1 2001-04-02 Geoffrey Keating <geoffk@redhat.com>
3 * configure.in (gcc_cv_as_leb128): Correct name of cache variable.
4 Require at least 2.11 in the version test. Specifically check
5 for and reject GAS version 2.10.90.
6 * configure: regenerate.
8 2001-04-03 Alan Modra <alan@linuxcare.com.au>
10 * config/pa/pa.c (override_options): Remove PIC profiling warning.
11 (hp_profile_labelno): Delete.
12 (hp_profile_label_rtx): Delete.
13 (hp_profile_label_name): Delete.
14 (pa_add_gc_roots): Remove reference to hp_profile_label_rtx.
15 (output_function_prologue): Remove profiling code and all tests on
16 profile_flag. Move store of PIC_OFFSET_TABLE_REGNUM now that
17 merge_sp_adjust_with_store can work for PIC and profiling.
18 (hppa_expand_epilogue): Remove profile_flag test.
19 (hppa_can_use_return_insn_p): Likewise.
20 (hppa_init_pic_save): Emit before tail_recursion_reentry, and
21 cater for PROFILE_HOOK.
22 (hppa_profile_hook): New function.
23 * config/pa/pa.h (FUNCTION_PROFILER): Now does nothing.
24 (PROFILE_HOOK): Define.
25 (hppa_profile_hook): Declare.
26 (PROFILE_BEFORE_PROLOGUE): Delete.
27 (ASM_OUTPUT_REG_PUSH): Delete.
28 (ASM_OUTPUT_REG_POP): Delete.
29 * config/pa/pa.md (call_profiler): Turn it into a call insn, and
30 don't `use' r24. Accept function name operand, and use this and a
31 locally generated label to calculate pc-rel offset to func start.
33 2001-04-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
35 * $(HOST_PREFIX_1)errors.o, $(HOST_PREFIX_1)ggc-none.o,
36 ggc-common.o, ggc-simple.o, ggc-page.o, ggc-none.o: Depend on
39 2001-04-03 Alan Modra <alan@linuxcare.com.au>
41 * dwarf2out.c (dwarf2out_frame_debug_expr): Move errant HIGH and
42 LO_SUM cases to where they belong.
44 2001-04-02 Richard Henderson <rth@redhat.com>
46 * except.h (lang_eh_type_covers): Mark extern.
47 (lang_eh_runtime_type): Likewise.
49 2001-04-02 Jakub Jelinek <jakub@redhat.com>
51 * lex.c (ffelex_hash_): Avoid eating one whole line after
54 2001-04-02 Zack Weinberg <zackw@stanford.edu>
56 * genattr.c, gencheck.c, gencodes.c, genconfig.c, genflags.c,
57 gengenrtl.c: Wrap generated header in multiple-include guard.
58 Improve error checking.
60 2001-04-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
62 * configure.in: Don't check for putenv.
63 * configure: Regenerate.
64 * gcc.c (putenv): Don't define.
65 * vax/xm-vms.h: Handle putenv.
67 2001-04-02 Jakub Jelinek <jakub@redhat.com>
69 * ifcvt.c (noce_emit_move_insn): New.
70 (noce_try_store_flag, noce_try_store_flag_constants,
71 noce_try_store_flag_inc, noce_try_store_flag_mask,
72 noce_try_cmove, noce_try_cmove_arith, noce_try_minmax,
73 noce_try_abs): Use it.
74 (noce_process_if_block): Likewise.
75 For STRICT_LOW_PART, take mode from its SUBREG.
77 2001-04-02 Jakub Jelinek <jakub@redhat.com>
79 * fold-const.c (fold): Before optimizing unsigned comparison with
80 0x7fffffffU, make sure arg0 is integral type.
82 2001-04-02 Joseph S. Myers <jsm28@cam.ac.uk>
84 * c-tree.texi: Document representation of wide strings.
86 2001-04-01 Richard Henderson <rth@redhat.com>
88 * except.h (expand_builtin_dwarf_fp_regnum): Declare.
90 Sun Apr 1 11:49:05 CEST 2001 Jan Hubicka <jH@suse.cz>
92 * i386.md: remove obsoleted comments.
93 (adddi_?): Rename to adddi_?_rex64; disable for 32bit.
94 (x86_movsicc_0_m1_rex64): Rename to x86_movdicc_0_m1_rex64;
97 2001-03-31 Marek Michalkiewicz <marekm@linux.org.pl>
99 * config/avr/libgcc.S (__mulhi3): Optimize previous change.
101 2001-03-30 Bernd Schmidt <bernds@redhat.com>
103 * loop.c (load_mems): When generating a load from a pseudo, update
106 Fri Mar 30 17:36:43 CEST 2001 Jan Hubicka <jh@suse.cz>
108 * i386.c (ix86_split_long_move): Use change address to compensate
109 stack pointer change in push instruction.
111 Fri Mar 30 00:31:00 CEST 2001 Jan Hubicka <jh@suse.cz>
113 * i386.md (sse_movdfcc_eq): Fix constraint (sse_mov?fcc splitter): Use operands_match_p
114 instead of rtx_equal_p; fix the output template.
116 Fri Mar 30 00:21:41 CEST 2001 Jan Hubicka <jh@suse.cz>
118 * i386.c (ix86_expand_setcc): Support 64bit.
119 (ix86_expand_int_movcc): Likewise.
120 * i386.md (movdicc_rex64, x86_movsicc_0_m1_rex64, movdicc_c_rex64):
123 * i386.md (allocate_stack_worker): Turn to expander.
124 (allocate_stack_worker_1, allocate_stack_worker_rex64): New insns.
126 * i386.c (print_reg): Do not print x86_64 style regs on IA-32
128 2001-03-29 Richard Henderson <rth@redhat.com>
130 * libgcc2.c [L__main]: Include unwind-dw2-fde.h instead of frame.h.
132 2001-03-28 Matthew Hiller <hiller@redhat.com>
134 * config/mn10300/mn10300.md (cmpsi): Fix first alternative's
137 * MAINTAINERS: Added self.
139 2001-03-28 Richard Henderson <rth@redhat.com>
141 * Makefile.in (cs-tconfig.h): Depend on CONFIG_H, not GCONFIG_H.
142 Use ALL_CFLAGS not HOST_CFLAGS for sjlj detection.
144 2001-03-28 Jim Wilson <wilson@redhat.com>
146 * config/ia64/ia64.md (movtf): Change DImode to TFmode in calls to
149 2001-03-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
151 * toplev.h (fatal_error): Add ATTRIBUTE_NORETURN.
153 * tradcif.y (yyerror): Likewise. Add format specifier in call to
156 * tradcpp.c (macroexpand): Likewise for call to `error_with_line'.
158 2001-03-28 DJ Delorie <dj@redhat.com>
160 * Makefile.in (stage1_build): Revert CFLAGS patch.
162 2001-03-28 Marek Michalkiewicz <marekm@linux.org.pl>
164 * config/avr/libgcc.S (__mulhi3): Correct tests to exit the loop
165 when multiplier or multiplicand is zero.
167 2001-03-28 Bernd Schmidt <bernds@redhat.com>
169 * cselib.c (hash_rtx): Don't do tail recursion elimination by hand.
171 * config/ia64/ia64.c (update_set_flags): New function, broken out of
173 (set_src_needs_barrier): Likewise.
174 (rtx_needs_barrier): For SET case, use these two functions. Rework
175 PARALLEL case to handle all inputs before all outputs.
176 (emit_insn_group_barriers): Call init_insn_group_barriers only if we
177 saw a label and no stop bit since then.
178 (maybe_rotate, process_epilogue): Add prototypes.
180 2001-03-28 Richard Henderson <rth@redhat.com>
182 * config/rs6000/rs6000.h (EPILOGUE_USES): Use TARGET_AIX,
183 not TARGET_TOC for special toc restore handling.
184 * config/rs6000/rs6000.md (eh_return): Likewise.
186 2001-03-28 Richard Henderson <rth@redhat.com>
188 * config/sparc/sparc.c (eligible_for_epilogue_delay): False if
189 current_function_calls_eh_return.
190 (output_function_epilogue): Handle eh_return.
191 * config/sparc/sparc.h (DOESNT_NEED_UNWINDER): Remove.
192 (EH_RETURN_DATA_REGNO): New.
193 (EH_RETURN_STACKADJ_RTX): New.
194 (EH_RETURN_HANDLER_RTX): New.
195 * config/sparc/sparc.md (call/short branch peepholes): Check
196 can_throw_internal instead of in_same_eh_region.
198 * config/rs6000/rs6000.c (rs6000_stack_info): Allocate space
199 for eh_return data registers.
200 (rs6000_emit_prologue): Save eh_return data registers.
201 (rs6000_emit_epilogue): Force inline restores if eh_return.
202 Restore eh_return data registers. Mind EH_RETURN_STACKADJ_RTX.
203 * config/rs6000/rs6000.h (rs6000_stack_t): Add ehrd_offset.
204 (EH_RETURN_DATA_REGNO, EH_RETURN_STACKADJ_RTX): New.
205 (EPILOGUE_USES): True for TOC_REGISTER if calls_eh_return and
207 * config/rs6000/rs6000.md (eh_epilogue, eh_reg_restore): Remove.
208 (return_eh_si, return_eh_di): Remove.
209 (eh_return): New, from corpse of eh_epilogue.
210 (eh_set_lr_si, eh_set_lr_di): New.
212 * config/i386/i386.c (general_no_elim_operand): Disallow virtual regs.
213 (ix86_save_reg): If maybe_eh_return, true for EH_RETURN_DATA_REGNOs.
214 True for pic register if current_function_calls_eh_return.
215 (ix86_expand_epilogue): Change "emit_return" argument into "style".
216 Handle eh_return requirements.
217 * config/i386/i386.h (EH_RETURN_DATA_REGNO): New.
218 (EH_RETURN_STACKADJ_RTX): New.
219 * config/i386/i386.md (exception_receiver): Remove.
220 (eh_return, eh_return_1): New.
221 * config/i386/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
223 * config/alpha/alpha.c (alpha_sa_mask): Add EH_RETURN_DATA_REGNOs.
224 (alpha_mark_machine_status): No eh_epilogue_sp_ofs ...
225 (alpha_expand_epilogue): ... use EH_RETURN_STACKADJ_RTX instead.
226 * config/alpha/alpha.h (machine_function): Remove eh_epilogue_sp_ofs.
227 (EH_RETURN_DATA_REGNO): New.
228 (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): New.
229 * config/alpha/alpha.md (eh_epilogue): Remove.
230 (exception_receiver): Use $26 for ldgp input.
231 * config/alpha/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
233 2001-03-28 Richard Henderson <rth@redhat.com>
235 * except.c: Rewrite entirely for IA-64 ABI exception handling.
236 * except.h: Likewise.
238 * Makefile.in (LIB2ADDEH): Mention unwind-dw2*.c
240 (LIB2FUNCS_EH): Remove.
241 (LIB2ADD): Remove LIB2ADDEH.
242 (libgcc.mk): Pass LIB2ADDEHDEP, don't pass LIB2FUNCS_EH.
243 (LIBGCC_DEPS): Use LIB2ADDEHDEP.
244 (crt{begin,end}[S].o): Likewise.
245 (except.o): Update includes.
246 * mklibgcc.in: Remove LIB2FUNCS_EH, add LIB2ADDEH, LIB2ADDEHDEP.
247 (libgcc2_c_dep): Use LIB2ADDEHDEP.
249 * basic-block.h (struct basic_block_def): Remove eh_beg, eh_end.
250 * bb-reorder.c (reorder_basic_blocks): Don't disable for EH.
251 * builtins.def (BUILT_IN_EH_RETURN_DATA_REGNO): New.
252 * builtins.c (expand_builtin): Implement it.
253 [BUILT_IN_EH_RETURN]: Update for nr arguments change.
254 * c-common.c (c_common_nodes_and_builtins): Declare it.
255 * c-decl.c (init_decl_processing): Update __builtin_eh_return.
256 * calls.c (libfunc_nothrow): Remove.
257 (emit_library_call_value_1): Don't call it.
258 * crtstuff.c: Include unwind-dw2-fde.h instead of frame.h.
259 * dwarf2.h (dwarf_call_frame_info): Add dwarf2.1 elements.
260 (DW_EH_PE_*): New defines for pointer encoding in .eh_frame.
261 * dwarf2out.c (struct dw_fde_struct): Add uses_eh_lsda, funcdef_number.
262 (current_funcdef_number): Globalize.
263 (output_call_frame_info): Emit frame data if an lsda is needed.
264 Generate augmentation for personality routine. Don't play with
266 (dwarf2out_begin_prologue): Record funcdef_number.
267 * dwarf2out.h (current_funcdef_number): Declare.
268 * expr.c (expand_expr): Update for except.h name changes.
269 Remove POPDCC_EXPR, POPDHC_EXPR. Add EXC_PTR_EXPR.
270 * expr.h (LTI_throw, LTI_rethrow): Remove.
271 (LTI_sjthrow, LTI_sjpopnthrow, LTI_terminate): Remove.
272 (LTI_eh_rtime_match): Remove.
273 (LTI_unwind_resume, LTI_eh_personality): Add.
274 (LTI_unwind_sjlj_register, LTI_unwind_sjlj_unregister): Add.
275 * final.c (final): Don't call check_exception_handler_labels,
276 init_insn_eh_region, or free_insn_eh_region.
277 (final_scan_insn): Always emit debug labels for
278 NOTE_INSN_EH_REGION notes.
279 * flags.h (flag_new_exceptions): Remove.
280 * flow.c (entry_exit_blocks): Remove eh_beg, eh_end.
281 (record_active_eh_regions): Remove.
282 (count_basic_blocks): Check all instructions for REG_EH_REGION.
283 Use can_throw_internal.
284 (find_basic_blocks_1): Likewise.
285 (move_stray_eh_region_notes): Remove.
286 (find_label_refs): No eh_return_stub_label.
287 (make_edges): Likewise. No init/free_eh_nesting_info. Handle RESX.
288 (make_eh_edge): No eh_nest_info. Update for reachable_handlers
290 (delete_unreachable_blocks): Don't track deleted handlers.
291 (flow_delete_block): Use maybe_remove_eh_handler.
292 (delete_eh_regions): Remove.
293 (merge_blocks): Don't check for eh region match.
294 (mark_regs_live_at_end): Handle EH_RETURN_DATA_REGNO,
295 EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX.
296 (init_propagate_block_info): Disable dead frame store optimization
297 when current_function_calls_eh_return.
298 (dump_bb): Don't print eh_beg, eh_end.
299 * function.c (fixup_var_refs): No catch_clauses.
300 (expand_function_end): Likewise. Call expand_eh_return before
301 the return register use. Call sjlj_emit_function_exit_after.
302 (expand_function_start): Force pseudo DECL_RESULT if sjlj exceptions.
303 * function.h (struct function): Add calls_eh_return, uses_eh_lsda.
304 * ifcvt.c (dead_or_predicable): Remove eh region check.
305 * integrate.c (function_cannot_inline_p): Disallow __builtin_eh_return.
306 Don't check for EH vs parameters.
307 (expand_inline_function_eh_labelmap, eif_eh_map): Remove.
308 (expand_inline_function): Call duplicate_eh_regions.
309 (copy_insn_list): Don't handle NOTE_INSN_EH_REGION_BEG/END.
310 (copy_insn_notes): Remap REG_EH_REGION notes.
311 (copy_rtx_and_substitute): Remove SYMBOL_REF_NEED_ADJUST check.
312 * integrate.h (struct inline_remap): Add local_return_label.
313 * jump.c (jump_optimize_1): Don't init/free_insn_eh_region, nor
314 check_exception_handler_labels, nor exception_optimize.
315 (find_cross_jump): No EH region check.
316 * optabs.c (init_optabs): Update for changed eh libfuncs.
317 * rtl.def (RESX): New.
318 * rtl.h (SYMBOL_REF_NEED_ADJUST): Remove.
319 * stmt.c (expand_decl_cleanup): Simplify using_eh_for_cleanups_p
320 checks. Update for except.h name changes.
321 (expand_cleanups): Likewise.
322 (expand_dcc_cleanup, expand_dhc_cleanup): Remove.
323 * toplev.c (dump_file_index, dump_file): Add .02.eh dump.
324 (compile_file): Call init_eh before init_optabs. Don't
325 output_exception_table here.
326 (rest_of_compilation): Call convert_from_eh_region_ranges,
327 convert_to_eh_region_ranges, output_function_exception_table.
328 Don't emit_eh_context.
329 * tree.def (POPDHC_EXPR, POPDCC_EXPR): Remove.
332 * md.texi (eh_epilogue): Remove.
333 (eh_return): Document.
334 * tm.texi (EH_RETURN_DATA_REGNO): Document.
335 (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): Document.
337 * eh-common.h: Remove file.
338 * frame-dwarf2.c, frame.c, frame.h: Remove files.
339 * libgcc2.c (L_eh): Remove.
341 * unwind-dw2-fde.c: New file, largely copied from frame.c.
342 * unwind-dw2-fde.h: New file.
343 * unwind-dw2.c: New file, largely cribbed from frame-dwarf2.c.
344 * unwind-sjlj.c, unwind.h, unwind.inc: New files.
345 * libgcc-std.ver: Update for eh symbols.
347 2001-03-27 Richard Henderson <rth@redhat.com>
349 * regmove.c (perhaps_ends_bb_p): Use can_throw_internal to
350 reduce false positives.
351 (regmove_optimize): Disable if flag_non_call_exceptions.
353 * stmt.c (expand_return): Remove always true predicate.
354 (expand_decl_cleanup_no_eh): Remove dead code.
356 * sched-deps.c (sched_analyze_insn): Consolidate scheduling
357 barrier code. Add a scheduling barrier if a non-call insn
358 can throw internally.
360 * rtlanal.c (rtx_addr_can_trap_p): Virtual registers cannot trap.
361 Auto-inc addresses trap only if their base register does.
363 * except.c (can_throw_internal): Rename from can_throw.
364 * except.h, resource.c: Update references.
366 * integrate.c (copy_insn_list): Use returnjump_p.
367 (copy_insn_notes): Recurse for CALL_PLACEHOLDER.
369 * function.h (struct function): Move all boolean valued fields
370 to single bit fields at the end of the struct.
372 * bb-reorder.c, dwarf2out.c, except.c, except.h, flow.c,
374 Rename asynchronous_exceptions to flag_non_call_exceptions.
376 * gthr-single.h (UNUSED): New. Distinguish between how C
377 and C++ mark unused function arguments. Use throughout.
379 * Makefile.in (cs-tconfig.h): Copy USING_SJLJ_EXCEPTIONS
380 value to target configuration header.
381 * configure.in (CONFIG_SJLJ_EXCEPTIONS): New.
382 * config.in, configure: Rebuild.
383 * except.h (USING_SJLJ_EXCEPTIONS): New. Define based on
384 configuration and target defines.
385 (exceptions_via_longjmp): Remove.
386 * dwarf2out.c, except.c, final.c, toplev.c, config/ia64/ia64.c:
387 Use USING_SJLJ_EXCEPTIONS instead of exceptions_via_longjmp.
389 * except.h (flag_non_call_exceptions): Move ...
392 * combine.c (distribute_notes) [REG_EH_REGION]: If non-call
393 exceptions, put the note on the trapping instruction.
395 * flags.h (flag_new_exceptions): Remove.
396 * toplev.c: Don't set it.
397 * final.c: Don't check it.
398 * except.c: Provide stub definition.
400 * flow.c (tidy_fallthru_edges): Don't combine complex edges.
401 (calculate_global_regs_live): Kill call-clobbered registers
402 across exception edges.
403 * reg-stack.c (convert_regs_1): Kill the entire target stack
404 across non-call exception edges.
406 * flow.c (cleanup_cfg): Take no argument.
407 * output.h, sibcall.c, toplev.c: Update all calls.
409 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
411 * configure.in: Don't check for bcopy.
412 * configure, config.in: Regenerate.
414 * system.h: Don't define or prototype bcopy, instead poison it.
416 2001-03-27 Richard Henderson <rth@redhat.com>
418 * function.c (expand_function_start): Set DECL_REGISTER on
419 a pseudo used for DECL_RESULT.
421 * rtl.h (LCT_NORETURN): New.
422 * calls.c (emit_library_call_value_1): Handle it.
424 2001-03-27 Stan Shebs <shebs@apple.com>
426 * objc/objc-act.c (objc_init): Use dump_base_name.
427 (gen_declaration): Clear the buffer arg.
428 (gen_declaration_1): New function, body of gen_declaration.
429 (adorn_decl): Call gen_declaration_1 instead of gen_declaration.
430 (gen_method_decl): Ditto, plus always clear buffer arg.
431 (error_with_ivar): Simplify.
432 (warn_with_method): Ditto.
433 (build_message_expr): Don't clear buffers.
434 (dump_interface): Ditto.
436 (build_keyword_selector): Clear the buffer by only zeroing
438 (objc_implementation_context): Declare.
439 (start_class): Warn about missing @end.
440 (finish_objc): Ditto.
442 2001-03-28 John David Anglin <dave@hiauly1.hia.nrc.ca>
444 * reload1.c (eliminate_regs): Don't abort on MEM USEs.
446 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
448 * Makefile.in (SYSTEM_H): Define.
449 Depend on $(SYSTEM_H), not system.h.
451 * objc/Make-lang.in: Depend on $(SYSTEM_H), not system.h.
453 2001-03-27 Jim Wilson <wilson@redhat.com>
455 * final.c (final_scan_insn, case NOTE_INSN_BASIC_BLOCK): Call
457 * config/ia64/ia64.c (block_num, need_copy_state): New static vars.
458 (process_epilogue): New static function.
459 (process_set): Call process_epilogue instead of emitting .restore
461 (process_for_unwind_directive): Handle NOTE_INSN_BASIC_BLOCK.
463 * flow.c (struct reg_cond_life_info): New fields orig_condition
465 (init_propagate_block_info): Set new fields.
466 (mark_regno_cond_dead): Set and use new fields.
467 (flush_reg_cond_reg_1): Likewise.
468 (and_reg_cond, case AND): Check for redundant AND conditions.
469 (mark_used_reg): Delete unnecessary clears before freeing splay trees.
472 2001-03-27 Neil Booth <neil@daikokuya.demon.co.uk>
474 * cppmacro.c (stringify_arg): Null terminate strings.
476 2001-03-27 Zack Weinberg <zackw@stanford.edu>
478 * config.gcc (m68hc11-*-*, m68hc12-*-*): Convert to new tm.h
479 inclusion style. xm-m68hc11.h no longer exists.
480 * config/m68hc11/xm-m68hc11.h: Delete file.
481 * config/m68hc11/m68hc12.h: Convert to new tm.h inclusion style.
483 * config/m68hc11/m68hc11.h: Convert to new tm.h inclusion style.
484 Don't define GCC_VERSION, N_, or PARAMS; don't include
485 gansidecl.h or stdio.h. Define inhibit_libc here.
486 Make code conditioned on #if GCC_VERSION > 2095 unconditional.
487 Delete code conditioned on #if GCC_VERSION == 2095.
489 * config/m68hc11/m68hc11-protos.h, config/m68hc11/m68hc11.c:
490 Make code conditioned on #if GCC_VERSION > 2095 unconditional.
491 Delete code conditioned on #if GCC_VERSION == 2095.
493 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
495 * system.h: Include symcat.h.
496 (STRINGIFY): Don't define.
498 * configure.in: Adjust comment.
500 * builtins.c: Use STRINGX, not STRINGIFY.
501 * gencheck.c: Likewise.
502 * gengenrtl.c: Likewise.
503 * protoize.c: Likewise.
505 * cpplex.c: Don't include symcat.h.
506 * cpplib.c: Likewise.
508 * gansidecl.h (HAVE_STRINGIZE): Don't define.
510 2001-03-27 Alan Modra <alan@linuxcare.com.au>
512 * c-typeck.c (digest_init): Fold init expression.
514 2001-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
516 * sbitmap.c (sbitmap_copy): Call memcpy, not bcopy.
518 2001-03-27 Alan Modra <alan@linuxcare.com.au>
520 * except.c (eh_regs): Save results of build_pointer_type to a temp
521 as FUNCTION_VALUE macro may evaluate its args multiple times.
523 2001-03-26 Mark Mitchell <mark@codesourcery.com>
525 * c-common.h (DECL_NUM_STMTS): New macro.
526 * c-decl.c (duplicate_decls): Copy DECL_NUM_STMTS, not
528 (pushdecl): Likewise.
529 * c-semantics.c (add_stmt): Update DECL_NUM_STMTS.
530 * integrate.c (expand_inline_function): Don't check
532 * print-tree.c (print_node): Don't print it.
533 * toplev.c (rest_of_compilation): Don't try to inline when
534 flag_no_inline is on.
535 * tree.h (DECL_FRAME_SIZE): Remove.
536 (tree_decl): Adjust accordingly.
538 2001-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
540 * combine.c (try_combine): Use memcpy, not bcopy.
542 * genattrtab.c (expand_units): Likewise.
544 Mon Mar 26 15:55:08 CEST 2001 Jan Hubicka <jh@suse.cz>
546 * i386.md (push mem DI peep2): New.
547 (mov 0, mov -1 peep2): Handle 64bit.
548 (lea to arithmetics peep2): Handle 64bit leas.
549 (rsp arithmetics to push/pop peep2s): New.
551 * i386.md (truncdfsf2_3, trunctfsf2_2): Change predicate to memory_operand.
553 Mon Mar 26 14:35:18 CEST 2001 Jan Hubicka <jh@suse.cz>
555 * i386.c (struct machine_function): Add save_varrargs_registers.
556 (ix86_save_varrargs_registers): New macro.
557 (ix86_frame_layout): Support 64bit; support red zones and varrargs area.
558 (ix86_expand_prologue): Likewise.
559 (ix86_emit_epilogue_esp_adjustement): Likewise.
560 (ix86_expand_epilogue): Likewise.
561 * i386.md (pro_epilogue_adjust_stack): Turn to expander; support 64bit.
562 (pro_epilogue_adjust_stack_1): New insn.
563 (pro_epilogue_adjust_stack_rex64): Likewise.
564 * i386.h (MASK_NO_RED_ZONE): New constant.
565 (TARGET_RED_ZONE): New macro.
566 (TARGET_OPTIONS): Add "red-zone" and "no-red-zone"
567 (RED_ZONE_SIZE): New constant.
568 (RED_ZONE_RESERVE): New constant.
570 2001-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
572 * toplev.c (set_float_handler): Use memcpy, not bcopy.
574 2001-03-25 Kazu Hirata <kazu@hxi.com>
576 * config/h8300/h8300.md (umodqi3): Output a tab instead of a
582 2001-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
584 * mkconfig.sh (DEFINES): Handle entries with '='.
586 * config.gcc: Don't use i370/xm-mvs.h or ns32k/xm-pc532-min.h.
587 Set xm_defines to MACRO=value instead.
589 * i370/xm-mvs.h: Delete.
591 * ns32k/xm-pc532-min.h: Likewise.
593 Sun Mar 25 15:01:40 CEST 2001 Jan Hubicka <jh@suse.cz>
595 * i386.md (ashldi3, ashrdi3, lshrdi3): Change predicates to
597 use ix86_expand_binary_operator
598 (?sh??i_?): Disable for 64bit.
599 * i386.h (PREDICATE_CODES): Add shiftdi_operand.
600 * i386.c (shiftdi_operand): New predicate.
602 * (ashldi3_1_rex64, ashldi3_cmp_rex64, ashlsi3_1_zext, ashlsi3_cmp_zext,
603 ashrdi3_63_rex64, ashrdi3_1_one_bit_rex64, ashrdi3_1_rex64,
604 ashrdi3_one_bit_cmp_rex64, ashrdi3_cmp_rex64, ashrsi3_31_zext,
605 ashrsi3_1_one_bit_zext, ashrsi3_1_zext, ashrsi3_one_bit_cmp_zext,
606 ashrsi3_cmp_zext, lshrdi3_1_one_bit_rex64, lshrdi3_1_rex64,
607 lshrdi3_cmp_one_bit_rex64, lshrdi3_cmp_rex64, lshrsi3_1_one_bit_zext,
608 lshrsi3_1_zext, lshrsi3_cmp_one_bit_zext, lshrsi3_cmp_zext,
609 rotlsi3_1_one_bit_rex64, rotldi3_1_rex64,
610 rotlsi3_1_one_bit_zext, rotlsi3_1_zext, rotrdi3_1_one_bit_rex64,
611 rotrdi3_1_rex64, rotrsi3_1_one_bit_zext, rotrsi3_1_zext): New patterns.
612 (rotldi3, rotrdi3): New expanders.
614 Sun Mar 25 14:25:33 CEST 2001 Jan Hubicka <jh@suse.cz>
616 * i386.md (movstrsi): Move offline.
618 (strmovdi_rex64): New.
619 (strmov?i): Accept 64bit.
620 (strmov?i_rex64): New.
621 (strmov?i_rex_1): New.
622 (strmov?i_1): Disable for 64bit.
623 (rep_mov?i_rex64): New.
624 (rep_mov?i): Disable for 64bit.
625 (clrstrsi): Move offline.
626 (strset?i_rex64): New.
627 (strset?i: Accept 64bit.
628 (rep_stos?i): Disable for 64bit.
629 (rep_stos?i_rex64): New.
630 (strset?i_rex_1): New.
631 (strset?i_1): Disable for 64bit.
632 (cmpstrsi): Accept 64bit.
633 (cmpstrsi_nz_1): Rename to cmpstrqi_nz_1; Disable for 64bit.
634 (cmpstrqi_nz_rex_1): New.
635 (cmpstrsi_1): Rename to cmpstrqi_1; Disable for 64bit.
636 (strlensi): Move offline.
638 (strlenqi_1): Disable for 64bit; fix constraints.
639 (strlenqi_rex_1): New.
640 * i386.c (ix86_adjust_counter): New static function.
641 (ix86_zero_extend_to_Pmode): Likewise.
642 (ix86_expand_aligntest): Likweise.
643 (ix86_expand_strlensi_unroll_1): Make static; update for 64bit.
644 (ix86_expand_movstr): New global function.
645 (ix86_expand_clrstr): New global function.
646 (ix86_expand_strlen): New global function.
647 * i386-protos.h (ix86_expand_movstr, ix86_expand_clrstr,
648 ix86_expand_strlen): Declare.
649 (ix86_expand_strlensi_unroll_1): Delete.
651 Sat Mar 24 23:15:19 CET 2001 Jan Hubicka <jh@suse.cz>
653 * i386.md (cmpdi): Fix operand predicates.
654 (cmpdi_ccno_1_rex64, cmpdi_minus_1_rex64, cmpdi_1_rex64,
655 cmpdi_1_insn_rex64): New patterns.
656 (adddi3): Turn to expander.
657 (adddi3_1, adddi3_carry_rex64, adddi3_cc_rex64): New patterns.
658 (addsi3_carry_zext): New pattern.
659 (adddi_?_rex64): New patterns and splitters.
660 (addsi_?_zext): New patterns.
661 (subsi3_carry_zext): New pattern.
662 (subdi_?_rex64): New patterns and splitters.
663 (iorsi_?_zext): New patterns.
664 (iordi_?_rex64): New patterns and splitters.
665 (iorsi_?_zext): New patterns.
666 (iorsi_?_zext_imm): New patterns.
667 (xorsi_?_zext): New patterns.
668 (xordi_?_rex64): New patterns and splitters.
669 (xorsi_?_zext): New patterns.
670 (negdi*): New patterns.
671 (one_cmpldi*): Likewise.
672 (one_cmplsi*_zext, negsi*_zext): Likewise.
673 (testqi_ext_3_rex64): New pattern.
675 Sat Mar 24 21:13:28 CET 2001 Jan Hubicka <jh@suse.cz>
677 * i386-protos.h (ix86_split_long_move): Return void.
678 * i386.c (ix86_split_to_parts): Handle 64bit target.
679 (ix86_split_long_move): Likewise.
680 * i386.md (all calls to ix86_split_long_move): Update.
682 2001-03-23 Richard Henderson <rth@redhat.com>
684 * config/mips/iris4.h (ASM_OUTPUT_ASCII): Rename local variables
685 to avoid shadowing arguments.
687 2001-03-23 Jakub Jelinek <jakub@redhat.com>
689 * varasm.c (make_decl_rtl): Don't append var_labelno discriminator
690 to variable names where DECL_NAME is different from
693 2001-03-23 Jim Wilson <wilson@redhat.com>
695 * varasm.c (make_decl_rtl): Add TREE_PUBLIC check to abort test.
696 (assemble_alias): Call make_decl_rtl.
698 Fri Mar 23 16:59:08 2001 J"orn Rennecke <amylaar@redhat.com>
700 * stor-layout.c (layout_type): Give OFFSET_TYPE a MODE_INT type.
702 2001-03-23 Bryce McKinlay <bryce@albatross.co.nz>
704 * extend.texi: Document the "java_interface" attribute.
706 2001-03-22 Zack Weinberg <zackw@stanford.edu>
708 * mkconfig.sh: Use a subshell with redirected stdout,
709 instead of closing stdout and confusing commands that run
710 afterward. Throw away output of cmp.
712 2001-03-22 Gordon Sadler <gbsadler1@lcisp.com>
714 * Makefile.in (stage1_build): Pass CFLAGS to stage1_build.
716 Thu Mar 22 22:15:59 CET 2001 Jan Hubicka <jh@suse.cz>
718 * i386.md (zero_extendsidi2_32): Break out from ...
719 (zero_extendsidi2): ... here ; turn to expander.
720 (zero_extendsidi2_rex64): New.
721 (extendsidi2_32): Break out from ...
722 (extendsidi2): ... here ; turn to expander.
723 (extendsidi2_rex64): New.
724 (zero_extendhidi2, zero_extendqidi2, extendhidi2, extendqidi2): New.
725 (trunc?f?f splitters): Add 64bit versions.
727 Thu Mar 22 21:41:16 CET 2001 Jan Hubicka <jh@suse.cz>
729 * i386.md (pushsi, pushsi2_prologue): Disable.
730 (pushsi2_rex64): New.
731 (movabs?i_1_rex64, movabs?i_2_rex64): New.
732 (movqi_ext_1): Disable for 64bit.
733 (movqi_ext_1_rex64): New.
734 (pushdi2_rex64): New pattern, peep2s and splitter.
735 (pushdi2_prologue_rex64): New pattern.
736 (popdi1_epilogue_rex64, popdi1, movdi_xor_rex64, movdi_or_rex64):
738 (movdi splitters): Disable for 64bit.
739 (movdi_1_rex64): New pattern, peep2s and splitters.
740 (swapdi): New pattern.
741 (pushsf): Disable for 64bit.
742 (pushsf_rex64): New pattern and splitter.
743 (pushdf_nointeger): Disable for 64bit.
744 (pushdf_integer): Handle the 64bit case.
745 (pushtf): Likewise; update splitters.
747 2001-03-22 Richard Henderson <rth@redhat.com>
749 * mkconfig.sh: Include insn-flags.h.
750 * Makefile.in (CONFIG_H): Include insn-flags.h.
751 (lots of objects): Remove insn-codes.h and insn-flags.h.
753 * alias.c, bb-reorder.c, calls.c, do-loop.c, flow.c, haifa-sched.c,
754 integrate.c, jump.c, loop.c, predict.c, profile.c, reg-stack.c,
755 regmove.c, reorg.c, a29k/a29k.c, alpha/alpha.c, arc/arc.c, arm/arm.c,
756 avr/avr.c, clipper/clipper.c, convex/convex.c, d30v/d30v.c,
757 dsp16xx/dsp16xx.c, fr30/fr30.c, h8300/h8300.c, i370/i370.c,
758 i386/i386.c, i860/i860.c, ia64/ia64.c, m32r/m32r.c, m68hc11/m68hc11.c,
759 m68k/m68k.c, m88k/m88k.c, mcore/mcore.c, mn10200/mn10200.c,
760 mn10300/mn10300.c, ns32k/ns32k.c, pa/pa.c, pdp11/pdp11.c,
761 pj/pj.c, romp/romp.c, rs6000/rs6000.c, sh/sh.c, sparc/sparc.c,
762 v850/v850.c, vax/vax.c:
763 Don't include insn-flags.h.
765 * diagnostic.c, expr.h, reload.c, toplev.c:
766 Don't include insn-codes.h.
768 * builtins.c, combine.c, except.c, explow.c, expmed.c, expr.c,
769 final.c, function.c, optabs.c, recog.c, reload1.c, stmt.c,
770 c4x/c4x.c, i960/i960.c, mips/mips.c:
771 Don't include insn-codes.h or insn-flags.h.
773 * genemit.c, genopinit.c, genoutput.c: Don't include insn-codes.h
774 or insn-flags.h in the generated code.
775 * genflags.c (gen_proto): Use "struct rtx_def *" instead of "rtx".
776 (main): Forward declare struct rtx_def.
778 2001-03-22 Joseph S. Myers <jsm28@cam.ac.uk>
780 * invoke.texi (-ffast-math): Remove duplicate line about
783 * gcc.texi: Remove more obsolete documentation of bugs and
784 installation problems.
786 2001-03-21 Kazu Hirata <kazu@hxi.com>
788 * config/h8300/h8300.md (movsi_h8300hs): Split the 2nd alternative
791 2001-03-20 Jason Merrill <jason@redhat.com>
793 * collect2.c (is_ctor_dtor): Always use '_' in the file fn names,
795 * tree.c (FILE_FUNCTION_FORMAT): Likewise.
796 * varasm.c (CHKR_PREFIX): Likewise.
798 Wed Mar 21 14:27:11 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
800 * gcse.c (hash_scan_set): An expression is not anticipatible if it
801 is part of a multi-SET insn.
803 * cse.c (find_comparison_args): Remove previous change.
804 * ifcvt.c (noce_process_if_block): When moving an insn, remove any
807 * config/i386/i386.md (conditional_trap): Remove warning.
809 * recog.c (push_operand): Fix error in last change that caused
810 undefined symbol on many targets.
812 * sdbout.c: #include ggc.h.
813 (sdbout_init): Move to end of file.
814 Call ggc_add_tree_root for anonymous_types.
815 (sdbout_symbol): Use DECL_NAME for local, not DECL_ASSEMBLER_NAME.
816 (sdbout_one_type): Use DECL_NAME for field name.
817 * Makefile.in (sdbout.o): Show includes ggc.h.
819 Wed Mar 21 20:33:26 CET 2001 Jan Hubicka <jh@suse.cz>
821 * i386.c (override_options): Default ix86_regparm to REGPARM_MAX.
822 (override_options): Use properlimits for preferred_stack_boundary.
823 (ix86_valid_type_attribute_p): Disable stdcall and cdecl attributes
825 (ext_register_operand): Accept DImode.
826 (load_pic_register): Abort on 64bit.
827 (gen_push): Use Pmode instead of SImode.
828 (ix86_save_reg): Pic reg is never used on 64bit.
829 (ix86_expand_prologue): Likewise.
830 (ix86_emit_save_regs): Use Pmode instead of SImode.
831 (legitimate_address_p): Check displacement for 64bit.
832 (print_operand): Avoid outputting of (%rip) on 64bit.
833 (print_operand_address): Output (%rip) where possible.
834 (split_di): Abort on 64bit registers.
