
4519 2001-01-30 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4521 * jump.c (comparison_dominates_p): Don't try to handle UNKNOWN
4524 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
4526 * c-decl.c (c_expand_body): Check TYPE_SIZE_UNIT (ret_type)
4528 * toplev.c (decode_W_option): Update warn_larger_than
4529 unconditionally for each processed switch.
4531 2001-01-30 John David Anglin <dave@hiauly1.hia.nrc.ca>
4533 * pa.c (pa_init_machine_status): Initialize pic_offset_table_save_rtx
4535 (hppa_expand_prologue): Delete code to save pic offset table register
4536 in the function prologue.
4537 * pa.h (PIC_OFFSET_TABLE_SAVE_RTX): Correct type in comment.
4538 * pa.md (call, call_value, sibcall, sibcall_value): Save the pic offset
4539 table register at the beginning of the function after the prologue.
4541 2001-01-29 lars brinkhoff <lars@nocrew.org>
4543 * tm.texi (PUSH_ROUNDING): Remove duplicate lines.
4545 2001-01-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
4546 Jeff Law <law@redhat.com>
4548 * pa.md (return): Revise comment for trivial return.
4549 (return_internal): Non-trivial return pattern for non-PIC code.
4550 (return_internal_pic): Non-trivial return pattern for PIC code.
4551 It uses the PIC register to ensure it is restored after
4553 (epilogue): Generate appropriate return for PIC and non-PIC code.
4555 Mon Jan 29 23:53:14 2001 Christopher Faylor <cgf@cygnus.com>
4557 * config/i386/cygwin.h: Fix -mno-cygwin search path for link.
4559 2001-01-29 DJ Delorie <dj@redhat.com>
4561 * combine.c (if_then_else_cond): Pass the correct mode to
4562 operand_subword() for constants.
4564 Mon Jan 29 20:38:19 2001 Christopher Faylor <cgf@cygnus.com>
4566 * config/i386/cygwin.h: Add w32api to include search. Search different
4567 directories in a cross-build environment.
4569 2001-11-29 Tim Josling <tej@melbpc.org.au>
4571 * tree.h (TYPE_STUB_DECL): Add documentation.
4573 2001-11-29 Laurynas Biveinis <lauras@softhome.net>
4575 * sdbout.c (sdbout_one_type): Skip types with indeterminate size.
4576 (sdbout_field_types): Likwise. Fix use of host_integerp.
4578 2001-01-29 Thomas Pfaff <tpfaff@gmx.net>
4580 * mingw32.h: Override STARTFILE_SPEC and LINK_SPEC declared in
4583 2001-01-29 Jeffrey Oldham <oldham@codesourcery.com>
4585 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Revise definition
4586 to use flag_gnu_linker.
4588 2001-01-29 Neil Booth <neil@daikokuya.demon.co.uk>
4590 * cpplib.c (T_BAD_DIRECTIVE): Remove.
4591 (_cpp_init_stacks): Loop from 0 to N_DIRECTIVES - 1.
4593 2001-01-29 Joseph S. Myers <jsm28@cam.ac.uk>
4595 * tree.c, tree.h (build_parse_node): Remove; was identical to
4597 * c-lang.c (start_cdtor), objc/objc-act.c
4598 (build_module_descriptor): Use build_nt instead of
4601 2001-01-29 Jakub Jelinek <jakub@redhat.com>
4603 * config/i386/i386.md (addqi_1_lea): Fix mode (QI instead of HI).
4604 (testqi_1, andqi_2): If widening to SImode, make sure CONST_INT does
4605 not have any upper bits set.
4607 2001-01-29 Phil Edwards <pme@sources.redhat.com>
4609 * COPYING.LIB: Update to LGPL 2.1 from the FSF.
4611 2001-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4613 * stmt.c (estimate_case_costs): Use integer_minus_one_node.
4615 * tree.c (build_common_tree_nodes_2): Set integer_minus_one_node.
4617 * tree.h (tree_index): Add new element TI_INTEGER_MINUS_ONE.
4618 (integer_minus_one_node): Define.
4620 2001-01-28 Alexandre Oliva <aoliva@redhat.com>
4622 * Makefile.in (bootstrap2-lean): Fix typo.
4624 2001-01-28 Neil Booth <neil@daikokuya.demon.co.uk>
4626 * cpphash.c (_cpp_cleanup_hashtable, _cpp_lookup_with_hash)
4627 : Don't set fe_value.
4628 * cpplib.h (AVOID_LPASTE): New flag.
4629 (struct cpp_hashnode): Remove fe_value.
4630 * cpplex.c (cpp_avoid_paste): Don't paste '.' with a number.
4631 * cppmacro.c (builtin_macro): Don't set flags here.
4632 (replace_args): Set AVOID_LPASTE flag on first token of an
4633 argument, and the token following it.
4634 (cpp_get_token): Set AVOID_LPASTE flag on first token of a
4635 macro expansion, and on the token following it. Do it for
4637 * cppmain.c (scan_buffer): Avoid pasting only flagged tokens.
4639 2001-01-27 Richard Henderson <rth@redhat.com>
4641 * config/alpha/t-ieee: Remove multilibbing.
4642 (TARGET_LIBGCC2_CFLAGS): Add -mieee.
4644 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4646 * configure.in: Arrange to include defaults.h in [ht]config.h/tm.h.
4648 * Makefile.in: Remove all dependencies on defaults.h.
4649 * builtins.c: Don't include defaults.h.
4650 * c-common.c: Likewise.
4651 * c-decl.c: Likewise.
4652 * c-pragma.c: Likewise.
4653 * c-typeck.c: Likewise.
4654 * combine.c: Likewise.
4656 * frame-ia64.c: Likewise.
4657 * cppexp.c: Likewise.
4658 * crtstuff.c: Likewise.
4659 * dbxout.c: Likewise.
4660 * dwarf2out.c: Likewise.
4661 * dwarfout.c: Likewise.
4662 * emit-rtl.c: Likewise.
4663 * except.c: Likewise.
4665 * final.c: Likewise.
4666 * frame-dwarf2.c: Likewise.
4667 * libgcc2.c: Likewise.
4668 * optabs.c: Likewise.
4669 * profile.c: Likewise.
4670 * sdbout.c: Likewise.
4671 * toplev.c: Likewise.
4672 * tradcif.y: Likewise.
4674 * varasm.c: Likewise.
4676 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4678 * builtins.c (expand_builtin_fputs): Use size_one_node when
4679 transforming into fwrite.
4681 2001-01-27 Joseph S. Myers <jsm28@cam.ac.uk>
4683 * extend.texi (Attribute Syntax): New section.
4685 2001-01-27 Michael Sokolov <msokolov@ivan.Harhan.ORG>
4687 * fixproto: Correctly install synthesised unistd.h and stdlib.h when
4688 they didn't need fixing.
4690 2001-01-27 Janis Johnson <janis@us.ibm.com>
4692 * config.gcc (i[34567]86-sequent-{ptx4*,sysv4*}): Use usegas.h
4694 * config/ptx4.h: Several fixes to build on DYNIX/ptx v4.[456], and
4695 to remove macro definitions that are duplicated from elfos.h.
4697 2001-01-27 Richard Henderson <rth@redhat.com>
4699 * config/i386/sco5gas.h: Move ...
4700 * config/usegas.h: ... here.
4701 * config.gcc (i[34567]86-*-sco3.2v5) [tm_file]: Update.
4703 2001-01-27 Jakub Jelinek <jakub@redhat.com>
4705 * c-typeck.c (struct constructor_stack): Add range_stack member.
4706 (really_start_incremental_init): Clear it.
4707 (push_init_level): Save constructor_range_stack and clear it if
4708 pushing explicit braces.
4709 (pop_init_level): abort if constructor_range_stack is non-zero at
4710 explicit closing brace. Restore saved constructor_range_stack if
4713 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
4715 * expr.c (emit_move_insn): Add REG_EQUAL note when constant loaded
4716 into register was forced into memory.
4718 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
4720 * Makefile.in: Remove uses of + before $(MAKE).
4722 2001-01-26 Richard Henderson <rth@redhat.com>
4724 * stmt.c (cost_table): Remove.
4725 (COST_TABLE, cost_table_initialized): New.
4726 (estimate_case_costs): Use the later instead of the former.
4727 (balance_case_nodes): Likewise.
4729 2001-01-26 Richard Henderson <rth@redhat.com>
4731 * alias.c (objects_must_conflict_p): Read-only slots may not
4732 conflict despite having the same type.
4734 2001-01-27 Michael Hayes <mhayes@redhat.com>
4736 * loop.c (loop_giv_reduce_benefit): Copy mode size into
4738 (check_ext_dependant_givs): Initialise u_start_val and
4740 (load_mems): Make last_max_reg unsigned.
4741 (try_swap_copy_prop): Use INSN_P and initialise set.
4743 Fri Jan 26 23:22:58 2001 Denis Chertykov <denisc@overta.ru>
4745 * README.AVR : Removed.
4747 Fri Jan 26 11:37:26 2001 Jeffrey A Law (law@cygnus.com)
4749 * pa-64.h (text_section): Remove declaration.
4751 * pa.md (return_internal): Remove mode on PIC register use.
4753 2001-01-25 lars brinkhoff <lars@nocrew.org>
4755 * tm.texi (DATA_ALIGNMENT, LOCAL_ALIGNMENT, ASM_OPEN_PAREN,
4756 ASM_CLOSE_PAREN): fix typos.
4758 2001-01-25 Mark Mitchell <mark@codesourcery.com>
4760 * acconfig.h: Define `const' to the empty string if neither
4761 __STDC__ nor __cplusplus is defined.
4762 * config.in: Regenerated.
4764 2001-01-25 David Edelsohn <edelsohn@gnu.org>
4766 * config.gcc (rs6000-ibm-aix[5-9]*): Change to aix51.h.
4767 * collect2.c (main): Delete importf. Add ".obj" file extension.
4768 (GCC_CHECK_HDR): Handle AIX V5 new magic number.
4769 (aix_std_libs): Add additional AIX libraries to skip.
4770 * config/rs6000/aix.h (MY_ISCOFF): Add AIX V5 new magic number.
4771 * config/rs6000/aix51.h: New file.
4773 2001-01-25 Michael Hayes <mhayes@redhat.com>
4775 * loop.c (loop_call_insn_emit_before, loop_call_insn_hoist): New.
4776 (loop_insn_emit_before): No longer static.
4777 (move_movables): Replace emit_insn_after with loop_insn_emit_after.
4778 (loop_givs_rescan, load_mems): Likewise.
4779 (check_dbra_loop): Replace emit_insn_before with loop_insn_emit_before.
4780 (maybe_eliminate_biv_1):
4781 (move_movables): Replace emit_call_insn_before with
4782 loop_call_insn_hoist.
4783 * loop.h (loop_insn_emit_before): Add.
4784 * unroll.c (copy_loop_body): Replace emit_insn_before with
4785 loop_insn_emit_before.
4787 2001-01-25 Neil Booth <neil@daikokuya.demon.co.uk>
4789 * diagnostic.c (fatal): Request preprocessed source.
4791 Thu Jan 25 02:01:16 2001 J"orn Rennecke <amylaar@redhat.com>
4793 * c-decl.c (duplicate_decls): If different_binding_level is nonzero,
4794 olddecl has argument types and newdecl has none, use the argument
4797 2001-01-24 Ulrich Drepper <drepper@redhat.com>
4799 * dwarf2out.c (prefix_of): New function. Determine longest common
4800 prefix of the two arguments. The units are whole path components.
4801 (output_file_names): When adding a new directory find the one entry
4802 with the longest common prefix already in the list. Artificially
4803 generate entry if there is none for this prefix.
4804 Fix test to check whether the zeroth directory entry is used.
4806 Wed Jan 24 23:51:55 2001 J"orn Rennecke <amylaar@redhat.com>
4808 * reload1.c (reload_reg_free_for_value_p): New parameter start_regno.
4809 Changed all callers. Take it into account when deciding if a
4810 previously loaded value matches.
4812 2001-01-24 Richard Henderson <rth@redhat.com>
4814 * reload.c (find_reloads_subreg_address): Fail the substitution
4815 if the resulting address is insufficiently aligned.
4817 2001-01-24 DJ Delorie <dj@redhat.com>
4819 * combine.c (combine_simplify_rtx): If the modes are all VOIDmode,
4820 check the original operand's mode also.
4821 * simplify-rtx.c (simplify_ternary_operation): Ditto.
4823 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
4825 * c-parse.in (cast_expr): Move compound literals from here ...
4826 (primary): ... to here. Use standard terminology "compound
4827 literal" instead of "constructor expression".
4829 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
4831 * gcc.1, cpp.1: Regenerate.
4833 2001-01-24 Alexandre Oliva <aoliva@redhat.com>
4835 * calls.c (emit_library_call_value_1): Memory slot for
4836 pass-by-reference argument should have the mode of the argument,
4837 not of the pointer to it.
4839 2001-01-24 Tom Tromey <tromey@redhat.com>
4841 * gcc.texi (G++ and GCC): Mention gcj manual.
4842 (Standards): Link to section of manual mentioning gcj/Java
4845 2001-01-24 Jakub Jelinek <jakub@redhat.com>
4847 * cppfiles.c (_cpp_read_file): Add to dependencies if requested.
