Patches to make libobjc build.

	* config/ia64/ia64.md (restore_stack_nonlocal): New.
	* config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Delete padding nop.
	(__ia64_restore_stack_nonlocal): New.
	* config/ia64/t-ia64 (LIB1ASMFUNCS): Add __restore_stack_nonlocal.

From-SVN: r32564

gcc/ChangeLog

+Wed Mar 15 11:34:27 2000  Jim Wilson  <wilson@cygnus.com>
+
+	* config/ia64/ia64.md (restore_stack_nonlocal): New.
+	* config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Delete padding nop.
+	(__ia64_restore_stack_nonlocal): New.
+	* config/ia64/t-ia64 (LIB1ASMFUNCS): Add __restore_stack_nonlocal.
+
 2000-03-15  Alexandre Oliva  <oliva@lsd.ic.unicamp.br>
 
 	* cpphash.c (collect_formal_parameters): Do not complain about

gcc/config/ia64/ia64.md

@@ -3173,6 +3173,24 @@
   ""
   "fc %0\;;;\;adds %0=31,%0\;;;\;fc %0\;;;\;sync.i\;srlz.i"
   [(set_attr "type" "unknown")])
+
+;; Builtin apply support.
+
+(define_expand "restore_stack_nonlocal"
+  [(use (match_operand:DI 0 "register_operand" ""))
+   (use (match_operand:OI 1 "memory_operand" ""))]
+  ""
+  "
+{
+  emit_library_call (gen_rtx_SYMBOL_REF (Pmode,
+					 \"__ia64_restore_stack_nonlocal\"),
+		     0, VOIDmode, 1,
+		     copy_to_reg (XEXP (operands[1], 0)), Pmode);
+  DONE;
+}")
+
+
+;;; Intrinsics support.
 
 (define_insn "ccv_restore_si"
   [(unspec [(const_int 0)] 11)

gcc/config/ia64/lib1funcs.asm

@@ -602,11 +602,6 @@ __ia64_nonlocal_goto:
 	adds r2=8,in2
 	ld8 r12=[in2],16
 	mov.ret.sptk.few.dc.dc rp = r33, .L0
-// ??? flushrs must be first instruction of a group.  Gas is unfortunately
-// putting the stop bit before the padding nop instead of after it, making
-// flushrs the first instruction of its bundle, but the second instruction
-// of its group.  We explicitly add the nop to avoid this problem.
-	nop.i 0
 	;;
 	flushrs
 	ld8 r16=[r2],16
@@ -633,3 +628,43 @@ __ia64_nonlocal_goto:
 	;;
 	.endp __ia64_nonlocal_goto
 #endif
+
+#ifdef L__restore_stack_nonlocal
+// This is mostly the same as nonlocal_goto above.
+// ??? This has not been tested yet.
+
+// void __ia64_restore_stack_nonlocal(void *save_area)
+
+	.text
+	.align 16
+	.global __ia64_restore_stack_nonlocal
+	.proc __ia64_restore_stack_nonlocal
+__ia64_restore_stack_nonlocal:
+	alloc r20=ar.pfs,4,0,0,0
+	mov r19=ar.rsc
+	adds r2=8,in0
+	ld8 r12=[in0],16
+	;;
+	flushrs
+	ld8 r16=[r2],16
+	and r19=0x1c,r19
+	ld8 r17=[in0]
+	;;
+	ld8 r18=[r2]
+	mov ar.rsc=r19
+	;;
+	mov ar.bspstore=r16
+	;;
+	mov ar.rnat=r17
+	mov ar.pfs=r18
+	or r19=0x3,r19
+	;;
+	loadrs
+	invala
+.L0:	{
+	mov ar.rsc=r19
+	br.ret.sptk.few rp
+	}
+	;;
+	.endp __ia64_restore_stack_nonlocal
+#endif

gcc/config/ia64/t-ia64

@@ -11,7 +11,7 @@ LIB1ASMSRC    = ia64/lib1funcs.asm
 LIB1ASMFUNCS  = __divdf3 __divsf3 \
 	__divdi3 __moddi3 __udivdi3 __umoddi3 \
 	__divsi3 __modsi3 __udivsi3 __umodsi3 __save_stack_nonlocal \
-	__nonlocal_goto
+	__nonlocal_goto __restore_stack_nonlocal
 
 # ??? Hack to get -P option used when compiling lib1funcs.asm, because Intel
 # assembler does not accept # line number as a comment.