ARM CP15 tls fix

Fix temporary handling in cp15 tls register load/store.

Signed-off-by: Paul Brook <paul@codesourcery.com>
diff --git a/target-arm/translate.c b/target-arm/translate.c
index 8b3b12d..ac04996 100644
--- a/target-arm/translate.c
+++ b/target-arm/translate.c
@@ -2469,19 +2469,17 @@
         return 0;
 
     if (insn & ARM_CP_RW_BIT) {
-        tmp = new_tmp();
         switch (op) {
         case 2:
-            tcg_gen_ld_i32(tmp, cpu_env, offsetof(CPUARMState, cp15.c13_tls1));
+            tmp = load_cpu_field(cp15.c13_tls1);
             break;
         case 3:
-            tcg_gen_ld_i32(tmp, cpu_env, offsetof(CPUARMState, cp15.c13_tls2));
+            tmp = load_cpu_field(cp15.c13_tls2);
             break;
         case 4:
-            tcg_gen_ld_i32(tmp, cpu_env, offsetof(CPUARMState, cp15.c13_tls3));
+            tmp = load_cpu_field(cp15.c13_tls3);
             break;
         default:
-            dead_tmp(tmp);
             return 0;
         }
         store_reg(s, rd, tmp);
@@ -2490,18 +2488,18 @@
         tmp = load_reg(s, rd);
         switch (op) {
         case 2:
-            tcg_gen_st_i32(tmp, cpu_env, offsetof(CPUARMState, cp15.c13_tls1));
+            store_cpu_field(tmp, cp15.c13_tls1);
             break;
         case 3:
-            tcg_gen_st_i32(tmp, cpu_env, offsetof(CPUARMState, cp15.c13_tls2));
+            store_cpu_field(tmp, cp15.c13_tls2);
             break;
         case 4:
-            tcg_gen_st_i32(tmp, cpu_env, offsetof(CPUARMState, cp15.c13_tls3));
+            store_cpu_field(tmp, cp15.c13_tls3);
             break;
         default:
+            dead_tmp(tmp);
             return 0;
         }
-        dead_tmp(tmp);
     }
     return 1;
 }