4848 * cppinit.c (cpp_start_read): Remove deps_add_dep call.
4849 * tradcpp.c (main): Add -imacros or -include'd dependencies
4851 * cpp.texi (-M, -MM): Document -M -include behaviour.
4853 2001-01-24 Roger Collins <roger@ProProject.com>
4855 * config/i386/xm-i386.h: Make __i386__ a boolean macro.
4857 2001-01-24 Will Cohen <wcohen@redhat.com>
4859 * config/mips/abi64.h (RETURN_IN_MEMORY): Always take into account
4860 whether registers are 32 bits or 64 bits in size.
4862 2001-01-24 Ben Elliston <bje@redhat.com>
4864 * config/m32r/m32r.h (PREDICATE_CODES): Remove m32r_not_same_reg.
4866 2001-01-24 Richard Henderson <rth@redhat.com>
4868 * config/alpha/alpha.md (builtin_longjmp_internal): New.
4869 (builtin_longjmp): Use it instead of emit_indirect_jump.
4871 2001-01-23 John David Anglin <dave@hiauly1.hia.nrc.ca>
4873 * bb-reorder.c (make_reorder_chain_1): Handle case where
4874 jump edge goes to the same block as the fallthru edge.
4876 2001-01-23 Jim Wilson <wilson@redhat.com>
4878 * dwarf2out.c (dwarf2out_line): Make last_file_num be unsigned.
4879 * frame.h (__ia64_personality_v1): Add prototype.
4880 * libgcc2.c (ia64_throw_helper): Change personality declaration to
4881 prototype form. Add void * cast to first argument to personality
4883 * real.c (e113toe): Surround with INTEL_EXTENDED_IEEE_FORMAT ifdefs.
4884 (asctoe113): Likewise.
4885 * config/ia64/frame-ia64.c: Include eh-common.h.
4886 * config/ia64/ia64-protos.h (sdata_section, sbbs_section): Add
4888 * config/ia64/ia64.c (emit_insn_group_barriers): Add ATTRIBUTE_UNUSED
4890 (itanium_split_issue): Add prototype.
4891 (gen_nop_type): Ifdef out.
4892 (find_best_packet): Initialize best_packet.
4893 (ia64_encode_section_info): New local string. Use for ggc_alloc_string
4895 * config/ia64/ia64.h (ASM_OUTPUT_LONG_DOUBLE): Use 0L not 0.
4896 * config/ia64/ia64.md (bsp_value): Add explicit stop bit at start.
4897 (flushrs): Add explicit stop bit at end.
4898 * config/ia64/lib1funcs.asm (__ia64_restore_stack_nonlocal): Change
4901 2001-01-23 Chris Demetriou <cgd@broadcom.com>
4903 * libgcc-std.ver (GCC_3.0): Add __terminate_func_set to list
4905 * libgcc2.c (__terminate_func): Make variable static.
4906 (__terminate_set_func): New function to set __terminate_func.
4907 * libgcc2.h (__terminate_func_ptr): New typedef.
4908 (__terminate_set_func): New function.
4910 2001-01-23 Richard Henderson <rth@redhat.com>
4912 * flow.c (init_propagate_block_info): Don't consider unchanging
4913 memories for dead frame store elimination.
4915 2001-01-23 Richard Henderson <rth@redhat.com>
4917 * varasm.c (UNIQUE_SECTION): Move default implementation ...
4918 * defaults.h: ... here.
4920 2001-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4922 * c4x.h (TARGET_LOAD_DIRECT_MEMS): Define.
4924 2001-01-23 Neil Booth <neil@daikokuya.demon.co.uk>
4926 * c-lex.c (lex_charconst): Fix typo: s/p/str.
4928 2001-01-23 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4930 * rs6000.h (rs6000_return_addr): Move prototype from here...
4931 * rs6000-protos.h (rs6000_return_addr): ...to here.
4932 (rs6000_init_expanders): Delete prototype.
4934 2001-01-23 Nick Clifton <nickc@redhat.com>
4936 * invoke.texi: Replace , with \, inside @gccoptlist macros.
4937 (Spec Files): Document %B and %j and %. and %v3 and %M and
4938 %{S*&T} spec switches.
4940 2001-01-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4942 * c4x.c (c4x_r11_set_p): Calculate rtx code correctly.
4944 2001-01-23 Chris Demetriou <cgd@sibyte.com>
4945 Neil Booth <neil@daikokuya.demon.co.uk>
4947 * cpperror.c: Merge handlers of PEDWARN and WARNING.
4948 Have -Werror make pedantic warnings errors, like the
4951 2001-01-23 Phil Edwards <pme@sources.redhat.com>
4953 * c-tree.texi (IDENTIFIER_LENGTH): Fix typo.
4955 2001-01-23 Jakub Jelinek <jakub@redhat.com>
4957 * integrate.h (struct inline_remap): Add compare_src, compare_mode.
4958 * integrate.c (expand_inline_function): Initialize them.
4959 (subst_constants): If changing COMPARE so that both its arguments
4960 will be VOIDmode and the comparison mode will be lost, note
4961 compare_mode. Use the recorded compare_mode to optimize
4964 2001-01-23 Jason Merrill <jason@redhat.com>
4966 * dwarf2out.c (new_die): Use xcalloc.
4967 (output_die): Abort rather than emit a local reference to offset 0.
4969 2001-01-17 Andrew Haley <aph@redhat.com>
4971 * libgcc2.c (get_reg_addr): Don't abort if we haven't got a copy
4972 of a saved register; return NULL instead.
4973 (copy_reg): Take a pointer to a source register rather than a
4975 (next_stack_level): Remember the address in the stack frame of all
4977 Use the saved register pointer array as the source of the CFA.
4978 (throw_helper): Rewrite. Unwind once rather than twice and keep
4979 track of saved registers as we go.
4981 2001-01-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4983 * c4x-protos.h (c4x_legitimize_reload_address): Remove.
4984 * c4x.c (c4x_legitimize_reload_address): Remove.
4985 * c4x.h (LEGITIMIZE_RELOAD_ADDRESS): Rewrite to generate correct
4986 reload address for ldp(k) insn.
4988 Mon Jan 22 20:53:47 2001 Jeffrey A Law (law@cygnus.com)
4990 * pa.md (return_internal): Add a USE of the PIC register to ensure
4991 it is restored after each call.
4992 (return expander): Corresponding changes.
4994 2001-01-22 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4996 * rs6000.h (INIT_EXPANDERS): Delete.
4997 (RETURN_ADDR_RTX): Call rs6000_return_addr().
4998 * rs6000.c (rs6000_override_options): Call *_machine_status from
5000 (rs6000_init_expanders): ...instead of here. Delete.
5001 (rs6000_mark_machine_status): New function.
5002 (rs6000_init_machine_status): Use xcalloc.
5003 (rs6000_return_addr): Generate RTX for the return address.
5004 (rs6000_ra_ever_killed): New, check if LR was ever destroyed.
5005 (rs6000_stack_info): Use it.
5007 2001-01-22 Thomas Pfaff <tpfaff@gmx.net>
5009 * gthr-win32.h: Include errno.h to get a declaration for
5010 EINVAL and _mingw.h if the target is mingw32.
5012 2001-01-22 Andres Felipe Vargas <avargas@teletulua.com.co>
5014 * cpp.texi: Correct typos.
5016 Mon Jan 22 13:59:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5018 * explow.c (probe_stack_range): Ensure value passed to
5019 stack_check_libfunc is ptr_mode, not Pmode.
5021 Mon Jan 22 16:53:06 2001 J"orn Rennecke <amylaar@redhat.com>
5023 * recog.c (validate_replace_rtx_1): In ZERO_EXTEND / SIGN_EXTEND
5024 case, don't use operand_subword to calculate a SUBREG that is
5027 * rtl.texi: Comparisons yield 0 or STORE_FLAG_VALUE.
5029 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5031 * c4x.c (c4x_valid_rptb_p, c4x_label_ref_used_p): New functions.
5032 (c4x_rptb_insert): Call c4x_valid_rptb_p to check if repeat block is
5033 valid. If not replace it by equivalent insns.
5035 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5037 * c4x.c (c4x_check_legit_addr): Only check CONST. Not if CONST
5038 contains SYMBOL_REF, LABEL_REF and CONST_INT.
5039 (c4x_U_constraint, symbolic_address_operand): Likewise.
5040 (c4x_immed_float_constant): Do not check if CONST_DOUBLE is in
5042 (c4x_r11_set_p, c4x_check_laj_p): New functions.
5043 * c4x-protos.h (c4x_check_laj_p): Add prototype.
5044 * c4x.md (in_annul_slot_3): Do not allow auto-increment in last
5045 anulling slot because of silicon bug.
5046 (laj, lajv): Call c4x_check_laj_p to check for silicon bug.
5048 2001-01-22 Alan Modra <alan@linuxcare.com.au>
5050 * cppexp.c (parse_charconst): Change `mask' type to agree
5053 2001-01-21 Richard Henderson <rth@redhat.com>
5055 * config/i386/i386.c (ix86_asm_file_end): Disable putting
5056 pic_label_name in a linkonce section.
5058 2001-01-17 Philipp Thomas <pthomas@suse.de>
5060 * aclocal.m4 (AM_WITH_NLS): Add -lintl to LIBS if gettext was
5062 * configure: Regenerate.
5064 Sun Jan 21 02:38:56 2001 J"orn Rennecke <amylaar@redhat.com>
5066 * expmed.c (synth_mult, expand_mult_highpart, expand_divmod): Guard
5067 uses of shift_cost, shiftadd_cost and shiftsub_cost with bound checks.
5069 Sun Jan 21 09:44:17 2001 Denis Chertykov <denisc@overta.ru>
5071 * config/avr/avr.c (ret_cond_branch): New argument (reverse) added.
5072 If REVERSE nonzero then condition code in X must be reversed.
5073 (encode_section_info): Optimise if/else.
5074 (avr_function_value): Fix formatting.
5076 * config/avr/avr.md (branch): Call to ret_cond_branch changed.
5077 (difficult_branch): Likewise.
5078 (rvbranch): Likewise.
5079 (difficult_rvbranch): Likewise.
5081 * config/avr/avr-protos.h (ret_cond_branch): Prototype changed.
5083 * config/avr/libgcc.S: Fix comment.
5085 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
5087 * sdbout.c (PUT_SDB_DEF): Fix after last bogus change.
5089 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
5091 * cppinit.c (INO_T_EQ): Don't use #elif, fix formatting.
5093 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
5095 * aclocal.m4 (gcc_AC_FUNC_STRSTR): New macro.
5096 * configure.in (gcc_AC_FUNC_STRSTR): Add invokation.
5097 * configure, config.in: Regenerate.
5098 * Makefile.in (STRSTR, HOST_STRSTR, USE_HOST_STRSTR): New variables.
5099 (LIBDEPS, HOST_LIBDEPS, LIBS, HOST_LIBS): Add strstr handling.
5100 (strstr.o, $(HOST_PREFIX_1)strstr.o): New rules.
5101 (doprint.o): New rule.
5103 2001-01-20 Joseph S. Myers <jsm28@cam.ac.uk>
5105 * c-typeck.c (digest_init): Handle boolean types as scalars.
5107 Sat Jan 20 12:46:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5109 * stmt.c (expand_return): Don't return anything if size is zero.
5110 Delete redundant assignment to BYTES.
5111 * expr.c (move_block_from_reg): Do nothing if NREGS is zero.
5113 2001-01-20 Marek Michalkiewicz <marekm@linux.org.pl>
5115 * config/avr/avr.h (INIT_TARGET_OPTABS): Remove most of it, was
5116 the same as the default library function names.
5117 * config/avr/avr.md: Document special characters after '%'.
5118 (mulqi3, mulhi3, mulsi3): Call libgcc.S functions ourselves,
5119 knowing which of the call-used registers are really clobbered.
5120 (divmodqi4, udivmodqi4, divmodhi4, udivmodhi4, divmodsi4, udivmodsi4):
5121 New. Both quotient and remainder from one libgcc.S call.
5122 * config/avr/libgcc.S: Optimize mul/divmod for the new insns above,
5123 clobber as few registers as possible.
5124 * config/avr/t-avr (LIB1ASMFUNCS): Adjust for the above changes.
5126 2001-01-20 Neil Booth <neil@daikokuya.demon.co.uk>
5128 * cppmacro.c (funlike_invocation_p): Don't move back up to the
5129 context of the top of the stack.
5131 2001-01-20 Jakub Jelinek <jakub@redhat.com>
5133 * function.c (fixup_var_refs): Move CALL_PLACEHOLDER handling...
5134 (fixup_var_refs_insns): ...here.
5136 2001-01-20 Zack Weinberg <zack@wolery.stanford.edu>
5138 * function.c (fixup_var_refs_insns): Break up into
5139 fixup_var_refs_insn [body of loop], fixup_var_refs_insns
5140 [loop over entire insn list], and fixup_var_refs_insns_with_hash
5141 [loop over hash table entries].
5142 (fixup_var_refs): Adjust calls to fixup_var_refs_insns and/or
5143 fixup_var_refs_insns_with_hash, to match above changes.
5145 2001-01-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
5147 * Makefile.in (ORDINARY_FLAGS_TO_PASS): Add MAKEOVERRIDES variable.
