diff --git a/target-sparc/op.c b/target-sparc/op.c
index 5c6e539..2c89490 100644
--- a/target-sparc/op.c
+++ b/target-sparc/op.c
@@ -965,38 +965,43 @@
 
 void OPPROTO op_sll(void)
 {
-    T0 <<= T1;
+    T0 <<= (T1 & 0x1f);
 }
 
 #ifdef TARGET_SPARC64
+void OPPROTO op_sllx(void)
+{
+    T0 <<= (T1 & 0x3f);
+}
+
 void OPPROTO op_srl(void)
 {
-    T0 = (T0 & 0xffffffff) >> T1;
+    T0 = (T0 & 0xffffffff) >> (T1 & 0x1f);
 }
 
 void OPPROTO op_srlx(void)
 {
-    T0 >>= T1;
+    T0 >>= (T1 & 0x3f);
 }
 
 void OPPROTO op_sra(void)
 {
-    T0 = ((int32_t) (T0 & 0xffffffff)) >> T1;
+    T0 = ((int32_t) (T0 & 0xffffffff)) >> (T1 & 0x1f);
 }
 
 void OPPROTO op_srax(void)
 {
-    T0 = ((int64_t) T0) >> T1;
+    T0 = ((int64_t) T0) >> (T1 & 0x3f);
 }
 #else
 void OPPROTO op_srl(void)
 {
-    T0 >>= T1;
+    T0 >>= (T1 & 0x1f);
 }
 
 void OPPROTO op_sra(void)
 {
-    T0 = ((int32_t) T0) >> T1;
+    T0 = ((int32_t) T0) >> (T1 & 0x1f);
 }
 #endif
 
diff --git a/target-sparc/translate.c b/target-sparc/translate.c
index 50d0875..70cf1bc 100644
--- a/target-sparc/translate.c
+++ b/target-sparc/translate.c
@@ -1703,7 +1703,7 @@
 		}
 #endif
 #ifdef TARGET_SPARC64
-	    } else if (xop == 0x25) { /* sll, V9 sllx ( == sll) */
+	    } else if (xop == 0x25) { /* sll, V9 sllx */
                 rs1 = GET_FIELD(insn, 13, 17);
 		gen_movl_reg_T0(rs1);
 		if (IS_IMM) {	/* immediate */
@@ -1713,7 +1713,10 @@
                     rs2 = GET_FIELD(insn, 27, 31);
                     gen_movl_reg_T1(rs2);
                 }
-		gen_op_sll();
+		if (insn & (1 << 12))
+		    gen_op_sllx();
+		else
+		    gen_op_sll();
 		gen_movl_T0_reg(rd);
 	    } else if (xop == 0x26) { /* srl, V9 srlx */
                 rs1 = GET_FIELD(insn, 13, 17);