835 (ix86_expand_branch): DImode comparison is simple for x86_64.
836 (memory_address_length): Recognize memory addresses formed using
838 (ix86_data_alignment, ix86_local_alignment): Align arrays to 16 bytes
840 * i386.h (TARGET_USE_SAHF): Disable for 64bit.
842 Wed Mar 21 18:51:19 CET 2001 Jan Hubicka <jh@suse.cz>
844 * recog.c (push_operand): Recognize new format of push instructions.
846 Wed Mar 21 10:53:57 CET 2001 Jan Hubicka <jh@suse.cz>
848 * i386.md (pushqi1): New.
849 * i386-protos.h (x86_64_general_operand, x86_64_szext_general_operand,
850 x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
851 x86_64_immediate_operand, x86_64_immediate_operand,
852 x86_64_zext_immediate_operand): Declare.
853 * i386.c (x86_64_general_operand, x86_64_szext_general_operand,
854 x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
855 x86_64_immediate_operand, x86_64_immediate_operand,
856 x86_64_zext_immediate_operand): define.
857 * i386.h (PREDICATE_CODES): Add new predicates.
859 Wed Mar 21 10:25:13 CET 2001 Jan Hubicka <jh@suse.cz>
861 * i386.md (pophi1, popqi1, pushqi1): Remove.
863 * expr.c (emit_single_push_insn): New function.
864 (move_by_pieces): Accept NULL as destination for push instructions.
865 (gen_push_operand): Kill.
866 (emit_push_insn): Pass NULL when pushing; avoid updating of
868 * expr.h (gen_push_operand): Kill.
870 Tue Mar 20 20:15:06 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
872 * rtl.texi (COMPARE): Clarify documentation and reference section
875 2001-03-20 Stan Shebs <shebs@apple.com>
877 * objc/objc-act.c (get_static_reference): Use NULL_TREE.
878 (get_object_reference): Ditto.
879 (error_with_ivar): Use error_with_file_and_line.
880 (warn_with_method): Use warning_with_file_and_line.
882 2001-03-20 Tom Tromey <tromey@redhat.com>
884 * libgcc-std.ver: Added __fixunssfsi and __fixunsdfsi.
886 2001-03-20 Mark Mitchell <mark@codesourcery.com>
888 * tree.c (set_decl_assembler_name): Set DECL_ASSEMBLER_NAME for
889 variables that are TREE_PUBLIC, even if not TREE_STATIC.
891 2001-03-20 DJ Delorie <dj@redhat.com>
893 * Makefile.in (install-libgcc): Pass complete list of variables.
894 (install-multilib): Ditto.
896 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
898 * config/i386/cygwin.h: Declare ctor_section, dtor_section
899 drectve_section, switch_to_section.
901 * winnt.c: Declare functions associated_type, gen_stdcall_suffix,
902 i386_pe_dllexport_p, i386_pe_dllimport_p, i386_pe_mark_dllexport,
903 i386_pe_mark_dllimport.
905 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
907 * config/i386/cygwin.h: Include <stdio.h> Declare and constify
910 * config/i386/winnt.c: Include "tm_p.h" and "toplev.h" Constify
911 i386_pe_* functions with char * arguments.
913 2001-03-20 Alexandre Oliva <aoliva@redhat.com>
915 * config/sh/sh.md (movsf_ie): Fix output patterns for fpul load
917 (movsi_ie): Introduce fpul store.
919 2001-03-20 Alan Modra <alan@linuxcare.com.au>
921 * Makefile.in (OBJS): Remove hashtab.o.
923 2001-03-19 Stan Shebs <shebs@apple.com>
925 * objc/objc-act.c (maybe_objc_method_name): Remove, never called.
926 * c-lang.c (maybe_objc_method_name): Ditto.
927 * c-tree.h (maybe_objc_method_name): Remove decl.
929 2001-03-19 Tom Tromey <tromey@redhat.com>
931 * gcc.c (init_gcc_specs): Fix comment.
933 2001-03-19 Mark Mitchell <mark@codesourcery.com>
935 Compute DECL_ASSEMBLER_NAME lazily.
936 * tree.h (DECL_ASSEMBLER_NAME): Compute it lazily.
937 (DECL_ASSEMBLER_NAME_SET_P): New macro.
938 (SET_DECL_ASSEMBLER_NAME): Likewise.
939 (COPY_DECL_ASSEMBLER_NAME): Likewise.
940 (set_decl_assembler_name): Declare.
941 (lang_set_decl_assembler_name): Likewise.
942 * tree.c (lang_set_decl_assembler_name): New variab.e
943 (set_decl_assembler_name): New function.
944 (init_obstacks): Set lang_set_decl_assembler_name.
945 (build_decl): Don't set DECL_ASSEMBLER_NAME.
946 * c-decl.c (duplicate_decls): Use SET_DECL_ASSEMBLER_NAME,
947 COPY_DECL_ASSEMBLER_NAME, etc. Don't set DECL_ASSEMBLER_NAME
948 where it's not necessary.
949 (builtin_function): Likewise.
950 (finish_decl): Likewise.
951 * dbxout.c (dbxout_type_methods): Likewise.
952 * ggc-common.c (ggc_mark_trees): Likewise.
953 * profile.c (output_func_start_profiler): Likewise.
954 * varasm.c (make_decl_rtl): Likewise.
956 * cse.c (find_comparison_args): Update documentation. Fix
957 mishandling of COMPARE operations.
959 * tree.def (ABS_EXPR): Add documentation.
960 * fold-const.c (fold): Improve folding of ABS_EXPRs.
962 2001-03-19 Zack Weinberg <zackw@stanford.edu>
964 * Makefile.in (hash.o): Depend on $(GCONFIG_H), not $(CONFIG_H).
966 2001-03-19 Jakub Jelinek <jakub@redhat.com>
968 * crtstuff.c (init_dummy): Use CRT_END_INIT_DUMMY if defined.
969 Remove ia32 linux PIC kludge and move it...
970 * config/i386/linux.h (CRT_END_INIT_DUMMY): ...here.
972 Mon Mar 19 18:53:54 CET 2001 Jan Hubicka <jh@suse.cz>
974 * i386.md (absdf2 expander): Fix 64bit case.
976 2001-03-19 Brad Lucier <lucier@math.purdue.edu>
978 * Makefile.in: Have splay-tree.o depend on $(GCONFIG_H).
980 2001-03-16 Andrew Haley <aph@cambridge.redhat.com>
982 * config/ia64/libgcc-ia64.ver: Add __ia64_backtrace.
984 2001-03-19 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
986 * README.X11: Remove obsolete file.
988 2001-03-18 Anthony Green <green@redhat.com>
990 * config/pj/pj.h: Remove some trailing commas.
991 (ASM_SPEC): Use -EB and -EL, not -mb and -ml.
993 2001-03-18 Richard Henderson <rth@redhat.com>
995 * defaults.h (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Move from ...
997 * combine.c, expr.c, final.c, function.c toplev.c: Don't provide
998 defaults for them here.
1000 2001-03-17 Anthony Green <green@redhat.com>
1002 * config/pj/lib1funcs.S: Fix broken comment.
1003 * config/pj/pj.h (LOCAL_LABEL_PREFIX): Prefix internal
1006 2001-03-18 Joseph S. Myers <jsm28@cam.ac.uk>
1008 * gcc.texi: Remove obsolete information relating to build and
1009 installation problems with enquire or the Pyramid C compiler.
1011 2001-03-17 Richard Henderson <rth@redhat.com>
1013 * dwarf2out.c (queue_reg_save): New.
1014 (flush_queued_reg_saves, clobbers_queued_reg_save): New.
1015 (dwarf2out_frame_debug_expr): Call queue_reg_save instead of
1017 (dwarf2out_frame_debug): Call flush_queued_reg_saves when needed.
1018 (cfa, cfa_store, cfa_temp): Make static.
1019 * final.c (final_scan_insn): Always call dwarf2out_frame_debug.
1021 2001-03-17 Richard Henderson <rth@redhat.com>
1023 * integrate.h (struct inline_remap): Add local_return_label.
1024 * integrate.c (expand_inline_function): Initialize it and emit
1025 it after copy_insn_notes.
1026 (copy_insn_list): Don't store local_return_label here.
1027 (copy_insn_notes): New function split out from copy_insn_list.
1029 2001-03-17 Richard Henderson <rth@redhat.com>
1031 * dwarf2out.c (lookup_filename): Emit .file if the assembler
1032 is generating .debug_line.
1033 (dwarf2out_init): Add main_input_filename to the file table first.
1034 * configure.in (as_dwarf2_debug_line): Test with file number 1
1035 instead of file number 0.
1037 Sat Mar 17 11:52:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1039 * combine.c (undobuf): Remove field previous_undos; all refs deleted.
1040 (gen_rtx_combine): Deleted; all references changed as appropriate.
1041 (gen_unary): Deleted; all refs changed to call simplify_gen_unary.
1043 * print-tree.c (print_node): Print DECL_NONADDRESSABLE_P.
1045 2001-03-17 David Billinghurst <David.Billinghurst@riotinto.com>
1047 * config/i386/xm-cygwin.h: Include <sys/cygwin.h. Remove unused
1050 2001-03-16 Jim Wilson <wilson@redhat.com>
1052 * config/ia64/ia64.c (ia64_compute_frame_size): If reg_fp is zero,
1053 then set it to LOC_REG (79) instead of aborting.
1055 2001-03-16 Phil Edwards <pme@sources.redhat.com>
1057 * gccbug.in: Remove high priority.
1059 2001-03-16 Richard Henerson <rth@redhat.com>
1061 * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): Substitute leading od
1062 output with a space instead of deleting it.
1063 * configure: Regenerate.
1065 2001-03-16 Zack Weinberg <zackw@stanford.edu>
1067 * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): New utility macro which
1068 handles the gory details of converting an object file into
1069 something that's safe to grep.
1070 (gcc_AC_C_COMPILE_BIGENDIAN): Rename to
1071 gcc_AC_C_COMPILE_ENDIAN. Use gcc_AC_EXAMINE_OBJECT. Put
1072 newlines at either end of the string we're looking for.
1073 Make 'checking ...' message less stilted.
1074 (gcc_AC_C_FLOAT_FORMAT): Use gcc_AC_EXAMINE_OBJECT. Handle
1075 ARM in-memory layout and its hypothetical converse. Don't
1076 define HOST_FLOAT_WORDS_BIG_ENDIAN unless it's different from
1077 HOST_WORDS_BIG_ENDIAN.
1079 * configure.in: Adjust for renamed macro. Move
1080 gcc_AC_C_FLOAT_FORMAT below gcc_AC_C_COMPILE_ENDIAN.
1081 * configure, config.in: Regenerate.
1083 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
1085 * fixinc/Makefile.in: Set SHELL.
1087 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
1089 * fixinc/fixincl.c (fix_with_system): Quote file names before
1090 passing them to shell.
1092 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
1094 * Makefile.in: Use fix-header$(build_exeext) instead
1097 2001-03-16 Richard Henderson <rth@redhat.com>
1099 * dwarf2out.c: Revert most of 2000-11-25 and 2001-01-24 changes.
1100 (LN_PROLOG_AS_LABEL, LN_PROLOG_END_LABEL): New.
1101 (size_of_line_prolog): Remove.
1102 (output_line_info): Compute prologue size via label difference.
1103 (lookup_filename): Return "unspecified" for <internal> and <built-in>.
1105 * configure.in (HAVE_AS_DWARF2_DEBUG_LINE): Require that the
1106 assembler error when redefining file numbers.
1107 * config.in, configure: Rebuild.
1109 * dwarf2asm.c (dw2_asm_output_data): Mask data to the output size.
1110 (dw2_asm_output_data_uleb128): Use space not tab after .uleb128.
1111 (dw2_asm_output_delta_uleb128): Likewise.
1112 (dw2_asm_output_delta_sleb128): Similarly.
1113 (dw2_asm_output_data_sleb128): Similarly. Print number in decimal.
1115 2001-03-16 Michael Meissner <meissner@redhat.com>
1117 * mips.h (BITMASK_HIGH): Replacement for 0x80000000 that avoids
1119 (BITMASK_UPPER16): Replacement for 0xffff0000 that avoids
1121 (BITMASK_LOWER16): Replacement for 0x0000ffff.
1123 * mips.c (save_restore_insns): Use BITMASK_UPPER16/BITMASK_LOWER16
1124 instead of 0xffff0000/0x0000ffff to avoid warnings about constants
1125 being unsigned in ISO C and signed in traditional.
1126 (expand_prologue): Ditto.
1127 (RA_MASK): Use BITMASK_HIGH to avoid warnings.
1129 * mips.md (divmodsi4,divmodsi4): Use BITMASK_HIGH to avoid
1131 (divsi3,divdi3): Ditto.
1132 (modsi3,moddi3): Ditto.
1133 (fix_truncdfsi2,fix_truncdfdi2): Ditto.
1134 (fix_truncsfsi2,fix_truncsfdi2): Ditto.
1135 (movsi split): Use BITMASK_UPPER16/BITMASK_LOWER16 to avoid
1138 Fri Mar 16 14:47:57 CET 2001 Jan Hubicka <jh@suse.cz>
1140 * i386.c (ix86_expand_fp_movcc): Do not attempt to construct
1141 SSE based conditional moves on LTGT/UNEQ conditions;
1142 Canonicalize EQ to NE.
1143 * i386.md (sse_mov?fcc): Disallow EQ and NE in IEEE mode.
1144 (sse_mov?fcc_ne): New.
1146 * i386-protos.h (sign_extended_value, zero_extended_value): Declare.
1148 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
1150 * config/sh/sh.c (sh_expand_prologue): Insns that set up the PIC
1151 register may be dead.
1153 2001-03-16 Brad Lucier <lucier@math.purdue.edu>
1155 * Makefile.in (hash.o): Depend on CONFIG_H.
1157 2001-03-15 Mark Mitchell <mark@codesourcery.com>
1159 * dwarf2out.c (rtl_for_decl_location): Use DECL_RTL_IF_SET.
1161 2001-03-15 Richard Henderson <rth@redhat.com>
1163 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): New.
1164 (ASM_OUTPUT_DWARF_PCREL): New.
1165 * config/ia64/hpux.h (ASM_OUTPUT_DWARF_OFFSET): Remove.
1167 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
1169 * cppfiles.c (stack_include_file): Use MAX of sysp.
1171 2001-03-15 Steve Ellcey <sje@cup.hp.com>
1173 * config.gcc (ia64*-*-hpux*): New case.
1174 * config/ia64/hpux.h: New file for HP-UX support.
1175 * config/ia64/t-hpux: New file for HP-UX support.
1177 2001-03-16 Bruce Korb <bkorb@gnu.org>, Alexandre Oliva <aoliva@redhat.com>
1179 * fixinc/inclhack.def (irix_stdio_va_list): New.
1180 * fixinc/fixincl.x: Rebuilt.
1182 2001-03-15 Richard Henderson <rth@redhat.com>
1184 * dwarf2asm.c (dw2_asm_output_offset): Use ASM_OUTPUT_DWARF_OFFSET
1185 if provided by the target.
1186 (dw2_asm_output_pcrel): Likewise with ASM_OUTPUT_DWARF_PCREL.
1187 (dw2_asm_output_addr): New.
1188 * dwarf2asm.h (dw2_asm_output_addr): Declare.
1189 * dwarf2out.c (output_cfi): Use it for program addresses.
1190 (output_call_frame_info, output_die): Likewise.
1191 (output_aranges, output_line_info): Likewise.
1193 2001-03-15 Bruce Korb <bkorb@gnu.org>
1195 * gcc.c(main): make more rigorous
1196 * collect2.c(main): guard against ignoring SIGCHLD
1197 * protoize.c(main): ditto
1198 * gcc/fixinc/fixincl.c(initialize): ditto
1200 2001-03-15 Mark Mitchell <mark@codesourcery.com>
1202 * sdbout.c (sdbout_symbol): Use DECL_RTL_SET_P, SET_DECL_RTL.
1203 (sdbout_parms): Likewise.
1205 Thu Mar 15 12:57:14 2001 Jeffrey A Law (law@cygnus.com)
1207 * reload1.c (reload_cse_simplify_set): For LOAD_EXTEND_OP, do not
1208 "widen" a destination that is already wider than a word. Also do
1209 not widen if LOAD_EXTEND_OP is NIL for the given mode.
1211 2001-03-15 Bernd Schmidt <bernds@redhat.com>
1213 * config/ia64/ia64.c (ia64_sched_reorder): Remove debugging aids.
1215 Thu Mar 15 11:30:31 EST 2001 John Wehle (john@feith.com)
1217 * i960.h (ROUND_TYPE_SIZE_UNIT): Fix typo.
1219 Thu Mar 15 11:24:29 EST 2001 John Wehle (john@feith.com)
1221 * i960.h (i960_maxbitalignment,
1222 i960_last_maxbitalignment): Declare.
1223 * i960.c (i960_maxbitalignment,
1224 i960_last_maxbitalignment): Make global.
1225 (process_pragma): Delete.
1226 (i960_pr_align, i960_pr_noalign): Move from here ...
1227 * i960-c.c: ... to this new file.
1228 * t-960bare (i960-c.o): New rule.
1229 * t-vxworks960 (i960-c.o): Likewise.
1230 * config.gcc (i960-*-*): Define c_target_objs and
1233 2001-03-15 Bernd Schmidt <bernds@redhat.com>
1235 * cselib.c (hash_rtx): For REG and MEM, just use value of expression
1236 without adding in rtx code and mode.
1238 * alias.c (init_alias_analysis): Don't use any rtx whose value
1239 varies as a known value.
1240 Delete a superfluous test.
1242 * config/ia64/ia64.c (maybe_rotate): New function, broken out of
1244 (ia64_sched_reorder): Call maybe_rotate; also rotate after
1245 scheduling a stop bit.
1246 (ia64_emit_nops): Correctly handle ASMs.
1248 2001-03-15 Mark Mitchell <mark@codesourcery.com>
1250 * varasm.c (assemble_variable): Use DECL_RTL_SET_P.
1252 2001-03-15 Neil Booth <neil@daikokuya.demon.co.uk>
1254 * cpp.texi: Update documentation for -include and -imacros.
1255 * cppfiles.c (struct include_file): Remove "defined" memeber.
1256 (find_or_create_entry): Make a copy of the file name, and
1258 (open_file): Update to ensure we use the simplified filename.
1259 (stack_include_file): Don't set search_from.
1260 (cpp_included): Don't simplify the path name here.
1261 (find_include_file): New prototype. Call search_from to
1262 get the start of the "" include chain. Don't simplify the
1264 (_cpp_execute_include): New prototype. Move diagnostics to
1265 do_include_common. Update.
1266 (_cpp_pop_file_buffer): Don't set defined.
1267 (search_from): New prototype. Use the preprocessor's cwd
1268 for files included from the command line.
1269 (read_name_map): Don't simplify the pathname here.
1270 * cpphash.h (enum include_type): New.
1271 (struct buffer): Delete search from. New search_cached.
1272 (_cpp_execute_include): Update prototype.
1273 * cppinit.c (do_includes): Use _cpp_execute_include.
1274 * cpplib.c (do_include_common): New function.
1275 (do_include, do_include_next, do_import): Use it.
1277 2001-03-14 Mark Mitchell <mark@codesourcery.com>
1279 * varasm.c (assemble_alias): Use DECL_ASSEMBLER_NAME, not the
1280 contents of the RTL, to determine the name of the object.
1282 2001-03-14 Mark Mitchell <mark@codesourcery.com>
1284 * tree.h (DECL_RTL): Allocate RTL lazily.
1285 (SET_DECL_RTL): New macro.
1286 (DECL_RTL_SET_P): Likewise.
1287 (COPY_DECL_RTL): Likewise.
1288 (DECL_RTL_IF_SET): Likewise.
1289 * varasm.c (make_decl_rtl): Add assertions about the kind of
1290 declaration we are processing.
1291 * c-decl.c (duplicate_decls): Use COPY_DECL_RTL, DECL_RTL_SET_P, etc.
1292 (start_decl): Likewise.
1293 (finish_decl): Likewise.
1294 * c-semantics.c (emit_local_var): Likewise.
1295 * calls.c (expand_call): Likewise.
1296 * dbxout.c (dbxout_symbol): Likewise.
1297 * emit-rtl.c (unshare_all_rtl): Likewise.
1298 (unshare_all_decls): Likewise.
1299 (reset_used_decls): Likewise.
1300 * expr.c (store_constructor): Likewise.
1301 (safe_from_p): Likewise.
1302 (expand_expr): Likewise.
1303 * function.c (put_var_into_stack): Likewise.
1304 (instantiate_decls_1): Likewise.
1305 (assign_parms): Likewise.
1306 (expand_function_start): Likewise.
1307 (expand_function_end): Likewise.
1308 * ggc-common.c (gcc_mark_trees): Likewise.
1309 * integrate.c (function_cannot_inline_p): Likewise.
1310 (copy_decl_for_inlining): Likewise.
1311 (expand_inline_function): Likewise.
1312 (integrate_parm_decls): Likewise.
1313 (integrate_decl_tree): Likewise.
1314 * print-tree.c (print_node): Likewise.
1315 * reg-stack.c (stack_result): Likewise.
1316 * stmt.c (label_rtx): Likewise.
1317 (expand_return): Likewise.
1318 (expand_decl): Likewise.
1319 (expand_decl_cleanup): Likewise.
1320 (expand_anon_union_decl): Likewise.
1321 * toplev.c (check_global_declarations): Likewise.
1322 (rest_of_decl_compilation): Likewise.
1323 * tree.c (simple_cst_equal): Likewise.
1324 * objc/objc-act.c (generate_static_references): Likewise.
1326 2001-03-14 Zack Weinberg <zackw@stanford.edu>
1328 * aclocal.m4 (gcc_AC_C_CHARSET, gcc_AC_C_COMPILE_BIGENDIAN,
1329 gcc_AC_C_FLOAT_FORMAT): New macros.
1330 * configure.in: Add AC_PROG_CPP after CC tests;
1331 gcc_AC_C_CHARSET and gcc_AC_C_FLOAT_FORMAT after the sizeof
1332 tests; and gcc_AC_C_COMPILE_BIGENDIAN after gcc_AC_C_CHAR_BIT.
1333 * configure, config.in: Regenerate.
1335 * config/a29k/xm-a29k.h, config/arc/xm-arc.h,
1336 config/arm/xm-arm.h, config/c4x/xm-c4x.h,
1337 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
1338 config/i370/xm-linux.h, config/i370/xm-oe.h,
1339 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
1340 config/m68k/xm-m68k.h, config/mips/xm-mips.h,
1341 config/pa/xm-linux.h, config/pa/xm-pa.h,
1342 config/rs6000/xm-lynx.h, config/rs6000/xm-mach.h,
1343 config/rs6000/xm-rs6000.h, config/rs6000/xm-sysv4.h,
1344 config/sparc/xm-sparc.h, config/vax/xm-vax.h,
1345 config/we32k/xm-we32k.h: Delete.
1347 * config/i370/xm-mvs.h, config/m88k/m88k.h,
1348 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
1349 config/vax/xm-vms.h: Don't define any of:
1350 HOST_FLOAT_FORMAT, HOST_EBCDIC, HOST_WORDS_BIG_ENDIAN
1352 * config/rs6000/aix.h: Define COLLECT_EXPORT_LIST here.
1354 * config.gcc: Remove references to deleted files.
1355 (i370-*-opened*): Use i370/xm-mvs.h (which now defines only
1356 FATAL_EXIT_CODE, which is the same between oe and mvs).
1358 2001-03-14 DJ Delorie <dj@redhat.com>
1359 Vladimir Makarov <vmakarov@redhat.com>
1361 * config/i960/i960.c (i960_function_prologue): Compute size of
1362 frame according to number of registers actually saved there.
1364 2001-03-14 Richard Henderson <rth@redhat.com>
1366 * expr.c (emit_move_insn_1): Fix else if around #endif.
1368 Wed Mar 14 22:39:12 CET 2001 Jan Hubicka <jh@suse.cz>
1371 * md.texi (machine constraints): Document 'Q', 'R', 'e' and 'Z'
1374 Wed Mar 14 22:26:10 CET 2001 Jan Hubicka <jh@suse.cz>
1376 * i386.c (ix86_cmodel_string, ix86_cmodel): Define.
1377 (override_options): Parse cmodel string.
1378 (x86_64_sign_extended_value, x86_64_zero_extended_value): New.
1379 * i386.h (TARGET_OPTIONS): Add "cmodel".
1380 (EXTRA_CONSTRAINT): Recognize 'e' and 'Z'.
1382 (ix86_cmodel_string, ix86_cmodel): Declare.
1384 Wed Mar 14 22:26:54 CET 2001 Jan Hubicka <jh@suse.cz>
1387 * i386.h (GENERAL_REG_P): Add missing REG_P.
1389 2001-03-14 Laurynas Biveinis <lauras@softhome.net>
1391 * configure.in: Use $gcc_cv_as instead of $as.
1392 * configure: Regenerated.
1394 2001-03-14 Neil Booth <neil@daikokuya.demon.co.uk>
1396 * cppfiles.c (stack_include_file): Only increase the include
1397 count if we actually process the file properly, as opposed
1398 to treating it as length zero. Only call read_include_file
1399 if not DO_NOT_REREAD. Handle the -H include file output
1401 (read_include_file): Remove now redundant DO_NOT_REREAD check.
1402 (cpp_included, find_include_file): Simplify pathnames after
1403 remapping them. If remapping, don't use the remapped file
1404 name's buffer as our scratch buffer.
1405 (cpp_pop_file_buffer): Replace the multiple include macro
1406 only if it isn't yet set.
1407 (read_name_map): Simplify remapped names when reading in.
1408 (remap_filename): Move code to code path that uses it.
1409 (_cpp_simplify_pathname): Return the input pointer.
1410 * cpphash.h (_cpp_simplify_pathname): Update prototype.
1412 2001-03-14 Mark Mitchell <mark@codesourcery.com>
1414 * expr.c (expand_expr): Revove bogus conditional.
1416 Wed Mar 14 19:29:50 CET 2001 Jan Hubicka <jh@suse.cz>
1418 * expr.c (emit_move_insn_1): Guard PUSH_ROUNDING use by ifdef.
1420 2001-03-14 Jakub Jelinek <jakub@redhat.com>
1422 * reg-stack.c (stack_result): Unconditionally use
1423 FUNCTION_OUTGOING_VALUE resp. FUNCTION_VALUE.
1425 Wed Mar 14 16:36:25 CET 2001 Jan Hubicka <jh@suse.cz>
1427 * expr.c (emit_move_insn_1): Split push of complex value when
1428 no suitable push instruction exist.
1430 * i386.md (QImode move/add/shift patterns): Use ANY_QI_REG_P
1431 instead of QI_REG_P.
1433 Tue Mar 13 22:22:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1435 * alias.c (handled_component_p, can_address_p): New functions.
1436 (get_alias_set): Use them.
1438 2001-03-13 Jim Wilson <wilson@redhat.com>
1440 * config/ia64/ia64.c (find_gr_spill): Subtract frame_pointer_needed
1441 from 80 in try_locals code.
1442 (ia64_expand_prologue): Add comment pointing to find_gr_spill change.
1444 2001-03-13 Zack Weinberg <zackw@stanford.edu>
1446 * aclocal.m4 (gcc_AC_COMPILE_CHECK_SIZEOF, gcc_AC_C_CHAR_BIT,
1447 gcc_AC_C_LONG_LONG): New.
1448 * configure.in: Use them. Probe the size of short, int, long,
1449 and long long/__int64 if we have them. Move all the AC_C_*
1450 checks together, except gcc_AC_C_CHAR_BIT which has to go
1451 after AC_CHECK_HEADERS(limits.h).
1452 Take hwint.h out of host_xm_file and build_xm_file.
1454 * hwint.h: Unconditionally define HOST_BITS_PER_CHAR,
1455 HOST_BITS_PER_SHORT, HOST_BITS_PER_INT, HOST_BITS_PER_LONG,
1456 and HOST_BITS_PER_LONGLONG in terms of SIZEOF_* and CHAR_BIT.
1457 Move the HOST_WIDEST_INT setup logic here from system.h.
1458 Provide HOST_WIDEST_INT even if HOST_BITS_PER_LONGLONG is not
1460 * system.h: Include hwint.h after limits.h. HOST_WIDEST_INT
1461 is now handled by hwint.h.
1463 * config/alpha/xm-alpha-interix.h, config/alpha/xm-vms.h,
1464 config/c4x/xm-c4x.h, config/i370/xm-oe.h,
1465 config/ia64/xm-ia64.h: Don't define any of:
1466 HOST_BITS_PER_LONG, HOST_BITS_PER_CHAR, HOST_BITS_PER_SHORT,
1467 HOST_BITS_PER_LONGLONG.
1469 * config/alpha/xm-alpha.h, config/dsp16xx/xm-dsp16xx.h,
1470 config/h8300/xm-h8300.h, config/mips/iris6.h,
1471 config/mn10200/xm-mn10200.h, config/pa/xm-pa64hpux.h,
1472 config/sparc/xm-sp64.h: Delete.
1473 * config.gcc: Remove references to deleted files.
1475 * config/arm/xm-arm.h, config/mips/xm-mips.h: Don't define
1476 HOST_FLOAT_FORMAT to IEEE_FLOAT_FORMAT.
1477 * config/i370/xm-linux.h: Clarify floating-point situation in
1480 2001-03-13 Neil Booth <neil@daikokuya.demon.co.uk>
1482 * cppfiles.c (NO_INCLUDE_PATH): New macro.
1483 (find_include_file): Decide here which part of the include
1484 chain to start the search. Complain about an empty include
1485 chain in all cases apart from an abolsute file name.
1486 (_cpp_execute_include): Don't choose the search chain here.
1487 Don't call handle_missing_include in the case of an empty
1489 (_cpp_compare_file_date): Don't choose the search chain here.
1490 * cpplib.c (do_include_next): Move the in-main-file diagnostic
1491 here from _cpp_execute_include. Behave like #include if
1492 we're in the main file.
1494 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1496 * system.h (malloc, realloc, calloc, strdup): Only poison these
1497 tokens when IN_GCC is defined.
1499 Tue Mar 13 14:38:44 CET 2001 Jan Hubicka <jh@suse.cz>
1501 * i386.md (abs?f expander): Support SSE case.
1502 (abd?f_if): Add new "USE"; add splitters.
1504 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1506 * cpp.texi (poison): Explain the macro expansion exception.
1508 2001-03-13 Jakub Jelinek <jakub@redhat.com>
1510 * expr.c (store_expr): Add dont_store_target. If temp is already in
1511 target before copying to reg, don't store it into target again.
1513 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
1515 * cppinternals.texi: Update for file handling.
1517 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
1519 * emit-rtl.c (remove_unnecessary_notes): Reverse Richard Kenner's
1520 2001-02-24 which broke building the Java library.
1521 * function.c (identify_blocks): Likewise.
1522 (all_blocks): Likewise.
1523 * integrate.c (integrate_decl_tree): Likewise.
1524 * print-tree.c (print_node): Likewise.
1525 * tree.h (BLOCK_NUMBER): Likewise.
1526 (struct tree_block): Likewise.
1528 2001-03-12 David Edelsohn <edelsohn@gnu.org>
1530 * rs6000/aix51.h (CPP_SPEC, CPLUSPLUS_CPP_SPEC): Fix typo in
1531 __WCHAR_TYPE__ definition.
1532 (WCHAR_TYPE_SIZE): #undef before #define.
1534 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
1536 * cppfiles.c: Update comments.
1537 (destroy_include_file_node): Rename destroy_node.
1538 (find_or_create_entry): New function.
1539 (open_file, _cpp_fake_include): Use it.
1540 (handle_missing_header): New function, broken out of
1541 _cpp_execute include. Don't segfault if there is no
1542 system or quoted path.
1543 (_cpp_execute_include): Use handle_missing_header.
1545 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
1547 * jump.c (reversed_comparison_code_parts): Reverse Jan Hubricka's
1548 2001-02-28 patch because it breaks arm-linux and mips-sgi-irix6.5.
1550 Mon Mar 12 14:05:32 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1552 * flow.c (insn_dead_p): Don't consider two memrefs equivalent
1553 unless anti_dependence says they are.
1554 * alias.c (objects_must_conflict): If neither has a type specified,
1557 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
1558 David Billinghurst <David.Billinghurst@riotinto.com>
1560 * config/mips/iris5.h: Change WCHAR_TYPE to int.
1562 Mon Mar 12 16:32:21 CET 2001 Jan Hubicka <jh@suse.cz>
1564 * i386.md (trunctfdf2_2): Rename missnamed pattern.
1565 (*_one_bit): Remove type on the match_operand in attributes.
1567 Mon Mar 12 16:27:56 CET 2001 Jan Hubicka <jh@suse.cz>
1569 * i386.c: Commit forgotten hunk in previous patch.
1570 (regclass_map): Add extended registers.
1571 (dbx_register_map): Add missing frame register.
1573 Mon Mar 12 15:41:08 CET 2001 Jan Hubicka <jh@suse.cz>
1575 * i386.md (all XFmode patterns except swapxf): Disable for 64bit.
1577 * i386.md (x86_sahf_1): Disable for 64bit.
1578 (popsi*, pophi*): Likewise.
1579 (pushqi, pushhi): Likewise.
1580 (movdi, pushdi): Likewise.
1581 (zero extend DImode splitter): Likewise.
1582 (adddi, minusdi splitter): Likewise.
1583 (umulsidi): Likewise.
1585 (mulsidi): Disable for 64bit
1586 (lshift:DI/ashift:DI): Disable for 64bit.
1587 (loop patterns): Likewise.
1588 (call_pop, call_value_pop expanders and patterns): Likewise.
1589 (prologue_get_pc): Likewise.
1591 (fcmovDI pattern and splitter): Likewise.
1592 (movdfcc_1_rex64): New.
1594 Mon Mar 12 15:16:36 CET 2001 Jan Hubicka <jh@suse.cz>
1596 * i386.h (VALID_FP_MODE_P): XFmode is invalid on x86_64.
1597 (MODES_TIEABLE_P): QImodes and DImodes are tiable on x86_64.
1598 (HARD_REGNO_CALLER_SAVE_MODE): Save QImodes as QImodes for x86_64.
1599 (STATIC_CHAIN_REGNUM): Set to r10 for x86_64.
1600 (PIC_OFFSET_TABLE_REGNUM): Set to INVALID_REGNUM for x86_64.
1601 (LIMIT_RELOAD_CLASS): Avoid limiting of QImodes on x86_64.
1602 (SECONDARY_OUTPUT_RELOAD_CLASS): No need to QImodes.
1603 (PUSH_ROUNDING): x86_64 rounds to 64bits.
1604 (CONSTANT_ADDRESS_P): Accept CONST_DOUBLE.
1605 (REGPARM_MAX): Set to 6 for x86_64.
1606 (SSE_REGPARM_MAX): Set to 16 for x86_64.
1607 * i386.c (hard_regno_mode_ok): QImodes can be in all general purpose
1610 * (patterns that does use upper halves): Update constraints
1611 'q' to 'Q' and 'r' to 'R'.
1612 (cmpqi_ext_1): Disable for 64bit.
1613 (cmpqi_ext_3_insn): Likewise.
1614 (movqi_extzv_1): Likewsie.
1615 (addqi_ext_1): Liekwsie
1616 (testqi_ext_1): Liekwsie
1617 (andqi_ext_1): Liekwsie
1618 (xorqi_ext_1): Liekwsie
1619 (cmpqi_ext_1_rex64): New.
1620 (cmpqi_ext_3_insn_rex64): Likewise.
1621 (movqi_extzv_1_rex64): Likewsie.
1622 (addqi_ext_1_rex64): Liekwsie
1623 (testqi_ext_1_rex64): Liekwsie
1624 (andqi_ext_1_rex64): Liekwsie
1625 (xorqi_ext_1_rex64): Liekwsie
1627 2001-03-11 Zack Weinberg <zackw@stanford.edu>
1629 * configure.in: Move check for unsigned enumerated bitfields
1630 to macro in aclocal.m4. Disable it for now.
1631 * configure, config.in: Regenerate.
1632 * system.h: Don't do anything with ONLY_INT_FIELDS. Use the
1633 unsigned-int form of ENUM_BITFIELD() unless being compiled by GCC.
1634 * varasm.c (struct rtx_const): Use ENUM_BITFIELD(). Move enum
1635 kind above its first use.
1637 * config/xm-interix.h, config/alpha/xm-alpha.h,
1638 config/i370/xm-linux.h, config/i386/xm-beos.h,
1639 config/i386/xm-mingw32.h, config/mips/xm-mips.h,
1640 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
1641 config/rs6000/xm-beos.h, config/rs6000/xm-sysv4.h,
1642 Don't define ONLY_INT_FIELDS under any circumstances.
1644 * config/pa/xm-pa.h: Don't define __BSD_NET2__.
1646 * config/pa/xm-pahpux.h, config/pa/xm-papro.h,
1647 config/sparc/xm-sysv4.h: Delete - now identical with some
1649 * config.gcc (hppa targets): Replace xm-pahpux.h and
1650 xm-papro.h with implicit xm-pa.h.
1651 (sparc targets): Replace xm-sysv4.h with implicit or explicit
1654 2001-03-12 Aldy Hernandez <aldyh@redhat.com>
1656 * reload1.c (reload_cse_simplify): Call reload_cse_simplify_set
1657 before reload_cse_noop_set_p.
1659 2001-03-11 Zack Weinberg <zackw@stanford.edu>
1661 * config.gcc: Where xm-host.h used to include another
1662 xm-host.h, list the nested header directly in xm_file. Remove
1663 references to deleted files. Can now use sparc/xm-sp64.h for
1666 * config/xm-linux.h, config/arm/xm-linux.h,
1667 config/i386/xm-dos.h, config/i386/xm-gnu.h,
1668 config/i386/xm-linux.h, config/i386/xm-openbsd.h,
1669 config/i860/xm-fx2800.h, config/m68k/xm-atari.h,
1670 config/m68k/xm-linux.h, config/m68k/xm-sun3.h,
1671 config/sparc/xm-linux.h, config/sparc/xm-sysv4-64.h:
1674 * config/alpha/xm-alpha-interix.h: Don't include alpha/xm-alpha.h.
1675 * config/mips/xm-iris5.h: Don't include mips/xm-mips.h. Don't
1676 bother to wrap #undef in #ifdef.
1677 * config/pa/xm-linux.h, config/rs6000/xm-sysv4.h:
1678 Don't include xm-linux.h.
1679 * config/sparc/xm-sp64.h: Don't include sparc/xm-sparc.h.
1681 * configure.in: Wrap regexps using [] in changequote block.
1682 Use expr : not echo | grep. Simplify regexps.
1683 * configure: Regenerate.
1685 56 xm-files remain, 22 xm-arch.
1687 2001-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1689 * mips-tfile.c: Cast arg to PTR when specifier is HOST_PTR_PRINTF.
1690 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
1691 (local_index, local_rindex): Delete, use strchr/strrchr instead.
1692 (copy_object): Fix format specifier vs argument mismatch.
1694 * mips-tdump.c: Make local functions static.
1695 (rindex): Don't #undef.
1696 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
1697 (fatal, fancy_abort): Delete.
1698 (read_seek): Avoid signed/unsigned compare.