5148 (libgcc.a): Likewise.
5149 (stmp-multilib): Likewise.
5150 (STAGE2_FLAGS_TO_PASS): Likewise.
5152 2001-01-19 Alexandre Oliva <aoliva@redhat.com>
5154 * config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as
5155 temporary if no_new_pseudos.
5157 2001-01-19 Neil Booth <neil@daikokuya.demon.co.uk>
5159 * cppinternals.texi: Update.
5161 2001-01-19 Richard Earnshaw <rearnsha@arm.com>
5163 * arm.c (arm_init_builtins): Re-enable builtins.
5165 Fri Jan 19 13:02:56 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5167 * rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility.
5168 * flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow
5169 element to be null, and always expect an EXPR_LIST.
5170 * rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise.
5171 * sched-deps.c (sched_analyze_1): Likewise.
5172 * sched-rgn.c (check_live_1, update_live_1): Likewise.
5174 * regclass.c (max_set_parallel): New variable.
5175 (reg_scan): Take it into account in computation of max_parallel.
5176 (reg_scan_mark_refs, case SET): Compute it.
5178 * alias.c (rtx_equal_for_memref_p, case ADDRESSOF): Don't assume
5180 * expr.c (store_constructor): Don't look at MEM_ALIAS_SET unless MEM.
5181 * function.c (assign_parms): Use INTVAL for a CONST_INT.
5183 2001-01-19 Jason Merrill <jason@redhat.com>
5185 * dwarf2out.c (gen_subprogram_die): Don't reuse the in-class decl
5186 for the abstract instance of an inline function.
5188 Fri Jan 19 14:31:35 2001 Alexandre Oliva <aoliva@redhat.com>
5189 J"orn Rennecke <amylaar@redhat.com>
5191 * reload1.c (move2add_note_store): Treat all registers directly or
5192 indirectly derived from a base register as members of the same set
5194 (reload_cse_move2add): Adjust accordingly. Take mode and offset
5195 of base register into account.
5197 Fri Jan 19 09:18:42 2001 J"orn Rennecke <amylaar@redhat.com>
5199 * alias.c (find_base_value): Recognize TRUNCATE.
5200 (record_set): In PLUS case, invalidate if other summand is also a
5203 Thu Jan 18 06:43:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5205 * flow.c (mark_set_1, case PARALLEL): New case; rework to allow
5206 entry to be EXPR_LIST.
5207 * rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to
5208 be an EXPR_LIST (but not null, which other code doesn't allow).
5209 (note_stores): Properly handle PARALLEL in SET.
5210 Recursively call for top-level PARALLEL.
5211 * sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET.
5212 * sched-rgn.c (check_live_1, update_live_1): Likewise.
5214 * config.gcc (rs6000-ibm-aix*, rs6000-bull-bosx): Add rs6000/aix.h.
5216 2001-01-18 Neil Booth <neil@daikokuya.demon.co.uk>
5218 * cpplib.c (_cpp_handle_directive): Use buffer->was_skipping,
5219 not pfile->skipping (== 0).
5221 2001-01-17 Nick Clifton <nickc@redhat.com>
5223 * config/rs6000/rs6000.c: Add prototypes for {init|free}_
5226 2001-01-17 Jim Wilson <wilson@redhat.com>
5228 * invoke.texi (IA-64 options): Improve.
5230 2001-01-17 Tom Tromey <tromey@redhat.com>
5232 * invoke.texi (Optimize Options): Use `{}' to around @samp
5235 2001-01-17 Aldy Hernandez <aldyh@redhat.com>
5237 * invoke.texi (-fno-guess-branch-probability): New option.
5239 Wed Jan 17 13:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5241 * combine.c (try_combine): Don't set i3_subst_into_i2 for
5242 case of making new double-word constant.
5243 Revert last change: instead just test i3_subst_into_i2.
5245 2001-01-17 Jakub Jelinek <jakub@redhat.com>
5247 * config/i386/i386.md (cmpqi_minus_1): Use {b} for QImode operation.
5248 Use q constraints instead of r.
5250 Tue Jan 16 22:23:04 2001 Alan Modra (alan@linuxcare.com.au)
5252 * config/pa/pa.h (PIC_OFFSET_TABLE_REGNUM_SAVED): Remove.
5253 (machine_function): Define.
5254 (PIC_OFFSET_TABLE_SAVE_RTX) : Define.
5255 * config/pa/pa.c (pa_init_machine_status, pa_mark_machine_status,
5256 pa_free_machine_status): New functions.
5257 (override_options): Set {init,mark,free}_machine_status to above.
5258 (hppa_expand_prologue): Use PIC_OFFSET_TABLE_SAVE_RTX instead of
5259 PIC_OFFSET_TABLE_REGNUM_SAVED.
5260 * config/pa/pa.md: Use PIC_OFFSET_TABLE_SAVE_RTX instead of
5261 PIC_OFFSET_TABLE_REGNUM_SAVED throughout.
5262 * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Remove
5263 references to PIC_OFFSET_TABLE_REGNUM_SAVED.
5264 * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
5266 2001-01-15 DJ Delorie <dj@redhat.com>
5268 * Makefile.in (gcov.1): Protect against texi2pod/pod2man failing.
5272 Tue Jan 16 17:20:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5274 * flow.c (propagate_on_insn): Make trying to delete a prologue
5275 or epilogue insn an ICE, not a warning. Allow doing this if
5276 the current function returns with stack pointer depressed.
5278 * combine.c (try_combine): If i3_subst_into_i2, properly check for
5279 I3 having more than one SET.
5281 2001-01-16 Jim Wilson <wilson@redhat.com>
5283 * invoke.texi: Document IA-64 options.
5285 * config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support.
5286 (fixup_errata): Delete TARGET_A_STEP use.
5287 * config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete.
5288 (TARGET_SWITCHES): Delete -ma-step option.
5289 * config/ia64/ia64.md (all FP patterns): Delete %B0.
5290 (movqicc_astep, movqi_internal_astep, movhicc_astep,
5291 movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1,
5292 movdi_internal_astep, movsfcc_astep, movsf_internal_astep,
5293 movdfcc_astep, movdf_internal_astep, movtfcc_astep,
5294 movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep):
5296 (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
5297 movsf_internal, movdf_internal, movtf_internal, cmovdi_internal,
5298 cmovsi_internal): Delete ! TARGET_A_STEP check.
5300 2001-01-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
5302 * gcc.texi (Bug Lists): Do not mention newsgroups nor the
5303 possibility to report bugs via postal mail. Change a URL and
5304 merge in a nearly duplicate statement...
5305 (Bug Reporting): ...from here.
5306 (Service): Refer to the Bug Reporting section instead of
5308 (Contributing): Remove trivial explanations concerning snapshots.
5310 2001-01-16 Alan Modra <alan@linuxcare.com.au>
5312 * cppmain.c (general_init): Don't use ANSI prototype.
5314 2001-01-16 Tom Tromey <tromey@redhat.com>
5316 * gcc.c (cpp_options): Added `*' to specs for -MF, -MQ, and -MT.
5318 2001-01-16 Richard Henderson <rth@redhat.com>
5320 * config/i386/i386.h: Fix comment typo.
5321 * config/i386/i386.md (shift+compare pattern names): s/cmpno/cmp/
5322 (ashr+compare patterns): Match CCGOCmode not CCNOmode.
5324 2001-01-16 Phil Edwards <pme@sources.redhat.com>
5326 * gcc.c: Revert previous -fsyntax-only-related change; move
5329 2001-01-16 Jakub Jelinek <jakub@redhat.com>
5331 * config/i386/i386.c (fcmov_comparison_operator): Only initialize
5332 inmode after checking GET_CODE (op).
5334 2001-01-16 Richard Henderson <rth@redhat.com>
5336 * flow.c (struct propagate_block_info): Add mem_set_list_len.
5337 (MAX_MEM_SET_LIST_LEN): New.
5338 (propagate_one_insn): Update mem_set_list_len.
5339 (invalidate_mems_from_autoinc): Likewise.
5340 (invalidate_mems_from_set): Likewise.
5341 (mark_used_regs): Likewise.
5342 (init_propagate_block_info): Likewise. Stop collecting memories
5343 when we reach MAX_MEM_SET_LIST_LEN.
5344 (mark_set_1): Likewise.
5346 2001-01-16 Richard Henderson <rth@redhat.com>
5348 * unroll.c (precondition_loop_p): Fail if no iteration
5351 2001-01-16 Phil Edwards <pme@sources.redhat.com>
5353 * gcc.c: When -fsyntax-only is given, do not complain about
5356 2001-01-15 Richard Henderson <rth@redhat.com>
5358 * config/i386/i386.c (asm_output_function_prefix): Remove.
5359 (ix86_asm_file_end): New.
5360 (load_pic_register): Generate pic_label_name into a
5361 staticly allocated buffer.
5362 * config/i386/i386-protos.h: Update.
5363 * config/i386/i386.h (ASM_OUTPUT_FUNCTION_PREFIX): Remove.
5364 (ASM_FILE_END): New.
5365 * config/i386/i386afe.h: New file.
5366 * config.gcc (i?86-*-elf) [tm_file]: Use it.
5367 (i?86-*-{freebsd,linux*,moss*}): Likewise.
5368 * config/elfos.h (ASM_FILE_END): Undef before redefinition.
5369 * config/i386/cygwin.h (ASM_FILE_END): Likewise.
5370 * config/i386/osfrose.h (ASM_FILE_END): Invoke ix86_asm_file_end.
5371 * config/i386/sco5.h (ASM_FILE_END): Likewise.
5372 * config/i386/winnt.c (i386_pe_asm_file_end): Likewise.
5374 2001-01-15 Joseph S. Myers <jsm28@cam.ac.uk>
5376 * Makefile.in (install-man): Remove explicit dependency on
5379 * configure.in, configure: Revert previous patch requiring perl
5382 2001-01-12 Aldy Hernandez <aldyh@redhat.com>
5384 * toplev.c (flag_guess_branch_prob): New.
5385 (f_options): Add guess-branch-probability option.
5386 (rest_of_decl_compilation): Only estimate branch probability if
5388 (main): set flag_guess_branch_prob.
5390 * flags.h (flag_guess_branch_prob): New.
5392 2001-01-15 DJ Delorie <dj@redhat.com>
5394 * gcc.texi (Makefile): Add documentation for Makefile targets.
5396 2001-01-15 Philip Blundell <philb@gnu.org>
5398 * config/arm/arm.c (arm_finalize_pic): New arg "prologue".
5400 * config/arm/arm-protos.h (arm_finalize_pic): Update prototype.
5401 (is_pic): Delete declaration.
5402 * config/arm/arm.h (FINALIZE_PIC): Update call to arm_finalize_pic.
5403 (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address.
5404 * config/arm/arm.md (builtin_setjmp_receiver): New.
5406 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
5408 * arm.c (use_return_insn): Don't try to determine the function type
5409 until after reload has completed.
5410 (arm_output_epilogue): Don't adjust the sp value recovered from the
5412 (emit_multi_reg_push): Don't record dwarf information for the pc.
5413 * arm.md (eh_epilogue): The function type may have changed, so it
5414 needs to be recalculated.
5415 * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete. Can now use dwarf2
5416 unwind tables on arm/netbsd.
5418 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
5420 * arm.md (cbranchsi4): Correct calculation of branch ranges.
5421 (negated_cbranchsi4): Likewise.
5423 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
5425 * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define.
5426 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
5427 (ASM_SPEC): Call subtarget_extra_asm_spec. Don't
5428 pass -mapcs-* options to assembler.
5429 * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define.
5430 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
5431 (ASM_SPEC): Call subtarget_extra_asm_spec.
5433 2001-01-15 Andreas Jaeger <aj@suse.de>
5435 * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove
5437 (ix86_expand_builtin): Likewise.
5439 * gencodes.c (output_predicate_decls): Make i size_t to avoid
5440 warning about comparison between signed and unsigned.
5442 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
5444 * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs.
5446 2001-01-14 Ralf Baechle <ralf@gnu.org>
5448 * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change
5449 SUBTARGET_CPP_SPEC apropriatly.
5451 2001-01-12 Mark Mitchell <mark@codesourcery.com>
5453 * varasm.c (make_decl_rtl): Fix typo in last change.
5455 2001-01-14 Jeffrey Oldham <oldham@codesourcery.com>
5457 * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the
5458 linker supports the init_priority C++ attribute.
5459 * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro.
5460 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix
5461 linker does not support init_priority C++ attribute.
5463 Sun Jan 14 22:31:30 2001 J"orn Rennecke <amylaar@redhat.com>
5465 * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs.
5467 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
5469 * c-parse.in (finish_parse): Add comment about cpp_destroy.
5470 * cp/lex.c (finish_parse): Similarly.
5471 * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity.
5472 Return the number of errors encountered.
5473 * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int.
5474 * cppmain.c (main): Don't call cpp_destroy.
5476 2001-01-14 Joseph S. Myers <jsm28@cam.ac.uk>
5478 * configure.in: Require at least perl 5.6.0 to regenerate
5480 * configure: Regenerate.
5482 2001-01-14 Richard Henderson <rth@redhat.com>
5484 * genrecog.c (DT_veclen_ge): New.
