1 2001-04-03 Alexandre Oliva <aoliva@redhat.com>
3 * config/sh/crtn.asm (init, fini): Restore r15 from r14, not the
5 * config/sh/crti.asm: Fix typos in comments.
7 2001-04-03 Alan Modra <alan@linuxcare.com.au>
9 * pa.h: Revise comments for TARGET_NO_SPACE_REGS and
10 TARGET_FAST_INDIRECT_CALLS.
11 * pa.c (override_options): TARGET_NO_SPACE_REGS is now OK with
13 (return_addr_rtx): Short circuit export stub matching when
15 (output_millicode_call): For out of range calls, make -fPIC
16 take precedence, then TARGET_PORTABLE_RUNTIME, then ble. Don't
17 return before delay slot checks when TARGET_PORTABLE_RUNTIME.
18 * pa.md: Modify length attr calculation of all millicode insns to
21 2001-04-02 Geoffrey Keating <geoffk@redhat.com>
23 * configure.in (gcc_cv_as_leb128): Correct name of cache variable.
24 Require at least 2.11 in the version test. Specifically check
25 for and reject GAS version 2.10.90.
26 * configure: regenerate.
28 2001-04-03 Alan Modra <alan@linuxcare.com.au>
30 * pa.c (override_options): Remove PIC profiling warning.
31 (hp_profile_labelno): Delete.
32 (hp_profile_label_rtx): Delete.
33 (hp_profile_label_name): Delete.
34 (pa_add_gc_roots): Remove reference to hp_profile_label_rtx.
35 (output_function_prologue): Remove profiling code and all tests on
36 profile_flag. Move store of PIC_OFFSET_TABLE_REGNUM now that
37 merge_sp_adjust_with_store can work for PIC and profiling.
38 (hppa_expand_epilogue): Remove profile_flag test.
39 (hppa_can_use_return_insn_p): Likewise.
40 (hppa_init_pic_save): Emit before tail_recursion_reentry, and
41 cater for PROFILE_HOOK.
42 (hppa_profile_hook): New function.
43 * pa.h (FUNCTION_PROFILER): Now does nothing.
44 (PROFILE_HOOK): Define.
45 (hppa_profile_hook): Declare.
46 (PROFILE_BEFORE_PROLOGUE): Delete.
47 (ASM_OUTPUT_REG_PUSH): Delete.
48 (ASM_OUTPUT_REG_POP): Delete.
49 * pa.md (call_profiler): Turn it into a call insn, and don't `use'
50 r24. Accept function name operand, and use this and a locally
51 generated label to calculate pc-rel offset to func start.
53 2001-04-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
55 * $(HOST_PREFIX_1)errors.o, $(HOST_PREFIX_1)ggc-none.o,
56 ggc-common.o, ggc-simple.o, ggc-page.o, ggc-none.o: Depend on
59 2001-04-03 Alan Modra <alan@linuxcare.com.au>
61 * dwarf2out.c (dwarf2out_frame_debug_expr): Move errant HIGH and
62 LO_SUM cases to where they belong.
64 2001-04-02 Richard Henderson <rth@redhat.com>
66 * except.h (lang_eh_type_covers): Mark extern.
67 (lang_eh_runtime_type): Likewise.
69 2001-04-02 Zack Weinberg <zackw@stanford.edu>
71 * genattr.c, gencheck.c, gencodes.c, genconfig.c, genflags.c,
72 gengenrtl.c: Wrap generated header in multiple-include guard.
73 Improve error checking.
75 2001-04-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
77 * configure.in: Don't check for putenv.
78 * configure: Regenerate.
79 * gcc.c (putenv): Don't define.
80 * vax/xm-vms.h: Handle putenv.
82 2001-04-02 Jakub Jelinek <jakub@redhat.com>
84 * ifcvt.c (noce_emit_move_insn): New.
85 (noce_try_store_flag, noce_try_store_flag_constants,
86 noce_try_store_flag_inc, noce_try_store_flag_mask,
87 noce_try_cmove, noce_try_cmove_arith, noce_try_minmax,
88 noce_try_abs): Use it.
89 (noce_process_if_block): Likewise.
90 For STRICT_LOW_PART, take mode from its SUBREG.
92 2001-04-02 Jakub Jelinek <jakub@redhat.com>
94 * fold-const.c (fold): Before optimizing unsigned comparison with
95 0x7fffffffU, make sure arg0 is integral type.
97 2001-04-02 Joseph S. Myers <jsm28@cam.ac.uk>
99 * c-tree.texi: Document representation of wide strings.
101 2001-04-01 Richard Henderson <rth@redhat.com>
103 * except.h (expand_builtin_dwarf_fp_regnum): Declare.
105 Sun Apr 1 11:49:05 CEST 2001 Jan Hubicka <jH@suse.cz>
107 * i386.md: remove obsoleted comments.
108 (adddi_?): Rename to adddi_?_rex64; disable for 32bit.
109 (x86_movsicc_0_m1_rex64): Rename to x86_movdicc_0_m1_rex64;
112 2001-03-31 Marek Michalkiewicz <marekm@linux.org.pl>
114 * config/avr/libgcc.S (__mulhi3): Optimize previous change.
116 2001-03-30 Bernd Schmidt <bernds@redhat.com>
118 * loop.c (load_mems): When generating a load from a pseudo, update
121 Fri Mar 30 17:36:43 CEST 2001 Jan Hubicka <jh@suse.cz>
123 * i386.c (ix86_split_long_move): Use change address to compensate
124 stack pointer change in push instruction.
126 Fri Mar 30 00:31:00 CEST 2001 Jan Hubicka <jh@suse.cz>
128 * i386.md (sse_movdfcc_eq): Fix constraint (sse_mov?fcc splitter): Use operands_match_p
129 instead of rtx_equal_p; fix the output template.
131 Fri Mar 30 00:21:41 CEST 2001 Jan Hubicka <jh@suse.cz>
133 * i386.c (ix86_expand_setcc): Support 64bit.
134 (ix86_expand_int_movcc): Likewise.
135 * i386.md (movdicc_rex64, x86_movsicc_0_m1_rex64, movdicc_c_rex64):
138 * i386.md (allocate_stack_worker): Turn to expander.
139 (allocate_stack_worker_1, allocate_stack_worker_rex64): New insns.
141 * i386.c (print_reg): Do not print x86_64 style regs on IA-32
143 2001-03-29 Richard Henderson <rth@redhat.com>
145 * libgcc2.c [L__main]: Include unwind-dw2-fde.h instead of frame.h.
147 2001-03-28 Matthew Hiller <hiller@redhat.com>
149 * config/mn10300/mn10300.md (cmpsi): Fix first alternative's
152 * MAINTAINERS: Added self.
154 2001-03-28 Richard Henderson <rth@redhat.com>
156 * Makefile.in (cs-tconfig.h): Depend on CONFIG_H, not GCONFIG_H.
157 Use ALL_CFLAGS not HOST_CFLAGS for sjlj detection.
159 2001-03-28 Jim Wilson <wilson@redhat.com>
161 * config/ia64/ia64.md (movtf): Change DImode to TFmode in calls to
164 2001-03-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
166 * toplev.h (fatal_error): Add ATTRIBUTE_NORETURN.
168 * tradcif.y (yyerror): Likewise. Add format specifier in call to
171 * tradcpp.c (macroexpand): Likewise for call to `error_with_line'.
173 2001-03-28 DJ Delorie <dj@redhat.com>
175 * Makefile.in (stage1_build): Revert CFLAGS patch.
177 2001-03-28 Marek Michalkiewicz <marekm@linux.org.pl>
179 * config/avr/libgcc.S (__mulhi3): Correct tests to exit the loop
180 when multiplier or multiplicand is zero.
182 2001-03-28 Bernd Schmidt <bernds@redhat.com>
184 * cselib.c (hash_rtx): Don't do tail recursion elimination by hand.
186 * config/ia64/ia64.c (update_set_flags): New function, broken out of
188 (set_src_needs_barrier): Likewise.
189 (rtx_needs_barrier): For SET case, use these two functions. Rework
190 PARALLEL case to handle all inputs before all outputs.
191 (emit_insn_group_barriers): Call init_insn_group_barriers only if we
192 saw a label and no stop bit since then.
193 (maybe_rotate, process_epilogue): Add prototypes.
195 2001-03-28 Richard Henderson <rth@redhat.com>
197 * config/rs6000/rs6000.h (EPILOGUE_USES): Use TARGET_AIX,
198 not TARGET_TOC for special toc restore handling.
199 * config/rs6000/rs6000.md (eh_return): Likewise.
201 2001-03-28 Richard Henderson <rth@redhat.com>
203 * config/sparc/sparc.c (eligible_for_epilogue_delay): False if
204 current_function_calls_eh_return.
205 (output_function_epilogue): Handle eh_return.
206 * config/sparc/sparc.h (DOESNT_NEED_UNWINDER): Remove.
207 (EH_RETURN_DATA_REGNO): New.
208 (EH_RETURN_STACKADJ_RTX): New.
209 (EH_RETURN_HANDLER_RTX): New.
210 * config/sparc/sparc.md (call/short branch peepholes): Check
211 can_throw_internal instead of in_same_eh_region.
213 * config/rs6000/rs6000.c (rs6000_stack_info): Allocate space
214 for eh_return data registers.
215 (rs6000_emit_prologue): Save eh_return data registers.
216 (rs6000_emit_epilogue): Force inline restores if eh_return.
217 Restore eh_return data registers. Mind EH_RETURN_STACKADJ_RTX.
218 * config/rs6000/rs6000.h (rs6000_stack_t): Add ehrd_offset.
219 (EH_RETURN_DATA_REGNO, EH_RETURN_STACKADJ_RTX): New.
220 (EPILOGUE_USES): True for TOC_REGISTER if calls_eh_return and
222 * config/rs6000/rs6000.md (eh_epilogue, eh_reg_restore): Remove.
223 (return_eh_si, return_eh_di): Remove.
224 (eh_return): New, from corpse of eh_epilogue.
225 (eh_set_lr_si, eh_set_lr_di): New.
227 * config/i386/i386.c (general_no_elim_operand): Disallow virtual regs.
228 (ix86_save_reg): If maybe_eh_return, true for EH_RETURN_DATA_REGNOs.
229 True for pic register if current_function_calls_eh_return.
230 (ix86_expand_epilogue): Change "emit_return" argument into "style".
231 Handle eh_return requirements.
232 * config/i386/i386.h (EH_RETURN_DATA_REGNO): New.
233 (EH_RETURN_STACKADJ_RTX): New.
234 * config/i386/i386.md (exception_receiver): Remove.
235 (eh_return, eh_return_1): New.
236 * config/i386/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
238 * config/alpha/alpha.c (alpha_sa_mask): Add EH_RETURN_DATA_REGNOs.
239 (alpha_mark_machine_status): No eh_epilogue_sp_ofs ...
240 (alpha_expand_epilogue): ... use EH_RETURN_STACKADJ_RTX instead.
241 * config/alpha/alpha.h (machine_function): Remove eh_epilogue_sp_ofs.
242 (EH_RETURN_DATA_REGNO): New.
243 (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): New.
244 * config/alpha/alpha.md (eh_epilogue): Remove.
245 (exception_receiver): Use $26 for ldgp input.
246 * config/alpha/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
248 2001-03-28 Richard Henderson <rth@redhat.com>
250 * except.c: Rewrite entirely for IA-64 ABI exception handling.
251 * except.h: Likewise.
253 * Makefile.in (LIB2ADDEH): Mention unwind-dw2*.c
255 (LIB2FUNCS_EH): Remove.
256 (LIB2ADD): Remove LIB2ADDEH.
257 (libgcc.mk): Pass LIB2ADDEHDEP, don't pass LIB2FUNCS_EH.
258 (LIBGCC_DEPS): Use LIB2ADDEHDEP.
259 (crt{begin,end}[S].o): Likewise.
260 (except.o): Update includes.
261 * mklibgcc.in: Remove LIB2FUNCS_EH, add LIB2ADDEH, LIB2ADDEHDEP.
262 (libgcc2_c_dep): Use LIB2ADDEHDEP.
264 * basic-block.h (struct basic_block_def): Remove eh_beg, eh_end.
265 * bb-reorder.c (reorder_basic_blocks): Don't disable for EH.
266 * builtins.def (BUILT_IN_EH_RETURN_DATA_REGNO): New.
267 * builtins.c (expand_builtin): Implement it.
268 [BUILT_IN_EH_RETURN]: Update for nr arguments change.
269 * c-common.c (c_common_nodes_and_builtins): Declare it.
270 * c-decl.c (init_decl_processing): Update __builtin_eh_return.
271 * calls.c (libfunc_nothrow): Remove.
272 (emit_library_call_value_1): Don't call it.
273 * crtstuff.c: Include unwind-dw2-fde.h instead of frame.h.
274 * dwarf2.h (dwarf_call_frame_info): Add dwarf2.1 elements.
275 (DW_EH_PE_*): New defines for pointer encoding in .eh_frame.
276 * dwarf2out.c (struct dw_fde_struct): Add uses_eh_lsda, funcdef_number.
277 (current_funcdef_number): Globalize.
278 (output_call_frame_info): Emit frame data if an lsda is needed.
279 Generate augmentation for personality routine. Don't play with
281 (dwarf2out_begin_prologue): Record funcdef_number.
282 * dwarf2out.h (current_funcdef_number): Declare.
283 * expr.c (expand_expr): Update for except.h name changes.
284 Remove POPDCC_EXPR, POPDHC_EXPR. Add EXC_PTR_EXPR.
285 * expr.h (LTI_throw, LTI_rethrow): Remove.
286 (LTI_sjthrow, LTI_sjpopnthrow, LTI_terminate): Remove.
287 (LTI_eh_rtime_match): Remove.
288 (LTI_unwind_resume, LTI_eh_personality): Add.
289 (LTI_unwind_sjlj_register, LTI_unwind_sjlj_unregister): Add.
290 * final.c (final): Don't call check_exception_handler_labels,
291 init_insn_eh_region, or free_insn_eh_region.
292 (final_scan_insn): Always emit debug labels for
293 NOTE_INSN_EH_REGION notes.
294 * flags.h (flag_new_exceptions): Remove.
295 * flow.c (entry_exit_blocks): Remove eh_beg, eh_end.
296 (record_active_eh_regions): Remove.
297 (count_basic_blocks): Check all instructions for REG_EH_REGION.
298 Use can_throw_internal.
299 (find_basic_blocks_1): Likewise.
300 (move_stray_eh_region_notes): Remove.
301 (find_label_refs): No eh_return_stub_label.
302 (make_edges): Likewise. No init/free_eh_nesting_info. Handle RESX.
303 (make_eh_edge): No eh_nest_info. Update for reachable_handlers
305 (delete_unreachable_blocks): Don't track deleted handlers.
306 (flow_delete_block): Use maybe_remove_eh_handler.
307 (delete_eh_regions): Remove.
308 (merge_blocks): Don't check for eh region match.
309 (mark_regs_live_at_end): Handle EH_RETURN_DATA_REGNO,
310 EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX.
311 (init_propagate_block_info): Disable dead frame store optimization
312 when current_function_calls_eh_return.
313 (dump_bb): Don't print eh_beg, eh_end.
314 * function.c (fixup_var_refs): No catch_clauses.
315 (expand_function_end): Likewise. Call expand_eh_return before
316 the return register use. Call sjlj_emit_function_exit_after.
317 (expand_function_start): Force pseudo DECL_RESULT if sjlj exceptions.
318 * function.h (struct function): Add calls_eh_return, uses_eh_lsda.
319 * ifcvt.c (dead_or_predicable): Remove eh region check.
320 * integrate.c (function_cannot_inline_p): Disallow __builtin_eh_return.
321 Don't check for EH vs parameters.
322 (expand_inline_function_eh_labelmap, eif_eh_map): Remove.
323 (expand_inline_function): Call duplicate_eh_regions.
324 (copy_insn_list): Don't handle NOTE_INSN_EH_REGION_BEG/END.
325 (copy_insn_notes): Remap REG_EH_REGION notes.
326 (copy_rtx_and_substitute): Remove SYMBOL_REF_NEED_ADJUST check.
327 * integrate.h (struct inline_remap): Add local_return_label.
328 * jump.c (jump_optimize_1): Don't init/free_insn_eh_region, nor
329 check_exception_handler_labels, nor exception_optimize.
330 (find_cross_jump): No EH region check.
331 * optabs.c (init_optabs): Update for changed eh libfuncs.
332 * rtl.def (RESX): New.
333 * rtl.h (SYMBOL_REF_NEED_ADJUST): Remove.
334 * stmt.c (expand_decl_cleanup): Simplify using_eh_for_cleanups_p
335 checks. Update for except.h name changes.
336 (expand_cleanups): Likewise.
337 (expand_dcc_cleanup, expand_dhc_cleanup): Remove.
338 * toplev.c (dump_file_index, dump_file): Add .02.eh dump.
339 (compile_file): Call init_eh before init_optabs. Don't
340 output_exception_table here.
341 (rest_of_compilation): Call convert_from_eh_region_ranges,
342 convert_to_eh_region_ranges, output_function_exception_table.
343 Don't emit_eh_context.
344 * tree.def (POPDHC_EXPR, POPDCC_EXPR): Remove.
347 * md.texi (eh_epilogue): Remove.
348 (eh_return): Document.
349 * tm.texi (EH_RETURN_DATA_REGNO): Document.
350 (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): Document.
352 * eh-common.h: Remove file.
353 * frame-dwarf2.c, frame.c, frame.h: Remove files.
354 * libgcc2.c (L_eh): Remove.
356 * unwind-dw2-fde.c: New file, largely copied from frame.c.
357 * unwind-dw2-fde.h: New file.
358 * unwind-dw2.c: New file, largely cribbed from frame-dwarf2.c.
359 * unwind-sjlj.c, unwind.h, unwind.inc: New files.
360 * libgcc-std.ver: Update for eh symbols.
362 2001-03-27 Richard Henderson <rth@redhat.com>
364 * regmove.c (perhaps_ends_bb_p): Use can_throw_internal to
365 reduce false positives.
366 (regmove_optimize): Disable if flag_non_call_exceptions.
368 * stmt.c (expand_return): Remove always true predicate.
369 (expand_decl_cleanup_no_eh): Remove dead code.
371 * sched-deps.c (sched_analyze_insn): Consolidate scheduling
372 barrier code. Add a scheduling barrier if a non-call insn
373 can throw internally.
375 * rtlanal.c (rtx_addr_can_trap_p): Virtual registers cannot trap.
376 Auto-inc addresses trap only if their base register does.
378 * except.c (can_throw_internal): Rename from can_throw.
379 * except.h, resource.c: Update references.
381 * integrate.c (copy_insn_list): Use returnjump_p.
382 (copy_insn_notes): Recurse for CALL_PLACEHOLDER.
384 * function.h (struct function): Move all boolean valued fields
385 to single bit fields at the end of the struct.
387 * bb-reorder.c, dwarf2out.c, except.c, except.h, flow.c,
389 Rename asynchronous_exceptions to flag_non_call_exceptions.
391 * gthr-single.h (UNUSED): New. Distinguish between how C
392 and C++ mark unused function arguments. Use throughout.
394 * Makefile.in (cs-tconfig.h): Copy USING_SJLJ_EXCEPTIONS
395 value to target configuration header.
396 * configure.in (CONFIG_SJLJ_EXCEPTIONS): New.
397 * config.in, configure: Rebuild.
398 * except.h (USING_SJLJ_EXCEPTIONS): New. Define based on
399 configuration and target defines.
400 (exceptions_via_longjmp): Remove.
401 * dwarf2out.c, except.c, final.c, toplev.c, config/ia64/ia64.c:
402 Use USING_SJLJ_EXCEPTIONS instead of exceptions_via_longjmp.
404 * except.h (flag_non_call_exceptions): Move ...
407 * combine.c (distribute_notes) [REG_EH_REGION]: If non-call
408 exceptions, put the note on the trapping instruction.
410 * flags.h (flag_new_exceptions): Remove.
411 * toplev.c: Don't set it.
412 * final.c: Don't check it.
413 * except.c: Provide stub definition.
415 * flow.c (tidy_fallthru_edges): Don't combine complex edges.
416 (calculate_global_regs_live): Kill call-clobbered registers
417 across exception edges.
418 * reg-stack.c (convert_regs_1): Kill the entire target stack
419 across non-call exception edges.
421 * flow.c (cleanup_cfg): Take no argument.
422 * output.h, sibcall.c, toplev.c: Update all calls.
424 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
426 * configure.in: Don't check for bcopy.
427 * configure, config.in: Regenerate.
429 * system.h: Don't define or prototype bcopy, instead poison it.
431 2001-03-27 Richard Henderson <rth@redhat.com>
433 * function.c (expand_function_start): Set DECL_REGISTER on
434 a pseudo used for DECL_RESULT.
436 * rtl.h (LCT_NORETURN): New.
437 * calls.c (emit_library_call_value_1): Handle it.
439 2001-03-27 Stan Shebs <shebs@apple.com>
441 * objc/objc-act.c (objc_init): Use dump_base_name.
442 (gen_declaration): Clear the buffer arg.
443 (gen_declaration_1): New function, body of gen_declaration.
444 (adorn_decl): Call gen_declaration_1 instead of gen_declaration.
445 (gen_method_decl): Ditto, plus always clear buffer arg.
446 (error_with_ivar): Simplify.
447 (warn_with_method): Ditto.
448 (build_message_expr): Don't clear buffers.
449 (dump_interface): Ditto.
451 (build_keyword_selector): Clear the buffer by only zeroing
453 (objc_implementation_context): Declare.
454 (start_class): Warn about missing @end.
455 (finish_objc): Ditto.
457 2001-03-28 John David Anglin <dave@hiauly1.hia.nrc.ca>
459 * reload1.c (eliminate_regs): Don't abort on MEM USEs.
461 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
463 * Makefile.in (SYSTEM_H): Define.
464 Depend on $(SYSTEM_H), not system.h.
466 * objc/Make-lang.in: Depend on $(SYSTEM_H), not system.h.
468 2001-03-27 Jim Wilson <wilson@redhat.com>
470 * final.c (final_scan_insn, case NOTE_INSN_BASIC_BLOCK): Call
472 * config/ia64/ia64.c (block_num, need_copy_state): New static vars.
473 (process_epilogue): New static function.
474 (process_set): Call process_epilogue instead of emitting .restore
476 (process_for_unwind_directive): Handle NOTE_INSN_BASIC_BLOCK.
478 * flow.c (struct reg_cond_life_info): New fields orig_condition
480 (init_propagate_block_info): Set new fields.
481 (mark_regno_cond_dead): Set and use new fields.
482 (flush_reg_cond_reg_1): Likewise.
483 (and_reg_cond, case AND): Check for redundant AND conditions.
484 (mark_used_reg): Delete unnecessary clears before freeing splay trees.
487 2001-03-27 Neil Booth <neil@daikokuya.demon.co.uk>
489 * cppmacro.c (stringify_arg): Null terminate strings.
491 2001-03-27 Zack Weinberg <zackw@stanford.edu>
493 * config.gcc (m68hc11-*-*, m68hc12-*-*): Convert to new tm.h
494 inclusion style. xm-m68hc11.h no longer exists.
495 * config/m68hc11/xm-m68hc11.h: Delete file.
496 * config/m68hc11/m68hc12.h: Convert to new tm.h inclusion style.
498 * config/m68hc11/m68hc11.h: Convert to new tm.h inclusion style.
499 Don't define GCC_VERSION, N_, or PARAMS; don't include
500 gansidecl.h or stdio.h. Define inhibit_libc here.
501 Make code conditioned on #if GCC_VERSION > 2095 unconditional.
502 Delete code conditioned on #if GCC_VERSION == 2095.
504 * config/m68hc11/m68hc11-protos.h, config/m68hc11/m68hc11.c:
505 Make code conditioned on #if GCC_VERSION > 2095 unconditional.
506 Delete code conditioned on #if GCC_VERSION == 2095.
508 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
510 * system.h: Include symcat.h.
511 (STRINGIFY): Don't define.
513 * configure.in: Adjust comment.
515 * builtins.c: Use STRINGX, not STRINGIFY.
516 * gencheck.c: Likewise.
517 * gengenrtl.c: Likewise.
518 * protoize.c: Likewise.
520 * cpplex.c: Don't include symcat.h.
521 * cpplib.c: Likewise.
523 * gansidecl.h (HAVE_STRINGIZE): Don't define.
525 2001-03-27 Alan Modra <alan@linuxcare.com.au>
527 * c-typeck.c (digest_init): Fold init expression.
529 2001-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
531 * sbitmap.c (sbitmap_copy): Call memcpy, not bcopy.
533 2001-03-27 Alan Modra <alan@linuxcare.com.au>
535 * except.c (eh_regs): Save results of build_pointer_type to a temp
536 as FUNCTION_VALUE macro may evaluate its args multiple times.
538 2001-03-26 Mark Mitchell <mark@codesourcery.com>
540 * c-common.h (DECL_NUM_STMTS): New macro.
541 * c-decl.c (duplicate_decls): Copy DECL_NUM_STMTS, not
543 (pushdecl): Likewise.
544 * c-semantics.c (add_stmt): Update DECL_NUM_STMTS.
545 * integrate.c (expand_inline_function): Don't check
547 * print-tree.c (print_node): Don't print it.
548 * toplev.c (rest_of_compilation): Don't try to inline when
549 flag_no_inline is on.
550 * tree.h (DECL_FRAME_SIZE): Remove.
551 (tree_decl): Adjust accordingly.
553 2001-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
555 * combine.c (try_combine): Use memcpy, not bcopy.
557 * genattrtab.c (expand_units): Likewise.
559 Mon Mar 26 15:55:08 CEST 2001 Jan Hubicka <jh@suse.cz>
561 * i386.md (push mem DI peep2): New.
562 (mov 0, mov -1 peep2): Handle 64bit.
563 (lea to arithmetics peep2): Handle 64bit leas.
564 (rsp arithmetics to push/pop peep2s): New.
566 * i386.md (truncdfsf2_3, trunctfsf2_2): Change predicate to memory_operand.
568 Mon Mar 26 14:35:18 CEST 2001 Jan Hubicka <jh@suse.cz>
570 * i386.c (struct machine_function): Add save_varrargs_registers.
571 (ix86_save_varrargs_registers): New macro.
572 (ix86_frame_layout): Support 64bit; support red zones and varrargs area.
573 (ix86_expand_prologue): Likewise.
574 (ix86_emit_epilogue_esp_adjustement): Likewise.
575 (ix86_expand_epilogue): Likewise.
576 * i386.md (pro_epilogue_adjust_stack): Turn to expander; support 64bit.
577 (pro_epilogue_adjust_stack_1): New insn.
578 (pro_epilogue_adjust_stack_rex64): Likewise.
579 * i386.h (MASK_NO_RED_ZONE): New constant.
580 (TARGET_RED_ZONE): New macro.
581 (TARGET_OPTIONS): Add "red-zone" and "no-red-zone"
582 (RED_ZONE_SIZE): New constant.
583 (RED_ZONE_RESERVE): New constant.
585 2001-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
587 * toplev.c (set_float_handler): Use memcpy, not bcopy.
589 2001-03-25 Kazu Hirata <kazu@hxi.com>
591 * config/h8300/h8300.md (umodqi3): Output a tab instead of a
597 2001-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
599 * mkconfig.sh (DEFINES): Handle entries with '='.
601 * config.gcc: Don't use i370/xm-mvs.h or ns32k/xm-pc532-min.h.
602 Set xm_defines to MACRO=value instead.
604 * i370/xm-mvs.h: Delete.
606 * ns32k/xm-pc532-min.h: Likewise.
608 Sun Mar 25 15:01:40 CEST 2001 Jan Hubicka <jh@suse.cz>
610 * i386.md (ashldi3, ashrdi3, lshrdi3): Change predicates to
612 use ix86_expand_binary_operator
613 (?sh??i_?): Disable for 64bit.
614 * i386.h (PREDICATE_CODES): Add shiftdi_operand.
615 * i386.c (shiftdi_operand): New predicate.
617 * (ashldi3_1_rex64, ashldi3_cmp_rex64, ashlsi3_1_zext, ashlsi3_cmp_zext,
618 ashrdi3_63_rex64, ashrdi3_1_one_bit_rex64, ashrdi3_1_rex64,
619 ashrdi3_one_bit_cmp_rex64, ashrdi3_cmp_rex64, ashrsi3_31_zext,
620 ashrsi3_1_one_bit_zext, ashrsi3_1_zext, ashrsi3_one_bit_cmp_zext,
621 ashrsi3_cmp_zext, lshrdi3_1_one_bit_rex64, lshrdi3_1_rex64,
622 lshrdi3_cmp_one_bit_rex64, lshrdi3_cmp_rex64, lshrsi3_1_one_bit_zext,
623 lshrsi3_1_zext, lshrsi3_cmp_one_bit_zext, lshrsi3_cmp_zext,
624 rotlsi3_1_one_bit_rex64, rotldi3_1_rex64,
625 rotlsi3_1_one_bit_zext, rotlsi3_1_zext, rotrdi3_1_one_bit_rex64,
626 rotrdi3_1_rex64, rotrsi3_1_one_bit_zext, rotrsi3_1_zext): New patterns.
627 (rotldi3, rotrdi3): New expanders.
629 Sun Mar 25 14:25:33 CEST 2001 Jan Hubicka <jh@suse.cz>
631 * i386.md (movstrsi): Move offline.
633 (strmovdi_rex64): New.
634 (strmov?i): Accept 64bit.
635 (strmov?i_rex64): New.
636 (strmov?i_rex_1): New.
637 (strmov?i_1): Disable for 64bit.
638 (rep_mov?i_rex64): New.
639 (rep_mov?i): Disable for 64bit.
640 (clrstrsi): Move offline.
641 (strset?i_rex64): New.
642 (strset?i: Accept 64bit.
643 (rep_stos?i): Disable for 64bit.
644 (rep_stos?i_rex64): New.
645 (strset?i_rex_1): New.
646 (strset?i_1): Disable for 64bit.
647 (cmpstrsi): Accept 64bit.
648 (cmpstrsi_nz_1): Rename to cmpstrqi_nz_1; Disable for 64bit.
649 (cmpstrqi_nz_rex_1): New.
650 (cmpstrsi_1): Rename to cmpstrqi_1; Disable for 64bit.
651 (strlensi): Move offline.
653 (strlenqi_1): Disable for 64bit; fix constraints.
654 (strlenqi_rex_1): New.
655 * i386.c (ix86_adjust_counter): New static function.
656 (ix86_zero_extend_to_Pmode): Likewise.
657 (ix86_expand_aligntest): Likweise.
658 (ix86_expand_strlensi_unroll_1): Make static; update for 64bit.
659 (ix86_expand_movstr): New global function.
660 (ix86_expand_clrstr): New global function.
661 (ix86_expand_strlen): New global function.
662 * i386-protos.h (ix86_expand_movstr, ix86_expand_clrstr,
663 ix86_expand_strlen): Declare.
664 (ix86_expand_strlensi_unroll_1): Delete.
666 Sat Mar 24 23:15:19 CET 2001 Jan Hubicka <jh@suse.cz>
668 * i386.md (cmpdi): Fix operand predicates.
669 (cmpdi_ccno_1_rex64, cmpdi_minus_1_rex64, cmpdi_1_rex64,
670 cmpdi_1_insn_rex64): New patterns.
671 (adddi3): Turn to expander.
672 (adddi3_1, adddi3_carry_rex64, adddi3_cc_rex64): New patterns.
673 (addsi3_carry_zext): New pattern.
674 (adddi_?_rex64): New patterns and splitters.
675 (addsi_?_zext): New patterns.
676 (subsi3_carry_zext): New pattern.
677 (subdi_?_rex64): New patterns and splitters.
678 (iorsi_?_zext): New patterns.
679 (iordi_?_rex64): New patterns and splitters.
680 (iorsi_?_zext): New patterns.
681 (iorsi_?_zext_imm): New patterns.
682 (xorsi_?_zext): New patterns.
683 (xordi_?_rex64): New patterns and splitters.
684 (xorsi_?_zext): New patterns.
685 (negdi*): New patterns.
686 (one_cmpldi*): Likewise.
687 (one_cmplsi*_zext, negsi*_zext): Likewise.
688 (testqi_ext_3_rex64): New pattern.
690 Sat Mar 24 21:13:28 CET 2001 Jan Hubicka <jh@suse.cz>
692 * i386-protos.h (ix86_split_long_move): Return void.
693 * i386.c (ix86_split_to_parts): Handle 64bit target.
694 (ix86_split_long_move): Likewise.
695 * i386.md (all calls to ix86_split_long_move): Update.
697 2001-03-23 Richard Henderson <rth@redhat.com>
699 * config/mips/iris4.h (ASM_OUTPUT_ASCII): Rename local variables
700 to avoid shadowing arguments.
702 2001-03-23 Jakub Jelinek <jakub@redhat.com>
704 * varasm.c (make_decl_rtl): Don't append var_labelno discriminator
705 to variable names where DECL_NAME is different from
708 2001-03-23 Jim Wilson <wilson@redhat.com>
710 * varasm.c (make_decl_rtl): Add TREE_PUBLIC check to abort test.
711 (assemble_alias): Call make_decl_rtl.
713 Fri Mar 23 16:59:08 2001 J"orn Rennecke <amylaar@redhat.com>
715 * stor-layout.c (layout_type): Give OFFSET_TYPE a MODE_INT type.
717 2001-03-23 Bryce McKinlay <bryce@albatross.co.nz>
719 * extend.texi: Document the "java_interface" attribute.
721 2001-03-22 Zack Weinberg <zackw@stanford.edu>
723 * mkconfig.sh: Use a subshell with redirected stdout,
724 instead of closing stdout and confusing commands that run
725 afterward. Throw away output of cmp.
727 2001-03-22 Gordon Sadler <gbsadler1@lcisp.com>
729 * Makefile.in (stage1_build): Pass CFLAGS to stage1_build.
731 Thu Mar 22 22:15:59 CET 2001 Jan Hubicka <jh@suse.cz>
733 * i386.md (zero_extendsidi2_32): Break out from ...
734 (zero_extendsidi2): ... here ; turn to expander.
735 (zero_extendsidi2_rex64): New.
736 (extendsidi2_32): Break out from ...
737 (extendsidi2): ... here ; turn to expander.
738 (extendsidi2_rex64): New.
739 (zero_extendhidi2, zero_extendqidi2, extendhidi2, extendqidi2): New.
740 (trunc?f?f splitters): Add 64bit versions.
742 Thu Mar 22 21:41:16 CET 2001 Jan Hubicka <jh@suse.cz>
744 * i386.md (pushsi, pushsi2_prologue): Disable.
745 (pushsi2_rex64): New.
746 (movabs?i_1_rex64, movabs?i_2_rex64): New.
747 (movqi_ext_1): Disable for 64bit.
748 (movqi_ext_1_rex64): New.
749 (pushdi2_rex64): New pattern, peep2s and splitter.
750 (pushdi2_prologue_rex64): New pattern.
751 (popdi1_epilogue_rex64, popdi1, movdi_xor_rex64, movdi_or_rex64):
753 (movdi splitters): Disable for 64bit.
754 (movdi_1_rex64): New pattern, peep2s and splitters.
755 (swapdi): New pattern.
756 (pushsf): Disable for 64bit.
757 (pushsf_rex64): New pattern and splitter.
758 (pushdf_nointeger): Disable for 64bit.
759 (pushdf_integer): Handle the 64bit case.
760 (pushtf): Likewise; update splitters.
762 2001-03-22 Richard Henderson <rth@redhat.com>
764 * mkconfig.sh: Include insn-flags.h.
765 * Makefile.in (CONFIG_H): Include insn-flags.h.
766 (lots of objects): Remove insn-codes.h and insn-flags.h.
768 * alias.c, bb-reorder.c, calls.c, do-loop.c, flow.c, haifa-sched.c,
769 integrate.c, jump.c, loop.c, predict.c, profile.c, reg-stack.c,
770 regmove.c, reorg.c, a29k/a29k.c, alpha/alpha.c, arc/arc.c, arm/arm.c,
771 avr/avr.c, clipper/clipper.c, convex/convex.c, d30v/d30v.c,
772 dsp16xx/dsp16xx.c, fr30/fr30.c, h8300/h8300.c, i370/i370.c,
773 i386/i386.c, i860/i860.c, ia64/ia64.c, m32r/m32r.c, m68hc11/m68hc11.c,
774 m68k/m68k.c, m88k/m88k.c, mcore/mcore.c, mn10200/mn10200.c,
775 mn10300/mn10300.c, ns32k/ns32k.c, pa/pa.c, pdp11/pdp11.c,
776 pj/pj.c, romp/romp.c, rs6000/rs6000.c, sh/sh.c, sparc/sparc.c,
777 v850/v850.c, vax/vax.c:
778 Don't include insn-flags.h.
780 * diagnostic.c, expr.h, reload.c, toplev.c:
781 Don't include insn-codes.h.
783 * builtins.c, combine.c, except.c, explow.c, expmed.c, expr.c,
784 final.c, function.c, optabs.c, recog.c, reload1.c, stmt.c,
785 c4x/c4x.c, i960/i960.c, mips/mips.c:
786 Don't include insn-codes.h or insn-flags.h.
788 * genemit.c, genopinit.c, genoutput.c: Don't include insn-codes.h
789 or insn-flags.h in the generated code.
790 * genflags.c (gen_proto): Use "struct rtx_def *" instead of "rtx".
791 (main): Forward declare struct rtx_def.
793 2001-03-22 Joseph S. Myers <jsm28@cam.ac.uk>
795 * invoke.texi (-ffast-math): Remove duplicate line about
798 * gcc.texi: Remove more obsolete documentation of bugs and
799 installation problems.
801 2001-03-21 Kazu Hirata <kazu@hxi.com>
803 * config/h8300/h8300.md (movsi_h8300hs): Split the 2nd alternative
806 2001-03-20 Jason Merrill <jason@redhat.com>
808 * collect2.c (is_ctor_dtor): Always use '_' in the file fn names,
810 * tree.c (FILE_FUNCTION_FORMAT): Likewise.
811 * varasm.c (CHKR_PREFIX): Likewise.
813 Wed Mar 21 14:27:11 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
815 * gcse.c (hash_scan_set): An expression is not anticipatible if it
816 is part of a multi-SET insn.
818 * cse.c (find_comparison_args): Remove previous change.
819 * ifcvt.c (noce_process_if_block): When moving an insn, remove any
822 * config/i386/i386.md (conditional_trap): Remove warning.
824 * recog.c (push_operand): Fix error in last change that caused
825 undefined symbol on many targets.
827 * sdbout.c: #include ggc.h.
828 (sdbout_init): Move to end of file.
829 Call ggc_add_tree_root for anonymous_types.
830 (sdbout_symbol): Use DECL_NAME for local, not DECL_ASSEMBLER_NAME.
831 (sdbout_one_type): Use DECL_NAME for field name.
832 * Makefile.in (sdbout.o): Show includes ggc.h.
834 Wed Mar 21 20:33:26 CET 2001 Jan Hubicka <jh@suse.cz>
836 * i386.c (override_options): Default ix86_regparm to REGPARM_MAX.
837 (override_options): Use properlimits for preferred_stack_boundary.
838 (ix86_valid_type_attribute_p): Disable stdcall and cdecl attributes
840 (ext_register_operand): Accept DImode.