1700 Sun Mar 11 17:01:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1702 * combine.c (try_combine): Fix error in change to try original
1704 (gen_rtx_combine): Do same as gen_rtx for now.
1706 2001-03-11 Zack Weinberg <zackw@stanford.edu>
1708 * configure.in: AC_SUBST xm_defines.
1709 * configure: Regenerate.
1710 * Makefile.in: Set DEFINES=$(xm_defines) when building
1713 2001-03-11 Neil Booth <neil@daikokuya.demon.co.uk>
1715 * cppfiles.c (INCLUDE_LEN_FUDGE, ENOMEM): Delete.
1716 (cpp_included, find_include_file): Update.
1717 (_cpp_compare_file_date): Make else unconditional.
1719 2001-03-10 kaz Kojima <kkojima@rr.iij4u.or.jp>
1721 * config/sh/sh.h (LEGITIMATE_PIC_OPERAND_P): Defined.
1723 2001-03-10 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
1725 * config/sh/sh.md (umulhisi3_i, mulhisi3_i): Fix mnemonics.
1726 * config/sh/lib1funcs.asm (mulsi3): Convert mulu to mulu.w.
1728 Sat Mar 10 22:42:05 2001 Alexandre Oliva <aoliva@redhat.com>
1730 * tree.c (build_common_tree_nodes_2): Don't copy va_list_type_node
1731 if it's a record type.
1733 Sat Mar 10 17:52:54 2001 Christopher Faylor <cgf@cygnus.com>
1735 * config/i386/cygwin.h: Make ../w32api a system directory. Reorganize
1736 mingw includes slightly.
1738 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1740 * system.h (malloc, realloc, calloc, strdup, bzero, bcmp, rindex):
1741 #undef token before poisoning it.
1743 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1745 * alpha.c (check_float_value): Use memcpy, not bcopy.
1747 * m32r.c (m32r_sched_reorder): Likewise.
1749 * vax.c (check_float_value): Likewise.
1751 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
1753 * toplev.c (file_name_nondirectory): Remove.
1754 * toplev.h: Similarly.
1755 * dwarf2out.c (compute_section_prefix): Use lbasename instead
1756 of file_name_nondirectory.
1758 Sat Mar 10 10:36:45 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1760 * mips-tdump.c (read_seek): Call xmalloc, not malloc.
1761 * mips-tfile.c: Don't #undef rindex; not used.
1763 Sat Mar 10 14:34:59 CET 2001 Jan Hubicka <jh@suse.cz>
1765 * i386.h (DBX_REGISTER_NUMBER): Return proper values for 64bits.
1766 (dbx64_register_map): Declare.
1767 (RETURN_ADDR_RTX): Fix for 64bit.
1768 (DWARF_FRAME_RETURN_COLUMN): Set to 16 for 64bit.
1769 (INCOMING_FRAME_SP_OFFSET): Set to 8.
1770 * i386.c (dbx64_register_map): New global array.
1771 * beos-elf.h, freebsd.h, i386-interix.h, i386elf.h,
1772 linux.h (DBX_REGISTER_REGNUMBER): Use dbx64_register_map
1775 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
1777 * cppfiles.c (search_from): Use lbasename.
1778 * mkdeps.c (deps_add_default_target): Use lbasename.
1780 2001-03-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1782 * fixinc/server.c (load_data, run_shell): Use xmalloc, xrealloc &
1783 xcalloc in lieu of malloc, realloc & calloc.
1785 * gencheck.c (xmalloc): Use really_call_malloc, not malloc.
1787 * gengenrtl.c (xmalloc): Likewise.
1789 * gensupport.c (xcalloc, xrealloc, xmalloc): Use the
1790 really_call_* memory allocation routines.
1792 * stmt.c (check_for_full_enumeration_handling): Use
1793 really_call_calloc, not calloc.
1795 * system.h (really_call_malloc, really_call_calloc,
1796 really_call_realloc): Define.
1797 (malloc, realloc, calloc, strdup, bzero, bcmp, rindex): Poison.
1799 Fri Mar 9 18:39:19 2001 Jeffrey A Law (law@cygnus.com)
1801 * pa.md (builtin_longjmp): Rework slightly to work for PA64 too.
1803 2001-03-09 Nicola Pero <n.pero@mi.flashnet.it>
1805 * configure: Rebuilt.
1806 * configure.in: Only use `lang_requires' for languages athat are
1809 2001-03-09 Joseph S. Myers <jsm28@cam.ac.uk>
1811 * invoke.texi: Fix typo.
1812 * gcc.1: Regenerate.
1814 2001-03-09 Zack Weinberg <zackw@stanford.edu>
1816 * configure.in: Prune nonexistent files from build_xm_file,
1817 xm_file, and host_xm_file lists. Warn unless they're
1819 Don't generate *config.h here.
1820 AC_SUBST all variables needed to generate *config.h.
1821 * configure: Regenerate.
1822 * mkconfig.sh: New helper script, from code removed from
1824 * Makefile.in: Zap all MALLOC variables - no longer used
1825 anywhere, and malloc.c doesn't exist.
1826 Substitute in variables needed to generate *config.h.
1827 Stop lying about the dependencies contained in CONFIG_H and
1829 (HCONFIG_H, TCONFIG_H, TM_P_H): New variables.
1830 (config.h, hconfig.h, tconfig.h, tm_p.h, cs-config.h,
1831 cs-hconfig.h, cs-tconfig.h, cs-tm_p.h): New rules.
1832 (all .o): Add dependencies on $(HCONFIG_H), $(TCONFIG_H),
1833 $(TM_P_H), etc. as appropriate.
1835 * config.gcc: Zap references to deleted files.
1836 * ggc-none.c: Don't include rtl.h or tm_p.h.
1838 * config/i386/xm-beos.h, config/i386/xm-dgux.h,
1839 config/i386/xm-djgpp.h, config/i386/xm-dos.h,
1840 config/i386/xm-gnu.h, config/i386/xm-i386-interix.h,
1841 config/i386/xm-linux.h, config/i386/xm-linux.h,
1842 config/i386/xm-next.h, config/i386/xm-openbsd.h,
1843 config/i386/xm-sun.h, config/i386/xm-sysv3.h:
1844 Don't include i386/xm-i386.h.
1846 * config/elxsi/xm-elxsi.h, config/i386/xm-bsd386.h,
1847 config/i386/xm-i386.h, config/i860/xm-i860.h,
1848 config/i960/xm-i960.h, config/mcore/xm-mcore.h,
1849 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
1850 config/pj/xm-pj.h, config/sh/xm-sh.h, config/v850/xm-v850.h:
1851 Delete (empty except comments, #includes of other deleted
1852 files, and macros used nowhere).
1854 Fri Mar 9 20:05:27 CET 2001 Jan Hubicka <jh@suse.cz>
1856 * i386.h (MAX_WCHAR_TYPE_SIZE): New constant to keep tradcpp
1857 independent on TARGET_FLAGS.
1859 Fri Mar 9 19:52:52 CET 2001 Jan Hubicka <jh@suse.cz>
1861 * i386.h (FIRST_PSEUDO_REGISTER): Set to 53.
1863 (FIXED_REGISTERS, CALL_USED_REGISTERS, REG_ALLOC_ONES): Add
1865 (CONDITIONAL_REGISTER_USAGE): Set proper values according to
1867 (FIRST_REX_INT_REG, LAST_REX_INT_REG, FIRST_REX_SSE_REG,
1868 LAST_REX_SSE_REG): define.
1869 (enum reg_class): Add 'LEGACY_REGS'
1870 (REG_CLASS_CONTENTS): Likewise; add extended registers.
1871 (SSE_REGNO_P): Recognize extended registers.
1872 (ANY_QI_REG_P, REX_INT_REGNO_P, REX_INT_REG_P): New.
1873 (REG_CLASS_FROM_LETTER): Add 'R' and 'Q'.
1874 (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P,
1875 REG_OK_FOR_BASE_NONSTRICT_P): Recognize REX registers.
1876 (REG_OK_FOR_STRREG_NONSTRICT_P, REG_OK_FOR_STRREG_STRICT_P,
1877 REG_OK_FOR_STRREG_P): Remove.
1878 (HI_REGISTER_NAMES): Add extended registers.
1879 (ADDITIONAL_REGISTER_NAMES): Likewise.
1880 (QI_REGISTER_NAMES): Add 8bit extended registers.
1881 (DEBUG_REG): Support extended registers.
1882 * i386.c (regclass_map): Add extended registers.
1883 (dbx_register-map): Likewise.
1884 (svr4_dbx_register_map): Likewise.
1885 (print_reg): Support extended registers.
1886 (print_operand): Support 64bit operands.
1888 Fri Mar 9 19:37:46 CET 2001 Jan Hubicka <jh@suse.cz>
1890 * i386.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Set to 128bit for x86_64
1891 (BOOL_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
1892 FLOAT_TYPE_SIZE, LONG_TYPE_SIZE, MAX_LONG_TYPE_SIZE,
1893 DOUBLE_TYPE_SIZE, LONG_LONG_TYPE_SIZE): New constants.
1894 (BITS_PER_WORD, UNITS_PER_WORD, POINTER_SIZE, PARM_BOUNDARY,
1895 STACK_BOUNDARY): Set properly for 64bits.
1896 (MAX_BITS_PER_WORD, MIN_UNITS_PER_WORD): New constants.
1897 (EMPTY_FIELD_BOUNDARY): Define using BITS_PER_WORD.
1898 (BIGGEST_FIELD_ALIGNMENT): Set to 128 for 64bits.
1899 (MOVE_MAX): Set to 16.
1900 (MOVE_MAX_PIECES): 8 for 64bit.
1901 (Pmode): Set to SImode.
1903 Fri Mar 9 09:00:36 2001 Mike Stump <mrs@wrs.com>
1905 * cselib.c (hash_rtx): Ensure that hash isn't zero upon return.
1907 Fri Mar 9 17:38:08 CET 2001 Jan Hubicka <jh@suse.cz>
1909 * i386.h (mask_64bit): New constant.
1910 (target_64bit): New macro.
1911 (target_options): Add '64'/'32'
1912 (target_default): Define.
1913 * cygwin.h freebsd-aout.h i386-interix.h i386.h i386elf.h isc.h
1914 isccoff.h netbsd.h next.h openbsd.h p sco.h sco5.h scodbx.h sequent.h
1915 unix.h win32.h (TARGET_DEFAULT): Rename to TARGET_SUBTARGET_DEFAULT.
1917 Thu Mar 8 23:36:56 2001 Jeffrey A Law (law@cygnus.com)
1919 * config/pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Disable.
1921 Thu Mar 8 23:29:37 2001 John Wehle (john@feith.com)
1923 * rtlanal.c (rtx_varies_p): Check operand 0 of a
1924 LO_SUM unless for_alias is set.
1926 2001-03-08 Stan Shebs <shebs@apple.com>
1928 * objc/objc-act.c: Fix old typos in comments, add comments for
1930 (hash_init): Fix file name in error message.
1931 (hash_enter): Ditto.
1932 (hash_add_attr): Ditto.
1933 (continue_class): Ditto.
1935 2001-03-08 Bruce Korb <bkorb@gnu.org>
1937 gcc.c(main): ensure SIGCHLD handling is set to SIG_DFL so that
1938 wait4() can receive the signal.
1940 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1942 * fixinc/inclhack.def (AAB_dgux_int_varargs): Don't use HTML
1944 * fixinc/fixincl.x: Regenerate.
1946 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1948 * fixinc/inclhack.def (AAA_standards): Undo <standards.h> breakage
1950 * fixinc/fixincl.x: Regenerate.
1952 2001-03-08 Richard Henderson <rth@redhat.com>
1954 * configure.in (HAVE_AS_LEB128): New assembler check.
1955 * configure, config.in: Rebuilt.
1957 Thu Mar 8 19:54:04 CET 2001 Jan Hubicka <jh@suse.cz>
1959 * reg-stack.c (move_for_stack_reg): Avoid non-poping fst for
1962 2001-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1964 * config/ns32k/xm-pc532-min.h, config/we32k/xm-we32k.h: Delete
1965 references to the MAXPATHLEN macro.
1967 * config/alpha/xm-alpha.h, config/arm/xm-arm.h,
1968 config/i386/xm-cygwin.h, config/xm-linux.h: Delete references to
1971 * config/i386/xm-gnu.h, config/xm-gnu.h,
1972 config/alpha/xm-openbsd.h, config/i386/xm-openbsd.h,
1973 config/m68k/xm-openbsd.h, config/mips/xm-openbsd.h,
1974 config/sparc/xm-openbsd.h, config/xm-openbsd.h: Delete empty
1975 and/or unused files.
1977 * config.gcc: Define POSIX in xm_defines as appropriate in lieu of
1978 doing so in various xm-*.h files.
1980 Thu Mar 8 06:32:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1982 * config/i386/i386.md (clrstrsi): Call ix86_set_move_mem_attrs.
1984 2001-03-08 Alexandre Oliva <aoliva@redhat.com>
1986 * configure.in (enable_shared): Support per-package shared-library
1988 * configure: Rebuilt.
1990 2001-03-07 David Edelsohn <edelsohn@gnu.org>
1992 * rs6000.md (cr logic): Add original POWER mnemonic alternative
1993 for crnot. Set operands[5] in splitter.
1995 2001-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1997 * config/i370/xm-mvs.h, config/i370/xm-oe.h,
1998 config/i386/xm-beos.h, config/i386/xm-mingw32.h,
1999 config/m88k/xm-m88k.h, config/mips/xm-iris6.h,
2000 config/mips/xm-openbsd.h, config/pa/xm-pa64hpux.h,
2001 config/pa/xm-pahpux.h, config/rs6000/xm-beos.h,
2002 config/rs6000/xm-darwin.h, config/rs6000/xm-mach.h,
2003 config/rs6000/xm-rs6000.h, config/xm-interix.h: Delete references
2006 * config/vax/xm-vaxv.h, config/a29k/xm-unix.h,
2007 config/i370/xm-i370.h, config/i386/xm-dgux.h,
2008 config/i386/xm-sun.h, config/i386/xm-sysv3.h,
2009 config/m68k/xm-tower.h, config/m68k/xm-aux.h,
2010 config/m68k/xm-hp320.h, config/m68k/xm-amix.h,
2011 config/m68k/xm-altos3068.h, config/m68k/xm-mot3300.h,
2012 config/m68k/xm-m68kv.h, config/m88k/xm-openbsd.h,
2013 config/mips/xm-nws3250v4.h, config/mips/xm-sysv.h,
2014 config/mips/xm-iris3.h, config/mips/xm-iris4.h, config/xm-svr3.h,
2015 config/xm-svr4.h, config/sparc/xm-pbd.h, config/clipper/xm-clix.h:
2016 Delete unused and/or empty files.
2018 * config.gcc: Define USG in xm_defines as appropriate. Define
2019 POSIX in lieu of xm-svr4.h. Delete all references to the SVR3
2020 macro. Remove deleted xm-* files from $xm_files variable.
2022 2001-03-07 Tom Tromey <tromey@redhat.com>
2024 * configure: Rebuilt.
2025 * configure.in: Allow config-lang.in to set `lang_requires' to list
2026 of other required languages.
2028 2001-03-07 Andrew MacLeod <amacleod@redhat.com>
2030 * config/a29k/a29k.c (print_operand): Free a29k_last_prologue_insn
2032 (output_prologue): Use xmalloc not oballoc.
2033 (output_epilog): Free a29k_first_epilogue_insn when finished.
2034 * confif/a29k/a29k.h (PREDICATE_CODES): Remove shift_constant_operand.
2036 2001-03-07 Brad Lucier <lucier@math.purdue.edu>
2038 * builtins.c (expand_builtin_mathfn): Check
2039 flag_unsafe_math_optimizations, not flag_fast_math.
2040 (expand_builtin): Likewise
2041 * combine.c (combine_simplify_rtx): Likewise.
2042 (simplify_if_then_else): Likewise.
2043 * cse.c (fold_rtx): Likewise.
2044 * flags.h: Remove flag_fast_math. Add
2045 flag_unsafe_math_optimizations and flag_trapping_math.
2046 * fold-const.c (negate_expr): Check
2047 flag_unsafe_math_optimizations, not flag_fast_math.
2048 (invert_truthvalue): Likewise.
2049 (fold): Likewise. Before associating operands, check that
2050 code == MULT_EXPR, not code != MULT_EXPR.
2051 * ifcvt.c (noce_try_minmax): Check
2052 flag_unsafe_math_optimizations, not flag_fast_math.
2053 (noce_operand_ok): Check flag_trapping_math, not flag_fast_math.
2054 * invoke.texi: Document -funsafe-math-optimizations and
2055 -fno-trapping-math. Change documentation for -ffast-math.
2056 * jump.c (reversed_comparison_code_parts): Likewise.
2057 (rtx_equal_for_thread_p): Likewise.
2058 * optabs.c (emit_conditional_move): Likewise.
2059 * simplify-rtx.c (simplify_binary_operation): Likewise.
2060 (simplify_relational_operation): Likewise.
2061 (simplify_ternary_operation): Likewise.
2062 * toplev.c: Remove flag_fast_math. Add flag_trapping_math and
2063 flag_unsafe_math_optimizations. Remove fast-math entry from f_options.
2064 Add trapping-math and unsafe-math-optimizations entries to f_options.
2065 (set_fast_math_flags): New, sets flags for -ffast-math.
2066 (set_no_fast_math_flags): New, sets flags for -fno-fast-math.
2067 (decode_f_option): Add code to handle -ffast-math and -fno-fast-math.
2068 * toplev.h: Declare set_fast_math_flags and set_no_fast_math_flags.
2070 * config/alpha/alpha.c (alpha_emit_conditional_branch): Likewise.
2071 (alpha_emit_conditional_move): Initialize local_fast_math to
2072 flag_unsafe_math_optimizations, not flat_fast_math.
2073 * config/c4x/c4x.c (c4x_override_options): Call set_fast_math_flags
2074 instead of setting flag_fast_math to 1.
2075 * config/convex/convex.md: Check flag_unsafe_math_optimizations,
2077 * config/i386/i386.c (override_options): Likewise
2078 * config/i386/i386.md: Likewise.
2079 * config/m68k/m68k.md: Likewise.
2080 * config/mips/mips.md: Likewise.
2081 * config/rs6000/rs6000.c (validate_condition_mode): Likewise.
2082 (rs6000_generate_compare): Likewise.
2084 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
2086 * Makefile.in: Set RANLIB to @RANLIB@.
2089 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
2091 * fixinc/inclhack.def (djgpp_wchar_h): New test.
2092 * fixinc/fixincl.x: Regenerated.
2094 2001-03-07 Richard Henderson <rth@redhat.com>
2096 * config/alpha/alpha.md (call_osf_1_noreturn): New pattern.
2098 2001-03-07 Richard Henderson <rth@redhat.com>
2100 * emit-rtl.c (remove_unnecessary_notes): Verify proper nesting
2101 of block notes and exception handling notes.
2103 * lists.c (init_EXPR_INSN_LIST_cache): Don't check initialized.
2104 * toplev.c (rest_of_compilation): Call init_EXPR_INSN_LIST_cache ...
2105 (compile_file): ... here.
2107 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2109 * fixinc/Makefile.in (FIXINC_DEFS): Add -DHAVE_CONFIG_H.
2111 * fixinc/gnu-regex.c: Don't include auto-host.h since we get
2112 config.h now. Include libiberty.h to handle alloca.
2114 2001-03-06 Zack Weinberg <zackw@stanford.edu>
2116 * c-parse.in (yylexname): New function, split out of _yylex.
2117 (objc_rid_sans_at): New table.
2118 (init_reswords): Initialize it.
2119 (_yylex): Give labels clearer names. Handle CPP_ATSIGN by
2120 retrieving the next token and checking it for significance as
2121 an ObjC keyword or string constant.
2123 * cpplex.c (_cpp_lex_token): Just return CPP_ATSIGN for '@'.
2124 * cpplib.h (TTYPE_TABLE): Add CPP_ATSIGN, drop CPP_OSTRING.
2126 * c-lex.c, c-parse.in, cppmacro.c, cpplex.c: Remove references
2129 2001-03-06 Stephen L Moshier <moshier@mediaone.net>
2131 * config/m68k/m68k.c (const_uint32_operand): Accept any
2132 const_int on a 32-bit host.
2134 2001-03-06 Nicola Pero <n.pero@mi.flashnet.it>
2136 * objc/objc-act.c (init_objc): Set save_lang_status,
2137 restore_lang_status, and mark_lang_status.
2139 2001-03-06 Krister Walfridsson <cato@df.lth.se>
2141 * dwarf2asm.c (dw2_asm_output_delta): Fix smallest_mode_for_size call.
2143 2001-03-06 Neil Booth <neil@daikokuya.demon.co.uk>
2145 * cppinternals.texi: Update.
2147 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2149 * config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
2150 config/alpha/xm-alpha.h, config/arc/xm-arc.h, config/arm/xm-arm.h,
2151 config/c4x/xm-c4x.h, config/clipper/xm-clix.h,
2152 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
2153 config/dsp16xx/xm-dsp16xx.h, config/elxsi/xm-elxsi.h,
2154 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
2155 config/i370/xm-linux.h, config/i370/xm-mvs.h, config/i370/xm-oe.h,
2156 config/i386/xm-i386.h, config/i860/xm-i860.h,
2157 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
2158 config/m32r/xm-m32r.h, config/m68k/xm-m68k.h,
2159 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
2160 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
2161 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
2162 config/pa/xm-linux.h, config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
2163 config/pa/xm-pahpux.h, config/pa/xm-papro.h, config/pj/xm-pj.h,
2164 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
2165 config/rs6000/xm-lynx.h, config/rs6000/xm-rs6000.h,
2166 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
2167 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
2168 config/v850/xm-v850.h, config/vax/xm-vax.h, config/vax/xm-vms.h,
2169 config/we32k/xm-we32k.h: Delete HOST_BITS_PER_* definitions which
2170 match the defaults provided in hwint.h.
2172 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
2173 config/sparc/xm-lynx.h, config/xm-std32.h: Delete files.
2175 * config.gcc (xm_file): Don't set to files which are deleted.
2177 * hwint.h: Provide default values for HOST_BITS_PER_*. No longer
2178 guard this file against these macros being undefined.
2180 2001-03-06 Zack Weinberg <zackw@stanford.edu>
2182 * objc/objc-act.c (objc_add_static_instance): Set DECL_INITIAL
2183 and DECL_DEFER_OUTPUT on the decl we create, before calling
2184 rest_of_decl_compilation.
2186 2001-03-06 Zack Weinberg <zackw@stanford.edu>
2188 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE
2190 * configure, config.in: Regenerate.
2191 * config.gcc: Remove references to deleted files.
2193 * genattr.c, genattrtab.c, genextract.c, genoutput.c,
2194 genrecog.c, rtl.c: Do not use alloca anywhere.
2196 * Makefile.in, build-make, system.h, config/x-interix,
2197 config/x-svr4, config/xm-interix.h, config/xm-openbsd.h,
2198 config/alpha/xm-alpha.h, config/alpha/xm-vms.h,
2199 config/arc/xm-arc.h, config/arm/xm-arm.h,
2200 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
2201 config/h8300/xm-h8300.h, config/i370/x-oe,
2202 config/i370/xm-linux.h, config/i386/x-aix, config/i386/x-beos,
2203 config/i386/x-ncr3000, config/i386/x-sco5,
2204 config/i386/xm-dgux.h, config/i860/x-sysv4,
2205 config/i960/xm-i960.h, config/m32r/xm-m32r.h,
2206 config/m68k/x-crds, config/m68k/x-dpx2, config/m68k/x-hp320,
2207 config/m68k/x-hp320g, config/m69k/x-mot3300,
2208 config/m68k/x-mot3300-gas, config/m68k/xm-amix.h,
2209 config/m68k/xm-hp320.h, config/m68k/xm-m68kv.h,
2210 config/m68k/xm-mot3300.h, config/m88k/x-dolph,
2211 config/m88k/x-sysv4, config/m88k/x-tekXD88,
2212 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
2213 config/mips/x-iris, config/mips/x-iris3,
2214 config/mips/x-sni-svr4, config/mips/x-sysv,
2215 config/mips/xm-iris6.h, config/mips/xm-mips.h,
2216 config/mips/xm-nws3250v4.h, config/pa/x-hpux,
2217 config/pa/x-pa-mpeix, config/pa/xm-pa.h,
2218 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
2219 config/pa/xm-papro.h, config/romp/xm-romp.h,
2220 config/rs6000/x-aix31, config/rs6000/x-aix41,
2221 config/rs6000/x-beos, config/rs6000/x-lynx,
2222 config/rs6000/x-mach, config/rs6000/x-rs6000,
2223 config/rs6000/x-sysv4, config/rs6000/xm-rs6000.h,
2224 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
2225 config/sparc/x-sysv4, config/sparc/xm-linux.h,
2226 config/sparc/xm-pbd.h, config/sparc/xm-sparc.h,
2227 config/vax/xm-vms.h: Eradicate all references to alloca and
2230 * config/xm-alloca.h, config/clipper/x-clix,
2231 config/i386/xm-sysv4.h, config/i860/x-fx2800,
2232 config/i860/x-sysv3, config/m88k/x-sysv3,
2233 config/sparc/xm-sol2.h, config/we32k/x-we32k: Delete
2234 (contained only alloca related hacks).
2236 * config/i386/xm-beos.h, config/rs6000/xm-beos.h: Just define
2239 2001-03-05 Brad Lucier <lucier@math.purdue.edu>
2241 * invoke.texi: Document __FAST_MATH__.
2243 2001-03-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2245 * crtstuff.c: Restore include of auto-host.h.
2247 2001-03-05 Fergus Henderson <fjh@cs.mu.oz.au>
2249 Put main() in a separate file, so that the language
2250 front-end can use a different main().
2253 * toplev.c: (main): Rename as toplev_main.
2254 * toplev.h: Declare toplev_main.
2255 * Makefile.in (OBJS): add toplev.o.
2256 (BACKEND): remove toplev.o, add main.o.
2258 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
2260 * cppfiles.c (search_from): Special case the empty string.
2262 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
2264 * cppfiles.c (_cpp_execute_include): Don't make a null-terminated
2265 copy of the filename. Don't use CPP_PREV_BUFFER. Don't call
2266 strlen or strcpy; we already know the length.
2267 (_cpp_compare_file_date): Similarly.
2268 * cpphash.h (struct cpp_reader): Delete done_initialising.
2269 (CPP_PREV_BUFFER): Delete.
2270 * cppinit.c (cpp_start_read): Don't set done_initialising.
2271 * cpplex.c (parse_string): Guarantee null-termination.
2272 (_cpp_equiv_toklists): Remove.
2273 * cpplib.c (glue_header_name): Null-terminate.
2274 (do_line): Don't leak memory.
2275 * cpplib.h (BT_WEAK): Delete.
2276 * cppmain.c (cb_ident): Strings are now null-terminated.
2278 2001-03-04 Laurynas Biveinis <lauras@softhome.net>
2280 * gcc.c (convert_filename): Append executable suffix
2281 if NO_AUTO_EXE_SUFFIX is not defined.
2282 * gcc.texi: Document NO_AUTO_EXE_SUFFIX.
2283 * config/i386/djgpp.h: Define NO_AUTO_EXE_SUFFIX.
2285 2001-03-03 David O'Brien <obrien@FreeBSD.org>
2287 from 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
2288 * c-parse.gperf, c-gperf.h: Delete.
2289 (c-gperf.h was accidently re-added to the CVS repo in the rev
2290 1.16 commit by tromey)
2292 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
2294 * cpplex.c (_cpp_lex_token): Don't warn about directives in
2295 macro arguments when looking for the '('.
2296 * cppmacro.c (funlike_invocation_p): Set parsing_args to
2297 2 when really parsing arguments; 1 when looking for '('.
2298 Always restore the lexer position.
2300 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
2302 * longlong.h (umul_ppmm): Don't use a multiline string.
2304 2001-03-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
2306 * fixinc/fixlib.h (t_bool): Add identifier `t_bool' in typedef.
2307 * fixinc/server.c (read_pipe_timeout): Use enum t_bool instead of
2308 t_bool in declaration because pcc can't combine volatile with typedef
2311 Sat Mar 3 19:47:13 CET 2001 Jan Hubicka <jh@suse.cz>
2313 * i386.c (ix86_expand_fp_compare): Delay creating of scratch register
2314 until when it is really needed.
2315 (ix86_expand_compare): Update call of ix86_expand_fp_compare.
2316 * i386.h (PREDICATE_CODES): Add all codes for sse_comparison_operator
2317 * i386.md (float?i?f splitter): Don't force source operand to memory
2319 (sse_movdfcc): Fix constraint.
2320 (sse_movdfcc splitter): Handle properly the second alternative.
2322 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
2324 * cpplex.c (parse_string): Unconditionally pedwarn.
2326 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
2329 * cppexp.c (parse_number): Update.
2330 * cpplex.c (parse_string): Pedwarn if multiline string does not
2331 result from a system header's macro.
2332 * cpplib.h (sys_objmacro_p): Rename sys_macro_p.
2333 * cppmacro.c (sys_objmacro_p): Rename sys_macro_p. Return true
2334 for function-like macros too.
2335 * c-lex.c (lex_number): Update.
2337 2001-03-03 Richard Henderson <rth@redhat.com>
2339 * dwarf2out.c (output_call_frame_info): Fix augmentation length.
2341 Sat Mar 3 04:17:17 2001 J"orn Rennecke <amylaar@redhat.com>
2343 * combine.c (try_combine): If split with mode-changed scratch
2344 register didn't work, try the original mode.
2346 Sat Mar 3 03:46:47 2001 J"orn Rennecke <amylaar@redhat.com>
2348 * tm.texi: Change STRUCT_FORCE_BLK to MEMBER_TYPE_FORCES_BLK.
2349 * config/c4x/c4x.h: Likewise.
2350 * stor-layout.c (compute_record_mode): Likewise.
2351 (layout_type, case ARRAY_TYPE): Use MEMBER_TYPE_FORCES_BLK.
2353 2001-03-02 Zack Weinberg <zackw@stanford.edu>
2355 * configure.in: Kill tm.h. Include the files in the $tm_file
2356 list in all three of config.h, hconfig.h, tconfig.h, after the
2357 relevant set of xm_files. Put TARGET_CPU_DEFAULT in all
2358 three, include insn-codes.h in all three (#ifndef GENERATOR_FILE).
2359 * configure: Regenerate.
2360 * Makefile.in (clean): Don't delete tm.h.
2362 * system.h: If SUCCESS_EXIT_CODE and FATAL_EXIT_CODE are not
2363 defined, set them from EXIT_SUCCESS and EXIT_FAILURE. If
2364 those are not defined, set SEC and FEC to 0 and 1.
2365 * gcc.texi: Update to match.
2367 * crtstuff.c: Include tconfig.h, not auto-host.h and tm.h.
2368 * config/fp-bit.c, config/m68k/aux-crt2.asm,
2369 config/m68k/aux-crtn.asm, config/m68k/aux-mcount.c:
2370 Include tconfig.h, not tm.h.
2372 * config/xm-lynx.h, config/xm-std32.h,
2373 config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
2374 config/alpha/xm-alpha.h, config/arc/xm-arc.h,
2375 config/avr/xm-avr.h, config/c4x/xm-c4x.h,
2376 config/clipper/xm-clix.h, config/convex/xm-convex.h,
2377 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
2378 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
2379 config/h8300/xm-h8300.h, config/i370/xm-linux.h,
2380 config/i386/xm-i386.h, config/i860/xm-i860.h,
2381 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
2382 config/m32r/xm-m32r.h, config/m68hc11/xm-m68hc11.h,
2383 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
2384 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
2385 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
2386 config/pa/xm-linux.h, config/pa/xm-pa.h,
2387 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
2388 config/pa/xm-papro.h, config/pdp11/xm-pdp11.h,
2389 config/pj/xm-pj.h, config/romp/xm-romp.h,
2390 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
2391 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
2392 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
2393 config/v850/xm-v850.h, config/vax/xm-vax.h,
2394 config/we32k/xm-we32k.h:
2396 Don't define SUCCESS_EXIT_CODE or FATAL_EXIT_CODE.
2398 * config/i370/xm-i370.h, config/i370/xm-mvs.h,
2399 config/i370/xm-oe.h: Don't include tm.h. Don't define
2401 * config/vax/xm-vms.h: Don't include tm.h.
2403 * config/xm-lynx.h, config/avr/xm-avr.h,
2404 config/fr30/xm-fr30.h, config/pdp11/xm-pdp11.h,
2405 Delete; made empty by above changes.
2406 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
2407 config/rs6000/xm-lynx.h, config/sparc/xm-lynx.h:
2408 Don't include config/xm-lynx.h or tm.h.
2410 * config/xm-gnu.h: Don't include fcntl.h.
2411 * config/sparc/xm-lynx.h: Don't include sys/types.h and
2413 * config/clipper/xm-clix.h, config/vax/xm-vax.h: Don't define isinf.
2415 2001-03-02 Richard Henderson <rth@redhat.com>
2417 * tm.texi (File Framework): Document UNALIGNED_SHORT_ASM_OP,
2418 UNALIGNED_INT_ASM_OP, and UNALIGNED_DOUBLE_INT_ASM_OP.
2420 2001-03-02 Richard Henderson <rth@redhat.com>
2422 * Makefile.in (OBJS): Add dwarf2asm.o.
2423 * dwarf2asm.c, dwarf2asm.h: New files.
2424 * dwarf2out.c (*): Use them.
2425 (size_of_uleb128, size_of_sleb128): Remove.
2426 (output_uleb128, output_sleb128): Remove.
2427 (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Remove.
2428 (UNALIGNED_DOUBLE_INT_ASM_OP, ASM_BYTE_OP): Remove.
2429 (UNALIGNED_OFFSET_ASM_OP, UNALIGNED_WORD_ASM_OP): Remove.
2430 (FDE_LABEL, LINE_NUMBER_BEGIN_LABEL, LINE_NUMBER_END_LABEL): New.
2431 (ASM_OUTPUT_DWARF_DATA1, ASM_OUTPUT_DWARF_DELTA1): Remove.
2432 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_DELTA2): Remove.
2433 (ASM_OUTPUT_DWARF_DATA4, ASM_OUTPUT_DWARF_DELTA4): Remove.
2434 (ASM_OUTPUT_DWARF_DATA, ASM_OUTPUT_DWARF_DELTA): Remove.
2435 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_ADDR_DATA): Remove.
2436 (ASM_OUTPUT_DWARF_ADDR_DELTA, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
2437 (ASM_OUTPUT_DWARF_OFFSET4, ASM_OUTPUT_DWARF_OFFSET): Remove.
2438 (ASM_OUTPUT_DWARF_CONST_DOUBLE): Remove.
2439 (ASM_OUTPUT_DWARF_NSTRING, ASM_OUTPUT_DWARF_STRING): Remove.
2440 (dwarf2out_frame_debug): Remove unused variables.
2441 (output_loc_operands): Don't abort on 8 byte constants if
2442 host integers are wide enough.
2443 (output_symbolic_ref): Remove.
2444 (size_of_die): Don't assume 4 byte host integers.
2445 (output_line_info): Use ASM_GENERATE_INTERNAL_LABEL for begin
2447 (add_const_value_attribute) [CONST_INT]: Verify we're not doing
2448 something stupid with HOST_WIDE_INT to long truncation.
2449 [CONST_DOUBLE]: Likewise.
2451 * config/arm/conix-elf.h (UNALIGNED_WORD_ASM_OP): Remove.
2452 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
2453 * config/arm/unknown-elf.h: Likewise.
2454 * config/rs6000/aix.h (UNALIGNED_SHORT_ASM_OP): New.
2455 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): New.
2456 (ASM_OUTPUT_DWARF_ADDR_VAR, ASM_OUTPUT_DWARF_DELTA_VAR): Remove.
2457 (ASM_OUTPUT_DWARF_DELTA2, ASM_OUTPUT_DWARF_DELTA4): Remove.
2458 (ASM_OUTPUT_DWARF_DELTA, ASM_OUTPUT_DWARF_ADDR_DELTA): Remove.
2459 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_DATA4): Remove.
2460 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_OFFSET4): Remove.
2461 (ASM_OUTPUT_DWARF_OFFSET): Remove.
2462 * config/rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Remove.
2463 * config/sparc/sp64-elf.h (UNALIGNED_DOUBLE_INT_ASM_OP): New.
2464 (UNALIGNED_LONGLONG_ASM_OP, ASM_OUTPUT_DWARF_ADDR): Remove.
2465 (ASM_OUTPUT_DWARF_ADDR_CONST, ASM_OUTPUT_DWARF_REF): Remove.
2467 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
2469 * cselib.c (hash_rtx): Cast enums to unsigned int.
2471 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
2473 * print-rtl.c (print_rtx): Cast enums to int for comparison.
2474 * c-decl.c (grokdeclarator): Cast enums to int for comparison and
2476 * c-format.c (C_STD_VER): Cast to int for comparisons.
2477 (check_function_format): Cast various enums to int for &.
2478 (maybe_read_dollar_number): Likewise.
2479 (check_format_info): Likewise.
2480 (check_format_info_main): Likewise.
2481 * expr.c (emit_move_insn_1): Cast enums to unsigned int for comparison.
2482 (safe_from_p): Likewise.
2483 * varasm.c (const_hash): Cast enum to int for %.
2484 * emit-rtl.c (init_emit_once): Use int loop variable to work around
2485 pcc enum problems with < and ++ operators.
2486 * regclass.c (init_reg_sets_1): Cast enums for comparison.
2487 (choose_hard_reg_mode): Use unsigned int to iterate over CCmodes.
2488 (regclass_init): Change enum class to int to iterate over reg_classes.
2489 * genrecog.c (merge_trees): Cast enums for comparison.
2490 * rtl.h (GET_CODE): Cast to enum rtx_code.
2491 (PUT_CODE): Cast to ENUM_BITFIELD(rtx_code).
2492 (GET_MODE): Cast to enum machine_mode.
2493 (PUT_MODE): Cast to ENUM_BITFIELD(machine_mode).
2494 (GET_NOTE_INSN_NAME): Cast enum to int.
2495 * tree.h (TREE_CODE): Cast to enum tree_code.
2496 (TREE_SET_CODE): Cast VALUE to ENUM_BITFIELD(tree_code).
2497 * timevar.c (timevar_print): Change loop variable id from enum to
2499 * fixinc/fixincl.c (VLEVEL): Cast enums in comparison to unsigned int.
2500 * config/i386/i386.md: Use PUT_MODE for mode assignment.
2501 * toplev.c (compile_file): Cast enum DFI to int.
2502 (decode_d_option): Likewise.
2504 Fri Mar 2 12:18:13 2001 Christopher Faylor <cgf@cygnus.com>
2506 * cppinit.c (append_include_chain): Mark "after" include file name list
2507 as a system directory.
2508 * cpp.texi: Document new behavior.
2510 Fri Mar 2 11:59:43 CET 2001 Jan Hubicka <jh@suse.cz>
2512 * ifcvt.c (noce_operand_ok): Handle properly unarry operations.
2514 2001-03-02 Neil Booth <neil@daikokuya.demon.co.uk>
2516 * cppfiles.c (struct include_file): Update.