5485 (add_to_sequence) [MATCH_PARALLEL]: Generate one.
5486 (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge.
5487 (nodes_identical_1): Handle DT_veclen_ge.
5488 (write_cond, debug_decision_2): Likewise.
5490 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
5492 * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete. Replace
5494 (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New.
5496 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
5498 * cppmain.c (do_preprocessing): New function; most of the old
5500 (main): Call it to do most of the work.
5501 (cb): Move from global scope to set_callbacks ().
5502 (setup_callbacks): Get the callback pointer.
5503 (general_init, printer_init): Clean up code and comments.
5505 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
5507 * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
5510 2001-01-14 Kazu Hirata <kazu@hxi.com>
5512 * config/h8300/h8300.c (get_shift_alg): Update comments.
5514 Sun Jan 14 06:20:49 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5516 * ggc-page.c (alloc_annon): Call perror and correctly call exit.
5517 (alloc_page, ggc_alloc): Add casts to remove warnings.
5519 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
5521 * combine.c (simplify_comparison): Don't change `code' when
5522 can't reverse comparison.
5524 2001-01-14 Richard Henderson <rth@redhat.com>
5526 * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
5527 update all call sites. Return true for all non-label constants.
5529 Sun Jan 14 10:09:48 MET 2001 Jan hubicka <jh@suse.cz>
5531 * i386.c (ix86_expand_compare): Add bypass_test and second_test
5533 (ix86_expand_branch): Update.
5534 (ix86_expand_setcc): Update to handle multiple test conditions.
5535 (expand_int_movcc): Likewise.
5536 (expand_fp_movcc): Likewise.
5537 * i386-protos.h (ix86_expand_compare): New.
5538 * i386.md (andqi_?_slp, orqi_?_slp): New.
5539 (conditional trap expander): Update call to ix86_expand_compare.
5541 2001-01-14 Richard Henderson <rth@redhat.com>
5543 * config/vax/vax.md: Use nonimmediate_operand instead of
5544 general_operand in destinations.
5546 * config/vax/vax.md (indirect_jump): Use register_operand.
5548 * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
5549 * config/vax/vax.md (call_pop): Turn into an expander.
5550 (call_value_pop): Likewise.
5551 (call, call_value): New.
5553 2001-01-14 Andreas Jaeger <aj@suse.de>
5555 * config/i386/i386.c (ix86_split_fp_branch): Remove unused
5557 (ix86_fp_compare_mode): Add unused attribute.
5558 (ix86_expand_fp_movcc): Remove unused variable.
5559 (ix86_expand_builtin): Make fcode unsigned.
5561 * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
5562 (expand_expr): Add cast to avoid signed warning.
5563 (store_field): Likewise.
5564 (store_constructor_field): Likewise.
5565 (store_constructor): Likewise.
5566 (store_expr): Likewise.
5567 (clear_storage): Likewise.
5568 (emit_group_store): Likewise.
5569 (emit_group_load): Likewise.
5571 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
5573 * c-common.c: Move format checking code to ...
5574 * c-format.c: ... here. New file. Reorder some functions and
5576 (decl_handle_format_attribute, decl_handle_format_arg_attribute):
5578 * c-common.h (decl_handle_format_attribute,
5579 decl_handle_format_arg_attribute): Declare.
5580 * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
5581 (c-common.o): Adjust dependencies.
5582 (c-format.o): New list of dependencies.
5584 2001-01-13 Jakub Jelinek <jakub@redhat.com>
5586 * unroll.c (loop_iterations): If we cannot prove iteration variable
5587 is set once in each iteration, punt.
5589 Sun Jan 14 00:23:15 2001 Denis Chertykov <denisc@overta.ru>
5591 * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
5592 (*strlenhi): Remove clobber (which was buggy) of output address.
5594 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
5596 * Makefile.in (generated-manpages): Add gcc.1
5597 ($(srcdir)/gcc.1): New target.
5598 (maintainer-clean): Delete $(srcdir)/gcc.1.
5599 * gcc.texi: Add macros @gccoptlist and @gol.
5600 * invoke.texi: Include option summary in manpage. Mark up option
5601 summary with @gccoptlist and @gol. Use @r in one place where
5603 * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
5604 * gcc.1: Generate from invoke.texi.
5606 2001-01-13 Richard Henderson <rth@redhat.com>
5608 * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
5609 (struct page_entry): Add group member.
5610 (struct page_group): New.
5611 (struct globals): Add page_groups member.
5612 (alloc_anon): Only define for using mmap; remove valloc call.
5613 (page_group_index): New.
5614 (set_page_group_in_use): New.
5615 (clear_page_group_in_use): New.
5616 (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
5617 (free_page, release_pages): Likewise.
5618 * configure.in (with-gc): Default to ggc-page always.
5620 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
5622 * reload1.c (replace_pseudos_in_call_usage): Use
5623 reg_equiv_constant and reg_equiv_address, and don't try
5624 regno_reg_rtx first.
5626 2001-01-13 Richard Henderson <rth@redhat.com>
5628 * ggc-page.c (alloc_page): Round up allocation size to one page.
5629 Set e->order on extra pages.
5631 2001-01-13 Richard Henderson <rth@redhat.com>
5633 * genrecog.c (nodes_identical): Expand commentary.
5634 (write_switch): Watch out for identical nodes.
5636 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
5638 * cppfiles.c (_cpp_fake_include): New function.
5639 * cpphash.h (_cpp_fake_include): New.
5640 * cpplib.c (do_line): Call _cpp_fake_include when entering
5641 header files in preprocessed input.
5642 * cppmain.c (cb_pragma_implementation): Remove handling.
5643 (setup_callbacks): Don't register pragmas.
5645 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
5647 * extend.texi: Udate for CPP.
5649 2001-01-13 Andreas Jaeger <aj@suse.de>
5651 * reload1.c: Add prototype for replace_pseudos_in_call_usage.
5653 * regmove.c: Add prototype for replace_in_call_usage.
5655 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
5657 * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
5658 struct cpp_chunk, struct htab, struct toklist,
5659 struct cpp_context, CPP_STACK_MAX, struct lexer_state,
5660 struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
5661 CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
5662 ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
5663 (struct macro_args): Delete.
5664 * cpphash.h: See above.
5666 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
5668 * cppmain.c (struct printer): Remove no_line_dirs.
5670 (main, setup_callbacks, scan_buffer, printer_init, cb_define)
5671 : Use options rather than CPP_OPTION.
5672 (setup_callbacks): Use cb rather than pfile->cb.
5673 (main): No need to check for a buffer. Use cpp_errors.
5674 (printer_init): Don't set no_line_dirs.
5675 (maybe_print_line): Use options not no_line_dirs.
5676 (cb_file_change): Don't call print_line if -P.
5678 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
5680 * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
5682 * c-parse.in (finish_parse): Use cpp_errors.
5683 (__yylex): Use return value of cpp_pop_buffer.
5684 * cp/lex.c (finish_parse): Use cpp_errors.
5685 * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
5687 Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru>
5689 * README.AVR: URLs corrected.
5691 Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5693 * c-decl.c (start_function): Don't warn if old prototype is builtin
5694 that's not in C's namespace.
5695 * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
5696 (_bb): Add prototype for ctime.
5697 * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
5699 Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz>
5701 * i386.c (ix86_fp_comparison_arithmetics_cost,
5702 ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
5703 ix86_fp_comparison_cost): New functions.
5704 (ix86_expand_fp_compare): Use the costs to choose best bethod; add
5705 two new parameters SECOND_TEST and BYPASS_TEST; allow generating
5706 two-branch sequences; make static.
5707 (ix86_use_fcomi_compare): Do decision according to the costs.
5708 (split_fp_branch): New.
5709 * i386.md (compare-and-branch patterns): Use split_fp_branch.
5710 * i386-protos.h (ix86_expand_fp_compare): Remove
5711 (ix86_split_fp_branch): Declare.
5713 * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
5714 and ix86_comparison_operator.
5716 * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
5719 * i386.c (put_condition_code): Output properly the unordered/ordered
5720 compares in fp case.
5721 (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
5723 * tm.texi (REVERSE_CONDITION): Document.
5724 * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
5725 in -ffast-math mode.
5726 * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
5728 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
5730 * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
5732 * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
5735 * config/sh/sh.c (mova_p): Fix test for mova_const.
5737 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
5739 * fix-header.c (read_scan_file): Use cpp_get_callbacks and
5740 cpp_get_options rather than dereferencing pfile and using
5742 * scan-decls.c (scan_decls): Use return value of
5743 cpp_pop_buffer rather than CPP_BUFFER.
5745 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
5747 * cppinit.c (cpp_handle_option): help_only is now part of the
5748 cpp_options structure.
5749 * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
5750 cpp_set_callbacks): New functions.
5751 * cpplib.h (cpp_callbacks): Break out as a named structure.
5752 (cpp_options): Move help_only here from cpp_reader.
5753 (CPP_FATAL_ERRORS): Update to use cpp_errors.
5754 (cpp_errors, cpp_get_options, cpp_get_callbacks,
5755 cpp_set_callbacks): New prototypes.
5756 * cppmain.c (main): Update for help_only.
5758 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
5760 * Makefile.in (info, maintainer-clean, install-info, uninstall):
5761 Also build and remove and install and uninstall c-tree.info and
5763 ($(srcdir)/gcc.info): Add dependency on contrib.texi.
5764 ($(srcdir)/cppinternals.info): New target.
5765 * c-tree.texi: Change file name used when makeinfo used without -o
5766 from ir.info to c-tree.info. Add info directory entry.
5767 * cppinternals.texi: Add info directory entry.
5768 * .cvsignore: Update.
5770 2001-01-12 Jakub Jelinek <jakub@redhat.com>
5772 * c-typeck.c (store_init_value): Don't require constant initializer
5773 elements with -pedantic -std=c99.
5774 (digest_init): Change error about non-constant initializer elements
5776 (constructor_range_end): Remove.
5777 (constructor_incremental, designator_depth,
5778 designator_errorneous): New variables.
5779 (struct constructor_stack): Remove range_end, add incremental.
5780 (struct constructor_range_stack, constructor_range_stack): New.
5781 (struct initializer_stack): Add constructor_range_stack.
5782 (finish_init): Set it.
5783 (start_init): Likewise. require_constant_elements for non-static
5784 trees only if not flag_isoc99.
5785 (really_start_incremental_init): Remove constructor_range_end, add
5786 constructor_incremental.
5787 (pop_init_level): Likewise.
5788 (push_init_level): Likewise. If implicit and the subobject had some
5789 value set already, preinitialize the level with it.
5790 Warn about missing braces only if not pushing due to designators.
5791 (set_designator, push_range_stack): New functions.
5792 (set_init_label): Use them.
5793 (set_init_index): Likewise. Remove constructor_range_end.
5794 Error if designator index is outside of array bounds.
5795 (add_pending_init): Compare values of purpose index trees, not the
5796 trees themselves. Allow overwriting of already initialized element.
5797 Issue a warning if it had side-effects.
5798 (set_nonincremental_init, set_nonincremental_init_from_string): New
5800 (pending_init_member): Rename to...
5801 (find_init_member): ...this function. Call set_nonincremental_init
5802 if necessary. Compare values of purpose index trees, not the trees
5803 themselves. Return the actual value, not just non-zero if something
5805 (output_init_element): Remove checks for duplicates.
5806 If field has zero size, only check the initializer for correctness.
5807 Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL
5808 if constructor_incremental is zero. Change error about initializers
5809 not computable at load time into pedwarn.
5810 (output_pending_init_elements): Compare bit positions, not
5811 FIELD_DECLs to take into account zero-sized fields.
5812 (process_init_element): Use constructor_range_stack to fill all
5813 ranges in the designator lists from current level up.
5814 * extend.texi: Update documentation for labeled elements.
5816 2001-01-12 Alexandre Oliva <aoliva@redhat.com>
5818 * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
5819 to function usage for arguments passed by reference. Optimize
5820 callee-copied arguments.
5821 * regmove.c (replace_in_call_usage): New function.
5822 (fixup_match_1): Call it.
5823 * cse.c (cse_insn): Canonicalize registers in function usage.
5824 * reload1.c (replace_pseudos_in_call_usage): New function.
5827 * Makefile.in: Reverted yesterday's wrong patch. Installed the
5830 2001-01-12 Jakub Jelinek <jakub@redhat.com>
5832 * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
5835 2001-01-12 DJ Delorie <dj@redhat.com>
5837 * Makefile.in (bootstrap): rename stages to be mnemonic. Add
5838 restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
5841 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
5843 * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
5844 tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to
5845 -std options alongside references to -ansi. Update some
5846 documentation for C99.
5847 * cpp.1: Regenerate.
5849 2001-01-12 Andreas Jaeger <aj@suse.de>
5851 * haifa-sched.c (restore_line_notes): Remove argument block B
5853 * sched-ebb.c (schedule_ebb): Change caller.
5854 * sched-rgn.c (schedule_region): Likewise.
5855 * sched-int.h (restore_line_notes): Adjust prototype.
5857 * loop.h: Remove wrong declaration of doloop_condition_get.
5859 2001-01-12 Phil Edwards <pme@sources.redhat.com>
5861 * extend.texi: Move C++-extension-related node from the C section
5862 into the C++ section.