841 (load_pic_register): Abort on 64bit.
842 (gen_push): Use Pmode instead of SImode.
843 (ix86_save_reg): Pic reg is never used on 64bit.
844 (ix86_expand_prologue): Likewise.
845 (ix86_emit_save_regs): Use Pmode instead of SImode.
846 (legitimate_address_p): Check displacement for 64bit.
847 (print_operand): Avoid outputting of (%rip) on 64bit.
848 (print_operand_address): Output (%rip) where possible.
849 (split_di): Abort on 64bit registers.
850 (ix86_expand_branch): DImode comparison is simple for x86_64.
851 (memory_address_length): Recognize memory addresses formed using
853 (ix86_data_alignment, ix86_local_alignment): Align arrays to 16 bytes
855 * i386.h (TARGET_USE_SAHF): Disable for 64bit.
857 Wed Mar 21 18:51:19 CET 2001 Jan Hubicka <jh@suse.cz>
859 * recog.c (push_operand): Recognize new format of push instructions.
861 Wed Mar 21 10:53:57 CET 2001 Jan Hubicka <jh@suse.cz>
863 * i386.md (pushqi1): New.
864 * i386-protos.h (x86_64_general_operand, x86_64_szext_general_operand,
865 x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
866 x86_64_immediate_operand, x86_64_immediate_operand,
867 x86_64_zext_immediate_operand): Declare.
868 * i386.c (x86_64_general_operand, x86_64_szext_general_operand,
869 x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
870 x86_64_immediate_operand, x86_64_immediate_operand,
871 x86_64_zext_immediate_operand): define.
872 * i386.h (PREDICATE_CODES): Add new predicates.
874 Wed Mar 21 10:25:13 CET 2001 Jan Hubicka <jh@suse.cz>
876 * i386.md (pophi1, popqi1, pushqi1): Remove.
878 * expr.c (emit_single_push_insn): New function.
879 (move_by_pieces): Accept NULL as destination for push instructions.
880 (gen_push_operand): Kill.
881 (emit_push_insn): Pass NULL when pushing; avoid updating of
883 * expr.h (gen_push_operand): Kill.
885 Tue Mar 20 20:15:06 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
887 * rtl.texi (COMPARE): Clarify documentation and reference section
890 2001-03-20 Stan Shebs <shebs@apple.com>
892 * objc/objc-act.c (get_static_reference): Use NULL_TREE.
893 (get_object_reference): Ditto.
894 (error_with_ivar): Use error_with_file_and_line.
895 (warn_with_method): Use warning_with_file_and_line.
897 2001-03-20 Tom Tromey <tromey@redhat.com>
899 * libgcc-std.ver: Added __fixunssfsi and __fixunsdfsi.
901 2001-03-20 Mark Mitchell <mark@codesourcery.com>
903 * tree.c (set_decl_assembler_name): Set DECL_ASSEMBLER_NAME for
904 variables that are TREE_PUBLIC, even if not TREE_STATIC.
906 2001-03-20 DJ Delorie <dj@redhat.com>
908 * Makefile.in (install-libgcc): Pass complete list of variables.
909 (install-multilib): Ditto.
911 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
913 * config/i386/cygwin.h: Declare ctor_section, dtor_section
914 drectve_section, switch_to_section.
916 * winnt.c: Declare functions associated_type, gen_stdcall_suffix,
917 i386_pe_dllexport_p, i386_pe_dllimport_p, i386_pe_mark_dllexport,
918 i386_pe_mark_dllimport.
920 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
922 * config/i386/cygwin.h: Include <stdio.h> Declare and constify
925 * config/i386/winnt.c: Include "tm_p.h" and "toplev.h" Constify
926 i386_pe_* functions with char * arguments.
928 2001-03-20 Alexandre Oliva <aoliva@redhat.com>
930 * config/sh/sh.md (movsf_ie): Fix output patterns for fpul load
932 (movsi_ie): Introduce fpul store.
934 2001-03-20 Alan Modra <alan@linuxcare.com.au>
936 * Makefile.in (OBJS): Remove hashtab.o.
938 2001-03-19 Stan Shebs <shebs@apple.com>
940 * objc/objc-act.c (maybe_objc_method_name): Remove, never called.
941 * c-lang.c (maybe_objc_method_name): Ditto.
942 * c-tree.h (maybe_objc_method_name): Remove decl.
944 2001-03-19 Tom Tromey <tromey@redhat.com>
946 * gcc.c (init_gcc_specs): Fix comment.
948 2001-03-19 Mark Mitchell <mark@codesourcery.com>
950 Compute DECL_ASSEMBLER_NAME lazily.
951 * tree.h (DECL_ASSEMBLER_NAME): Compute it lazily.
952 (DECL_ASSEMBLER_NAME_SET_P): New macro.
953 (SET_DECL_ASSEMBLER_NAME): Likewise.
954 (COPY_DECL_ASSEMBLER_NAME): Likewise.
955 (set_decl_assembler_name): Declare.
956 (lang_set_decl_assembler_name): Likewise.
957 * tree.c (lang_set_decl_assembler_name): New variab.e
958 (set_decl_assembler_name): New function.
959 (init_obstacks): Set lang_set_decl_assembler_name.
960 (build_decl): Don't set DECL_ASSEMBLER_NAME.
961 * c-decl.c (duplicate_decls): Use SET_DECL_ASSEMBLER_NAME,
962 COPY_DECL_ASSEMBLER_NAME, etc. Don't set DECL_ASSEMBLER_NAME
963 where it's not necessary.
964 (builtin_function): Likewise.
965 (finish_decl): Likewise.
966 * dbxout.c (dbxout_type_methods): Likewise.
967 * ggc-common.c (ggc_mark_trees): Likewise.
968 * profile.c (output_func_start_profiler): Likewise.
969 * varasm.c (make_decl_rtl): Likewise.
971 * cse.c (find_comparison_args): Update documentation. Fix
972 mishandling of COMPARE operations.
974 * tree.def (ABS_EXPR): Add documentation.
975 * fold-const.c (fold): Improve folding of ABS_EXPRs.
977 2001-03-19 Zack Weinberg <zackw@stanford.edu>
979 * Makefile.in (hash.o): Depend on $(GCONFIG_H), not $(CONFIG_H).
981 2001-03-19 Jakub Jelinek <jakub@redhat.com>
983 * crtstuff.c (init_dummy): Use CRT_END_INIT_DUMMY if defined.
984 Remove ia32 linux PIC kludge and move it...
985 * config/i386/linux.h (CRT_END_INIT_DUMMY): ...here.
987 Mon Mar 19 18:53:54 CET 2001 Jan Hubicka <jh@suse.cz>
989 * i386.md (absdf2 expander): Fix 64bit case.
991 2001-03-19 Brad Lucier <lucier@math.purdue.edu>
993 * Makefile.in: Have splay-tree.o depend on $(GCONFIG_H).
995 2001-03-16 Andrew Haley <aph@cambridge.redhat.com>
997 * config/ia64/libgcc-ia64.ver: Add __ia64_backtrace.
999 2001-03-19 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1001 * README.X11: Remove obsolete file.
1003 2001-03-18 Anthony Green <green@redhat.com>
1005 * config/pj/pj.h: Remove some trailing commas.
1006 (ASM_SPEC): Use -EB and -EL, not -mb and -ml.
1008 2001-03-18 Richard Henderson <rth@redhat.com>
1010 * defaults.h (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Move from ...
1011 * calls.c: ... here.
1012 * combine.c, expr.c, final.c, function.c toplev.c: Don't provide
1013 defaults for them here.
1015 2001-03-17 Anthony Green <green@redhat.com>
1017 * config/pj/lib1funcs.S: Fix broken comment.
1018 * config/pj/pj.h (LOCAL_LABEL_PREFIX): Prefix internal
1021 2001-03-18 Joseph S. Myers <jsm28@cam.ac.uk>
1023 * gcc.texi: Remove obsolete information relating to build and
1024 installation problems with enquire or the Pyramid C compiler.
1026 2001-03-17 Richard Henderson <rth@redhat.com>
1028 * dwarf2out.c (queue_reg_save): New.
1029 (flush_queued_reg_saves, clobbers_queued_reg_save): New.
1030 (dwarf2out_frame_debug_expr): Call queue_reg_save instead of
1032 (dwarf2out_frame_debug): Call flush_queued_reg_saves when needed.
1033 (cfa, cfa_store, cfa_temp): Make static.
1034 * final.c (final_scan_insn): Always call dwarf2out_frame_debug.
1036 2001-03-17 Richard Henderson <rth@redhat.com>
1038 * integrate.h (struct inline_remap): Add local_return_label.
1039 * integrate.c (expand_inline_function): Initialize it and emit
1040 it after copy_insn_notes.
1041 (copy_insn_list): Don't store local_return_label here.
1042 (copy_insn_notes): New function split out from copy_insn_list.
1044 2001-03-17 Richard Henderson <rth@redhat.com>
1046 * dwarf2out.c (lookup_filename): Emit .file if the assembler
1047 is generating .debug_line.
1048 (dwarf2out_init): Add main_input_filename to the file table first.
1049 * configure.in (as_dwarf2_debug_line): Test with file number 1
1050 instead of file number 0.
1052 Sat Mar 17 11:52:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1054 * combine.c (undobuf): Remove field previous_undos; all refs deleted.
1055 (gen_rtx_combine): Deleted; all references changed as appropriate.
1056 (gen_unary): Deleted; all refs changed to call simplify_gen_unary.
1058 * print-tree.c (print_node): Print DECL_NONADDRESSABLE_P.
1060 2001-03-17 David Billinghurst <David.Billinghurst@riotinto.com>
1062 * config/i386/xm-cygwin.h: Include <sys/cygwin.h. Remove unused
1065 2001-03-16 Jim Wilson <wilson@redhat.com>
1067 * config/ia64/ia64.c (ia64_compute_frame_size): If reg_fp is zero,
1068 then set it to LOC_REG (79) instead of aborting.
1070 2001-03-16 Phil Edwards <pme@sources.redhat.com>
1072 * gccbug.in: Remove high priority.
1074 2001-03-16 Richard Henerson <rth@redhat.com>
1076 * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): Substitute leading od
1077 output with a space instead of deleting it.
1078 * configure: Regenerate.
1080 2001-03-16 Zack Weinberg <zackw@stanford.edu>
1082 * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): New utility macro which
1083 handles the gory details of converting an object file into
1084 something that's safe to grep.
1085 (gcc_AC_C_COMPILE_BIGENDIAN): Rename to
1086 gcc_AC_C_COMPILE_ENDIAN. Use gcc_AC_EXAMINE_OBJECT. Put
1087 newlines at either end of the string we're looking for.
1088 Make 'checking ...' message less stilted.
1089 (gcc_AC_C_FLOAT_FORMAT): Use gcc_AC_EXAMINE_OBJECT. Handle
1090 ARM in-memory layout and its hypothetical converse. Don't
1091 define HOST_FLOAT_WORDS_BIG_ENDIAN unless it's different from
1092 HOST_WORDS_BIG_ENDIAN.
1094 * configure.in: Adjust for renamed macro. Move
1095 gcc_AC_C_FLOAT_FORMAT below gcc_AC_C_COMPILE_ENDIAN.
1096 * configure, config.in: Regenerate.
1098 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
1100 * fixinc/Makefile.in: Set SHELL.
1102 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
1104 * fixinc/fixincl.c (fix_with_system): Quote file names before
1105 passing them to shell.
1107 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
1109 * Makefile.in: Use fix-header$(build_exeext) instead
1112 2001-03-16 Richard Henderson <rth@redhat.com>
1114 * dwarf2out.c: Revert most of 2000-11-25 and 2001-01-24 changes.
1115 (LN_PROLOG_AS_LABEL, LN_PROLOG_END_LABEL): New.
1116 (size_of_line_prolog): Remove.
1117 (output_line_info): Compute prologue size via label difference.
1118 (lookup_filename): Return "unspecified" for <internal> and <built-in>.
1120 * configure.in (HAVE_AS_DWARF2_DEBUG_LINE): Require that the
1121 assembler error when redefining file numbers.
1122 * config.in, configure: Rebuild.
1124 * dwarf2asm.c (dw2_asm_output_data): Mask data to the output size.
1125 (dw2_asm_output_data_uleb128): Use space not tab after .uleb128.
1126 (dw2_asm_output_delta_uleb128): Likewise.
1127 (dw2_asm_output_delta_sleb128): Similarly.
1128 (dw2_asm_output_data_sleb128): Similarly. Print number in decimal.
1130 2001-03-16 Michael Meissner <meissner@redhat.com>
1132 * mips.h (BITMASK_HIGH): Replacement for 0x80000000 that avoids
1134 (BITMASK_UPPER16): Replacement for 0xffff0000 that avoids
1136 (BITMASK_LOWER16): Replacement for 0x0000ffff.
1138 * mips.c (save_restore_insns): Use BITMASK_UPPER16/BITMASK_LOWER16
1139 instead of 0xffff0000/0x0000ffff to avoid warnings about constants
1140 being unsigned in ISO C and signed in traditional.
1141 (expand_prologue): Ditto.
1142 (RA_MASK): Use BITMASK_HIGH to avoid warnings.
1144 * mips.md (divmodsi4,divmodsi4): Use BITMASK_HIGH to avoid
1146 (divsi3,divdi3): Ditto.
1147 (modsi3,moddi3): Ditto.
1148 (fix_truncdfsi2,fix_truncdfdi2): Ditto.
1149 (fix_truncsfsi2,fix_truncsfdi2): Ditto.
1150 (movsi split): Use BITMASK_UPPER16/BITMASK_LOWER16 to avoid
1153 Fri Mar 16 14:47:57 CET 2001 Jan Hubicka <jh@suse.cz>
1155 * i386.c (ix86_expand_fp_movcc): Do not attempt to construct
1156 SSE based conditional moves on LTGT/UNEQ conditions;
1157 Canonicalize EQ to NE.
1158 * i386.md (sse_mov?fcc): Disallow EQ and NE in IEEE mode.
1159 (sse_mov?fcc_ne): New.
1161 * i386-protos.h (sign_extended_value, zero_extended_value): Declare.
1163 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
1165 * config/sh/sh.c (sh_expand_prologue): Insns that set up the PIC
1166 register may be dead.
1168 2001-03-16 Brad Lucier <lucier@math.purdue.edu>
1170 * Makefile.in (hash.o): Depend on CONFIG_H.
1172 2001-03-15 Mark Mitchell <mark@codesourcery.com>
1174 * dwarf2out.c (rtl_for_decl_location): Use DECL_RTL_IF_SET.
1176 2001-03-15 Richard Henderson <rth@redhat.com>
1178 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): New.
1179 (ASM_OUTPUT_DWARF_PCREL): New.
1180 * config/ia64/hpux.h (ASM_OUTPUT_DWARF_OFFSET): Remove.
1182 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
1184 * cppfiles.c (stack_include_file): Use MAX of sysp.
1186 2001-03-15 Steve Ellcey <sje@cup.hp.com>
1188 * config.gcc (ia64*-*-hpux*): New case.
1189 * config/ia64/hpux.h: New file for HP-UX support.
1190 * config/ia64/t-hpux: New file for HP-UX support.
1192 2001-03-16 Bruce Korb <bkorb@gnu.org>, Alexandre Oliva <aoliva@redhat.com>
1194 * fixinc/inclhack.def (irix_stdio_va_list): New.
1195 * fixinc/fixincl.x: Rebuilt.
1197 2001-03-15 Richard Henderson <rth@redhat.com>
1199 * dwarf2asm.c (dw2_asm_output_offset): Use ASM_OUTPUT_DWARF_OFFSET
1200 if provided by the target.
1201 (dw2_asm_output_pcrel): Likewise with ASM_OUTPUT_DWARF_PCREL.
1202 (dw2_asm_output_addr): New.
1203 * dwarf2asm.h (dw2_asm_output_addr): Declare.
1204 * dwarf2out.c (output_cfi): Use it for program addresses.
1205 (output_call_frame_info, output_die): Likewise.
1206 (output_aranges, output_line_info): Likewise.
1208 2001-03-15 Bruce Korb <bkorb@gnu.org>
1210 * gcc.c(main): make more rigorous
1211 * collect2.c(main): guard against ignoring SIGCHLD
1212 * protoize.c(main): ditto
1213 * gcc/fixinc/fixincl.c(initialize): ditto
1215 2001-03-15 Mark Mitchell <mark@codesourcery.com>
1217 * sdbout.c (sdbout_symbol): Use DECL_RTL_SET_P, SET_DECL_RTL.
1218 (sdbout_parms): Likewise.
1220 Thu Mar 15 12:57:14 2001 Jeffrey A Law (law@cygnus.com)
1222 * reload1.c (reload_cse_simplify_set): For LOAD_EXTEND_OP, do not
1223 "widen" a destination that is already wider than a word. Also do
1224 not widen if LOAD_EXTEND_OP is NIL for the given mode.
1226 2001-03-15 Bernd Schmidt <bernds@redhat.com>
1228 * config/ia64/ia64.c (ia64_sched_reorder): Remove debugging aids.
1230 Thu Mar 15 11:30:31 EST 2001 John Wehle (john@feith.com)
1232 * i960.h (ROUND_TYPE_SIZE_UNIT): Fix typo.
1234 Thu Mar 15 11:24:29 EST 2001 John Wehle (john@feith.com)
1236 * i960.h (i960_maxbitalignment,
1237 i960_last_maxbitalignment): Declare.
1238 * i960.c (i960_maxbitalignment,
1239 i960_last_maxbitalignment): Make global.
1240 (process_pragma): Delete.
1241 (i960_pr_align, i960_pr_noalign): Move from here ...
1242 * i960-c.c: ... to this new file.
1243 * t-960bare (i960-c.o): New rule.
1244 * t-vxworks960 (i960-c.o): Likewise.
1245 * config.gcc (i960-*-*): Define c_target_objs and
1248 2001-03-15 Bernd Schmidt <bernds@redhat.com>
1250 * cselib.c (hash_rtx): For REG and MEM, just use value of expression
1251 without adding in rtx code and mode.
1253 * alias.c (init_alias_analysis): Don't use any rtx whose value
1254 varies as a known value.
1255 Delete a superfluous test.
1257 * config/ia64/ia64.c (maybe_rotate): New function, broken out of
1259 (ia64_sched_reorder): Call maybe_rotate; also rotate after
1260 scheduling a stop bit.
1261 (ia64_emit_nops): Correctly handle ASMs.
1263 2001-03-15 Mark Mitchell <mark@codesourcery.com>
1265 * varasm.c (assemble_variable): Use DECL_RTL_SET_P.
1267 2001-03-15 Neil Booth <neil@daikokuya.demon.co.uk>
1269 * cpp.texi: Update documentation for -include and -imacros.
1270 * cppfiles.c (struct include_file): Remove "defined" memeber.
1271 (find_or_create_entry): Make a copy of the file name, and
1273 (open_file): Update to ensure we use the simplified filename.
1274 (stack_include_file): Don't set search_from.
1275 (cpp_included): Don't simplify the path name here.
1276 (find_include_file): New prototype. Call search_from to
1277 get the start of the "" include chain. Don't simplify the
1279 (_cpp_execute_include): New prototype. Move diagnostics to
1280 do_include_common. Update.
1281 (_cpp_pop_file_buffer): Don't set defined.
1282 (search_from): New prototype. Use the preprocessor's cwd
1283 for files included from the command line.
1284 (read_name_map): Don't simplify the pathname here.
1285 * cpphash.h (enum include_type): New.
1286 (struct buffer): Delete search from. New search_cached.
1287 (_cpp_execute_include): Update prototype.
1288 * cppinit.c (do_includes): Use _cpp_execute_include.
1289 * cpplib.c (do_include_common): New function.
1290 (do_include, do_include_next, do_import): Use it.
1292 2001-03-14 Mark Mitchell <mark@codesourcery.com>
1294 * varasm.c (assemble_alias): Use DECL_ASSEMBLER_NAME, not the
1295 contents of the RTL, to determine the name of the object.
1297 2001-03-14 Mark Mitchell <mark@codesourcery.com>
1299 * tree.h (DECL_RTL): Allocate RTL lazily.
1300 (SET_DECL_RTL): New macro.
1301 (DECL_RTL_SET_P): Likewise.
1302 (COPY_DECL_RTL): Likewise.
1303 (DECL_RTL_IF_SET): Likewise.
1304 * varasm.c (make_decl_rtl): Add assertions about the kind of
1305 declaration we are processing.
1306 * c-decl.c (duplicate_decls): Use COPY_DECL_RTL, DECL_RTL_SET_P, etc.
1307 (start_decl): Likewise.
1308 (finish_decl): Likewise.
1309 * c-semantics.c (emit_local_var): Likewise.
1310 * calls.c (expand_call): Likewise.
1311 * dbxout.c (dbxout_symbol): Likewise.
1312 * emit-rtl.c (unshare_all_rtl): Likewise.
1313 (unshare_all_decls): Likewise.
1314 (reset_used_decls): Likewise.
1315 * expr.c (store_constructor): Likewise.
1316 (safe_from_p): Likewise.
1317 (expand_expr): Likewise.
1318 * function.c (put_var_into_stack): Likewise.
1319 (instantiate_decls_1): Likewise.
1320 (assign_parms): Likewise.
1321 (expand_function_start): Likewise.
1322 (expand_function_end): Likewise.
1323 * ggc-common.c (gcc_mark_trees): Likewise.
1324 * integrate.c (function_cannot_inline_p): Likewise.
1325 (copy_decl_for_inlining): Likewise.
1326 (expand_inline_function): Likewise.
1327 (integrate_parm_decls): Likewise.
1328 (integrate_decl_tree): Likewise.
1329 * print-tree.c (print_node): Likewise.
1330 * reg-stack.c (stack_result): Likewise.
1331 * stmt.c (label_rtx): Likewise.
1332 (expand_return): Likewise.
1333 (expand_decl): Likewise.
1334 (expand_decl_cleanup): Likewise.
1335 (expand_anon_union_decl): Likewise.
1336 * toplev.c (check_global_declarations): Likewise.
1337 (rest_of_decl_compilation): Likewise.
1338 * tree.c (simple_cst_equal): Likewise.
1339 * objc/objc-act.c (generate_static_references): Likewise.
1341 2001-03-14 Zack Weinberg <zackw@stanford.edu>
1343 * aclocal.m4 (gcc_AC_C_CHARSET, gcc_AC_C_COMPILE_BIGENDIAN,
1344 gcc_AC_C_FLOAT_FORMAT): New macros.
1345 * configure.in: Add AC_PROG_CPP after CC tests;
1346 gcc_AC_C_CHARSET and gcc_AC_C_FLOAT_FORMAT after the sizeof
1347 tests; and gcc_AC_C_COMPILE_BIGENDIAN after gcc_AC_C_CHAR_BIT.
1348 * configure, config.in: Regenerate.
1350 * config/a29k/xm-a29k.h, config/arc/xm-arc.h,
1351 config/arm/xm-arm.h, config/c4x/xm-c4x.h,
1352 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
1353 config/i370/xm-linux.h, config/i370/xm-oe.h,
1354 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
1355 config/m68k/xm-m68k.h, config/mips/xm-mips.h,
1356 config/pa/xm-linux.h, config/pa/xm-pa.h,
1357 config/rs6000/xm-lynx.h, config/rs6000/xm-mach.h,
1358 config/rs6000/xm-rs6000.h, config/rs6000/xm-sysv4.h,
1359 config/sparc/xm-sparc.h, config/vax/xm-vax.h,
1360 config/we32k/xm-we32k.h: Delete.
1362 * config/i370/xm-mvs.h, config/m88k/m88k.h,
1363 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
1364 config/vax/xm-vms.h: Don't define any of:
1365 HOST_FLOAT_FORMAT, HOST_EBCDIC, HOST_WORDS_BIG_ENDIAN
1367 * config/rs6000/aix.h: Define COLLECT_EXPORT_LIST here.
1369 * config.gcc: Remove references to deleted files.
1370 (i370-*-opened*): Use i370/xm-mvs.h (which now defines only
1371 FATAL_EXIT_CODE, which is the same between oe and mvs).
1373 2001-03-14 DJ Delorie <dj@redhat.com>
1374 Vladimir Makarov <vmakarov@redhat.com>
1376 * config/i960/i960.c (i960_function_prologue): Compute size of
1377 frame according to number of registers actually saved there.
1379 2001-03-14 Richard Henderson <rth@redhat.com>
1381 * expr.c (emit_move_insn_1): Fix else if around #endif.
1383 Wed Mar 14 22:39:12 CET 2001 Jan Hubicka <jh@suse.cz>
1386 * md.texi (machine constraints): Document 'Q', 'R', 'e' and 'Z'
1389 Wed Mar 14 22:26:10 CET 2001 Jan Hubicka <jh@suse.cz>
1391 * i386.c (ix86_cmodel_string, ix86_cmodel): Define.
1392 (override_options): Parse cmodel string.
1393 (x86_64_sign_extended_value, x86_64_zero_extended_value): New.
1394 * i386.h (TARGET_OPTIONS): Add "cmodel".
1395 (EXTRA_CONSTRAINT): Recognize 'e' and 'Z'.
1397 (ix86_cmodel_string, ix86_cmodel): Declare.
1399 Wed Mar 14 22:26:54 CET 2001 Jan Hubicka <jh@suse.cz>
1402 * i386.h (GENERAL_REG_P): Add missing REG_P.
1404 2001-03-14 Laurynas Biveinis <lauras@softhome.net>
1406 * configure.in: Use $gcc_cv_as instead of $as.
1407 * configure: Regenerated.
1409 2001-03-14 Neil Booth <neil@daikokuya.demon.co.uk>
1411 * cppfiles.c (stack_include_file): Only increase the include
1412 count if we actually process the file properly, as opposed
1413 to treating it as length zero. Only call read_include_file
1414 if not DO_NOT_REREAD. Handle the -H include file output
1416 (read_include_file): Remove now redundant DO_NOT_REREAD check.
1417 (cpp_included, find_include_file): Simplify pathnames after
1418 remapping them. If remapping, don't use the remapped file
1419 name's buffer as our scratch buffer.
1420 (cpp_pop_file_buffer): Replace the multiple include macro
1421 only if it isn't yet set.
1422 (read_name_map): Simplify remapped names when reading in.
1423 (remap_filename): Move code to code path that uses it.
1424 (_cpp_simplify_pathname): Return the input pointer.
1425 * cpphash.h (_cpp_simplify_pathname): Update prototype.
1427 2001-03-14 Mark Mitchell <mark@codesourcery.com>
1429 * expr.c (expand_expr): Revove bogus conditional.
1431 Wed Mar 14 19:29:50 CET 2001 Jan Hubicka <jh@suse.cz>
1433 * expr.c (emit_move_insn_1): Guard PUSH_ROUNDING use by ifdef.
1435 2001-03-14 Jakub Jelinek <jakub@redhat.com>
1437 * reg-stack.c (stack_result): Unconditionally use
1438 FUNCTION_OUTGOING_VALUE resp. FUNCTION_VALUE.
1440 Wed Mar 14 16:36:25 CET 2001 Jan Hubicka <jh@suse.cz>
1442 * expr.c (emit_move_insn_1): Split push of complex value when
1443 no suitable push instruction exist.
1445 * i386.md (QImode move/add/shift patterns): Use ANY_QI_REG_P
1446 instead of QI_REG_P.
1448 Tue Mar 13 22:22:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1450 * alias.c (handled_component_p, can_address_p): New functions.
1451 (get_alias_set): Use them.
1453 2001-03-13 Jim Wilson <wilson@redhat.com>
1455 * config/ia64/ia64.c (find_gr_spill): Subtract frame_pointer_needed
1456 from 80 in try_locals code.
1457 (ia64_expand_prologue): Add comment pointing to find_gr_spill change.
1459 2001-03-13 Zack Weinberg <zackw@stanford.edu>
1461 * aclocal.m4 (gcc_AC_COMPILE_CHECK_SIZEOF, gcc_AC_C_CHAR_BIT,
1462 gcc_AC_C_LONG_LONG): New.
1463 * configure.in: Use them. Probe the size of short, int, long,
1464 and long long/__int64 if we have them. Move all the AC_C_*
1465 checks together, except gcc_AC_C_CHAR_BIT which has to go
1466 after AC_CHECK_HEADERS(limits.h).
1467 Take hwint.h out of host_xm_file and build_xm_file.
1469 * hwint.h: Unconditionally define HOST_BITS_PER_CHAR,
1470 HOST_BITS_PER_SHORT, HOST_BITS_PER_INT, HOST_BITS_PER_LONG,
1471 and HOST_BITS_PER_LONGLONG in terms of SIZEOF_* and CHAR_BIT.
1472 Move the HOST_WIDEST_INT setup logic here from system.h.
1473 Provide HOST_WIDEST_INT even if HOST_BITS_PER_LONGLONG is not
1475 * system.h: Include hwint.h after limits.h. HOST_WIDEST_INT
1476 is now handled by hwint.h.
1478 * config/alpha/xm-alpha-interix.h, config/alpha/xm-vms.h,
1479 config/c4x/xm-c4x.h, config/i370/xm-oe.h,
1480 config/ia64/xm-ia64.h: Don't define any of:
1481 HOST_BITS_PER_LONG, HOST_BITS_PER_CHAR, HOST_BITS_PER_SHORT,
1482 HOST_BITS_PER_LONGLONG.
1484 * config/alpha/xm-alpha.h, config/dsp16xx/xm-dsp16xx.h,
1485 config/h8300/xm-h8300.h, config/mips/iris6.h,
1486 config/mn10200/xm-mn10200.h, config/pa/xm-pa64hpux.h,
1487 config/sparc/xm-sp64.h: Delete.
1488 * config.gcc: Remove references to deleted files.
1490 * config/arm/xm-arm.h, config/mips/xm-mips.h: Don't define
1491 HOST_FLOAT_FORMAT to IEEE_FLOAT_FORMAT.
1492 * config/i370/xm-linux.h: Clarify floating-point situation in
1495 2001-03-13 Neil Booth <neil@daikokuya.demon.co.uk>
1497 * cppfiles.c (NO_INCLUDE_PATH): New macro.
1498 (find_include_file): Decide here which part of the include
1499 chain to start the search. Complain about an empty include
1500 chain in all cases apart from an abolsute file name.
1501 (_cpp_execute_include): Don't choose the search chain here.
1502 Don't call handle_missing_include in the case of an empty
1504 (_cpp_compare_file_date): Don't choose the search chain here.
1505 * cpplib.c (do_include_next): Move the in-main-file diagnostic
1506 here from _cpp_execute_include. Behave like #include if
1507 we're in the main file.
1509 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1511 * system.h (malloc, realloc, calloc, strdup): Only poison these
1512 tokens when IN_GCC is defined.
1514 Tue Mar 13 14:38:44 CET 2001 Jan Hubicka <jh@suse.cz>
1516 * i386.md (abs?f expander): Support SSE case.
1517 (abd?f_if): Add new "USE"; add splitters.
1519 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1521 * cpp.texi (poison): Explain the macro expansion exception.
1523 2001-03-13 Jakub Jelinek <jakub@redhat.com>
1525 * expr.c (store_expr): Add dont_store_target. If temp is already in
1526 target before copying to reg, don't store it into target again.
1528 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
1530 * cppinternals.texi: Update for file handling.
1532 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
1534 * emit-rtl.c (remove_unnecessary_notes): Reverse Richard Kenner's
1535 2001-02-24 which broke building the Java library.
1536 * function.c (identify_blocks): Likewise.
1537 (all_blocks): Likewise.
1538 * integrate.c (integrate_decl_tree): Likewise.
1539 * print-tree.c (print_node): Likewise.
1540 * tree.h (BLOCK_NUMBER): Likewise.
1541 (struct tree_block): Likewise.
1543 2001-03-12 David Edelsohn <edelsohn@gnu.org>
1545 * rs6000/aix51.h (CPP_SPEC, CPLUSPLUS_CPP_SPEC): Fix typo in
1546 __WCHAR_TYPE__ definition.
1547 (WCHAR_TYPE_SIZE): #undef before #define.
1549 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
1551 * cppfiles.c: Update comments.
1552 (destroy_include_file_node): Rename destroy_node.
1553 (find_or_create_entry): New function.
1554 (open_file, _cpp_fake_include): Use it.
1555 (handle_missing_header): New function, broken out of
1556 _cpp_execute include. Don't segfault if there is no
1557 system or quoted path.
1558 (_cpp_execute_include): Use handle_missing_header.
1560 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
1562 * jump.c (reversed_comparison_code_parts): Reverse Jan Hubricka's
1563 2001-02-28 patch because it breaks arm-linux and mips-sgi-irix6.5.
1565 Mon Mar 12 14:05:32 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1567 * flow.c (insn_dead_p): Don't consider two memrefs equivalent
1568 unless anti_dependence says they are.
1569 * alias.c (objects_must_conflict): If neither has a type specified,
1572 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
1573 David Billinghurst <David.Billinghurst@riotinto.com>
1575 * config/mips/iris5.h: Change WCHAR_TYPE to int.
1577 Mon Mar 12 16:32:21 CET 2001 Jan Hubicka <jh@suse.cz>
1579 * i386.md (trunctfdf2_2): Rename missnamed pattern.
1580 (*_one_bit): Remove type on the match_operand in attributes.
1582 Mon Mar 12 16:27:56 CET 2001 Jan Hubicka <jh@suse.cz>
1584 * i386.c: Commit forgotten hunk in previous patch.
1585 (regclass_map): Add extended registers.
1586 (dbx_register_map): Add missing frame register.
1588 Mon Mar 12 15:41:08 CET 2001 Jan Hubicka <jh@suse.cz>
1590 * i386.md (all XFmode patterns except swapxf): Disable for 64bit.
1592 * i386.md (x86_sahf_1): Disable for 64bit.
1593 (popsi*, pophi*): Likewise.
1594 (pushqi, pushhi): Likewise.
1595 (movdi, pushdi): Likewise.
1596 (zero extend DImode splitter): Likewise.
1597 (adddi, minusdi splitter): Likewise.
1598 (umulsidi): Likewise.
1600 (mulsidi): Disable for 64bit
1601 (lshift:DI/ashift:DI): Disable for 64bit.
1602 (loop patterns): Likewise.
1603 (call_pop, call_value_pop expanders and patterns): Likewise.
1604 (prologue_get_pc): Likewise.
1606 (fcmovDI pattern and splitter): Likewise.
1607 (movdfcc_1_rex64): New.
1609 Mon Mar 12 15:16:36 CET 2001 Jan Hubicka <jh@suse.cz>
1611 * i386.h (VALID_FP_MODE_P): XFmode is invalid on x86_64.
1612 (MODES_TIEABLE_P): QImodes and DImodes are tiable on x86_64.
1613 (HARD_REGNO_CALLER_SAVE_MODE): Save QImodes as QImodes for x86_64.
1614 (STATIC_CHAIN_REGNUM): Set to r10 for x86_64.
1615 (PIC_OFFSET_TABLE_REGNUM): Set to INVALID_REGNUM for x86_64.
1616 (LIMIT_RELOAD_CLASS): Avoid limiting of QImodes on x86_64.
1617 (SECONDARY_OUTPUT_RELOAD_CLASS): No need to QImodes.
1618 (PUSH_ROUNDING): x86_64 rounds to 64bits.
1619 (CONSTANT_ADDRESS_P): Accept CONST_DOUBLE.
1620 (REGPARM_MAX): Set to 6 for x86_64.
1621 (SSE_REGPARM_MAX): Set to 16 for x86_64.
1622 * i386.c (hard_regno_mode_ok): QImodes can be in all general purpose
1625 * (patterns that does use upper halves): Update constraints
1626 'q' to 'Q' and 'r' to 'R'.
1627 (cmpqi_ext_1): Disable for 64bit.
1628 (cmpqi_ext_3_insn): Likewise.
1629 (movqi_extzv_1): Likewsie.
1630 (addqi_ext_1): Liekwsie
1631 (testqi_ext_1): Liekwsie
1632 (andqi_ext_1): Liekwsie
1633 (xorqi_ext_1): Liekwsie
1634 (cmpqi_ext_1_rex64): New.
1635 (cmpqi_ext_3_insn_rex64): Likewise.
1636 (movqi_extzv_1_rex64): Likewsie.
1637 (addqi_ext_1_rex64): Liekwsie
1638 (testqi_ext_1_rex64): Liekwsie
1639 (andqi_ext_1_rex64): Liekwsie
1640 (xorqi_ext_1_rex64): Liekwsie
1642 2001-03-11 Zack Weinberg <zackw@stanford.edu>
1644 * configure.in: Move check for unsigned enumerated bitfields
1645 to macro in aclocal.m4. Disable it for now.
1646 * configure, config.in: Regenerate.
1647 * system.h: Don't do anything with ONLY_INT_FIELDS. Use the
1648 unsigned-int form of ENUM_BITFIELD() unless being compiled by GCC.
1649 * varasm.c (struct rtx_const): Use ENUM_BITFIELD(). Move enum
1650 kind above its first use.
1652 * config/xm-interix.h, config/alpha/xm-alpha.h,
1653 config/i370/xm-linux.h, config/i386/xm-beos.h,
1654 config/i386/xm-mingw32.h, config/mips/xm-mips.h,
1655 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
1656 config/rs6000/xm-beos.h, config/rs6000/xm-sysv4.h,
1657 Don't define ONLY_INT_FIELDS under any circumstances.
1659 * config/pa/xm-pa.h: Don't define __BSD_NET2__.
1661 * config/pa/xm-pahpux.h, config/pa/xm-papro.h,
1662 config/sparc/xm-sysv4.h: Delete - now identical with some
1664 * config.gcc (hppa targets): Replace xm-pahpux.h and
1665 xm-papro.h with implicit xm-pa.h.
1666 (sparc targets): Replace xm-sysv4.h with implicit or explicit
1669 2001-03-12 Aldy Hernandez <aldyh@redhat.com>
1671 * reload1.c (reload_cse_simplify): Call reload_cse_simplify_set
1672 before reload_cse_noop_set_p.
1674 2001-03-11 Zack Weinberg <zackw@stanford.edu>
1676 * config.gcc: Where xm-host.h used to include another
1677 xm-host.h, list the nested header directly in xm_file. Remove
1678 references to deleted files. Can now use sparc/xm-sp64.h for
1681 * config/xm-linux.h, config/arm/xm-linux.h,
1682 config/i386/xm-dos.h, config/i386/xm-gnu.h,
1683 config/i386/xm-linux.h, config/i386/xm-openbsd.h,
1684 config/i860/xm-fx2800.h, config/m68k/xm-atari.h,
1685 config/m68k/xm-linux.h, config/m68k/xm-sun3.h,
1686 config/sparc/xm-linux.h, config/sparc/xm-sysv4-64.h:
1689 * config/alpha/xm-alpha-interix.h: Don't include alpha/xm-alpha.h.
1690 * config/mips/xm-iris5.h: Don't include mips/xm-mips.h. Don't
1691 bother to wrap #undef in #ifdef.
1692 * config/pa/xm-linux.h, config/rs6000/xm-sysv4.h:
1693 Don't include xm-linux.h.
1694 * config/sparc/xm-sp64.h: Don't include sparc/xm-sparc.h.
1696 * configure.in: Wrap regexps using [] in changequote block.
1697 Use expr : not echo | grep. Simplify regexps.
1698 * configure: Regenerate.