2517 (stack_include_file): Use search_from.
2518 (cpp_included, find_include_file): Update.
2519 (cpp_execute_include): Update. ptr->name may not be
2520 null terminated. Use the new search_from member variable
2522 (_cpp_compare_file_date): Similarly.
2523 (search_from): New function, similiar to actual_directory.
2524 (actual_directory): Delete.
2525 (remap_filename): Update. loc->name may not be null terminated.
2526 (struct file_name_list): Rename search_path. Update.
2527 * cpphash.h (struct cpp_buffer): Delete actual_dir. New members
2528 search_from and dir.
2529 (struct cpp_reader): Remove actual_dirs.
2530 * cppinit.c (struct cpp_pending): Update for renamed objects.
2531 (append_include_chain, remove_dup_dir, remove_dup_dirs,
2532 merge_include_chains, cpp_destroy, cpp_start_read): Similarly.
2533 * cpplib.h (struct cpp_options): Similarly.
2535 2001-03-01 Zack Weinberg <zackw@stanford.edu>
2537 * config/xm-lynx.h, config/xm-std32.h, config/a29k/xm-a29k.h,
2538 config/a29k/xm-unix.h, config/alpha/xm-alpha.h,
2539 config/arc/xm-arc.h, config/arm/xm-arm.h, config/c4x/xm-c4x.h,
2540 config/clipper/xm-clix.h, config/convex/xm-convex.h,
2541 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
2542 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
2543 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
2544 config/i370/xm-linux.h, config/i370/xm-mvs.h,
2545 config/i370/xm-oe.h, config/i386/xm-aix.h,
2546 config/i386/xm-i386.h, config/i386/xm-osf.h,
2547 config/i860/xm-i860.h, config/i960/xm-i960.h,
2548 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
2549 config/m68k/xm-m68k.h, config/m88k/xm-m88k.h,
2550 config/mcore/xm-mcore.h, config/mips/xm-mips.h,
2551 config/mn10200/xm-mn10200.h, config/mn10300/xm-mn10300.h,
2552 config/ns32k/xm-ns32k.h, config/pa/xm-linux.h,
2553 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
2554 config/pa/xm-pahpux.h, config/pa/xm-papro.h,
2555 config/pj/xm-pj.h, config/romp/xm-romp.h,
2556 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
2557 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
2558 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
2559 config/v850/xm-v850.h, config/vax/xm-vax.h,
2560 config/vax/xm-vms.h, config/we32k/xm-we32k.h:
2561 Do not define TRUE or FALSE.
2563 * config/i386/xm-aix.h, config/i386/xm-osf.h: Delete; made
2564 empty by above change.
2565 * config.gcc: Remove references to these files.
2567 * configure.in: Detect stdbool.h.
2568 * configure, config.in: Regenerate.
2569 * system.h: Include stddef.h here if available.
2570 Set HAVE__BOOL based on GCC_VERSION and __STDC_VERSION__.
2571 Then set up a sensible boolean type at the very end.
2573 * combine.c, cse.c, expr.c, fold-const.c, gensupport.c,
2574 config/mcore/mcore.c: Rename variables named 'true' and/or 'false'.
2576 * hash.h: Delete 'boolean' typedef and related #undefs.
2578 * function.c, ggc-common.c, hash.h, hash.c, tlink.c: Replace
2579 all uses of 'boolean' with 'bool'.
2581 2001-03-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
2583 * cpplib.c (_cpp_init_stacks): Cast enum for comparison.
2584 * cppexp.c (lex): Cast enums for comparison.
2585 * cppinit.c (parse_option): Cast enum for comparison.
2586 * cpplex.c (cpp_spell_token): Cast enums to int for minus.
2587 (cpp_output_token): Likewise.
2588 (cpp_can_paste): Cast enums for comparsion and plus/minus.
2589 (cpp_avoid_paste): Cast enums for minus and comparison.
2591 2001-03-01 Zack Weinberg <zackw@stanford.edu>
2593 * gcc.c, objc/lang-specs.h: Add zero initializer for cpp_spec
2594 field to all array elements.
2596 2001-03-01 Zack Weinberg <zackw@stanford.edu>
2598 * cpphash.h (struct cpp_reader): Add print_version field.
2599 * cppinit.c (cpp_handle_option): For -v, -version, and --version,
2600 just set print_version and other flags as appropriate.
2601 (cpp_post_options): Print version here if print_version is set.
2603 * toplev.c (exit_after_options): New flag.
2604 (independent_decode_option): Don't exit here; just set
2606 (main): Exit after calling lang_hooks.post_options if
2607 exit_after_options is true.
2609 * cppinit.c (append_include_chain): Drop never-used case QUOTE.
2610 (merge_include_chains): Adjust comment to match code.
2612 2001-03-01 Zack Weinberg <zackw@stanford.edu>
2614 * stringpool.c (set_identifier): New function.
2615 * tree.h: Prototype it.
2617 * c-parse.in: Kill D_YES. If compiled for objc, call
2618 save_and_forget_protocol_qualifiers from init_reswords.
2619 * objc/objc-act.c (remember_protocol_qualifiers,
2620 forget_protocol_qualifiers): Don't diddle C_IS_RESERVED_WORD.
2621 Swap out the non-keyword IDENTIFIER_NODEs for keyword ones, or
2623 (save_and_forget_protocol_qualifiers): New function.
2624 * c-lex.h: Prototype save_and_forget_protocol_qualifiers.
2626 2001-03-01 Diego Novillo <dnovillo@redhat.com>
2628 * c-semantics.c (prune_unused_decls): Return error_mark_node
2629 instead of (tree) 1 to stop traversing the tree chain.
2631 2001-03-01 Bernd Schmidt <bernds@redhat.com>
2633 Fix a problem introduced by Kenner's Feb 18 change.
2634 * toplev.c (rest_of_compilation): Disable flag_cse_follow_jumps and
2635 flag_cse_skip_blocks only temporarily, not for ever.
2637 Thu Mar 1 09:49:58 2001 Jeffrey A Law (law@cygnus.com)
2639 * config/pa/som.h (ASM_IDENTIFY_GCC): Define.
2640 (ASM_IDENTIFY_GCC_AFTER_SOURCE): Likewise.
2642 * pa.c (emit_move_sequence): Verify operand0 is a hard register
2643 before determining its register class.
2645 2001-03-01 Bernd Schmidt <bernds@redhat.com>
2647 * config/ia64/ia64.c (ia64_hard_regno_rename_ok): Disallow renaming
2648 from reg 4 if current_function_calls_setjmp.
2649 (gen_nop_type): New function.
2650 (ia64_emit_nops): New function.
2651 (ia64_reorg): Call it.
2652 (ia64_sched_reorder): Move code that rotates bundles up a bit.
2654 * reload1.c (eliminate_regs_in_insn): Restrict the special case
2655 code not to try to optimize adds with anything but a REG destination.
2657 * sched-int.h (struct haifa_insn_data): Add new member priority_known.
2658 (INSN_PRIORITY_KNOWN): New accessor macro.
2659 * haifa-sched.c (priority): Use it instead of testing priority against
2662 2001-02-28 DJ Delorie <dj@redhat.com>
2664 * config/m68k/m68k.h (MOVE_BY_PIECES_P): Avoid pushing bytes,
2665 since that doesn't work the way gcc wants on a generic m68k.
2667 2001-02-28 Richard Henderson <rth@redhat.com>
2669 * caller-save.c (save_call_clobbered_regs): Fix typo in
2670 comparison last change.
2672 Wed Feb 28 19:31:42 CET 2001 Jan Hubicka <jh@suse.cz>
2674 * i386.c (pentium4_cost): New.
2675 (m_PENT4): New macro.
2676 (x86_push_memory, x86_movx,x86_cmove, x86_deep_branch, x86_use_sahf
2677 x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8
2678 x86_integer_DFmode_moves, x86_partial_reg_dependency,
2679 x86_memory_mismatch_stall): Add Pentium4
2680 (x86_use_q_reg, x86_use_any_reg): Kill.
2681 (override_options): Add pentium4.
2682 (incdec_operand): Return 0 for pentium4.
2683 (ix86_issue_rate): Add PROCESSOR_PENTIUM4 and PROCESSOR_ATHLON.
2684 * i386.h (x86_use_q_reg, x86_use_any_reg): Kill.
2685 (TARGET_PENTIUM4): Define.
2686 (enum processor_type): Add PROCESSOR_PENTIUM4.
2687 (CPP_CPU_DEFAULT_SPEC): Add pentium4 support.
2688 * i386.md (attribute "cpu"): Add pentium4.
2689 * invoke.texi (march): Add pentium4.
2691 Wed Feb 28 19:28:06 CET 2001 Jan Hubicka <jh@suse.cz>
2693 * i386.md (sse_mov?fcc*): New patterns and splitters.
2694 * i386.c (ix86_expand_movcc): Work post-reload; recognize
2695 the SSE based conditional moves.
2697 Wed Feb 28 19:18:23 CET 2001 Jan Hubicka <jh@suse.cz>
2699 * i386.md (attribute mode): Add "TI".
2700 (movsf_1): Add pxor support; remove constant propagation splitter.
2701 (movdf_integer): Likewise.
2702 (movdf_nointeger): Likewise.
2703 (movxf constant prop splitter): Handle all modes; update for SSE.
2704 * i386.h (CONST_DOUBLE_OK_FOR_LETTER): Add 'H' for SSE constants.
2705 * i386.c (standard_80387_constant_p): Rewrite.
2706 (standard_sse_constant_p): New.
2707 * i386-protos.h (standard_sse_constant_p): New.
2709 Wed Feb 28 19:05:37 CET 2001 Jan Hubicka <jh@suse.cz>
2711 * i386.md (sse_setccsf, sse_setccdf): New.
2712 (sse_cmp* patterns): Use '%D' instead of outputtting condition
2714 * i386.c (sse_comparison_operator): Accept the supported unordered
2715 comparses; be ready for fast_math.
2716 (print_operand): Support 'D'.
2718 Wed Feb 28 18:54:51 CET 2001 Jan Hubicka <jh@suse.cz>
2720 * jump.c (reversed_comparison_code): Kill.
2722 Wed Feb 28 18:50:15 CET 2001 Jan Hubicka <jh@suse.cz>
2724 * toplev.c (rest_of_compilation): Do post-reload splitting unconditionally
2727 Wed Feb 28 18:47:37 CET 2001 Jan Hubicka <jh@suse.cz>
2729 * i386.md (sse_andti3, sse_nandti_3, sse_xorti3): Add SSE2 versions;
2730 add missing '%' in constraints.
2732 Wed Feb 28 17:24:24 CET 2001 Jan Hubicka <jh@suse.cz>
2734 * c-common.c (build_common_tree_nodes): Build intTI_type_nodes
2735 for HOST_BITS_PER_WIDE_INT == 32 too.
2737 Wed Feb 28 17:22:35 CET 2001 Jan Hubicka <jh@suse.cz>
2739 * caller-save.c (reg_save_code, reg_restore_code): Index by mode, not
2741 (insert_save, insert_restore): New parameter save_mode.
2742 (init_caller_save): Update initialization of reg_save_code
2743 and reg_restore_code.
2744 (save_call_clobbered_regs): Compute save_modes and update calls to
2745 reg_save_code and reg_restore_code.
2746 (insert_restore): Unsignetize numbers; use save_modes to choose mode
2747 of spill; update use of reg_restore_code.
2748 (insert_save): Likewise.
2749 * i386.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
2750 * c4x.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
2751 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): Likewise.
2753 Wed Feb 28 17:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
2755 * ifcvt.c (noce_emit_store_flag, noce_try_store_flag_constants,
2756 noce_try_store_flag_inc, noce_try_store_flag_mask,
2757 noce_try_cmove_arith):
2758 Use reversed_comparison_code instead of reverse_comparison and
2759 can_reverse_comparison_p.
2761 Wed Feb 28 17:17:29 CET 2001 Jan Hubicka <jh@suse.cz>
2763 * jump.c (reversed_comparison_code_parts): Allow reversal of
2764 unordered compares in -ffast-math mode; reverse ordered compares
2765 for FP even w/o -ffast-math.
2767 2001-02-27 Richard Henderson <rth@redhat.com>
2769 * print-rtl.c (print_rtx) [i]: Don't print field five on
2770 NOTEs other than NOTE_INSN_DELETED_LABEL.
2772 2001-02-27 Zack Weinberg <zackw@stanford.edu>
2774 * mips/xm-iris4.h: Delete #if 0 block (there since before 1997).
2775 * pa/xm-linux.h, pa/xm-pa.h, pa/xm-papro.h: Don't declare errno.
2777 2001-02-27 Diego Novillo <dnovillo@redhat.com>
2779 * c-common.c (walk_stmt_tree): Visit the chain of the current tree
2780 even if walk_subtrees is 0.
2781 * c-semantics.c (prune_unused_decls): Return a non-null value to
2782 stop traversing the tree chain.
2784 2001-02-27 DJ Delorie <dj@redhat.com>
2786 * config/m68k/m68k.c (output_function_prologue): Save the new CFA
2787 register, *then* define it as the new CFA.
2789 Tue Feb 27 16:49:13 2001 Jeffrey A Law (law@cygnus.com)
2791 * pa.c (override_options): Promote -fpic to -fPIC.
2792 (legitimize_pic_address): Simplify due to removal of
2793 small PIC as a code generation option.
2794 (secondary_reload_class): Similarly.
2795 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Similarly.
2796 (PRINT_OPERAND_ADDRESS): Similarly.
2797 * pa.md (various patterns): Similarly.
2798 (small pic lo_sum pattern): Remove.
2800 Tue Feb 27 16:01:13 CET 2001 Jan Hubicka <jh@suse.cz>
2803 * md.texi (min, max): Document
2805 Tue Feb 27 15:51:35 CET 2001 Jan Hubicka <jh@suse.cz>
2807 * i386.md (movsf, movdf): Use movaps for reg-reg moves if
2808 TARGET_PARTIAL_REG_DEPENDENCY.
2809 (truncdfsf2_1_sse, truncdfsf2_2): Penalize the fpreg->mem case.
2811 Tue Feb 27 15:36:48 CET 2001 Jan Hubicka <jh@suse.cz>
2813 * i386.md (mins*, maxs*): New patterns, expanders and splitters.
2815 2001-02-26 Jeffrey Oldham <oldham@codesourcery.com>
2817 * mips.c (mips_make_temp_file): Fix thinko in last change.
2819 2001-02-26 Jason Eckhardt <jle@redhat.com>
2821 * combine.c (known_cond): Do not reverse the condition when
2822 SMAX/UMAX is being considered and the condition is for equality
2825 * testsuite/gcc.c-torture/execute/20010221-1.c: New test.
2827 2001-02-26 Philip Blundell <philb@gnu.org>
2829 * config.gcc: Remove obsolete targets "arm*-*-linuxoldld" and
2831 * config/arm/linux-elf.h: Remove historical relics related to
2832 above configurations.
2833 * config/arm/linux-oldld.h: Delete.
2834 * config/arm/linux-elf26.h: Delete.
2836 2001-02-26 Jason Merrill <jason@redhat.com>
2838 * c-decl.c (finish_decl): Set DECL_DEFER_OUTPUT on tentative file-scope
2840 * toplev.c (rest_of_decl_compilation): Check DECL_DEFER_OUTPUT to
2841 recognize a tentative definition. Lose obsolete code.
2843 * toplev.c (wrapup_global_declarations): Don't emit DECL_COMDAT
2844 variables unless necessary, either.
2846 2001-02-25 Richard Henderson <rth@redhat.com>
2848 * ifcvt.c (struct noce_if_info): Add test_bb.
2849 (noce_get_alt_condition): New.
2850 (noce_try_minmax, noce_try_abs): New.
2851 (noce_operand_ok): New.
2852 (noce_process_if_block): Use them.
2853 * rtlanal.c (may_trap_p): NEG and ABS can never trap.
2855 Sun Feb 25 14:26:17 2001 Christopher Faylor <cgf@cygnus.com>
2857 * config/i386/cygwin.h (CPP_SPEC): Add missing space before w32api
2860 2001-02-25 Zack Weinberg <zackw@stanford.edu>
2862 * config.gcc: Put back pa/t-openbsd and rs6000/t-openbsd.
2863 * config/mips/mips.c (mips_make_temp_file): Set temp_filename
2865 (mips_asm_file_end): Free temp_filename here.
2867 Sun Feb 25 08:34:23 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2869 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): Move decl.
2870 * config/i386/i386.c (ix86_set_move_mem_attrs_1): Fix typo.
2872 * config/i386/i386.md (movstrsi): Handle FAIL case.
2874 2001-02-25 Neil Booth <neil@daikokuya.demon.co.uk>
2876 * cppinit.c (builtin_array): Update.
2877 (init_builtins): Flag builtins to warn if redefined or
2878 undefined. Define __GXX_WEAK as a normal macro.
2879 * cpplib.c (do_undef): Warn if flagged NODE_WARN.
2880 * cpplib.h (NODE_WARN): New flag.
2881 * cppmacro.c (builtin_macro): Remove handling of __GXX_WEAK__.
2882 Handle __STDC__ as a builtin only on Solaris.
2883 (warn_of_redefinition): Renamed from check_macro_definition.
2884 Reverse sense of test. Always warn if NODE_WARN.
2885 (_cpp_create_definition): Use warn_of_redefinition. Flag
2886 any macro beginning with "__STDC_" to require a mandatory
2887 warning if redefined or undefined.
2889 2001-02-24 Zack Weinberg <zackw@stanford.edu>
2891 * xm-interix.h, xm-lynx.h, alpha/xm-vms.h, convex/xm-convex.h,
2892 i370/xm-i370.h, i370/xm-linux.h, i370/xm-mvs.h, i370/xm-oe.h,
2893 i386/xm-beos.h, i386/xm-dos.h, i386/xm-mingw32.h,
2894 i860/xm-i860.h, m68k/xm-3b1.h, m68k/xm-amix.h, m68k/xm-aux.h,
2895 m68k/xm-crds.h, m68k/xm-mot3300.h, m88k/xm-sysv3.h,
2896 mips/xm-mips.h, rs6000/xm-beos.h, vax/xm-vms.h:
2897 Don't define any of:
2898 USE_PROTOTYPES, vfork, mktemp, SVR3, NO_SYS_PARAMS_H,
2899 P_tmpdir, MVS, NO_DBX_FORMAT, USE_STDARGS, STDC_HEADERS,
2900 NO_PRECOMPILES, i860, __PTR_TO_INT, __INT_TO_PTR, rindex,
2901 index, FULL_PROTOTYPES, AUX, R_OK, W_OK, X_OK, F_OK,
2902 STACK_DIRECTION, MIPS, MAX_READ_LEN, MAX_WRITE_LEN.
2904 * alpha/xm-alpha.h, clipper/xm-clix.h, d30v/xm-d30v.h,
2905 fr30/xm-fr30.h, i370/xm-linux.h: Remove commented-out macro
2908 * m68k/xm-3b1.h, m68k/xm-crds.h, m88k/xm-sysv3.h:
2909 Delete now-empty file.
2911 * alpha/vms.h: Define NEED_ATEXIT here...
2912 * alpha/xm-vms.h: ...not here.
2914 * i386/cygwin.h: Don't define PARAMS.
2915 * mips/mips.c: Don't prototype mktemp. Don't define
2916 P_tmpdir. Use make_temp_file to create temporary files.
2917 Don't be clever and delete temporary files early.
2918 * config.gcc: Drop references to deleted files. Don't define
2920 * gcc.texi: Don't mention USE_PROTOTYPES.
2922 Sat Feb 24 20:25:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2924 * config/i386/i386.c (ix86_set_move_mem_attrs): New function.
2925 (ix86_set_move_mem_attrs_1): Likewise.
2926 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): New declaration.
2927 * config/i386/i386.md (movstrsi): Call it.
2929 2001-02-24 Zack Weinberg <zackw@stanford.edu>
2931 * config.gcc: Expunge references to alpha/t-pe, pa/t-openbsd,
2932 x-linux-aout, i386/t-go32, t-osf, m68k/x-m68kv,
2933 ns32k/xm-netbsd.h, rs6000/t-openbsd, rs6000/t-xnewas,
2934 rs6000/x-aix41-gld. These are nonexistent, empty, or obsolete.
2936 (i750a-*-*): Error here if hosting on i750a.
2937 (alpha*-*-winnt*, ix86-*-winnt3*): Remove stanzas entirely.
2939 * x-linux-aout, xm-freebsd.h, i386/beos-pe.h, ns32k/xm-netbsd.h:
2940 Remove (empty modulo comments).
2942 * 1750a/xm-1750a.h, alpha/config-nt.sed, alpha/win-nt.h,
2943 alpha/xm-winnt.h, i386/config-nt.sed, i386/os2.h,
2944 i386/t-winnt, i386/win-nt.h, i386/xm-freebsd.h, i386/xm-os2.h,
2945 i386/xm-winnt.h, m68k/x-alloca-c, m88k/x-dguxbcs,
2946 mips/x-netbsd, mips/x-nws3250v4, rs6000/t-xnewas,
2947 rs6000/t-xrs6000, rs6000/xm-cygwin.h: Remove (obsolete)
2949 * i386/crtdll.h, i386/cygwin.h, i386/mingw32.h:
2950 Remove reference to winnt.h in comment.
2951 * rs6000/t-newas, rs6000/t-rs6000: Override LIBGCC1_TEST to null.
2953 2001-02-24 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2955 * loop.c (check_dbra_loop): A biv has uses besides counting if it is
2956 used to set another biv.
2958 Sat Feb 24 06:45:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2960 * tree.h (BLOCK_DEAD): New macro.
2961 (struct tree_block): New flag, dead_flag.
2962 * print-tree.c (print_node, case 'b'): Print missing fields.
2963 * emit-rtl.c (remove_unnecessary_notes): Set BLOCK_DEAD.
2964 * function.c (identify_blocks): Enable test for misplaced notes.
2965 (all_blocks): Skip BLOCK_DEAD blocks.
2966 * integrate.c (integrate_decl_tree): Likewise.
2968 * errors.c (internal_error, trim_filename): New functions.
2969 (fancy_abort): Call internal_error.
2970 * errors.h (internal_error, trim_filename): New declarations.
2972 2001-02-24 Alexandre Oliva <aoliva@redhat.com>
2974 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Reverted
2976 (EXTRA_CONSTRAINT): Formatting changes.
2978 2001-02-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2980 * rtl.c (rtl_check_failed_code2): Fix typo in last change.
2982 2001-02-23 Per Bothner <per@bothner.com>
2984 * gcc.c (record_temp_file, pfatal_with_name, error): Make non-static,
2985 so they can be called from java/jvspec.c.
2986 * gcc.h (record_temp_file, pfatal_with_name, error): Declare.
2988 Sat Feb 24 03:32:50 CET 2001 Jan Hubicka <jh@suse.cz>
2990 * i386.c (ix86_frame): New structure.
2991 (ix86_compute_frame_size): Kill.
2992 (ix86_compute_frame_layout): New.
2993 (ix86_save_reg): New.
2994 (ix86_can_use_return_insn_p): Use frame layout stuff.
2995 (ix86_expand_prologue): Likewise.
2996 (ix86_expand_epilogue): Likewise.
2997 (ix86_initial_elimination_offset): Likewise.
2998 (ix86_nsaved_regs): Use ix86_save_reg.
2999 (ix86_emit_save_regs): Likewise.
3001 Sat Feb 24 03:30:38 CET 2001 Jan Hubicka <jh@suse.cz>
3003 * flow.c (find_sub_basic_blocks): New function.
3004 (split_block): Be ready for basic block introduced by CODE_LABEL.
3005 (commit_one_edge_insertion): Call find_sub_basic_block.
3007 * flow.c (make_edges): Add edge from entry for blocks starting with
3008 label having ALTERNATE_NAME
3010 Sat Feb 24 03:19:42 CET 2001 Jan Hubicka <jh@suse.cz>
3012 * function.c (epilogue_done): Be ready for first basic block not
3013 containing PROLOGUE_END note.
3014 (reposition_prologue_and_epilogue_notes): Avoid placing
3015 PROLOGUE_END note between BASIC_BLOCK.
3017 Sat Feb 24 03:17:09 CET 2001 Jan Hubicka <jh@suse.cz>
3019 * loop.c (canonicalize_condition): Move to reversed_comparison_code.
3021 2001-02-21 DJ Delorie <dj@redhat.com>
3023 * config/i960/i960.h (FRAME_POINTER_REQUIRED): Revert removal of
3024 check for current_function_has_nonlocal_goto from 1999-11-12.
3026 Fri Feb 23 15:28:39 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3028 * diagnostic.c (trim_filename): No longer static.
3029 * toplev.h (trim_filename): Declare.
3030 * rtl.c (rtl_check_failed_bounds): Call internal_error.
3031 (rtl_check_failed_type1, rtl_check_failed_type2): Likewise.
3032 (rtl_check_failed_code1, rtl_check_failed_code2): Likewise.
3033 (rtvec_check_failed_bounds): Likewise.
3034 * tree.c (tree_check_failed, tree_class_check_failed): Likewise.
3036 * convert.c (convert_to_integer): Don't do unsigned unless result or
3037 both inputs are unsigned.
3039 * fold-const.c (fold_convert): Don't call size_int_type_wide if
3042 * c-decl.c (set_block): Set NAMES and BLOCKS from BLOCK.
3044 * varasm.c (output_constant): Recompute CODE after lang-specific fn.
3046 2001-02-23 Jeffrey Oldham <oldham@codesourcery.com>
3048 * Makefile.in (resource.o): Add params.h dependence.
3049 * params.def (MAX_DELAY_SLOT_LIVE_SEARCH): New parameter.
3050 * params.h (MAX_DELAY_SLOT_LIVE_SEARCH): Likewise.
3051 * resource.c: Add dependence on params.h.
3052 (current_live_regs): Fix explanatory comment.
3053 (find_basic_block): Add new parameter to permit limiting search
3055 (mark_target_live_regs): Add new argument to find_basic_block call.
3056 (incr_ticks_for_insn): Likewise.
3058 2001-02-23 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
3060 * diagnostic.c (output_to_stream): Rename to
3061 output_buffer_to_stream. Loses the stream parameter.
3062 (init_output_buffer): Set diagnosic_buffer's stream.
3063 (flush_diagnostic_buffer): Adjust.
3064 (default_print_error_function): Likewise.
3065 (finish_diagnostic): Likewise.
3066 (verbatim): Likewise.
3068 * diagnostic.h (struct output_buffer): Add `stream' field.
3069 (output_buffer_attached_stream): New macro.
3071 2001-02-23 Jakub Jelinek <jakub@redhat.com>
3073 * fold-const.c (extract_muldiv) [case PLUS_EXPR]: If not MULT_EXPR,
3074 check if either operand is divisible by C.
3075 (multiple_of_p): Handle LSHIFT_EXPR with small constant shift.
3076 If type is signed, consider negative numbers as well.
3078 2001-02-22 Richard Henderson <rth@redhat.com>
3080 * config/ia64/crtbegin.asm (.fini): Use pc-relative relocs to
3081 reach .text instead of gp-relative relocs.
3082 * config/ia64/crtend.asm (.init): Likewise.
3084 2001-02-22 Andreas Jaeger <aj@suse.de>
3086 * extend.texi (C++ Attributes): Fix typo.
3088 2001-02-21 David Mosberger <davidm@hpl.hp.com>
3090 * config/ia64/ia64.c (ia64_epilogue_uses): For syscall_linkage
3091 functions, drop current_function_args_info.words test.
3092 (ia64_compute_frame_size): Mark syscall_linkage functions as
3093 using eight input registers.
3095 2001-02-21 Loren J. Rittle <ljrittle@acm.org>
3096 Bruce Korb <bkorb@gnu.org>
3098 * fixinc/inclhack.def (freebsd_gcc3_breakage): new fix
3099 * fixinc/README: Document how to convert sed substitutions
3100 to format style c_fix-es.
3101 * fixinc/fixincl.x: regen
3103 2001-02-21 Jeffrey D. Oldham <oldham@codesourcery.com>
3105 * gcc.c: Add comment explaining how to add a command-line option.
3106 Add title to specs language comment.
3108 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
3110 * gcc.c (cc1_options): Add "-param".
3111 (DEFAULT_WORD_SWITCH_TAKES_ARG): Likewise.
3112 (option_map): Likewise.
3113 * toplev.c (display_help): Add entry for "--param".
3114 (independent_decode_option): Fix typographical error.
3116 Wed Feb 21 18:57:28 CET 2001 Catherine Moore <clm@redhat.com>
3117 Bernd Schmidt <bernds@redhat.com>
3118 Jan Hubicka <jh@suse.cz>
3120 * i386.c (function_arg_advance): Pass SSE arguments in registers.
3121 (function_arg): Likewise.
3123 Wed Feb 21 18:12:41 CET 2001 Jan Hubicka <jh@suse.cz>
3125 * i386.md (mmx_lshrdi3, mmx_ashldi3): Guard by unspec.
3127 2001-02-21 Kazu Hirata <kazu@hxi.com>
3129 * config/h8300/h8300.md (iorsi3): Do not output an extra newline
3133 Wed Feb 21 17:35:24 CET 2001 Jan Hubicka <jh@suse.cz>
3135 * flow.c (init_propagate_block_info): Canon address and use single_set
3136 for killing dead memory stores.
3138 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
3140 * Makefile.in (reorg.o): Add params.h dependence.
3141 * params.def: Fix typographical error in comment.
3142 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
3143 * params.h: Modify introductory comment.
3144 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
3145 * reorg.c: Add dependence on params.h.
3146 (redundant_insn): Add parameterized throttle for search.
3147 (fill_simple_delay_slots): Add a comment explaining a variable.
3148 Move conditional out of loop, simplifying code.
3149 (fill_eager_delay_slots): Fix typographical error in comment.
3151 2001-02-20 Aldy Hernandez <aldyh@redhat.com>
3153 * tm.texi (REVERSE_CONDEXEC_PREDICATES_P): New macro documentation.
3155 * flow.c (ior_reg_cond): Use REVERSE_CONDEXEC_PREDICATES_P macro.
3156 (REVERSE_CONDEXEC_PREDICATES_P): Define macro.
3158 2001-02-21 Jason Merrill <jason@redhat.com>
3160 * tree.h (DECL_UNINLINABLE): Move from C++ frontend.
3161 (struct tree_decl): Add uninlinable bitfield.
3162 * c-decl.c (duplicate_decls): Set it.
3163 * integrate.c (function_cannot_inline_p): Check it.
3165 * dwarf2out.c (add_name_and_src_coords_attributes): Don't add
3166 DW_AT_MIPS_linkage_name to abstract methods.
3167 (dwarf2out_abstract_function): Emit class context before calling
3168 set_decl_abstract_flags. Don't clear DECL_ABSTRACT.
3169 (gen_subprogram_die): Remove obsolete code.
3170 (gen_member_die): Don't include clones in the member list.
3171 (gen_decl_die): Emit abstract info for clone origin.
3172 * dwarfout.c (output_type): Don't include clones in the member list.
3173 * dbxout.c (dbxout_type_methods): Ignore abstract methods.
3174 * toplev.c (note_deferral_of_defined_inline_function): Don't clear
3175 DECL_ABSTRACT on a function that already has it set.
3177 * dwarf2out.c (gen_formal_types_die): Also accept a FUNCTION_DECL.
3178 (get_subprogram_die): Pass it in.
3180 2001-02-21 Richard Earnshaw <rearnsha@arm.com>
3182 * flow.c (mark_set_1): Make not_dead unsigned long. For
3183 non-pseudos, use it as a bitmask of the hard regs that
3186 2001-02-21 Neil Booth <neil@daikokuya.demon.co.uk>
3188 * cppfiles.c: Update comments.
3189 (_cpp_read_file): Don't check for NULL filenames any more.
3190 * cppinit.c (cpp_start_read): Don't do canonicalization of
3191 in_fname and out_fname. Use the passed file name exclusively.
3192 (_cpp_handle_options): Don't treat "-" as a command line option,
3193 but as a normal filename.
3194 (_cpp_post_options): Canonicalize in_fname and out_fname.
3195 * cppmain.c (printer_init): Don't check out_fname for NULL.
3196 * c-lex.c (orig_filename): Rename cpp_filename for clarity.
3197 (init_c_lex): Update, and use "" to represent stdin to CPP.
3200 2001-02-20 Will Cohen <wcohen@redhat.com>
3202 * config/pa/quadlib.c (_U_Qfcnvfxt_quad_to_usgl): New function.
3203 * config/pa/long_double.h (FIXUNS_TRUNCTFSI2_LIBCALL): Added.
3204 (INIT_TARGET_OPTABS): Use FIXUNS_TRUNCTFSI2_LIBCALL for
3207 2001-02-20 Stan Shebs <shebs@apple.com>
3209 * config/rs6000/rs6000.c (output_cbranch): Output branches
3210 on separate lines instead of using ';' to separate.
3212 2001-02-20 Neil Booth <neil@daikokuya.demon.co.uk>
3214 * cppinit.c (set_lang): Move builtin handling to...
3215 (init_builtins): ...here.
3216 (_cpp_create_reader): Move call to set_lang.
3218 2001-02-20 Mark Mitchell <mark@codesourcery.com>
3220 * stmt.c (expand_return): If an attempt is made to return the
3221 error_mar_node, treat the return like a return without a value.
3223 2001-02-19 Zack Weinberg <zackw@stanford.edu>
3225 * sibcall.c (skip_copy_to_return_value): Call
3226 identify_call_return_value here, and return orig_insn if it
3227 returns zero. Hardret and softret arguments now unnecessary.
3228 (call_ends_block_p): Don't call identify_call_return_value here.
3230 * ggc-common.c (ggc_mark_rtx_children): No need to mark 'S' or
3232 * ggc-page.c, ggc-simple.c (ggc_mark_if_gcable): Delete function.
3233 * ggc.h (ggc_mark_if_gcable): Delete prototype.
3235 Mon Feb 19 20:30:16 2001 Jeffrey A Law (law@cygnus.com)
3237 * pa.c (move_operand): Accept code to load the address of a
3238 symbol out of the DLT as a valid move operand.
3239 (print_operand, case 'A'): New to handle generating a DLT
3240 reference for a LO_SUM expression.
3241 * pa.h (EXTRA_CONSTRAINT): Handle 'A' for DLT LO_SUM references.
3242 * pa.md (movsi, movdi patterns): Allow DLT LO_SUM references.
3244 2001-02-19 Joseph S. Myers <jsm28@cam.ac.uk>
3246 * README, cpp.texi, gcc.texi, version.c: Update version number to
3248 * cpp.1, gcov.1, gcc.1: Regenerate.
3250 2001-02-19 Neil Booth <neil@daikokuya.demon.co.uk>
3252 * cppfiles.c (stack_include_file): Generate dependencies
3253 here, and manage include_count here too.
3254 (PRINT_THIS_DEP): Delete.
3255 (_cpp_execute_include): Do not generate dependencies here,
3256 apart from the case of a missing header. Do not manage
3258 (_cpp_read_file): Leave dependency generation to
3261 Mon Feb 19 10:17:47 2001 Jeffrey A Law (law@cygnus.com)
3263 * config.gcc (hppa*64*-*-hpux11*): Add MASK_GAS to
3264 target_cpu_default. Remove dead assignment to
3267 Mon Feb 19 16:47:39 CET 2001 Jan Hubicka <jh@suse.cz>
3269 * regclass.c (contains_reg_of_mode): Make global.
3270 (init_reg_sets): Remove contains_reg_of_mode; take into account
3271 CLASS_MAX_NREGS when looking for the proper mode.
3272 (dump_regclass): Dump only classes considered for the pseudo.
3273 (regclass): Use contains_reg_of_mode.
3275 Mon Feb 19 16:45:42 CET 2001 Jan Hubicka <jh@suse.cz>
3277 * gcc.c (do_spec_1): 'n' for printing notices.
3278 * i386.h (CC1_CPU_SPEC): Notice deprecated options as deprecated.
3280 Mon Feb 19 15:51:30 CET 2001 Jan Hubicka <jh@suse.cz>
3282 * reg-stack.c (next_flags_user): Use current_block->end
3283 (swap_rtx_condition): Look for next user if flags don't die;
3284 give up on CALL_INSNs; use current_block->end.
3286 Mon Feb 19 08:27:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3288 * sibcall.c (call_ends_block_p): New function.
3289 (optimize_sibling_and_tail_recursive_call): Use it.
3291 2001-02-18 Kazu Hirata <kazu@hxi.com>
3293 * config/h8300/h8300.md: Update copyright.
3294 (andsi3): Do not output an extra newline character.
3296 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3298 * toplev.c (note_deferral_of_defined_inlined_function): Argument
3299 FNDECL may be unused.
3301 * toplev.c (rest_of_compilation): Don't have CSE skip blocks or
3302 follow jumps after first run.
3303 If -fexpensive-optimizations rerun CSE after GCSE and iterate until
3304 it doesn't change any jumps.
3306 Sun Feb 18 17:05:50 2001 Jeffrey A Law (law@cygnus.com)
3308 * Makefile.in (rtlanal.o): Depend on hard-reg-set.h.
3309 ($HOST_PREFIX_1)rtlanal.o: Remove rules for building
3310 (mostlyclean): Corresponding changes.
3311 * rtlanal.c (hard-reg-set.h): Include.
3312 (rtx_unstable_p): Do not treat the argument pointer specially
3313 if it is not a fixed register.
3314 (rtx_varies_p, rtx_addr_can_trap_p): Similarly.
3316 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3318 * sibcall.c (optimize_sibling_and_tail_recursive_call): Compare
3319 against last real insn in basic block.
3320 Rework to avoid gotos.
3322 * Makefile.in (gcse.o): Now includes ggc.h.
3323 * gcse.c: Include ggc.h.
3324 (want_to_gcse_p): Verify expression can be in SET as valid insn.
3325 (try_replace_reg): Remove warning of uninitialize variable.
3326 (process_insert_insn): Call invalid_insn_p to validate insn.
3327 * recog.c (insn_invalid_p): Now global.
3328 See if can make valid by adding CLOBBERs of SCRATCH only and do if so.
3329 * recog.h (insn_invalid_p): New declaration.
3331 * jump.c (jump_optimize_1): Only define reversed_code #ifdef HAVE_trap.
3333 * config/sparc/sparc.c (eligible_for_epilogue_delay): Don't put
3334 assignments from FP constants since 'Y' output code can't handle it.
3335 (eligible_for_sibcall_delay): Likewise.
3337 * flow.c (print_rtl_and_abort_fcn): Renamed from print_rtl_and_abort.
3338 Call fancy_abort directly, passing args.
3339 (print_rtl_and_abort): Now a macro, like fancy_abort.
3341 * final.c (output_operand_lossage): Use internal_error, not error.
3343 2001-02-18 Shane Nay <shane@agendacomputing.com>
3345 * mips.c (mips_expand_prologue) Add REG_MAYBE_DEAD to
3346 structure shift insns.
3348 2001-02-18 Mark Mitchell <mark@codesourcery.com>
3350 * invoke.texi (-fsquangle): Remove documentation.
3351 (-fname-mangling-version): Likewise.
3353 2001-02-18 Lars Brinkhoff <lars@nocrew.org>
3355 * optabs.c (expand_abs): Remove reference to
3356 HAVE_contitional_arithmetic.
3357 * combine.c (simplify_set): Likewise.