5864 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
5866 * extend.texi: Refer to an array of pointers to functions instead
5867 of one of functions.
5869 Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de>
5870 Jan Hubicka <jh@suse.cz>
5872 * combine.c (reversed_comparison): Fix typo in last patch.
5874 (combine_reversed_comparison_code): Make static to follow
5875 prototype declaration.
5877 2001-01-12 Phil Edwards <pme@sources.redhat.com>
5879 * install.texi: Remove misplaced duplicate entry.
5881 2001-01-11 Ulrich Drepper <drepper@redhat.com>
5883 * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
5885 Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
5887 * final.c: (leaf_function_p): Fix typo.
5889 2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
5891 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
5892 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
5894 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
5895 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
5896 mmap_anon, and valloc is available.
5897 * ggc-page.c: Restructure ifdef logic to match new autoconf
5898 spec. Don't throw away the test page in init_ggc.
5900 * configure, config.in: Regenerate.
5902 2001-01-12 Michael Hayes <mhayes@redhat.com>
5904 * loop.h (total_biv_increment): Constify iv_class pointer.
5905 (struct induction): Replace `mem_mode' with `mem' rtx.
5906 * unroll.c (total_biv_increment): Constify iv_class pointer.
5907 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
5908 (find_mem_givs, combine_givs_p): Likewise.
5909 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
5911 2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
5913 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
5915 (__gthread_getspecific): Ditto.
5917 Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
5919 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
5920 put_condition_code): Convert fp comparison codes to integer
5922 (ix86_expand_fp_compare): Postnote the fp comparison code converison
5925 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
5926 * i386-protos.h (no_comparison_operator): Kill.
5928 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
5930 * combine.c (REVERSIBLE_CC_MODE): Remove.
5931 (reversible_comparison_p): Remove.
5932 (combine_reversed_comparison_code): New.
5933 (reversed_comparison): New.
5934 (combine_simplify_rtx): Use
5935 combine_reversed_comparison_code/reversed_comparison instead
5936 of reversible_comparison_p.
5937 (simplify_if_then_else): Likewise.
5938 (simplify_set): Likewise.
5939 (simplify_logical): Likewise.
5940 (if_then_else_cond): Likewise.
5941 (known_cond): Likewise.
5942 (simplify_comparison): Likewise.
5944 2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
5946 * builtins.c (std_expand_builtin_va_start): Handle varargs when
5947 sizeof (int) is larger than sizeof(__word__).
5949 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
5951 * cppinit.c (do_includes): Fix typo.
5953 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
5955 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
5956 in S_REGS does not occur because not all sources are possible
5957 when a S_REGS is a destination (sometimes needs a clobber).
5958 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
5959 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
5960 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
5961 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
5962 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
5963 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
5964 (lshrdi_const1, lshrsi3_const16): Likewise.
5965 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
5966 (*movhi_68hc12, *movqi_68hc12): Likewise.
5967 (movstrictqi): Make sure reloading in D_REGS as a destination
5970 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
5972 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
5974 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
5976 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
5977 -D, -U and -A, and don't initialize the builtins.
5978 (do_includes): Error if -include or -imacros with -fpreprocessed.
5979 * cppmain.c (cb_define, cb_undef): Unconditionally process
5981 * tradcpp.c (main): Fix typo.
5983 2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
5985 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
5986 (read_name_map): Use IS_ABSOLUTE_PATH.
5987 * tradcpp.c (get_filename): Likewise.
5989 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
5991 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
5992 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
5993 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
5994 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
5995 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
5996 (cmphi_z_used): Don't use '@' for the output.
5997 (tstqi_z_used): Likewise.
5998 (cmpqi_z_used): Likewise.
5999 (one_cmplsi2): Likewise.
6001 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
6003 * config/sh/sh.c (barrier_align): Recognize branch around far
6004 branch and redundant insn.
6006 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
6008 * invoke.texi: Restore documentation of the drivers' switches -MD
6011 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
6013 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
6015 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
6016 check-objc//%): Support parallel testing of multilibs.
6017 (TESTSUITEDIR): Set to testsuite by default, but override for
6019 (check-gcc, check-g++, check-g77, check-objc): Enter
6022 2001-01-11 Bernd Schmidt <bernds@redhat.com>
6024 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
6025 * sched-deps.c (deps_may_trap_p): Likewise.
6026 * basic-block.h: Remove a comment.
6027 * flow.c (PROP_POSTRELOAD): Remove.
6028 (update_life_info): Don't add it to prop_flags.
6029 (mark_set_1): Lose the code that was enabled by it.
6031 2001-01-11 Michael Hayes <mhayes@redhat.com>
6033 * flow.c (flow_call_edges_add): New.
6034 * basic_block.h (flow_call_edges_add): New.
6036 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
6038 * reload1.c (move2add_note_store): Update reg_set_luid even if
6039 base reg remains the same.
6041 2001-01-10 Nick Clifton <nickc@redhat.com>
6043 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
6044 machine_function structure to zero.
6045 Add prototypes for machine_status functions.
6047 2001-01-10 Mark Mitchell <mark@codesourcery.com>
6049 * c-common.h (CTI_VOID_LIST): Remove.
6050 (void_list_node): Likewise.
6051 * tree.h (TI_VOID_LIST_NODE): New enumeral.
6052 (void_list_node): New macro.
6053 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
6054 * config/i386/i386.c (ix86_init_builtins): Likewise.
6055 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
6057 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
6059 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
6060 * cppinit.c (cpp_start_read): Update comment, remove unneeded
6062 * tradcpp.c: Include mkdeps.h.
6063 (deps, print_deps_phony_targets, deps_append, output_deps,
6064 init_dependency_output, output_deps): New.
6065 (deps_buffer, deps_allocated_size, deps_size, deps_column,
6066 deps_output): Delete.
6067 (print_deps_missing_files): Rename deps_missing_files.
6068 (inhibit_output): Make global.
6069 (main): Delete inhibit_output, deps_stream, deps_target.
6070 Use mkdeps functionality in the same way as cpplib. Remove
6071 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
6072 -M and -MM. Remove old handling of deps via deps_out, and
6073 old reading of environment variables.
6074 (get_filename): Update to use deps_add_dep.
6076 2001-01-10 Mark Mitchell <mark@codesourcery.com>
6078 * output.h (make_function_rtl): Remove prototype.
6079 (make_decl_rtl): Likewise.
6080 * varasm.c (make_function_rtl): Remove.
6081 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
6082 than from a third parameter.
6083 * tree.h (make_decl_rtl): Remove last parameter.
6084 * c-decl.c (builtin_function): Remove last argument in call to
6085 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
6086 (start_function): Likewise.
6087 * except.c (call_get_eh_context): Likewise.
6088 * expr.c (emit_block_move): Likewise.
6089 (clear_storage): Likewise.
6090 * profile.c (output_func_start_profiler): Likewise.
6091 * toplev.c (rest_of_decl_compilation): Likewise.
6092 * objc/objc-act.c (create_builtin_decl): Likewise.
6093 (synth_module_prologue): Likewise.
6094 (generate_static_reference): Likewise.
6095 (build_selector_reference_decl): Likewise.
6096 (build_class_reference_decl): Likewise.
6097 (build_objc_string_decl): Likewise.
6098 (build_protocol_reference): Likewise.
6100 2001-01-10 Richard Henderson <rth@redhat.com>
6102 * hwint.h: Revert yesterday's change.
6104 2001-01-10 Nick Clifton <nickc@redhat.com>
6106 * function.h (save_machine_status): Delete.
6107 (restore_machine_status): Delete.
6108 Amend comment describing {init|mark|free}_machine_status.
6110 * function.c (save_machine_status): Delete.
6111 (restore_machine_status): Delete.
6112 Amend comment describing {init|mark|free}_machine_status.
6113 (push_function_context_to): Remove invocation of
6114 save_machine_status.
6115 (pop_function_context_from): Remove invocation of
6116 restore_machine_status.
6118 * emit-rtl.c (init_emit_once): Amend comment describing
6119 {init|mark|free}_machine_status.
6121 * tm.texi (Per-Function Data): New node. Describe the
6122 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
6125 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
6127 * cppinit.c (OPT_g): Remove.
6128 (cpp_handle_option): Update for removed -g3.
6129 (print_help): Update.
6130 * cpplib.h (struct cpp_options): Remove debug_output.
6131 * cppmain.c (setup_callbacks, cb_define): Update.
6132 * gcc.c (cpp_options): Translate -g3 to -dD.
6134 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
6136 * config/i960/i960.md: Change modifier to + on the zero_extract
6137 pattern after the (rotate -2 reg) canonicalization pattern.
6139 2001-01-10 Richard Henderson <rth@redhat.com>
6141 * config/alpha/alpha.c (alpha_free_machine_status): New.
6142 (override_options): Install it.
6143 (alpha_mark_machine_status): Verify machine non-null.
6144 * config/i386/i386.c (ix86_free_machine_status): New.
6145 (override_options): Install it.
6146 (ix86_init_machine_status): Use xcalloc.
6147 (ix86_mark_machine_status): Verify machine non-null.
6148 * config/ia64/ia64.c (ia64_free_machine_status): New.
6149 (ia64_override_options): Install it.
6150 (ia64_mark_machine_status): Verify machine non-null.
6152 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
6154 * function.c (instantiate_virtual_regs): Instantiate virtual
6155 registers found in CALL_INSN_FUNCTION_USAGE.
6157 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
6159 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
6160 equivalent to -ansi in disabling -Di386.
6162 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
6164 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
6166 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
6168 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
6170 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
6172 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
6174 * invoke.texi: Document that -fcond-mismatch isn't supported for
6177 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
6179 * gcc.texi: Define macro gcctabopt.
6180 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
6181 @command, @env and @option in some places where appropriate. Use
6182 @gcctabopt where appropriate. Put URLs and email addresses inside
6185 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
6187 * gcc.c (cpp_options): Set MD file name from output
6188 filename, if specified.
6189 (suffix_subst): New static variable.
6190 (do_spec): Clear it.
6191 (do_spec_1, case '.'): Handle new `%.suffix' spec.
6193 (give_switch): Handle suffix_subst.
6195 2001-01-10 Phil Edwards <pme@sources.redhat.com>
6197 * invoke.texi: Fix another typo.
6199 2001-01-10 Phil Edwards <pme@sources.redhat.com>
6201 * invoke.texi: Fix typo.
6203 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
6205 * c-lang.c (lang_hooks): Update.
6206 (lang_decode_option): Remove.
6207 (lang_init_options): Rename c_init_options.
6208 * toplev.c (main): Use lang_hooks for lang_init_options
6209 and lang_decode_option.
6210 * toplev.h (lang_hooks): Add 2 new hooks.
6211 * tree.h: Remove lang_init_options and lang_decode_option.
6212 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
6213 * cp/decl2.c: Similarly.
6214 * cp/lex.c (lang_init_options): Rename cxx_init_options.
6215 (lang_hooks): Update.
6216 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
6218 (lang_init_options): Rename ffe_init_options.
6219 (lang_hooks): Update.
6220 (lang_decode_option): Remove.
6221 * java/lang.c (lang_init_options): Rename java_init_options.
6222 (lang_decode_option): Rename java_decode_option.
6223 (lang_hooks): Update.
6224 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
6225 (lang_decode_option): Rename objc_decode_option.
6226 (lang_hooks): Update.
6228 2001-01-09 Nick Clifton <nickc@redhat.com>
6230 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
6231 (d30v_return_addr_rtx): Delete.
6232 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
6233 cfun->machine structure.
6234 (struct machine_function): Move to d30v.h
6235 (d30v_save_machine_status): Delete.
6236 (d30v_restore_machine_status): Delete.
6237 (d30v_init_machine_status): New Function.
6238 (d30v_mark_machine_status): New Function.
6239 (d30v_free_machine_status): New Function.
6240 (d30v_init_expanders): Use new functions.
6241 (d30v_return_addr): Use ra_rtx field in cfun->machine.
6242 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
6243 d30v_return_addr_rtx.
6245 * config/d30v/d30v.h (struct_machine): Move here.
6246 Add eh_epilogue_sp_ofs field.
6248 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
6249 field in cfun->machine structure.
6251 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
6253 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
6254 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
6255 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
6257 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
6259 * objc/lang-options.h: Remove bogus reference to
6262 2001-01-09 Kazu Hirata <kazu@hxi.com>
6264 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
6267 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
6269 * reload.c (find_reloads_address): Check for eliminable registers
6270 when substituting a constant expression for a pseudo.
6272 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
6274 * c-common.c (enum format_type): Add format_type_error.
6275 (decode_format_type): New function.
6276 (decl_attributes): Use it.
6277 (format_kind_info): Adjust comment.
6279 2001-01-09 David O'Brien <obrien@BSDi.com>
6281 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
6282 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
6284 * config/i386/gnu.h: Don't include required platform specific .h files,
6285 tm.h will do it instead.
6286 * config/i386/i386elf.h: Likewise.
6287 * config/i386/linux.h: Likewise.
6288 * config/i386/moss.h: Likewise.
6289 * config/mips/gnu.h: Likewise.
6291 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6293 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
6294 (rs6000-ibm-aix3.[01]*): Likewise.
