sparc32 remove unnecessary & 0xffffffff

diff -p -u -r1.52 op_helper.c
@@ -263,7 +263,7 @@ void helper_ld_asi(int asi, int size, in
         case 8:
             tmp = ldq_code(T0 & ~7);
             ret = tmp >> 32;
-            T0 = tmp & 0xffffffff;
+            T0 = tmp;
             break;
         }
         break;

@@ -282,7 +282,7 @@ void helper_ld_asi(int asi, int size, in
         case 8:
             tmp = ldq_user(T0 & ~7);
             ret = tmp >> 32;
-            T0 = tmp & 0xffffffff;
+            T0 = tmp;
             break;
         }
         break;

@@ -301,7 +301,7 @@ void helper_ld_asi(int asi, int size, in
         case 8:
             tmp = ldq_kernel(T0 & ~7);
             ret = tmp >> 32;
-            T0 = tmp & 0xffffffff;
+            T0 = tmp;
             break;
         }
         break;

@@ -325,7 +325,7 @@ void helper_ld_asi(int asi, int size, in
         case 8:
             tmp = ldq_phys(T0 & ~7);
             ret = tmp >> 32;
-            T0 = tmp & 0xffffffff;
+            T0 = tmp;
             break;
         }
         break;

@@ -349,7 +349,7 @@ void helper_ld_asi(int asi, int size, in
             tmp = ldq_phys((target_phys_addr_t)(T0 & ~7)
                            | ((target_phys_addr_t)(asi & 0xf) << 32));
             ret = tmp >> 32;
-            T0 = tmp & 0xffffffff;
+            T0 = tmp;
             break;
         }
         break;