3359 2001-02-18 Richard Henderson <rth@redhat.com>
3361 * ifcvt.c (dead_or_predicable): Don't move code if eh regions
3364 2001-02-18 Richard Henderson <rth@redhat.com>
3366 * config/ns32k/ns32k.h (ADJSP): Upcase arguments.
3368 * config/alpha/alpha.md (movsi_fix): Fix typo in pattern name.
3370 * reload1.c (reload_cse_simplify_set): Fix typo.
3372 Sun Feb 18 09:30:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3374 * diagnostic.c (_fatal_insn): Decrement errorcount.
3376 * invoke.texi (-I): Add note avoiding use for system header files.
3378 * rtl.h (add_clobbers): Remove duplicate declaration.
3379 * recog.h (added_clobbers_hard_reg_p): New declaration.
3380 * genemit.c (struct clobber_pat): New field has_hard_reg.
3381 (gen_insn): Record if added clobbers clobber hard reg.
3382 (gen_split): Avoid unused warning if number of operands is 0.
3383 (output_added_clobbers_hard_reg_p): New function.
3386 2001-02-18 Alan Modra <alan@linuxcare.com.au>
3388 * pa.c (hppa_expand_prologue): Simplify code storing return
3389 pointer. For large (>=8k) frames with a post_store, adjust stack
3390 pointer by 8k-64 first rather than by 64. When testing with
3391 VAL_14_BITS_P, always use the actual value rather than the value
3392 negated. Add blockage to prevent scheduling of spills before
3393 stack frame has been created.
3394 (hppa_expand_epilogue): Simplify code loading return pointer.
3395 Allow a slightly larger range for merge_sp_adjust_with_load case.
3396 When testing with VAL_14_BITS_P, always use the actual value.
3398 * pa.c (pa_adjust_insn_length): Check that block move
3399 pattern is a set before looking at operands.
3401 2001-02-17 Mark Mitchell <mark@codesourcery.com>
3403 * fold-const.c (fold_binary_op_with_conditional_arg): New
3404 function, split out from ...
3406 * tree.def (COND_EXPR): Document the use of VOID_TYPE for
3407 conditional arms that throw exceptions.
3409 * print-tree.c (print_node): Do not use BLOCK_CHAIN when we're not
3412 2001-02-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3414 * aclocal.m4 (gcc_AC_CHECK_DECL): Before attempting the test,
3415 define HAVE_DECL_* to 1 to mask potential backup declarations.
3416 * configure: Regenerated.
3418 2001-02-17 Mark Mitchell <mark@codesourcery.com>
3420 * invoke.texi (-Woverloaded-virtual): Clarify documentation.
3422 2001-02-17 Richard Henderson <rth@redhat.com>
3424 * reload1.c (reload_cse_simplify_set): Respect LOAD_EXTEND_OP
3425 when replacing a memory load with a register.
3427 Sat Feb 17 14:48:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3428 Jan Hubicka <jh@suse.cz>
3430 * recog.c (validate_replace_src_1): New.
3431 (validate_replace_src_data): Likewise.
3432 (validate_replace_src): Use note_uses.
3433 * rtl.h (note_uses): Declare.
3434 * rtlanal.c (note_uses): New.
3436 Sat Feb 17 10:52:34 CET 2001 Jan Hubicka <jh@suse.cz>
3438 * reg-stack.c (stack_def): Make field reg unsigned.
3439 (remove_regno_note): Unsignetize parameter.
3441 2001-02-16 Jes Sorensen <jes@linuxcare.com>
3443 * ia64.c (errata_emit_nops): Add VOIDmode as second argument to
3444 shladd_operand() call.
3446 2001-02-16 Bruce Korb <bkorb@gnu.org>
3447 Rodney Brown <RodneyBrown@mynd.com>
3449 * fixinc/mkfixinc.sh: Use C fixincludes for UnixWare 7.
3450 * fixinc/inclhack.def: Add fixinc.svr4 patterns with matching
3451 machine restrictions
3452 * fixinc/fixincl.x: regen
3454 Fri Feb 16 12:41:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3456 * gcse.c (hash_scan_set): If cprop, see if REG_EQUAL or REG_EQUIV.
3458 (hash_scan_insn): Clean up calls to hash_scan_set.
3459 (compute_kill_rd): REGNO now unsigned.
3460 (try_replace_reg): Rework to use simplify_replace_rtx.
3461 (cprop_jump, cprop_cc0_jump): Likewise.
3462 (cprop_insn): Call find_reg_equal_equiv_note.
3463 Reflect changes to cprop_jump and cprop_cc0_jump.
3465 * recog.c (validate_replace_src): Replace in operands of
3466 ZERO_EXTRACT in SET_DEST.
3468 * cse.c (new_label_ref): New variable.
3469 (insert): Set it instead of recorded_label_ref.
3470 (cse_basic_block): Set recorded_label_ref if new_label_ref use, has
3471 CODE_LABEL for this function, and not already in REG_LABEL note.
3473 2001-02-16 Jeffrey Oldham <oldham@codesourcery.com>
3475 * resource.c (mark_referenced_resources): Fix typo in introductory
3477 * config/mips/abi64.h (SUBTARGET_TARGET_OPTIONS): Fix typo in
3480 2001-02-16 Jason Merrill <jason@redhat.com>
3482 * dwarf2out.c (add_bound_info): Don't crash if SAVE_EXPR_RTL is
3484 (gen_subprogram_die): Don't abort on seeing a second definition if
3485 the previous one was abstract. Don't replace an abstract instance
3486 in the lookup table.
3488 * dwarf2out.c (dwarf2out_abstract_function): Rename from
3489 gen_abstract_function.
3490 * dwarf2out.h: Declare it.
3491 * toplev.c (note_outlining_of_inline_function): New fn.
3492 * toplev.h: Declare it.
3493 * integrate.c (output_inline_function): Call it.
3494 * c-decl.c (duplicate_decls): Call it when redefining an extern
3495 inline. Don't inline the new defn.
3497 * tree.h (BLOCK_CHAIN): Use BLOCK_CHECK.
3499 2001-02-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3501 * .gdbinit: Rename to gdbinit.in.
3502 * gdbinit.in: New file,
3503 * configure.in: Generate .gdbinit from gdbinit.in.
3504 * configure: Regenerated.
3505 * Makefile.in (distclean): Always remove .gdbinit.
3507 2001-02-16 Jakub Jelinek <jakub@redhat.com>
3509 * objc/objc-act.c (start_class): Register implemented_classes with
3512 2001-02-16 Neil Booth <neil@daikokuya.demon.co.uk>
3514 * cppfiles.c (_cpp_make_system_header): Generate a file
3517 2001-02-15 Jim Meyering <meyering@lucent.com>
3519 * Makefile.in (install-common): Don't depend on installdirs here.
3520 Instead, make each of the lang.install-common targets (e.g.,
3521 c++.install-common in cp/Make-lang.in) depend on it.
3522 (install-driver): Depend on installdirs.
3524 Thu Feb 15 21:30:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3526 * flow.c (tidy_fallthru_edge): Never end block on line number NOTE.
3528 * function.c (assign_parms): Set RTX_UNCHANGING_P in pseudo when we
3531 2001-02-15 Mark Mitchell <mark@codesourcery.com>
3533 * invoke.texi (--param): Document.
3535 Thu Feb 15 15:16:38 2001 Alexandre Oliva <aoliva@redhat.com>
3537 * config/sh/sh.h (BOOL_TYPE_SIZE): Don't define.
3539 Thu Feb 15 10:52:31 CET 2001 Jan Hubicka <jh@suse.cz>
3541 * i386.md (extendsfdf2_2): Fix constraints.
3543 Thu Feb 15 09:46:21 CET 2001 Jan Hubicka <jh@suse.cz>
3545 * i386.md (fop_df_3 splitter): Fix operand number.
3547 Wed Feb 14 12:37:37 CET 2001 Jan Hubicka <jh@suse.cz>
3549 * invoke.texi (-mreg-alloc): Nuke.
3550 * i386.c (ix86_reg_alloc_order, regs_allocated,
3551 order_regs_for_local_alloc): Nuke.
3552 (override_options): Kill reg_alloc code.
3553 * i386.h (TARGET_OPTIONS): Kill reg-alloc.
3554 (REG_ALLOC_ORDER): SSE goes before I387.
3555 (ORDER_REGS_FOR_LOCAL_ALLOC): Kill.
3556 (ix86_reg_alloc_order): Likewise.
3557 * i386-protos.h (ix86_reg_alloc_order): Kill.
3559 2001-02-14 Richard Henderson <rth@redhat.com>
3561 * toplev.c (f_options): Clarify -fschedule-insns2 documentation.
3563 Wed Feb 14 11:59:58 CET 2001 Jan Hubicka <jh@suse.cz>
3565 * i386.h (RETURN_IN_MEMORY): Fix formating; reject TFmodes
3567 Wed Feb 14 11:12:38 CET 2001 Jan Hubicka <jh@suse.cz>
3569 * i386-protos.h (ix86_memory_move_cost): Move offline.
3570 * i386.c (ix86_register_move_cost): Compute properly cost of
3571 SSE, MMX and i387 instructions.
3572 (*_cost): Add costs of SSE/MMX moves.
3573 (ix86_memory_move_cost): Move offline from ....; Likewise.
3574 * i386.h (MEMORY_MOVE_COST): .... here;
3575 (struct processor costs): Add new fields to represent costs
3578 Wed Feb 14 10:08:26 CET 2001 Jan Hubicka <jh@suse.cz>
3580 * regclass.c (init_reg_sets_1): Reinstall the optimization of
3581 move_cost together with Matt Kraai's fix.
3583 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
3585 * Makefile.in (OBJS): Add params.o.
3587 2001-02-14 Richard Henderson <rth@redhat.com>
3588 DJ Delorie <dj@redhat.com>
3590 * jump.c (jump_optimize_1): When we delete a conditional jump
3591 preceeding a non-conditional jump to effectively the same place,
3592 make sure that the combined jump skips any clobber insns between
3595 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
3597 * gcc.c (do_spec_1): Fix off-by-one error for '%M' case.
3599 2001-02-14 Mark Mitchell <mark@codesourcery.com>
3601 * Makefile.in (toplev.o): Depend on params.h.
3602 (intergate.o): Likewise.
3603 (params.o): New target.
3604 * flags.h (inline_max_insns): Remove.
3605 * integrate.c: Include params.h.
3606 Use MAX_INLINE_INSNS instead of inline_max_insns.
3607 * params.c: New file.
3608 * params.h: Likewise.
3609 * params.def: Likewise.
3610 * toplev.c: Include params.h.
3611 (lang_independent_params): New variable.
3612 (decode_f_option): Use the param machinery instead of setting
3614 (independent_decode_option): Handle "--param name=value".
3615 (main): Register language-independent parameters.
3617 Wed Feb 14 11:13:45 CET 2001 Jan Hubicka <jh@suse.cz>
3619 * i386.md (pushsf, pushdf_nointeger): Fix constraint.
3621 2001-02-14 Richard Henderson <rth@redhat.com>
3623 * regclass.c (init_reg_sets_1): Revert last two changes.
3625 2001-02-14 Jakub Jelinek <jakub@redhat.com>
3627 * stor-layout.c (is_pending_size, put_pending_size): New functions.
3628 (variable_size): Call put_pending_size.
3629 * tree.h (is_pending_size, put_pending_size): Add prototypes.
3630 * fold-const.c (extract_muldiv): If SAVE_EXPR is on the pending
3631 sizes list, put newly created SAVE_EXPR there as well.
3633 2001-02-14 Jakub Jelinek <jakub@redhat.com>
3635 * config/ia64/ia64.c (last_group): Only 2 entries are needed.
3636 (errata_find_address_regs): load_group has only 2 entries.
3637 (errata_emit_nops): Likewise. shladd is not problematic.
3638 Clear last_group if nop was emitted.
3639 (fixup_errata): load_group has only 2 entries.
3642 2001-02-14 Neil Booth <neil@daikokuya.demon.co.uk>
3644 * c-lex.c (lex_number): Only warn traditionally for U suffix
3645 outside system macros.
3646 * cppexp.c (parse_number): Similarly.
3647 * cpplib.h (NODE_SYSHDR, cpp_sys_objmacro_p): New.
3648 * cppmacro.c (struct cpp_macro): New member node.
3649 (parse_args): Only warn about missing rest args if not
3651 (funlike_invocation_p): Similarly for uninvoked funlike macros.
3652 (cpp_sys_objmacro_p): New.
3653 (_cpp_create_definition): Store the node with the macro defn.
3654 Remember if the macro is defined in a system header.
3656 2001-02-13 DJ Delorie <dj@redhat.com>
3658 * configure.in (check_languages): determine languages to check
3659 * Makefile.in (check-c++): alias for check-g++
3660 (check-f77): alias for check-g77
3661 (CHECK_TARGETS): depend on configured languages
3663 Wed Feb 14 01:13:59 CET 2001 Jan Hubicka <jh@suse.cz>
3665 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
3666 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
3667 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
3668 (sqrtextendsfdf2): Disable for SSE2.
3670 Wed Feb 14 00:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
3672 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
3673 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
3674 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
3675 (sqrtextendsfdf2): Disable for SSE2.
3677 Wed Feb 14 00:11:20 CET 2001 Jan Hubicka <jh@suse.cz>
3679 * i386.md (movsfcc_1): Support integer cmove instruction.
3680 (movdfcc_1): Likewise; new splitter.
3682 Tue Feb 13 23:19:27 CET 2001 Jan Hubicka <jh@suse.cz>
3684 * i386.c (output_fp_compare): Support SSE.
3685 (prepare_fp_compare_args): SSE comparisons always support memory.
3686 * i386.h (TARGET_CMOVE): SSE imply cmove.
3687 * i386.md (cmp?f2): Enable for SSE too.
3688 (cmpfp_i*): Support SSE.
3690 (cmpfp_i_sse_only): New.
3691 (s*, b* fp expanters): Enable for SSE too.
3692 (fp_jcc_1_sse, fp_jcc_1_sse_only, fp_jcc_2_sse, fp_jcc_2_sse_only):
3695 Tue Feb 13 23:05:42 CET 2001 Jan Hubicka <jh@suse.cz>
3697 * regclass.c (init_reg_sets_1): Silence warning.
3699 Tue Feb 13 22:03:07 CET 2001 Jan Hubicka <jh@suse.cz>
3701 * i386.md (sqrt?f2): Change to expander.
3702 (sqrt?f2_1, sqrt?f2_sse_only, sqrt?f2_i387): New.
3704 Tue Feb 13 15:42:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3706 * rtlanal.c (find_reg_equal_equiv_note): New function.
3707 * simplify-rtx.c (simplify_gen_unary, simplify_gen_ternary): New fns.
3708 (simplify_gen_relational, simplify_replace_rtx): Likewise.
3709 * rtl.h: Add declarations for above functions.
3711 Tue Feb 13 21:09:11 CET 2001 Jan Hubicka <jh@suse.cz>
3713 * cse.c (cse_main): Converts ifdefs on PIC_OFFSET_TABLE_REGNUM to
3715 * defaults.h (PIC_OFFSET_TABLE_REGNUM): Default to INVALID_REGNUM.
3716 * emit-rtl.c (init_emit_once): Convert ifdefs to conditionals.
3717 * flow.c (mark_regs_live_at_end): Likewise.
3718 (calculate_global_regs_live): Likewise.
3719 * gcse.c (compute_hash_table): Likewise.
3720 (compute_kill_rd): Likewise.
3721 * resource.c (mark_target_live_regs): Likewise.
3722 * rtl.h (INVALID_REGNUM): New macro.
3724 Tue Feb 13 20:59:22 CET 2001 Jan Hubicka <jh@suse.cz>
3726 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch.
3728 Tue Feb 13 16:32:20 CET 2001 Jan Hubicka <jh@suse.cz>
3730 * i386.md (fixsfsi2, fixdfdi2): Force operand to register
3733 Tue Feb 13 14:53:16 CET 2001 Jan Hubicka <jh@suse.cz>
3735 * i386.md (add?f3, sub?f3, mul?f3, dif?f3): Enable for TARGET_SSE(2)
3737 (fop_sf_comm, fop_df_comm, fop_sf_1, fop_df_1): Support SSE.
3738 (fop_sf_comm_sse, fop_df_comm_sse): New patterns.
3739 (fop_sf_1_sse, fop_df_1_sse): New patterns
3740 (fop_*): Disable float_extend and float patterns for SSE compilation.
3741 * i386.c (output_387_binary_op): Support SSE.
3743 Tue Feb 13 14:16:34 CET 2001 Jan Hubicka <jh@suse.cz>
3745 * i386.md (dummy_extendsfdf2): Support SSE2
3746 (extendsfdf2): Enable if 80387 or SSE2.
3747 (extendsfdf2_1): Support SSE2. Disable if SSE2 is avialble
3748 and no MIX_I387_SSE2
3749 (extendsfdf2_1_sse_only): New pattern.
3750 (truncdfsf2): Enable if SSE2 or 80387; Always use SSE only version
3752 (truncdfsf2_1): Support SSE.
3753 (truncdfsf2_2): Support SSE.
3754 (truncdfsf2_2_1_sse): New pattern.
3755 (fixtruncsfsi2): Always use SSE if available.
3756 (fix_truncsfsi_sse): New pattern.
3757 (fix_truncdfsi_sse): New pattern.
3758 (floatsis?f2): Support SSE.
3759 (floatsidf2_i387): New pattern.
3760 (floatsidf2_sse): Likewise.
3762 Tue Feb 13 07:52:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3764 * configure.in: Use "have_gnat" variable, not "gnat".
3765 * configure: Regenerated.
3767 * config/sparc/sparc.c (function_value): Treat all non-record
3768 aggregate types like used to treat UNION_TYPE.
3770 Tue Feb 13 13:31:33 CET 2001 Jan Hubicka <jh@suse.cz>
3772 * i386.c (print_reg): Use ANY_FP_REG instead of FP_REG
3773 * i386.h (MASK_128BIT_LONG_DOUBLE): Renumber
3775 (MASK_MIX_SSE_I387): New.
3776 (TARGET_SSE): SSE2 imply SSE.
3777 (TARGET_SSE2, TARGET_MIX_SSE_I387): New.
3778 (TARGET_SWITCHES): Add "sse2", "mix-sse-i387".
3779 (enum reg_class): Add new classes.
3780 (REG_CLASS_NAMES): Likewise.
3781 (REG_CLASS_CONTENTS): Likewise.
3782 (ANY_FP_REG_P, ANY_FP_REGNO_P, SSE_REG_P, SSE_FLOAT_MODE): New macros.
3783 (REG_CLASS_FROM_LETTER): 'x' and 'y' is SSE_REGS only when SSE is
3784 supported. Add 'Y' to be SSE_REGS when SSE2 is supported.
3785 (CLASS_MAX_NREGS): Use new macros.
3786 (REGISTER_MOVE_COST): Rewrite using SECONDARY_MEMORY_MAYBE_NEEDED.
3787 * i386.md (pushsf, movsf): Support SSE.
3788 (pushdf_nointeger, pushdf_integer, pushdf): Support SSE, update
3789 splitters to use ANY_FP_REGNO_P.
3790 (movdf_nointeger, movdf_integer): Likewise.
3792 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
3794 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): New macro.
3795 (try_combine): Use it.
3797 Tue Feb 13 11:37:06 CET 2001 Jan Hubicka <jh@suse.cz>
3799 * i386.h (SSE_CLASS_P, MMX_CLASS_P, MAYBE_FLOAT_CLASS_P,
3800 MAYBE_SSE_CLASS_P, MAYBE_MMX_CLASS_P): New macros.
3801 (PREFERRED_RELOAD_CLASS, SECONDARY_MEMORY_NEEDED): Move offline.
3802 (REGISTER_MOVE_COST): Likewise.
3803 * i386-protos.h (ix86_secondary_memory_needed,
3804 ix86_preferred_reload_class, ix86_register_move_cost): Declare.
3805 * i386.c (ix86_secondary_memory_needed,
3806 ix86_preferred_reload_class, ix86_register_move_cost): New function.
3808 Die Feb 13 11:04:25 CET 2001 Jan Hubicka <jh@suse.cz>
3810 * i386.h (VALID_FP_MODE_P, VALID_INT_MODE_P): New.
3811 (HARD_REGNO_MODE_OK): Move offline to ....
3812 * i386.c (ix86_hard_regno_mode_ok) ... here;
3813 refuse all incorrect modes.
3814 * i386-protos.h (ix86_hard_regno_mode_ok): Declare.
3816 2001-02-13 Richard Henderson <rth@redhat.com>
3818 * sparc.md (cmp_cc_arith_op_set): Don't use match_dup on the
3819 entire operator; replicate that and match_dup the operands.
3820 (cmp_ccx_arith_op_set): Likewise.
3821 (cmp_cc_arith_op_not_set): Likewise.
3822 (cmp_ccx_arith_op_not_set): Likewise.
3824 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
3826 * explow.c (trunc_int_for_mode): Sign-extend value to mode.
3828 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
3830 * config/rs6000/sysv4.h (MASK_NO_BITFIELD_WORD): New macro.
3831 (TARGET_NO_BITFIELD_WORD): New macro.
3832 (SUBTARGET_SWITCHES): Add -mbit-word, -mno-bit-word options.
3833 (BITFIELD_NBYTES_LIMITED): Define based on TARGET_NO_BITFIELD_WORD.
3835 Mon Feb 12 18:13:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3837 * cselib.c: New file, from simplify-rtx.c.
3838 * simplify-rtx.c: Remove cselib parts.
3839 * Makefile.in: Add cselib.o.
3841 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
3843 * config/rs6000/rs6000.c (rs6000_float_const): Remove warning.
3844 (setup_incoming_varargs): Remove warning.
3846 * config/rs6000/rs6000.c (validate_condition_mode): When
3847 flag_fast_math, allow floating-point conditionals to be reversed.
3848 (rs6000_generate_compare): When flag_fast_math, don't generate
3849 cror operations for FP conditionals.
3851 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Handle
3853 (ASM_SPEC): Likewise.
3854 (CC1_ENDIAN_LITTLE_SPEC): Likewise.
3855 (CC1_SPEC): Likewise.
3856 (LINK_TARGET_SPEC): Likewise.
3857 (CPP_ENDIAN_SPEC): Likewise.
3858 * Makefile.in (check-consistency): New target.
3860 2001-02-12 Joseph S. Myers <jsm28@cam.ac.uk>
3862 * c-decl.c (grokdeclarator): In C99 mode, give the more specific
3863 "return type defaults" warning for functions with return type
3865 * c-lang.c (c_init): In C99 mode, enable warnings for implicit
3866 function declarations by default rather than only when pedantic.
3868 Mon Feb 12 17:28:48 CET 2001 Jan Hubicka <jh@suse.cz>
3870 * regclass.c (init_reg_sets_1): Optimize calculation of move_cost
3873 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
3875 * extend.texi (Deprecated): Deprecate new initializer lists.
3877 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
3879 * mkdeps.c (deps_add_default_target): Robustify. Add
3880 basename component only.
3881 * cpp.texi (-M): Describe how default target is generated.
3882 * invoke.texi (-M): Likewise.
3884 2001-02-12 Kazu Hirata <kazu@hxi.com>
3886 * toplev.c (push_float_handler): Remove.
3887 (pop_float_handler): Remove.
3888 * toplev.h: Remove prototypes for the above functions.
3890 2001-02-12 Jakub Jelinek <jakub@redhat.com>
3892 * c-common.c (constant_fits_type_p): New function.
3893 (convert_and_check): Use it.
3895 2001-02-11 Mark Mitchell <mark@codesourcery.com>
3897 * Makefile.in (GXX_ABI_FLAG): Don't define.
3898 * configure.in (--enable-new-gxx-abi): Remove option.
3899 * config.in: Regenerated.
3900 * configure: Likewise.
3902 2001-02-12 Alexandre Oliva <aoliva@redhat.com>
3904 * lcm.c (compute_earliest): Let EXIT_BLOCK be handled as a regular
3906 (optimize_mode_switching) [NORMAL_MODE]: Set up EXIT_BLOCK as a
3907 regular basic block, and arrange for all edges into it to switch
3910 2001-02-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3912 * Makefile.in (distclean): Do not remove .gdbinit.
3914 2001-02-11 Mark Mitchell <mark@codesourcery.com>
3916 * Makefile.in (gcc.o): Fix typos.
3917 (protize.o): Likewise.
3918 (unprotoize.o): Likewise.
3920 2001-02-11 Richard Henderson <rth@redhat.com>
3922 * tree.c (build1): Check for null operand in last change.
3924 2001-02-11 Richard Henderson <rth@redhat.com>
3926 * fold-const.c (split_tree): Don't assume a constant isn't splittable.
3927 (fold): Don't assume a constant isn't foldable.
3928 * tree.c (build): Set TREE_CONSTANT for an expression with no
3929 side-effects and constant operands.
3932 2001-02-10 Richard Henderson <rth@redhat.com>
3934 * jump.c (squeeze_notes): Revert 2000-05-12 change.
3936 2001-02-10 Anthony Green <green@redhat.com>
3938 * cpp.texi (Standard Predefined): Add documentation for
3941 * c-common.c (combine_strings): Improve warning message.
3943 2001-02-10 Geoffrey Keating <geoffk@redhat.com>
3945 * config/rs6000/sysv4.h (LINK_TARGET_SPEC): Use two dashes for
3947 * config/rs6000/sysv4le.h (LINK_TARGET_SPEC): Likewise.
3949 Fri Feb 9 15:05:27 2001 Christopher Faylor <cgf@cygnus.com>
3951 * config/i386/t-cygwin (T_CPPFLAGS): Use correct location for
3954 2001-02-09 Alexandre Oliva <aoliva@redhat.com>
3956 * config/sh/sh.md (sibcalli, sibcalli_pcrel, sibcalli): Set
3959 2001-02-09 Nick Clifton <nickc@redhat.com>
3961 * config/arm/arm.md: Change output contraint on post inc
3962 load/store multiple patterns to be a read/write contraint.
3964 2001-02-09 Neil Booth <neil@daikokuya.demon.co.uk>
3966 * gcc.c (cpp_options): Delete .d files on error. Don't delete
3967 .o files when using the -M options.
3969 2001-02-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3970 David Edelsohn <edelsohn@gnu.org>
3972 * config/rs6000/rs6000.c (output_toc): Allow 32-bit targets to
3973 handle DImode constants. Use one TOC entry for SImode and smaller
3974 constants, aligned properly.
3976 2001-02-08 Jason Merrill <jason@redhat.com>
3978 * config/arm/arm.c (arm_expand_prologue): Do tell the dwarf2 backend
3979 about the SP adjustment for saving the static chain pointer.
3980 * dwarf2out.c (dwarf2out_frame_debug_expr): Use the specified
3981 offset when setting a temporary CFA register.
3983 2001-02-08 Chandrakala Chavva <cchavva@redhat.com>
3985 * config.gcc : New targets, i386-*-chorusos*, sparc-*-chorusos*,
3986 powerpc-*-chorusos* .
3987 * config/rs6000/chorus.h : New file.
3988 * config/i386/chorus.h : New file.
3989 * config/sparc/chorus.h : New file.
3990 * config/sparc/t-chorus-elf : New file.
3992 2001-02-08 David Edelsohn <edelsohn@gnu.org>
3994 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Move from here ...
3995 * config/rs6000/aix.h (ASM_OUTPUT_SYMBOL_REF): ... to here.
3996 * config/rs6000/aix51.h (CPLUSCPLUS_CPP_SPEC): Define it.
3997 (__WCHAR_TYPE__): Correct macro name.
3999 2001-02-08 Richard Henderson <rth@redhat.com>
4001 * config/i386/i386.c (ix86_frame_pointer_required): New.
4002 (ix86_setup_frame_addresses): New.
4003 (struct machine_funciton): Add accesses_prev_frame.
4004 * config/i386/i386.h (FRAME_POINTER_REQUIRED): Call
4005 ix86_frame_pointer_required.
4006 (SUBTARGET_FRAME_POINTER_REQUIRED): New.
4007 (SETUP_FRAME_ADDRESSES): New.
4008 * config/i386/i386-protos.h: Update.
4009 * config/i386/sco5.h (SUBTARGET_FRAME_POINTER_REQUIRED): Rename
4010 from FRAME_POINTER_REQUIRED.
4011 * config/i386/svr3gas.h: Likewise.
4012 * config/i386/sysv3.h: Likewise.
4013 * config/i386/v3gas.h: Likewise.
4015 2001-02-08 Richard Henderson <rth@redhat.com>
4017 * config/sparc/sparc.c (function_arg_record_value_3): Fix
4018 calculation of the number of integer registers required.
4019 (function_arg_record_value): Likewise.
4021 2001-02-08 Jason Merrill <jason@redhat.com>
4023 * diagnostic.c (internal_error): Say "confused" after 1 error, not
4024 two. Print file and line with "confused" message.
4026 * dwarf2out.c (dwarf2out_line): Include filename in -dA output.
4028 Thu Feb 8 11:21:28 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4030 * rtlanal.c (remove_node_from_expr_list): Correctly update PREV.
4032 2001-02-08 Bernd Schmidt <bernds@redhat.com>
4034 * final.c (cleanup_subreg_operands): The address of a MEM can
4037 * config/ia64/ia64.c (ia64_variable_issue): Call group_barrier_needed_p
4040 2001-02-08 Joseph S. Myers <jsm28@cam.ac.uk>
4042 * gcc.texi (Incompatibilities): Update documentation of
4043 preprocessing numbers.
4045 2001-02-07 Jakub Jelinek <jakub@redhat.com>
4047 * c-decl.c (finish_enum): Revert part of 2000-01-05 change.
4049 2001-02-07 Mark Mitchell <mark@codesourcery.com>
4051 * config/rs6000/aix43.h (CPLUSCPLUS_CPP_SPEC): Define it.
4053 * defaults.h (CPLUSPLUS_CPP_SPEC): New macro.
4054 * gcc.c (struct compiler): Add cpp_spec field.
4055 (input_file_compiler): New variable.
4056 (do_spec_1): Allow a particular compiler to handle `%C'
4058 (main): Store the current compiler in input_file_compiler.
4059 * tm.texi (CPLUSPLUS_CPP_SPEC): Document.
4061 2001-02-07 Zack Weinberg <zack@wolery.stanford.edu>
4063 * cpphash.h (struct spec_nodes): Add n_true and n_false.
4064 * cppinit.c (cpp_create_reader): Initialize them.
4065 (append_include_chain): cxx_aware arg might be unused.
4066 * cppexp.c (lex): In C++ mode, recognize 'true' and 'false'
4067 keywords and give them their phase 7 meaning. Pedwarn about
4068 this unless '__bool_true_false_are_defined' is defined.
4070 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
4072 * lcm.c (optimize_mode_switching): Emit mode_set before the
4073 JUMP_INSN of an abnormal edge.
4075 2001-02-07 Bernd Schmidt <bernds@redhat.com>
4077 * builtins.c (expand_builtin_setjmp_receiver): Emit an ASM_INPUT as
4078 a scheduling barrier at the end.
4080 * tm.texi (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): Document.
4082 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
4084 * config/sh/sh.md (reload_outsf): Removed.
4085 (movsf_ie): Introduce constraints for FPUL loads and stores.
4086 (reload_insf): Broaden the output constraint.
4088 * config/elfos.h (INT_ASM_OP): Don't define it if it's already
4090 * config/sh/sh.h (INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
4091 ASM_OUTPUT_DESTRUCTOR): Copy definitions from config/elfos.h.
4093 2001-02-06 Chandrakala Chavva <cchavva@redhat.com>
4095 * final.c: Revert my previous changes.
4096 * output.h: Make profile_label_no extern.
4097 * config/rs6000/rs6000.c (output_profile_hook): Use standard functions
4098 for generating label.
4100 2001-02-06 Laurynas Biveinis <lauras@softhome.net>
4102 * config/i386/djgpp.h: Add comments about standard paths.
4103 (MD_EXEC_PREFIX): Undefine before defining.
4104 (MD_STARTFILE_PREFIX): New.
4106 2001-01-30 Bruce Korb <bkorb@gnu.org>
4108 fixinc/fixincl.c(process): Emit error message only if appropriate :)
4109 (load_file): do not rely on load_file_data() to close file pointer
4110 fixinc/fixlib.c(load_file_data): do not close passed in file pointer
4111 fixinc/inclhack.def(irix_limits_const): add test_text
4113 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
4115 * cppexp.c (parse_defined): Improve diagnostics for invalid
4118 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
4120 * cppmacro.c (cpp_get_token): Avoid pasting after a builtin.
4122 2001-02-06 Mark Mitchell <mark@codesourcery.com>
4124 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Define.
4125 * config/rs6000/rs6000-protos.h (rs6000_output_symbol_ref): Declare.
4126 * config/rs6000/rs6000.c (VTABLE_NAME_P): New macro.
4127 (rs6000_output_symbol_ref): New function.
4128 (output_toc): Use VTABLE_NAME_P.
4130 Tue Feb 6 07:54:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4132 * print-tree.c (print_node, case PARM_DECL):
4133 Print DECL_ARG_TYPE and DECL_ARG_TYPE_AS_WRITTEN.
4135 * stor-layout.c (reference_types_internal): New variable.
4136 (internal_reference_types): New function.
4137 (layout_type, case REFERENCE_TYPE): Make Pmode if internal.
4138 * tree.h (internal_reference_types): New declaration.
4140 * cse.c (find_best_addr): Fix typo in computing cost.
4142 Mon Feb 5 21:56:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4144 * combine.c (nonzero_bits, case PLUS): If pointers extend unsigned
4145 and this is the sum of a pointer and a constant, we know the result
4147 (num_sign_bit_copies, case PLUS): Likewise.
4148 * explow.c (convert_memory_address): Remove opposite SUBREG.
4149 * function.c (instantiate_new_reg): New function (from common code).
4150 (instantiate_virtual_regs_1): Call it.
4151 For PLUS, handle if (plus (subreg (virt-reg) (const_int))
4152 if pointers sign- or zero-extend.
4153 * simplify-rtx.c (simplify_unary_operation, case ZERO_EXTEND):
4154 If pointers extend unsigned, use inside of SUBREG.
4155 (simplify_unary_operation, case SIGN_EXTEND): Likewise, if sign extend.
4157 2001-02-05 Benjamin Kosnik <bkoz@redhat.com>
4159 * Makefile.in (-DGPLUSPLUS_TOOL_INCLUDE_DIR): Change to target
4160 subdir of gcc_gxx_include_dir.
4161 (gcc_gxx_target_include_dir): Remove.
4163 2001-02-05 Jeffrey Oldham <oldham@codesourcery.com>
4165 * dwarf2out.c: Revise DWARF2 Abbreviation Glossary comments.
4166 (dwarf2out_frame_debug_expr): Revise introductory comments to add
4167 a high-level description.
4169 2001-02-05 Chandrakala Chavva <cchavva@redhat.com>
4171 * final.c: Move the declaration of profile_label_no to ...
4172 * output.h: ... here.
4173 * function.c (expand_function_start): Call PROFILE_HOOK.
4174 * config/rs6000/aix.h: Define PROFILE_HOOK.
4175 * config/rs6000/rs6000-protos.h: output_profile_hook new.
4176 * config/rs6000/rs6000.c (output_profile_hook): Define.
4177 (output_prolog): Do nothing for ABI_AIX as it is taken care by
4178 output_profile_hook.
4179 tm.texi : Explain new macro PROFILE_HOOK.
4181 2001-02-06 Hans-Peter Nilsson <hp@axis.com>
4183 * extend.texi (Extended Asm): Do not say that semicolon is always
4184 a valid line-breaking character for GNU assemblers. Use
4185 newline-tab as the most commonly supported syntax. Use
4186 newline-tab rather than semicolon in multi-insn examples.
4188 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4190 * Makefile.in (gcc_gxx_target_include_dir): Use $(target_alias).
4192 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4193 David Edelsohn <edelsohn@gnu.org>
4195 * config/rs6000/rs6000.c (rs6000_return_addr): Use PIC
4196 code for AIX, even without flag_pic.
4198 2001-02-05 Jakub Jelinek <jakub@redhat.com>
4200 * c-typeck.c (common_type): push and pop binding level around
4201 calling common_type on function parameters.
4203 Mon Feb 5 14:30:37 2001 Christopher Faylor <cgf@cygnus.com>
4205 * config/i386/cygwin.h (CPP_SPEC): Add missing space after -idirafter.
4207 Mon Feb 5 11:23:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4209 * config/mips/mips.c (override_options): Fix typo in last change.
4210 (mips_make_temp_file): Call fatal_io_error, not pfatal_with_name.
4211 (mips_asm_file_end): Likewise; also pass more args to fatal_io_error.
4213 2001-02-05 Nathan Sidwell <nathan@codesourcery.com>
4215 * invoke.texi (-fdump-class-layout): Document.
4216 (-fdump-translation-unit): Use `=' as filename separator.
4218 2001-02-05 Mark Mitchell <mark@codesourcery.com>
4220 * Makefile.in (s-mlib): Don't build multilibs if
4222 (DRIVER_DEFINES): Adjust accordingly.
4224 (protoize.o): Likewise.
4225 (unprotoize.o): Likewise.
4226 * configure.in: Recognize --enable-multilib.
4228 2001-02-04 Mark Mitchell <mark@codesourcery.com>
4230 * Makefile.in (DRIVER_DEFINES): Fix quoting.
4232 * Makefile.in (site.exp): Always set HAVE_LIBSTDCXX_V3.
4233 * configure.in: Remove --enable-libstdcxx_v3 support.
4234 * configure: Regenerated.
4236 Sun Feb 4 15:52:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4238 * config/avr/avr.h (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP):
4239 Call abort instead of fatal.
4240 (TRAMPOLINE_TEMPLATE): Call internal_error instead of fatal.
4241 * config/dsp16xx/dsp16xx.h (FUNCTION_PROFILER): Likewise.
4242 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Likewise.
4243 (TRAMPOLINE_TEMPLATE, INITIALIZE_TRAMPOLINE): Likewise.
4244 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Likewise.
4245 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Likewise.
4247 * diagnostic.h (set_internal_error_function): Renamed.
4248 * toplev.h (internal_error): Renamed from fatal.
4249 (pfatal_with_name): Deleted.
4250 (fatal_io_error): Now has printf-style arguments.
4251 * diagnostic.c (pfatal_with_name): Deleted.
4252 (fatal_io_error): Rework to have args in printf-style.
4253 (set_internal_error_function): Renamed from set_fatal_function.
4254 (internal_error): Renamed from fatal.
4255 (error_recursion, fancy_abort): Call internal_error instead of fatal.
4256 * dwarf2out.c (get_cfa_from_loc_descr): Likewise.
4257 * emit-rtl.c (gen_realpart, gen_imagpart): Likewise.
4258 * expr.c (check_max_integer_computation_mode, expand_expr): Likewise.
4259 * flow.c (verify_flow_info): Likewise.
4260 * config/arm/arm.c (thumb_unexpanded_epilogue): Likewise.
4261 * config/mips/mips.c (save_restore_insns): Likewise.
4263 * except.c (duplicate_eh_handlers): Call abort instead of fatal.
4264 * flow.c (verify_flow_info): Likewise.