1700 56 xm-files remain, 22 xm-arch.
1702 2001-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1704 * mips-tfile.c: Cast arg to PTR when specifier is HOST_PTR_PRINTF.
1705 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
1706 (local_index, local_rindex): Delete, use strchr/strrchr instead.
1707 (copy_object): Fix format specifier vs argument mismatch.
1709 * mips-tdump.c: Make local functions static.
1710 (rindex): Don't #undef.
1711 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
1712 (fatal, fancy_abort): Delete.
1713 (read_seek): Avoid signed/unsigned compare.
1715 Sun Mar 11 17:01:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1717 * combine.c (try_combine): Fix error in change to try original
1719 (gen_rtx_combine): Do same as gen_rtx for now.
1721 2001-03-11 Zack Weinberg <zackw@stanford.edu>
1723 * configure.in: AC_SUBST xm_defines.
1724 * configure: Regenerate.
1725 * Makefile.in: Set DEFINES=$(xm_defines) when building
1728 2001-03-11 Neil Booth <neil@daikokuya.demon.co.uk>
1730 * cppfiles.c (INCLUDE_LEN_FUDGE, ENOMEM): Delete.
1731 (cpp_included, find_include_file): Update.
1732 (_cpp_compare_file_date): Make else unconditional.
1734 2001-03-10 kaz Kojima <kkojima@rr.iij4u.or.jp>
1736 * config/sh/sh.h (LEGITIMATE_PIC_OPERAND_P): Defined.
1738 2001-03-10 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
1740 * config/sh/sh.md (umulhisi3_i, mulhisi3_i): Fix mnemonics.
1741 * config/sh/lib1funcs.asm (mulsi3): Convert mulu to mulu.w.
1743 Sat Mar 10 22:42:05 2001 Alexandre Oliva <aoliva@redhat.com>
1745 * tree.c (build_common_tree_nodes_2): Don't copy va_list_type_node
1746 if it's a record type.
1748 Sat Mar 10 17:52:54 2001 Christopher Faylor <cgf@cygnus.com>
1750 * config/i386/cygwin.h: Make ../w32api a system directory. Reorganize
1751 mingw includes slightly.
1753 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1755 * system.h (malloc, realloc, calloc, strdup, bzero, bcmp, rindex):
1756 #undef token before poisoning it.
1758 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1760 * alpha.c (check_float_value): Use memcpy, not bcopy.
1762 * m32r.c (m32r_sched_reorder): Likewise.
1764 * vax.c (check_float_value): Likewise.
1766 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
1768 * toplev.c (file_name_nondirectory): Remove.
1769 * toplev.h: Similarly.
1770 * dwarf2out.c (compute_section_prefix): Use lbasename instead
1771 of file_name_nondirectory.
1773 Sat Mar 10 10:36:45 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1775 * mips-tdump.c (read_seek): Call xmalloc, not malloc.
1776 * mips-tfile.c: Don't #undef rindex; not used.
1778 Sat Mar 10 14:34:59 CET 2001 Jan Hubicka <jh@suse.cz>
1780 * i386.h (DBX_REGISTER_NUMBER): Return proper values for 64bits.
1781 (dbx64_register_map): Declare.
1782 (RETURN_ADDR_RTX): Fix for 64bit.
1783 (DWARF_FRAME_RETURN_COLUMN): Set to 16 for 64bit.
1784 (INCOMING_FRAME_SP_OFFSET): Set to 8.
1785 * i386.c (dbx64_register_map): New global array.
1786 * beos-elf.h, freebsd.h, i386-interix.h, i386elf.h,
1787 linux.h (DBX_REGISTER_REGNUMBER): Use dbx64_register_map
1790 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
1792 * cppfiles.c (search_from): Use lbasename.
1793 * mkdeps.c (deps_add_default_target): Use lbasename.
1795 2001-03-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1797 * fixinc/server.c (load_data, run_shell): Use xmalloc, xrealloc &
1798 xcalloc in lieu of malloc, realloc & calloc.
1800 * gencheck.c (xmalloc): Use really_call_malloc, not malloc.
1802 * gengenrtl.c (xmalloc): Likewise.
1804 * gensupport.c (xcalloc, xrealloc, xmalloc): Use the
1805 really_call_* memory allocation routines.
1807 * stmt.c (check_for_full_enumeration_handling): Use
1808 really_call_calloc, not calloc.
1810 * system.h (really_call_malloc, really_call_calloc,
1811 really_call_realloc): Define.
1812 (malloc, realloc, calloc, strdup, bzero, bcmp, rindex): Poison.
1814 Fri Mar 9 18:39:19 2001 Jeffrey A Law (law@cygnus.com)
1816 * pa.md (builtin_longjmp): Rework slightly to work for PA64 too.
1818 2001-03-09 Nicola Pero <n.pero@mi.flashnet.it>
1820 * configure: Rebuilt.
1821 * configure.in: Only use `lang_requires' for languages athat are
1824 2001-03-09 Joseph S. Myers <jsm28@cam.ac.uk>
1826 * invoke.texi: Fix typo.
1827 * gcc.1: Regenerate.
1829 2001-03-09 Zack Weinberg <zackw@stanford.edu>
1831 * configure.in: Prune nonexistent files from build_xm_file,
1832 xm_file, and host_xm_file lists. Warn unless they're
1834 Don't generate *config.h here.
1835 AC_SUBST all variables needed to generate *config.h.
1836 * configure: Regenerate.
1837 * mkconfig.sh: New helper script, from code removed from
1839 * Makefile.in: Zap all MALLOC variables - no longer used
1840 anywhere, and malloc.c doesn't exist.
1841 Substitute in variables needed to generate *config.h.
1842 Stop lying about the dependencies contained in CONFIG_H and
1844 (HCONFIG_H, TCONFIG_H, TM_P_H): New variables.
1845 (config.h, hconfig.h, tconfig.h, tm_p.h, cs-config.h,
1846 cs-hconfig.h, cs-tconfig.h, cs-tm_p.h): New rules.
1847 (all .o): Add dependencies on $(HCONFIG_H), $(TCONFIG_H),
1848 $(TM_P_H), etc. as appropriate.
1850 * config.gcc: Zap references to deleted files.
1851 * ggc-none.c: Don't include rtl.h or tm_p.h.
1853 * config/i386/xm-beos.h, config/i386/xm-dgux.h,
1854 config/i386/xm-djgpp.h, config/i386/xm-dos.h,
1855 config/i386/xm-gnu.h, config/i386/xm-i386-interix.h,
1856 config/i386/xm-linux.h, config/i386/xm-linux.h,
1857 config/i386/xm-next.h, config/i386/xm-openbsd.h,
1858 config/i386/xm-sun.h, config/i386/xm-sysv3.h:
1859 Don't include i386/xm-i386.h.
1861 * config/elxsi/xm-elxsi.h, config/i386/xm-bsd386.h,
1862 config/i386/xm-i386.h, config/i860/xm-i860.h,
1863 config/i960/xm-i960.h, config/mcore/xm-mcore.h,
1864 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
1865 config/pj/xm-pj.h, config/sh/xm-sh.h, config/v850/xm-v850.h:
1866 Delete (empty except comments, #includes of other deleted
1867 files, and macros used nowhere).
1869 Fri Mar 9 20:05:27 CET 2001 Jan Hubicka <jh@suse.cz>
1871 * i386.h (MAX_WCHAR_TYPE_SIZE): New constant to keep tradcpp
1872 independent on TARGET_FLAGS.
1874 Fri Mar 9 19:52:52 CET 2001 Jan Hubicka <jh@suse.cz>
1876 * i386.h (FIRST_PSEUDO_REGISTER): Set to 53.
1878 (FIXED_REGISTERS, CALL_USED_REGISTERS, REG_ALLOC_ONES): Add
1880 (CONDITIONAL_REGISTER_USAGE): Set proper values according to
1882 (FIRST_REX_INT_REG, LAST_REX_INT_REG, FIRST_REX_SSE_REG,
1883 LAST_REX_SSE_REG): define.
1884 (enum reg_class): Add 'LEGACY_REGS'
1885 (REG_CLASS_CONTENTS): Likewise; add extended registers.
1886 (SSE_REGNO_P): Recognize extended registers.
1887 (ANY_QI_REG_P, REX_INT_REGNO_P, REX_INT_REG_P): New.
1888 (REG_CLASS_FROM_LETTER): Add 'R' and 'Q'.
1889 (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P,
1890 REG_OK_FOR_BASE_NONSTRICT_P): Recognize REX registers.
1891 (REG_OK_FOR_STRREG_NONSTRICT_P, REG_OK_FOR_STRREG_STRICT_P,
1892 REG_OK_FOR_STRREG_P): Remove.
1893 (HI_REGISTER_NAMES): Add extended registers.
1894 (ADDITIONAL_REGISTER_NAMES): Likewise.
1895 (QI_REGISTER_NAMES): Add 8bit extended registers.
1896 (DEBUG_REG): Support extended registers.
1897 * i386.c (regclass_map): Add extended registers.
1898 (dbx_register-map): Likewise.
1899 (svr4_dbx_register_map): Likewise.
1900 (print_reg): Support extended registers.
1901 (print_operand): Support 64bit operands.
1903 Fri Mar 9 19:37:46 CET 2001 Jan Hubicka <jh@suse.cz>
1905 * i386.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Set to 128bit for x86_64
1906 (BOOL_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
1907 FLOAT_TYPE_SIZE, LONG_TYPE_SIZE, MAX_LONG_TYPE_SIZE,
1908 DOUBLE_TYPE_SIZE, LONG_LONG_TYPE_SIZE): New constants.
1909 (BITS_PER_WORD, UNITS_PER_WORD, POINTER_SIZE, PARM_BOUNDARY,
1910 STACK_BOUNDARY): Set properly for 64bits.
1911 (MAX_BITS_PER_WORD, MIN_UNITS_PER_WORD): New constants.
1912 (EMPTY_FIELD_BOUNDARY): Define using BITS_PER_WORD.
1913 (BIGGEST_FIELD_ALIGNMENT): Set to 128 for 64bits.
1914 (MOVE_MAX): Set to 16.
1915 (MOVE_MAX_PIECES): 8 for 64bit.
1916 (Pmode): Set to SImode.
1918 Fri Mar 9 09:00:36 2001 Mike Stump <mrs@wrs.com>
1920 * cselib.c (hash_rtx): Ensure that hash isn't zero upon return.
1922 Fri Mar 9 17:38:08 CET 2001 Jan Hubicka <jh@suse.cz>
1924 * i386.h (mask_64bit): New constant.
1925 (target_64bit): New macro.
1926 (target_options): Add '64'/'32'
1927 (target_default): Define.
1928 * cygwin.h freebsd-aout.h i386-interix.h i386.h i386elf.h isc.h
1929 isccoff.h netbsd.h next.h openbsd.h p sco.h sco5.h scodbx.h sequent.h
1930 unix.h win32.h (TARGET_DEFAULT): Rename to TARGET_SUBTARGET_DEFAULT.
1932 Thu Mar 8 23:36:56 2001 Jeffrey A Law (law@cygnus.com)
1934 * config/pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Disable.
1936 Thu Mar 8 23:29:37 2001 John Wehle (john@feith.com)
1938 * rtlanal.c (rtx_varies_p): Check operand 0 of a
1939 LO_SUM unless for_alias is set.
1941 2001-03-08 Stan Shebs <shebs@apple.com>
1943 * objc/objc-act.c: Fix old typos in comments, add comments for
1945 (hash_init): Fix file name in error message.
1946 (hash_enter): Ditto.
1947 (hash_add_attr): Ditto.
1948 (continue_class): Ditto.
1950 2001-03-08 Bruce Korb <bkorb@gnu.org>
1952 gcc.c(main): ensure SIGCHLD handling is set to SIG_DFL so that
1953 wait4() can receive the signal.
1955 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1957 * fixinc/inclhack.def (AAB_dgux_int_varargs): Don't use HTML
1959 * fixinc/fixincl.x: Regenerate.
1961 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1963 * fixinc/inclhack.def (AAA_standards): Undo <standards.h> breakage
1965 * fixinc/fixincl.x: Regenerate.
1967 2001-03-08 Richard Henderson <rth@redhat.com>
1969 * configure.in (HAVE_AS_LEB128): New assembler check.
1970 * configure, config.in: Rebuilt.
1972 Thu Mar 8 19:54:04 CET 2001 Jan Hubicka <jh@suse.cz>
1974 * reg-stack.c (move_for_stack_reg): Avoid non-poping fst for
1977 2001-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1979 * config/ns32k/xm-pc532-min.h, config/we32k/xm-we32k.h: Delete
1980 references to the MAXPATHLEN macro.
1982 * config/alpha/xm-alpha.h, config/arm/xm-arm.h,
1983 config/i386/xm-cygwin.h, config/xm-linux.h: Delete references to
1986 * config/i386/xm-gnu.h, config/xm-gnu.h,
1987 config/alpha/xm-openbsd.h, config/i386/xm-openbsd.h,
1988 config/m68k/xm-openbsd.h, config/mips/xm-openbsd.h,
1989 config/sparc/xm-openbsd.h, config/xm-openbsd.h: Delete empty
1990 and/or unused files.
1992 * config.gcc: Define POSIX in xm_defines as appropriate in lieu of
1993 doing so in various xm-*.h files.
1995 Thu Mar 8 06:32:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1997 * config/i386/i386.md (clrstrsi): Call ix86_set_move_mem_attrs.
1999 2001-03-08 Alexandre Oliva <aoliva@redhat.com>
2001 * configure.in (enable_shared): Support per-package shared-library
2003 * configure: Rebuilt.
2005 2001-03-07 David Edelsohn <edelsohn@gnu.org>
2007 * rs6000.md (cr logic): Add original POWER mnemonic alternative
2008 for crnot. Set operands[5] in splitter.
2010 2001-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2012 * config/i370/xm-mvs.h, config/i370/xm-oe.h,
2013 config/i386/xm-beos.h, config/i386/xm-mingw32.h,
2014 config/m88k/xm-m88k.h, config/mips/xm-iris6.h,
2015 config/mips/xm-openbsd.h, config/pa/xm-pa64hpux.h,
2016 config/pa/xm-pahpux.h, config/rs6000/xm-beos.h,
2017 config/rs6000/xm-darwin.h, config/rs6000/xm-mach.h,
2018 config/rs6000/xm-rs6000.h, config/xm-interix.h: Delete references
2021 * config/vax/xm-vaxv.h, config/a29k/xm-unix.h,
2022 config/i370/xm-i370.h, config/i386/xm-dgux.h,
2023 config/i386/xm-sun.h, config/i386/xm-sysv3.h,
2024 config/m68k/xm-tower.h, config/m68k/xm-aux.h,
2025 config/m68k/xm-hp320.h, config/m68k/xm-amix.h,
2026 config/m68k/xm-altos3068.h, config/m68k/xm-mot3300.h,
2027 config/m68k/xm-m68kv.h, config/m88k/xm-openbsd.h,
2028 config/mips/xm-nws3250v4.h, config/mips/xm-sysv.h,
2029 config/mips/xm-iris3.h, config/mips/xm-iris4.h, config/xm-svr3.h,
2030 config/xm-svr4.h, config/sparc/xm-pbd.h, config/clipper/xm-clix.h:
2031 Delete unused and/or empty files.
2033 * config.gcc: Define USG in xm_defines as appropriate. Define
2034 POSIX in lieu of xm-svr4.h. Delete all references to the SVR3
2035 macro. Remove deleted xm-* files from $xm_files variable.
2037 2001-03-07 Tom Tromey <tromey@redhat.com>
2039 * configure: Rebuilt.
2040 * configure.in: Allow config-lang.in to set `lang_requires' to list
2041 of other required languages.
2043 2001-03-07 Andrew MacLeod <amacleod@redhat.com>
2045 * config/a29k/a29k.c (print_operand): Free a29k_last_prologue_insn
2047 (output_prologue): Use xmalloc not oballoc.
2048 (output_epilog): Free a29k_first_epilogue_insn when finished.
2049 * confif/a29k/a29k.h (PREDICATE_CODES): Remove shift_constant_operand.
2051 2001-03-07 Brad Lucier <lucier@math.purdue.edu>
2053 * builtins.c (expand_builtin_mathfn): Check
2054 flag_unsafe_math_optimizations, not flag_fast_math.
2055 (expand_builtin): Likewise
2056 * combine.c (combine_simplify_rtx): Likewise.
2057 (simplify_if_then_else): Likewise.
2058 * cse.c (fold_rtx): Likewise.
2059 * flags.h: Remove flag_fast_math. Add
2060 flag_unsafe_math_optimizations and flag_trapping_math.
2061 * fold-const.c (negate_expr): Check
2062 flag_unsafe_math_optimizations, not flag_fast_math.
2063 (invert_truthvalue): Likewise.
2064 (fold): Likewise. Before associating operands, check that
2065 code == MULT_EXPR, not code != MULT_EXPR.
2066 * ifcvt.c (noce_try_minmax): Check
2067 flag_unsafe_math_optimizations, not flag_fast_math.
2068 (noce_operand_ok): Check flag_trapping_math, not flag_fast_math.
2069 * invoke.texi: Document -funsafe-math-optimizations and
2070 -fno-trapping-math. Change documentation for -ffast-math.
2071 * jump.c (reversed_comparison_code_parts): Likewise.
2072 (rtx_equal_for_thread_p): Likewise.
2073 * optabs.c (emit_conditional_move): Likewise.
2074 * simplify-rtx.c (simplify_binary_operation): Likewise.
2075 (simplify_relational_operation): Likewise.
2076 (simplify_ternary_operation): Likewise.
2077 * toplev.c: Remove flag_fast_math. Add flag_trapping_math and
2078 flag_unsafe_math_optimizations. Remove fast-math entry from f_options.
2079 Add trapping-math and unsafe-math-optimizations entries to f_options.
2080 (set_fast_math_flags): New, sets flags for -ffast-math.
2081 (set_no_fast_math_flags): New, sets flags for -fno-fast-math.
2082 (decode_f_option): Add code to handle -ffast-math and -fno-fast-math.
2083 * toplev.h: Declare set_fast_math_flags and set_no_fast_math_flags.
2085 * config/alpha/alpha.c (alpha_emit_conditional_branch): Likewise.
2086 (alpha_emit_conditional_move): Initialize local_fast_math to
2087 flag_unsafe_math_optimizations, not flat_fast_math.
2088 * config/c4x/c4x.c (c4x_override_options): Call set_fast_math_flags
2089 instead of setting flag_fast_math to 1.
2090 * config/convex/convex.md: Check flag_unsafe_math_optimizations,
2092 * config/i386/i386.c (override_options): Likewise
2093 * config/i386/i386.md: Likewise.
2094 * config/m68k/m68k.md: Likewise.
2095 * config/mips/mips.md: Likewise.
2096 * config/rs6000/rs6000.c (validate_condition_mode): Likewise.
2097 (rs6000_generate_compare): Likewise.
2099 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
2101 * Makefile.in: Set RANLIB to @RANLIB@.
2104 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
2106 * fixinc/inclhack.def (djgpp_wchar_h): New test.
2107 * fixinc/fixincl.x: Regenerated.
2109 2001-03-07 Richard Henderson <rth@redhat.com>
2111 * config/alpha/alpha.md (call_osf_1_noreturn): New pattern.
2113 2001-03-07 Richard Henderson <rth@redhat.com>
2115 * emit-rtl.c (remove_unnecessary_notes): Verify proper nesting
2116 of block notes and exception handling notes.
2118 * lists.c (init_EXPR_INSN_LIST_cache): Don't check initialized.
2119 * toplev.c (rest_of_compilation): Call init_EXPR_INSN_LIST_cache ...
2120 (compile_file): ... here.
2122 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2124 * fixinc/Makefile.in (FIXINC_DEFS): Add -DHAVE_CONFIG_H.
2126 * fixinc/gnu-regex.c: Don't include auto-host.h since we get
2127 config.h now. Include libiberty.h to handle alloca.
2129 2001-03-06 Zack Weinberg <zackw@stanford.edu>
2131 * c-parse.in (yylexname): New function, split out of _yylex.
2132 (objc_rid_sans_at): New table.
2133 (init_reswords): Initialize it.
2134 (_yylex): Give labels clearer names. Handle CPP_ATSIGN by
2135 retrieving the next token and checking it for significance as
2136 an ObjC keyword or string constant.
2138 * cpplex.c (_cpp_lex_token): Just return CPP_ATSIGN for '@'.
2139 * cpplib.h (TTYPE_TABLE): Add CPP_ATSIGN, drop CPP_OSTRING.
2141 * c-lex.c, c-parse.in, cppmacro.c, cpplex.c: Remove references
2144 2001-03-06 Stephen L Moshier <moshier@mediaone.net>
2146 * config/m68k/m68k.c (const_uint32_operand): Accept any
2147 const_int on a 32-bit host.
2149 2001-03-06 Nicola Pero <n.pero@mi.flashnet.it>
2151 * objc/objc-act.c (init_objc): Set save_lang_status,
2152 restore_lang_status, and mark_lang_status.
2154 2001-03-06 Krister Walfridsson <cato@df.lth.se>
2156 * dwarf2asm.c (dw2_asm_output_delta): Fix smallest_mode_for_size call.
2158 2001-03-06 Neil Booth <neil@daikokuya.demon.co.uk>
2160 * cppinternals.texi: Update.
2162 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2164 * config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
2165 config/alpha/xm-alpha.h, config/arc/xm-arc.h, config/arm/xm-arm.h,
2166 config/c4x/xm-c4x.h, config/clipper/xm-clix.h,
2167 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
2168 config/dsp16xx/xm-dsp16xx.h, config/elxsi/xm-elxsi.h,
2169 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
2170 config/i370/xm-linux.h, config/i370/xm-mvs.h, config/i370/xm-oe.h,
2171 config/i386/xm-i386.h, config/i860/xm-i860.h,
2172 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
2173 config/m32r/xm-m32r.h, config/m68k/xm-m68k.h,
2174 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
2175 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
2176 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
2177 config/pa/xm-linux.h, config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
2178 config/pa/xm-pahpux.h, config/pa/xm-papro.h, config/pj/xm-pj.h,
2179 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
2180 config/rs6000/xm-lynx.h, config/rs6000/xm-rs6000.h,
2181 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
2182 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
2183 config/v850/xm-v850.h, config/vax/xm-vax.h, config/vax/xm-vms.h,
2184 config/we32k/xm-we32k.h: Delete HOST_BITS_PER_* definitions which
2185 match the defaults provided in hwint.h.
2187 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
2188 config/sparc/xm-lynx.h, config/xm-std32.h: Delete files.
2190 * config.gcc (xm_file): Don't set to files which are deleted.
2192 * hwint.h: Provide default values for HOST_BITS_PER_*. No longer
2193 guard this file against these macros being undefined.
2195 2001-03-06 Zack Weinberg <zackw@stanford.edu>
2197 * objc/objc-act.c (objc_add_static_instance): Set DECL_INITIAL
2198 and DECL_DEFER_OUTPUT on the decl we create, before calling
2199 rest_of_decl_compilation.
2201 2001-03-06 Zack Weinberg <zackw@stanford.edu>
2203 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE
2205 * configure, config.in: Regenerate.
2206 * config.gcc: Remove references to deleted files.
2208 * genattr.c, genattrtab.c, genextract.c, genoutput.c,
2209 genrecog.c, rtl.c: Do not use alloca anywhere.
2211 * Makefile.in, build-make, system.h, config/x-interix,
2212 config/x-svr4, config/xm-interix.h, config/xm-openbsd.h,
2213 config/alpha/xm-alpha.h, config/alpha/xm-vms.h,
2214 config/arc/xm-arc.h, config/arm/xm-arm.h,
2215 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
2216 config/h8300/xm-h8300.h, config/i370/x-oe,
2217 config/i370/xm-linux.h, config/i386/x-aix, config/i386/x-beos,
2218 config/i386/x-ncr3000, config/i386/x-sco5,
2219 config/i386/xm-dgux.h, config/i860/x-sysv4,
2220 config/i960/xm-i960.h, config/m32r/xm-m32r.h,
2221 config/m68k/x-crds, config/m68k/x-dpx2, config/m68k/x-hp320,
2222 config/m68k/x-hp320g, config/m69k/x-mot3300,
2223 config/m68k/x-mot3300-gas, config/m68k/xm-amix.h,
2224 config/m68k/xm-hp320.h, config/m68k/xm-m68kv.h,
2225 config/m68k/xm-mot3300.h, config/m88k/x-dolph,
2226 config/m88k/x-sysv4, config/m88k/x-tekXD88,
2227 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
2228 config/mips/x-iris, config/mips/x-iris3,
2229 config/mips/x-sni-svr4, config/mips/x-sysv,
2230 config/mips/xm-iris6.h, config/mips/xm-mips.h,
2231 config/mips/xm-nws3250v4.h, config/pa/x-hpux,
2232 config/pa/x-pa-mpeix, config/pa/xm-pa.h,
2233 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
2234 config/pa/xm-papro.h, config/romp/xm-romp.h,
2235 config/rs6000/x-aix31, config/rs6000/x-aix41,
2236 config/rs6000/x-beos, config/rs6000/x-lynx,
2237 config/rs6000/x-mach, config/rs6000/x-rs6000,
2238 config/rs6000/x-sysv4, config/rs6000/xm-rs6000.h,
2239 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
2240 config/sparc/x-sysv4, config/sparc/xm-linux.h,
2241 config/sparc/xm-pbd.h, config/sparc/xm-sparc.h,
2242 config/vax/xm-vms.h: Eradicate all references to alloca and
2245 * config/xm-alloca.h, config/clipper/x-clix,
2246 config/i386/xm-sysv4.h, config/i860/x-fx2800,
2247 config/i860/x-sysv3, config/m88k/x-sysv3,
2248 config/sparc/xm-sol2.h, config/we32k/x-we32k: Delete
2249 (contained only alloca related hacks).
2251 * config/i386/xm-beos.h, config/rs6000/xm-beos.h: Just define
2254 2001-03-05 Brad Lucier <lucier@math.purdue.edu>
2256 * invoke.texi: Document __FAST_MATH__.
2258 2001-03-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2260 * crtstuff.c: Restore include of auto-host.h.
2262 2001-03-05 Fergus Henderson <fjh@cs.mu.oz.au>
2264 Put main() in a separate file, so that the language
2265 front-end can use a different main().
2268 * toplev.c: (main): Rename as toplev_main.
2269 * toplev.h: Declare toplev_main.
2270 * Makefile.in (OBJS): add toplev.o.
2271 (BACKEND): remove toplev.o, add main.o.
2273 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
2275 * cppfiles.c (search_from): Special case the empty string.
2277 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
2279 * cppfiles.c (_cpp_execute_include): Don't make a null-terminated
2280 copy of the filename. Don't use CPP_PREV_BUFFER. Don't call
2281 strlen or strcpy; we already know the length.
2282 (_cpp_compare_file_date): Similarly.
2283 * cpphash.h (struct cpp_reader): Delete done_initialising.
2284 (CPP_PREV_BUFFER): Delete.
2285 * cppinit.c (cpp_start_read): Don't set done_initialising.
2286 * cpplex.c (parse_string): Guarantee null-termination.
2287 (_cpp_equiv_toklists): Remove.
2288 * cpplib.c (glue_header_name): Null-terminate.
2289 (do_line): Don't leak memory.
2290 * cpplib.h (BT_WEAK): Delete.
2291 * cppmain.c (cb_ident): Strings are now null-terminated.
2293 2001-03-04 Laurynas Biveinis <lauras@softhome.net>
2295 * gcc.c (convert_filename): Append executable suffix
2296 if NO_AUTO_EXE_SUFFIX is not defined.
2297 * gcc.texi: Document NO_AUTO_EXE_SUFFIX.
2298 * config/i386/djgpp.h: Define NO_AUTO_EXE_SUFFIX.
2300 2001-03-03 David O'Brien <obrien@FreeBSD.org>
2302 from 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
2303 * c-parse.gperf, c-gperf.h: Delete.
2304 (c-gperf.h was accidently re-added to the CVS repo in the rev
2305 1.16 commit by tromey)
2307 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
2309 * cpplex.c (_cpp_lex_token): Don't warn about directives in
2310 macro arguments when looking for the '('.
2311 * cppmacro.c (funlike_invocation_p): Set parsing_args to
2312 2 when really parsing arguments; 1 when looking for '('.
2313 Always restore the lexer position.
2315 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
2317 * longlong.h (umul_ppmm): Don't use a multiline string.
2319 2001-03-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
2321 * fixinc/fixlib.h (t_bool): Add identifier `t_bool' in typedef.
2322 * fixinc/server.c (read_pipe_timeout): Use enum t_bool instead of
2323 t_bool in declaration because pcc can't combine volatile with typedef
2326 Sat Mar 3 19:47:13 CET 2001 Jan Hubicka <jh@suse.cz>
2328 * i386.c (ix86_expand_fp_compare): Delay creating of scratch register
2329 until when it is really needed.
2330 (ix86_expand_compare): Update call of ix86_expand_fp_compare.
2331 * i386.h (PREDICATE_CODES): Add all codes for sse_comparison_operator
2332 * i386.md (float?i?f splitter): Don't force source operand to memory
2334 (sse_movdfcc): Fix constraint.
2335 (sse_movdfcc splitter): Handle properly the second alternative.
2337 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
2339 * cpplex.c (parse_string): Unconditionally pedwarn.
2341 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
2344 * cppexp.c (parse_number): Update.
2345 * cpplex.c (parse_string): Pedwarn if multiline string does not
2346 result from a system header's macro.
2347 * cpplib.h (sys_objmacro_p): Rename sys_macro_p.
2348 * cppmacro.c (sys_objmacro_p): Rename sys_macro_p. Return true
2349 for function-like macros too.
2350 * c-lex.c (lex_number): Update.
2352 2001-03-03 Richard Henderson <rth@redhat.com>
2354 * dwarf2out.c (output_call_frame_info): Fix augmentation length.
2356 Sat Mar 3 04:17:17 2001 J"orn Rennecke <amylaar@redhat.com>
2358 * combine.c (try_combine): If split with mode-changed scratch
2359 register didn't work, try the original mode.
2361 Sat Mar 3 03:46:47 2001 J"orn Rennecke <amylaar@redhat.com>
2363 * tm.texi: Change STRUCT_FORCE_BLK to MEMBER_TYPE_FORCES_BLK.
2364 * config/c4x/c4x.h: Likewise.
2365 * stor-layout.c (compute_record_mode): Likewise.
2366 (layout_type, case ARRAY_TYPE): Use MEMBER_TYPE_FORCES_BLK.
2368 2001-03-02 Zack Weinberg <zackw@stanford.edu>
2370 * configure.in: Kill tm.h. Include the files in the $tm_file
2371 list in all three of config.h, hconfig.h, tconfig.h, after the
2372 relevant set of xm_files. Put TARGET_CPU_DEFAULT in all
2373 three, include insn-codes.h in all three (#ifndef GENERATOR_FILE).
2374 * configure: Regenerate.
2375 * Makefile.in (clean): Don't delete tm.h.
2377 * system.h: If SUCCESS_EXIT_CODE and FATAL_EXIT_CODE are not
2378 defined, set them from EXIT_SUCCESS and EXIT_FAILURE. If
2379 those are not defined, set SEC and FEC to 0 and 1.
2380 * gcc.texi: Update to match.
2382 * crtstuff.c: Include tconfig.h, not auto-host.h and tm.h.
2383 * config/fp-bit.c, config/m68k/aux-crt2.asm,
2384 config/m68k/aux-crtn.asm, config/m68k/aux-mcount.c:
2385 Include tconfig.h, not tm.h.
2387 * config/xm-lynx.h, config/xm-std32.h,
2388 config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
2389 config/alpha/xm-alpha.h, config/arc/xm-arc.h,
2390 config/avr/xm-avr.h, config/c4x/xm-c4x.h,
2391 config/clipper/xm-clix.h, config/convex/xm-convex.h,
2392 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
2393 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
2394 config/h8300/xm-h8300.h, config/i370/xm-linux.h,
2395 config/i386/xm-i386.h, config/i860/xm-i860.h,
2396 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
2397 config/m32r/xm-m32r.h, config/m68hc11/xm-m68hc11.h,
2398 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
2399 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
2400 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
2401 config/pa/xm-linux.h, config/pa/xm-pa.h,
2402 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
2403 config/pa/xm-papro.h, config/pdp11/xm-pdp11.h,
2404 config/pj/xm-pj.h, config/romp/xm-romp.h,
2405 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
2406 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
2407 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
2408 config/v850/xm-v850.h, config/vax/xm-vax.h,
2409 config/we32k/xm-we32k.h:
2411 Don't define SUCCESS_EXIT_CODE or FATAL_EXIT_CODE.
2413 * config/i370/xm-i370.h, config/i370/xm-mvs.h,
2414 config/i370/xm-oe.h: Don't include tm.h. Don't define
2416 * config/vax/xm-vms.h: Don't include tm.h.
2418 * config/xm-lynx.h, config/avr/xm-avr.h,
2419 config/fr30/xm-fr30.h, config/pdp11/xm-pdp11.h,
2420 Delete; made empty by above changes.
2421 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
2422 config/rs6000/xm-lynx.h, config/sparc/xm-lynx.h:
2423 Don't include config/xm-lynx.h or tm.h.
2425 * config/xm-gnu.h: Don't include fcntl.h.
2426 * config/sparc/xm-lynx.h: Don't include sys/types.h and
2428 * config/clipper/xm-clix.h, config/vax/xm-vax.h: Don't define isinf.
2430 2001-03-02 Richard Henderson <rth@redhat.com>
2432 * tm.texi (File Framework): Document UNALIGNED_SHORT_ASM_OP,
2433 UNALIGNED_INT_ASM_OP, and UNALIGNED_DOUBLE_INT_ASM_OP.
2435 2001-03-02 Richard Henderson <rth@redhat.com>
2437 * Makefile.in (OBJS): Add dwarf2asm.o.
2438 * dwarf2asm.c, dwarf2asm.h: New files.
2439 * dwarf2out.c (*): Use them.
2440 (size_of_uleb128, size_of_sleb128): Remove.
2441 (output_uleb128, output_sleb128): Remove.
2442 (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Remove.
2443 (UNALIGNED_DOUBLE_INT_ASM_OP, ASM_BYTE_OP): Remove.
2444 (UNALIGNED_OFFSET_ASM_OP, UNALIGNED_WORD_ASM_OP): Remove.
2445 (FDE_LABEL, LINE_NUMBER_BEGIN_LABEL, LINE_NUMBER_END_LABEL): New.
2446 (ASM_OUTPUT_DWARF_DATA1, ASM_OUTPUT_DWARF_DELTA1): Remove.
2447 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_DELTA2): Remove.
2448 (ASM_OUTPUT_DWARF_DATA4, ASM_OUTPUT_DWARF_DELTA4): Remove.
2449 (ASM_OUTPUT_DWARF_DATA, ASM_OUTPUT_DWARF_DELTA): Remove.
2450 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_ADDR_DATA): Remove.
2451 (ASM_OUTPUT_DWARF_ADDR_DELTA, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
2452 (ASM_OUTPUT_DWARF_OFFSET4, ASM_OUTPUT_DWARF_OFFSET): Remove.
2453 (ASM_OUTPUT_DWARF_CONST_DOUBLE): Remove.
2454 (ASM_OUTPUT_DWARF_NSTRING, ASM_OUTPUT_DWARF_STRING): Remove.
2455 (dwarf2out_frame_debug): Remove unused variables.
2456 (output_loc_operands): Don't abort on 8 byte constants if
2457 host integers are wide enough.
2458 (output_symbolic_ref): Remove.
2459 (size_of_die): Don't assume 4 byte host integers.
2460 (output_line_info): Use ASM_GENERATE_INTERNAL_LABEL for begin
2462 (add_const_value_attribute) [CONST_INT]: Verify we're not doing
2463 something stupid with HOST_WIDE_INT to long truncation.
2464 [CONST_DOUBLE]: Likewise.
2466 * config/arm/conix-elf.h (UNALIGNED_WORD_ASM_OP): Remove.
2467 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
2468 * config/arm/unknown-elf.h: Likewise.
2469 * config/rs6000/aix.h (UNALIGNED_SHORT_ASM_OP): New.
2470 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): New.
2471 (ASM_OUTPUT_DWARF_ADDR_VAR, ASM_OUTPUT_DWARF_DELTA_VAR): Remove.
2472 (ASM_OUTPUT_DWARF_DELTA2, ASM_OUTPUT_DWARF_DELTA4): Remove.
2473 (ASM_OUTPUT_DWARF_DELTA, ASM_OUTPUT_DWARF_ADDR_DELTA): Remove.
2474 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_DATA4): Remove.
2475 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_OFFSET4): Remove.
2476 (ASM_OUTPUT_DWARF_OFFSET): Remove.
2477 * config/rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Remove.
2478 * config/sparc/sp64-elf.h (UNALIGNED_DOUBLE_INT_ASM_OP): New.
2479 (UNALIGNED_LONGLONG_ASM_OP, ASM_OUTPUT_DWARF_ADDR): Remove.
2480 (ASM_OUTPUT_DWARF_ADDR_CONST, ASM_OUTPUT_DWARF_REF): Remove.
2482 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
2484 * cselib.c (hash_rtx): Cast enums to unsigned int.
2486 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
2488 * print-rtl.c (print_rtx): Cast enums to int for comparison.
2489 * c-decl.c (grokdeclarator): Cast enums to int for comparison and
2491 * c-format.c (C_STD_VER): Cast to int for comparisons.
2492 (check_function_format): Cast various enums to int for &.
2493 (maybe_read_dollar_number): Likewise.
2494 (check_format_info): Likewise.
2495 (check_format_info_main): Likewise.
2496 * expr.c (emit_move_insn_1): Cast enums to unsigned int for comparison.
2497 (safe_from_p): Likewise.
2498 * varasm.c (const_hash): Cast enum to int for %.
2499 * emit-rtl.c (init_emit_once): Use int loop variable to work around
2500 pcc enum problems with < and ++ operators.
2501 * regclass.c (init_reg_sets_1): Cast enums for comparison.
2502 (choose_hard_reg_mode): Use unsigned int to iterate over CCmodes.
2503 (regclass_init): Change enum class to int to iterate over reg_classes.
2504 * genrecog.c (merge_trees): Cast enums for comparison.
2505 * rtl.h (GET_CODE): Cast to enum rtx_code.
2506 (PUT_CODE): Cast to ENUM_BITFIELD(rtx_code).
2507 (GET_MODE): Cast to enum machine_mode.
2508 (PUT_MODE): Cast to ENUM_BITFIELD(machine_mode).
2509 (GET_NOTE_INSN_NAME): Cast enum to int.
2510 * tree.h (TREE_CODE): Cast to enum tree_code.
2511 (TREE_SET_CODE): Cast VALUE to ENUM_BITFIELD(tree_code).
2512 * timevar.c (timevar_print): Change loop variable id from enum to
2514 * fixinc/fixincl.c (VLEVEL): Cast enums in comparison to unsigned int.
2515 * config/i386/i386.md: Use PUT_MODE for mode assignment.
2516 * toplev.c (compile_file): Cast enum DFI to int.
2517 (decode_d_option): Likewise.