6295 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
6296 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
6297 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
6298 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
6299 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
6300 (powerpc-*-eabiaix*): Likewise.
6301 (powerpc-*-eabisim*): Likewise.
6302 (powerpc-*-elf*): Likewise.
6303 (powerpc-*-eabi*): Likewise.
6304 (powerpc-*-rtems*): Likewise.
6305 (powerpc-*-linux*libc1): Likewise.
6306 (powerpc-*-linux*): Likewise.
6307 (powerpc-wrs-vxworks*): Likewise.
6308 (powerpcle-wrs-vxworks*): Likewise.
6309 (powerpcle-*-sysv*): Likewise.
6310 (powerpcle-*-elf*): Likewise.
6311 (powerpcle-*-eabisim*): Likewise.
6312 (powerpcle-*-eabi*): Likewise.
6313 (powerpcle-*-solaris2*): Likewise.
6314 * config/rs6000/aix31.h: Delete includes.
6315 * config/rs6000/aix3newas.h: Likewise.
6316 * config/rs6000/aix41.h: Likewise.
6317 * config/rs6000/aix43.h: Likewise.
6318 * config/rs6000/beos.h: Likewise.
6319 * config/rs6000/rtems.h: Likewise.
6320 * config/rs6000/sysv4.h: Likewise.
6322 2001-01-09 Kazu Hirata <kazu@hxi.com>
6324 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
6325 Change an argument mode of machine_mode to shift_mode of
6326 shift_mode. Remove an extra error check.
6327 (emit_a_shift): Adopt to the new calling prototype of
6329 (function_prologue): Fix code for a monitor
6330 function. Support H8/S.
6331 (function_epilogue): Do not output pop for a monitor function.
6333 2001-01-09 Nick Clifton <nickc@redhat.com>
6335 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
6336 (setup_incoming_varargs): Use sysv_varargs_p field of the
6337 cfun->machine structure.
6338 (struct machine_function): Move to rs6000.h
6339 (rs6000_save_machine_status): Delete.
6340 (rs6000_restore_machine_status): Delete.
6341 (rs6000_init_machine_status): New Function.
6342 (rs6000_free_machine_status): New Function.
6343 (rs6000_init_expanders): Use new functions.
6345 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
6347 (struct machine_function): Move here.
6349 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
6350 sysv_varargs_p field of the cfun->machine structure.
6352 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
6354 (rs6000_restore_machine_status): Remove prototype.
6356 2001-01-09 Richard Henderson <rth@redhat.com>
6358 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
6359 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
6360 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
6361 (sched_analyze_2, sched_analyze_insn): Likewise.
6362 (sched_analyze, init_deps): Likewise.
6363 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
6364 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
6365 (compute_block_backward_dependences): Update propagate_deps call.
6367 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
6369 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
6371 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
6373 * cppinit.c (OPT_MD, OPT_MMD): Restore.
6374 (cpp_handle_option): Handle them.
6375 (cpp_post_options): Ensure one of -M or -MM is specified with
6376 any other -M? option.
6377 (init_dependency_output): Suppress output with -MG.
6379 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
6382 * invoke.texi: Update.
6384 2001-01-09 Bernd Schmidt <bernds@redhat.com>
6386 * sh.md (reload_outsf): Generate recognizable patterns for
6389 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
6391 * c-lang.c (lang_hooks): Update.
6392 (lang_init): Rename c_init.
6393 (lang_finish): Remove.
6394 * toplev.c (compile_file): Use lang_hooks for lang_init ()
6396 * toplev.h (lang_hooks): Add init () and finish ().
6397 * tree.h (lang_init, lang_finish): Remove.
6398 * cp/tree.h (lang_init, lang_finish): Remove.
6399 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
6400 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
6402 (lang_init, lang_finish): Remove.
6403 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
6404 (lang_hooks): Update.
6405 * java/lang.c (lang_init): Rename java_init.
6406 (lang_finish): Remove.
6407 (lang_hooks): Update.
6408 * objc/objc-act.c (lang_init): Rename objc_init.
6409 (lang_finish): Remove.
6410 (lang_hoooks): Update.
6412 20001-01-09 Graham Stott <grahams@redhat.com>
6414 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
6415 after `ptr` is initialised.
6417 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
6419 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
6420 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
6421 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
6422 stack adjusts, instead of r3.
6424 2001-01-09 Michael Hayes <mhayes@redhat.com>
6426 * flow.c (flow_loop_scan): Break out of ...
6427 (flow_loops_find) ... here.
6428 * basic-block.h (flow_loop_scan): New.
6429 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
6430 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
6432 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
6434 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
6436 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
6437 realloc()ing macro_buffer.
6439 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
6440 if it's wider than long and the target's long is wider than the
6443 2001-01-09 Mark Mitchell <mark@codesourcery.com>
6445 Remove support for using UWIN as a host machine.
6446 * configure.in: Issue an error message.
6447 * configure: Regenerated.
6448 * config.gcc: Remove xm_* UWIN configury.
6449 * config/i386/xm-uwin.h: Remove.
6451 2001-01-08 Nick Clifton <nickc@redhat.com>
6453 * config/v850/v850.c (ra_rtx): Delete.
6454 (v850_save_machine_status): Delete.
6455 (v850_restore_machine_status): Delete.
6456 (v850_init_machine_status): New function.
6457 (v850_mark_machine_status): New function.
6458 (v850_free_machine_status): New function.
6459 (v850_return_addr): Use ra_rtx field in machine structure.
6460 (v850_init_expanders): Use new functions.
6462 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
6463 * config/v850/v850.c: Change arguments to v850_output+* functions
6464 to take a const char *, to avoid compile time warning.
6465 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
6466 (USER_LABEL_PREFIX): Redefine.
6468 2000-01-08 Jim Wilson <wilson@redhat.com>
6470 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
6471 1 to unsigned HOST_WIDE_INT before left shift.
6473 2001-01-08 Nick Clifton <nickc@redhat.com>
6475 * config/arm/arm.c (arm_mark_machine_status): Check to see if
6476 the machine structure has been allocated.
6477 (arm_free_machine_status): New function: Free the machine
6478 specific function structure.
6480 2001-01-08 Richard Henderson <rth@redhat.com>
6482 * jump.c (simplejump_p): Revert last change.
6484 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
6486 * cppinit.c (init): Rename init_library.
6487 (cpp_create_reader): Update.
6488 * gcc.c (cpp_options): If -o given, use it as the target of
6491 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
6493 * arm.c (arm_arch5e): New variable.
6494 (all_cores): XScale is a 5TE device.
6495 (arm_override_options): Set arm_arch5e.
6496 (arm_init_builtins): __builtin_prefetch is in arch5e.
6497 * arm.h (arm_arch5e): Declare it.
6499 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
6501 * arm.md (define_constants): Add defines for UNSPEC and
6502 UNSPEC_VOLATILE insns. Update all users.
6503 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
6504 * arm.c (multi_register_push, note_invalid_constants)
6505 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
6506 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
6507 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
6509 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
6511 * jump.c (jump_optimize_1): Use reversed_comparison_code
6512 instead of can_reverse_comparison_p.
6513 (jump_back_p): Likewise.
6514 (invert_exp_1): Likewise.
6515 (thread_jumps): Likewise.
6516 * simplify-rtx.c (simplify_unary_operation): Likewise.
6517 (simplify_ternary_operation): Likewise.
6518 * cse.c (find_comparison_args): Convert to use
6519 can_reverse_comparison_p.
6520 (record_jump_equiv): Likewise.
6522 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
6524 * arm.h (HARD_REGNO_RENAME_OK): Delete.
6525 (EPILOGUE_USES): Define.
6526 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
6527 automatically stack the LR if it isn't live.
6529 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
6531 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
6534 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
6536 * ggc-page.c (max_alignment): New structure.
6537 (MAX_ALIGNMENT): New macro.
6538 (init_ggc): Use it to round up the sizes in the
6539 extra_order_size_table.
6541 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6543 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
6546 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6548 * builtins.def (BUILT_IN_FPRINTF): New entry.
6550 * c-common.c (c_expand_builtin_fprintf): New function.
6551 (init_function_format_info): Handle __builtin_fprintf.
6552 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
6553 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
6555 * c-decl.c (duplicate_decls): Adjust comment.
6557 * extend.texi (fprintf): Document new builtin.
6559 2001-01-07 Richard Henderson <rth@redhat.com>
6561 * jump.c (simplejump_p): Recognize any single_set jump
6564 2001-01-07 Richard Henderson <rth@redhat.com>
6566 * configure.in (slibdir): Accept an --with-slibdir option.
6567 Use "test" not "[" in configure. Default to $(libdir).
6569 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
6571 * config/t-aix43 (SHLIB_INSTALL): Likewise.
6572 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
6573 (SHLIB_LINK): Create links for the soname.
6574 * config/mips/t-iris6: Likewise.
6575 * config/sparc/t-slibgcc: Likewise.
6576 * config/sparc/t-slibgcc-sld: Likewise.
6578 2001-01-07 Jakub Jelinek <jakub@redhat.com>
6580 * config/i386/i386.c (constant_call_address_operand): Accept
6581 (const (plus (symbol_ref) (const_int))).
6582 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
6583 constant_call_address_operand.
6585 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6587 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
6588 and LONG_LONG_TYPE_SIZE > 32.
6590 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
6592 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
6593 the previous change.
6595 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
6597 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
6599 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
6600 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
6601 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
6604 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
6606 * fix-header.c (read_scan_file): s/pfile/scan_in/.
6608 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
6610 * c-lang.c (c_post_options): Call cpp_post_options.
6611 * objc/objc-act.c (objc_post_options): Similarly.
6612 * cppmain.c (main): Similarly.
6613 * fix-header.c (read_scan_file): Similarly.
6614 * cppinit.c (cpp_start_read): Move option consistency checks
6615 to cpp_post_options. Don't call init_dependency_output.
6616 If needed, add default target and main file dependency.
6617 (OPT_MD, OPT_MMD): Remove.
6619 (cpp_handle_option): Update for OPT_* changes.
6620 (cpp_post_options): New.
6621 (init_dependency_output): Command line -MF overrides environment
6622 variables. Don't set default target etc. Suppress output
6623 if dependencies are going to stdout.
6624 (print_help): Update.
6625 * cpplib.h (cpp_post_options): New.
6626 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
6628 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
6630 * jump.c (comparison_dominates_p): Support unordered compares.
6632 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
6634 * simplify-rtx.c (simplify_relational_operation): Always simplify
6635 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
6638 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
6640 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
6641 (nonzero_bits): Likewise.
6642 (simplify_comparison): Likewise.
6643 (num_sign_bit_copies): Likewise; return more sane value depending
6644 on STORE_FLAG_VALUE.
6645 (known_cond): Do not assume EQ to be always true for equivalent
6648 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
6650 * cse.c (fold_rtx): Handle unordered comparisons.
6652 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
6654 * rtlanal.c (set_of_1): New static function.
6655 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
6656 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
6657 reg_set_last_last_regno): Remove.
6658 (set_of): New global function.
6659 (set_of_data): New structure.
6660 (reg_set_p, reg_set_last): Revamp for set_of.
6661 * rtl.h (set_of): New.
6663 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
6665 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
6666 * extend.texi: Document _Exit builtin.
6668 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
6670 * (initialize, initialize_builtins,
6671 initialize_dependency_output, initialize_standard_includes):
6672 Rename s/initialize/init. Update.
6673 (init_dependency_output): Move to after
6674 cpp_handle_options, the correct location temporally at least.
6675 (opt_comp): Move next to init (), its caller. Fix prototype.
6676 (init): Make "initialized" local scope.
6677 (cpp_create_reader): Always call init ().
6678 (cpp_start_read): Update.
6679 (output_deps): New function, broken out of cpp_finish.
6680 (cpp_finish): Break out output_deps.
6682 2001-01-07 Richard Henderson <rth@redhat.com>
6684 * collect2.c (COFF specific stuff): Revert 12-06 patch
6685 to prototype system functions.
6687 2001-01-07 Michael Hayes <mhayes@redhat.com>
6689 * hard-reg-set.h: Add multiple include guard.
6690 * basic-block.h (struct loop): Add `sink' field.
6691 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
6692 (emit_iv_add_mult): Delete.
6693 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
6694 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
6695 (unroll_loop): Remove end_insert_before argument.
6696 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
6697 (maybe_eliminate_biv_1): Likewise.
6698 (emit_iv_add_mult): Delete.
6699 (gen_add_mult, loop_regs_update): New.
6700 (loop_insn_emit_after, loop_insn_emit_before): New.
6701 (loop_insn_sink, loop_insn_sink_or_swim): New.
6702 (emit_iv_add_mult): Delete.
6703 (scan_loop): Set loop->sink.
6704 (loop_givs_reduce): Use loop_insn_sink and its ilk.
6705 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
6706 (maybe_eliminate_biv_1): Likewise.
6707 (maybe_eliminate_biv_1): Add basic block argument.
6708 * unroll.c (unroll_loop): Remove end_insert_before argument.
6709 (find_splittable_regs): Likewise.
6710 (find_splittable_regs): Use loop_insn_sink and its ilk.
6711 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
6713 2001-01-07 Michael Hayes <mhayes@redhat.com>
6715 * loop.h (loop_insn_hoist): New prototype.