4265 * config/arm/arm.c (thumb_load_double_from_address): Likewise.
4266 * config/avr/avr.c (pttreg_to_str, unique_section): Likewise.
4267 (avr_normalize_condition): Likewise.
4268 * config/c4x/c4x.c (c4x_emit_libcall, c4x_valid_operands): Likewise.
4269 * config/dsp16xx/dsp16xx.c (dsp16xx_reg_class_from_letter): Likewise.
4270 (limit_reload_class, double_reg_to_memory): Likewise.
4271 (print_operand_address, emit_1600_code_shift): Likewise.
4272 (gen_tst_reg, gen_compare_reg): Likewise.
4273 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Likewise.
4274 * config/dsp16xx/dsp16xx.c (dsp16xx_invalid_register_for_compare):
4276 * config/dsp16xx/dsp16xx.md (unnamed cmphi): Call abort instead of it.
4278 * c-parse.in (methoddef): Call fatal_error instead of fatal.
4279 * objc/objc-act.c (build_ivar_chain): Likewise.
4280 * dwarfout.c (dwarfout_init): Call fatal_io_error instead of
4282 * graph.c (clean_graph_dump_file): Likewise.
4283 * profile.c (init_branch_prob): Likewise.
4284 * objc/objc-act.c (objc_init): Likewise.
4286 * config/arm/arm.c (arm_override_options): Make errors non-fatal.
4287 * config/avr/avr.c (avr_override_options): Likewise.
4288 * config/c4x/c4x.c (c4x_expand_prologue): Likewise.
4289 * config/dsp16xx/dsp16xx.c (function_prologue): Likewise.
4290 * config/h8300/h8300.c (h8300_init_once): Likewise.
4291 * config/mips/mips.c (override_options): Likewise.
4292 * config/i386/i386.c (override_options): Likewise, rework.
4293 * config/m68k/m68k.c (override_options): Likewise.
4295 * config/dsp16xx/dsp16xx.c (print_operand): Call output_operand_lossage
4297 * config/mips/mips.c (print_operand): Likewise.
4298 * hash.c (hash_allocate): Don't check for failure returns from
4299 obstack functions that can't fail.
4300 (hash_table_init_n, hash_table_init): Likewise; also now return void.
4301 * hash.h (hash_table_init_n, hash_table_init): Now return void.
4302 * objc/objc_act.c (objc_check_decl): Remove unneeded fatal call.
4303 (get_object_reference): Likewise.
4305 2001-02-04 Nick Clifton <nickc@redhat.com>
4307 * config/arm/arm.c (all_cores): Add 710T, 720T, 740T, 940T, 9e,
4308 StrongARM1110, 10TDMI, and 1020T.
4310 2001-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4312 * mips.h (MULTILIB_ISA_DEFAULT): Don't use #elif.
4314 2001-02-04 Alexandre Oliva <aoliva@redhat.com>
4316 * config/sh/sh.md (movdf load split): Pass register number to
4317 FP_OR_XD_REGISTER_P.
4319 2001-02-04 Mark Mitchell <mark@codesourcery.com>
4321 * cppinit.c (BC): New macro.
4322 (builtin_array): Add __GXX_WEAK__.
4323 * cpplib.h (builtin_type): Add BT_WEAK.
4324 * cppmacro.c (builtin_macro): Handle BT_WEAK.
4325 * defaults.h (SUPPORTS_ONE_ONLY): Define.
4326 * varasm.c (SUPPORTS_ONE_ONLY): Do not define.
4328 2001-02-03 Jakub Jelinek <jakub@redhat.com>
4330 * cppinit.c (append_include_chain): Honor NO_IMPLICIT_EXTERN_C.
4332 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
4334 * cpphash.h: Rename _ALIGN POOL_ALIGN.
4335 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
4337 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
4339 * cpphash.h: Rename ALIGN _ALIGN.
4340 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
4342 Fri Feb 2 23:15:29 2001 Christopher Faylor <cgf@cygnus.com>
4344 * config/i386/cygwin.h (CPP_SPEC): Reorganize YA to better handle cross
4345 compilation environment.
4346 * config/i386/t-cygwin (T_CPPFLAGS): Define CYGWIN_CROSS_DIR to allow
4347 control over location of cygwin includes and libs.
4349 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
4351 * c4x.h (HARD_REGNO_CALL_PART_CLOBBERED): Fix typo.
4353 2001-02-02 lars brinkhoff <lars@nocrew.org>
4355 * md.texi (Standard Names): remove reference to spur.md.
4357 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
4359 * c4x.h (IS_INT_CALL_SAVED_REG, IS_FLOAT_CALL_SAVED_REG): Define.
4360 (HARD_REGNO_CALL_PART_CLOBBERED): Use IS_FLOAT_CALL_SAVED_REG.
4361 (INITIAL_FRAME_POINTER_OFFSET, INITIAL_ELIMINATION_OFFSET): Likewise.
4362 * c4x.c (c4x_hard_regno_rename_ok): Use IS_XXX_CALL_SAVED_REG.
4363 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
4365 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4367 * c4x.c (group1_reg_operand, group1_mem_operand, arx_reg_operand,
4368 c4x_arn_reg_operand, c4x_arn_mem_operand): Do not check register
4369 number before reload.
4370 (c4x_adjust_cost): Return zero before reload.
4371 * c4x.md (load_immed_address+1, load_immed_address+2): Do not
4372 split before reload.
4374 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4376 * c4x.c (c4x_hard_regno_rename_ok): New.
4377 * c4x-protos.h (c4x_hard_regno_rename_ok): New.
4378 * c4x.h (HARD_REGNO_RENAME_OK): Define.
4380 Fri Feb 2 20:03:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4382 * diagnostic.h: Add missing "extern" in all declarations.
4384 2001-02-02 Alex Samuel <samuel@codesourcery.com>
4386 * Makefile.in (gcc_gxx_target_include_dir): Generate dynamically
4387 as for gcc_gxx_include_dir.
4389 2001-02-02 Neil Booth <neil@daikokuya.demon.co.uk>
4391 * cpp.texi, invoke.texi: Update -Wtraditional documentation.
4393 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
4395 * config/sh/sh.c (output_far_jump): Don't use braf on SH1. Emit
4396 label before alignment to be used as the braf base address.
4397 * config/sh/sh.md (length): Use longer lengths for SH1 PIC far
4399 (casesi_jump_2): Require at least TARGET_SH2.
4401 * config/float-sh.h (LDBL_EPSILON, LDBL_MIN, LDBL_MAX): Prevent
4402 truncation to 32-bit doubles on -m3e and -m4-single-only.
4404 2001-02-02 Mark Mitchell <mark@codesourcery.com>
4406 * gcc.c (init_gcc_specs): New function. Make -shared-libgcc
4407 the default when building a shared object.
4408 (init_spec): Use it.
4409 * testsuite/lib/g++.exp: Include the directory where libgcc
4410 is located to the LD_LIBRARY_PATH list.
4411 * invoke.texi (-shared-libgcc): Document the cases in which
4412 GCC defaults to using the shared libgcc.
4414 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
4416 * config/fp-bit.h (MAX_USI_INT, MAX_SI_INT): Don't assume
4417 unsigned is wide enough.
4419 * config/fp-bit.c (_fpmul_parts): Don't assume 32-bits SI.
4420 (si_to_float): Likewise.
4421 (float_to_si, float_to_usi): Use BITS_PER_SI.
4423 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
4425 * dwarf2out.c: Added explanation of abbreviations.
4426 (def_cfa_1): Added comments listing DWARF2 instructions.
4427 (cfa_temp_reg): Removed in favor of cfa_temp.
4428 (cfa_temp_value): Removed in favor of cfa_temp.
4429 (cfa_temp): New global variable.
4430 (dwarf2out_frame_debug_expr): Added extensive introductory
4431 comments explaining the function's transformations. Revised to
4432 use cfa_temp. Added some rtx checking. Generalize IOR case.
4433 (dwarf2out_frame_debug): Revised to use cfa_temp.
4434 (output_aranges): Cast as "unsigned" to avoid warning.
4435 * rtl.texi (RTX_FRAME_RELATED_P): Revise entry to emphasize better
4436 explain which instructions must be marked.
4438 2001-02-01 Richard Henderson <rth@redhat.com>
4440 * local-alloc.c (update_equiv_regs): Copy INSN_CODE to the
4443 2001-02-01 Alexandre Oliva <aoliva@redhat.com>
4445 * config/sh/crt1.asm (main_k): Modified so that start calls
4446 ___setup_argv_and_call_main.
4448 2001-02-01 Neil Booth <neil@daikokuya.demon.co.uk>
4450 * cpphash.h (struct cpp_buffer): Move saved_flags from cpp_reader.
4451 * cpplex.c (_cpp_lex_token): New token picks up the saved flags,
4452 and AVOID_LPASTE is cleared on meeting an unescaped newline.
4453 * cppmacro.c (builtin_macro): Set builtin flags here.
4454 (paste_all_tokens): Preserve AVOID_LPASTE on pasted token.
4455 (replace_args): Clarify intent.
4456 (cpp_get_token): Macro expansion tokens get the saved flags.
4458 * cppmain.c (scan_buffer): Remove now-redundant print.printed
4461 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
4463 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Reverse change of
4466 Thu Feb 1 07:22:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4468 * builtins.c (expand_builtin_alloca): allocate_dynamic_stack_space
4469 returns Pmode pseudo, but we need ptr_mode.
4470 * explow.c (allocate_dynamic_stack_space): Use plus_constant.
4471 Remove bogus conversions; use HOST_WIDE_INT for size.
4472 Don't use TARGET if wrong mode.
4474 * config/i386/i386.c (ix86_compute_frame_size): Allow
4475 stack_alignment_needed to be non-default even if size is zero.
4477 2001-01-31 Alan Modra <alan@linuxcare.com.au>
4479 * (hppa_init_pic_save): Emit the pic offset table
4480 reg save after last_parm_insn.
4481 * pa.c (hppa_init_pic_save): New function.
4482 * pa.h (hppa_init_pic_save): Declare.
4483 * pa.md (call, call_value, sibcall, sibcall_value): Use
4484 the above instead of duplicated code.
4486 * pa.c (hppa_encode_label): Correct size of alloca buffer
4487 so we don't overrun it. Correct leading `*' case.
4488 * pa.h (STRIP_NAME_ENCODING): Simplify now that we don't
4489 need to handle `*@'.
4490 (FUNCTION_NAME_P): Likewise.
4492 2001-01-31 Richard Henderson <rth@redhat.com>
4494 * config.gcc (alpha-osf5): Use float-i128.h.
4496 * config/float-i128.h (FLT_EVAL_METHOD, DECIMAL_DIG): Define.
4497 * config/float-i32.h: Likewise.
4498 * config/float-i64.h: Likewise.
4499 * config/float-sh.h: Likewise.
4500 * config/float-sparc.h: Likewise.
4502 2001-01-31 DJ Delorie <dj@redhat.com>
4504 * expmed.c (extract_bit_field): allow non-integral modes if we
4505 want to extract a whole register from itself.
4507 2001-01-31 Jakub Jelinek <jakub@redhat.com>
4509 * c-typeck.c (set_init_index): If first is equal to last, assume as
4510 if it was not a range at all.
4512 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
4514 * config/fp-bit.c: Include tm.h.
4515 (float_to_si): Don't assume SImode is 32-bits wide.
4516 (float_to_usi): Likewise.
4518 2001-01-31 Joseph S. Myers <jsm28@cam.ac.uk>
4520 * c-parse.in (structsp): Pedwarn when "enum foo" refers to an
4522 (typename): Call pending_xref_error after parsing typed_typespecs.
4523 * c-decl.c (lookup_tag): Give error immediately rather than
4524 leaving it pending if the tag of the wrong type is in the same
4526 (xref_tag): Don't pedwarn for forward declarations of enum types
4528 * gcc.texi (Actual Bugs): Remove entry for misuse of struct, union
4531 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
4533 * config/float-sparc.h (LDBL_MAX) [sparc32]: Fix typo.
4535 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
4537 * cpplib.c (T_ELIF): Move to STDC89, not that it matters.
4538 (_cpp_handle_directive): Suggest not using #elif with -Wtraditional.
4540 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
4542 * cpphash.h (struct cpp_reader): New saved_flags.
4543 * cppmacro.c (cpp_get_token): Use saved_flags to remember
4544 to avoid a paste after a pasted token.
4546 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
4548 * libgcc2.h (Wtype_MAX, Wtype_MIN): Define.
4549 * libgcc2.c (__fixunssfSI, __fixunsdfSI, __fixunsxfSI): Use
4550 Wtype_MIN instead of LONG_MIN.
4552 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
4554 * fixinc/fixincl.tpl: Add 2001 to copyright. Change name of
4556 * fixinc/fixincl.x: Regenerated.
4557 * fixinc/inclhack.def (irix_limits_const): New definition to
4558 convert "const" to "__const" in limits.h.
4560 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
4562 * fixinc/genfixes (AG): Fix "autogen4" thinko.
4564 2001-01-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4566 * regmove.c (try_auto_increment): Change REG_DEAD into REG_UNUSED
4567 when register dies in the insn.
4569 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
4571 * diagnostic.c (fatal): Fix word wrap.
4573 2001-01-30 Alexandre Oliva <aoliva@redhat.com>
4575 * combine.c (try_combine): Fix SUBREG setting for
4576 HOST_BITS_PER_WIDE_INT >= 2 * BITS_PER_WORD.
4578 2001-01-30 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4580 * jump.c (comparison_dominates_p): Don't try to handle UNKNOWN
4583 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
4585 * c-decl.c (c_expand_body): Check TYPE_SIZE_UNIT (ret_type)
4587 * toplev.c (decode_W_option): Update warn_larger_than
4588 unconditionally for each processed switch.
4590 2001-01-30 John David Anglin <dave@hiauly1.hia.nrc.ca>
4592 * pa.c (pa_init_machine_status): Initialize pic_offset_table_save_rtx
4594 (hppa_expand_prologue): Delete code to save pic offset table register
4595 in the function prologue.
4596 * pa.h (PIC_OFFSET_TABLE_SAVE_RTX): Correct type in comment.
4597 * pa.md (call, call_value, sibcall, sibcall_value): Save the pic offset
4598 table register at the beginning of the function after the prologue.
4600 2001-01-29 lars brinkhoff <lars@nocrew.org>
4602 * tm.texi (PUSH_ROUNDING): Remove duplicate lines.
4604 2001-01-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
4605 Jeff Law <law@redhat.com>
4607 * pa.md (return): Revise comment for trivial return.
4608 (return_internal): Non-trivial return pattern for non-PIC code.
4609 (return_internal_pic): Non-trivial return pattern for PIC code.
4610 It uses the PIC register to ensure it is restored after
4612 (epilogue): Generate appropriate return for PIC and non-PIC code.
4614 Mon Jan 29 23:53:14 2001 Christopher Faylor <cgf@cygnus.com>
4616 * config/i386/cygwin.h: Fix -mno-cygwin search path for link.
4618 2001-01-29 DJ Delorie <dj@redhat.com>
4620 * combine.c (if_then_else_cond): Pass the correct mode to
4621 operand_subword() for constants.
4623 Mon Jan 29 20:38:19 2001 Christopher Faylor <cgf@cygnus.com>
4625 * config/i386/cygwin.h: Add w32api to include search. Search different
4626 directories in a cross-build environment.
4628 2001-11-29 Tim Josling <tej@melbpc.org.au>
4630 * tree.h (TYPE_STUB_DECL): Add documentation.
4632 2001-11-29 Laurynas Biveinis <lauras@softhome.net>
4634 * sdbout.c (sdbout_one_type): Skip types with indeterminate size.
4635 (sdbout_field_types): Likwise. Fix use of host_integerp.
4637 2001-01-29 Thomas Pfaff <tpfaff@gmx.net>
4639 * mingw32.h: Override STARTFILE_SPEC and LINK_SPEC declared in
4642 2001-01-29 Jeffrey Oldham <oldham@codesourcery.com>
4644 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Revise definition
4645 to use flag_gnu_linker.
4647 2001-01-29 Neil Booth <neil@daikokuya.demon.co.uk>
4649 * cpplib.c (T_BAD_DIRECTIVE): Remove.
4650 (_cpp_init_stacks): Loop from 0 to N_DIRECTIVES - 1.
4652 2001-01-29 Joseph S. Myers <jsm28@cam.ac.uk>
4654 * tree.c, tree.h (build_parse_node): Remove; was identical to
4656 * c-lang.c (start_cdtor), objc/objc-act.c
4657 (build_module_descriptor): Use build_nt instead of
4660 2001-01-29 Jakub Jelinek <jakub@redhat.com>
4662 * config/i386/i386.md (addqi_1_lea): Fix mode (QI instead of HI).
4663 (testqi_1, andqi_2): If widening to SImode, make sure CONST_INT does
4664 not have any upper bits set.
4666 2001-01-29 Phil Edwards <pme@sources.redhat.com>
4668 * COPYING.LIB: Update to LGPL 2.1 from the FSF.
4670 2001-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4672 * stmt.c (estimate_case_costs): Use integer_minus_one_node.
4674 * tree.c (build_common_tree_nodes_2): Set integer_minus_one_node.
4676 * tree.h (tree_index): Add new element TI_INTEGER_MINUS_ONE.
4677 (integer_minus_one_node): Define.
4679 2001-01-28 Alexandre Oliva <aoliva@redhat.com>
4681 * Makefile.in (bootstrap2-lean): Fix typo.
4683 2001-01-28 Neil Booth <neil@daikokuya.demon.co.uk>
4685 * cpphash.c (_cpp_cleanup_hashtable, _cpp_lookup_with_hash)
4686 : Don't set fe_value.
4687 * cpplib.h (AVOID_LPASTE): New flag.
4688 (struct cpp_hashnode): Remove fe_value.
4689 * cpplex.c (cpp_avoid_paste): Don't paste '.' with a number.
4690 * cppmacro.c (builtin_macro): Don't set flags here.
4691 (replace_args): Set AVOID_LPASTE flag on first token of an
4692 argument, and the token following it.
4693 (cpp_get_token): Set AVOID_LPASTE flag on first token of a
4694 macro expansion, and on the token following it. Do it for
4696 * cppmain.c (scan_buffer): Avoid pasting only flagged tokens.
4698 2001-01-27 Richard Henderson <rth@redhat.com>
4700 * config/alpha/t-ieee: Remove multilibbing.
4701 (TARGET_LIBGCC2_CFLAGS): Add -mieee.
4703 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4705 * configure.in: Arrange to include defaults.h in [ht]config.h/tm.h.
4707 * Makefile.in: Remove all dependencies on defaults.h.
4708 * builtins.c: Don't include defaults.h.
4709 * c-common.c: Likewise.
4710 * c-decl.c: Likewise.
4711 * c-pragma.c: Likewise.
4712 * c-typeck.c: Likewise.
4713 * combine.c: Likewise.
4715 * frame-ia64.c: Likewise.
4716 * cppexp.c: Likewise.
4717 * crtstuff.c: Likewise.
4718 * dbxout.c: Likewise.
4719 * dwarf2out.c: Likewise.
4720 * dwarfout.c: Likewise.
4721 * emit-rtl.c: Likewise.
4722 * except.c: Likewise.
4724 * final.c: Likewise.
4725 * frame-dwarf2.c: Likewise.
4726 * libgcc2.c: Likewise.
4727 * optabs.c: Likewise.
4728 * profile.c: Likewise.
4729 * sdbout.c: Likewise.
4730 * toplev.c: Likewise.
4731 * tradcif.y: Likewise.
4733 * varasm.c: Likewise.
4735 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4737 * builtins.c (expand_builtin_fputs): Use size_one_node when
4738 transforming into fwrite.
4740 2001-01-27 Joseph S. Myers <jsm28@cam.ac.uk>
4742 * extend.texi (Attribute Syntax): New section.
4744 2001-01-27 Michael Sokolov <msokolov@ivan.Harhan.ORG>
4746 * fixproto: Correctly install synthesised unistd.h and stdlib.h when
4747 they didn't need fixing.
4749 2001-01-27 Janis Johnson <janis@us.ibm.com>
4751 * config.gcc (i[34567]86-sequent-{ptx4*,sysv4*}): Use usegas.h
4753 * config/ptx4.h: Several fixes to build on DYNIX/ptx v4.[456], and
4754 to remove macro definitions that are duplicated from elfos.h.
4756 2001-01-27 Richard Henderson <rth@redhat.com>
4758 * config/i386/sco5gas.h: Move ...
4759 * config/usegas.h: ... here.
4760 * config.gcc (i[34567]86-*-sco3.2v5) [tm_file]: Update.
4762 2001-01-27 Jakub Jelinek <jakub@redhat.com>
4764 * c-typeck.c (struct constructor_stack): Add range_stack member.
4765 (really_start_incremental_init): Clear it.
4766 (push_init_level): Save constructor_range_stack and clear it if
4767 pushing explicit braces.
4768 (pop_init_level): abort if constructor_range_stack is non-zero at
4769 explicit closing brace. Restore saved constructor_range_stack if
4772 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
4774 * expr.c (emit_move_insn): Add REG_EQUAL note when constant loaded
4775 into register was forced into memory.
4777 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
4779 * Makefile.in: Remove uses of + before $(MAKE).
4781 2001-01-26 Richard Henderson <rth@redhat.com>
4783 * stmt.c (cost_table): Remove.
4784 (COST_TABLE, cost_table_initialized): New.
4785 (estimate_case_costs): Use the later instead of the former.
4786 (balance_case_nodes): Likewise.
4788 2001-01-26 Richard Henderson <rth@redhat.com>
4790 * alias.c (objects_must_conflict_p): Read-only slots may not
4791 conflict despite having the same type.
4793 2001-01-27 Michael Hayes <mhayes@redhat.com>
4795 * loop.c (loop_giv_reduce_benefit): Copy mode size into
4797 (check_ext_dependant_givs): Initialise u_start_val and
4799 (load_mems): Make last_max_reg unsigned.
4800 (try_swap_copy_prop): Use INSN_P and initialise set.
4802 Fri Jan 26 23:22:58 2001 Denis Chertykov <denisc@overta.ru>
4804 * README.AVR : Removed.
4806 Fri Jan 26 11:37:26 2001 Jeffrey A Law (law@cygnus.com)
4808 * pa-64.h (text_section): Remove declaration.
4810 * pa.md (return_internal): Remove mode on PIC register use.
4812 2001-01-25 lars brinkhoff <lars@nocrew.org>
4814 * tm.texi (DATA_ALIGNMENT, LOCAL_ALIGNMENT, ASM_OPEN_PAREN,
4815 ASM_CLOSE_PAREN): fix typos.
4817 2001-01-25 Mark Mitchell <mark@codesourcery.com>
4819 * acconfig.h: Define `const' to the empty string if neither
4820 __STDC__ nor __cplusplus is defined.
4821 * config.in: Regenerated.
4823 2001-01-25 David Edelsohn <edelsohn@gnu.org>
4825 * config.gcc (rs6000-ibm-aix[5-9]*): Change to aix51.h.
4826 * collect2.c (main): Delete importf. Add ".obj" file extension.
4827 (GCC_CHECK_HDR): Handle AIX V5 new magic number.
4828 (aix_std_libs): Add additional AIX libraries to skip.
4829 * config/rs6000/aix.h (MY_ISCOFF): Add AIX V5 new magic number.
4830 * config/rs6000/aix51.h: New file.
4832 2001-01-25 Michael Hayes <mhayes@redhat.com>
4834 * loop.c (loop_call_insn_emit_before, loop_call_insn_hoist): New.
4835 (loop_insn_emit_before): No longer static.
4836 (move_movables): Replace emit_insn_after with loop_insn_emit_after.
4837 (loop_givs_rescan, load_mems): Likewise.
4838 (check_dbra_loop): Replace emit_insn_before with loop_insn_emit_before.
4839 (maybe_eliminate_biv_1):
4840 (move_movables): Replace emit_call_insn_before with
4841 loop_call_insn_hoist.
4842 * loop.h (loop_insn_emit_before): Add.
4843 * unroll.c (copy_loop_body): Replace emit_insn_before with
4844 loop_insn_emit_before.
4846 2001-01-25 Neil Booth <neil@daikokuya.demon.co.uk>
4848 * diagnostic.c (fatal): Request preprocessed source.
4850 Thu Jan 25 02:01:16 2001 J"orn Rennecke <amylaar@redhat.com>
4852 * c-decl.c (duplicate_decls): If different_binding_level is nonzero,
4853 olddecl has argument types and newdecl has none, use the argument
4856 2001-01-24 Ulrich Drepper <drepper@redhat.com>
4858 * dwarf2out.c (prefix_of): New function. Determine longest common
4859 prefix of the two arguments. The units are whole path components.
4860 (output_file_names): When adding a new directory find the one entry
4861 with the longest common prefix already in the list. Artificially
4862 generate entry if there is none for this prefix.
4863 Fix test to check whether the zeroth directory entry is used.
4865 Wed Jan 24 23:51:55 2001 J"orn Rennecke <amylaar@redhat.com>
4867 * reload1.c (reload_reg_free_for_value_p): New parameter start_regno.
4868 Changed all callers. Take it into account when deciding if a
4869 previously loaded value matches.
4871 2001-01-24 Richard Henderson <rth@redhat.com>
4873 * reload.c (find_reloads_subreg_address): Fail the substitution
4874 if the resulting address is insufficiently aligned.
4876 2001-01-24 DJ Delorie <dj@redhat.com>
4878 * combine.c (combine_simplify_rtx): If the modes are all VOIDmode,
4879 check the original operand's mode also.
4880 * simplify-rtx.c (simplify_ternary_operation): Ditto.
4882 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
4884 * c-parse.in (cast_expr): Move compound literals from here ...
4885 (primary): ... to here. Use standard terminology "compound
4886 literal" instead of "constructor expression".
4888 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
4890 * gcc.1, cpp.1: Regenerate.
4892 2001-01-24 Alexandre Oliva <aoliva@redhat.com>
4894 * calls.c (emit_library_call_value_1): Memory slot for
4895 pass-by-reference argument should have the mode of the argument,
4896 not of the pointer to it.
4898 2001-01-24 Tom Tromey <tromey@redhat.com>
4900 * gcc.texi (G++ and GCC): Mention gcj manual.
4901 (Standards): Link to section of manual mentioning gcj/Java
4904 2001-01-24 Jakub Jelinek <jakub@redhat.com>
4906 * cppfiles.c (_cpp_read_file): Add to dependencies if requested.
4907 * cppinit.c (cpp_start_read): Remove deps_add_dep call.
4908 * tradcpp.c (main): Add -imacros or -include'd dependencies
4910 * cpp.texi (-M, -MM): Document -M -include behaviour.
4912 2001-01-24 Roger Collins <roger@ProProject.com>
4914 * config/i386/xm-i386.h: Make __i386__ a boolean macro.
4916 2001-01-24 Will Cohen <wcohen@redhat.com>
4918 * config/mips/abi64.h (RETURN_IN_MEMORY): Always take into account
4919 whether registers are 32 bits or 64 bits in size.
4921 2001-01-24 Ben Elliston <bje@redhat.com>
4923 * config/m32r/m32r.h (PREDICATE_CODES): Remove m32r_not_same_reg.
4925 2001-01-24 Richard Henderson <rth@redhat.com>
4927 * config/alpha/alpha.md (builtin_longjmp_internal): New.
4928 (builtin_longjmp): Use it instead of emit_indirect_jump.
4930 2001-01-23 John David Anglin <dave@hiauly1.hia.nrc.ca>
4932 * bb-reorder.c (make_reorder_chain_1): Handle case where
4933 jump edge goes to the same block as the fallthru edge.
4935 2001-01-23 Jim Wilson <wilson@redhat.com>
4937 * dwarf2out.c (dwarf2out_line): Make last_file_num be unsigned.
4938 * frame.h (__ia64_personality_v1): Add prototype.
4939 * libgcc2.c (ia64_throw_helper): Change personality declaration to
4940 prototype form. Add void * cast to first argument to personality
4942 * real.c (e113toe): Surround with INTEL_EXTENDED_IEEE_FORMAT ifdefs.
4943 (asctoe113): Likewise.
4944 * config/ia64/frame-ia64.c: Include eh-common.h.
4945 * config/ia64/ia64-protos.h (sdata_section, sbbs_section): Add
4947 * config/ia64/ia64.c (emit_insn_group_barriers): Add ATTRIBUTE_UNUSED
4949 (itanium_split_issue): Add prototype.
4950 (gen_nop_type): Ifdef out.
4951 (find_best_packet): Initialize best_packet.
4952 (ia64_encode_section_info): New local string. Use for ggc_alloc_string
4954 * config/ia64/ia64.h (ASM_OUTPUT_LONG_DOUBLE): Use 0L not 0.
4955 * config/ia64/ia64.md (bsp_value): Add explicit stop bit at start.
4956 (flushrs): Add explicit stop bit at end.
4957 * config/ia64/lib1funcs.asm (__ia64_restore_stack_nonlocal): Change
4960 2001-01-23 Chris Demetriou <cgd@broadcom.com>
4962 * libgcc-std.ver (GCC_3.0): Add __terminate_func_set to list
4964 * libgcc2.c (__terminate_func): Make variable static.
4965 (__terminate_set_func): New function to set __terminate_func.
4966 * libgcc2.h (__terminate_func_ptr): New typedef.
4967 (__terminate_set_func): New function.
4969 2001-01-23 Richard Henderson <rth@redhat.com>
4971 * flow.c (init_propagate_block_info): Don't consider unchanging
4972 memories for dead frame store elimination.
4974 2001-01-23 Richard Henderson <rth@redhat.com>
4976 * varasm.c (UNIQUE_SECTION): Move default implementation ...
4977 * defaults.h: ... here.
4979 2001-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4981 * c4x.h (TARGET_LOAD_DIRECT_MEMS): Define.
4983 2001-01-23 Neil Booth <neil@daikokuya.demon.co.uk>
4985 * c-lex.c (lex_charconst): Fix typo: s/p/str.
4987 2001-01-23 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4989 * rs6000.h (rs6000_return_addr): Move prototype from here...
4990 * rs6000-protos.h (rs6000_return_addr): ...to here.
4991 (rs6000_init_expanders): Delete prototype.
4993 2001-01-23 Nick Clifton <nickc@redhat.com>
4995 * invoke.texi: Replace , with \, inside @gccoptlist macros.
4996 (Spec Files): Document %B and %j and %. and %v3 and %M and
4997 %{S*&T} spec switches.
4999 2001-01-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5001 * c4x.c (c4x_r11_set_p): Calculate rtx code correctly.
5003 2001-01-23 Chris Demetriou <cgd@sibyte.com>
5004 Neil Booth <neil@daikokuya.demon.co.uk>
5006 * cpperror.c: Merge handlers of PEDWARN and WARNING.
5007 Have -Werror make pedantic warnings errors, like the
5010 2001-01-23 Phil Edwards <pme@sources.redhat.com>
5012 * c-tree.texi (IDENTIFIER_LENGTH): Fix typo.
5014 2001-01-23 Jakub Jelinek <jakub@redhat.com>
5016 * integrate.h (struct inline_remap): Add compare_src, compare_mode.
5017 * integrate.c (expand_inline_function): Initialize them.
5018 (subst_constants): If changing COMPARE so that both its arguments
5019 will be VOIDmode and the comparison mode will be lost, note
5020 compare_mode. Use the recorded compare_mode to optimize
5023 2001-01-23 Jason Merrill <jason@redhat.com>
5025 * dwarf2out.c (new_die): Use xcalloc.
5026 (output_die): Abort rather than emit a local reference to offset 0.
5028 2001-01-17 Andrew Haley <aph@redhat.com>
5030 * libgcc2.c (get_reg_addr): Don't abort if we haven't got a copy
5031 of a saved register; return NULL instead.
5032 (copy_reg): Take a pointer to a source register rather than a
5034 (next_stack_level): Remember the address in the stack frame of all
5036 Use the saved register pointer array as the source of the CFA.
5037 (throw_helper): Rewrite. Unwind once rather than twice and keep
5038 track of saved registers as we go.
5040 2001-01-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5042 * c4x-protos.h (c4x_legitimize_reload_address): Remove.
5043 * c4x.c (c4x_legitimize_reload_address): Remove.
5044 * c4x.h (LEGITIMIZE_RELOAD_ADDRESS): Rewrite to generate correct
5045 reload address for ldp(k) insn.
5047 Mon Jan 22 20:53:47 2001 Jeffrey A Law (law@cygnus.com)
5049 * pa.md (return_internal): Add a USE of the PIC register to ensure
5050 it is restored after each call.
5051 (return expander): Corresponding changes.
5053 2001-01-22 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5055 * rs6000.h (INIT_EXPANDERS): Delete.
5056 (RETURN_ADDR_RTX): Call rs6000_return_addr().
5057 * rs6000.c (rs6000_override_options): Call *_machine_status from
5059 (rs6000_init_expanders): ...instead of here. Delete.
5060 (rs6000_mark_machine_status): New function.
5061 (rs6000_init_machine_status): Use xcalloc.
5062 (rs6000_return_addr): Generate RTX for the return address.
5063 (rs6000_ra_ever_killed): New, check if LR was ever destroyed.
5064 (rs6000_stack_info): Use it.
5066 2001-01-22 Thomas Pfaff <tpfaff@gmx.net>
5068 * gthr-win32.h: Include errno.h to get a declaration for
5069 EINVAL and _mingw.h if the target is mingw32.
5071 2001-01-22 Andres Felipe Vargas <avargas@teletulua.com.co>
5073 * cpp.texi: Correct typos.
5075 Mon Jan 22 13:59:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5077 * explow.c (probe_stack_range): Ensure value passed to
5078 stack_check_libfunc is ptr_mode, not Pmode.
5080 Mon Jan 22 16:53:06 2001 J"orn Rennecke <amylaar@redhat.com>
5082 * recog.c (validate_replace_rtx_1): In ZERO_EXTEND / SIGN_EXTEND
5083 case, don't use operand_subword to calculate a SUBREG that is
5086 * rtl.texi: Comparisons yield 0 or STORE_FLAG_VALUE.
5088 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5090 * c4x.c (c4x_valid_rptb_p, c4x_label_ref_used_p): New functions.
5091 (c4x_rptb_insert): Call c4x_valid_rptb_p to check if repeat block is
5092 valid. If not replace it by equivalent insns.
5094 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5096 * c4x.c (c4x_check_legit_addr): Only check CONST. Not if CONST
5097 contains SYMBOL_REF, LABEL_REF and CONST_INT.
5098 (c4x_U_constraint, symbolic_address_operand): Likewise.
5099 (c4x_immed_float_constant): Do not check if CONST_DOUBLE is in
5101 (c4x_r11_set_p, c4x_check_laj_p): New functions.
5102 * c4x-protos.h (c4x_check_laj_p): Add prototype.
5103 * c4x.md (in_annul_slot_3): Do not allow auto-increment in last
5104 anulling slot because of silicon bug.
5105 (laj, lajv): Call c4x_check_laj_p to check for silicon bug.
5107 2001-01-22 Alan Modra <alan@linuxcare.com.au>
5109 * cppexp.c (parse_charconst): Change `mask' type to agree
5112 2001-01-21 Richard Henderson <rth@redhat.com>
5114 * config/i386/i386.c (ix86_asm_file_end): Disable putting
5115 pic_label_name in a linkonce section.
5117 2001-01-17 Philipp Thomas <pthomas@suse.de>
5119 * aclocal.m4 (AM_WITH_NLS): Add -lintl to LIBS if gettext was
5121 * configure: Regenerate.
5123 Sun Jan 21 02:38:56 2001 J"orn Rennecke <amylaar@redhat.com>
5125 * expmed.c (synth_mult, expand_mult_highpart, expand_divmod): Guard
5126 uses of shift_cost, shiftadd_cost and shiftsub_cost with bound checks.
5128 Sun Jan 21 09:44:17 2001 Denis Chertykov <denisc@overta.ru>
5130 * config/avr/avr.c (ret_cond_branch): New argument (reverse) added.
5131 If REVERSE nonzero then condition code in X must be reversed.
5132 (encode_section_info): Optimise if/else.
5133 (avr_function_value): Fix formatting.
5135 * config/avr/avr.md (branch): Call to ret_cond_branch changed.
5136 (difficult_branch): Likewise.
5137 (rvbranch): Likewise.
5138 (difficult_rvbranch): Likewise.
5140 * config/avr/avr-protos.h (ret_cond_branch): Prototype changed.
5142 * config/avr/libgcc.S: Fix comment.
5144 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
5146 * sdbout.c (PUT_SDB_DEF): Fix after last bogus change.
5148 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
5150 * cppinit.c (INO_T_EQ): Don't use #elif, fix formatting.
5152 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
5154 * aclocal.m4 (gcc_AC_FUNC_STRSTR): New macro.
5155 * configure.in (gcc_AC_FUNC_STRSTR): Add invokation.
5156 * configure, config.in: Regenerate.
5157 * Makefile.in (STRSTR, HOST_STRSTR, USE_HOST_STRSTR): New variables.
5158 (LIBDEPS, HOST_LIBDEPS, LIBS, HOST_LIBS): Add strstr handling.
5159 (strstr.o, $(HOST_PREFIX_1)strstr.o): New rules.
5160 (doprint.o): New rule.
5162 2001-01-20 Joseph S. Myers <jsm28@cam.ac.uk>
5164 * c-typeck.c (digest_init): Handle boolean types as scalars.
5166 Sat Jan 20 12:46:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5168 * stmt.c (expand_return): Don't return anything if size is zero.
5169 Delete redundant assignment to BYTES.
5170 * expr.c (move_block_from_reg): Do nothing if NREGS is zero.
5172 2001-01-20 Marek Michalkiewicz <marekm@linux.org.pl>
5174 * config/avr/avr.h (INIT_TARGET_OPTABS): Remove most of it, was
5175 the same as the default library function names.
5176 * config/avr/avr.md: Document special characters after '%'.
5177 (mulqi3, mulhi3, mulsi3): Call libgcc.S functions ourselves,
5178 knowing which of the call-used registers are really clobbered.
5179 (divmodqi4, udivmodqi4, divmodhi4, udivmodhi4, divmodsi4, udivmodsi4):
5180 New. Both quotient and remainder from one libgcc.S call.
5181 * config/avr/libgcc.S: Optimize mul/divmod for the new insns above,
5182 clobber as few registers as possible.
5183 * config/avr/t-avr (LIB1ASMFUNCS): Adjust for the above changes.
5185 2001-01-20 Neil Booth <neil@daikokuya.demon.co.uk>
5187 * cppmacro.c (funlike_invocation_p): Don't move back up to the
5188 context of the top of the stack.
5190 2001-01-20 Jakub Jelinek <jakub@redhat.com>
5192 * function.c (fixup_var_refs): Move CALL_PLACEHOLDER handling...
5193 (fixup_var_refs_insns): ...here.
5195 2001-01-20 Zack Weinberg <zack@wolery.stanford.edu>
5197 * function.c (fixup_var_refs_insns): Break up into
5198 fixup_var_refs_insn [body of loop], fixup_var_refs_insns
5199 [loop over entire insn list], and fixup_var_refs_insns_with_hash
5200 [loop over hash table entries].