2519 Fri Mar 2 12:18:13 2001 Christopher Faylor <cgf@cygnus.com>
2521 * cppinit.c (append_include_chain): Mark "after" include file name list
2522 as a system directory.
2523 * cpp.texi: Document new behavior.
2525 Fri Mar 2 11:59:43 CET 2001 Jan Hubicka <jh@suse.cz>
2527 * ifcvt.c (noce_operand_ok): Handle properly unarry operations.
2529 2001-03-02 Neil Booth <neil@daikokuya.demon.co.uk>
2531 * cppfiles.c (struct include_file): Update.
2532 (stack_include_file): Use search_from.
2533 (cpp_included, find_include_file): Update.
2534 (cpp_execute_include): Update. ptr->name may not be
2535 null terminated. Use the new search_from member variable
2537 (_cpp_compare_file_date): Similarly.
2538 (search_from): New function, similiar to actual_directory.
2539 (actual_directory): Delete.
2540 (remap_filename): Update. loc->name may not be null terminated.
2541 (struct file_name_list): Rename search_path. Update.
2542 * cpphash.h (struct cpp_buffer): Delete actual_dir. New members
2543 search_from and dir.
2544 (struct cpp_reader): Remove actual_dirs.
2545 * cppinit.c (struct cpp_pending): Update for renamed objects.
2546 (append_include_chain, remove_dup_dir, remove_dup_dirs,
2547 merge_include_chains, cpp_destroy, cpp_start_read): Similarly.
2548 * cpplib.h (struct cpp_options): Similarly.
2550 2001-03-01 Zack Weinberg <zackw@stanford.edu>
2552 * config/xm-lynx.h, config/xm-std32.h, config/a29k/xm-a29k.h,
2553 config/a29k/xm-unix.h, config/alpha/xm-alpha.h,
2554 config/arc/xm-arc.h, config/arm/xm-arm.h, config/c4x/xm-c4x.h,
2555 config/clipper/xm-clix.h, config/convex/xm-convex.h,
2556 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
2557 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
2558 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
2559 config/i370/xm-linux.h, config/i370/xm-mvs.h,
2560 config/i370/xm-oe.h, config/i386/xm-aix.h,
2561 config/i386/xm-i386.h, config/i386/xm-osf.h,
2562 config/i860/xm-i860.h, config/i960/xm-i960.h,
2563 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
2564 config/m68k/xm-m68k.h, config/m88k/xm-m88k.h,
2565 config/mcore/xm-mcore.h, config/mips/xm-mips.h,
2566 config/mn10200/xm-mn10200.h, config/mn10300/xm-mn10300.h,
2567 config/ns32k/xm-ns32k.h, config/pa/xm-linux.h,
2568 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
2569 config/pa/xm-pahpux.h, config/pa/xm-papro.h,
2570 config/pj/xm-pj.h, config/romp/xm-romp.h,
2571 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
2572 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
2573 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
2574 config/v850/xm-v850.h, config/vax/xm-vax.h,
2575 config/vax/xm-vms.h, config/we32k/xm-we32k.h:
2576 Do not define TRUE or FALSE.
2578 * config/i386/xm-aix.h, config/i386/xm-osf.h: Delete; made
2579 empty by above change.
2580 * config.gcc: Remove references to these files.
2582 * configure.in: Detect stdbool.h.
2583 * configure, config.in: Regenerate.
2584 * system.h: Include stddef.h here if available.
2585 Set HAVE__BOOL based on GCC_VERSION and __STDC_VERSION__.
2586 Then set up a sensible boolean type at the very end.
2588 * combine.c, cse.c, expr.c, fold-const.c, gensupport.c,
2589 config/mcore/mcore.c: Rename variables named 'true' and/or 'false'.
2591 * hash.h: Delete 'boolean' typedef and related #undefs.
2593 * function.c, ggc-common.c, hash.h, hash.c, tlink.c: Replace
2594 all uses of 'boolean' with 'bool'.
2596 2001-03-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
2598 * cpplib.c (_cpp_init_stacks): Cast enum for comparison.
2599 * cppexp.c (lex): Cast enums for comparison.
2600 * cppinit.c (parse_option): Cast enum for comparison.
2601 * cpplex.c (cpp_spell_token): Cast enums to int for minus.
2602 (cpp_output_token): Likewise.
2603 (cpp_can_paste): Cast enums for comparsion and plus/minus.
2604 (cpp_avoid_paste): Cast enums for minus and comparison.
2606 2001-03-01 Zack Weinberg <zackw@stanford.edu>
2608 * gcc.c, objc/lang-specs.h: Add zero initializer for cpp_spec
2609 field to all array elements.
2611 2001-03-01 Zack Weinberg <zackw@stanford.edu>
2613 * cpphash.h (struct cpp_reader): Add print_version field.
2614 * cppinit.c (cpp_handle_option): For -v, -version, and --version,
2615 just set print_version and other flags as appropriate.
2616 (cpp_post_options): Print version here if print_version is set.
2618 * toplev.c (exit_after_options): New flag.
2619 (independent_decode_option): Don't exit here; just set
2621 (main): Exit after calling lang_hooks.post_options if
2622 exit_after_options is true.
2624 * cppinit.c (append_include_chain): Drop never-used case QUOTE.
2625 (merge_include_chains): Adjust comment to match code.
2627 2001-03-01 Zack Weinberg <zackw@stanford.edu>
2629 * stringpool.c (set_identifier): New function.
2630 * tree.h: Prototype it.
2632 * c-parse.in: Kill D_YES. If compiled for objc, call
2633 save_and_forget_protocol_qualifiers from init_reswords.
2634 * objc/objc-act.c (remember_protocol_qualifiers,
2635 forget_protocol_qualifiers): Don't diddle C_IS_RESERVED_WORD.
2636 Swap out the non-keyword IDENTIFIER_NODEs for keyword ones, or
2638 (save_and_forget_protocol_qualifiers): New function.
2639 * c-lex.h: Prototype save_and_forget_protocol_qualifiers.
2641 2001-03-01 Diego Novillo <dnovillo@redhat.com>
2643 * c-semantics.c (prune_unused_decls): Return error_mark_node
2644 instead of (tree) 1 to stop traversing the tree chain.
2646 2001-03-01 Bernd Schmidt <bernds@redhat.com>
2648 Fix a problem introduced by Kenner's Feb 18 change.
2649 * toplev.c (rest_of_compilation): Disable flag_cse_follow_jumps and
2650 flag_cse_skip_blocks only temporarily, not for ever.
2652 Thu Mar 1 09:49:58 2001 Jeffrey A Law (law@cygnus.com)
2654 * config/pa/som.h (ASM_IDENTIFY_GCC): Define.
2655 (ASM_IDENTIFY_GCC_AFTER_SOURCE): Likewise.
2657 * pa.c (emit_move_sequence): Verify operand0 is a hard register
2658 before determining its register class.
2660 2001-03-01 Bernd Schmidt <bernds@redhat.com>
2662 * config/ia64/ia64.c (ia64_hard_regno_rename_ok): Disallow renaming
2663 from reg 4 if current_function_calls_setjmp.
2664 (gen_nop_type): New function.
2665 (ia64_emit_nops): New function.
2666 (ia64_reorg): Call it.
2667 (ia64_sched_reorder): Move code that rotates bundles up a bit.
2669 * reload1.c (eliminate_regs_in_insn): Restrict the special case
2670 code not to try to optimize adds with anything but a REG destination.
2672 * sched-int.h (struct haifa_insn_data): Add new member priority_known.
2673 (INSN_PRIORITY_KNOWN): New accessor macro.
2674 * haifa-sched.c (priority): Use it instead of testing priority against
2677 2001-02-28 DJ Delorie <dj@redhat.com>
2679 * config/m68k/m68k.h (MOVE_BY_PIECES_P): Avoid pushing bytes,
2680 since that doesn't work the way gcc wants on a generic m68k.
2682 2001-02-28 Richard Henderson <rth@redhat.com>
2684 * caller-save.c (save_call_clobbered_regs): Fix typo in
2685 comparison last change.
2687 Wed Feb 28 19:31:42 CET 2001 Jan Hubicka <jh@suse.cz>
2689 * i386.c (pentium4_cost): New.
2690 (m_PENT4): New macro.
2691 (x86_push_memory, x86_movx,x86_cmove, x86_deep_branch, x86_use_sahf
2692 x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8
2693 x86_integer_DFmode_moves, x86_partial_reg_dependency,
2694 x86_memory_mismatch_stall): Add Pentium4
2695 (x86_use_q_reg, x86_use_any_reg): Kill.
2696 (override_options): Add pentium4.
2697 (incdec_operand): Return 0 for pentium4.
2698 (ix86_issue_rate): Add PROCESSOR_PENTIUM4 and PROCESSOR_ATHLON.
2699 * i386.h (x86_use_q_reg, x86_use_any_reg): Kill.
2700 (TARGET_PENTIUM4): Define.
2701 (enum processor_type): Add PROCESSOR_PENTIUM4.
2702 (CPP_CPU_DEFAULT_SPEC): Add pentium4 support.
2703 * i386.md (attribute "cpu"): Add pentium4.
2704 * invoke.texi (march): Add pentium4.
2706 Wed Feb 28 19:28:06 CET 2001 Jan Hubicka <jh@suse.cz>
2708 * i386.md (sse_mov?fcc*): New patterns and splitters.
2709 * i386.c (ix86_expand_movcc): Work post-reload; recognize
2710 the SSE based conditional moves.
2712 Wed Feb 28 19:18:23 CET 2001 Jan Hubicka <jh@suse.cz>
2714 * i386.md (attribute mode): Add "TI".
2715 (movsf_1): Add pxor support; remove constant propagation splitter.
2716 (movdf_integer): Likewise.
2717 (movdf_nointeger): Likewise.
2718 (movxf constant prop splitter): Handle all modes; update for SSE.
2719 * i386.h (CONST_DOUBLE_OK_FOR_LETTER): Add 'H' for SSE constants.
2720 * i386.c (standard_80387_constant_p): Rewrite.
2721 (standard_sse_constant_p): New.
2722 * i386-protos.h (standard_sse_constant_p): New.
2724 Wed Feb 28 19:05:37 CET 2001 Jan Hubicka <jh@suse.cz>
2726 * i386.md (sse_setccsf, sse_setccdf): New.
2727 (sse_cmp* patterns): Use '%D' instead of outputtting condition
2729 * i386.c (sse_comparison_operator): Accept the supported unordered
2730 comparses; be ready for fast_math.
2731 (print_operand): Support 'D'.
2733 Wed Feb 28 18:54:51 CET 2001 Jan Hubicka <jh@suse.cz>
2735 * jump.c (reversed_comparison_code): Kill.
2737 Wed Feb 28 18:50:15 CET 2001 Jan Hubicka <jh@suse.cz>
2739 * toplev.c (rest_of_compilation): Do post-reload splitting unconditionally
2742 Wed Feb 28 18:47:37 CET 2001 Jan Hubicka <jh@suse.cz>
2744 * i386.md (sse_andti3, sse_nandti_3, sse_xorti3): Add SSE2 versions;
2745 add missing '%' in constraints.
2747 Wed Feb 28 17:24:24 CET 2001 Jan Hubicka <jh@suse.cz>
2749 * c-common.c (build_common_tree_nodes): Build intTI_type_nodes
2750 for HOST_BITS_PER_WIDE_INT == 32 too.
2752 Wed Feb 28 17:22:35 CET 2001 Jan Hubicka <jh@suse.cz>
2754 * caller-save.c (reg_save_code, reg_restore_code): Index by mode, not
2756 (insert_save, insert_restore): New parameter save_mode.
2757 (init_caller_save): Update initialization of reg_save_code
2758 and reg_restore_code.
2759 (save_call_clobbered_regs): Compute save_modes and update calls to
2760 reg_save_code and reg_restore_code.
2761 (insert_restore): Unsignetize numbers; use save_modes to choose mode
2762 of spill; update use of reg_restore_code.
2763 (insert_save): Likewise.
2764 * i386.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
2765 * c4x.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
2766 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): Likewise.
2768 Wed Feb 28 17:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
2770 * ifcvt.c (noce_emit_store_flag, noce_try_store_flag_constants,
2771 noce_try_store_flag_inc, noce_try_store_flag_mask,
2772 noce_try_cmove_arith):
2773 Use reversed_comparison_code instead of reverse_comparison and
2774 can_reverse_comparison_p.
2776 Wed Feb 28 17:17:29 CET 2001 Jan Hubicka <jh@suse.cz>
2778 * jump.c (reversed_comparison_code_parts): Allow reversal of
2779 unordered compares in -ffast-math mode; reverse ordered compares
2780 for FP even w/o -ffast-math.
2782 2001-02-27 Richard Henderson <rth@redhat.com>
2784 * print-rtl.c (print_rtx) [i]: Don't print field five on
2785 NOTEs other than NOTE_INSN_DELETED_LABEL.
2787 2001-02-27 Zack Weinberg <zackw@stanford.edu>
2789 * mips/xm-iris4.h: Delete #if 0 block (there since before 1997).
2790 * pa/xm-linux.h, pa/xm-pa.h, pa/xm-papro.h: Don't declare errno.
2792 2001-02-27 Diego Novillo <dnovillo@redhat.com>
2794 * c-common.c (walk_stmt_tree): Visit the chain of the current tree
2795 even if walk_subtrees is 0.
2796 * c-semantics.c (prune_unused_decls): Return a non-null value to
2797 stop traversing the tree chain.
2799 2001-02-27 DJ Delorie <dj@redhat.com>
2801 * config/m68k/m68k.c (output_function_prologue): Save the new CFA
2802 register, *then* define it as the new CFA.
2804 Tue Feb 27 16:49:13 2001 Jeffrey A Law (law@cygnus.com)
2806 * pa.c (override_options): Promote -fpic to -fPIC.
2807 (legitimize_pic_address): Simplify due to removal of
2808 small PIC as a code generation option.
2809 (secondary_reload_class): Similarly.
2810 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Similarly.
2811 (PRINT_OPERAND_ADDRESS): Similarly.
2812 * pa.md (various patterns): Similarly.
2813 (small pic lo_sum pattern): Remove.
2815 Tue Feb 27 16:01:13 CET 2001 Jan Hubicka <jh@suse.cz>
2818 * md.texi (min, max): Document
2820 Tue Feb 27 15:51:35 CET 2001 Jan Hubicka <jh@suse.cz>
2822 * i386.md (movsf, movdf): Use movaps for reg-reg moves if
2823 TARGET_PARTIAL_REG_DEPENDENCY.
2824 (truncdfsf2_1_sse, truncdfsf2_2): Penalize the fpreg->mem case.
2826 Tue Feb 27 15:36:48 CET 2001 Jan Hubicka <jh@suse.cz>
2828 * i386.md (mins*, maxs*): New patterns, expanders and splitters.
2830 2001-02-26 Jeffrey Oldham <oldham@codesourcery.com>
2832 * mips.c (mips_make_temp_file): Fix thinko in last change.
2834 2001-02-26 Jason Eckhardt <jle@redhat.com>
2836 * combine.c (known_cond): Do not reverse the condition when
2837 SMAX/UMAX is being considered and the condition is for equality
2840 * testsuite/gcc.c-torture/execute/20010221-1.c: New test.
2842 2001-02-26 Philip Blundell <philb@gnu.org>
2844 * config.gcc: Remove obsolete targets "arm*-*-linuxoldld" and
2846 * config/arm/linux-elf.h: Remove historical relics related to
2847 above configurations.
2848 * config/arm/linux-oldld.h: Delete.
2849 * config/arm/linux-elf26.h: Delete.
2851 2001-02-26 Jason Merrill <jason@redhat.com>
2853 * c-decl.c (finish_decl): Set DECL_DEFER_OUTPUT on tentative file-scope
2855 * toplev.c (rest_of_decl_compilation): Check DECL_DEFER_OUTPUT to
2856 recognize a tentative definition. Lose obsolete code.
2858 * toplev.c (wrapup_global_declarations): Don't emit DECL_COMDAT
2859 variables unless necessary, either.
2861 2001-02-25 Richard Henderson <rth@redhat.com>
2863 * ifcvt.c (struct noce_if_info): Add test_bb.
2864 (noce_get_alt_condition): New.
2865 (noce_try_minmax, noce_try_abs): New.
2866 (noce_operand_ok): New.
2867 (noce_process_if_block): Use them.
2868 * rtlanal.c (may_trap_p): NEG and ABS can never trap.
2870 Sun Feb 25 14:26:17 2001 Christopher Faylor <cgf@cygnus.com>
2872 * config/i386/cygwin.h (CPP_SPEC): Add missing space before w32api
2875 2001-02-25 Zack Weinberg <zackw@stanford.edu>
2877 * config.gcc: Put back pa/t-openbsd and rs6000/t-openbsd.
2878 * config/mips/mips.c (mips_make_temp_file): Set temp_filename
2880 (mips_asm_file_end): Free temp_filename here.
2882 Sun Feb 25 08:34:23 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2884 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): Move decl.
2885 * config/i386/i386.c (ix86_set_move_mem_attrs_1): Fix typo.
2887 * config/i386/i386.md (movstrsi): Handle FAIL case.
2889 2001-02-25 Neil Booth <neil@daikokuya.demon.co.uk>
2891 * cppinit.c (builtin_array): Update.
2892 (init_builtins): Flag builtins to warn if redefined or
2893 undefined. Define __GXX_WEAK as a normal macro.
2894 * cpplib.c (do_undef): Warn if flagged NODE_WARN.
2895 * cpplib.h (NODE_WARN): New flag.
2896 * cppmacro.c (builtin_macro): Remove handling of __GXX_WEAK__.
2897 Handle __STDC__ as a builtin only on Solaris.
2898 (warn_of_redefinition): Renamed from check_macro_definition.
2899 Reverse sense of test. Always warn if NODE_WARN.
2900 (_cpp_create_definition): Use warn_of_redefinition. Flag
2901 any macro beginning with "__STDC_" to require a mandatory
2902 warning if redefined or undefined.
2904 2001-02-24 Zack Weinberg <zackw@stanford.edu>
2906 * xm-interix.h, xm-lynx.h, alpha/xm-vms.h, convex/xm-convex.h,
2907 i370/xm-i370.h, i370/xm-linux.h, i370/xm-mvs.h, i370/xm-oe.h,
2908 i386/xm-beos.h, i386/xm-dos.h, i386/xm-mingw32.h,
2909 i860/xm-i860.h, m68k/xm-3b1.h, m68k/xm-amix.h, m68k/xm-aux.h,
2910 m68k/xm-crds.h, m68k/xm-mot3300.h, m88k/xm-sysv3.h,
2911 mips/xm-mips.h, rs6000/xm-beos.h, vax/xm-vms.h:
2912 Don't define any of:
2913 USE_PROTOTYPES, vfork, mktemp, SVR3, NO_SYS_PARAMS_H,
2914 P_tmpdir, MVS, NO_DBX_FORMAT, USE_STDARGS, STDC_HEADERS,
2915 NO_PRECOMPILES, i860, __PTR_TO_INT, __INT_TO_PTR, rindex,
2916 index, FULL_PROTOTYPES, AUX, R_OK, W_OK, X_OK, F_OK,
2917 STACK_DIRECTION, MIPS, MAX_READ_LEN, MAX_WRITE_LEN.
2919 * alpha/xm-alpha.h, clipper/xm-clix.h, d30v/xm-d30v.h,
2920 fr30/xm-fr30.h, i370/xm-linux.h: Remove commented-out macro
2923 * m68k/xm-3b1.h, m68k/xm-crds.h, m88k/xm-sysv3.h:
2924 Delete now-empty file.
2926 * alpha/vms.h: Define NEED_ATEXIT here...
2927 * alpha/xm-vms.h: ...not here.
2929 * i386/cygwin.h: Don't define PARAMS.
2930 * mips/mips.c: Don't prototype mktemp. Don't define
2931 P_tmpdir. Use make_temp_file to create temporary files.
2932 Don't be clever and delete temporary files early.
2933 * config.gcc: Drop references to deleted files. Don't define
2935 * gcc.texi: Don't mention USE_PROTOTYPES.
2937 Sat Feb 24 20:25:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2939 * config/i386/i386.c (ix86_set_move_mem_attrs): New function.
2940 (ix86_set_move_mem_attrs_1): Likewise.
2941 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): New declaration.
2942 * config/i386/i386.md (movstrsi): Call it.
2944 2001-02-24 Zack Weinberg <zackw@stanford.edu>
2946 * config.gcc: Expunge references to alpha/t-pe, pa/t-openbsd,
2947 x-linux-aout, i386/t-go32, t-osf, m68k/x-m68kv,
2948 ns32k/xm-netbsd.h, rs6000/t-openbsd, rs6000/t-xnewas,
2949 rs6000/x-aix41-gld. These are nonexistent, empty, or obsolete.
2951 (i750a-*-*): Error here if hosting on i750a.
2952 (alpha*-*-winnt*, ix86-*-winnt3*): Remove stanzas entirely.
2954 * x-linux-aout, xm-freebsd.h, i386/beos-pe.h, ns32k/xm-netbsd.h:
2955 Remove (empty modulo comments).
2957 * 1750a/xm-1750a.h, alpha/config-nt.sed, alpha/win-nt.h,
2958 alpha/xm-winnt.h, i386/config-nt.sed, i386/os2.h,
2959 i386/t-winnt, i386/win-nt.h, i386/xm-freebsd.h, i386/xm-os2.h,
2960 i386/xm-winnt.h, m68k/x-alloca-c, m88k/x-dguxbcs,
2961 mips/x-netbsd, mips/x-nws3250v4, rs6000/t-xnewas,
2962 rs6000/t-xrs6000, rs6000/xm-cygwin.h: Remove (obsolete)
2964 * i386/crtdll.h, i386/cygwin.h, i386/mingw32.h:
2965 Remove reference to winnt.h in comment.
2966 * rs6000/t-newas, rs6000/t-rs6000: Override LIBGCC1_TEST to null.
2968 2001-02-24 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2970 * loop.c (check_dbra_loop): A biv has uses besides counting if it is
2971 used to set another biv.
2973 Sat Feb 24 06:45:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2975 * tree.h (BLOCK_DEAD): New macro.
2976 (struct tree_block): New flag, dead_flag.
2977 * print-tree.c (print_node, case 'b'): Print missing fields.
2978 * emit-rtl.c (remove_unnecessary_notes): Set BLOCK_DEAD.
2979 * function.c (identify_blocks): Enable test for misplaced notes.
2980 (all_blocks): Skip BLOCK_DEAD blocks.
2981 * integrate.c (integrate_decl_tree): Likewise.
2983 * errors.c (internal_error, trim_filename): New functions.
2984 (fancy_abort): Call internal_error.
2985 * errors.h (internal_error, trim_filename): New declarations.
2987 2001-02-24 Alexandre Oliva <aoliva@redhat.com>
2989 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Reverted
2991 (EXTRA_CONSTRAINT): Formatting changes.
2993 2001-02-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2995 * rtl.c (rtl_check_failed_code2): Fix typo in last change.
2997 2001-02-23 Per Bothner <per@bothner.com>
2999 * gcc.c (record_temp_file, pfatal_with_name, error): Make non-static,
3000 so they can be called from java/jvspec.c.
3001 * gcc.h (record_temp_file, pfatal_with_name, error): Declare.
3003 Sat Feb 24 03:32:50 CET 2001 Jan Hubicka <jh@suse.cz>
3005 * i386.c (ix86_frame): New structure.
3006 (ix86_compute_frame_size): Kill.
3007 (ix86_compute_frame_layout): New.
3008 (ix86_save_reg): New.
3009 (ix86_can_use_return_insn_p): Use frame layout stuff.
3010 (ix86_expand_prologue): Likewise.
3011 (ix86_expand_epilogue): Likewise.
3012 (ix86_initial_elimination_offset): Likewise.
3013 (ix86_nsaved_regs): Use ix86_save_reg.
3014 (ix86_emit_save_regs): Likewise.
3016 Sat Feb 24 03:30:38 CET 2001 Jan Hubicka <jh@suse.cz>
3018 * flow.c (find_sub_basic_blocks): New function.
3019 (split_block): Be ready for basic block introduced by CODE_LABEL.
3020 (commit_one_edge_insertion): Call find_sub_basic_block.
3022 * flow.c (make_edges): Add edge from entry for blocks starting with
3023 label having ALTERNATE_NAME
3025 Sat Feb 24 03:19:42 CET 2001 Jan Hubicka <jh@suse.cz>
3027 * function.c (epilogue_done): Be ready for first basic block not
3028 containing PROLOGUE_END note.
3029 (reposition_prologue_and_epilogue_notes): Avoid placing
3030 PROLOGUE_END note between BASIC_BLOCK.
3032 Sat Feb 24 03:17:09 CET 2001 Jan Hubicka <jh@suse.cz>
3034 * loop.c (canonicalize_condition): Move to reversed_comparison_code.
3036 2001-02-21 DJ Delorie <dj@redhat.com>
3038 * config/i960/i960.h (FRAME_POINTER_REQUIRED): Revert removal of
3039 check for current_function_has_nonlocal_goto from 1999-11-12.
3041 Fri Feb 23 15:28:39 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3043 * diagnostic.c (trim_filename): No longer static.
3044 * toplev.h (trim_filename): Declare.
3045 * rtl.c (rtl_check_failed_bounds): Call internal_error.
3046 (rtl_check_failed_type1, rtl_check_failed_type2): Likewise.
3047 (rtl_check_failed_code1, rtl_check_failed_code2): Likewise.
3048 (rtvec_check_failed_bounds): Likewise.
3049 * tree.c (tree_check_failed, tree_class_check_failed): Likewise.
3051 * convert.c (convert_to_integer): Don't do unsigned unless result or
3052 both inputs are unsigned.
3054 * fold-const.c (fold_convert): Don't call size_int_type_wide if
3057 * c-decl.c (set_block): Set NAMES and BLOCKS from BLOCK.
3059 * varasm.c (output_constant): Recompute CODE after lang-specific fn.
3061 2001-02-23 Jeffrey Oldham <oldham@codesourcery.com>
3063 * Makefile.in (resource.o): Add params.h dependence.
3064 * params.def (MAX_DELAY_SLOT_LIVE_SEARCH): New parameter.
3065 * params.h (MAX_DELAY_SLOT_LIVE_SEARCH): Likewise.
3066 * resource.c: Add dependence on params.h.
3067 (current_live_regs): Fix explanatory comment.
3068 (find_basic_block): Add new parameter to permit limiting search
3070 (mark_target_live_regs): Add new argument to find_basic_block call.
3071 (incr_ticks_for_insn): Likewise.
3073 2001-02-23 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
3075 * diagnostic.c (output_to_stream): Rename to
3076 output_buffer_to_stream. Loses the stream parameter.
3077 (init_output_buffer): Set diagnosic_buffer's stream.
3078 (flush_diagnostic_buffer): Adjust.
3079 (default_print_error_function): Likewise.
3080 (finish_diagnostic): Likewise.
3081 (verbatim): Likewise.
3083 * diagnostic.h (struct output_buffer): Add `stream' field.
3084 (output_buffer_attached_stream): New macro.
3086 2001-02-23 Jakub Jelinek <jakub@redhat.com>
3088 * fold-const.c (extract_muldiv) [case PLUS_EXPR]: If not MULT_EXPR,
3089 check if either operand is divisible by C.
3090 (multiple_of_p): Handle LSHIFT_EXPR with small constant shift.
3091 If type is signed, consider negative numbers as well.
3093 2001-02-22 Richard Henderson <rth@redhat.com>
3095 * config/ia64/crtbegin.asm (.fini): Use pc-relative relocs to
3096 reach .text instead of gp-relative relocs.
3097 * config/ia64/crtend.asm (.init): Likewise.
3099 2001-02-22 Andreas Jaeger <aj@suse.de>
3101 * extend.texi (C++ Attributes): Fix typo.
3103 2001-02-21 David Mosberger <davidm@hpl.hp.com>
3105 * config/ia64/ia64.c (ia64_epilogue_uses): For syscall_linkage
3106 functions, drop current_function_args_info.words test.
3107 (ia64_compute_frame_size): Mark syscall_linkage functions as
3108 using eight input registers.
3110 2001-02-21 Loren J. Rittle <ljrittle@acm.org>
3111 Bruce Korb <bkorb@gnu.org>
3113 * fixinc/inclhack.def (freebsd_gcc3_breakage): new fix
3114 * fixinc/README: Document how to convert sed substitutions
3115 to format style c_fix-es.
3116 * fixinc/fixincl.x: regen
3118 2001-02-21 Jeffrey D. Oldham <oldham@codesourcery.com>
3120 * gcc.c: Add comment explaining how to add a command-line option.
3121 Add title to specs language comment.
3123 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
3125 * gcc.c (cc1_options): Add "-param".
3126 (DEFAULT_WORD_SWITCH_TAKES_ARG): Likewise.
3127 (option_map): Likewise.
3128 * toplev.c (display_help): Add entry for "--param".
3129 (independent_decode_option): Fix typographical error.
3131 Wed Feb 21 18:57:28 CET 2001 Catherine Moore <clm@redhat.com>
3132 Bernd Schmidt <bernds@redhat.com>
3133 Jan Hubicka <jh@suse.cz>
3135 * i386.c (function_arg_advance): Pass SSE arguments in registers.
3136 (function_arg): Likewise.
3138 Wed Feb 21 18:12:41 CET 2001 Jan Hubicka <jh@suse.cz>
3140 * i386.md (mmx_lshrdi3, mmx_ashldi3): Guard by unspec.
3142 2001-02-21 Kazu Hirata <kazu@hxi.com>
3144 * config/h8300/h8300.md (iorsi3): Do not output an extra newline
3148 Wed Feb 21 17:35:24 CET 2001 Jan Hubicka <jh@suse.cz>
3150 * flow.c (init_propagate_block_info): Canon address and use single_set
3151 for killing dead memory stores.
3153 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
3155 * Makefile.in (reorg.o): Add params.h dependence.
3156 * params.def: Fix typographical error in comment.
3157 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
3158 * params.h: Modify introductory comment.
3159 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
3160 * reorg.c: Add dependence on params.h.
3161 (redundant_insn): Add parameterized throttle for search.
3162 (fill_simple_delay_slots): Add a comment explaining a variable.
3163 Move conditional out of loop, simplifying code.
3164 (fill_eager_delay_slots): Fix typographical error in comment.
3166 2001-02-20 Aldy Hernandez <aldyh@redhat.com>
3168 * tm.texi (REVERSE_CONDEXEC_PREDICATES_P): New macro documentation.
3170 * flow.c (ior_reg_cond): Use REVERSE_CONDEXEC_PREDICATES_P macro.
3171 (REVERSE_CONDEXEC_PREDICATES_P): Define macro.
3173 2001-02-21 Jason Merrill <jason@redhat.com>
3175 * tree.h (DECL_UNINLINABLE): Move from C++ frontend.
3176 (struct tree_decl): Add uninlinable bitfield.
3177 * c-decl.c (duplicate_decls): Set it.
3178 * integrate.c (function_cannot_inline_p): Check it.
3180 * dwarf2out.c (add_name_and_src_coords_attributes): Don't add
3181 DW_AT_MIPS_linkage_name to abstract methods.
3182 (dwarf2out_abstract_function): Emit class context before calling
3183 set_decl_abstract_flags. Don't clear DECL_ABSTRACT.
3184 (gen_subprogram_die): Remove obsolete code.
3185 (gen_member_die): Don't include clones in the member list.
3186 (gen_decl_die): Emit abstract info for clone origin.
3187 * dwarfout.c (output_type): Don't include clones in the member list.
3188 * dbxout.c (dbxout_type_methods): Ignore abstract methods.
3189 * toplev.c (note_deferral_of_defined_inline_function): Don't clear
3190 DECL_ABSTRACT on a function that already has it set.
3192 * dwarf2out.c (gen_formal_types_die): Also accept a FUNCTION_DECL.
3193 (get_subprogram_die): Pass it in.
3195 2001-02-21 Richard Earnshaw <rearnsha@arm.com>
3197 * flow.c (mark_set_1): Make not_dead unsigned long. For
3198 non-pseudos, use it as a bitmask of the hard regs that
3201 2001-02-21 Neil Booth <neil@daikokuya.demon.co.uk>
3203 * cppfiles.c: Update comments.
3204 (_cpp_read_file): Don't check for NULL filenames any more.
3205 * cppinit.c (cpp_start_read): Don't do canonicalization of
3206 in_fname and out_fname. Use the passed file name exclusively.
3207 (_cpp_handle_options): Don't treat "-" as a command line option,
3208 but as a normal filename.
3209 (_cpp_post_options): Canonicalize in_fname and out_fname.
3210 * cppmain.c (printer_init): Don't check out_fname for NULL.
3211 * c-lex.c (orig_filename): Rename cpp_filename for clarity.
3212 (init_c_lex): Update, and use "" to represent stdin to CPP.
3215 2001-02-20 Will Cohen <wcohen@redhat.com>
3217 * config/pa/quadlib.c (_U_Qfcnvfxt_quad_to_usgl): New function.
3218 * config/pa/long_double.h (FIXUNS_TRUNCTFSI2_LIBCALL): Added.
3219 (INIT_TARGET_OPTABS): Use FIXUNS_TRUNCTFSI2_LIBCALL for
3222 2001-02-20 Stan Shebs <shebs@apple.com>
3224 * config/rs6000/rs6000.c (output_cbranch): Output branches
3225 on separate lines instead of using ';' to separate.
3227 2001-02-20 Neil Booth <neil@daikokuya.demon.co.uk>
3229 * cppinit.c (set_lang): Move builtin handling to...
3230 (init_builtins): ...here.
3231 (_cpp_create_reader): Move call to set_lang.
3233 2001-02-20 Mark Mitchell <mark@codesourcery.com>
3235 * stmt.c (expand_return): If an attempt is made to return the
3236 error_mar_node, treat the return like a return without a value.
3238 2001-02-19 Zack Weinberg <zackw@stanford.edu>
3240 * sibcall.c (skip_copy_to_return_value): Call
3241 identify_call_return_value here, and return orig_insn if it
3242 returns zero. Hardret and softret arguments now unnecessary.
3243 (call_ends_block_p): Don't call identify_call_return_value here.
3245 * ggc-common.c (ggc_mark_rtx_children): No need to mark 'S' or
3247 * ggc-page.c, ggc-simple.c (ggc_mark_if_gcable): Delete function.
3248 * ggc.h (ggc_mark_if_gcable): Delete prototype.
3250 Mon Feb 19 20:30:16 2001 Jeffrey A Law (law@cygnus.com)
3252 * pa.c (move_operand): Accept code to load the address of a
3253 symbol out of the DLT as a valid move operand.
3254 (print_operand, case 'A'): New to handle generating a DLT
3255 reference for a LO_SUM expression.
3256 * pa.h (EXTRA_CONSTRAINT): Handle 'A' for DLT LO_SUM references.
3257 * pa.md (movsi, movdi patterns): Allow DLT LO_SUM references.
3259 2001-02-19 Joseph S. Myers <jsm28@cam.ac.uk>
3261 * README, cpp.texi, gcc.texi, version.c: Update version number to
3263 * cpp.1, gcov.1, gcc.1: Regenerate.
3265 2001-02-19 Neil Booth <neil@daikokuya.demon.co.uk>
3267 * cppfiles.c (stack_include_file): Generate dependencies
3268 here, and manage include_count here too.
3269 (PRINT_THIS_DEP): Delete.
3270 (_cpp_execute_include): Do not generate dependencies here,
3271 apart from the case of a missing header. Do not manage
3273 (_cpp_read_file): Leave dependency generation to
3276 Mon Feb 19 10:17:47 2001 Jeffrey A Law (law@cygnus.com)
3278 * config.gcc (hppa*64*-*-hpux11*): Add MASK_GAS to
3279 target_cpu_default. Remove dead assignment to
3282 Mon Feb 19 16:47:39 CET 2001 Jan Hubicka <jh@suse.cz>
3284 * regclass.c (contains_reg_of_mode): Make global.
3285 (init_reg_sets): Remove contains_reg_of_mode; take into account
3286 CLASS_MAX_NREGS when looking for the proper mode.
3287 (dump_regclass): Dump only classes considered for the pseudo.
3288 (regclass): Use contains_reg_of_mode.
3290 Mon Feb 19 16:45:42 CET 2001 Jan Hubicka <jh@suse.cz>
3292 * gcc.c (do_spec_1): 'n' for printing notices.
3293 * i386.h (CC1_CPU_SPEC): Notice deprecated options as deprecated.
3295 Mon Feb 19 15:51:30 CET 2001 Jan Hubicka <jh@suse.cz>
3297 * reg-stack.c (next_flags_user): Use current_block->end
3298 (swap_rtx_condition): Look for next user if flags don't die;
3299 give up on CALL_INSNs; use current_block->end.
3301 Mon Feb 19 08:27:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3303 * sibcall.c (call_ends_block_p): New function.
3304 (optimize_sibling_and_tail_recursive_call): Use it.
3306 2001-02-18 Kazu Hirata <kazu@hxi.com>
3308 * config/h8300/h8300.md: Update copyright.
3309 (andsi3): Do not output an extra newline character.
3311 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3313 * toplev.c (note_deferral_of_defined_inlined_function): Argument
3314 FNDECL may be unused.
3316 * toplev.c (rest_of_compilation): Don't have CSE skip blocks or
3317 follow jumps after first run.
3318 If -fexpensive-optimizations rerun CSE after GCSE and iterate until
3319 it doesn't change any jumps.
3321 Sun Feb 18 17:05:50 2001 Jeffrey A Law (law@cygnus.com)
3323 * Makefile.in (rtlanal.o): Depend on hard-reg-set.h.
3324 ($HOST_PREFIX_1)rtlanal.o: Remove rules for building
3325 (mostlyclean): Corresponding changes.
3326 * rtlanal.c (hard-reg-set.h): Include.
3327 (rtx_unstable_p): Do not treat the argument pointer specially
3328 if it is not a fixed register.
3329 (rtx_varies_p, rtx_addr_can_trap_p): Similarly.
3331 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3333 * sibcall.c (optimize_sibling_and_tail_recursive_call): Compare
3334 against last real insn in basic block.
3335 Rework to avoid gotos.
3337 * Makefile.in (gcse.o): Now includes ggc.h.
3338 * gcse.c: Include ggc.h.
3339 (want_to_gcse_p): Verify expression can be in SET as valid insn.
3340 (try_replace_reg): Remove warning of uninitialize variable.
3341 (process_insert_insn): Call invalid_insn_p to validate insn.
3342 * recog.c (insn_invalid_p): Now global.
3343 See if can make valid by adding CLOBBERs of SCRATCH only and do if so.
3344 * recog.h (insn_invalid_p): New declaration.
3346 * jump.c (jump_optimize_1): Only define reversed_code #ifdef HAVE_trap.
3348 * config/sparc/sparc.c (eligible_for_epilogue_delay): Don't put
3349 assignments from FP constants since 'Y' output code can't handle it.
3350 (eligible_for_sibcall_delay): Likewise.
3352 * flow.c (print_rtl_and_abort_fcn): Renamed from print_rtl_and_abort.
3353 Call fancy_abort directly, passing args.
3354 (print_rtl_and_abort): Now a macro, like fancy_abort.
3356 * final.c (output_operand_lossage): Use internal_error, not error.
3358 2001-02-18 Shane Nay <shane@agendacomputing.com>
3360 * mips.c (mips_expand_prologue) Add REG_MAYBE_DEAD to
3361 structure shift insns.