6716 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
6717 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
6718 (check_dbra_loop, load_mems): Likewise.
6719 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
6720 (find_splittable_givs): Likewise.
6722 2001-01-07 Michael Hayes <mhayes@redhat.com>
6724 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
6726 2001-01-07 Richard Henderson <rth@redhat.com>
6728 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
6730 2001-01-07 Richard Henderson <rth@redhat.com>
6732 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
6733 NO_SHARED_LIBGCC_MULTILIB as required for the target.
6734 * gcc.c (init_spec): Massage the existing libgcc_spec into a
6735 variant that handles a shared libgcc.
6736 (process_command): Always validate -{static,shared}-libgcc.
6737 (do_spec_1): New 'M' case.
6738 * invoke.text (Link Options): Document -{static,shared}-libgcc.
6740 2001-01-07 Richard Henderson <rth@redhat.com>
6742 * Makefile.in (slibdir): New variable.
6743 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
6744 (installdirs): Create slibdir.
6745 (install-libgcc, install-multilib): Defer to libgcc.mk.
6746 * configure.in (slibdir): Substitute.
6747 * mklibgcc.in (install): New target.
6749 * config/t-linux (SHLIB_LINK): Create links for the soname.
6750 (SHLIB_INSTALL): New.
6751 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
6752 * config/mips/t-iris6 (SHLIB_INSTALL): New.
6753 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
6754 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
6755 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
6757 2001-01-07 Richard Henderson <rth@redhat.com>
6759 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
6760 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
6761 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
6763 2001-01-07 Michael Hayes <mhayes@redhat.com>
6765 * loop.c (count_loop_regs_set): Delete.
6766 (load_mems_and_recount_loop_regs_set): Delete.
6767 (loop_regs_scan): Merge common code from count_loop_regs_set,
6768 scan_loop, and load_mems_and_recount_loop_regs_set.
6769 (scan_loop): Call load_mems directly and loop_regs_scan
6770 again if new registers created.
6772 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
6774 * toplev.c (main): Call the front-end specific post_options
6775 hook if one is given.
6776 * toplev.h (struct_lang_hooks, lang_hooks): New.
6777 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
6778 for the C front end.
6779 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
6780 lang_hooks for the C++ front end.
6781 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
6782 lang_hooks for the ObjC front end.
6783 * f/com.c (lang_hooks): Hooks for the Fortran front end.
6784 * java/lang.c (lang_hooks): Hooks for the Java front end.
6786 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
6788 * c-lex.c (init_c_lex): Request #define / #undef callbacks
6789 for verbose DWARF[2] debugging.
6790 (cb_define, cb_undef): The new callbacks.
6791 * toplev.h (debug_define, debug_undef): Make const correct.
6792 * toplev.c (debug_define, debug_undef): Similarly. Do not
6793 perform the verbosity tests here anymore.
6795 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
6797 * reload.c (subst_reloads): Take INSN argument. When
6798 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
6799 * reload.h (subst_reloads): Adjust prototype.
6800 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
6801 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
6802 present in JUMP_INSNs and copy them to JUMP_LABEL.
6803 * flow.c (find_label_refs, find_basic_blocks_1): Skip
6804 JUMP_INSNs and insns with REG_LABELs that are followed by
6805 JUMP_INSNs with the same REG_LABEL.
6806 * sched-rgn.c (is_cfg_nonregular): Likewise.
6807 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
6809 * unroll.c (unroll_loop): Look for REG_LABEL notes in
6811 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
6813 2001-01-06 Richard Henderson <rth@redhat.com>
6815 * loop.c (scan_loop): Use xcalloc for the regs array.
6816 (load_mems_and_recount_loop_regs_set): Zero the new memory
6817 received from xrealloc.
6819 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
6821 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
6823 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
6825 * integrate.c (copy_rtx_and_substitute): When copying
6826 an ignored return value, strip REG_FUNCTION_VALUE_P.
6828 2001-01-06 Michael Hayes <mhayes@redhat.com>
6830 * loop.c (debug_biv, debug_giv): New.
6831 (loop_biv_dump): Break out from ...
6832 (record_biv): ... here.
6833 (loop_giv_dump): Break out from ...
6834 (record_giv): ... here.
6835 (loop_bivs_check): Use print_simple_rtl.
6836 * unroll.c (loop_iterations): Use print_simple_rtl.
6838 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
6840 * pa.md (return, return_internal): Modify patterns to prevent regrename
6841 mucking with the return pointer.
6843 2001-01-05 Richard Henderson <rth@redhat.com>
6845 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
6847 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
6849 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
6850 version supplied by Matteo Frigo.
6852 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
6854 * cpp.texi: Update for -MQ.
6855 * cppinit.c (cpp_create_reader): Always create pfile->deps.
6856 (cpp_cleanup): Always free pfile->deps.
6857 (initialize_dependency_output): Don't create pfile->deps.
6858 (cpp_handle_option): Similarly.
6860 * gcc.c (cpp_options): Handle -MQ.
6861 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
6862 * mkdeps.c (base_name): Remove.
6863 (deps_init): Don't allocate vector space until it's needed.
6864 (deps_free): Only free vectors if allocated.
6865 (deps_add_target, deps_add_dep): Update for initial allocation.
6866 (deps_add_default_target): Don't strip to the base_name.
6868 2001-01-05 DJ Delorie <dj@redhat.com>
6870 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
6871 (INIT_EXPANDERS): Define.
6873 * config/v850/v850.c (struct machine_function): Define.
6874 (v850_save_machine_status): New function.
6875 (v850_restore_machine_status): New function.
6876 (v850_return_addr): New function.
6877 (v850_init_expanders): New function.
6879 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
6880 and v850_init_expanders.
6882 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
6884 * cpplib.h (struct cpp_reader): Add help_only field.
6885 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
6886 (cpp_handle_option): Set pfile->help_only if we see -h,
6887 --help, -target-help, or --version. Print version string but
6888 do not set help_only if we see -v or -version. Make text
6889 printed by -v match that printed by (-)-version.
6891 * cppmain.c (main): Exit after option parsing if
6892 pfile->help_only is true.
6894 * toplev.c (independent_decode_option): Call print_version,
6895 then exit, if we see --version (but not -version).
6896 (print_version): Split lengthy message into two lines.
6898 2001-01-05 Nick Clifton <nickc@redhat.com>
6900 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
6901 temporary string for initialisation before calling ggc_alloc_string.
6903 2001-01-06 Michael Hayes <mhayes@redhat.com>
6905 * rtl.h (print_simple_rtl): New.
6906 * print-rtl.c (print_simple_rtl): New.
6908 (print_rtx): Disable printing of flags and modes, etc.,
6909 if `flag_simple` nonzero.
6911 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
6913 * function.c (fixup_var_refs): Use push_to_full_sequence where
6916 2001-01-05 Michael Meissner <meissner@redhat.com>
6918 * flags.h (flag_reorder_blocks): Add declaration.
6919 (flag_rename_block): Ditto.
6921 2001-01-05 DJ Delorie <dj@redhat.com>
6923 * function.c (reorder_blocks): Make sure the flags are all reset
6924 before using them to mark blocks, else a second invocation will
6925 corrupt the block chain.
6926 (reorder_blocks_0): New, resets the flags.
6928 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
6930 * cse.c (find_comparison_args): Stop if the argument is known to
6933 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
6935 * config/sh/sh.md (movdf): When splitting load into pair of
6936 registers, don't clobber the register used in the address too
6939 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
6941 * varasm.c (mark_constant_pool): Improve initial comments.
6942 (mark_constants): Move marking of constants to mark_constant.
6943 (mark_constant): New function to recursively mark all constants
6944 referred to by a constant.
6946 2001-01-05 Catherine Moore <clm@redhat.com>
6948 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
6950 2001-01-05 Phil Edwards <pme@sources.redhat.com>
6952 * cp/lang-options.h: Bring comment in line with reality.
6953 * f/lang-options.h: Likewise.
6954 * java/lang-options.h: Likewise.
6955 * objc/lang-options.h: Likewise.
6956 * ch/lang-options.h: Likewise.
6957 * f/g77.texi: And update the manual.
6959 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
6960 Denis Chertykov <denisc@overta.ru>
6962 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
6963 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
6964 * config/avr/avr.md (all peepholes that request a scratch register):
6965 Call it, FAIL the peephole if not safe (in interrupt functions).
6967 2001-01-05 Mark Mitchell <mark@codesourcery.com>
6969 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
6971 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
6973 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
6975 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
6976 BUILT_IN_CREAL and BUILT_IN_CIMAG.
6977 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
6978 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
6979 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
6981 * extend.texi: Document these builtins.
6983 2001-01-05 Daniel Berlin <dberlin@redhat.com>
6985 * c-common.c (lang_get_alias_set): Say we know nothing of
6986 VECTOR_TYPE aliasing.
6988 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
6990 2001-01-05 Bruce Korb <bkorb@gnu.org>
6992 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
6993 their x* equivalent versions for atexit-less systems
6994 * fixinc/fixincl.c(main): do not return from main() on atexit-less
6995 systems (or any other system any more).
6997 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
6999 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
7000 output operands. Use arm_hard_register_operand for operand 4.
7001 (stmsi_postinc): Similarly.
7002 (ldmsi): Use arm_hard_register_operand for opernand 2.
7004 * arm.c (arm_hard_register_operand): New function.
7005 * arm-protos.h (arm_hard_register_operand): Prototype it.
7007 * arm.h (HARD_REGNO_RENAME_OK): Define.
7009 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
7011 * simplify-rtx.c (cfc_args): add "unordered" field.
7012 (check_fold_consts): Set unordered field.
7013 (simplify_relational_operation): Simplify the unordered
7016 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
7019 * emit-rtl.c (try_split): Fix code to mark labels.
7020 * jump.c (mark_jump_label): Make global.
7021 * rtl.h (mark_jump_label): Declare.
7023 * predict.c (estimate_probability): Handle unordred comparisons.
7025 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
7027 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
7028 * cppinit.c (initialize_dependency_output): Update.
7029 (cpp_finish): Output dummy targets for -MP.
7031 (cpp_handle_option): Handle -MP. Don't quote -MT options.
7032 * cpplib.h (struct cpp_options): Add deps_phony_targets.
7033 * gcc.c (cpp_options): Update to handle -MP.
7034 * mkdeps.c (deps_add_target, deps_add_default_target): Update
7035 to quote only the default target.
7036 (deps_phony_targets): Insert a preceding newline. Rename from
7037 deps_dummy_targets for consistency.
7040 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
7042 * calls.c (emit_library_call_value_1): Support
7043 INIT_CUMULATIVE_LIBCALL_ARGS.
7044 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
7046 2001-01-04 Richard Henderson <rth@redhat.com>
7048 * c-decl.c (finish_struct): Detect flexible array members
7049 used in an inappropriate context.
7050 * c-typeck.c (really_start_incremental_init): Special case
7051 constructor_max_index for zero length arrays.
7052 (pop_init_level): Allow initialization of flexible array
7053 members. Deprecate initialization of zero length arrays.
7054 Don't issue missing initializer warning for flexible array
7055 members or zero length arrays.
7056 (process_init_element): Don't dereference null DECL_SIZE.
7057 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
7058 Don't abort for empty constructors. Use size_binop
7059 (output_constructor): Add commentary regarding zero length
7060 array futures. Abort if we try to initialize an array of
7061 unspecified length with a non-empty constructor in the middle
7064 * extend.texi (Zero Length): Update and clarify documentation
7065 on static initialization.
7067 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7069 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
7070 with more than 32767 words of local storage.
7072 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7074 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
7075 for 'abs', 'labs', and 'fabs'.
7076 (c4x_expand_builtin): Likewise.
7077 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
7079 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
7081 * config/sh/sh.md (prget, prset): New insn types.
7082 (return delay slot): Dont' allow prset.
7083 (call, sfunc delay slot): Don't allow prget.
7084 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
7085 for prset and prget.
7087 2001-01-05 Michael Hayes <mhayes@redhat.com>
7089 * loop.h (struct loop_reg): New.
7090 (struct loop_regs): Change to use array of `struct loop_reg'.
7091 * loop.c: Replace assortment of varrays with single regs array.
7092 (count_one_set): Delete may_not_move array argument
7093 and use regs array instead. All caller's changed.
7094 (count_loop_regs_set): Delete may_not_move and single_usage
7095 arguments and use regs array instead. All caller's changed.
7096 (find_single_use_in_loop): Replace usage array argument with pointer
7097 to regs structure. All caller's changed.
7098 (loop_optimize): Delete `moved_once' array.
7100 2001-01-05 Michael Hayes <mhayes@redhat.com>
7102 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
7103 Use it instead of loop_info->has_call for scanning loop mems.
7104 (check_dbra_loop): Replace loop_info->has_call test with
7105 loop_info->has_nonconst_call.
7107 2000-01-04 Matthew Hiller <hiller@redhat.com>
7109 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
7112 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
7114 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
7115 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
7117 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
7119 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
7120 (flag_short_double, flag_short_wchar): Define.
7121 (c_common_nodes_and_builtins): Create many tree nodes shared
7122 between C and C++ here instead of in cp/decl.c and ...
7123 * c-decl.c (init_decl_processing): ... here.