5201 (fixup_var_refs): Adjust calls to fixup_var_refs_insns and/or
5202 fixup_var_refs_insns_with_hash, to match above changes.
5204 2001-01-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
5206 * Makefile.in (ORDINARY_FLAGS_TO_PASS): Add MAKEOVERRIDES variable.
5207 (libgcc.a): Likewise.
5208 (stmp-multilib): Likewise.
5209 (STAGE2_FLAGS_TO_PASS): Likewise.
5211 2001-01-19 Alexandre Oliva <aoliva@redhat.com>
5213 * config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as
5214 temporary if no_new_pseudos.
5216 2001-01-19 Neil Booth <neil@daikokuya.demon.co.uk>
5218 * cppinternals.texi: Update.
5220 2001-01-19 Richard Earnshaw <rearnsha@arm.com>
5222 * arm.c (arm_init_builtins): Re-enable builtins.
5224 Fri Jan 19 13:02:56 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5226 * rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility.
5227 * flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow
5228 element to be null, and always expect an EXPR_LIST.
5229 * rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise.
5230 * sched-deps.c (sched_analyze_1): Likewise.
5231 * sched-rgn.c (check_live_1, update_live_1): Likewise.
5233 * regclass.c (max_set_parallel): New variable.
5234 (reg_scan): Take it into account in computation of max_parallel.
5235 (reg_scan_mark_refs, case SET): Compute it.
5237 * alias.c (rtx_equal_for_memref_p, case ADDRESSOF): Don't assume
5239 * expr.c (store_constructor): Don't look at MEM_ALIAS_SET unless MEM.
5240 * function.c (assign_parms): Use INTVAL for a CONST_INT.
5242 2001-01-19 Jason Merrill <jason@redhat.com>
5244 * dwarf2out.c (gen_subprogram_die): Don't reuse the in-class decl
5245 for the abstract instance of an inline function.
5247 Fri Jan 19 14:31:35 2001 Alexandre Oliva <aoliva@redhat.com>
5248 J"orn Rennecke <amylaar@redhat.com>
5250 * reload1.c (move2add_note_store): Treat all registers directly or
5251 indirectly derived from a base register as members of the same set
5253 (reload_cse_move2add): Adjust accordingly. Take mode and offset
5254 of base register into account.
5256 Fri Jan 19 09:18:42 2001 J"orn Rennecke <amylaar@redhat.com>
5258 * alias.c (find_base_value): Recognize TRUNCATE.
5259 (record_set): In PLUS case, invalidate if other summand is also a
5262 Thu Jan 18 06:43:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5264 * flow.c (mark_set_1, case PARALLEL): New case; rework to allow
5265 entry to be EXPR_LIST.
5266 * rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to
5267 be an EXPR_LIST (but not null, which other code doesn't allow).
5268 (note_stores): Properly handle PARALLEL in SET.
5269 Recursively call for top-level PARALLEL.
5270 * sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET.
5271 * sched-rgn.c (check_live_1, update_live_1): Likewise.
5273 * config.gcc (rs6000-ibm-aix*, rs6000-bull-bosx): Add rs6000/aix.h.
5275 2001-01-18 Neil Booth <neil@daikokuya.demon.co.uk>
5277 * cpplib.c (_cpp_handle_directive): Use buffer->was_skipping,
5278 not pfile->skipping (== 0).
5280 2001-01-17 Nick Clifton <nickc@redhat.com>
5282 * config/rs6000/rs6000.c: Add prototypes for {init|free}_
5285 2001-01-17 Jim Wilson <wilson@redhat.com>
5287 * invoke.texi (IA-64 options): Improve.
5289 2001-01-17 Tom Tromey <tromey@redhat.com>
5291 * invoke.texi (Optimize Options): Use `{}' to around @samp
5294 2001-01-17 Aldy Hernandez <aldyh@redhat.com>
5296 * invoke.texi (-fno-guess-branch-probability): New option.
5298 Wed Jan 17 13:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5300 * combine.c (try_combine): Don't set i3_subst_into_i2 for
5301 case of making new double-word constant.
5302 Revert last change: instead just test i3_subst_into_i2.
5304 2001-01-17 Jakub Jelinek <jakub@redhat.com>
5306 * config/i386/i386.md (cmpqi_minus_1): Use {b} for QImode operation.
5307 Use q constraints instead of r.
5309 Tue Jan 16 22:23:04 2001 Alan Modra (alan@linuxcare.com.au)
5311 * config/pa/pa.h (PIC_OFFSET_TABLE_REGNUM_SAVED): Remove.
5312 (machine_function): Define.
5313 (PIC_OFFSET_TABLE_SAVE_RTX) : Define.
5314 * config/pa/pa.c (pa_init_machine_status, pa_mark_machine_status,
5315 pa_free_machine_status): New functions.
5316 (override_options): Set {init,mark,free}_machine_status to above.
5317 (hppa_expand_prologue): Use PIC_OFFSET_TABLE_SAVE_RTX instead of
5318 PIC_OFFSET_TABLE_REGNUM_SAVED.
5319 * config/pa/pa.md: Use PIC_OFFSET_TABLE_SAVE_RTX instead of
5320 PIC_OFFSET_TABLE_REGNUM_SAVED throughout.
5321 * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Remove
5322 references to PIC_OFFSET_TABLE_REGNUM_SAVED.
5323 * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
5325 2001-01-15 DJ Delorie <dj@redhat.com>
5327 * Makefile.in (gcov.1): Protect against texi2pod/pod2man failing.
5331 Tue Jan 16 17:20:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5333 * flow.c (propagate_on_insn): Make trying to delete a prologue
5334 or epilogue insn an ICE, not a warning. Allow doing this if
5335 the current function returns with stack pointer depressed.
5337 * combine.c (try_combine): If i3_subst_into_i2, properly check for
5338 I3 having more than one SET.
5340 2001-01-16 Jim Wilson <wilson@redhat.com>
5342 * invoke.texi: Document IA-64 options.
5344 * config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support.
5345 (fixup_errata): Delete TARGET_A_STEP use.
5346 * config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete.
5347 (TARGET_SWITCHES): Delete -ma-step option.
5348 * config/ia64/ia64.md (all FP patterns): Delete %B0.
5349 (movqicc_astep, movqi_internal_astep, movhicc_astep,
5350 movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1,
5351 movdi_internal_astep, movsfcc_astep, movsf_internal_astep,
5352 movdfcc_astep, movdf_internal_astep, movtfcc_astep,
5353 movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep):
5355 (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
5356 movsf_internal, movdf_internal, movtf_internal, cmovdi_internal,
5357 cmovsi_internal): Delete ! TARGET_A_STEP check.
5359 2001-01-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
5361 * gcc.texi (Bug Lists): Do not mention newsgroups nor the
5362 possibility to report bugs via postal mail. Change a URL and
5363 merge in a nearly duplicate statement...
5364 (Bug Reporting): ...from here.
5365 (Service): Refer to the Bug Reporting section instead of
5367 (Contributing): Remove trivial explanations concerning snapshots.
5369 2001-01-16 Alan Modra <alan@linuxcare.com.au>
5371 * cppmain.c (general_init): Don't use ANSI prototype.
5373 2001-01-16 Tom Tromey <tromey@redhat.com>
5375 * gcc.c (cpp_options): Added `*' to specs for -MF, -MQ, and -MT.
5377 2001-01-16 Richard Henderson <rth@redhat.com>
5379 * config/i386/i386.h: Fix comment typo.
5380 * config/i386/i386.md (shift+compare pattern names): s/cmpno/cmp/
5381 (ashr+compare patterns): Match CCGOCmode not CCNOmode.
5383 2001-01-16 Phil Edwards <pme@sources.redhat.com>
5385 * gcc.c: Revert previous -fsyntax-only-related change; move
5388 2001-01-16 Jakub Jelinek <jakub@redhat.com>
5390 * config/i386/i386.c (fcmov_comparison_operator): Only initialize
5391 inmode after checking GET_CODE (op).
5393 2001-01-16 Richard Henderson <rth@redhat.com>
5395 * flow.c (struct propagate_block_info): Add mem_set_list_len.
5396 (MAX_MEM_SET_LIST_LEN): New.
5397 (propagate_one_insn): Update mem_set_list_len.
5398 (invalidate_mems_from_autoinc): Likewise.
5399 (invalidate_mems_from_set): Likewise.
5400 (mark_used_regs): Likewise.
5401 (init_propagate_block_info): Likewise. Stop collecting memories
5402 when we reach MAX_MEM_SET_LIST_LEN.
5403 (mark_set_1): Likewise.
5405 2001-01-16 Richard Henderson <rth@redhat.com>
5407 * unroll.c (precondition_loop_p): Fail if no iteration
5410 2001-01-16 Phil Edwards <pme@sources.redhat.com>
5412 * gcc.c: When -fsyntax-only is given, do not complain about
5415 2001-01-15 Richard Henderson <rth@redhat.com>
5417 * config/i386/i386.c (asm_output_function_prefix): Remove.
5418 (ix86_asm_file_end): New.
5419 (load_pic_register): Generate pic_label_name into a
5420 staticly allocated buffer.
5421 * config/i386/i386-protos.h: Update.
5422 * config/i386/i386.h (ASM_OUTPUT_FUNCTION_PREFIX): Remove.
5423 (ASM_FILE_END): New.
5424 * config/i386/i386afe.h: New file.
5425 * config.gcc (i?86-*-elf) [tm_file]: Use it.
5426 (i?86-*-{freebsd,linux*,moss*}): Likewise.
5427 * config/elfos.h (ASM_FILE_END): Undef before redefinition.
5428 * config/i386/cygwin.h (ASM_FILE_END): Likewise.
5429 * config/i386/osfrose.h (ASM_FILE_END): Invoke ix86_asm_file_end.
5430 * config/i386/sco5.h (ASM_FILE_END): Likewise.
5431 * config/i386/winnt.c (i386_pe_asm_file_end): Likewise.
5433 2001-01-15 Joseph S. Myers <jsm28@cam.ac.uk>
5435 * Makefile.in (install-man): Remove explicit dependency on
5438 * configure.in, configure: Revert previous patch requiring perl
5441 2001-01-12 Aldy Hernandez <aldyh@redhat.com>
5443 * toplev.c (flag_guess_branch_prob): New.
5444 (f_options): Add guess-branch-probability option.
5445 (rest_of_decl_compilation): Only estimate branch probability if
5447 (main): set flag_guess_branch_prob.
5449 * flags.h (flag_guess_branch_prob): New.
5451 2001-01-15 DJ Delorie <dj@redhat.com>
5453 * gcc.texi (Makefile): Add documentation for Makefile targets.
5455 2001-01-15 Philip Blundell <philb@gnu.org>
5457 * config/arm/arm.c (arm_finalize_pic): New arg "prologue".
5459 * config/arm/arm-protos.h (arm_finalize_pic): Update prototype.
5460 (is_pic): Delete declaration.
5461 * config/arm/arm.h (FINALIZE_PIC): Update call to arm_finalize_pic.
5462 (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address.
5463 * config/arm/arm.md (builtin_setjmp_receiver): New.
5465 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
5467 * arm.c (use_return_insn): Don't try to determine the function type
5468 until after reload has completed.
5469 (arm_output_epilogue): Don't adjust the sp value recovered from the
5471 (emit_multi_reg_push): Don't record dwarf information for the pc.
5472 * arm.md (eh_epilogue): The function type may have changed, so it
5473 needs to be recalculated.
5474 * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete. Can now use dwarf2
5475 unwind tables on arm/netbsd.
5477 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
5479 * arm.md (cbranchsi4): Correct calculation of branch ranges.
5480 (negated_cbranchsi4): Likewise.
5482 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
5484 * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define.
5485 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
5486 (ASM_SPEC): Call subtarget_extra_asm_spec. Don't
5487 pass -mapcs-* options to assembler.
5488 * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define.
5489 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
5490 (ASM_SPEC): Call subtarget_extra_asm_spec.
5492 2001-01-15 Andreas Jaeger <aj@suse.de>
5494 * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove
5496 (ix86_expand_builtin): Likewise.
5498 * gencodes.c (output_predicate_decls): Make i size_t to avoid
5499 warning about comparison between signed and unsigned.
5501 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
5503 * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs.
5505 2001-01-14 Ralf Baechle <ralf@gnu.org>
5507 * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change
5508 SUBTARGET_CPP_SPEC apropriatly.
5510 2001-01-12 Mark Mitchell <mark@codesourcery.com>
5512 * varasm.c (make_decl_rtl): Fix typo in last change.
5514 2001-01-14 Jeffrey Oldham <oldham@codesourcery.com>
5516 * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the
5517 linker supports the init_priority C++ attribute.
5518 * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro.
5519 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix
5520 linker does not support init_priority C++ attribute.
5522 Sun Jan 14 22:31:30 2001 J"orn Rennecke <amylaar@redhat.com>
5524 * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs.
5526 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
5528 * c-parse.in (finish_parse): Add comment about cpp_destroy.
5529 * cp/lex.c (finish_parse): Similarly.
5530 * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity.
5531 Return the number of errors encountered.
5532 * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int.
5533 * cppmain.c (main): Don't call cpp_destroy.
5535 2001-01-14 Joseph S. Myers <jsm28@cam.ac.uk>
5537 * configure.in: Require at least perl 5.6.0 to regenerate
5539 * configure: Regenerate.
5541 2001-01-14 Richard Henderson <rth@redhat.com>
5543 * genrecog.c (DT_veclen_ge): New.
5544 (add_to_sequence) [MATCH_PARALLEL]: Generate one.
5545 (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge.
5546 (nodes_identical_1): Handle DT_veclen_ge.
5547 (write_cond, debug_decision_2): Likewise.
5549 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
5551 * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete. Replace
5553 (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New.
5555 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
5557 * cppmain.c (do_preprocessing): New function; most of the old
5559 (main): Call it to do most of the work.
5560 (cb): Move from global scope to set_callbacks ().
5561 (setup_callbacks): Get the callback pointer.
5562 (general_init, printer_init): Clean up code and comments.
5564 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
5566 * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
5569 2001-01-14 Kazu Hirata <kazu@hxi.com>
5571 * config/h8300/h8300.c (get_shift_alg): Update comments.
5573 Sun Jan 14 06:20:49 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5575 * ggc-page.c (alloc_annon): Call perror and correctly call exit.
5576 (alloc_page, ggc_alloc): Add casts to remove warnings.
5578 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
5580 * combine.c (simplify_comparison): Don't change `code' when
5581 can't reverse comparison.
5583 2001-01-14 Richard Henderson <rth@redhat.com>
5585 * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
5586 update all call sites. Return true for all non-label constants.
5588 Sun Jan 14 10:09:48 MET 2001 Jan hubicka <jh@suse.cz>
5590 * i386.c (ix86_expand_compare): Add bypass_test and second_test
5592 (ix86_expand_branch): Update.
5593 (ix86_expand_setcc): Update to handle multiple test conditions.
5594 (expand_int_movcc): Likewise.
5595 (expand_fp_movcc): Likewise.
5596 * i386-protos.h (ix86_expand_compare): New.
5597 * i386.md (andqi_?_slp, orqi_?_slp): New.
5598 (conditional trap expander): Update call to ix86_expand_compare.
5600 2001-01-14 Richard Henderson <rth@redhat.com>
5602 * config/vax/vax.md: Use nonimmediate_operand instead of
5603 general_operand in destinations.
5605 * config/vax/vax.md (indirect_jump): Use register_operand.
5607 * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
5608 * config/vax/vax.md (call_pop): Turn into an expander.
5609 (call_value_pop): Likewise.
5610 (call, call_value): New.
5612 2001-01-14 Andreas Jaeger <aj@suse.de>
5614 * config/i386/i386.c (ix86_split_fp_branch): Remove unused
5616 (ix86_fp_compare_mode): Add unused attribute.
5617 (ix86_expand_fp_movcc): Remove unused variable.
5618 (ix86_expand_builtin): Make fcode unsigned.
5620 * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
5621 (expand_expr): Add cast to avoid signed warning.
5622 (store_field): Likewise.
5623 (store_constructor_field): Likewise.
5624 (store_constructor): Likewise.
5625 (store_expr): Likewise.
5626 (clear_storage): Likewise.
5627 (emit_group_store): Likewise.
5628 (emit_group_load): Likewise.
5630 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
5632 * c-common.c: Move format checking code to ...
5633 * c-format.c: ... here. New file. Reorder some functions and
5635 (decl_handle_format_attribute, decl_handle_format_arg_attribute):
5637 * c-common.h (decl_handle_format_attribute,
5638 decl_handle_format_arg_attribute): Declare.
5639 * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
5640 (c-common.o): Adjust dependencies.
5641 (c-format.o): New list of dependencies.
5643 2001-01-13 Jakub Jelinek <jakub@redhat.com>
5645 * unroll.c (loop_iterations): If we cannot prove iteration variable
5646 is set once in each iteration, punt.
5648 Sun Jan 14 00:23:15 2001 Denis Chertykov <denisc@overta.ru>
5650 * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
5651 (*strlenhi): Remove clobber (which was buggy) of output address.
5653 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
5655 * Makefile.in (generated-manpages): Add gcc.1
5656 ($(srcdir)/gcc.1): New target.
5657 (maintainer-clean): Delete $(srcdir)/gcc.1.
5658 * gcc.texi: Add macros @gccoptlist and @gol.
5659 * invoke.texi: Include option summary in manpage. Mark up option
5660 summary with @gccoptlist and @gol. Use @r in one place where
5662 * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
5663 * gcc.1: Generate from invoke.texi.
5665 2001-01-13 Richard Henderson <rth@redhat.com>
5667 * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
5668 (struct page_entry): Add group member.
5669 (struct page_group): New.
5670 (struct globals): Add page_groups member.
5671 (alloc_anon): Only define for using mmap; remove valloc call.
5672 (page_group_index): New.
5673 (set_page_group_in_use): New.
5674 (clear_page_group_in_use): New.
5675 (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
5676 (free_page, release_pages): Likewise.
5677 * configure.in (with-gc): Default to ggc-page always.
5679 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
5681 * reload1.c (replace_pseudos_in_call_usage): Use
5682 reg_equiv_constant and reg_equiv_address, and don't try
5683 regno_reg_rtx first.
5685 2001-01-13 Richard Henderson <rth@redhat.com>
5687 * ggc-page.c (alloc_page): Round up allocation size to one page.
5688 Set e->order on extra pages.
5690 2001-01-13 Richard Henderson <rth@redhat.com>
5692 * genrecog.c (nodes_identical): Expand commentary.
5693 (write_switch): Watch out for identical nodes.
5695 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
5697 * cppfiles.c (_cpp_fake_include): New function.
5698 * cpphash.h (_cpp_fake_include): New.
5699 * cpplib.c (do_line): Call _cpp_fake_include when entering
5700 header files in preprocessed input.
5701 * cppmain.c (cb_pragma_implementation): Remove handling.
5702 (setup_callbacks): Don't register pragmas.
5704 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
5706 * extend.texi: Udate for CPP.
5708 2001-01-13 Andreas Jaeger <aj@suse.de>
5710 * reload1.c: Add prototype for replace_pseudos_in_call_usage.
5712 * regmove.c: Add prototype for replace_in_call_usage.
5714 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
5716 * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
5717 struct cpp_chunk, struct htab, struct toklist,
5718 struct cpp_context, CPP_STACK_MAX, struct lexer_state,
5719 struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
5720 CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
5721 ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
5722 (struct macro_args): Delete.
5723 * cpphash.h: See above.
5725 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
5727 * cppmain.c (struct printer): Remove no_line_dirs.
5729 (main, setup_callbacks, scan_buffer, printer_init, cb_define)
5730 : Use options rather than CPP_OPTION.
5731 (setup_callbacks): Use cb rather than pfile->cb.
5732 (main): No need to check for a buffer. Use cpp_errors.
5733 (printer_init): Don't set no_line_dirs.
5734 (maybe_print_line): Use options not no_line_dirs.
5735 (cb_file_change): Don't call print_line if -P.
5737 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
5739 * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
5741 * c-parse.in (finish_parse): Use cpp_errors.
5742 (__yylex): Use return value of cpp_pop_buffer.
5743 * cp/lex.c (finish_parse): Use cpp_errors.
5744 * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
5746 Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru>
5748 * README.AVR: URLs corrected.
5750 Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5752 * c-decl.c (start_function): Don't warn if old prototype is builtin
5753 that's not in C's namespace.
5754 * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
5755 (_bb): Add prototype for ctime.
5756 * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
5758 Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz>
5760 * i386.c (ix86_fp_comparison_arithmetics_cost,
5761 ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
5762 ix86_fp_comparison_cost): New functions.
5763 (ix86_expand_fp_compare): Use the costs to choose best bethod; add
5764 two new parameters SECOND_TEST and BYPASS_TEST; allow generating
5765 two-branch sequences; make static.
5766 (ix86_use_fcomi_compare): Do decision according to the costs.
5767 (split_fp_branch): New.
5768 * i386.md (compare-and-branch patterns): Use split_fp_branch.
5769 * i386-protos.h (ix86_expand_fp_compare): Remove
5770 (ix86_split_fp_branch): Declare.
5772 * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
5773 and ix86_comparison_operator.
5775 * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
5778 * i386.c (put_condition_code): Output properly the unordered/ordered
5779 compares in fp case.
5780 (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
5782 * tm.texi (REVERSE_CONDITION): Document.
5783 * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
5784 in -ffast-math mode.
5785 * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
5787 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
5789 * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
5791 * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
5794 * config/sh/sh.c (mova_p): Fix test for mova_const.
5796 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
5798 * fix-header.c (read_scan_file): Use cpp_get_callbacks and
5799 cpp_get_options rather than dereferencing pfile and using
5801 * scan-decls.c (scan_decls): Use return value of
5802 cpp_pop_buffer rather than CPP_BUFFER.
5804 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
5806 * cppinit.c (cpp_handle_option): help_only is now part of the
5807 cpp_options structure.
5808 * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
5809 cpp_set_callbacks): New functions.
5810 * cpplib.h (cpp_callbacks): Break out as a named structure.
5811 (cpp_options): Move help_only here from cpp_reader.
5812 (CPP_FATAL_ERRORS): Update to use cpp_errors.
5813 (cpp_errors, cpp_get_options, cpp_get_callbacks,
5814 cpp_set_callbacks): New prototypes.
5815 * cppmain.c (main): Update for help_only.
5817 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
5819 * Makefile.in (info, maintainer-clean, install-info, uninstall):
5820 Also build and remove and install and uninstall c-tree.info and
5822 ($(srcdir)/gcc.info): Add dependency on contrib.texi.
5823 ($(srcdir)/cppinternals.info): New target.
5824 * c-tree.texi: Change file name used when makeinfo used without -o
5825 from ir.info to c-tree.info. Add info directory entry.
5826 * cppinternals.texi: Add info directory entry.
5827 * .cvsignore: Update.
5829 2001-01-12 Jakub Jelinek <jakub@redhat.com>
5831 * c-typeck.c (store_init_value): Don't require constant initializer
5832 elements with -pedantic -std=c99.
5833 (digest_init): Change error about non-constant initializer elements
5835 (constructor_range_end): Remove.
5836 (constructor_incremental, designator_depth,
5837 designator_errorneous): New variables.
5838 (struct constructor_stack): Remove range_end, add incremental.
5839 (struct constructor_range_stack, constructor_range_stack): New.
5840 (struct initializer_stack): Add constructor_range_stack.
5841 (finish_init): Set it.
5842 (start_init): Likewise. require_constant_elements for non-static
5843 trees only if not flag_isoc99.
5844 (really_start_incremental_init): Remove constructor_range_end, add
5845 constructor_incremental.
5846 (pop_init_level): Likewise.
5847 (push_init_level): Likewise. If implicit and the subobject had some
5848 value set already, preinitialize the level with it.
5849 Warn about missing braces only if not pushing due to designators.
5850 (set_designator, push_range_stack): New functions.
5851 (set_init_label): Use them.
5852 (set_init_index): Likewise. Remove constructor_range_end.
5853 Error if designator index is outside of array bounds.
5854 (add_pending_init): Compare values of purpose index trees, not the
5855 trees themselves. Allow overwriting of already initialized element.
5856 Issue a warning if it had side-effects.
5857 (set_nonincremental_init, set_nonincremental_init_from_string): New
5859 (pending_init_member): Rename to...
5860 (find_init_member): ...this function. Call set_nonincremental_init
5861 if necessary. Compare values of purpose index trees, not the trees
5862 themselves. Return the actual value, not just non-zero if something
5864 (output_init_element): Remove checks for duplicates.
5865 If field has zero size, only check the initializer for correctness.
5866 Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL
5867 if constructor_incremental is zero. Change error about initializers
5868 not computable at load time into pedwarn.
5869 (output_pending_init_elements): Compare bit positions, not
5870 FIELD_DECLs to take into account zero-sized fields.
5871 (process_init_element): Use constructor_range_stack to fill all
5872 ranges in the designator lists from current level up.
5873 * extend.texi: Update documentation for labeled elements.
5875 2001-01-12 Alexandre Oliva <aoliva@redhat.com>
5877 * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
5878 to function usage for arguments passed by reference. Optimize
5879 callee-copied arguments.
5880 * regmove.c (replace_in_call_usage): New function.
5881 (fixup_match_1): Call it.
5882 * cse.c (cse_insn): Canonicalize registers in function usage.
5883 * reload1.c (replace_pseudos_in_call_usage): New function.
5886 * Makefile.in: Reverted yesterday's wrong patch. Installed the
5889 2001-01-12 Jakub Jelinek <jakub@redhat.com>
5891 * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
5894 2001-01-12 DJ Delorie <dj@redhat.com>
5896 * Makefile.in (bootstrap): rename stages to be mnemonic. Add
5897 restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
5900 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
5902 * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
5903 tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to
5904 -std options alongside references to -ansi. Update some
5905 documentation for C99.
5906 * cpp.1: Regenerate.
5908 2001-01-12 Andreas Jaeger <aj@suse.de>
5910 * haifa-sched.c (restore_line_notes): Remove argument block B
5912 * sched-ebb.c (schedule_ebb): Change caller.
5913 * sched-rgn.c (schedule_region): Likewise.
5914 * sched-int.h (restore_line_notes): Adjust prototype.
5916 * loop.h: Remove wrong declaration of doloop_condition_get.
5918 2001-01-12 Phil Edwards <pme@sources.redhat.com>
5920 * extend.texi: Move C++-extension-related node from the C section
5921 into the C++ section.
5923 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
5925 * extend.texi: Refer to an array of pointers to functions instead
5926 of one of functions.
5928 Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de>
5929 Jan Hubicka <jh@suse.cz>
5931 * combine.c (reversed_comparison): Fix typo in last patch.
5933 (combine_reversed_comparison_code): Make static to follow
5934 prototype declaration.
5936 2001-01-12 Phil Edwards <pme@sources.redhat.com>
5938 * install.texi: Remove misplaced duplicate entry.
5940 2001-01-11 Ulrich Drepper <drepper@redhat.com>
5942 * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
5944 Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
5946 * final.c: (leaf_function_p): Fix typo.
5948 2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
5950 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
5951 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
5953 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
5954 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
5955 mmap_anon, and valloc is available.
5956 * ggc-page.c: Restructure ifdef logic to match new autoconf
5957 spec. Don't throw away the test page in init_ggc.
5959 * configure, config.in: Regenerate.
5961 2001-01-12 Michael Hayes <mhayes@redhat.com>
5963 * loop.h (total_biv_increment): Constify iv_class pointer.
5964 (struct induction): Replace `mem_mode' with `mem' rtx.
5965 * unroll.c (total_biv_increment): Constify iv_class pointer.
5966 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
5967 (find_mem_givs, combine_givs_p): Likewise.
5968 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
5970 2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
5972 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
5974 (__gthread_getspecific): Ditto.
5976 Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
5978 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
5979 put_condition_code): Convert fp comparison codes to integer
5981 (ix86_expand_fp_compare): Postnote the fp comparison code converison
5984 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
5985 * i386-protos.h (no_comparison_operator): Kill.
5987 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
5989 * combine.c (REVERSIBLE_CC_MODE): Remove.
5990 (reversible_comparison_p): Remove.
5991 (combine_reversed_comparison_code): New.
5992 (reversed_comparison): New.
5993 (combine_simplify_rtx): Use
5994 combine_reversed_comparison_code/reversed_comparison instead
5995 of reversible_comparison_p.
5996 (simplify_if_then_else): Likewise.
5997 (simplify_set): Likewise.
5998 (simplify_logical): Likewise.
5999 (if_then_else_cond): Likewise.
6000 (known_cond): Likewise.
6001 (simplify_comparison): Likewise.
6003 2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
6005 * builtins.c (std_expand_builtin_va_start): Handle varargs when
6006 sizeof (int) is larger than sizeof(__word__).
6008 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
6010 * cppinit.c (do_includes): Fix typo.
6012 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
6014 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
6015 in S_REGS does not occur because not all sources are possible
6016 when a S_REGS is a destination (sometimes needs a clobber).
6017 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
6018 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
6019 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
6020 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
6021 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
6022 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
6023 (lshrdi_const1, lshrsi3_const16): Likewise.
6024 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
6025 (*movhi_68hc12, *movqi_68hc12): Likewise.
6026 (movstrictqi): Make sure reloading in D_REGS as a destination
6029 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
6031 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
6033 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
6035 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
6036 -D, -U and -A, and don't initialize the builtins.
6037 (do_includes): Error if -include or -imacros with -fpreprocessed.
6038 * cppmain.c (cb_define, cb_undef): Unconditionally process
6040 * tradcpp.c (main): Fix typo.
6042 2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
6044 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
6045 (read_name_map): Use IS_ABSOLUTE_PATH.
6046 * tradcpp.c (get_filename): Likewise.
6048 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
6050 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
6051 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
6052 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
6053 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
6054 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
6055 (cmphi_z_used): Don't use '@' for the output.
6056 (tstqi_z_used): Likewise.
6057 (cmpqi_z_used): Likewise.
6058 (one_cmplsi2): Likewise.
6060 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
6062 * config/sh/sh.c (barrier_align): Recognize branch around far
6063 branch and redundant insn.
6065 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
6067 * invoke.texi: Restore documentation of the drivers' switches -MD
6070 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
6072 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
6074 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
6075 check-objc//%): Support parallel testing of multilibs.
6076 (TESTSUITEDIR): Set to testsuite by default, but override for
6078 (check-gcc, check-g++, check-g77, check-objc): Enter
6081 2001-01-11 Bernd Schmidt <bernds@redhat.com>
6083 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
6084 * sched-deps.c (deps_may_trap_p): Likewise.
6085 * basic-block.h: Remove a comment.
6086 * flow.c (PROP_POSTRELOAD): Remove.
6087 (update_life_info): Don't add it to prop_flags.
6088 (mark_set_1): Lose the code that was enabled by it.
6090 2001-01-11 Michael Hayes <mhayes@redhat.com>
6092 * flow.c (flow_call_edges_add): New.
6093 * basic_block.h (flow_call_edges_add): New.
6095 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
6097 * reload1.c (move2add_note_store): Update reg_set_luid even if
6098 base reg remains the same.
6100 2001-01-10 Nick Clifton <nickc@redhat.com>
6102 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
6103 machine_function structure to zero.
6104 Add prototypes for machine_status functions.
6106 2001-01-10 Mark Mitchell <mark@codesourcery.com>
6108 * c-common.h (CTI_VOID_LIST): Remove.
6109 (void_list_node): Likewise.
6110 * tree.h (TI_VOID_LIST_NODE): New enumeral.
6111 (void_list_node): New macro.
6112 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
6113 * config/i386/i386.c (ix86_init_builtins): Likewise.
6114 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
6116 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
6118 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
6119 * cppinit.c (cpp_start_read): Update comment, remove unneeded
6121 * tradcpp.c: Include mkdeps.h.
6122 (deps, print_deps_phony_targets, deps_append, output_deps,
6123 init_dependency_output, output_deps): New.
6124 (deps_buffer, deps_allocated_size, deps_size, deps_column,
6125 deps_output): Delete.
6126 (print_deps_missing_files): Rename deps_missing_files.
6127 (inhibit_output): Make global.
6128 (main): Delete inhibit_output, deps_stream, deps_target.
6129 Use mkdeps functionality in the same way as cpplib. Remove
6130 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
6131 -M and -MM. Remove old handling of deps via deps_out, and
6132 old reading of environment variables.
6133 (get_filename): Update to use deps_add_dep.
6135 2001-01-10 Mark Mitchell <mark@codesourcery.com>
6137 * output.h (make_function_rtl): Remove prototype.
6138 (make_decl_rtl): Likewise.
6139 * varasm.c (make_function_rtl): Remove.
6140 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
6141 than from a third parameter.
6142 * tree.h (make_decl_rtl): Remove last parameter.
6143 * c-decl.c (builtin_function): Remove last argument in call to
6144 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
6145 (start_function): Likewise.
6146 * except.c (call_get_eh_context): Likewise.
6147 * expr.c (emit_block_move): Likewise.
6148 (clear_storage): Likewise.
6149 * profile.c (output_func_start_profiler): Likewise.
6150 * toplev.c (rest_of_decl_compilation): Likewise.
6151 * objc/objc-act.c (create_builtin_decl): Likewise.
6152 (synth_module_prologue): Likewise.
6153 (generate_static_reference): Likewise.
6154 (build_selector_reference_decl): Likewise.
6155 (build_class_reference_decl): Likewise.
6156 (build_objc_string_decl): Likewise.
6157 (build_protocol_reference): Likewise.
6159 2001-01-10 Richard Henderson <rth@redhat.com>
6161 * hwint.h: Revert yesterday's change.
6163 2001-01-10 Nick Clifton <nickc@redhat.com>
6165 * function.h (save_machine_status): Delete.
6166 (restore_machine_status): Delete.
6167 Amend comment describing {init|mark|free}_machine_status.
6169 * function.c (save_machine_status): Delete.
6170 (restore_machine_status): Delete.
6171 Amend comment describing {init|mark|free}_machine_status.
6172 (push_function_context_to): Remove invocation of
6173 save_machine_status.
6174 (pop_function_context_from): Remove invocation of
6175 restore_machine_status.
6177 * emit-rtl.c (init_emit_once): Amend comment describing
6178 {init|mark|free}_machine_status.
6180 * tm.texi (Per-Function Data): New node. Describe the
6181 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
6184 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
6186 * cppinit.c (OPT_g): Remove.
6187 (cpp_handle_option): Update for removed -g3.
6188 (print_help): Update.
6189 * cpplib.h (struct cpp_options): Remove debug_output.
6190 * cppmain.c (setup_callbacks, cb_define): Update.
6191 * gcc.c (cpp_options): Translate -g3 to -dD.
6193 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
6195 * config/i960/i960.md: Change modifier to + on the zero_extract
6196 pattern after the (rotate -2 reg) canonicalization pattern.
6198 2001-01-10 Richard Henderson <rth@redhat.com>
6200 * config/alpha/alpha.c (alpha_free_machine_status): New.
6201 (override_options): Install it.
6202 (alpha_mark_machine_status): Verify machine non-null.
6203 * config/i386/i386.c (ix86_free_machine_status): New.
6204 (override_options): Install it.
6205 (ix86_init_machine_status): Use xcalloc.
6206 (ix86_mark_machine_status): Verify machine non-null.
6207 * config/ia64/ia64.c (ia64_free_machine_status): New.
6208 (ia64_override_options): Install it.
6209 (ia64_mark_machine_status): Verify machine non-null.
6211 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
6213 * function.c (instantiate_virtual_regs): Instantiate virtual
6214 registers found in CALL_INSN_FUNCTION_USAGE.
6216 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
6218 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
6219 equivalent to -ansi in disabling -Di386.
6221 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
6223 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
6225 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
6227 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
6229 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
6231 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
6233 * invoke.texi: Document that -fcond-mismatch isn't supported for
6236 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
6238 * gcc.texi: Define macro gcctabopt.
6239 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
6240 @command, @env and @option in some places where appropriate. Use
6241 @gcctabopt where appropriate. Put URLs and email addresses inside
6244 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
6246 * gcc.c (cpp_options): Set MD file name from output
6247 filename, if specified.
6248 (suffix_subst): New static variable.
6249 (do_spec): Clear it.
6250 (do_spec_1, case '.'): Handle new `%.suffix' spec.
6252 (give_switch): Handle suffix_subst.
6254 2001-01-10 Phil Edwards <pme@sources.redhat.com>
6256 * invoke.texi: Fix another typo.
6258 2001-01-10 Phil Edwards <pme@sources.redhat.com>
6260 * invoke.texi: Fix typo.
6262 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
6264 * c-lang.c (lang_hooks): Update.
6265 (lang_decode_option): Remove.
6266 (lang_init_options): Rename c_init_options.
6267 * toplev.c (main): Use lang_hooks for lang_init_options
6268 and lang_decode_option.
6269 * toplev.h (lang_hooks): Add 2 new hooks.
6270 * tree.h: Remove lang_init_options and lang_decode_option.
6271 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
6272 * cp/decl2.c: Similarly.
6273 * cp/lex.c (lang_init_options): Rename cxx_init_options.
6274 (lang_hooks): Update.
6275 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
6277 (lang_init_options): Rename ffe_init_options.
6278 (lang_hooks): Update.
6279 (lang_decode_option): Remove.
6280 * java/lang.c (lang_init_options): Rename java_init_options.
6281 (lang_decode_option): Rename java_decode_option.
6282 (lang_hooks): Update.
6283 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
6284 (lang_decode_option): Rename objc_decode_option.
6285 (lang_hooks): Update.
6287 2001-01-09 Nick Clifton <nickc@redhat.com>
6289 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
6290 (d30v_return_addr_rtx): Delete.
6291 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
6292 cfun->machine structure.
6293 (struct machine_function): Move to d30v.h
6294 (d30v_save_machine_status): Delete.
6295 (d30v_restore_machine_status): Delete.
6296 (d30v_init_machine_status): New Function.
6297 (d30v_mark_machine_status): New Function.
6298 (d30v_free_machine_status): New Function.
6299 (d30v_init_expanders): Use new functions.
6300 (d30v_return_addr): Use ra_rtx field in cfun->machine.
6301 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
6302 d30v_return_addr_rtx.
6304 * config/d30v/d30v.h (struct_machine): Move here.
6305 Add eh_epilogue_sp_ofs field.
6307 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
6308 field in cfun->machine structure.
6310 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
6312 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
6313 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
6314 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
6316 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
6318 * objc/lang-options.h: Remove bogus reference to
6321 2001-01-09 Kazu Hirata <kazu@hxi.com>
6323 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
6326 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
6328 * reload.c (find_reloads_address): Check for eliminable registers
6329 when substituting a constant expression for a pseudo.
6331 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
6333 * c-common.c (enum format_type): Add format_type_error.
6334 (decode_format_type): New function.
6335 (decl_attributes): Use it.
6336 (format_kind_info): Adjust comment.
6338 2001-01-09 David O'Brien <obrien@BSDi.com>
6340 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
6341 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
6343 * config/i386/gnu.h: Don't include required platform specific .h files,
6344 tm.h will do it instead.
6345 * config/i386/i386elf.h: Likewise.
6346 * config/i386/linux.h: Likewise.
6347 * config/i386/moss.h: Likewise.
6348 * config/mips/gnu.h: Likewise.