3363 2001-02-18 Mark Mitchell <mark@codesourcery.com>
3365 * invoke.texi (-fsquangle): Remove documentation.
3366 (-fname-mangling-version): Likewise.
3368 2001-02-18 Lars Brinkhoff <lars@nocrew.org>
3370 * optabs.c (expand_abs): Remove reference to
3371 HAVE_contitional_arithmetic.
3372 * combine.c (simplify_set): Likewise.
3374 2001-02-18 Richard Henderson <rth@redhat.com>
3376 * ifcvt.c (dead_or_predicable): Don't move code if eh regions
3379 2001-02-18 Richard Henderson <rth@redhat.com>
3381 * config/ns32k/ns32k.h (ADJSP): Upcase arguments.
3383 * config/alpha/alpha.md (movsi_fix): Fix typo in pattern name.
3385 * reload1.c (reload_cse_simplify_set): Fix typo.
3387 Sun Feb 18 09:30:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3389 * diagnostic.c (_fatal_insn): Decrement errorcount.
3391 * invoke.texi (-I): Add note avoiding use for system header files.
3393 * rtl.h (add_clobbers): Remove duplicate declaration.
3394 * recog.h (added_clobbers_hard_reg_p): New declaration.
3395 * genemit.c (struct clobber_pat): New field has_hard_reg.
3396 (gen_insn): Record if added clobbers clobber hard reg.
3397 (gen_split): Avoid unused warning if number of operands is 0.
3398 (output_added_clobbers_hard_reg_p): New function.
3401 2001-02-18 Alan Modra <alan@linuxcare.com.au>
3403 * pa.c (hppa_expand_prologue): Simplify code storing return
3404 pointer. For large (>=8k) frames with a post_store, adjust stack
3405 pointer by 8k-64 first rather than by 64. When testing with
3406 VAL_14_BITS_P, always use the actual value rather than the value
3407 negated. Add blockage to prevent scheduling of spills before
3408 stack frame has been created.
3409 (hppa_expand_epilogue): Simplify code loading return pointer.
3410 Allow a slightly larger range for merge_sp_adjust_with_load case.
3411 When testing with VAL_14_BITS_P, always use the actual value.
3413 * pa.c (pa_adjust_insn_length): Check that block move
3414 pattern is a set before looking at operands.
3416 2001-02-17 Mark Mitchell <mark@codesourcery.com>
3418 * fold-const.c (fold_binary_op_with_conditional_arg): New
3419 function, split out from ...
3421 * tree.def (COND_EXPR): Document the use of VOID_TYPE for
3422 conditional arms that throw exceptions.
3424 * print-tree.c (print_node): Do not use BLOCK_CHAIN when we're not
3427 2001-02-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3429 * aclocal.m4 (gcc_AC_CHECK_DECL): Before attempting the test,
3430 define HAVE_DECL_* to 1 to mask potential backup declarations.
3431 * configure: Regenerated.
3433 2001-02-17 Mark Mitchell <mark@codesourcery.com>
3435 * invoke.texi (-Woverloaded-virtual): Clarify documentation.
3437 2001-02-17 Richard Henderson <rth@redhat.com>
3439 * reload1.c (reload_cse_simplify_set): Respect LOAD_EXTEND_OP
3440 when replacing a memory load with a register.
3442 Sat Feb 17 14:48:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3443 Jan Hubicka <jh@suse.cz>
3445 * recog.c (validate_replace_src_1): New.
3446 (validate_replace_src_data): Likewise.
3447 (validate_replace_src): Use note_uses.
3448 * rtl.h (note_uses): Declare.
3449 * rtlanal.c (note_uses): New.
3451 Sat Feb 17 10:52:34 CET 2001 Jan Hubicka <jh@suse.cz>
3453 * reg-stack.c (stack_def): Make field reg unsigned.
3454 (remove_regno_note): Unsignetize parameter.
3456 2001-02-16 Jes Sorensen <jes@linuxcare.com>
3458 * ia64.c (errata_emit_nops): Add VOIDmode as second argument to
3459 shladd_operand() call.
3461 2001-02-16 Bruce Korb <bkorb@gnu.org>
3462 Rodney Brown <RodneyBrown@mynd.com>
3464 * fixinc/mkfixinc.sh: Use C fixincludes for UnixWare 7.
3465 * fixinc/inclhack.def: Add fixinc.svr4 patterns with matching
3466 machine restrictions
3467 * fixinc/fixincl.x: regen
3469 Fri Feb 16 12:41:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3471 * gcse.c (hash_scan_set): If cprop, see if REG_EQUAL or REG_EQUIV.
3473 (hash_scan_insn): Clean up calls to hash_scan_set.
3474 (compute_kill_rd): REGNO now unsigned.
3475 (try_replace_reg): Rework to use simplify_replace_rtx.
3476 (cprop_jump, cprop_cc0_jump): Likewise.
3477 (cprop_insn): Call find_reg_equal_equiv_note.
3478 Reflect changes to cprop_jump and cprop_cc0_jump.
3480 * recog.c (validate_replace_src): Replace in operands of
3481 ZERO_EXTRACT in SET_DEST.
3483 * cse.c (new_label_ref): New variable.
3484 (insert): Set it instead of recorded_label_ref.
3485 (cse_basic_block): Set recorded_label_ref if new_label_ref use, has
3486 CODE_LABEL for this function, and not already in REG_LABEL note.
3488 2001-02-16 Jeffrey Oldham <oldham@codesourcery.com>
3490 * resource.c (mark_referenced_resources): Fix typo in introductory
3492 * config/mips/abi64.h (SUBTARGET_TARGET_OPTIONS): Fix typo in
3495 2001-02-16 Jason Merrill <jason@redhat.com>
3497 * dwarf2out.c (add_bound_info): Don't crash if SAVE_EXPR_RTL is
3499 (gen_subprogram_die): Don't abort on seeing a second definition if
3500 the previous one was abstract. Don't replace an abstract instance
3501 in the lookup table.
3503 * dwarf2out.c (dwarf2out_abstract_function): Rename from
3504 gen_abstract_function.
3505 * dwarf2out.h: Declare it.
3506 * toplev.c (note_outlining_of_inline_function): New fn.
3507 * toplev.h: Declare it.
3508 * integrate.c (output_inline_function): Call it.
3509 * c-decl.c (duplicate_decls): Call it when redefining an extern
3510 inline. Don't inline the new defn.
3512 * tree.h (BLOCK_CHAIN): Use BLOCK_CHECK.
3514 2001-02-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3516 * .gdbinit: Rename to gdbinit.in.
3517 * gdbinit.in: New file,
3518 * configure.in: Generate .gdbinit from gdbinit.in.
3519 * configure: Regenerated.
3520 * Makefile.in (distclean): Always remove .gdbinit.
3522 2001-02-16 Jakub Jelinek <jakub@redhat.com>
3524 * objc/objc-act.c (start_class): Register implemented_classes with
3527 2001-02-16 Neil Booth <neil@daikokuya.demon.co.uk>
3529 * cppfiles.c (_cpp_make_system_header): Generate a file
3532 2001-02-15 Jim Meyering <meyering@lucent.com>
3534 * Makefile.in (install-common): Don't depend on installdirs here.
3535 Instead, make each of the lang.install-common targets (e.g.,
3536 c++.install-common in cp/Make-lang.in) depend on it.
3537 (install-driver): Depend on installdirs.
3539 Thu Feb 15 21:30:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3541 * flow.c (tidy_fallthru_edge): Never end block on line number NOTE.
3543 * function.c (assign_parms): Set RTX_UNCHANGING_P in pseudo when we
3546 2001-02-15 Mark Mitchell <mark@codesourcery.com>
3548 * invoke.texi (--param): Document.
3550 Thu Feb 15 15:16:38 2001 Alexandre Oliva <aoliva@redhat.com>
3552 * config/sh/sh.h (BOOL_TYPE_SIZE): Don't define.
3554 Thu Feb 15 10:52:31 CET 2001 Jan Hubicka <jh@suse.cz>
3556 * i386.md (extendsfdf2_2): Fix constraints.
3558 Thu Feb 15 09:46:21 CET 2001 Jan Hubicka <jh@suse.cz>
3560 * i386.md (fop_df_3 splitter): Fix operand number.
3562 Wed Feb 14 12:37:37 CET 2001 Jan Hubicka <jh@suse.cz>
3564 * invoke.texi (-mreg-alloc): Nuke.
3565 * i386.c (ix86_reg_alloc_order, regs_allocated,
3566 order_regs_for_local_alloc): Nuke.
3567 (override_options): Kill reg_alloc code.
3568 * i386.h (TARGET_OPTIONS): Kill reg-alloc.
3569 (REG_ALLOC_ORDER): SSE goes before I387.
3570 (ORDER_REGS_FOR_LOCAL_ALLOC): Kill.
3571 (ix86_reg_alloc_order): Likewise.
3572 * i386-protos.h (ix86_reg_alloc_order): Kill.
3574 2001-02-14 Richard Henderson <rth@redhat.com>
3576 * toplev.c (f_options): Clarify -fschedule-insns2 documentation.
3578 Wed Feb 14 11:59:58 CET 2001 Jan Hubicka <jh@suse.cz>
3580 * i386.h (RETURN_IN_MEMORY): Fix formating; reject TFmodes
3582 Wed Feb 14 11:12:38 CET 2001 Jan Hubicka <jh@suse.cz>
3584 * i386-protos.h (ix86_memory_move_cost): Move offline.
3585 * i386.c (ix86_register_move_cost): Compute properly cost of
3586 SSE, MMX and i387 instructions.
3587 (*_cost): Add costs of SSE/MMX moves.
3588 (ix86_memory_move_cost): Move offline from ....; Likewise.
3589 * i386.h (MEMORY_MOVE_COST): .... here;
3590 (struct processor costs): Add new fields to represent costs
3593 Wed Feb 14 10:08:26 CET 2001 Jan Hubicka <jh@suse.cz>
3595 * regclass.c (init_reg_sets_1): Reinstall the optimization of
3596 move_cost together with Matt Kraai's fix.
3598 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
3600 * Makefile.in (OBJS): Add params.o.
3602 2001-02-14 Richard Henderson <rth@redhat.com>
3603 DJ Delorie <dj@redhat.com>
3605 * jump.c (jump_optimize_1): When we delete a conditional jump
3606 preceeding a non-conditional jump to effectively the same place,
3607 make sure that the combined jump skips any clobber insns between
3610 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
3612 * gcc.c (do_spec_1): Fix off-by-one error for '%M' case.
3614 2001-02-14 Mark Mitchell <mark@codesourcery.com>
3616 * Makefile.in (toplev.o): Depend on params.h.
3617 (intergate.o): Likewise.
3618 (params.o): New target.
3619 * flags.h (inline_max_insns): Remove.
3620 * integrate.c: Include params.h.
3621 Use MAX_INLINE_INSNS instead of inline_max_insns.
3622 * params.c: New file.
3623 * params.h: Likewise.
3624 * params.def: Likewise.
3625 * toplev.c: Include params.h.
3626 (lang_independent_params): New variable.
3627 (decode_f_option): Use the param machinery instead of setting
3629 (independent_decode_option): Handle "--param name=value".
3630 (main): Register language-independent parameters.
3632 Wed Feb 14 11:13:45 CET 2001 Jan Hubicka <jh@suse.cz>
3634 * i386.md (pushsf, pushdf_nointeger): Fix constraint.
3636 2001-02-14 Richard Henderson <rth@redhat.com>
3638 * regclass.c (init_reg_sets_1): Revert last two changes.
3640 2001-02-14 Jakub Jelinek <jakub@redhat.com>
3642 * stor-layout.c (is_pending_size, put_pending_size): New functions.
3643 (variable_size): Call put_pending_size.
3644 * tree.h (is_pending_size, put_pending_size): Add prototypes.
3645 * fold-const.c (extract_muldiv): If SAVE_EXPR is on the pending
3646 sizes list, put newly created SAVE_EXPR there as well.
3648 2001-02-14 Jakub Jelinek <jakub@redhat.com>
3650 * config/ia64/ia64.c (last_group): Only 2 entries are needed.
3651 (errata_find_address_regs): load_group has only 2 entries.
3652 (errata_emit_nops): Likewise. shladd is not problematic.
3653 Clear last_group if nop was emitted.
3654 (fixup_errata): load_group has only 2 entries.
3657 2001-02-14 Neil Booth <neil@daikokuya.demon.co.uk>
3659 * c-lex.c (lex_number): Only warn traditionally for U suffix
3660 outside system macros.
3661 * cppexp.c (parse_number): Similarly.
3662 * cpplib.h (NODE_SYSHDR, cpp_sys_objmacro_p): New.
3663 * cppmacro.c (struct cpp_macro): New member node.
3664 (parse_args): Only warn about missing rest args if not
3666 (funlike_invocation_p): Similarly for uninvoked funlike macros.
3667 (cpp_sys_objmacro_p): New.
3668 (_cpp_create_definition): Store the node with the macro defn.
3669 Remember if the macro is defined in a system header.
3671 2001-02-13 DJ Delorie <dj@redhat.com>
3673 * configure.in (check_languages): determine languages to check
3674 * Makefile.in (check-c++): alias for check-g++
3675 (check-f77): alias for check-g77
3676 (CHECK_TARGETS): depend on configured languages
3678 Wed Feb 14 01:13:59 CET 2001 Jan Hubicka <jh@suse.cz>
3680 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
3681 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
3682 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
3683 (sqrtextendsfdf2): Disable for SSE2.
3685 Wed Feb 14 00:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
3687 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
3688 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
3689 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
3690 (sqrtextendsfdf2): Disable for SSE2.
3692 Wed Feb 14 00:11:20 CET 2001 Jan Hubicka <jh@suse.cz>
3694 * i386.md (movsfcc_1): Support integer cmove instruction.
3695 (movdfcc_1): Likewise; new splitter.
3697 Tue Feb 13 23:19:27 CET 2001 Jan Hubicka <jh@suse.cz>
3699 * i386.c (output_fp_compare): Support SSE.
3700 (prepare_fp_compare_args): SSE comparisons always support memory.
3701 * i386.h (TARGET_CMOVE): SSE imply cmove.
3702 * i386.md (cmp?f2): Enable for SSE too.
3703 (cmpfp_i*): Support SSE.
3705 (cmpfp_i_sse_only): New.
3706 (s*, b* fp expanters): Enable for SSE too.
3707 (fp_jcc_1_sse, fp_jcc_1_sse_only, fp_jcc_2_sse, fp_jcc_2_sse_only):
3710 Tue Feb 13 23:05:42 CET 2001 Jan Hubicka <jh@suse.cz>
3712 * regclass.c (init_reg_sets_1): Silence warning.
3714 Tue Feb 13 22:03:07 CET 2001 Jan Hubicka <jh@suse.cz>
3716 * i386.md (sqrt?f2): Change to expander.
3717 (sqrt?f2_1, sqrt?f2_sse_only, sqrt?f2_i387): New.
3719 Tue Feb 13 15:42:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3721 * rtlanal.c (find_reg_equal_equiv_note): New function.
3722 * simplify-rtx.c (simplify_gen_unary, simplify_gen_ternary): New fns.
3723 (simplify_gen_relational, simplify_replace_rtx): Likewise.
3724 * rtl.h: Add declarations for above functions.
3726 Tue Feb 13 21:09:11 CET 2001 Jan Hubicka <jh@suse.cz>
3728 * cse.c (cse_main): Converts ifdefs on PIC_OFFSET_TABLE_REGNUM to
3730 * defaults.h (PIC_OFFSET_TABLE_REGNUM): Default to INVALID_REGNUM.
3731 * emit-rtl.c (init_emit_once): Convert ifdefs to conditionals.
3732 * flow.c (mark_regs_live_at_end): Likewise.
3733 (calculate_global_regs_live): Likewise.
3734 * gcse.c (compute_hash_table): Likewise.
3735 (compute_kill_rd): Likewise.
3736 * resource.c (mark_target_live_regs): Likewise.
3737 * rtl.h (INVALID_REGNUM): New macro.
3739 Tue Feb 13 20:59:22 CET 2001 Jan Hubicka <jh@suse.cz>
3741 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch.
3743 Tue Feb 13 16:32:20 CET 2001 Jan Hubicka <jh@suse.cz>
3745 * i386.md (fixsfsi2, fixdfdi2): Force operand to register
3748 Tue Feb 13 14:53:16 CET 2001 Jan Hubicka <jh@suse.cz>
3750 * i386.md (add?f3, sub?f3, mul?f3, dif?f3): Enable for TARGET_SSE(2)
3752 (fop_sf_comm, fop_df_comm, fop_sf_1, fop_df_1): Support SSE.
3753 (fop_sf_comm_sse, fop_df_comm_sse): New patterns.
3754 (fop_sf_1_sse, fop_df_1_sse): New patterns
3755 (fop_*): Disable float_extend and float patterns for SSE compilation.
3756 * i386.c (output_387_binary_op): Support SSE.
3758 Tue Feb 13 14:16:34 CET 2001 Jan Hubicka <jh@suse.cz>
3760 * i386.md (dummy_extendsfdf2): Support SSE2
3761 (extendsfdf2): Enable if 80387 or SSE2.
3762 (extendsfdf2_1): Support SSE2. Disable if SSE2 is avialble
3763 and no MIX_I387_SSE2
3764 (extendsfdf2_1_sse_only): New pattern.
3765 (truncdfsf2): Enable if SSE2 or 80387; Always use SSE only version
3767 (truncdfsf2_1): Support SSE.
3768 (truncdfsf2_2): Support SSE.
3769 (truncdfsf2_2_1_sse): New pattern.
3770 (fixtruncsfsi2): Always use SSE if available.
3771 (fix_truncsfsi_sse): New pattern.
3772 (fix_truncdfsi_sse): New pattern.
3773 (floatsis?f2): Support SSE.
3774 (floatsidf2_i387): New pattern.
3775 (floatsidf2_sse): Likewise.
3777 Tue Feb 13 07:52:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3779 * configure.in: Use "have_gnat" variable, not "gnat".
3780 * configure: Regenerated.
3782 * config/sparc/sparc.c (function_value): Treat all non-record
3783 aggregate types like used to treat UNION_TYPE.
3785 Tue Feb 13 13:31:33 CET 2001 Jan Hubicka <jh@suse.cz>
3787 * i386.c (print_reg): Use ANY_FP_REG instead of FP_REG
3788 * i386.h (MASK_128BIT_LONG_DOUBLE): Renumber
3790 (MASK_MIX_SSE_I387): New.
3791 (TARGET_SSE): SSE2 imply SSE.
3792 (TARGET_SSE2, TARGET_MIX_SSE_I387): New.
3793 (TARGET_SWITCHES): Add "sse2", "mix-sse-i387".
3794 (enum reg_class): Add new classes.
3795 (REG_CLASS_NAMES): Likewise.
3796 (REG_CLASS_CONTENTS): Likewise.
3797 (ANY_FP_REG_P, ANY_FP_REGNO_P, SSE_REG_P, SSE_FLOAT_MODE): New macros.
3798 (REG_CLASS_FROM_LETTER): 'x' and 'y' is SSE_REGS only when SSE is
3799 supported. Add 'Y' to be SSE_REGS when SSE2 is supported.
3800 (CLASS_MAX_NREGS): Use new macros.
3801 (REGISTER_MOVE_COST): Rewrite using SECONDARY_MEMORY_MAYBE_NEEDED.
3802 * i386.md (pushsf, movsf): Support SSE.
3803 (pushdf_nointeger, pushdf_integer, pushdf): Support SSE, update
3804 splitters to use ANY_FP_REGNO_P.
3805 (movdf_nointeger, movdf_integer): Likewise.
3807 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
3809 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): New macro.
3810 (try_combine): Use it.
3812 Tue Feb 13 11:37:06 CET 2001 Jan Hubicka <jh@suse.cz>
3814 * i386.h (SSE_CLASS_P, MMX_CLASS_P, MAYBE_FLOAT_CLASS_P,
3815 MAYBE_SSE_CLASS_P, MAYBE_MMX_CLASS_P): New macros.
3816 (PREFERRED_RELOAD_CLASS, SECONDARY_MEMORY_NEEDED): Move offline.
3817 (REGISTER_MOVE_COST): Likewise.
3818 * i386-protos.h (ix86_secondary_memory_needed,
3819 ix86_preferred_reload_class, ix86_register_move_cost): Declare.
3820 * i386.c (ix86_secondary_memory_needed,
3821 ix86_preferred_reload_class, ix86_register_move_cost): New function.
3823 Die Feb 13 11:04:25 CET 2001 Jan Hubicka <jh@suse.cz>
3825 * i386.h (VALID_FP_MODE_P, VALID_INT_MODE_P): New.
3826 (HARD_REGNO_MODE_OK): Move offline to ....
3827 * i386.c (ix86_hard_regno_mode_ok) ... here;
3828 refuse all incorrect modes.
3829 * i386-protos.h (ix86_hard_regno_mode_ok): Declare.
3831 2001-02-13 Richard Henderson <rth@redhat.com>
3833 * sparc.md (cmp_cc_arith_op_set): Don't use match_dup on the
3834 entire operator; replicate that and match_dup the operands.
3835 (cmp_ccx_arith_op_set): Likewise.
3836 (cmp_cc_arith_op_not_set): Likewise.
3837 (cmp_ccx_arith_op_not_set): Likewise.
3839 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
3841 * explow.c (trunc_int_for_mode): Sign-extend value to mode.
3843 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
3845 * config/rs6000/sysv4.h (MASK_NO_BITFIELD_WORD): New macro.
3846 (TARGET_NO_BITFIELD_WORD): New macro.
3847 (SUBTARGET_SWITCHES): Add -mbit-word, -mno-bit-word options.
3848 (BITFIELD_NBYTES_LIMITED): Define based on TARGET_NO_BITFIELD_WORD.
3850 Mon Feb 12 18:13:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3852 * cselib.c: New file, from simplify-rtx.c.
3853 * simplify-rtx.c: Remove cselib parts.
3854 * Makefile.in: Add cselib.o.
3856 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
3858 * config/rs6000/rs6000.c (rs6000_float_const): Remove warning.
3859 (setup_incoming_varargs): Remove warning.
3861 * config/rs6000/rs6000.c (validate_condition_mode): When
3862 flag_fast_math, allow floating-point conditionals to be reversed.
3863 (rs6000_generate_compare): When flag_fast_math, don't generate
3864 cror operations for FP conditionals.
3866 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Handle
3868 (ASM_SPEC): Likewise.
3869 (CC1_ENDIAN_LITTLE_SPEC): Likewise.
3870 (CC1_SPEC): Likewise.
3871 (LINK_TARGET_SPEC): Likewise.
3872 (CPP_ENDIAN_SPEC): Likewise.
3873 * Makefile.in (check-consistency): New target.
3875 2001-02-12 Joseph S. Myers <jsm28@cam.ac.uk>
3877 * c-decl.c (grokdeclarator): In C99 mode, give the more specific
3878 "return type defaults" warning for functions with return type
3880 * c-lang.c (c_init): In C99 mode, enable warnings for implicit
3881 function declarations by default rather than only when pedantic.
3883 Mon Feb 12 17:28:48 CET 2001 Jan Hubicka <jh@suse.cz>
3885 * regclass.c (init_reg_sets_1): Optimize calculation of move_cost
3888 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
3890 * extend.texi (Deprecated): Deprecate new initializer lists.
3892 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
3894 * mkdeps.c (deps_add_default_target): Robustify. Add
3895 basename component only.
3896 * cpp.texi (-M): Describe how default target is generated.
3897 * invoke.texi (-M): Likewise.
3899 2001-02-12 Kazu Hirata <kazu@hxi.com>
3901 * toplev.c (push_float_handler): Remove.
3902 (pop_float_handler): Remove.
3903 * toplev.h: Remove prototypes for the above functions.
3905 2001-02-12 Jakub Jelinek <jakub@redhat.com>
3907 * c-common.c (constant_fits_type_p): New function.
3908 (convert_and_check): Use it.
3910 2001-02-11 Mark Mitchell <mark@codesourcery.com>
3912 * Makefile.in (GXX_ABI_FLAG): Don't define.
3913 * configure.in (--enable-new-gxx-abi): Remove option.
3914 * config.in: Regenerated.
3915 * configure: Likewise.
3917 2001-02-12 Alexandre Oliva <aoliva@redhat.com>
3919 * lcm.c (compute_earliest): Let EXIT_BLOCK be handled as a regular
3921 (optimize_mode_switching) [NORMAL_MODE]: Set up EXIT_BLOCK as a
3922 regular basic block, and arrange for all edges into it to switch
3925 2001-02-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3927 * Makefile.in (distclean): Do not remove .gdbinit.
3929 2001-02-11 Mark Mitchell <mark@codesourcery.com>
3931 * Makefile.in (gcc.o): Fix typos.
3932 (protize.o): Likewise.
3933 (unprotoize.o): Likewise.
3935 2001-02-11 Richard Henderson <rth@redhat.com>
3937 * tree.c (build1): Check for null operand in last change.
3939 2001-02-11 Richard Henderson <rth@redhat.com>
3941 * fold-const.c (split_tree): Don't assume a constant isn't splittable.
3942 (fold): Don't assume a constant isn't foldable.
3943 * tree.c (build): Set TREE_CONSTANT for an expression with no
3944 side-effects and constant operands.
3947 2001-02-10 Richard Henderson <rth@redhat.com>
3949 * jump.c (squeeze_notes): Revert 2000-05-12 change.
3951 2001-02-10 Anthony Green <green@redhat.com>
3953 * cpp.texi (Standard Predefined): Add documentation for
3956 * c-common.c (combine_strings): Improve warning message.
3958 2001-02-10 Geoffrey Keating <geoffk@redhat.com>
3960 * config/rs6000/sysv4.h (LINK_TARGET_SPEC): Use two dashes for
3962 * config/rs6000/sysv4le.h (LINK_TARGET_SPEC): Likewise.
3964 Fri Feb 9 15:05:27 2001 Christopher Faylor <cgf@cygnus.com>
3966 * config/i386/t-cygwin (T_CPPFLAGS): Use correct location for
3969 2001-02-09 Alexandre Oliva <aoliva@redhat.com>
3971 * config/sh/sh.md (sibcalli, sibcalli_pcrel, sibcalli): Set
3974 2001-02-09 Nick Clifton <nickc@redhat.com>
3976 * config/arm/arm.md: Change output contraint on post inc
3977 load/store multiple patterns to be a read/write contraint.
3979 2001-02-09 Neil Booth <neil@daikokuya.demon.co.uk>
3981 * gcc.c (cpp_options): Delete .d files on error. Don't delete
3982 .o files when using the -M options.
3984 2001-02-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3985 David Edelsohn <edelsohn@gnu.org>
3987 * config/rs6000/rs6000.c (output_toc): Allow 32-bit targets to
3988 handle DImode constants. Use one TOC entry for SImode and smaller
3989 constants, aligned properly.
3991 2001-02-08 Jason Merrill <jason@redhat.com>
3993 * config/arm/arm.c (arm_expand_prologue): Do tell the dwarf2 backend
3994 about the SP adjustment for saving the static chain pointer.
3995 * dwarf2out.c (dwarf2out_frame_debug_expr): Use the specified
3996 offset when setting a temporary CFA register.
3998 2001-02-08 Chandrakala Chavva <cchavva@redhat.com>
4000 * config.gcc : New targets, i386-*-chorusos*, sparc-*-chorusos*,
4001 powerpc-*-chorusos* .
4002 * config/rs6000/chorus.h : New file.
4003 * config/i386/chorus.h : New file.
4004 * config/sparc/chorus.h : New file.
4005 * config/sparc/t-chorus-elf : New file.
4007 2001-02-08 David Edelsohn <edelsohn@gnu.org>
4009 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Move from here ...
4010 * config/rs6000/aix.h (ASM_OUTPUT_SYMBOL_REF): ... to here.
4011 * config/rs6000/aix51.h (CPLUSCPLUS_CPP_SPEC): Define it.
4012 (__WCHAR_TYPE__): Correct macro name.
4014 2001-02-08 Richard Henderson <rth@redhat.com>
4016 * config/i386/i386.c (ix86_frame_pointer_required): New.
4017 (ix86_setup_frame_addresses): New.
4018 (struct machine_funciton): Add accesses_prev_frame.
4019 * config/i386/i386.h (FRAME_POINTER_REQUIRED): Call
4020 ix86_frame_pointer_required.
4021 (SUBTARGET_FRAME_POINTER_REQUIRED): New.
4022 (SETUP_FRAME_ADDRESSES): New.
4023 * config/i386/i386-protos.h: Update.
4024 * config/i386/sco5.h (SUBTARGET_FRAME_POINTER_REQUIRED): Rename
4025 from FRAME_POINTER_REQUIRED.
4026 * config/i386/svr3gas.h: Likewise.
4027 * config/i386/sysv3.h: Likewise.
4028 * config/i386/v3gas.h: Likewise.
4030 2001-02-08 Richard Henderson <rth@redhat.com>
4032 * config/sparc/sparc.c (function_arg_record_value_3): Fix
4033 calculation of the number of integer registers required.
4034 (function_arg_record_value): Likewise.
4036 2001-02-08 Jason Merrill <jason@redhat.com>
4038 * diagnostic.c (internal_error): Say "confused" after 1 error, not
4039 two. Print file and line with "confused" message.
4041 * dwarf2out.c (dwarf2out_line): Include filename in -dA output.
4043 Thu Feb 8 11:21:28 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4045 * rtlanal.c (remove_node_from_expr_list): Correctly update PREV.
4047 2001-02-08 Bernd Schmidt <bernds@redhat.com>
4049 * final.c (cleanup_subreg_operands): The address of a MEM can
4052 * config/ia64/ia64.c (ia64_variable_issue): Call group_barrier_needed_p
4055 2001-02-08 Joseph S. Myers <jsm28@cam.ac.uk>
4057 * gcc.texi (Incompatibilities): Update documentation of
4058 preprocessing numbers.
4060 2001-02-07 Jakub Jelinek <jakub@redhat.com>
4062 * c-decl.c (finish_enum): Revert part of 2000-01-05 change.
4064 2001-02-07 Mark Mitchell <mark@codesourcery.com>
4066 * config/rs6000/aix43.h (CPLUSCPLUS_CPP_SPEC): Define it.
4068 * defaults.h (CPLUSPLUS_CPP_SPEC): New macro.
4069 * gcc.c (struct compiler): Add cpp_spec field.
4070 (input_file_compiler): New variable.
4071 (do_spec_1): Allow a particular compiler to handle `%C'
4073 (main): Store the current compiler in input_file_compiler.
4074 * tm.texi (CPLUSPLUS_CPP_SPEC): Document.
4076 2001-02-07 Zack Weinberg <zack@wolery.stanford.edu>
4078 * cpphash.h (struct spec_nodes): Add n_true and n_false.
4079 * cppinit.c (cpp_create_reader): Initialize them.
4080 (append_include_chain): cxx_aware arg might be unused.
4081 * cppexp.c (lex): In C++ mode, recognize 'true' and 'false'
4082 keywords and give them their phase 7 meaning. Pedwarn about
4083 this unless '__bool_true_false_are_defined' is defined.
4085 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
4087 * lcm.c (optimize_mode_switching): Emit mode_set before the
4088 JUMP_INSN of an abnormal edge.
4090 2001-02-07 Bernd Schmidt <bernds@redhat.com>
4092 * builtins.c (expand_builtin_setjmp_receiver): Emit an ASM_INPUT as
4093 a scheduling barrier at the end.
4095 * tm.texi (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): Document.
4097 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
4099 * config/sh/sh.md (reload_outsf): Removed.
4100 (movsf_ie): Introduce constraints for FPUL loads and stores.
4101 (reload_insf): Broaden the output constraint.
4103 * config/elfos.h (INT_ASM_OP): Don't define it if it's already
4105 * config/sh/sh.h (INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
4106 ASM_OUTPUT_DESTRUCTOR): Copy definitions from config/elfos.h.
4108 2001-02-06 Chandrakala Chavva <cchavva@redhat.com>
4110 * final.c: Revert my previous changes.
4111 * output.h: Make profile_label_no extern.
4112 * config/rs6000/rs6000.c (output_profile_hook): Use standard functions
4113 for generating label.
4115 2001-02-06 Laurynas Biveinis <lauras@softhome.net>
4117 * config/i386/djgpp.h: Add comments about standard paths.
4118 (MD_EXEC_PREFIX): Undefine before defining.
4119 (MD_STARTFILE_PREFIX): New.
4121 2001-01-30 Bruce Korb <bkorb@gnu.org>
4123 fixinc/fixincl.c(process): Emit error message only if appropriate :)
4124 (load_file): do not rely on load_file_data() to close file pointer
4125 fixinc/fixlib.c(load_file_data): do not close passed in file pointer
4126 fixinc/inclhack.def(irix_limits_const): add test_text
4128 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
4130 * cppexp.c (parse_defined): Improve diagnostics for invalid
4133 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
4135 * cppmacro.c (cpp_get_token): Avoid pasting after a builtin.
4137 2001-02-06 Mark Mitchell <mark@codesourcery.com>
4139 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Define.
4140 * config/rs6000/rs6000-protos.h (rs6000_output_symbol_ref): Declare.
4141 * config/rs6000/rs6000.c (VTABLE_NAME_P): New macro.
4142 (rs6000_output_symbol_ref): New function.
4143 (output_toc): Use VTABLE_NAME_P.
4145 Tue Feb 6 07:54:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4147 * print-tree.c (print_node, case PARM_DECL):
4148 Print DECL_ARG_TYPE and DECL_ARG_TYPE_AS_WRITTEN.
4150 * stor-layout.c (reference_types_internal): New variable.
4151 (internal_reference_types): New function.
4152 (layout_type, case REFERENCE_TYPE): Make Pmode if internal.
4153 * tree.h (internal_reference_types): New declaration.
4155 * cse.c (find_best_addr): Fix typo in computing cost.
4157 Mon Feb 5 21:56:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4159 * combine.c (nonzero_bits, case PLUS): If pointers extend unsigned
4160 and this is the sum of a pointer and a constant, we know the result
4162 (num_sign_bit_copies, case PLUS): Likewise.
4163 * explow.c (convert_memory_address): Remove opposite SUBREG.
4164 * function.c (instantiate_new_reg): New function (from common code).
4165 (instantiate_virtual_regs_1): Call it.
4166 For PLUS, handle if (plus (subreg (virt-reg) (const_int))
4167 if pointers sign- or zero-extend.
4168 * simplify-rtx.c (simplify_unary_operation, case ZERO_EXTEND):
4169 If pointers extend unsigned, use inside of SUBREG.
4170 (simplify_unary_operation, case SIGN_EXTEND): Likewise, if sign extend.
4172 2001-02-05 Benjamin Kosnik <bkoz@redhat.com>
4174 * Makefile.in (-DGPLUSPLUS_TOOL_INCLUDE_DIR): Change to target
4175 subdir of gcc_gxx_include_dir.
4176 (gcc_gxx_target_include_dir): Remove.
4178 2001-02-05 Jeffrey Oldham <oldham@codesourcery.com>
4180 * dwarf2out.c: Revise DWARF2 Abbreviation Glossary comments.
4181 (dwarf2out_frame_debug_expr): Revise introductory comments to add
4182 a high-level description.
4184 2001-02-05 Chandrakala Chavva <cchavva@redhat.com>
4186 * final.c: Move the declaration of profile_label_no to ...
4187 * output.h: ... here.
4188 * function.c (expand_function_start): Call PROFILE_HOOK.
4189 * config/rs6000/aix.h: Define PROFILE_HOOK.
4190 * config/rs6000/rs6000-protos.h: output_profile_hook new.
4191 * config/rs6000/rs6000.c (output_profile_hook): Define.
4192 (output_prolog): Do nothing for ABI_AIX as it is taken care by
4193 output_profile_hook.
4194 tm.texi : Explain new macro PROFILE_HOOK.
4196 2001-02-06 Hans-Peter Nilsson <hp@axis.com>
4198 * extend.texi (Extended Asm): Do not say that semicolon is always
4199 a valid line-breaking character for GNU assemblers. Use
4200 newline-tab as the most commonly supported syntax. Use
4201 newline-tab rather than semicolon in multi-insn examples.
4203 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4205 * Makefile.in (gcc_gxx_target_include_dir): Use $(target_alias).
4207 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4208 David Edelsohn <edelsohn@gnu.org>
4210 * config/rs6000/rs6000.c (rs6000_return_addr): Use PIC
4211 code for AIX, even without flag_pic.
4213 2001-02-05 Jakub Jelinek <jakub@redhat.com>
4215 * c-typeck.c (common_type): push and pop binding level around
4216 calling common_type on function parameters.
4218 Mon Feb 5 14:30:37 2001 Christopher Faylor <cgf@cygnus.com>
4220 * config/i386/cygwin.h (CPP_SPEC): Add missing space after -idirafter.
4222 Mon Feb 5 11:23:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4224 * config/mips/mips.c (override_options): Fix typo in last change.
4225 (mips_make_temp_file): Call fatal_io_error, not pfatal_with_name.
4226 (mips_asm_file_end): Likewise; also pass more args to fatal_io_error.
4228 2001-02-05 Nathan Sidwell <nathan@codesourcery.com>
4230 * invoke.texi (-fdump-class-layout): Document.
4231 (-fdump-translation-unit): Use `=' as filename separator.
4233 2001-02-05 Mark Mitchell <mark@codesourcery.com>
4235 * Makefile.in (s-mlib): Don't build multilibs if
4237 (DRIVER_DEFINES): Adjust accordingly.
4239 (protoize.o): Likewise.
4240 (unprotoize.o): Likewise.
4241 * configure.in: Recognize --enable-multilib.
4243 2001-02-04 Mark Mitchell <mark@codesourcery.com>
4245 * Makefile.in (DRIVER_DEFINES): Fix quoting.
4247 * Makefile.in (site.exp): Always set HAVE_LIBSTDCXX_V3.
4248 * configure.in: Remove --enable-libstdcxx_v3 support.
4249 * configure: Regenerated.
4251 Sun Feb 4 15:52:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4253 * config/avr/avr.h (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP):
4254 Call abort instead of fatal.
4255 (TRAMPOLINE_TEMPLATE): Call internal_error instead of fatal.
4256 * config/dsp16xx/dsp16xx.h (FUNCTION_PROFILER): Likewise.
4257 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Likewise.
4258 (TRAMPOLINE_TEMPLATE, INITIALIZE_TRAMPOLINE): Likewise.
4259 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Likewise.
4260 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Likewise.
4262 * diagnostic.h (set_internal_error_function): Renamed.
4263 * toplev.h (internal_error): Renamed from fatal.
4264 (pfatal_with_name): Deleted.
4265 (fatal_io_error): Now has printf-style arguments.
4266 * diagnostic.c (pfatal_with_name): Deleted.
4267 (fatal_io_error): Rework to have args in printf-style.
4268 (set_internal_error_function): Renamed from set_fatal_function.
4269 (internal_error): Renamed from fatal.
4270 (error_recursion, fancy_abort): Call internal_error instead of fatal.
4271 * dwarf2out.c (get_cfa_from_loc_descr): Likewise.
4272 * emit-rtl.c (gen_realpart, gen_imagpart): Likewise.
4273 * expr.c (check_max_integer_computation_mode, expand_expr): Likewise.