7124 (SIZE_TYPE, WCHAR_TYPE): Don't define.
7125 (flag_short_double, flag_short_wchar): Don't define.
7126 (record_builtin_type): New function.
7127 (build_void_list_node): New function.
7128 * c-common.h (flag_short_double, flag_short_wchar,
7129 record_builtin_type, build_void_list_node): Declare.
7131 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
7133 * integrate.c (expand_inline_function): Don't put a virtual
7134 register into the reg map.
7136 * function.c (fixup_var_refs_1): If force_operand didn't put
7137 the address into the target, move it there.
7139 2001-01-04 Mark Mitchell <mark@codesourcery.com>
7141 Special-case tree_decl/tree_list allocations.
7142 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
7143 (OBJECT_SIZE): New macro.
7144 (NUM_EXTRA_ORDER): Likewise.
7145 (extra_order_size_table): New variable.
7146 (NUM_ORDERS): New macro.
7147 (objects_per_page_table): New variable.
7148 (object_size_table): New variable.
7149 (G.pages): Use NUM_ORDERS to bound the array.
7150 (G.page_tails): Likewise.
7151 (DIV_ROUND_UP): Remove.
7152 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
7153 (alloc_page): Use OBJECT_SIZE.
7154 (size_lookup): Don't make it const.
7155 (ggc_alloc): Use OBJECT_SIZE.
7156 (ggc_set_mark): Likewise.
7157 (ggc_get_size): Likewise.
7158 (init_ggc): Set up the object_size_table, objects_per_page_table,
7159 and adjust size_lookup.
7160 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
7161 (ggc_pop_context): Use NUM_ORDERS.
7162 (clear_marks): Likewise.
7163 (sweep_pages): Likewise.
7164 (poison_pages): Likewise.
7165 (ggc_print_statistics): Use OBJECT_SIZE.
7167 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7169 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
7170 Only call array_size_for_constructor if last field and array type
7171 with no upper bound.
7173 2001-01-04 Philip Blundell <philb@gnu.org>
7175 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
7176 from bit 31 downwards, if this requires no more insns.
7177 (count_insns_for_constant): New helper function for above.
7179 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
7181 * gencodes.c (output_predicate_decls): Remove empty initializer.
7183 2001-01-04 Mark Mitchell <mark@codesourcery.com>
7185 * tree.c (copy_node): Remove documentation about obstacks.
7186 (buidl1): Check that nobody tries to build 2-argument nodes this
7189 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7191 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
7194 * gencodes.c (output_predicate_decls): Fill empty initializer
7197 2001-01-04 Jakub Jelinek <jakub@redhat.com>
7199 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
7200 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
7202 (do_include): Handle missing headers like cpp0.
7203 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
7204 paths with first include pathname. Don't strcat to uninitialized
7207 2001-01-04 Bernd Schmidt <bernds@redhat.com>
7209 * regrename.c (regrename_optimize): Don't rename from frame pointer
7210 if frame_pointer_needed.
7211 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
7212 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
7213 (ia64_reorg): Use it instead of scheduling if ! optimize.
7214 (errata_emit_nops): Properly call asm_noperands.
7215 (ia64_sched_reorder): Finish cycle if we see an asm.
7216 (ia64_variable_issue): Clear scheduling state after asms.
7218 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
7220 * cpp.texi: Update for -MT.
7221 * cppinit.c (initialize_dependency_output): Add a default
7222 target if none has been given already.
7223 (no_tgt, OPT_MT): New.
7224 (cpp_handle_option): Handle -MT. Update -M etc.
7225 * cpplib.h (struct cpp_options): Remove deps_target.
7226 * gcc.c (cpp_options): Handle -MT.
7227 * mkdeps.c (struct deps): Move from mkdeps.h.
7228 (deps_calc_target): Rename deps_add_default_target. Add a
7229 default target if none has been specified already.
7230 * mkdeps.h (struct deps): Move to mkdeps.c.
7231 (deps_calc_target): Rename deps_add_default_target.
7233 2000-01-03 Richard Henderson <rth@redhat.com>
7235 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
7237 * c-typeck.c (push_init_level): Move checks for flexible array
7238 members and zero length arrays ...
7239 (pop_init_level): ... here. Silently discard empty initializations.
7241 * varasm.c (output_constructor): Update for sizeof change to
7244 * extend.texi (Zero Length): Clarify semantics.
7246 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
7248 * configure.in (tm.h): Include isns-codes.h last.
7249 * configure: Rebuilt.
7251 2001-01-03 Richard Henderson <rth@redhat.com>
7253 * config/alpha/alpha.md (addvsi3, addvdi3): New.
7254 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
7256 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7258 * tradcpp.c (main): Make sure finclude() is called with a valid
7259 indepth value while handling -include.
7261 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
7263 * gencodes.c (output_predicate_decls): New function.
7265 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
7266 even if it is not the first time machmode.h is #included.
7267 * config/sh/sh.c (fpul_operand): Declare MODE argument.
7268 * tm.texi (PREDICATE_CODES): Document predicate declarations.
7269 * gcc.texi (Copyright): Added 2001.
7271 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
7273 * c-common.c (c_common_lang_init): New function. Warn if format
7274 warning options which only have effects when used with -Wformat
7275 are used without -Wformat.
7276 * c-common.h (c_common_lang_init): Declare.
7277 * c-lang.c (lang_init): Call c_common_lang_init.
7278 * objc/objc-act.c (lang_init): Call c_common_lang_init.
7280 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
7282 * configure.in: Check for the mktemp command.
7283 * configure: Regenerate.
7284 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
7285 $TEMP. Create temporary files with mktemp, if available at
7286 configure time; otherwise use set -C. Remove temporary files
7289 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
7291 * configure.in: Require at least texinfo 4.0. Check for whether
7292 Pod::Man is sufficiently recent to regenerate GCC manpages.
7293 * configure: Regenerate.
7294 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
7296 (GENERATED_MANPAGES): Define.
7297 (generated-manpages): New target. Depend on cpp.1 as well as
7299 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
7300 configure to generated-manpages or empty) rather than on the
7301 manpages directly. Remove execute permission from installed
7302 gcov.1 as well as cpp.1.
7303 * cpp.1, gcov.1: Regenerate.
7305 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7307 * builtins.c (expand_builtin_strncmp): Use host_integerp and
7308 tree_low_cst. Allow using cmpstrsi in more cases.
7310 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7312 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
7315 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
7317 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
7318 * Makefile.in (HOST_CFLAGS): Mention build-make.
7320 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7322 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
7325 2001-01-01 Bernd Schmidt <bernds@redhat.com>
7327 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
7330 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
7333 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
7334 reg_base_value and reg_known_value arrays.
7335 (init_alias_analysis): Add more cases to detect known values.
7336 * sched-deps.c (deps_may_trap_p): New function.
7337 (sched_analyze_2): Use it.
7339 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
7341 * combine.c (simplify_shift_const): Even if we're sign-extracting,
7342 don't discard an ASHIFTRT if we're shifting in a wider mode.
7344 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
7346 * toplev.c (rest_of_compilation): Don't print basic block information
7347 when CFG isn't up to date.
7349 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
7351 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
7352 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
7353 (UNALIGNED_SHORT_ASM_OP): Define.
7354 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
7356 2001-01-02 Mark Mitchell <mark@codesourcery.com>
7358 * fold-const.c (fold_convert): Fix typo.
7360 2001-01-02 Richard Henderson <rth@redhat.com>
7362 * c-common.h (ASM_INPUT_P): New.
7363 * c-parse.in (asm): Set it when needed.
7364 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
7365 existance of an operand.
7367 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
7369 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
7370 (dwarf2out_frame_debug_expr): Likewise.
7371 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
7373 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
7375 * i386.c (ix86_split_to_parts): Return number of part required;
7377 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
7379 (ix86_split_long_move): Use number of part returned
7380 by ix86_split_to_parts
7381 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
7383 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
7384 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
7385 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
7386 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
7387 (ALIGN_MODE_128): Add TFmode.
7388 (IS_STACK_MODE): Likewise.
7389 (HARD_REGNO_NREGS): TFmode needs 3 registers.
7390 (HARD_REGNO_OK): Support TFmodes.
7391 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
7392 * i386.md (scheduler definitions): Use memory operand to determine
7393 fst/fld instructions; use mode attribute to determine real mode of
7395 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
7396 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
7398 2001-01-02 Mark Mitchell <mark@codesourcery.com>
7400 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
7402 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
7404 * expr.c (store_constructor_field): Update ALIGN before calling
7407 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
7409 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
7412 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
7414 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
7417 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
7419 * c-decl.c (start_function): Don't warn on third parameter to main.
7421 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7423 * tsystem.h: Define HAVE_DECL_GETOPT.
7425 2001-01-02 Philip Blundell <pb@futuretv.com>
7427 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
7430 2001-01-02 Richard Henderson <rth@redhat.com>
7432 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
7434 2001-01-02 Andreas Jaeger <aj@suse.de>
7436 * c-decl.c (c_decode_option): Remove support of
7439 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
7440 (W_options): Add -Wmissing-noreturn here.
7442 * flow.c: Define lang_missing_noreturn_ok_p.
7443 (check_function_return_warnings): Use it.
7445 * c-common.h: Declare lang_missing_noreturn_ok_p.
7447 * c-lang.c (c_missing_noreturn_ok_p): New function.
7448 (lang_init): Set lang_missing_noreturn_ok_p.
7450 * invoke.texi (Warning Options): Document this.
7452 2000-12-27 Phil Edwards <pme@sources.redhat.com>
7454 * extend.texi (C++ Extensions): New node for C++ attributes;
7455 describe init_priority and com_interface.
7456 * invoke.texi: Remove -finit-priority as it now has zero effect.
7457 * install.texi: Fix xref syntax.
7458 * md.texi: Likewise.
7460 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7462 * config.gcc (sparc64-wrs-vxworks*): New case.
7463 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
7465 * config/sparc/sparc.c (sparc_override_options): Do support different
7466 pointer and architecture size.
7467 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
7468 (POINTERS_EXTEND_UNSIGNED): Define.
7469 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
7470 (FUNCTION_MODE): Define to be Pmode.
7471 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
7473 * function.c (expand_function_end): Properly handle DECL_RESULT
7474 and copy when ptr_mode != Pmode.
7475 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
7477 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7479 * c-common.c (c_common_nodes_and_builtins): Set prototype
7480 parameters for __builtin_fputs, __builtin_fputc and
7481 __builtin_fwrite. Don't declare plain fputc as a builtin.
7483 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
7485 * loop.c (add_label_notes): Increment the label usage count when
7486 a note is added to an insn which refers to a CODE_LABEL.
7487 * gcse.c (add_label_notes): Likewise.
7489 2001-01-01 Andreas Jaeger <aj@suse.de>
7491 * loop.c (scan_loop): Use xmalloc to allocate movables.
7493 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
7495 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
7496 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
7497 * reload1.c (REGISTER_MOVE_COST): Likewise.
7498 * regclass.c (REGISTER_MOVE_COST): Likewise.
7499 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
7500 dimension. Adjust all users.
7501 (init_reg_sets_1): Iterate on all modes.
7502 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
7503 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
7504 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
7505 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
7506 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
7507 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
7508 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
7509 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
7510 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
7511 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
7512 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
7513 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
7514 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
7515 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
7516 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
7517 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
7518 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
7519 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
7520 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
7521 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
7522 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
7523 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
7524 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
7525 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
7526 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
7527 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
7528 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
7530 2001-01-01 Bernd Schmidt <bernds@redhat.com>
7532 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
7533 arg VARIES_P. Call it with extra arg.
7534 (true_dependence): Likewise.
7535 * rtl.h (rtx_addr_can_trap_p): Declare.
7536 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
7538 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
7539 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
7540 pic offset table register if it's zero. All callers changed.
7541 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
7543 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7545 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
7546 STRING_POOL_ADDRESS_P.
7548 * config/sparc/sparc.c (input_operand): Properly test for short op.
7550 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
7551 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
7552 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
7553 * config/sparc/elf.h: No longer include sol2.h.
7554 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
7555 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
7557 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
7559 2001-01-01 Michael Hayes <mhayes@redhat.com>
7561 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
7562 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
7563 (record_initial): Likewise.
7564 * unroll.c (copy_loop_body, loop_iterations): Likewise.
7565 (remap_split_bivs): Likewise.
7567 2001-01-01 Michael Hayes <mhayes@redhat.com>
7569 * loop.c (loop_ivs_free): New function.
7570 (strength_reduce): Break out from...
7572 2001-01-01 Michael Hayes <mhayes@redhat.com>
7574 * loop.h (struct iv): New.
7575 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
7576 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
7577 'reg_biv_class' fields with 'regs' and 'n_regs'.
7578 (struct ivs): Rename 'loop_iv_list' field to 'list'.
7579 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
7580 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
7582 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
7584 * resource.c (mark_referenced_resources): Abort() before
7585 attempting to mark a pseudo register.
7586 (mark_set_resources): Likewise.
7588 2001-01-01 Michael Hayes <mhayes@redhat.com>
7590 * loop.h (REG_IV_CLASS): New accessor macro.
7591 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
7592 * unroll.c (REG_IV_CLASS): Likewise.
7594 See ChangeLog.4 for earlier changes.