6350 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6352 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
6353 (rs6000-ibm-aix3.[01]*): Likewise.
6354 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
6355 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
6356 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
6357 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
6358 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
6359 (powerpc-*-eabiaix*): Likewise.
6360 (powerpc-*-eabisim*): Likewise.
6361 (powerpc-*-elf*): Likewise.
6362 (powerpc-*-eabi*): Likewise.
6363 (powerpc-*-rtems*): Likewise.
6364 (powerpc-*-linux*libc1): Likewise.
6365 (powerpc-*-linux*): Likewise.
6366 (powerpc-wrs-vxworks*): Likewise.
6367 (powerpcle-wrs-vxworks*): Likewise.
6368 (powerpcle-*-sysv*): Likewise.
6369 (powerpcle-*-elf*): Likewise.
6370 (powerpcle-*-eabisim*): Likewise.
6371 (powerpcle-*-eabi*): Likewise.
6372 (powerpcle-*-solaris2*): Likewise.
6373 * config/rs6000/aix31.h: Delete includes.
6374 * config/rs6000/aix3newas.h: Likewise.
6375 * config/rs6000/aix41.h: Likewise.
6376 * config/rs6000/aix43.h: Likewise.
6377 * config/rs6000/beos.h: Likewise.
6378 * config/rs6000/rtems.h: Likewise.
6379 * config/rs6000/sysv4.h: Likewise.
6381 2001-01-09 Kazu Hirata <kazu@hxi.com>
6383 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
6384 Change an argument mode of machine_mode to shift_mode of
6385 shift_mode. Remove an extra error check.
6386 (emit_a_shift): Adopt to the new calling prototype of
6388 (function_prologue): Fix code for a monitor
6389 function. Support H8/S.
6390 (function_epilogue): Do not output pop for a monitor function.
6392 2001-01-09 Nick Clifton <nickc@redhat.com>
6394 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
6395 (setup_incoming_varargs): Use sysv_varargs_p field of the
6396 cfun->machine structure.
6397 (struct machine_function): Move to rs6000.h
6398 (rs6000_save_machine_status): Delete.
6399 (rs6000_restore_machine_status): Delete.
6400 (rs6000_init_machine_status): New Function.
6401 (rs6000_free_machine_status): New Function.
6402 (rs6000_init_expanders): Use new functions.
6404 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
6406 (struct machine_function): Move here.
6408 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
6409 sysv_varargs_p field of the cfun->machine structure.
6411 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
6413 (rs6000_restore_machine_status): Remove prototype.
6415 2001-01-09 Richard Henderson <rth@redhat.com>
6417 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
6418 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
6419 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
6420 (sched_analyze_2, sched_analyze_insn): Likewise.
6421 (sched_analyze, init_deps): Likewise.
6422 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
6423 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
6424 (compute_block_backward_dependences): Update propagate_deps call.
6426 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
6428 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
6430 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
6432 * cppinit.c (OPT_MD, OPT_MMD): Restore.
6433 (cpp_handle_option): Handle them.
6434 (cpp_post_options): Ensure one of -M or -MM is specified with
6435 any other -M? option.
6436 (init_dependency_output): Suppress output with -MG.
6438 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
6441 * invoke.texi: Update.
6443 2001-01-09 Bernd Schmidt <bernds@redhat.com>
6445 * sh.md (reload_outsf): Generate recognizable patterns for
6448 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
6450 * c-lang.c (lang_hooks): Update.
6451 (lang_init): Rename c_init.
6452 (lang_finish): Remove.
6453 * toplev.c (compile_file): Use lang_hooks for lang_init ()
6455 * toplev.h (lang_hooks): Add init () and finish ().
6456 * tree.h (lang_init, lang_finish): Remove.
6457 * cp/tree.h (lang_init, lang_finish): Remove.
6458 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
6459 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
6461 (lang_init, lang_finish): Remove.
6462 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
6463 (lang_hooks): Update.
6464 * java/lang.c (lang_init): Rename java_init.
6465 (lang_finish): Remove.
6466 (lang_hooks): Update.
6467 * objc/objc-act.c (lang_init): Rename objc_init.
6468 (lang_finish): Remove.
6469 (lang_hoooks): Update.
6471 20001-01-09 Graham Stott <grahams@redhat.com>
6473 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
6474 after `ptr` is initialised.
6476 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
6478 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
6479 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
6480 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
6481 stack adjusts, instead of r3.
6483 2001-01-09 Michael Hayes <mhayes@redhat.com>
6485 * flow.c (flow_loop_scan): Break out of ...
6486 (flow_loops_find) ... here.
6487 * basic-block.h (flow_loop_scan): New.
6488 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
6489 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
6491 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
6493 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
6495 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
6496 realloc()ing macro_buffer.
6498 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
6499 if it's wider than long and the target's long is wider than the
6502 2001-01-09 Mark Mitchell <mark@codesourcery.com>
6504 Remove support for using UWIN as a host machine.
6505 * configure.in: Issue an error message.
6506 * configure: Regenerated.
6507 * config.gcc: Remove xm_* UWIN configury.
6508 * config/i386/xm-uwin.h: Remove.
6510 2001-01-08 Nick Clifton <nickc@redhat.com>
6512 * config/v850/v850.c (ra_rtx): Delete.
6513 (v850_save_machine_status): Delete.
6514 (v850_restore_machine_status): Delete.
6515 (v850_init_machine_status): New function.
6516 (v850_mark_machine_status): New function.
6517 (v850_free_machine_status): New function.
6518 (v850_return_addr): Use ra_rtx field in machine structure.
6519 (v850_init_expanders): Use new functions.
6521 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
6522 * config/v850/v850.c: Change arguments to v850_output+* functions
6523 to take a const char *, to avoid compile time warning.
6524 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
6525 (USER_LABEL_PREFIX): Redefine.
6527 2000-01-08 Jim Wilson <wilson@redhat.com>
6529 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
6530 1 to unsigned HOST_WIDE_INT before left shift.
6532 2001-01-08 Nick Clifton <nickc@redhat.com>
6534 * config/arm/arm.c (arm_mark_machine_status): Check to see if
6535 the machine structure has been allocated.
6536 (arm_free_machine_status): New function: Free the machine
6537 specific function structure.
6539 2001-01-08 Richard Henderson <rth@redhat.com>
6541 * jump.c (simplejump_p): Revert last change.
6543 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
6545 * cppinit.c (init): Rename init_library.
6546 (cpp_create_reader): Update.
6547 * gcc.c (cpp_options): If -o given, use it as the target of
6550 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
6552 * arm.c (arm_arch5e): New variable.
6553 (all_cores): XScale is a 5TE device.
6554 (arm_override_options): Set arm_arch5e.
6555 (arm_init_builtins): __builtin_prefetch is in arch5e.
6556 * arm.h (arm_arch5e): Declare it.
6558 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
6560 * arm.md (define_constants): Add defines for UNSPEC and
6561 UNSPEC_VOLATILE insns. Update all users.
6562 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
6563 * arm.c (multi_register_push, note_invalid_constants)
6564 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
6565 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
6566 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
6568 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
6570 * jump.c (jump_optimize_1): Use reversed_comparison_code
6571 instead of can_reverse_comparison_p.
6572 (jump_back_p): Likewise.
6573 (invert_exp_1): Likewise.
6574 (thread_jumps): Likewise.
6575 * simplify-rtx.c (simplify_unary_operation): Likewise.
6576 (simplify_ternary_operation): Likewise.
6577 * cse.c (find_comparison_args): Convert to use
6578 can_reverse_comparison_p.
6579 (record_jump_equiv): Likewise.
6581 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
6583 * arm.h (HARD_REGNO_RENAME_OK): Delete.
6584 (EPILOGUE_USES): Define.
6585 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
6586 automatically stack the LR if it isn't live.
6588 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
6590 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
6593 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
6595 * ggc-page.c (max_alignment): New structure.
6596 (MAX_ALIGNMENT): New macro.
6597 (init_ggc): Use it to round up the sizes in the
6598 extra_order_size_table.
6600 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6602 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
6605 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6607 * builtins.def (BUILT_IN_FPRINTF): New entry.
6609 * c-common.c (c_expand_builtin_fprintf): New function.
6610 (init_function_format_info): Handle __builtin_fprintf.
6611 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
6612 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
6614 * c-decl.c (duplicate_decls): Adjust comment.
6616 * extend.texi (fprintf): Document new builtin.
6618 2001-01-07 Richard Henderson <rth@redhat.com>
6620 * jump.c (simplejump_p): Recognize any single_set jump
6623 2001-01-07 Richard Henderson <rth@redhat.com>
6625 * configure.in (slibdir): Accept an --with-slibdir option.
6626 Use "test" not "[" in configure. Default to $(libdir).
6628 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
6630 * config/t-aix43 (SHLIB_INSTALL): Likewise.
6631 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
6632 (SHLIB_LINK): Create links for the soname.
6633 * config/mips/t-iris6: Likewise.
6634 * config/sparc/t-slibgcc: Likewise.
6635 * config/sparc/t-slibgcc-sld: Likewise.
6637 2001-01-07 Jakub Jelinek <jakub@redhat.com>
6639 * config/i386/i386.c (constant_call_address_operand): Accept
6640 (const (plus (symbol_ref) (const_int))).
6641 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
6642 constant_call_address_operand.
6644 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6646 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
6647 and LONG_LONG_TYPE_SIZE > 32.
6649 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
6651 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
6652 the previous change.
6654 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
6656 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
6658 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
6659 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
6660 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
6663 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
6665 * fix-header.c (read_scan_file): s/pfile/scan_in/.
6667 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
6669 * c-lang.c (c_post_options): Call cpp_post_options.
6670 * objc/objc-act.c (objc_post_options): Similarly.
6671 * cppmain.c (main): Similarly.
6672 * fix-header.c (read_scan_file): Similarly.
6673 * cppinit.c (cpp_start_read): Move option consistency checks
6674 to cpp_post_options. Don't call init_dependency_output.
6675 If needed, add default target and main file dependency.
6676 (OPT_MD, OPT_MMD): Remove.
6678 (cpp_handle_option): Update for OPT_* changes.
6679 (cpp_post_options): New.
6680 (init_dependency_output): Command line -MF overrides environment
6681 variables. Don't set default target etc. Suppress output
6682 if dependencies are going to stdout.
6683 (print_help): Update.
6684 * cpplib.h (cpp_post_options): New.
6685 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
6687 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
6689 * jump.c (comparison_dominates_p): Support unordered compares.
6691 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
6693 * simplify-rtx.c (simplify_relational_operation): Always simplify
6694 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
6697 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
6699 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
6700 (nonzero_bits): Likewise.
6701 (simplify_comparison): Likewise.
6702 (num_sign_bit_copies): Likewise; return more sane value depending
6703 on STORE_FLAG_VALUE.
6704 (known_cond): Do not assume EQ to be always true for equivalent
6707 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
6709 * cse.c (fold_rtx): Handle unordered comparisons.
6711 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
6713 * rtlanal.c (set_of_1): New static function.
6714 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
6715 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
6716 reg_set_last_last_regno): Remove.
6717 (set_of): New global function.
6718 (set_of_data): New structure.
6719 (reg_set_p, reg_set_last): Revamp for set_of.
6720 * rtl.h (set_of): New.
6722 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
6724 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
6725 * extend.texi: Document _Exit builtin.
6727 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
6729 * (initialize, initialize_builtins,
6730 initialize_dependency_output, initialize_standard_includes):
6731 Rename s/initialize/init. Update.
6732 (init_dependency_output): Move to after
6733 cpp_handle_options, the correct location temporally at least.
6734 (opt_comp): Move next to init (), its caller. Fix prototype.
6735 (init): Make "initialized" local scope.
6736 (cpp_create_reader): Always call init ().
6737 (cpp_start_read): Update.
6738 (output_deps): New function, broken out of cpp_finish.
6739 (cpp_finish): Break out output_deps.
6741 2001-01-07 Richard Henderson <rth@redhat.com>
6743 * collect2.c (COFF specific stuff): Revert 12-06 patch
6744 to prototype system functions.
6746 2001-01-07 Michael Hayes <mhayes@redhat.com>
6748 * hard-reg-set.h: Add multiple include guard.
6749 * basic-block.h (struct loop): Add `sink' field.
6750 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
6751 (emit_iv_add_mult): Delete.
6752 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
6753 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
6754 (unroll_loop): Remove end_insert_before argument.
6755 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
6756 (maybe_eliminate_biv_1): Likewise.
6757 (emit_iv_add_mult): Delete.
6758 (gen_add_mult, loop_regs_update): New.
6759 (loop_insn_emit_after, loop_insn_emit_before): New.
6760 (loop_insn_sink, loop_insn_sink_or_swim): New.
6761 (emit_iv_add_mult): Delete.
6762 (scan_loop): Set loop->sink.
6763 (loop_givs_reduce): Use loop_insn_sink and its ilk.
6764 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
6765 (maybe_eliminate_biv_1): Likewise.
6766 (maybe_eliminate_biv_1): Add basic block argument.
6767 * unroll.c (unroll_loop): Remove end_insert_before argument.
6768 (find_splittable_regs): Likewise.
6769 (find_splittable_regs): Use loop_insn_sink and its ilk.
6770 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
6772 2001-01-07 Michael Hayes <mhayes@redhat.com>
6774 * loop.h (loop_insn_hoist): New prototype.
6775 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
6776 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
6777 (check_dbra_loop, load_mems): Likewise.
6778 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
6779 (find_splittable_givs): Likewise.
6781 2001-01-07 Michael Hayes <mhayes@redhat.com>
6783 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
6785 2001-01-07 Richard Henderson <rth@redhat.com>
6787 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
6789 2001-01-07 Richard Henderson <rth@redhat.com>
6791 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
6792 NO_SHARED_LIBGCC_MULTILIB as required for the target.
6793 * gcc.c (init_spec): Massage the existing libgcc_spec into a
6794 variant that handles a shared libgcc.
6795 (process_command): Always validate -{static,shared}-libgcc.
6796 (do_spec_1): New 'M' case.
6797 * invoke.text (Link Options): Document -{static,shared}-libgcc.
6799 2001-01-07 Richard Henderson <rth@redhat.com>
6801 * Makefile.in (slibdir): New variable.
6802 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
6803 (installdirs): Create slibdir.
6804 (install-libgcc, install-multilib): Defer to libgcc.mk.
6805 * configure.in (slibdir): Substitute.
6806 * mklibgcc.in (install): New target.
6808 * config/t-linux (SHLIB_LINK): Create links for the soname.
6809 (SHLIB_INSTALL): New.
6810 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
6811 * config/mips/t-iris6 (SHLIB_INSTALL): New.
6812 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
6813 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
6814 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
6816 2001-01-07 Richard Henderson <rth@redhat.com>
6818 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
6819 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
6820 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
6822 2001-01-07 Michael Hayes <mhayes@redhat.com>
6824 * loop.c (count_loop_regs_set): Delete.
6825 (load_mems_and_recount_loop_regs_set): Delete.
6826 (loop_regs_scan): Merge common code from count_loop_regs_set,
6827 scan_loop, and load_mems_and_recount_loop_regs_set.
6828 (scan_loop): Call load_mems directly and loop_regs_scan
6829 again if new registers created.
6831 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
6833 * toplev.c (main): Call the front-end specific post_options
6834 hook if one is given.
6835 * toplev.h (struct_lang_hooks, lang_hooks): New.
6836 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
6837 for the C front end.
6838 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
6839 lang_hooks for the C++ front end.
6840 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
6841 lang_hooks for the ObjC front end.
6842 * f/com.c (lang_hooks): Hooks for the Fortran front end.
6843 * java/lang.c (lang_hooks): Hooks for the Java front end.
6845 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
6847 * c-lex.c (init_c_lex): Request #define / #undef callbacks
6848 for verbose DWARF[2] debugging.
6849 (cb_define, cb_undef): The new callbacks.
6850 * toplev.h (debug_define, debug_undef): Make const correct.
6851 * toplev.c (debug_define, debug_undef): Similarly. Do not
6852 perform the verbosity tests here anymore.
6854 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
6856 * reload.c (subst_reloads): Take INSN argument. When
6857 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
6858 * reload.h (subst_reloads): Adjust prototype.
6859 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
6860 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
6861 present in JUMP_INSNs and copy them to JUMP_LABEL.
6862 * flow.c (find_label_refs, find_basic_blocks_1): Skip
6863 JUMP_INSNs and insns with REG_LABELs that are followed by
6864 JUMP_INSNs with the same REG_LABEL.
6865 * sched-rgn.c (is_cfg_nonregular): Likewise.
6866 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
6868 * unroll.c (unroll_loop): Look for REG_LABEL notes in
6870 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
6872 2001-01-06 Richard Henderson <rth@redhat.com>
6874 * loop.c (scan_loop): Use xcalloc for the regs array.
6875 (load_mems_and_recount_loop_regs_set): Zero the new memory
6876 received from xrealloc.
6878 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
6880 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
6882 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
6884 * integrate.c (copy_rtx_and_substitute): When copying
6885 an ignored return value, strip REG_FUNCTION_VALUE_P.
6887 2001-01-06 Michael Hayes <mhayes@redhat.com>
6889 * loop.c (debug_biv, debug_giv): New.
6890 (loop_biv_dump): Break out from ...
6891 (record_biv): ... here.
6892 (loop_giv_dump): Break out from ...
6893 (record_giv): ... here.
6894 (loop_bivs_check): Use print_simple_rtl.
6895 * unroll.c (loop_iterations): Use print_simple_rtl.
6897 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
6899 * pa.md (return, return_internal): Modify patterns to prevent regrename
6900 mucking with the return pointer.
6902 2001-01-05 Richard Henderson <rth@redhat.com>
6904 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
6906 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
6908 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
6909 version supplied by Matteo Frigo.
6911 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
6913 * cpp.texi: Update for -MQ.
6914 * cppinit.c (cpp_create_reader): Always create pfile->deps.
6915 (cpp_cleanup): Always free pfile->deps.
6916 (initialize_dependency_output): Don't create pfile->deps.
6917 (cpp_handle_option): Similarly.
6919 * gcc.c (cpp_options): Handle -MQ.
6920 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
6921 * mkdeps.c (base_name): Remove.
6922 (deps_init): Don't allocate vector space until it's needed.
6923 (deps_free): Only free vectors if allocated.
6924 (deps_add_target, deps_add_dep): Update for initial allocation.
6925 (deps_add_default_target): Don't strip to the base_name.
6927 2001-01-05 DJ Delorie <dj@redhat.com>
6929 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
6930 (INIT_EXPANDERS): Define.
6932 * config/v850/v850.c (struct machine_function): Define.
6933 (v850_save_machine_status): New function.
6934 (v850_restore_machine_status): New function.
6935 (v850_return_addr): New function.
6936 (v850_init_expanders): New function.
6938 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
6939 and v850_init_expanders.
6941 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
6943 * cpplib.h (struct cpp_reader): Add help_only field.
6944 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
6945 (cpp_handle_option): Set pfile->help_only if we see -h,
6946 --help, -target-help, or --version. Print version string but
6947 do not set help_only if we see -v or -version. Make text
6948 printed by -v match that printed by (-)-version.
6950 * cppmain.c (main): Exit after option parsing if
6951 pfile->help_only is true.
6953 * toplev.c (independent_decode_option): Call print_version,
6954 then exit, if we see --version (but not -version).
6955 (print_version): Split lengthy message into two lines.
6957 2001-01-05 Nick Clifton <nickc@redhat.com>
6959 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
6960 temporary string for initialisation before calling ggc_alloc_string.
6962 2001-01-06 Michael Hayes <mhayes@redhat.com>
6964 * rtl.h (print_simple_rtl): New.
6965 * print-rtl.c (print_simple_rtl): New.
6967 (print_rtx): Disable printing of flags and modes, etc.,
6968 if `flag_simple` nonzero.
6970 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
6972 * function.c (fixup_var_refs): Use push_to_full_sequence where
6975 2001-01-05 Michael Meissner <meissner@redhat.com>
6977 * flags.h (flag_reorder_blocks): Add declaration.
6978 (flag_rename_block): Ditto.
6980 2001-01-05 DJ Delorie <dj@redhat.com>
6982 * function.c (reorder_blocks): Make sure the flags are all reset
6983 before using them to mark blocks, else a second invocation will
6984 corrupt the block chain.
6985 (reorder_blocks_0): New, resets the flags.
6987 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
6989 * cse.c (find_comparison_args): Stop if the argument is known to
6992 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
6994 * config/sh/sh.md (movdf): When splitting load into pair of
6995 registers, don't clobber the register used in the address too
6998 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
7000 * varasm.c (mark_constant_pool): Improve initial comments.
7001 (mark_constants): Move marking of constants to mark_constant.
7002 (mark_constant): New function to recursively mark all constants
7003 referred to by a constant.
7005 2001-01-05 Catherine Moore <clm@redhat.com>
7007 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
7009 2001-01-05 Phil Edwards <pme@sources.redhat.com>
7011 * cp/lang-options.h: Bring comment in line with reality.
7012 * f/lang-options.h: Likewise.
7013 * java/lang-options.h: Likewise.
7014 * objc/lang-options.h: Likewise.
7015 * ch/lang-options.h: Likewise.
7016 * f/g77.texi: And update the manual.
7018 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
7019 Denis Chertykov <denisc@overta.ru>
7021 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
7022 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
7023 * config/avr/avr.md (all peepholes that request a scratch register):
7024 Call it, FAIL the peephole if not safe (in interrupt functions).
7026 2001-01-05 Mark Mitchell <mark@codesourcery.com>
7028 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
7030 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
7032 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
7034 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
7035 BUILT_IN_CREAL and BUILT_IN_CIMAG.
7036 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
7037 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
7038 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
7040 * extend.texi: Document these builtins.
7042 2001-01-05 Daniel Berlin <dberlin@redhat.com>
7044 * c-common.c (lang_get_alias_set): Say we know nothing of
7045 VECTOR_TYPE aliasing.
7047 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
7049 2001-01-05 Bruce Korb <bkorb@gnu.org>
7051 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
7052 their x* equivalent versions for atexit-less systems
7053 * fixinc/fixincl.c(main): do not return from main() on atexit-less
7054 systems (or any other system any more).
7056 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
7058 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
7059 output operands. Use arm_hard_register_operand for operand 4.
7060 (stmsi_postinc): Similarly.
7061 (ldmsi): Use arm_hard_register_operand for opernand 2.
7063 * arm.c (arm_hard_register_operand): New function.
7064 * arm-protos.h (arm_hard_register_operand): Prototype it.
7066 * arm.h (HARD_REGNO_RENAME_OK): Define.
7068 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
7070 * simplify-rtx.c (cfc_args): add "unordered" field.
7071 (check_fold_consts): Set unordered field.
7072 (simplify_relational_operation): Simplify the unordered
7075 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
7078 * emit-rtl.c (try_split): Fix code to mark labels.
7079 * jump.c (mark_jump_label): Make global.
7080 * rtl.h (mark_jump_label): Declare.
7082 * predict.c (estimate_probability): Handle unordred comparisons.
7084 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
7086 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
7087 * cppinit.c (initialize_dependency_output): Update.
7088 (cpp_finish): Output dummy targets for -MP.
7090 (cpp_handle_option): Handle -MP. Don't quote -MT options.
7091 * cpplib.h (struct cpp_options): Add deps_phony_targets.
7092 * gcc.c (cpp_options): Update to handle -MP.
7093 * mkdeps.c (deps_add_target, deps_add_default_target): Update
7094 to quote only the default target.
7095 (deps_phony_targets): Insert a preceding newline. Rename from
7096 deps_dummy_targets for consistency.
7099 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
7101 * calls.c (emit_library_call_value_1): Support
7102 INIT_CUMULATIVE_LIBCALL_ARGS.
7103 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
7105 2001-01-04 Richard Henderson <rth@redhat.com>
7107 * c-decl.c (finish_struct): Detect flexible array members
7108 used in an inappropriate context.
7109 * c-typeck.c (really_start_incremental_init): Special case
7110 constructor_max_index for zero length arrays.
7111 (pop_init_level): Allow initialization of flexible array
7112 members. Deprecate initialization of zero length arrays.
7113 Don't issue missing initializer warning for flexible array
7114 members or zero length arrays.
7115 (process_init_element): Don't dereference null DECL_SIZE.
7116 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
7117 Don't abort for empty constructors. Use size_binop
7118 (output_constructor): Add commentary regarding zero length
7119 array futures. Abort if we try to initialize an array of
7120 unspecified length with a non-empty constructor in the middle
7123 * extend.texi (Zero Length): Update and clarify documentation
7124 on static initialization.
7126 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7128 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
7129 with more than 32767 words of local storage.
7131 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7133 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
7134 for 'abs', 'labs', and 'fabs'.
7135 (c4x_expand_builtin): Likewise.
7136 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
7138 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
7140 * config/sh/sh.md (prget, prset): New insn types.
7141 (return delay slot): Dont' allow prset.
7142 (call, sfunc delay slot): Don't allow prget.
7143 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
7144 for prset and prget.
7146 2001-01-05 Michael Hayes <mhayes@redhat.com>
7148 * loop.h (struct loop_reg): New.
7149 (struct loop_regs): Change to use array of `struct loop_reg'.
7150 * loop.c: Replace assortment of varrays with single regs array.
7151 (count_one_set): Delete may_not_move array argument
7152 and use regs array instead. All caller's changed.
7153 (count_loop_regs_set): Delete may_not_move and single_usage
7154 arguments and use regs array instead. All caller's changed.
7155 (find_single_use_in_loop): Replace usage array argument with pointer
7156 to regs structure. All caller's changed.
7157 (loop_optimize): Delete `moved_once' array.
7159 2001-01-05 Michael Hayes <mhayes@redhat.com>
7161 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
7162 Use it instead of loop_info->has_call for scanning loop mems.
7163 (check_dbra_loop): Replace loop_info->has_call test with
7164 loop_info->has_nonconst_call.
7166 2000-01-04 Matthew Hiller <hiller@redhat.com>
7168 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
7171 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
7173 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
7174 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
7176 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
7178 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
7179 (flag_short_double, flag_short_wchar): Define.
7180 (c_common_nodes_and_builtins): Create many tree nodes shared
7181 between C and C++ here instead of in cp/decl.c and ...
7182 * c-decl.c (init_decl_processing): ... here.
7183 (SIZE_TYPE, WCHAR_TYPE): Don't define.
7184 (flag_short_double, flag_short_wchar): Don't define.
7185 (record_builtin_type): New function.
7186 (build_void_list_node): New function.
7187 * c-common.h (flag_short_double, flag_short_wchar,
7188 record_builtin_type, build_void_list_node): Declare.
7190 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
7192 * integrate.c (expand_inline_function): Don't put a virtual
7193 register into the reg map.
7195 * function.c (fixup_var_refs_1): If force_operand didn't put
7196 the address into the target, move it there.
7198 2001-01-04 Mark Mitchell <mark@codesourcery.com>
7200 Special-case tree_decl/tree_list allocations.
7201 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
7202 (OBJECT_SIZE): New macro.
7203 (NUM_EXTRA_ORDER): Likewise.
7204 (extra_order_size_table): New variable.
7205 (NUM_ORDERS): New macro.
7206 (objects_per_page_table): New variable.
7207 (object_size_table): New variable.
7208 (G.pages): Use NUM_ORDERS to bound the array.
7209 (G.page_tails): Likewise.
7210 (DIV_ROUND_UP): Remove.
7211 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
7212 (alloc_page): Use OBJECT_SIZE.
7213 (size_lookup): Don't make it const.
7214 (ggc_alloc): Use OBJECT_SIZE.
7215 (ggc_set_mark): Likewise.
7216 (ggc_get_size): Likewise.
7217 (init_ggc): Set up the object_size_table, objects_per_page_table,
7218 and adjust size_lookup.
7219 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
7220 (ggc_pop_context): Use NUM_ORDERS.
7221 (clear_marks): Likewise.
7222 (sweep_pages): Likewise.
7223 (poison_pages): Likewise.
7224 (ggc_print_statistics): Use OBJECT_SIZE.
7226 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7228 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
7229 Only call array_size_for_constructor if last field and array type
7230 with no upper bound.
7232 2001-01-04 Philip Blundell <philb@gnu.org>
7234 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
7235 from bit 31 downwards, if this requires no more insns.
7236 (count_insns_for_constant): New helper function for above.
7238 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
7240 * gencodes.c (output_predicate_decls): Remove empty initializer.
7242 2001-01-04 Mark Mitchell <mark@codesourcery.com>
7244 * tree.c (copy_node): Remove documentation about obstacks.
7245 (buidl1): Check that nobody tries to build 2-argument nodes this
7248 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7250 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
7253 * gencodes.c (output_predicate_decls): Fill empty initializer
7256 2001-01-04 Jakub Jelinek <jakub@redhat.com>
7258 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
7259 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
7261 (do_include): Handle missing headers like cpp0.
7262 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
7263 paths with first include pathname. Don't strcat to uninitialized
7266 2001-01-04 Bernd Schmidt <bernds@redhat.com>
7268 * regrename.c (regrename_optimize): Don't rename from frame pointer
7269 if frame_pointer_needed.
7270 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
7271 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
7272 (ia64_reorg): Use it instead of scheduling if ! optimize.
7273 (errata_emit_nops): Properly call asm_noperands.
7274 (ia64_sched_reorder): Finish cycle if we see an asm.
7275 (ia64_variable_issue): Clear scheduling state after asms.
7277 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
7279 * cpp.texi: Update for -MT.
7280 * cppinit.c (initialize_dependency_output): Add a default
7281 target if none has been given already.
7282 (no_tgt, OPT_MT): New.
7283 (cpp_handle_option): Handle -MT. Update -M etc.
7284 * cpplib.h (struct cpp_options): Remove deps_target.
7285 * gcc.c (cpp_options): Handle -MT.
7286 * mkdeps.c (struct deps): Move from mkdeps.h.
7287 (deps_calc_target): Rename deps_add_default_target. Add a
7288 default target if none has been specified already.
7289 * mkdeps.h (struct deps): Move to mkdeps.c.
7290 (deps_calc_target): Rename deps_add_default_target.
7292 2000-01-03 Richard Henderson <rth@redhat.com>
7294 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
7296 * c-typeck.c (push_init_level): Move checks for flexible array
7297 members and zero length arrays ...
7298 (pop_init_level): ... here. Silently discard empty initializations.
7300 * varasm.c (output_constructor): Update for sizeof change to
7303 * extend.texi (Zero Length): Clarify semantics.
7305 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
7307 * configure.in (tm.h): Include isns-codes.h last.
7308 * configure: Rebuilt.
7310 2001-01-03 Richard Henderson <rth@redhat.com>
7312 * config/alpha/alpha.md (addvsi3, addvdi3): New.
7313 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
7315 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7317 * tradcpp.c (main): Make sure finclude() is called with a valid
7318 indepth value while handling -include.
7320 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
7322 * gencodes.c (output_predicate_decls): New function.
7324 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
7325 even if it is not the first time machmode.h is #included.
7326 * config/sh/sh.c (fpul_operand): Declare MODE argument.
7327 * tm.texi (PREDICATE_CODES): Document predicate declarations.
7328 * gcc.texi (Copyright): Added 2001.
7330 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
7332 * c-common.c (c_common_lang_init): New function. Warn if format
7333 warning options which only have effects when used with -Wformat
7334 are used without -Wformat.
7335 * c-common.h (c_common_lang_init): Declare.
7336 * c-lang.c (lang_init): Call c_common_lang_init.
7337 * objc/objc-act.c (lang_init): Call c_common_lang_init.
7339 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
7341 * configure.in: Check for the mktemp command.
7342 * configure: Regenerate.
7343 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
7344 $TEMP. Create temporary files with mktemp, if available at
7345 configure time; otherwise use set -C. Remove temporary files
7348 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
7350 * configure.in: Require at least texinfo 4.0. Check for whether
7351 Pod::Man is sufficiently recent to regenerate GCC manpages.
7352 * configure: Regenerate.
7353 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
7355 (GENERATED_MANPAGES): Define.
7356 (generated-manpages): New target. Depend on cpp.1 as well as
7358 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
7359 configure to generated-manpages or empty) rather than on the
7360 manpages directly. Remove execute permission from installed
7361 gcov.1 as well as cpp.1.
7362 * cpp.1, gcov.1: Regenerate.
7364 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7366 * builtins.c (expand_builtin_strncmp): Use host_integerp and
7367 tree_low_cst. Allow using cmpstrsi in more cases.
7369 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7371 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
7374 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
7376 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
7377 * Makefile.in (HOST_CFLAGS): Mention build-make.
7379 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7381 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
7384 2001-01-01 Bernd Schmidt <bernds@redhat.com>
7386 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
7389 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
7392 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
7393 reg_base_value and reg_known_value arrays.
7394 (init_alias_analysis): Add more cases to detect known values.
7395 * sched-deps.c (deps_may_trap_p): New function.
7396 (sched_analyze_2): Use it.
7398 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
7400 * combine.c (simplify_shift_const): Even if we're sign-extracting,
7401 don't discard an ASHIFTRT if we're shifting in a wider mode.
7403 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
7405 * toplev.c (rest_of_compilation): Don't print basic block information
7406 when CFG isn't up to date.
7408 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
7410 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
7411 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
7412 (UNALIGNED_SHORT_ASM_OP): Define.
7413 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
7415 2001-01-02 Mark Mitchell <mark@codesourcery.com>
7417 * fold-const.c (fold_convert): Fix typo.
7419 2001-01-02 Richard Henderson <rth@redhat.com>
7421 * c-common.h (ASM_INPUT_P): New.
7422 * c-parse.in (asm): Set it when needed.
7423 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
7424 existance of an operand.
7426 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
7428 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
7429 (dwarf2out_frame_debug_expr): Likewise.
7430 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
7432 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
7434 * i386.c (ix86_split_to_parts): Return number of part required;
7436 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
7438 (ix86_split_long_move): Use number of part returned
7439 by ix86_split_to_parts
7440 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
7442 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
7443 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
7444 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
7445 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
7446 (ALIGN_MODE_128): Add TFmode.
7447 (IS_STACK_MODE): Likewise.
7448 (HARD_REGNO_NREGS): TFmode needs 3 registers.
7449 (HARD_REGNO_OK): Support TFmodes.
7450 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
7451 * i386.md (scheduler definitions): Use memory operand to determine
7452 fst/fld instructions; use mode attribute to determine real mode of
7454 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
7455 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
7457 2001-01-02 Mark Mitchell <mark@codesourcery.com>
7459 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
7461 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
7463 * expr.c (store_constructor_field): Update ALIGN before calling
7466 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
7468 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
7471 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
7473 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
7476 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
7478 * c-decl.c (start_function): Don't warn on third parameter to main.
7480 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7482 * tsystem.h: Define HAVE_DECL_GETOPT.
7484 2001-01-02 Philip Blundell <pb@futuretv.com>
7486 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
7489 2001-01-02 Richard Henderson <rth@redhat.com>
7491 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
7493 2001-01-02 Andreas Jaeger <aj@suse.de>
7495 * c-decl.c (c_decode_option): Remove support of
7498 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
7499 (W_options): Add -Wmissing-noreturn here.
7501 * flow.c: Define lang_missing_noreturn_ok_p.
7502 (check_function_return_warnings): Use it.
7504 * c-common.h: Declare lang_missing_noreturn_ok_p.
7506 * c-lang.c (c_missing_noreturn_ok_p): New function.
7507 (lang_init): Set lang_missing_noreturn_ok_p.
7509 * invoke.texi (Warning Options): Document this.
7511 2000-12-27 Phil Edwards <pme@sources.redhat.com>
7513 * extend.texi (C++ Extensions): New node for C++ attributes;
7514 describe init_priority and com_interface.
7515 * invoke.texi: Remove -finit-priority as it now has zero effect.
7516 * install.texi: Fix xref syntax.
7517 * md.texi: Likewise.
7519 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7521 * config.gcc (sparc64-wrs-vxworks*): New case.
7522 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
7524 * config/sparc/sparc.c (sparc_override_options): Do support different
7525 pointer and architecture size.
7526 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
7527 (POINTERS_EXTEND_UNSIGNED): Define.
7528 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
7529 (FUNCTION_MODE): Define to be Pmode.
7530 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
7532 * function.c (expand_function_end): Properly handle DECL_RESULT
7533 and copy when ptr_mode != Pmode.
7534 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
7536 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7538 * c-common.c (c_common_nodes_and_builtins): Set prototype
7539 parameters for __builtin_fputs, __builtin_fputc and
7540 __builtin_fwrite. Don't declare plain fputc as a builtin.
7542 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
7544 * loop.c (add_label_notes): Increment the label usage count when
7545 a note is added to an insn which refers to a CODE_LABEL.
7546 * gcse.c (add_label_notes): Likewise.
7548 2001-01-01 Andreas Jaeger <aj@suse.de>
7550 * loop.c (scan_loop): Use xmalloc to allocate movables.
7552 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
7554 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
7555 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
7556 * reload1.c (REGISTER_MOVE_COST): Likewise.
7557 * regclass.c (REGISTER_MOVE_COST): Likewise.
7558 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
7559 dimension. Adjust all users.
7560 (init_reg_sets_1): Iterate on all modes.
7561 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
7562 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
7563 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
7564 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
7565 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
7566 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
7567 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
7568 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
7569 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
7570 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
7571 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
7572 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
7573 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
7574 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
7575 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
7576 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
7577 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
7578 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
7579 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
7580 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
7581 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
7582 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
7583 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
7584 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
7585 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
7586 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
7587 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
7589 2001-01-01 Bernd Schmidt <bernds@redhat.com>
7591 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
7592 arg VARIES_P. Call it with extra arg.
7593 (true_dependence): Likewise.
7594 * rtl.h (rtx_addr_can_trap_p): Declare.
7595 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
7597 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
7598 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
7599 pic offset table register if it's zero. All callers changed.
7600 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
7602 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7604 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
7605 STRING_POOL_ADDRESS_P.
7607 * config/sparc/sparc.c (input_operand): Properly test for short op.
7609 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
7610 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
7611 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
7612 * config/sparc/elf.h: No longer include sol2.h.
7613 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
7614 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
7616 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
7618 2001-01-01 Michael Hayes <mhayes@redhat.com>
7620 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
7621 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
7622 (record_initial): Likewise.
7623 * unroll.c (copy_loop_body, loop_iterations): Likewise.
7624 (remap_split_bivs): Likewise.
7626 2001-01-01 Michael Hayes <mhayes@redhat.com>
7628 * loop.c (loop_ivs_free): New function.
7629 (strength_reduce): Break out from...
7631 2001-01-01 Michael Hayes <mhayes@redhat.com>
7633 * loop.h (struct iv): New.
7634 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
7635 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
7636 'reg_biv_class' fields with 'regs' and 'n_regs'.
7637 (struct ivs): Rename 'loop_iv_list' field to 'list'.
7638 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
7639 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
7641 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
7643 * resource.c (mark_referenced_resources): Abort() before
7644 attempting to mark a pseudo register.
7645 (mark_set_resources): Likewise.
7647 2001-01-01 Michael Hayes <mhayes@redhat.com>
7649 * loop.h (REG_IV_CLASS): New accessor macro.
7650 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
7651 * unroll.c (REG_IV_CLASS): Likewise.
7653 See ChangeLog.4 for earlier changes.