4274 * flow.c (verify_flow_info): Likewise.
4275 * config/arm/arm.c (thumb_unexpanded_epilogue): Likewise.
4276 * config/mips/mips.c (save_restore_insns): Likewise.
4278 * except.c (duplicate_eh_handlers): Call abort instead of fatal.
4279 * flow.c (verify_flow_info): Likewise.
4280 * config/arm/arm.c (thumb_load_double_from_address): Likewise.
4281 * config/avr/avr.c (pttreg_to_str, unique_section): Likewise.
4282 (avr_normalize_condition): Likewise.
4283 * config/c4x/c4x.c (c4x_emit_libcall, c4x_valid_operands): Likewise.
4284 * config/dsp16xx/dsp16xx.c (dsp16xx_reg_class_from_letter): Likewise.
4285 (limit_reload_class, double_reg_to_memory): Likewise.
4286 (print_operand_address, emit_1600_code_shift): Likewise.
4287 (gen_tst_reg, gen_compare_reg): Likewise.
4288 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Likewise.
4289 * config/dsp16xx/dsp16xx.c (dsp16xx_invalid_register_for_compare):
4291 * config/dsp16xx/dsp16xx.md (unnamed cmphi): Call abort instead of it.
4293 * c-parse.in (methoddef): Call fatal_error instead of fatal.
4294 * objc/objc-act.c (build_ivar_chain): Likewise.
4295 * dwarfout.c (dwarfout_init): Call fatal_io_error instead of
4297 * graph.c (clean_graph_dump_file): Likewise.
4298 * profile.c (init_branch_prob): Likewise.
4299 * objc/objc-act.c (objc_init): Likewise.
4301 * config/arm/arm.c (arm_override_options): Make errors non-fatal.
4302 * config/avr/avr.c (avr_override_options): Likewise.
4303 * config/c4x/c4x.c (c4x_expand_prologue): Likewise.
4304 * config/dsp16xx/dsp16xx.c (function_prologue): Likewise.
4305 * config/h8300/h8300.c (h8300_init_once): Likewise.
4306 * config/mips/mips.c (override_options): Likewise.
4307 * config/i386/i386.c (override_options): Likewise, rework.
4308 * config/m68k/m68k.c (override_options): Likewise.
4310 * config/dsp16xx/dsp16xx.c (print_operand): Call output_operand_lossage
4312 * config/mips/mips.c (print_operand): Likewise.
4313 * hash.c (hash_allocate): Don't check for failure returns from
4314 obstack functions that can't fail.
4315 (hash_table_init_n, hash_table_init): Likewise; also now return void.
4316 * hash.h (hash_table_init_n, hash_table_init): Now return void.
4317 * objc/objc_act.c (objc_check_decl): Remove unneeded fatal call.
4318 (get_object_reference): Likewise.
4320 2001-02-04 Nick Clifton <nickc@redhat.com>
4322 * config/arm/arm.c (all_cores): Add 710T, 720T, 740T, 940T, 9e,
4323 StrongARM1110, 10TDMI, and 1020T.
4325 2001-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4327 * mips.h (MULTILIB_ISA_DEFAULT): Don't use #elif.
4329 2001-02-04 Alexandre Oliva <aoliva@redhat.com>
4331 * config/sh/sh.md (movdf load split): Pass register number to
4332 FP_OR_XD_REGISTER_P.
4334 2001-02-04 Mark Mitchell <mark@codesourcery.com>
4336 * cppinit.c (BC): New macro.
4337 (builtin_array): Add __GXX_WEAK__.
4338 * cpplib.h (builtin_type): Add BT_WEAK.
4339 * cppmacro.c (builtin_macro): Handle BT_WEAK.
4340 * defaults.h (SUPPORTS_ONE_ONLY): Define.
4341 * varasm.c (SUPPORTS_ONE_ONLY): Do not define.
4343 2001-02-03 Jakub Jelinek <jakub@redhat.com>
4345 * cppinit.c (append_include_chain): Honor NO_IMPLICIT_EXTERN_C.
4347 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
4349 * cpphash.h: Rename _ALIGN POOL_ALIGN.
4350 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
4352 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
4354 * cpphash.h: Rename ALIGN _ALIGN.
4355 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
4357 Fri Feb 2 23:15:29 2001 Christopher Faylor <cgf@cygnus.com>
4359 * config/i386/cygwin.h (CPP_SPEC): Reorganize YA to better handle cross
4360 compilation environment.
4361 * config/i386/t-cygwin (T_CPPFLAGS): Define CYGWIN_CROSS_DIR to allow
4362 control over location of cygwin includes and libs.
4364 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
4366 * c4x.h (HARD_REGNO_CALL_PART_CLOBBERED): Fix typo.
4368 2001-02-02 lars brinkhoff <lars@nocrew.org>
4370 * md.texi (Standard Names): remove reference to spur.md.
4372 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
4374 * c4x.h (IS_INT_CALL_SAVED_REG, IS_FLOAT_CALL_SAVED_REG): Define.
4375 (HARD_REGNO_CALL_PART_CLOBBERED): Use IS_FLOAT_CALL_SAVED_REG.
4376 (INITIAL_FRAME_POINTER_OFFSET, INITIAL_ELIMINATION_OFFSET): Likewise.
4377 * c4x.c (c4x_hard_regno_rename_ok): Use IS_XXX_CALL_SAVED_REG.
4378 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
4380 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4382 * c4x.c (group1_reg_operand, group1_mem_operand, arx_reg_operand,
4383 c4x_arn_reg_operand, c4x_arn_mem_operand): Do not check register
4384 number before reload.
4385 (c4x_adjust_cost): Return zero before reload.
4386 * c4x.md (load_immed_address+1, load_immed_address+2): Do not
4387 split before reload.
4389 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4391 * c4x.c (c4x_hard_regno_rename_ok): New.
4392 * c4x-protos.h (c4x_hard_regno_rename_ok): New.
4393 * c4x.h (HARD_REGNO_RENAME_OK): Define.
4395 Fri Feb 2 20:03:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4397 * diagnostic.h: Add missing "extern" in all declarations.
4399 2001-02-02 Alex Samuel <samuel@codesourcery.com>
4401 * Makefile.in (gcc_gxx_target_include_dir): Generate dynamically
4402 as for gcc_gxx_include_dir.
4404 2001-02-02 Neil Booth <neil@daikokuya.demon.co.uk>
4406 * cpp.texi, invoke.texi: Update -Wtraditional documentation.
4408 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
4410 * config/sh/sh.c (output_far_jump): Don't use braf on SH1. Emit
4411 label before alignment to be used as the braf base address.
4412 * config/sh/sh.md (length): Use longer lengths for SH1 PIC far
4414 (casesi_jump_2): Require at least TARGET_SH2.
4416 * config/float-sh.h (LDBL_EPSILON, LDBL_MIN, LDBL_MAX): Prevent
4417 truncation to 32-bit doubles on -m3e and -m4-single-only.
4419 2001-02-02 Mark Mitchell <mark@codesourcery.com>
4421 * gcc.c (init_gcc_specs): New function. Make -shared-libgcc
4422 the default when building a shared object.
4423 (init_spec): Use it.
4424 * testsuite/lib/g++.exp: Include the directory where libgcc
4425 is located to the LD_LIBRARY_PATH list.
4426 * invoke.texi (-shared-libgcc): Document the cases in which
4427 GCC defaults to using the shared libgcc.
4429 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
4431 * config/fp-bit.h (MAX_USI_INT, MAX_SI_INT): Don't assume
4432 unsigned is wide enough.
4434 * config/fp-bit.c (_fpmul_parts): Don't assume 32-bits SI.
4435 (si_to_float): Likewise.
4436 (float_to_si, float_to_usi): Use BITS_PER_SI.
4438 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
4440 * dwarf2out.c: Added explanation of abbreviations.
4441 (def_cfa_1): Added comments listing DWARF2 instructions.
4442 (cfa_temp_reg): Removed in favor of cfa_temp.
4443 (cfa_temp_value): Removed in favor of cfa_temp.
4444 (cfa_temp): New global variable.
4445 (dwarf2out_frame_debug_expr): Added extensive introductory
4446 comments explaining the function's transformations. Revised to
4447 use cfa_temp. Added some rtx checking. Generalize IOR case.
4448 (dwarf2out_frame_debug): Revised to use cfa_temp.
4449 (output_aranges): Cast as "unsigned" to avoid warning.
4450 * rtl.texi (RTX_FRAME_RELATED_P): Revise entry to emphasize better
4451 explain which instructions must be marked.
4453 2001-02-01 Richard Henderson <rth@redhat.com>
4455 * local-alloc.c (update_equiv_regs): Copy INSN_CODE to the
4458 2001-02-01 Alexandre Oliva <aoliva@redhat.com>
4460 * config/sh/crt1.asm (main_k): Modified so that start calls
4461 ___setup_argv_and_call_main.
4463 2001-02-01 Neil Booth <neil@daikokuya.demon.co.uk>
4465 * cpphash.h (struct cpp_buffer): Move saved_flags from cpp_reader.
4466 * cpplex.c (_cpp_lex_token): New token picks up the saved flags,
4467 and AVOID_LPASTE is cleared on meeting an unescaped newline.
4468 * cppmacro.c (builtin_macro): Set builtin flags here.
4469 (paste_all_tokens): Preserve AVOID_LPASTE on pasted token.
4470 (replace_args): Clarify intent.
4471 (cpp_get_token): Macro expansion tokens get the saved flags.
4473 * cppmain.c (scan_buffer): Remove now-redundant print.printed
4476 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
4478 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Reverse change of
4481 Thu Feb 1 07:22:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4483 * builtins.c (expand_builtin_alloca): allocate_dynamic_stack_space
4484 returns Pmode pseudo, but we need ptr_mode.
4485 * explow.c (allocate_dynamic_stack_space): Use plus_constant.
4486 Remove bogus conversions; use HOST_WIDE_INT for size.
4487 Don't use TARGET if wrong mode.
4489 * config/i386/i386.c (ix86_compute_frame_size): Allow
4490 stack_alignment_needed to be non-default even if size is zero.
4492 2001-01-31 Alan Modra <alan@linuxcare.com.au>
4494 * pa.c (hppa_init_pic_save): New function.
4495 * pa.h (hppa_init_pic_save): Declare.
4496 * pa.md (call, call_value, sibcall, sibcall_value): Use
4497 the above instead of duplicated code.
4499 * pa.c (hppa_encode_label): Correct size of alloca buffer
4500 so we don't overrun it. Correct leading `*' case.
4501 * pa.h (STRIP_NAME_ENCODING): Simplify now that we don't
4502 need to handle `*@'.
4503 (FUNCTION_NAME_P): Likewise.
4505 2001-01-31 Richard Henderson <rth@redhat.com>
4507 * config.gcc (alpha-osf5): Use float-i128.h.
4509 * config/float-i128.h (FLT_EVAL_METHOD, DECIMAL_DIG): Define.
4510 * config/float-i32.h: Likewise.
4511 * config/float-i64.h: Likewise.
4512 * config/float-sh.h: Likewise.
4513 * config/float-sparc.h: Likewise.
4515 2001-01-31 DJ Delorie <dj@redhat.com>
4517 * expmed.c (extract_bit_field): allow non-integral modes if we
4518 want to extract a whole register from itself.
4520 2001-01-31 Jakub Jelinek <jakub@redhat.com>
4522 * c-typeck.c (set_init_index): If first is equal to last, assume as
4523 if it was not a range at all.
4525 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
4527 * config/fp-bit.c: Include tm.h.
4528 (float_to_si): Don't assume SImode is 32-bits wide.
4529 (float_to_usi): Likewise.
4531 2001-01-31 Joseph S. Myers <jsm28@cam.ac.uk>
4533 * c-parse.in (structsp): Pedwarn when "enum foo" refers to an
4535 (typename): Call pending_xref_error after parsing typed_typespecs.
4536 * c-decl.c (lookup_tag): Give error immediately rather than
4537 leaving it pending if the tag of the wrong type is in the same
4539 (xref_tag): Don't pedwarn for forward declarations of enum types
4541 * gcc.texi (Actual Bugs): Remove entry for misuse of struct, union
4544 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
4546 * config/float-sparc.h (LDBL_MAX) [sparc32]: Fix typo.
4548 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
4550 * cpplib.c (T_ELIF): Move to STDC89, not that it matters.
4551 (_cpp_handle_directive): Suggest not using #elif with -Wtraditional.
4553 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
4555 * cpphash.h (struct cpp_reader): New saved_flags.
4556 * cppmacro.c (cpp_get_token): Use saved_flags to remember
4557 to avoid a paste after a pasted token.
4559 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
4561 * libgcc2.h (Wtype_MAX, Wtype_MIN): Define.
4562 * libgcc2.c (__fixunssfSI, __fixunsdfSI, __fixunsxfSI): Use
4563 Wtype_MIN instead of LONG_MIN.
4565 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
4567 * fixinc/fixincl.tpl: Add 2001 to copyright. Change name of
4569 * fixinc/fixincl.x: Regenerated.
4570 * fixinc/inclhack.def (irix_limits_const): New definition to
4571 convert "const" to "__const" in limits.h.
4573 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
4575 * fixinc/genfixes (AG): Fix "autogen4" thinko.
4577 2001-01-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4579 * regmove.c (try_auto_increment): Change REG_DEAD into REG_UNUSED
4580 when register dies in the insn.
4582 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
4584 * diagnostic.c (fatal): Fix word wrap.
4586 2001-01-30 Alexandre Oliva <aoliva@redhat.com>
4588 * combine.c (try_combine): Fix SUBREG setting for
4589 HOST_BITS_PER_WIDE_INT >= 2 * BITS_PER_WORD.
4591 2001-01-30 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4593 * jump.c (comparison_dominates_p): Don't try to handle UNKNOWN
4596 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
4598 * c-decl.c (c_expand_body): Check TYPE_SIZE_UNIT (ret_type)
4600 * toplev.c (decode_W_option): Update warn_larger_than
4601 unconditionally for each processed switch.
4603 2001-01-30 John David Anglin <dave@hiauly1.hia.nrc.ca>
4605 * pa.c (pa_init_machine_status): Initialize pic_offset_table_save_rtx
4607 (hppa_expand_prologue): Delete code to save pic offset table register
4608 in the function prologue.
4609 * pa.h (PIC_OFFSET_TABLE_SAVE_RTX): Correct type in comment.
4610 * pa.md (call, call_value, sibcall, sibcall_value): Save the pic offset
4611 table register at the beginning of the function after the prologue.
4613 2001-01-29 lars brinkhoff <lars@nocrew.org>
4615 * tm.texi (PUSH_ROUNDING): Remove duplicate lines.
4617 2001-01-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
4618 Jeff Law <law@redhat.com>
4620 * pa.md (return): Revise comment for trivial return.
4621 (return_internal): Non-trivial return pattern for non-PIC code.
4622 (return_internal_pic): Non-trivial return pattern for PIC code.
4623 It uses the PIC register to ensure it is restored after
4625 (epilogue): Generate appropriate return for PIC and non-PIC code.
4627 Mon Jan 29 23:53:14 2001 Christopher Faylor <cgf@cygnus.com>
4629 * config/i386/cygwin.h: Fix -mno-cygwin search path for link.
4631 2001-01-29 DJ Delorie <dj@redhat.com>
4633 * combine.c (if_then_else_cond): Pass the correct mode to
4634 operand_subword() for constants.
4636 Mon Jan 29 20:38:19 2001 Christopher Faylor <cgf@cygnus.com>
4638 * config/i386/cygwin.h: Add w32api to include search. Search different
4639 directories in a cross-build environment.
4641 2001-11-29 Tim Josling <tej@melbpc.org.au>
4643 * tree.h (TYPE_STUB_DECL): Add documentation.
4645 2001-11-29 Laurynas Biveinis <lauras@softhome.net>
4647 * sdbout.c (sdbout_one_type): Skip types with indeterminate size.
4648 (sdbout_field_types): Likwise. Fix use of host_integerp.
4650 2001-01-29 Thomas Pfaff <tpfaff@gmx.net>
4652 * mingw32.h: Override STARTFILE_SPEC and LINK_SPEC declared in
4655 2001-01-29 Jeffrey Oldham <oldham@codesourcery.com>
4657 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Revise definition
4658 to use flag_gnu_linker.
4660 2001-01-29 Neil Booth <neil@daikokuya.demon.co.uk>
4662 * cpplib.c (T_BAD_DIRECTIVE): Remove.
4663 (_cpp_init_stacks): Loop from 0 to N_DIRECTIVES - 1.
4665 2001-01-29 Joseph S. Myers <jsm28@cam.ac.uk>
4667 * tree.c, tree.h (build_parse_node): Remove; was identical to
4669 * c-lang.c (start_cdtor), objc/objc-act.c
4670 (build_module_descriptor): Use build_nt instead of
4673 2001-01-29 Jakub Jelinek <jakub@redhat.com>
4675 * config/i386/i386.md (addqi_1_lea): Fix mode (QI instead of HI).
4676 (testqi_1, andqi_2): If widening to SImode, make sure CONST_INT does
4677 not have any upper bits set.
4679 2001-01-29 Phil Edwards <pme@sources.redhat.com>
4681 * COPYING.LIB: Update to LGPL 2.1 from the FSF.
4683 2001-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4685 * stmt.c (estimate_case_costs): Use integer_minus_one_node.
4687 * tree.c (build_common_tree_nodes_2): Set integer_minus_one_node.
4689 * tree.h (tree_index): Add new element TI_INTEGER_MINUS_ONE.
4690 (integer_minus_one_node): Define.
4692 2001-01-28 Alexandre Oliva <aoliva@redhat.com>
4694 * Makefile.in (bootstrap2-lean): Fix typo.
4696 2001-01-28 Neil Booth <neil@daikokuya.demon.co.uk>
4698 * cpphash.c (_cpp_cleanup_hashtable, _cpp_lookup_with_hash)
4699 : Don't set fe_value.
4700 * cpplib.h (AVOID_LPASTE): New flag.
4701 (struct cpp_hashnode): Remove fe_value.
4702 * cpplex.c (cpp_avoid_paste): Don't paste '.' with a number.
4703 * cppmacro.c (builtin_macro): Don't set flags here.
4704 (replace_args): Set AVOID_LPASTE flag on first token of an
4705 argument, and the token following it.
4706 (cpp_get_token): Set AVOID_LPASTE flag on first token of a
4707 macro expansion, and on the token following it. Do it for
4709 * cppmain.c (scan_buffer): Avoid pasting only flagged tokens.
4711 2001-01-27 Richard Henderson <rth@redhat.com>
4713 * config/alpha/t-ieee: Remove multilibbing.
4714 (TARGET_LIBGCC2_CFLAGS): Add -mieee.
4716 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4718 * configure.in: Arrange to include defaults.h in [ht]config.h/tm.h.
4720 * Makefile.in: Remove all dependencies on defaults.h.
4721 * builtins.c: Don't include defaults.h.
4722 * c-common.c: Likewise.
4723 * c-decl.c: Likewise.
4724 * c-pragma.c: Likewise.
4725 * c-typeck.c: Likewise.
4726 * combine.c: Likewise.
4728 * frame-ia64.c: Likewise.
4729 * cppexp.c: Likewise.
4730 * crtstuff.c: Likewise.
4731 * dbxout.c: Likewise.
4732 * dwarf2out.c: Likewise.
4733 * dwarfout.c: Likewise.
4734 * emit-rtl.c: Likewise.
4735 * except.c: Likewise.
4737 * final.c: Likewise.
4738 * frame-dwarf2.c: Likewise.
4739 * libgcc2.c: Likewise.
4740 * optabs.c: Likewise.
4741 * profile.c: Likewise.
4742 * sdbout.c: Likewise.
4743 * toplev.c: Likewise.
4744 * tradcif.y: Likewise.
4746 * varasm.c: Likewise.
4748 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4750 * builtins.c (expand_builtin_fputs): Use size_one_node when
4751 transforming into fwrite.
4753 2001-01-27 Joseph S. Myers <jsm28@cam.ac.uk>
4755 * extend.texi (Attribute Syntax): New section.
4757 2001-01-27 Michael Sokolov <msokolov@ivan.Harhan.ORG>
4759 * fixproto: Correctly install synthesised unistd.h and stdlib.h when
4760 they didn't need fixing.
4762 2001-01-27 Janis Johnson <janis@us.ibm.com>
4764 * config.gcc (i[34567]86-sequent-{ptx4*,sysv4*}): Use usegas.h
4766 * config/ptx4.h: Several fixes to build on DYNIX/ptx v4.[456], and
4767 to remove macro definitions that are duplicated from elfos.h.
4769 2001-01-27 Richard Henderson <rth@redhat.com>
4771 * config/i386/sco5gas.h: Move ...
4772 * config/usegas.h: ... here.
4773 * config.gcc (i[34567]86-*-sco3.2v5) [tm_file]: Update.
4775 2001-01-27 Jakub Jelinek <jakub@redhat.com>
4777 * c-typeck.c (struct constructor_stack): Add range_stack member.
4778 (really_start_incremental_init): Clear it.
4779 (push_init_level): Save constructor_range_stack and clear it if
4780 pushing explicit braces.
4781 (pop_init_level): abort if constructor_range_stack is non-zero at
4782 explicit closing brace. Restore saved constructor_range_stack if
4785 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
4787 * expr.c (emit_move_insn): Add REG_EQUAL note when constant loaded
4788 into register was forced into memory.
4790 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
4792 * Makefile.in: Remove uses of + before $(MAKE).
4794 2001-01-26 Richard Henderson <rth@redhat.com>
4796 * stmt.c (cost_table): Remove.
4797 (COST_TABLE, cost_table_initialized): New.
4798 (estimate_case_costs): Use the later instead of the former.
4799 (balance_case_nodes): Likewise.
4801 2001-01-26 Richard Henderson <rth@redhat.com>
4803 * alias.c (objects_must_conflict_p): Read-only slots may not
4804 conflict despite having the same type.
4806 2001-01-27 Michael Hayes <mhayes@redhat.com>
4808 * loop.c (loop_giv_reduce_benefit): Copy mode size into
4810 (check_ext_dependant_givs): Initialise u_start_val and
4812 (load_mems): Make last_max_reg unsigned.
4813 (try_swap_copy_prop): Use INSN_P and initialise set.
4815 Fri Jan 26 23:22:58 2001 Denis Chertykov <denisc@overta.ru>
4817 * README.AVR : Removed.
4819 Fri Jan 26 11:37:26 2001 Jeffrey A Law (law@cygnus.com)
4821 * pa-64.h (text_section): Remove declaration.
4823 * pa.md (return_internal): Remove mode on PIC register use.
4825 2001-01-25 lars brinkhoff <lars@nocrew.org>
4827 * tm.texi (DATA_ALIGNMENT, LOCAL_ALIGNMENT, ASM_OPEN_PAREN,
4828 ASM_CLOSE_PAREN): fix typos.
4830 2001-01-25 Mark Mitchell <mark@codesourcery.com>
4832 * acconfig.h: Define `const' to the empty string if neither
4833 __STDC__ nor __cplusplus is defined.
4834 * config.in: Regenerated.
4836 2001-01-25 David Edelsohn <edelsohn@gnu.org>
4838 * config.gcc (rs6000-ibm-aix[5-9]*): Change to aix51.h.
4839 * collect2.c (main): Delete importf. Add ".obj" file extension.
4840 (GCC_CHECK_HDR): Handle AIX V5 new magic number.
4841 (aix_std_libs): Add additional AIX libraries to skip.
4842 * config/rs6000/aix.h (MY_ISCOFF): Add AIX V5 new magic number.
4843 * config/rs6000/aix51.h: New file.
4845 2001-01-25 Michael Hayes <mhayes@redhat.com>
4847 * loop.c (loop_call_insn_emit_before, loop_call_insn_hoist): New.
4848 (loop_insn_emit_before): No longer static.
4849 (move_movables): Replace emit_insn_after with loop_insn_emit_after.
4850 (loop_givs_rescan, load_mems): Likewise.
4851 (check_dbra_loop): Replace emit_insn_before with loop_insn_emit_before.
4852 (maybe_eliminate_biv_1):
4853 (move_movables): Replace emit_call_insn_before with
4854 loop_call_insn_hoist.
4855 * loop.h (loop_insn_emit_before): Add.
4856 * unroll.c (copy_loop_body): Replace emit_insn_before with
4857 loop_insn_emit_before.
4859 2001-01-25 Neil Booth <neil@daikokuya.demon.co.uk>
4861 * diagnostic.c (fatal): Request preprocessed source.
4863 Thu Jan 25 02:01:16 2001 J"orn Rennecke <amylaar@redhat.com>
4865 * c-decl.c (duplicate_decls): If different_binding_level is nonzero,
4866 olddecl has argument types and newdecl has none, use the argument
4869 2001-01-24 Ulrich Drepper <drepper@redhat.com>
4871 * dwarf2out.c (prefix_of): New function. Determine longest common
4872 prefix of the two arguments. The units are whole path components.
4873 (output_file_names): When adding a new directory find the one entry
4874 with the longest common prefix already in the list. Artificially
4875 generate entry if there is none for this prefix.
4876 Fix test to check whether the zeroth directory entry is used.
4878 Wed Jan 24 23:51:55 2001 J"orn Rennecke <amylaar@redhat.com>
4880 * reload1.c (reload_reg_free_for_value_p): New parameter start_regno.
4881 Changed all callers. Take it into account when deciding if a
4882 previously loaded value matches.
4884 2001-01-24 Richard Henderson <rth@redhat.com>
4886 * reload.c (find_reloads_subreg_address): Fail the substitution
4887 if the resulting address is insufficiently aligned.
4889 2001-01-24 DJ Delorie <dj@redhat.com>
4891 * combine.c (combine_simplify_rtx): If the modes are all VOIDmode,
4892 check the original operand's mode also.
4893 * simplify-rtx.c (simplify_ternary_operation): Ditto.
4895 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
4897 * c-parse.in (cast_expr): Move compound literals from here ...
4898 (primary): ... to here. Use standard terminology "compound
4899 literal" instead of "constructor expression".
4901 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
4903 * gcc.1, cpp.1: Regenerate.
4905 2001-01-24 Alexandre Oliva <aoliva@redhat.com>
4907 * calls.c (emit_library_call_value_1): Memory slot for
4908 pass-by-reference argument should have the mode of the argument,
4909 not of the pointer to it.
4911 2001-01-24 Tom Tromey <tromey@redhat.com>
4913 * gcc.texi (G++ and GCC): Mention gcj manual.
4914 (Standards): Link to section of manual mentioning gcj/Java
4917 2001-01-24 Jakub Jelinek <jakub@redhat.com>
4919 * cppfiles.c (_cpp_read_file): Add to dependencies if requested.
4920 * cppinit.c (cpp_start_read): Remove deps_add_dep call.
4921 * tradcpp.c (main): Add -imacros or -include'd dependencies
4923 * cpp.texi (-M, -MM): Document -M -include behaviour.
4925 2001-01-24 Roger Collins <roger@ProProject.com>
4927 * config/i386/xm-i386.h: Make __i386__ a boolean macro.
4929 2001-01-24 Will Cohen <wcohen@redhat.com>
4931 * config/mips/abi64.h (RETURN_IN_MEMORY): Always take into account
4932 whether registers are 32 bits or 64 bits in size.
4934 2001-01-24 Ben Elliston <bje@redhat.com>
4936 * config/m32r/m32r.h (PREDICATE_CODES): Remove m32r_not_same_reg.
4938 2001-01-24 Richard Henderson <rth@redhat.com>
4940 * config/alpha/alpha.md (builtin_longjmp_internal): New.
4941 (builtin_longjmp): Use it instead of emit_indirect_jump.
4943 2001-01-23 John David Anglin <dave@hiauly1.hia.nrc.ca>
4945 * bb-reorder.c (make_reorder_chain_1): Handle case where
4946 jump edge goes to the same block as the fallthru edge.
4948 2001-01-23 Jim Wilson <wilson@redhat.com>
4950 * dwarf2out.c (dwarf2out_line): Make last_file_num be unsigned.
4951 * frame.h (__ia64_personality_v1): Add prototype.
4952 * libgcc2.c (ia64_throw_helper): Change personality declaration to
4953 prototype form. Add void * cast to first argument to personality
4955 * real.c (e113toe): Surround with INTEL_EXTENDED_IEEE_FORMAT ifdefs.
4956 (asctoe113): Likewise.
4957 * config/ia64/frame-ia64.c: Include eh-common.h.
4958 * config/ia64/ia64-protos.h (sdata_section, sbbs_section): Add
4960 * config/ia64/ia64.c (emit_insn_group_barriers): Add ATTRIBUTE_UNUSED
4962 (itanium_split_issue): Add prototype.
4963 (gen_nop_type): Ifdef out.
4964 (find_best_packet): Initialize best_packet.
4965 (ia64_encode_section_info): New local string. Use for ggc_alloc_string
4967 * config/ia64/ia64.h (ASM_OUTPUT_LONG_DOUBLE): Use 0L not 0.
4968 * config/ia64/ia64.md (bsp_value): Add explicit stop bit at start.
4969 (flushrs): Add explicit stop bit at end.
4970 * config/ia64/lib1funcs.asm (__ia64_restore_stack_nonlocal): Change
4973 2001-01-23 Chris Demetriou <cgd@broadcom.com>
4975 * libgcc-std.ver (GCC_3.0): Add __terminate_func_set to list
4977 * libgcc2.c (__terminate_func): Make variable static.
4978 (__terminate_set_func): New function to set __terminate_func.
4979 * libgcc2.h (__terminate_func_ptr): New typedef.
4980 (__terminate_set_func): New function.
4982 2001-01-23 Richard Henderson <rth@redhat.com>
4984 * flow.c (init_propagate_block_info): Don't consider unchanging
4985 memories for dead frame store elimination.
4987 2001-01-23 Richard Henderson <rth@redhat.com>
4989 * varasm.c (UNIQUE_SECTION): Move default implementation ...
4990 * defaults.h: ... here.
4992 2001-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4994 * c4x.h (TARGET_LOAD_DIRECT_MEMS): Define.
4996 2001-01-23 Neil Booth <neil@daikokuya.demon.co.uk>
4998 * c-lex.c (lex_charconst): Fix typo: s/p/str.
5000 2001-01-23 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5002 * rs6000.h (rs6000_return_addr): Move prototype from here...
5003 * rs6000-protos.h (rs6000_return_addr): ...to here.
5004 (rs6000_init_expanders): Delete prototype.
5006 2001-01-23 Nick Clifton <nickc@redhat.com>
5008 * invoke.texi: Replace , with \, inside @gccoptlist macros.
5009 (Spec Files): Document %B and %j and %. and %v3 and %M and
5010 %{S*&T} spec switches.
5012 2001-01-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5014 * c4x.c (c4x_r11_set_p): Calculate rtx code correctly.
5016 2001-01-23 Chris Demetriou <cgd@sibyte.com>
5017 Neil Booth <neil@daikokuya.demon.co.uk>
5019 * cpperror.c: Merge handlers of PEDWARN and WARNING.
5020 Have -Werror make pedantic warnings errors, like the
5023 2001-01-23 Phil Edwards <pme@sources.redhat.com>
5025 * c-tree.texi (IDENTIFIER_LENGTH): Fix typo.
5027 2001-01-23 Jakub Jelinek <jakub@redhat.com>
5029 * integrate.h (struct inline_remap): Add compare_src, compare_mode.
5030 * integrate.c (expand_inline_function): Initialize them.
5031 (subst_constants): If changing COMPARE so that both its arguments
5032 will be VOIDmode and the comparison mode will be lost, note
5033 compare_mode. Use the recorded compare_mode to optimize
5036 2001-01-23 Jason Merrill <jason@redhat.com>
5038 * dwarf2out.c (new_die): Use xcalloc.
5039 (output_die): Abort rather than emit a local reference to offset 0.
5041 2001-01-17 Andrew Haley <aph@redhat.com>
5043 * libgcc2.c (get_reg_addr): Don't abort if we haven't got a copy
5044 of a saved register; return NULL instead.
5045 (copy_reg): Take a pointer to a source register rather than a
5047 (next_stack_level): Remember the address in the stack frame of all
5049 Use the saved register pointer array as the source of the CFA.
5050 (throw_helper): Rewrite. Unwind once rather than twice and keep
5051 track of saved registers as we go.
5053 2001-01-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5055 * c4x-protos.h (c4x_legitimize_reload_address): Remove.
5056 * c4x.c (c4x_legitimize_reload_address): Remove.
5057 * c4x.h (LEGITIMIZE_RELOAD_ADDRESS): Rewrite to generate correct
5058 reload address for ldp(k) insn.
5060 Mon Jan 22 20:53:47 2001 Jeffrey A Law (law@cygnus.com)
5062 * pa.md (return_internal): Add a USE of the PIC register to ensure
5063 it is restored after each call.
5064 (return expander): Corresponding changes.
5066 2001-01-22 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5068 * rs6000.h (INIT_EXPANDERS): Delete.
5069 (RETURN_ADDR_RTX): Call rs6000_return_addr().
5070 * rs6000.c (rs6000_override_options): Call *_machine_status from
5072 (rs6000_init_expanders): ...instead of here. Delete.
5073 (rs6000_mark_machine_status): New function.
5074 (rs6000_init_machine_status): Use xcalloc.
5075 (rs6000_return_addr): Generate RTX for the return address.
5076 (rs6000_ra_ever_killed): New, check if LR was ever destroyed.
5077 (rs6000_stack_info): Use it.
5079 2001-01-22 Thomas Pfaff <tpfaff@gmx.net>
5081 * gthr-win32.h: Include errno.h to get a declaration for
5082 EINVAL and _mingw.h if the target is mingw32.
5084 2001-01-22 Andres Felipe Vargas <avargas@teletulua.com.co>
5086 * cpp.texi: Correct typos.
5088 Mon Jan 22 13:59:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5090 * explow.c (probe_stack_range): Ensure value passed to
5091 stack_check_libfunc is ptr_mode, not Pmode.
5093 Mon Jan 22 16:53:06 2001 J"orn Rennecke <amylaar@redhat.com>
5095 * recog.c (validate_replace_rtx_1): In ZERO_EXTEND / SIGN_EXTEND
5096 case, don't use operand_subword to calculate a SUBREG that is
5099 * rtl.texi: Comparisons yield 0 or STORE_FLAG_VALUE.
5101 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5103 * c4x.c (c4x_valid_rptb_p, c4x_label_ref_used_p): New functions.
5104 (c4x_rptb_insert): Call c4x_valid_rptb_p to check if repeat block is
5105 valid. If not replace it by equivalent insns.
5107 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5109 * c4x.c (c4x_check_legit_addr): Only check CONST. Not if CONST
5110 contains SYMBOL_REF, LABEL_REF and CONST_INT.
5111 (c4x_U_constraint, symbolic_address_operand): Likewise.
5112 (c4x_immed_float_constant): Do not check if CONST_DOUBLE is in
5114 (c4x_r11_set_p, c4x_check_laj_p): New functions.
5115 * c4x-protos.h (c4x_check_laj_p): Add prototype.
5116 * c4x.md (in_annul_slot_3): Do not allow auto-increment in last
5117 anulling slot because of silicon bug.
5118 (laj, lajv): Call c4x_check_laj_p to check for silicon bug.
5120 2001-01-22 Alan Modra <alan@linuxcare.com.au>
5122 * cppexp.c (parse_charconst): Change `mask' type to agree
5125 2001-01-21 Richard Henderson <rth@redhat.com>
5127 * config/i386/i386.c (ix86_asm_file_end): Disable putting
5128 pic_label_name in a linkonce section.
5130 2001-01-17 Philipp Thomas <pthomas@suse.de>
5132 * aclocal.m4 (AM_WITH_NLS): Add -lintl to LIBS if gettext was
5134 * configure: Regenerate.
5136 Sun Jan 21 02:38:56 2001 J"orn Rennecke <amylaar@redhat.com>
5138 * expmed.c (synth_mult, expand_mult_highpart, expand_divmod): Guard
5139 uses of shift_cost, shiftadd_cost and shiftsub_cost with bound checks.
5141 Sun Jan 21 09:44:17 2001 Denis Chertykov <denisc@overta.ru>
5143 * config/avr/avr.c (ret_cond_branch): New argument (reverse) added.
5144 If REVERSE nonzero then condition code in X must be reversed.
5145 (encode_section_info): Optimise if/else.
5146 (avr_function_value): Fix formatting.
5148 * config/avr/avr.md (branch): Call to ret_cond_branch changed.
5149 (difficult_branch): Likewise.
5150 (rvbranch): Likewise.
5151 (difficult_rvbranch): Likewise.
5153 * config/avr/avr-protos.h (ret_cond_branch): Prototype changed.
5155 * config/avr/libgcc.S: Fix comment.
5157 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
5159 * sdbout.c (PUT_SDB_DEF): Fix after last bogus change.
5161 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
5163 * cppinit.c (INO_T_EQ): Don't use #elif, fix formatting.
5165 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
5167 * aclocal.m4 (gcc_AC_FUNC_STRSTR): New macro.
5168 * configure.in (gcc_AC_FUNC_STRSTR): Add invokation.
5169 * configure, config.in: Regenerate.
5170 * Makefile.in (STRSTR, HOST_STRSTR, USE_HOST_STRSTR): New variables.
5171 (LIBDEPS, HOST_LIBDEPS, LIBS, HOST_LIBS): Add strstr handling.
5172 (strstr.o, $(HOST_PREFIX_1)strstr.o): New rules.
5173 (doprint.o): New rule.
5175 2001-01-20 Joseph S. Myers <jsm28@cam.ac.uk>
5177 * c-typeck.c (digest_init): Handle boolean types as scalars.
5179 Sat Jan 20 12:46:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5181 * stmt.c (expand_return): Don't return anything if size is zero.
5182 Delete redundant assignment to BYTES.
5183 * expr.c (move_block_from_reg): Do nothing if NREGS is zero.
5185 2001-01-20 Marek Michalkiewicz <marekm@linux.org.pl>
5187 * config/avr/avr.h (INIT_TARGET_OPTABS): Remove most of it, was
5188 the same as the default library function names.
5189 * config/avr/avr.md: Document special characters after '%'.
5190 (mulqi3, mulhi3, mulsi3): Call libgcc.S functions ourselves,
5191 knowing which of the call-used registers are really clobbered.
5192 (divmodqi4, udivmodqi4, divmodhi4, udivmodhi4, divmodsi4, udivmodsi4):
5193 New. Both quotient and remainder from one libgcc.S call.
5194 * config/avr/libgcc.S: Optimize mul/divmod for the new insns above,
5195 clobber as few registers as possible.
5196 * config/avr/t-avr (LIB1ASMFUNCS): Adjust for the above changes.
5198 2001-01-20 Neil Booth <neil@daikokuya.demon.co.uk>
5200 * cppmacro.c (funlike_invocation_p): Don't move back up to the
5201 context of the top of the stack.
5203 2001-01-20 Jakub Jelinek <jakub@redhat.com>
5205 * function.c (fixup_var_refs): Move CALL_PLACEHOLDER handling...
5206 (fixup_var_refs_insns): ...here.
5208 2001-01-20 Zack Weinberg <zack@wolery.stanford.edu>
5210 * function.c (fixup_var_refs_insns): Break up into
5211 fixup_var_refs_insn [body of loop], fixup_var_refs_insns
5212 [loop over entire insn list], and fixup_var_refs_insns_with_hash
5213 [loop over hash table entries].
5214 (fixup_var_refs): Adjust calls to fixup_var_refs_insns and/or
5215 fixup_var_refs_insns_with_hash, to match above changes.
5217 2001-01-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
5219 * Makefile.in (ORDINARY_FLAGS_TO_PASS): Add MAKEOVERRIDES variable.
5220 (libgcc.a): Likewise.
5221 (stmp-multilib): Likewise.
5222 (STAGE2_FLAGS_TO_PASS): Likewise.
5224 2001-01-19 Alexandre Oliva <aoliva@redhat.com>
5226 * config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as
5227 temporary if no_new_pseudos.
5229 2001-01-19 Neil Booth <neil@daikokuya.demon.co.uk>
5231 * cppinternals.texi: Update.
5233 2001-01-19 Richard Earnshaw <rearnsha@arm.com>
5235 * arm.c (arm_init_builtins): Re-enable builtins.
5237 Fri Jan 19 13:02:56 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5239 * rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility.
5240 * flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow
5241 element to be null, and always expect an EXPR_LIST.
5242 * rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise.
5243 * sched-deps.c (sched_analyze_1): Likewise.
5244 * sched-rgn.c (check_live_1, update_live_1): Likewise.
5246 * regclass.c (max_set_parallel): New variable.
5247 (reg_scan): Take it into account in computation of max_parallel.
5248 (reg_scan_mark_refs, case SET): Compute it.
5250 * alias.c (rtx_equal_for_memref_p, case ADDRESSOF): Don't assume
5252 * expr.c (store_constructor): Don't look at MEM_ALIAS_SET unless MEM.
5253 * function.c (assign_parms): Use INTVAL for a CONST_INT.
5255 2001-01-19 Jason Merrill <jason@redhat.com>
5257 * dwarf2out.c (gen_subprogram_die): Don't reuse the in-class decl
5258 for the abstract instance of an inline function.
5260 Fri Jan 19 14:31:35 2001 Alexandre Oliva <aoliva@redhat.com>
5261 J"orn Rennecke <amylaar@redhat.com>
5263 * reload1.c (move2add_note_store): Treat all registers directly or
5264 indirectly derived from a base register as members of the same set
5266 (reload_cse_move2add): Adjust accordingly. Take mode and offset
5267 of base register into account.
5269 Fri Jan 19 09:18:42 2001 J"orn Rennecke <amylaar@redhat.com>
5271 * alias.c (find_base_value): Recognize TRUNCATE.
5272 (record_set): In PLUS case, invalidate if other summand is also a
5275 Thu Jan 18 06:43:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5277 * flow.c (mark_set_1, case PARALLEL): New case; rework to allow
5278 entry to be EXPR_LIST.
5279 * rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to
5280 be an EXPR_LIST (but not null, which other code doesn't allow).
5281 (note_stores): Properly handle PARALLEL in SET.
5282 Recursively call for top-level PARALLEL.
5283 * sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET.
5284 * sched-rgn.c (check_live_1, update_live_1): Likewise.
5286 * config.gcc (rs6000-ibm-aix*, rs6000-bull-bosx): Add rs6000/aix.h.
5288 2001-01-18 Neil Booth <neil@daikokuya.demon.co.uk>
5290 * cpplib.c (_cpp_handle_directive): Use buffer->was_skipping,
5291 not pfile->skipping (== 0).
5293 2001-01-17 Nick Clifton <nickc@redhat.com>
5295 * config/rs6000/rs6000.c: Add prototypes for {init|free}_
5298 2001-01-17 Jim Wilson <wilson@redhat.com>
5300 * invoke.texi (IA-64 options): Improve.
5302 2001-01-17 Tom Tromey <tromey@redhat.com>
5304 * invoke.texi (Optimize Options): Use `{}' to around @samp
5307 2001-01-17 Aldy Hernandez <aldyh@redhat.com>
5309 * invoke.texi (-fno-guess-branch-probability): New option.
5311 Wed Jan 17 13:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5313 * combine.c (try_combine): Don't set i3_subst_into_i2 for
5314 case of making new double-word constant.
5315 Revert last change: instead just test i3_subst_into_i2.
5317 2001-01-17 Jakub Jelinek <jakub@redhat.com>
5319 * config/i386/i386.md (cmpqi_minus_1): Use {b} for QImode operation.
5320 Use q constraints instead of r.
5322 Tue Jan 16 22:23:04 2001 Alan Modra (alan@linuxcare.com.au)
5324 * config/pa/pa.h (PIC_OFFSET_TABLE_REGNUM_SAVED): Remove.
5325 (machine_function): Define.
5326 (PIC_OFFSET_TABLE_SAVE_RTX) : Define.
5327 * config/pa/pa.c (pa_init_machine_status, pa_mark_machine_status,
5328 pa_free_machine_status): New functions.
5329 (override_options): Set {init,mark,free}_machine_status to above.
5330 (hppa_expand_prologue): Use PIC_OFFSET_TABLE_SAVE_RTX instead of
5331 PIC_OFFSET_TABLE_REGNUM_SAVED.
5332 * config/pa/pa.md: Use PIC_OFFSET_TABLE_SAVE_RTX instead of
5333 PIC_OFFSET_TABLE_REGNUM_SAVED throughout.
5334 * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Remove
5335 references to PIC_OFFSET_TABLE_REGNUM_SAVED.
5336 * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
5338 2001-01-15 DJ Delorie <dj@redhat.com>
5340 * Makefile.in (gcov.1): Protect against texi2pod/pod2man failing.
5344 Tue Jan 16 17:20:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5346 * flow.c (propagate_on_insn): Make trying to delete a prologue
5347 or epilogue insn an ICE, not a warning. Allow doing this if
5348 the current function returns with stack pointer depressed.
5350 * combine.c (try_combine): If i3_subst_into_i2, properly check for
5351 I3 having more than one SET.
5353 2001-01-16 Jim Wilson <wilson@redhat.com>
5355 * invoke.texi: Document IA-64 options.
5357 * config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support.
5358 (fixup_errata): Delete TARGET_A_STEP use.
5359 * config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete.
5360 (TARGET_SWITCHES): Delete -ma-step option.
5361 * config/ia64/ia64.md (all FP patterns): Delete %B0.
5362 (movqicc_astep, movqi_internal_astep, movhicc_astep,
5363 movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1,
5364 movdi_internal_astep, movsfcc_astep, movsf_internal_astep,
5365 movdfcc_astep, movdf_internal_astep, movtfcc_astep,
5366 movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep):
5368 (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
5369 movsf_internal, movdf_internal, movtf_internal, cmovdi_internal,
5370 cmovsi_internal): Delete ! TARGET_A_STEP check.
5372 2001-01-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
5374 * gcc.texi (Bug Lists): Do not mention newsgroups nor the
5375 possibility to report bugs via postal mail. Change a URL and
5376 merge in a nearly duplicate statement...
5377 (Bug Reporting): ...from here.
5378 (Service): Refer to the Bug Reporting section instead of
5380 (Contributing): Remove trivial explanations concerning snapshots.
5382 2001-01-16 Alan Modra <alan@linuxcare.com.au>
5384 * cppmain.c (general_init): Don't use ANSI prototype.
5386 2001-01-16 Tom Tromey <tromey@redhat.com>
5388 * gcc.c (cpp_options): Added `*' to specs for -MF, -MQ, and -MT.
5390 2001-01-16 Richard Henderson <rth@redhat.com>
5392 * config/i386/i386.h: Fix comment typo.
5393 * config/i386/i386.md (shift+compare pattern names): s/cmpno/cmp/
5394 (ashr+compare patterns): Match CCGOCmode not CCNOmode.
5396 2001-01-16 Phil Edwards <pme@sources.redhat.com>
5398 * gcc.c: Revert previous -fsyntax-only-related change; move
5401 2001-01-16 Jakub Jelinek <jakub@redhat.com>
5403 * config/i386/i386.c (fcmov_comparison_operator): Only initialize
5404 inmode after checking GET_CODE (op).
5406 2001-01-16 Richard Henderson <rth@redhat.com>
5408 * flow.c (struct propagate_block_info): Add mem_set_list_len.
5409 (MAX_MEM_SET_LIST_LEN): New.
5410 (propagate_one_insn): Update mem_set_list_len.
5411 (invalidate_mems_from_autoinc): Likewise.
5412 (invalidate_mems_from_set): Likewise.
5413 (mark_used_regs): Likewise.
5414 (init_propagate_block_info): Likewise. Stop collecting memories
5415 when we reach MAX_MEM_SET_LIST_LEN.
5416 (mark_set_1): Likewise.
5418 2001-01-16 Richard Henderson <rth@redhat.com>
5420 * unroll.c (precondition_loop_p): Fail if no iteration
5423 2001-01-16 Phil Edwards <pme@sources.redhat.com>
5425 * gcc.c: When -fsyntax-only is given, do not complain about
5428 2001-01-15 Richard Henderson <rth@redhat.com>
5430 * config/i386/i386.c (asm_output_function_prefix): Remove.
5431 (ix86_asm_file_end): New.
5432 (load_pic_register): Generate pic_label_name into a
5433 staticly allocated buffer.
5434 * config/i386/i386-protos.h: Update.
5435 * config/i386/i386.h (ASM_OUTPUT_FUNCTION_PREFIX): Remove.
5436 (ASM_FILE_END): New.
5437 * config/i386/i386afe.h: New file.
5438 * config.gcc (i?86-*-elf) [tm_file]: Use it.
5439 (i?86-*-{freebsd,linux*,moss*}): Likewise.
5440 * config/elfos.h (ASM_FILE_END): Undef before redefinition.
5441 * config/i386/cygwin.h (ASM_FILE_END): Likewise.
5442 * config/i386/osfrose.h (ASM_FILE_END): Invoke ix86_asm_file_end.
5443 * config/i386/sco5.h (ASM_FILE_END): Likewise.
5444 * config/i386/winnt.c (i386_pe_asm_file_end): Likewise.
5446 2001-01-15 Joseph S. Myers <jsm28@cam.ac.uk>
5448 * Makefile.in (install-man): Remove explicit dependency on
5451 * configure.in, configure: Revert previous patch requiring perl
5454 2001-01-12 Aldy Hernandez <aldyh@redhat.com>
5456 * toplev.c (flag_guess_branch_prob): New.
5457 (f_options): Add guess-branch-probability option.
5458 (rest_of_decl_compilation): Only estimate branch probability if
5460 (main): set flag_guess_branch_prob.
5462 * flags.h (flag_guess_branch_prob): New.
5464 2001-01-15 DJ Delorie <dj@redhat.com>
5466 * gcc.texi (Makefile): Add documentation for Makefile targets.
5468 2001-01-15 Philip Blundell <philb@gnu.org>
5470 * config/arm/arm.c (arm_finalize_pic): New arg "prologue".
5472 * config/arm/arm-protos.h (arm_finalize_pic): Update prototype.
5473 (is_pic): Delete declaration.
5474 * config/arm/arm.h (FINALIZE_PIC): Update call to arm_finalize_pic.
5475 (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address.
5476 * config/arm/arm.md (builtin_setjmp_receiver): New.
5478 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
5480 * arm.c (use_return_insn): Don't try to determine the function type
5481 until after reload has completed.
5482 (arm_output_epilogue): Don't adjust the sp value recovered from the
5484 (emit_multi_reg_push): Don't record dwarf information for the pc.
5485 * arm.md (eh_epilogue): The function type may have changed, so it
5486 needs to be recalculated.
5487 * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete. Can now use dwarf2
5488 unwind tables on arm/netbsd.
5490 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
5492 * arm.md (cbranchsi4): Correct calculation of branch ranges.
5493 (negated_cbranchsi4): Likewise.
5495 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
5497 * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define.
5498 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
5499 (ASM_SPEC): Call subtarget_extra_asm_spec. Don't
5500 pass -mapcs-* options to assembler.
5501 * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define.
5502 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
5503 (ASM_SPEC): Call subtarget_extra_asm_spec.
5505 2001-01-15 Andreas Jaeger <aj@suse.de>
5507 * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove
5509 (ix86_expand_builtin): Likewise.
5511 * gencodes.c (output_predicate_decls): Make i size_t to avoid
5512 warning about comparison between signed and unsigned.
5514 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
5516 * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs.
5518 2001-01-14 Ralf Baechle <ralf@gnu.org>
5520 * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change
5521 SUBTARGET_CPP_SPEC apropriatly.
5523 2001-01-12 Mark Mitchell <mark@codesourcery.com>
5525 * varasm.c (make_decl_rtl): Fix typo in last change.
5527 2001-01-14 Jeffrey Oldham <oldham@codesourcery.com>
5529 * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the
5530 linker supports the init_priority C++ attribute.
5531 * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro.
5532 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix
5533 linker does not support init_priority C++ attribute.
5535 Sun Jan 14 22:31:30 2001 J"orn Rennecke <amylaar@redhat.com>
5537 * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs.
5539 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
5541 * c-parse.in (finish_parse): Add comment about cpp_destroy.
5542 * cp/lex.c (finish_parse): Similarly.
5543 * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity.
5544 Return the number of errors encountered.
5545 * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int.
5546 * cppmain.c (main): Don't call cpp_destroy.
5548 2001-01-14 Joseph S. Myers <jsm28@cam.ac.uk>
5550 * configure.in: Require at least perl 5.6.0 to regenerate
5552 * configure: Regenerate.
5554 2001-01-14 Richard Henderson <rth@redhat.com>
5556 * genrecog.c (DT_veclen_ge): New.
5557 (add_to_sequence) [MATCH_PARALLEL]: Generate one.
5558 (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge.
5559 (nodes_identical_1): Handle DT_veclen_ge.
5560 (write_cond, debug_decision_2): Likewise.
5562 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
5564 * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete. Replace
5566 (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New.
5568 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
5570 * cppmain.c (do_preprocessing): New function; most of the old
5572 (main): Call it to do most of the work.
5573 (cb): Move from global scope to set_callbacks ().
5574 (setup_callbacks): Get the callback pointer.
5575 (general_init, printer_init): Clean up code and comments.
5577 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
5579 * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
5582 2001-01-14 Kazu Hirata <kazu@hxi.com>
5584 * config/h8300/h8300.c (get_shift_alg): Update comments.
5586 Sun Jan 14 06:20:49 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5588 * ggc-page.c (alloc_annon): Call perror and correctly call exit.
5589 (alloc_page, ggc_alloc): Add casts to remove warnings.
5591 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
5593 * combine.c (simplify_comparison): Don't change `code' when
5594 can't reverse comparison.
5596 2001-01-14 Richard Henderson <rth@redhat.com>
5598 * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
5599 update all call sites. Return true for all non-label constants.
5601 Sun Jan 14 10:09:48 MET 2001 Jan hubicka <jh@suse.cz>
5603 * i386.c (ix86_expand_compare): Add bypass_test and second_test
5605 (ix86_expand_branch): Update.
5606 (ix86_expand_setcc): Update to handle multiple test conditions.
5607 (expand_int_movcc): Likewise.
5608 (expand_fp_movcc): Likewise.
5609 * i386-protos.h (ix86_expand_compare): New.
5610 * i386.md (andqi_?_slp, orqi_?_slp): New.
5611 (conditional trap expander): Update call to ix86_expand_compare.
5613 2001-01-14 Richard Henderson <rth@redhat.com>
5615 * config/vax/vax.md: Use nonimmediate_operand instead of
5616 general_operand in destinations.
5618 * config/vax/vax.md (indirect_jump): Use register_operand.
5620 * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
5621 * config/vax/vax.md (call_pop): Turn into an expander.
5622 (call_value_pop): Likewise.
5623 (call, call_value): New.
5625 2001-01-14 Andreas Jaeger <aj@suse.de>
5627 * config/i386/i386.c (ix86_split_fp_branch): Remove unused
5629 (ix86_fp_compare_mode): Add unused attribute.
5630 (ix86_expand_fp_movcc): Remove unused variable.
5631 (ix86_expand_builtin): Make fcode unsigned.
5633 * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
5634 (expand_expr): Add cast to avoid signed warning.
5635 (store_field): Likewise.
5636 (store_constructor_field): Likewise.
5637 (store_constructor): Likewise.
5638 (store_expr): Likewise.
5639 (clear_storage): Likewise.
5640 (emit_group_store): Likewise.
5641 (emit_group_load): Likewise.
5643 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
5645 * c-common.c: Move format checking code to ...
5646 * c-format.c: ... here. New file. Reorder some functions and
5648 (decl_handle_format_attribute, decl_handle_format_arg_attribute):
5650 * c-common.h (decl_handle_format_attribute,
5651 decl_handle_format_arg_attribute): Declare.
5652 * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
5653 (c-common.o): Adjust dependencies.
5654 (c-format.o): New list of dependencies.
5656 2001-01-13 Jakub Jelinek <jakub@redhat.com>
5658 * unroll.c (loop_iterations): If we cannot prove iteration variable
5659 is set once in each iteration, punt.
5661 Sun Jan 14 00:23:15 2001 Denis Chertykov <denisc@overta.ru>
5663 * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
5664 (*strlenhi): Remove clobber (which was buggy) of output address.
5666 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
5668 * Makefile.in (generated-manpages): Add gcc.1
5669 ($(srcdir)/gcc.1): New target.
5670 (maintainer-clean): Delete $(srcdir)/gcc.1.
5671 * gcc.texi: Add macros @gccoptlist and @gol.
5672 * invoke.texi: Include option summary in manpage. Mark up option
5673 summary with @gccoptlist and @gol. Use @r in one place where
5675 * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
5676 * gcc.1: Generate from invoke.texi.
5678 2001-01-13 Richard Henderson <rth@redhat.com>
5680 * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
5681 (struct page_entry): Add group member.
5682 (struct page_group): New.
5683 (struct globals): Add page_groups member.
5684 (alloc_anon): Only define for using mmap; remove valloc call.
5685 (page_group_index): New.
5686 (set_page_group_in_use): New.
5687 (clear_page_group_in_use): New.
5688 (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
5689 (free_page, release_pages): Likewise.
5690 * configure.in (with-gc): Default to ggc-page always.
5692 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
5694 * reload1.c (replace_pseudos_in_call_usage): Use
5695 reg_equiv_constant and reg_equiv_address, and don't try
5696 regno_reg_rtx first.
5698 2001-01-13 Richard Henderson <rth@redhat.com>
5700 * ggc-page.c (alloc_page): Round up allocation size to one page.
5701 Set e->order on extra pages.
5703 2001-01-13 Richard Henderson <rth@redhat.com>
5705 * genrecog.c (nodes_identical): Expand commentary.
5706 (write_switch): Watch out for identical nodes.
5708 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
5710 * cppfiles.c (_cpp_fake_include): New function.
5711 * cpphash.h (_cpp_fake_include): New.
5712 * cpplib.c (do_line): Call _cpp_fake_include when entering
5713 header files in preprocessed input.
5714 * cppmain.c (cb_pragma_implementation): Remove handling.
5715 (setup_callbacks): Don't register pragmas.
5717 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
5719 * extend.texi: Udate for CPP.
5721 2001-01-13 Andreas Jaeger <aj@suse.de>
5723 * reload1.c: Add prototype for replace_pseudos_in_call_usage.
5725 * regmove.c: Add prototype for replace_in_call_usage.
5727 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
5729 * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
5730 struct cpp_chunk, struct htab, struct toklist,
5731 struct cpp_context, CPP_STACK_MAX, struct lexer_state,
5732 struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
5733 CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
5734 ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
5735 (struct macro_args): Delete.
5736 * cpphash.h: See above.
5738 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
5740 * cppmain.c (struct printer): Remove no_line_dirs.
5742 (main, setup_callbacks, scan_buffer, printer_init, cb_define)
5743 : Use options rather than CPP_OPTION.
5744 (setup_callbacks): Use cb rather than pfile->cb.
5745 (main): No need to check for a buffer. Use cpp_errors.
5746 (printer_init): Don't set no_line_dirs.
5747 (maybe_print_line): Use options not no_line_dirs.
5748 (cb_file_change): Don't call print_line if -P.
5750 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
5752 * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
5754 * c-parse.in (finish_parse): Use cpp_errors.
5755 (__yylex): Use return value of cpp_pop_buffer.
5756 * cp/lex.c (finish_parse): Use cpp_errors.
5757 * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
5759 Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru>
5761 * README.AVR: URLs corrected.
5763 Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5765 * c-decl.c (start_function): Don't warn if old prototype is builtin
5766 that's not in C's namespace.
5767 * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
5768 (_bb): Add prototype for ctime.
5769 * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
5771 Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz>
5773 * i386.c (ix86_fp_comparison_arithmetics_cost,
5774 ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
5775 ix86_fp_comparison_cost): New functions.
5776 (ix86_expand_fp_compare): Use the costs to choose best bethod; add
5777 two new parameters SECOND_TEST and BYPASS_TEST; allow generating
5778 two-branch sequences; make static.
5779 (ix86_use_fcomi_compare): Do decision according to the costs.
5780 (split_fp_branch): New.
5781 * i386.md (compare-and-branch patterns): Use split_fp_branch.
5782 * i386-protos.h (ix86_expand_fp_compare): Remove
5783 (ix86_split_fp_branch): Declare.
5785 * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
5786 and ix86_comparison_operator.
5788 * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
5791 * i386.c (put_condition_code): Output properly the unordered/ordered
5792 compares in fp case.
5793 (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
5795 * tm.texi (REVERSE_CONDITION): Document.
5796 * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
5797 in -ffast-math mode.
5798 * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
5800 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
5802 * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
5804 * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
5807 * config/sh/sh.c (mova_p): Fix test for mova_const.
5809 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
5811 * fix-header.c (read_scan_file): Use cpp_get_callbacks and
5812 cpp_get_options rather than dereferencing pfile and using
5814 * scan-decls.c (scan_decls): Use return value of
5815 cpp_pop_buffer rather than CPP_BUFFER.
5817 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
5819 * cppinit.c (cpp_handle_option): help_only is now part of the
5820 cpp_options structure.
5821 * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
5822 cpp_set_callbacks): New functions.
5823 * cpplib.h (cpp_callbacks): Break out as a named structure.
5824 (cpp_options): Move help_only here from cpp_reader.
5825 (CPP_FATAL_ERRORS): Update to use cpp_errors.
5826 (cpp_errors, cpp_get_options, cpp_get_callbacks,
5827 cpp_set_callbacks): New prototypes.
5828 * cppmain.c (main): Update for help_only.
5830 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
5832 * Makefile.in (info, maintainer-clean, install-info, uninstall):
5833 Also build and remove and install and uninstall c-tree.info and
5835 ($(srcdir)/gcc.info): Add dependency on contrib.texi.
5836 ($(srcdir)/cppinternals.info): New target.
5837 * c-tree.texi: Change file name used when makeinfo used without -o
5838 from ir.info to c-tree.info. Add info directory entry.
5839 * cppinternals.texi: Add info directory entry.
5840 * .cvsignore: Update.
5842 2001-01-12 Jakub Jelinek <jakub@redhat.com>
5844 * c-typeck.c (store_init_value): Don't require constant initializer
5845 elements with -pedantic -std=c99.
5846 (digest_init): Change error about non-constant initializer elements
5848 (constructor_range_end): Remove.
5849 (constructor_incremental, designator_depth,
5850 designator_errorneous): New variables.
5851 (struct constructor_stack): Remove range_end, add incremental.
5852 (struct constructor_range_stack, constructor_range_stack): New.
5853 (struct initializer_stack): Add constructor_range_stack.
5854 (finish_init): Set it.
5855 (start_init): Likewise. require_constant_elements for non-static
5856 trees only if not flag_isoc99.
5857 (really_start_incremental_init): Remove constructor_range_end, add
5858 constructor_incremental.
5859 (pop_init_level): Likewise.
5860 (push_init_level): Likewise. If implicit and the subobject had some
5861 value set already, preinitialize the level with it.
5862 Warn about missing braces only if not pushing due to designators.
5863 (set_designator, push_range_stack): New functions.
5864 (set_init_label): Use them.
5865 (set_init_index): Likewise. Remove constructor_range_end.
5866 Error if designator index is outside of array bounds.
5867 (add_pending_init): Compare values of purpose index trees, not the
5868 trees themselves. Allow overwriting of already initialized element.
5869 Issue a warning if it had side-effects.
5870 (set_nonincremental_init, set_nonincremental_init_from_string): New
5872 (pending_init_member): Rename to...
5873 (find_init_member): ...this function. Call set_nonincremental_init
5874 if necessary. Compare values of purpose index trees, not the trees
5875 themselves. Return the actual value, not just non-zero if something
5877 (output_init_element): Remove checks for duplicates.
5878 If field has zero size, only check the initializer for correctness.
5879 Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL
5880 if constructor_incremental is zero. Change error about initializers
5881 not computable at load time into pedwarn.
5882 (output_pending_init_elements): Compare bit positions, not
5883 FIELD_DECLs to take into account zero-sized fields.
5884 (process_init_element): Use constructor_range_stack to fill all
5885 ranges in the designator lists from current level up.
5886 * extend.texi: Update documentation for labeled elements.
5888 2001-01-12 Alexandre Oliva <aoliva@redhat.com>
5890 * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
5891 to function usage for arguments passed by reference. Optimize
5892 callee-copied arguments.
5893 * regmove.c (replace_in_call_usage): New function.
5894 (fixup_match_1): Call it.
5895 * cse.c (cse_insn): Canonicalize registers in function usage.
5896 * reload1.c (replace_pseudos_in_call_usage): New function.
5899 * Makefile.in: Reverted yesterday's wrong patch. Installed the
5902 2001-01-12 Jakub Jelinek <jakub@redhat.com>
5904 * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
5907 2001-01-12 DJ Delorie <dj@redhat.com>
5909 * Makefile.in (bootstrap): rename stages to be mnemonic. Add
5910 restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
5913 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
5915 * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
5916 tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to
5917 -std options alongside references to -ansi. Update some
5918 documentation for C99.
5919 * cpp.1: Regenerate.
5921 2001-01-12 Andreas Jaeger <aj@suse.de>
5923 * haifa-sched.c (restore_line_notes): Remove argument block B
5925 * sched-ebb.c (schedule_ebb): Change caller.
5926 * sched-rgn.c (schedule_region): Likewise.
5927 * sched-int.h (restore_line_notes): Adjust prototype.
5929 * loop.h: Remove wrong declaration of doloop_condition_get.
5931 2001-01-12 Phil Edwards <pme@sources.redhat.com>
5933 * extend.texi: Move C++-extension-related node from the C section
5934 into the C++ section.
5936 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
5938 * extend.texi: Refer to an array of pointers to functions instead
5939 of one of functions.
5941 Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de>
5942 Jan Hubicka <jh@suse.cz>
5944 * combine.c (reversed_comparison): Fix typo in last patch.
5946 (combine_reversed_comparison_code): Make static to follow
5947 prototype declaration.
5949 2001-01-12 Phil Edwards <pme@sources.redhat.com>
5951 * install.texi: Remove misplaced duplicate entry.
5953 2001-01-11 Ulrich Drepper <drepper@redhat.com>
5955 * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
5957 Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
5959 * final.c: (leaf_function_p): Fix typo.
5961 2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
5963 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
5964 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
5966 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
5967 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
5968 mmap_anon, and valloc is available.
5969 * ggc-page.c: Restructure ifdef logic to match new autoconf
5970 spec. Don't throw away the test page in init_ggc.
5972 * configure, config.in: Regenerate.
5974 2001-01-12 Michael Hayes <mhayes@redhat.com>
5976 * loop.h (total_biv_increment): Constify iv_class pointer.
5977 (struct induction): Replace `mem_mode' with `mem' rtx.
5978 * unroll.c (total_biv_increment): Constify iv_class pointer.
5979 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
5980 (find_mem_givs, combine_givs_p): Likewise.
5981 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
5983 2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
5985 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
5987 (__gthread_getspecific): Ditto.
5989 Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
5991 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
5992 put_condition_code): Convert fp comparison codes to integer
5994 (ix86_expand_fp_compare): Postnote the fp comparison code converison
5997 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
5998 * i386-protos.h (no_comparison_operator): Kill.
6000 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
6002 * combine.c (REVERSIBLE_CC_MODE): Remove.
6003 (reversible_comparison_p): Remove.
6004 (combine_reversed_comparison_code): New.
6005 (reversed_comparison): New.
6006 (combine_simplify_rtx): Use
6007 combine_reversed_comparison_code/reversed_comparison instead
6008 of reversible_comparison_p.
6009 (simplify_if_then_else): Likewise.
6010 (simplify_set): Likewise.
6011 (simplify_logical): Likewise.
6012 (if_then_else_cond): Likewise.
6013 (known_cond): Likewise.
6014 (simplify_comparison): Likewise.
6016 2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
6018 * builtins.c (std_expand_builtin_va_start): Handle varargs when
6019 sizeof (int) is larger than sizeof(__word__).
6021 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
6023 * cppinit.c (do_includes): Fix typo.
6025 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
6027 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
6028 in S_REGS does not occur because not all sources are possible
6029 when a S_REGS is a destination (sometimes needs a clobber).
6030 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
6031 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
6032 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
6033 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
6034 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
6035 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
6036 (lshrdi_const1, lshrsi3_const16): Likewise.
6037 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
6038 (*movhi_68hc12, *movqi_68hc12): Likewise.
6039 (movstrictqi): Make sure reloading in D_REGS as a destination
6042 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
6044 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
6046 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
6048 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
6049 -D, -U and -A, and don't initialize the builtins.
6050 (do_includes): Error if -include or -imacros with -fpreprocessed.
6051 * cppmain.c (cb_define, cb_undef): Unconditionally process
6053 * tradcpp.c (main): Fix typo.
6055 2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
6057 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
6058 (read_name_map): Use IS_ABSOLUTE_PATH.
6059 * tradcpp.c (get_filename): Likewise.
6061 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
6063 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
6064 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
6065 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
6066 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
6067 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
6068 (cmphi_z_used): Don't use '@' for the output.
6069 (tstqi_z_used): Likewise.
6070 (cmpqi_z_used): Likewise.
6071 (one_cmplsi2): Likewise.
6073 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
6075 * config/sh/sh.c (barrier_align): Recognize branch around far
6076 branch and redundant insn.
6078 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
6080 * invoke.texi: Restore documentation of the drivers' switches -MD
6083 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
6085 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
6087 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
6088 check-objc//%): Support parallel testing of multilibs.
6089 (TESTSUITEDIR): Set to testsuite by default, but override for
6091 (check-gcc, check-g++, check-g77, check-objc): Enter
6094 2001-01-11 Bernd Schmidt <bernds@redhat.com>
6096 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
6097 * sched-deps.c (deps_may_trap_p): Likewise.
6098 * basic-block.h: Remove a comment.
6099 * flow.c (PROP_POSTRELOAD): Remove.
6100 (update_life_info): Don't add it to prop_flags.
6101 (mark_set_1): Lose the code that was enabled by it.
6103 2001-01-11 Michael Hayes <mhayes@redhat.com>
6105 * flow.c (flow_call_edges_add): New.
6106 * basic_block.h (flow_call_edges_add): New.
6108 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
6110 * reload1.c (move2add_note_store): Update reg_set_luid even if
6111 base reg remains the same.
6113 2001-01-10 Nick Clifton <nickc@redhat.com>
6115 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
6116 machine_function structure to zero.
6117 Add prototypes for machine_status functions.
6119 2001-01-10 Mark Mitchell <mark@codesourcery.com>
6121 * c-common.h (CTI_VOID_LIST): Remove.
6122 (void_list_node): Likewise.
6123 * tree.h (TI_VOID_LIST_NODE): New enumeral.
6124 (void_list_node): New macro.
6125 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
6126 * config/i386/i386.c (ix86_init_builtins): Likewise.
6127 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
6129 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
6131 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
6132 * cppinit.c (cpp_start_read): Update comment, remove unneeded
6134 * tradcpp.c: Include mkdeps.h.
6135 (deps, print_deps_phony_targets, deps_append, output_deps,
6136 init_dependency_output, output_deps): New.
6137 (deps_buffer, deps_allocated_size, deps_size, deps_column,
6138 deps_output): Delete.
6139 (print_deps_missing_files): Rename deps_missing_files.
6140 (inhibit_output): Make global.
6141 (main): Delete inhibit_output, deps_stream, deps_target.
6142 Use mkdeps functionality in the same way as cpplib. Remove
6143 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
6144 -M and -MM. Remove old handling of deps via deps_out, and
6145 old reading of environment variables.
6146 (get_filename): Update to use deps_add_dep.
6148 2001-01-10 Mark Mitchell <mark@codesourcery.com>
6150 * output.h (make_function_rtl): Remove prototype.
6151 (make_decl_rtl): Likewise.
6152 * varasm.c (make_function_rtl): Remove.
6153 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
6154 than from a third parameter.
6155 * tree.h (make_decl_rtl): Remove last parameter.
6156 * c-decl.c (builtin_function): Remove last argument in call to
6157 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
6158 (start_function): Likewise.
6159 * except.c (call_get_eh_context): Likewise.
6160 * expr.c (emit_block_move): Likewise.
6161 (clear_storage): Likewise.
6162 * profile.c (output_func_start_profiler): Likewise.
6163 * toplev.c (rest_of_decl_compilation): Likewise.
6164 * objc/objc-act.c (create_builtin_decl): Likewise.
6165 (synth_module_prologue): Likewise.
6166 (generate_static_reference): Likewise.
6167 (build_selector_reference_decl): Likewise.
6168 (build_class_reference_decl): Likewise.
6169 (build_objc_string_decl): Likewise.
6170 (build_protocol_reference): Likewise.
6172 2001-01-10 Richard Henderson <rth@redhat.com>
6174 * hwint.h: Revert yesterday's change.
6176 2001-01-10 Nick Clifton <nickc@redhat.com>
6178 * function.h (save_machine_status): Delete.
6179 (restore_machine_status): Delete.
6180 Amend comment describing {init|mark|free}_machine_status.
6182 * function.c (save_machine_status): Delete.
6183 (restore_machine_status): Delete.
6184 Amend comment describing {init|mark|free}_machine_status.
6185 (push_function_context_to): Remove invocation of
6186 save_machine_status.
6187 (pop_function_context_from): Remove invocation of
6188 restore_machine_status.
6190 * emit-rtl.c (init_emit_once): Amend comment describing
6191 {init|mark|free}_machine_status.
6193 * tm.texi (Per-Function Data): New node. Describe the
6194 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
6197 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
6199 * cppinit.c (OPT_g): Remove.
6200 (cpp_handle_option): Update for removed -g3.
6201 (print_help): Update.
6202 * cpplib.h (struct cpp_options): Remove debug_output.
6203 * cppmain.c (setup_callbacks, cb_define): Update.
6204 * gcc.c (cpp_options): Translate -g3 to -dD.
6206 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
6208 * config/i960/i960.md: Change modifier to + on the zero_extract
6209 pattern after the (rotate -2 reg) canonicalization pattern.
6211 2001-01-10 Richard Henderson <rth@redhat.com>
6213 * config/alpha/alpha.c (alpha_free_machine_status): New.
6214 (override_options): Install it.
6215 (alpha_mark_machine_status): Verify machine non-null.
6216 * config/i386/i386.c (ix86_free_machine_status): New.
6217 (override_options): Install it.
6218 (ix86_init_machine_status): Use xcalloc.
6219 (ix86_mark_machine_status): Verify machine non-null.
6220 * config/ia64/ia64.c (ia64_free_machine_status): New.
6221 (ia64_override_options): Install it.
6222 (ia64_mark_machine_status): Verify machine non-null.
6224 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
6226 * function.c (instantiate_virtual_regs): Instantiate virtual
6227 registers found in CALL_INSN_FUNCTION_USAGE.
6229 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
6231 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
6232 equivalent to -ansi in disabling -Di386.
6234 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
6236 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
6238 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
6240 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
6242 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
6244 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
6246 * invoke.texi: Document that -fcond-mismatch isn't supported for
6249 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
6251 * gcc.texi: Define macro gcctabopt.
6252 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
6253 @command, @env and @option in some places where appropriate. Use
6254 @gcctabopt where appropriate. Put URLs and email addresses inside
6257 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
6259 * gcc.c (cpp_options): Set MD file name from output
6260 filename, if specified.
6261 (suffix_subst): New static variable.
6262 (do_spec): Clear it.
6263 (do_spec_1, case '.'): Handle new `%.suffix' spec.
6265 (give_switch): Handle suffix_subst.
6267 2001-01-10 Phil Edwards <pme@sources.redhat.com>
6269 * invoke.texi: Fix another typo.
6271 2001-01-10 Phil Edwards <pme@sources.redhat.com>
6273 * invoke.texi: Fix typo.
6275 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
6277 * c-lang.c (lang_hooks): Update.
6278 (lang_decode_option): Remove.
6279 (lang_init_options): Rename c_init_options.
6280 * toplev.c (main): Use lang_hooks for lang_init_options
6281 and lang_decode_option.
6282 * toplev.h (lang_hooks): Add 2 new hooks.
6283 * tree.h: Remove lang_init_options and lang_decode_option.
6284 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
6285 * cp/decl2.c: Similarly.
6286 * cp/lex.c (lang_init_options): Rename cxx_init_options.
6287 (lang_hooks): Update.
6288 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
6290 (lang_init_options): Rename ffe_init_options.
6291 (lang_hooks): Update.
6292 (lang_decode_option): Remove.
6293 * java/lang.c (lang_init_options): Rename java_init_options.
6294 (lang_decode_option): Rename java_decode_option.
6295 (lang_hooks): Update.
6296 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
6297 (lang_decode_option): Rename objc_decode_option.
6298 (lang_hooks): Update.
6300 2001-01-09 Nick Clifton <nickc@redhat.com>
6302 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
6303 (d30v_return_addr_rtx): Delete.
6304 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
6305 cfun->machine structure.
6306 (struct machine_function): Move to d30v.h
6307 (d30v_save_machine_status): Delete.
6308 (d30v_restore_machine_status): Delete.
6309 (d30v_init_machine_status): New Function.
6310 (d30v_mark_machine_status): New Function.
6311 (d30v_free_machine_status): New Function.
6312 (d30v_init_expanders): Use new functions.
6313 (d30v_return_addr): Use ra_rtx field in cfun->machine.
6314 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
6315 d30v_return_addr_rtx.
6317 * config/d30v/d30v.h (struct_machine): Move here.
6318 Add eh_epilogue_sp_ofs field.
6320 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
6321 field in cfun->machine structure.
6323 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
6325 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
6326 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
6327 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
6329 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
6331 * objc/lang-options.h: Remove bogus reference to
6334 2001-01-09 Kazu Hirata <kazu@hxi.com>
6336 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
6339 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
6341 * reload.c (find_reloads_address): Check for eliminable registers
6342 when substituting a constant expression for a pseudo.
6344 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
6346 * c-common.c (enum format_type): Add format_type_error.
6347 (decode_format_type): New function.
6348 (decl_attributes): Use it.
6349 (format_kind_info): Adjust comment.
6351 2001-01-09 David O'Brien <obrien@BSDi.com>
6353 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
6354 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
6356 * config/i386/gnu.h: Don't include required platform specific .h files,
6357 tm.h will do it instead.
6358 * config/i386/i386elf.h: Likewise.
6359 * config/i386/linux.h: Likewise.
6360 * config/i386/moss.h: Likewise.
6361 * config/mips/gnu.h: Likewise.
6363 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6365 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
6366 (rs6000-ibm-aix3.[01]*): Likewise.
6367 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
6368 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
6369 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
6370 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
6371 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
6372 (powerpc-*-eabiaix*): Likewise.
6373 (powerpc-*-eabisim*): Likewise.
6374 (powerpc-*-elf*): Likewise.
6375 (powerpc-*-eabi*): Likewise.
6376 (powerpc-*-rtems*): Likewise.
6377 (powerpc-*-linux*libc1): Likewise.
6378 (powerpc-*-linux*): Likewise.
6379 (powerpc-wrs-vxworks*): Likewise.
6380 (powerpcle-wrs-vxworks*): Likewise.
6381 (powerpcle-*-sysv*): Likewise.
6382 (powerpcle-*-elf*): Likewise.
6383 (powerpcle-*-eabisim*): Likewise.
6384 (powerpcle-*-eabi*): Likewise.
6385 (powerpcle-*-solaris2*): Likewise.
6386 * config/rs6000/aix31.h: Delete includes.
6387 * config/rs6000/aix3newas.h: Likewise.
6388 * config/rs6000/aix41.h: Likewise.
6389 * config/rs6000/aix43.h: Likewise.
6390 * config/rs6000/beos.h: Likewise.
6391 * config/rs6000/rtems.h: Likewise.
6392 * config/rs6000/sysv4.h: Likewise.
6394 2001-01-09 Kazu Hirata <kazu@hxi.com>
6396 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
6397 Change an argument mode of machine_mode to shift_mode of
6398 shift_mode. Remove an extra error check.
6399 (emit_a_shift): Adopt to the new calling prototype of
6401 (function_prologue): Fix code for a monitor
6402 function. Support H8/S.
6403 (function_epilogue): Do not output pop for a monitor function.
6405 2001-01-09 Nick Clifton <nickc@redhat.com>
6407 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
6408 (setup_incoming_varargs): Use sysv_varargs_p field of the
6409 cfun->machine structure.
6410 (struct machine_function): Move to rs6000.h
6411 (rs6000_save_machine_status): Delete.
6412 (rs6000_restore_machine_status): Delete.
6413 (rs6000_init_machine_status): New Function.
6414 (rs6000_free_machine_status): New Function.
6415 (rs6000_init_expanders): Use new functions.
6417 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
6419 (struct machine_function): Move here.
6421 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
6422 sysv_varargs_p field of the cfun->machine structure.
6424 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
6426 (rs6000_restore_machine_status): Remove prototype.
6428 2001-01-09 Richard Henderson <rth@redhat.com>
6430 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
6431 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
6432 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
6433 (sched_analyze_2, sched_analyze_insn): Likewise.
6434 (sched_analyze, init_deps): Likewise.
6435 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
6436 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
6437 (compute_block_backward_dependences): Update propagate_deps call.
6439 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
6441 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
6443 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
6445 * cppinit.c (OPT_MD, OPT_MMD): Restore.
6446 (cpp_handle_option): Handle them.
6447 (cpp_post_options): Ensure one of -M or -MM is specified with
6448 any other -M? option.
6449 (init_dependency_output): Suppress output with -MG.
6451 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
6454 * invoke.texi: Update.
6456 2001-01-09 Bernd Schmidt <bernds@redhat.com>
6458 * sh.md (reload_outsf): Generate recognizable patterns for
6461 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
6463 * c-lang.c (lang_hooks): Update.
6464 (lang_init): Rename c_init.
6465 (lang_finish): Remove.
6466 * toplev.c (compile_file): Use lang_hooks for lang_init ()
6468 * toplev.h (lang_hooks): Add init () and finish ().
6469 * tree.h (lang_init, lang_finish): Remove.
6470 * cp/tree.h (lang_init, lang_finish): Remove.
6471 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
6472 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
6474 (lang_init, lang_finish): Remove.
6475 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
6476 (lang_hooks): Update.
6477 * java/lang.c (lang_init): Rename java_init.
6478 (lang_finish): Remove.
6479 (lang_hooks): Update.
6480 * objc/objc-act.c (lang_init): Rename objc_init.
6481 (lang_finish): Remove.
6482 (lang_hoooks): Update.
6484 20001-01-09 Graham Stott <grahams@redhat.com>
6486 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
6487 after `ptr` is initialised.
6489 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
6491 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
6492 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
6493 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
6494 stack adjusts, instead of r3.
6496 2001-01-09 Michael Hayes <mhayes@redhat.com>
6498 * flow.c (flow_loop_scan): Break out of ...
6499 (flow_loops_find) ... here.
6500 * basic-block.h (flow_loop_scan): New.
6501 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
6502 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
6504 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
6506 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
6508 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
6509 realloc()ing macro_buffer.
6511 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
6512 if it's wider than long and the target's long is wider than the
6515 2001-01-09 Mark Mitchell <mark@codesourcery.com>
6517 Remove support for using UWIN as a host machine.
6518 * configure.in: Issue an error message.
6519 * configure: Regenerated.
6520 * config.gcc: Remove xm_* UWIN configury.
6521 * config/i386/xm-uwin.h: Remove.
6523 2001-01-08 Nick Clifton <nickc@redhat.com>
6525 * config/v850/v850.c (ra_rtx): Delete.
6526 (v850_save_machine_status): Delete.
6527 (v850_restore_machine_status): Delete.
6528 (v850_init_machine_status): New function.
6529 (v850_mark_machine_status): New function.
6530 (v850_free_machine_status): New function.
6531 (v850_return_addr): Use ra_rtx field in machine structure.
6532 (v850_init_expanders): Use new functions.
6534 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
6535 * config/v850/v850.c: Change arguments to v850_output+* functions
6536 to take a const char *, to avoid compile time warning.
6537 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
6538 (USER_LABEL_PREFIX): Redefine.
6540 2000-01-08 Jim Wilson <wilson@redhat.com>
6542 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
6543 1 to unsigned HOST_WIDE_INT before left shift.
6545 2001-01-08 Nick Clifton <nickc@redhat.com>
6547 * config/arm/arm.c (arm_mark_machine_status): Check to see if
6548 the machine structure has been allocated.
6549 (arm_free_machine_status): New function: Free the machine
6550 specific function structure.
6552 2001-01-08 Richard Henderson <rth@redhat.com>
6554 * jump.c (simplejump_p): Revert last change.
6556 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
6558 * cppinit.c (init): Rename init_library.
6559 (cpp_create_reader): Update.
6560 * gcc.c (cpp_options): If -o given, use it as the target of
6563 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
6565 * arm.c (arm_arch5e): New variable.
6566 (all_cores): XScale is a 5TE device.
6567 (arm_override_options): Set arm_arch5e.
6568 (arm_init_builtins): __builtin_prefetch is in arch5e.
6569 * arm.h (arm_arch5e): Declare it.
6571 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
6573 * arm.md (define_constants): Add defines for UNSPEC and
6574 UNSPEC_VOLATILE insns. Update all users.
6575 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
6576 * arm.c (multi_register_push, note_invalid_constants)
6577 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
6578 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
6579 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
6581 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
6583 * jump.c (jump_optimize_1): Use reversed_comparison_code
6584 instead of can_reverse_comparison_p.
6585 (jump_back_p): Likewise.
6586 (invert_exp_1): Likewise.
6587 (thread_jumps): Likewise.
6588 * simplify-rtx.c (simplify_unary_operation): Likewise.
6589 (simplify_ternary_operation): Likewise.
6590 * cse.c (find_comparison_args): Convert to use
6591 can_reverse_comparison_p.
6592 (record_jump_equiv): Likewise.
6594 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
6596 * arm.h (HARD_REGNO_RENAME_OK): Delete.
6597 (EPILOGUE_USES): Define.
6598 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
6599 automatically stack the LR if it isn't live.
6601 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
6603 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
6606 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
6608 * ggc-page.c (max_alignment): New structure.
6609 (MAX_ALIGNMENT): New macro.
6610 (init_ggc): Use it to round up the sizes in the
6611 extra_order_size_table.
6613 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6615 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
6618 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6620 * builtins.def (BUILT_IN_FPRINTF): New entry.
6622 * c-common.c (c_expand_builtin_fprintf): New function.
6623 (init_function_format_info): Handle __builtin_fprintf.
6624 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
6625 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
6627 * c-decl.c (duplicate_decls): Adjust comment.
6629 * extend.texi (fprintf): Document new builtin.
6631 2001-01-07 Richard Henderson <rth@redhat.com>
6633 * jump.c (simplejump_p): Recognize any single_set jump
6636 2001-01-07 Richard Henderson <rth@redhat.com>
6638 * configure.in (slibdir): Accept an --with-slibdir option.
6639 Use "test" not "[" in configure. Default to $(libdir).
6641 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
6643 * config/t-aix43 (SHLIB_INSTALL): Likewise.
6644 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
6645 (SHLIB_LINK): Create links for the soname.
6646 * config/mips/t-iris6: Likewise.
6647 * config/sparc/t-slibgcc: Likewise.
6648 * config/sparc/t-slibgcc-sld: Likewise.
6650 2001-01-07 Jakub Jelinek <jakub@redhat.com>
6652 * config/i386/i386.c (constant_call_address_operand): Accept
6653 (const (plus (symbol_ref) (const_int))).
6654 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
6655 constant_call_address_operand.
6657 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6659 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
6660 and LONG_LONG_TYPE_SIZE > 32.
6662 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
6664 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
6665 the previous change.
6667 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
6669 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
6671 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
6672 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
6673 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
6676 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
6678 * fix-header.c (read_scan_file): s/pfile/scan_in/.
6680 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
6682 * c-lang.c (c_post_options): Call cpp_post_options.
6683 * objc/objc-act.c (objc_post_options): Similarly.
6684 * cppmain.c (main): Similarly.
6685 * fix-header.c (read_scan_file): Similarly.
6686 * cppinit.c (cpp_start_read): Move option consistency checks
6687 to cpp_post_options. Don't call init_dependency_output.
6688 If needed, add default target and main file dependency.
6689 (OPT_MD, OPT_MMD): Remove.
6691 (cpp_handle_option): Update for OPT_* changes.
6692 (cpp_post_options): New.
6693 (init_dependency_output): Command line -MF overrides environment
6694 variables. Don't set default target etc. Suppress output
6695 if dependencies are going to stdout.
6696 (print_help): Update.
6697 * cpplib.h (cpp_post_options): New.
6698 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
6700 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
6702 * jump.c (comparison_dominates_p): Support unordered compares.
6704 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
6706 * simplify-rtx.c (simplify_relational_operation): Always simplify
6707 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
6710 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
6712 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
6713 (nonzero_bits): Likewise.
6714 (simplify_comparison): Likewise.
6715 (num_sign_bit_copies): Likewise; return more sane value depending
6716 on STORE_FLAG_VALUE.
6717 (known_cond): Do not assume EQ to be always true for equivalent
6720 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
6722 * cse.c (fold_rtx): Handle unordered comparisons.
6724 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
6726 * rtlanal.c (set_of_1): New static function.
6727 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
6728 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
6729 reg_set_last_last_regno): Remove.
6730 (set_of): New global function.
6731 (set_of_data): New structure.
6732 (reg_set_p, reg_set_last): Revamp for set_of.
6733 * rtl.h (set_of): New.
6735 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
6737 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
6738 * extend.texi: Document _Exit builtin.
6740 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
6742 * (initialize, initialize_builtins,
6743 initialize_dependency_output, initialize_standard_includes):
6744 Rename s/initialize/init. Update.
6745 (init_dependency_output): Move to after
6746 cpp_handle_options, the correct location temporally at least.
6747 (opt_comp): Move next to init (), its caller. Fix prototype.
6748 (init): Make "initialized" local scope.
6749 (cpp_create_reader): Always call init ().
6750 (cpp_start_read): Update.
6751 (output_deps): New function, broken out of cpp_finish.
6752 (cpp_finish): Break out output_deps.
6754 2001-01-07 Richard Henderson <rth@redhat.com>
6756 * collect2.c (COFF specific stuff): Revert 12-06 patch
6757 to prototype system functions.
6759 2001-01-07 Michael Hayes <mhayes@redhat.com>
6761 * hard-reg-set.h: Add multiple include guard.
6762 * basic-block.h (struct loop): Add `sink' field.
6763 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
6764 (emit_iv_add_mult): Delete.
6765 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
6766 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
6767 (unroll_loop): Remove end_insert_before argument.
6768 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
6769 (maybe_eliminate_biv_1): Likewise.
6770 (emit_iv_add_mult): Delete.
6771 (gen_add_mult, loop_regs_update): New.
6772 (loop_insn_emit_after, loop_insn_emit_before): New.
6773 (loop_insn_sink, loop_insn_sink_or_swim): New.
6774 (emit_iv_add_mult): Delete.
6775 (scan_loop): Set loop->sink.
6776 (loop_givs_reduce): Use loop_insn_sink and its ilk.
6777 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
6778 (maybe_eliminate_biv_1): Likewise.
6779 (maybe_eliminate_biv_1): Add basic block argument.
6780 * unroll.c (unroll_loop): Remove end_insert_before argument.
6781 (find_splittable_regs): Likewise.
6782 (find_splittable_regs): Use loop_insn_sink and its ilk.
6783 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
6785 2001-01-07 Michael Hayes <mhayes@redhat.com>
6787 * loop.h (loop_insn_hoist): New prototype.
6788 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
6789 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
6790 (check_dbra_loop, load_mems): Likewise.
6791 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
6792 (find_splittable_givs): Likewise.
6794 2001-01-07 Michael Hayes <mhayes@redhat.com>
6796 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
6798 2001-01-07 Richard Henderson <rth@redhat.com>
6800 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
6802 2001-01-07 Richard Henderson <rth@redhat.com>
6804 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
6805 NO_SHARED_LIBGCC_MULTILIB as required for the target.
6806 * gcc.c (init_spec): Massage the existing libgcc_spec into a
6807 variant that handles a shared libgcc.
6808 (process_command): Always validate -{static,shared}-libgcc.
6809 (do_spec_1): New 'M' case.
6810 * invoke.text (Link Options): Document -{static,shared}-libgcc.
6812 2001-01-07 Richard Henderson <rth@redhat.com>
6814 * Makefile.in (slibdir): New variable.
6815 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
6816 (installdirs): Create slibdir.
6817 (install-libgcc, install-multilib): Defer to libgcc.mk.
6818 * configure.in (slibdir): Substitute.
6819 * mklibgcc.in (install): New target.
6821 * config/t-linux (SHLIB_LINK): Create links for the soname.
6822 (SHLIB_INSTALL): New.
6823 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
6824 * config/mips/t-iris6 (SHLIB_INSTALL): New.
6825 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
6826 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
6827 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
6829 2001-01-07 Richard Henderson <rth@redhat.com>
6831 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
6832 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
6833 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
6835 2001-01-07 Michael Hayes <mhayes@redhat.com>
6837 * loop.c (count_loop_regs_set): Delete.
6838 (load_mems_and_recount_loop_regs_set): Delete.
6839 (loop_regs_scan): Merge common code from count_loop_regs_set,
6840 scan_loop, and load_mems_and_recount_loop_regs_set.
6841 (scan_loop): Call load_mems directly and loop_regs_scan
6842 again if new registers created.
6844 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
6846 * toplev.c (main): Call the front-end specific post_options
6847 hook if one is given.
6848 * toplev.h (struct_lang_hooks, lang_hooks): New.
6849 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
6850 for the C front end.
6851 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
6852 lang_hooks for the C++ front end.
6853 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
6854 lang_hooks for the ObjC front end.
6855 * f/com.c (lang_hooks): Hooks for the Fortran front end.
6856 * java/lang.c (lang_hooks): Hooks for the Java front end.
6858 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
6860 * c-lex.c (init_c_lex): Request #define / #undef callbacks
6861 for verbose DWARF[2] debugging.
6862 (cb_define, cb_undef): The new callbacks.
6863 * toplev.h (debug_define, debug_undef): Make const correct.
6864 * toplev.c (debug_define, debug_undef): Similarly. Do not
6865 perform the verbosity tests here anymore.
6867 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
6869 * reload.c (subst_reloads): Take INSN argument. When
6870 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
6871 * reload.h (subst_reloads): Adjust prototype.
6872 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
6873 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
6874 present in JUMP_INSNs and copy them to JUMP_LABEL.
6875 * flow.c (find_label_refs, find_basic_blocks_1): Skip
6876 JUMP_INSNs and insns with REG_LABELs that are followed by
6877 JUMP_INSNs with the same REG_LABEL.
6878 * sched-rgn.c (is_cfg_nonregular): Likewise.
6879 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
6881 * unroll.c (unroll_loop): Look for REG_LABEL notes in
6883 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
6885 2001-01-06 Richard Henderson <rth@redhat.com>
6887 * loop.c (scan_loop): Use xcalloc for the regs array.
6888 (load_mems_and_recount_loop_regs_set): Zero the new memory
6889 received from xrealloc.
6891 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
6893 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
6895 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
6897 * integrate.c (copy_rtx_and_substitute): When copying
6898 an ignored return value, strip REG_FUNCTION_VALUE_P.
6900 2001-01-06 Michael Hayes <mhayes@redhat.com>
6902 * loop.c (debug_biv, debug_giv): New.
6903 (loop_biv_dump): Break out from ...
6904 (record_biv): ... here.
6905 (loop_giv_dump): Break out from ...
6906 (record_giv): ... here.
6907 (loop_bivs_check): Use print_simple_rtl.
6908 * unroll.c (loop_iterations): Use print_simple_rtl.
6910 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
6912 * pa.md (return, return_internal): Modify patterns to prevent regrename
6913 mucking with the return pointer.
6915 2001-01-05 Richard Henderson <rth@redhat.com>
6917 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
6919 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
6921 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
6922 version supplied by Matteo Frigo.
6924 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
6926 * cpp.texi: Update for -MQ.
6927 * cppinit.c (cpp_create_reader): Always create pfile->deps.
6928 (cpp_cleanup): Always free pfile->deps.
6929 (initialize_dependency_output): Don't create pfile->deps.
6930 (cpp_handle_option): Similarly.
6932 * gcc.c (cpp_options): Handle -MQ.
6933 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
6934 * mkdeps.c (base_name): Remove.
6935 (deps_init): Don't allocate vector space until it's needed.
6936 (deps_free): Only free vectors if allocated.
6937 (deps_add_target, deps_add_dep): Update for initial allocation.
6938 (deps_add_default_target): Don't strip to the base_name.
6940 2001-01-05 DJ Delorie <dj@redhat.com>
6942 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
6943 (INIT_EXPANDERS): Define.
6945 * config/v850/v850.c (struct machine_function): Define.
6946 (v850_save_machine_status): New function.
6947 (v850_restore_machine_status): New function.
6948 (v850_return_addr): New function.
6949 (v850_init_expanders): New function.
6951 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
6952 and v850_init_expanders.
6954 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
6956 * cpplib.h (struct cpp_reader): Add help_only field.
6957 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
6958 (cpp_handle_option): Set pfile->help_only if we see -h,
6959 --help, -target-help, or --version. Print version string but
6960 do not set help_only if we see -v or -version. Make text
6961 printed by -v match that printed by (-)-version.
6963 * cppmain.c (main): Exit after option parsing if
6964 pfile->help_only is true.
6966 * toplev.c (independent_decode_option): Call print_version,
6967 then exit, if we see --version (but not -version).
6968 (print_version): Split lengthy message into two lines.
6970 2001-01-05 Nick Clifton <nickc@redhat.com>
6972 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
6973 temporary string for initialisation before calling ggc_alloc_string.
6975 2001-01-06 Michael Hayes <mhayes@redhat.com>
6977 * rtl.h (print_simple_rtl): New.
6978 * print-rtl.c (print_simple_rtl): New.
6980 (print_rtx): Disable printing of flags and modes, etc.,
6981 if `flag_simple` nonzero.
6983 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
6985 * function.c (fixup_var_refs): Use push_to_full_sequence where
6988 2001-01-05 Michael Meissner <meissner@redhat.com>
6990 * flags.h (flag_reorder_blocks): Add declaration.
6991 (flag_rename_block): Ditto.
6993 2001-01-05 DJ Delorie <dj@redhat.com>
6995 * function.c (reorder_blocks): Make sure the flags are all reset
6996 before using them to mark blocks, else a second invocation will
6997 corrupt the block chain.
6998 (reorder_blocks_0): New, resets the flags.
7000 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
7002 * cse.c (find_comparison_args): Stop if the argument is known to
7005 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
7007 * config/sh/sh.md (movdf): When splitting load into pair of
7008 registers, don't clobber the register used in the address too
7011 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
7013 * varasm.c (mark_constant_pool): Improve initial comments.
7014 (mark_constants): Move marking of constants to mark_constant.
7015 (mark_constant): New function to recursively mark all constants
7016 referred to by a constant.
7018 2001-01-05 Catherine Moore <clm@redhat.com>
7020 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
7022 2001-01-05 Phil Edwards <pme@sources.redhat.com>
7024 * cp/lang-options.h: Bring comment in line with reality.
7025 * f/lang-options.h: Likewise.
7026 * java/lang-options.h: Likewise.
7027 * objc/lang-options.h: Likewise.
7028 * ch/lang-options.h: Likewise.
7029 * f/g77.texi: And update the manual.
7031 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
7032 Denis Chertykov <denisc@overta.ru>
7034 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
7035 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
7036 * config/avr/avr.md (all peepholes that request a scratch register):
7037 Call it, FAIL the peephole if not safe (in interrupt functions).
7039 2001-01-05 Mark Mitchell <mark@codesourcery.com>
7041 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
7043 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
7045 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
7047 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
7048 BUILT_IN_CREAL and BUILT_IN_CIMAG.
7049 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
7050 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
7051 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
7053 * extend.texi: Document these builtins.
7055 2001-01-05 Daniel Berlin <dberlin@redhat.com>
7057 * c-common.c (lang_get_alias_set): Say we know nothing of
7058 VECTOR_TYPE aliasing.
7060 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
7062 2001-01-05 Bruce Korb <bkorb@gnu.org>
7064 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
7065 their x* equivalent versions for atexit-less systems
7066 * fixinc/fixincl.c(main): do not return from main() on atexit-less
7067 systems (or any other system any more).
7069 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
7071 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
7072 output operands. Use arm_hard_register_operand for operand 4.
7073 (stmsi_postinc): Similarly.
7074 (ldmsi): Use arm_hard_register_operand for opernand 2.
7076 * arm.c (arm_hard_register_operand): New function.
7077 * arm-protos.h (arm_hard_register_operand): Prototype it.
7079 * arm.h (HARD_REGNO_RENAME_OK): Define.
7081 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
7083 * simplify-rtx.c (cfc_args): add "unordered" field.
7084 (check_fold_consts): Set unordered field.
7085 (simplify_relational_operation): Simplify the unordered
7088 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
7091 * emit-rtl.c (try_split): Fix code to mark labels.
7092 * jump.c (mark_jump_label): Make global.
7093 * rtl.h (mark_jump_label): Declare.
7095 * predict.c (estimate_probability): Handle unordred comparisons.
7097 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
7099 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
7100 * cppinit.c (initialize_dependency_output): Update.
7101 (cpp_finish): Output dummy targets for -MP.
7103 (cpp_handle_option): Handle -MP. Don't quote -MT options.
7104 * cpplib.h (struct cpp_options): Add deps_phony_targets.
7105 * gcc.c (cpp_options): Update to handle -MP.
7106 * mkdeps.c (deps_add_target, deps_add_default_target): Update
7107 to quote only the default target.
7108 (deps_phony_targets): Insert a preceding newline. Rename from
7109 deps_dummy_targets for consistency.
7112 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
7114 * calls.c (emit_library_call_value_1): Support
7115 INIT_CUMULATIVE_LIBCALL_ARGS.
7116 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
7118 2001-01-04 Richard Henderson <rth@redhat.com>
7120 * c-decl.c (finish_struct): Detect flexible array members
7121 used in an inappropriate context.
7122 * c-typeck.c (really_start_incremental_init): Special case
7123 constructor_max_index for zero length arrays.
7124 (pop_init_level): Allow initialization of flexible array
7125 members. Deprecate initialization of zero length arrays.
7126 Don't issue missing initializer warning for flexible array
7127 members or zero length arrays.
7128 (process_init_element): Don't dereference null DECL_SIZE.
7129 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
7130 Don't abort for empty constructors. Use size_binop
7131 (output_constructor): Add commentary regarding zero length
7132 array futures. Abort if we try to initialize an array of
7133 unspecified length with a non-empty constructor in the middle
7136 * extend.texi (Zero Length): Update and clarify documentation
7137 on static initialization.
7139 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7141 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
7142 with more than 32767 words of local storage.
7144 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7146 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
7147 for 'abs', 'labs', and 'fabs'.
7148 (c4x_expand_builtin): Likewise.
7149 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
7151 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
7153 * config/sh/sh.md (prget, prset): New insn types.
7154 (return delay slot): Dont' allow prset.
7155 (call, sfunc delay slot): Don't allow prget.
7156 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
7157 for prset and prget.
7159 2001-01-05 Michael Hayes <mhayes@redhat.com>
7161 * loop.h (struct loop_reg): New.
7162 (struct loop_regs): Change to use array of `struct loop_reg'.
7163 * loop.c: Replace assortment of varrays with single regs array.
7164 (count_one_set): Delete may_not_move array argument
7165 and use regs array instead. All caller's changed.
7166 (count_loop_regs_set): Delete may_not_move and single_usage
7167 arguments and use regs array instead. All caller's changed.
7168 (find_single_use_in_loop): Replace usage array argument with pointer
7169 to regs structure. All caller's changed.
7170 (loop_optimize): Delete `moved_once' array.
7172 2001-01-05 Michael Hayes <mhayes@redhat.com>
7174 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
7175 Use it instead of loop_info->has_call for scanning loop mems.
7176 (check_dbra_loop): Replace loop_info->has_call test with
7177 loop_info->has_nonconst_call.
7179 2000-01-04 Matthew Hiller <hiller@redhat.com>
7181 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
7184 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
7186 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
7187 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
7189 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
7191 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
7192 (flag_short_double, flag_short_wchar): Define.
7193 (c_common_nodes_and_builtins): Create many tree nodes shared
7194 between C and C++ here instead of in cp/decl.c and ...
7195 * c-decl.c (init_decl_processing): ... here.
7196 (SIZE_TYPE, WCHAR_TYPE): Don't define.
7197 (flag_short_double, flag_short_wchar): Don't define.
7198 (record_builtin_type): New function.
7199 (build_void_list_node): New function.
7200 * c-common.h (flag_short_double, flag_short_wchar,
7201 record_builtin_type, build_void_list_node): Declare.
7203 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
7205 * integrate.c (expand_inline_function): Don't put a virtual
7206 register into the reg map.
7208 * function.c (fixup_var_refs_1): If force_operand didn't put
7209 the address into the target, move it there.
7211 2001-01-04 Mark Mitchell <mark@codesourcery.com>
7213 Special-case tree_decl/tree_list allocations.
7214 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
7215 (OBJECT_SIZE): New macro.
7216 (NUM_EXTRA_ORDER): Likewise.
7217 (extra_order_size_table): New variable.
7218 (NUM_ORDERS): New macro.
7219 (objects_per_page_table): New variable.
7220 (object_size_table): New variable.
7221 (G.pages): Use NUM_ORDERS to bound the array.
7222 (G.page_tails): Likewise.
7223 (DIV_ROUND_UP): Remove.
7224 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
7225 (alloc_page): Use OBJECT_SIZE.
7226 (size_lookup): Don't make it const.
7227 (ggc_alloc): Use OBJECT_SIZE.
7228 (ggc_set_mark): Likewise.
7229 (ggc_get_size): Likewise.
7230 (init_ggc): Set up the object_size_table, objects_per_page_table,
7231 and adjust size_lookup.
7232 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
7233 (ggc_pop_context): Use NUM_ORDERS.
7234 (clear_marks): Likewise.
7235 (sweep_pages): Likewise.
7236 (poison_pages): Likewise.
7237 (ggc_print_statistics): Use OBJECT_SIZE.
7239 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7241 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
7242 Only call array_size_for_constructor if last field and array type
7243 with no upper bound.
7245 2001-01-04 Philip Blundell <philb@gnu.org>
7247 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
7248 from bit 31 downwards, if this requires no more insns.
7249 (count_insns_for_constant): New helper function for above.
7251 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
7253 * gencodes.c (output_predicate_decls): Remove empty initializer.
7255 2001-01-04 Mark Mitchell <mark@codesourcery.com>
7257 * tree.c (copy_node): Remove documentation about obstacks.
7258 (buidl1): Check that nobody tries to build 2-argument nodes this
7261 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7263 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
7266 * gencodes.c (output_predicate_decls): Fill empty initializer
7269 2001-01-04 Jakub Jelinek <jakub@redhat.com>
7271 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
7272 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
7274 (do_include): Handle missing headers like cpp0.
7275 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
7276 paths with first include pathname. Don't strcat to uninitialized
7279 2001-01-04 Bernd Schmidt <bernds@redhat.com>
7281 * regrename.c (regrename_optimize): Don't rename from frame pointer
7282 if frame_pointer_needed.
7283 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
7284 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
7285 (ia64_reorg): Use it instead of scheduling if ! optimize.
7286 (errata_emit_nops): Properly call asm_noperands.
7287 (ia64_sched_reorder): Finish cycle if we see an asm.
7288 (ia64_variable_issue): Clear scheduling state after asms.
7290 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
7292 * cpp.texi: Update for -MT.
7293 * cppinit.c (initialize_dependency_output): Add a default
7294 target if none has been given already.
7295 (no_tgt, OPT_MT): New.
7296 (cpp_handle_option): Handle -MT. Update -M etc.
7297 * cpplib.h (struct cpp_options): Remove deps_target.
7298 * gcc.c (cpp_options): Handle -MT.
7299 * mkdeps.c (struct deps): Move from mkdeps.h.
7300 (deps_calc_target): Rename deps_add_default_target. Add a
7301 default target if none has been specified already.
7302 * mkdeps.h (struct deps): Move to mkdeps.c.
7303 (deps_calc_target): Rename deps_add_default_target.
7305 2000-01-03 Richard Henderson <rth@redhat.com>
7307 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
7309 * c-typeck.c (push_init_level): Move checks for flexible array
7310 members and zero length arrays ...
7311 (pop_init_level): ... here. Silently discard empty initializations.
7313 * varasm.c (output_constructor): Update for sizeof change to
7316 * extend.texi (Zero Length): Clarify semantics.
7318 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
7320 * configure.in (tm.h): Include isns-codes.h last.
7321 * configure: Rebuilt.
7323 2001-01-03 Richard Henderson <rth@redhat.com>
7325 * config/alpha/alpha.md (addvsi3, addvdi3): New.
7326 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
7328 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7330 * tradcpp.c (main): Make sure finclude() is called with a valid
7331 indepth value while handling -include.
7333 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
7335 * gencodes.c (output_predicate_decls): New function.
7337 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
7338 even if it is not the first time machmode.h is #included.
7339 * config/sh/sh.c (fpul_operand): Declare MODE argument.
7340 * tm.texi (PREDICATE_CODES): Document predicate declarations.
7341 * gcc.texi (Copyright): Added 2001.
7343 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
7345 * c-common.c (c_common_lang_init): New function. Warn if format
7346 warning options which only have effects when used with -Wformat
7347 are used without -Wformat.
7348 * c-common.h (c_common_lang_init): Declare.
7349 * c-lang.c (lang_init): Call c_common_lang_init.
7350 * objc/objc-act.c (lang_init): Call c_common_lang_init.
7352 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
7354 * configure.in: Check for the mktemp command.
7355 * configure: Regenerate.
7356 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
7357 $TEMP. Create temporary files with mktemp, if available at
7358 configure time; otherwise use set -C. Remove temporary files
7361 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
7363 * configure.in: Require at least texinfo 4.0. Check for whether
7364 Pod::Man is sufficiently recent to regenerate GCC manpages.
7365 * configure: Regenerate.
7366 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
7368 (GENERATED_MANPAGES): Define.
7369 (generated-manpages): New target. Depend on cpp.1 as well as
7371 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
7372 configure to generated-manpages or empty) rather than on the
7373 manpages directly. Remove execute permission from installed
7374 gcov.1 as well as cpp.1.
7375 * cpp.1, gcov.1: Regenerate.
7377 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7379 * builtins.c (expand_builtin_strncmp): Use host_integerp and
7380 tree_low_cst. Allow using cmpstrsi in more cases.
7382 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7384 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
7387 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
7389 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
7390 * Makefile.in (HOST_CFLAGS): Mention build-make.
7392 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7394 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
7397 2001-01-01 Bernd Schmidt <bernds@redhat.com>
7399 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
7402 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
7405 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
7406 reg_base_value and reg_known_value arrays.
7407 (init_alias_analysis): Add more cases to detect known values.
7408 * sched-deps.c (deps_may_trap_p): New function.
7409 (sched_analyze_2): Use it.
7411 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
7413 * combine.c (simplify_shift_const): Even if we're sign-extracting,
7414 don't discard an ASHIFTRT if we're shifting in a wider mode.
7416 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
7418 * toplev.c (rest_of_compilation): Don't print basic block information
7419 when CFG isn't up to date.
7421 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
7423 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
7424 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
7425 (UNALIGNED_SHORT_ASM_OP): Define.
7426 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
7428 2001-01-02 Mark Mitchell <mark@codesourcery.com>
7430 * fold-const.c (fold_convert): Fix typo.
7432 2001-01-02 Richard Henderson <rth@redhat.com>
7434 * c-common.h (ASM_INPUT_P): New.
7435 * c-parse.in (asm): Set it when needed.
7436 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
7437 existance of an operand.
7439 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
7441 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
7442 (dwarf2out_frame_debug_expr): Likewise.
7443 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
7445 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
7447 * i386.c (ix86_split_to_parts): Return number of part required;
7449 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
7451 (ix86_split_long_move): Use number of part returned
7452 by ix86_split_to_parts
7453 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
7455 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
7456 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
7457 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
7458 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
7459 (ALIGN_MODE_128): Add TFmode.
7460 (IS_STACK_MODE): Likewise.
7461 (HARD_REGNO_NREGS): TFmode needs 3 registers.
7462 (HARD_REGNO_OK): Support TFmodes.
7463 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
7464 * i386.md (scheduler definitions): Use memory operand to determine
7465 fst/fld instructions; use mode attribute to determine real mode of
7467 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
7468 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
7470 2001-01-02 Mark Mitchell <mark@codesourcery.com>
7472 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
7474 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
7476 * expr.c (store_constructor_field): Update ALIGN before calling
7479 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
7481 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
7484 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
7486 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
7489 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
7491 * c-decl.c (start_function): Don't warn on third parameter to main.
7493 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7495 * tsystem.h: Define HAVE_DECL_GETOPT.
7497 2001-01-02 Philip Blundell <pb@futuretv.com>
7499 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
7502 2001-01-02 Richard Henderson <rth@redhat.com>
7504 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
7506 2001-01-02 Andreas Jaeger <aj@suse.de>
7508 * c-decl.c (c_decode_option): Remove support of
7511 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
7512 (W_options): Add -Wmissing-noreturn here.
7514 * flow.c: Define lang_missing_noreturn_ok_p.
7515 (check_function_return_warnings): Use it.
7517 * c-common.h: Declare lang_missing_noreturn_ok_p.
7519 * c-lang.c (c_missing_noreturn_ok_p): New function.
7520 (lang_init): Set lang_missing_noreturn_ok_p.
7522 * invoke.texi (Warning Options): Document this.
7524 2000-12-27 Phil Edwards <pme@sources.redhat.com>
7526 * extend.texi (C++ Extensions): New node for C++ attributes;
7527 describe init_priority and com_interface.
7528 * invoke.texi: Remove -finit-priority as it now has zero effect.
7529 * install.texi: Fix xref syntax.
7530 * md.texi: Likewise.
7532 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7534 * config.gcc (sparc64-wrs-vxworks*): New case.
7535 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
7537 * config/sparc/sparc.c (sparc_override_options): Do support different
7538 pointer and architecture size.
7539 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
7540 (POINTERS_EXTEND_UNSIGNED): Define.
7541 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
7542 (FUNCTION_MODE): Define to be Pmode.
7543 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
7545 * function.c (expand_function_end): Properly handle DECL_RESULT
7546 and copy when ptr_mode != Pmode.
7547 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
7549 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7551 * c-common.c (c_common_nodes_and_builtins): Set prototype
7552 parameters for __builtin_fputs, __builtin_fputc and
7553 __builtin_fwrite. Don't declare plain fputc as a builtin.
7555 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
7557 * loop.c (add_label_notes): Increment the label usage count when
7558 a note is added to an insn which refers to a CODE_LABEL.
7559 * gcse.c (add_label_notes): Likewise.
7561 2001-01-01 Andreas Jaeger <aj@suse.de>
7563 * loop.c (scan_loop): Use xmalloc to allocate movables.
7565 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
7567 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
7568 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
7569 * reload1.c (REGISTER_MOVE_COST): Likewise.
7570 * regclass.c (REGISTER_MOVE_COST): Likewise.
7571 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
7572 dimension. Adjust all users.
7573 (init_reg_sets_1): Iterate on all modes.
7574 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
7575 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
7576 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
7577 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
7578 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
7579 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
7580 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
7581 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
7582 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
7583 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
7584 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
7585 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
7586 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
7587 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
7588 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
7589 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
7590 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
7591 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
7592 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
7593 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
7594 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
7595 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
7596 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
7597 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
7598 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
7599 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
7600 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
7602 2001-01-01 Bernd Schmidt <bernds@redhat.com>
7604 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
7605 arg VARIES_P. Call it with extra arg.
7606 (true_dependence): Likewise.
7607 * rtl.h (rtx_addr_can_trap_p): Declare.
7608 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
7610 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
7611 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
7612 pic offset table register if it's zero. All callers changed.
7613 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
7615 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7617 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
7618 STRING_POOL_ADDRESS_P.
7620 * config/sparc/sparc.c (input_operand): Properly test for short op.
7622 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
7623 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
7624 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
7625 * config/sparc/elf.h: No longer include sol2.h.
7626 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
7627 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
7629 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
7631 2001-01-01 Michael Hayes <mhayes@redhat.com>
7633 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
7634 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
7635 (record_initial): Likewise.
7636 * unroll.c (copy_loop_body, loop_iterations): Likewise.
7637 (remap_split_bivs): Likewise.
7639 2001-01-01 Michael Hayes <mhayes@redhat.com>
7641 * loop.c (loop_ivs_free): New function.
7642 (strength_reduce): Break out from...
7644 2001-01-01 Michael Hayes <mhayes@redhat.com>
7646 * loop.h (struct iv): New.
7647 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
7648 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
7649 'reg_biv_class' fields with 'regs' and 'n_regs'.
7650 (struct ivs): Rename 'loop_iv_list' field to 'list'.
7651 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
7652 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
7654 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
7656 * resource.c (mark_referenced_resources): Abort() before
7657 attempting to mark a pseudo register.
7658 (mark_set_resources): Likewise.
7660 2001-01-01 Michael Hayes <mhayes@redhat.com>
7662 * loop.h (REG_IV_CLASS): New accessor macro.
7663 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
7664 * unroll.c (REG_IV_CLASS): Likewise.
7666 See ChangeLog.4 for earlier changes.