diff --git a/target-ppc/cpu.h b/target-ppc/cpu.h
index d15bba1..60a8b68 100644
--- a/target-ppc/cpu.h
+++ b/target-ppc/cpu.h
@@ -733,6 +733,8 @@ void ppc_store_slb (CPUPPCState *env, target_ulong rb, target_ulong rs);
 void ppc_store_sr (CPUPPCState *env, int srnum, target_ulong value);
 #endif /* !defined(CONFIG_USER_ONLY) */
 void ppc_store_msr (CPUPPCState *env, target_ulong value);
+void helper_store_dcr (uint32_t dcrn, uint32_t val);
+uint32_t helper_load_dcr (uint32_t dcrn);
 
 void ppc_cpu_list (FILE *f, int (*cpu_fprintf)(FILE *f, const char *fmt, ...));
 
diff --git a/target-ppc/helper.h b/target-ppc/helper.h
index 40d4ced..86f0af7 100644
--- a/target-ppc/helper.h
+++ b/target-ppc/helper.h
@@ -359,8 +359,8 @@ DEF_HELPER_2(divo, tl, tl, tl)
 DEF_HELPER_2(divs, tl, tl, tl)
 DEF_HELPER_2(divso, tl, tl, tl)
 
-DEF_HELPER_1(load_dcr, i32, i32);
-DEF_HELPER_2(store_dcr, void, i32, i32)
+DEF_HELPER_1(load_dcr_tl, tl, tl);
+DEF_HELPER_2(store_dcr_tl, void, tl, tl)
 
 DEF_HELPER_1(load_dump_spr, void, i32)
 DEF_HELPER_1(store_dump_spr, void, i32)
diff --git a/target-ppc/op_helper.c b/target-ppc/op_helper.c
index cea27f2..6c375d3 100644
--- a/target-ppc/op_helper.c
+++ b/target-ppc/op_helper.c
@@ -1844,6 +1844,11 @@ uint32_t helper_load_dcr (uint32_t dcrn)
     return val;
 }
 
+target_ulong helper_load_dcr_tl (target_ulong dcrn)
+{
+    return (uint32_t)helper_load_dcr((uint32_t)dcrn);
+}
+
 void helper_store_dcr (uint32_t dcrn, uint32_t val)
 {
     if (unlikely(env->dcr_env == NULL)) {
@@ -1857,6 +1862,11 @@ void helper_store_dcr (uint32_t dcrn, uint32_t val)
     }
 }
 
+void helper_store_dcr_tl (target_ulong dcrn, target_ulong val)
+{
+    helper_store_dcr((uint32_t)dcrn, (uint32_t)val);
+}
+
 #if !defined(CONFIG_USER_ONLY)
 void helper_40x_rfci (void)
 {
diff --git a/target-ppc/translate.c b/target-ppc/translate.c
index d4e81ce..d83d196 100644
--- a/target-ppc/translate.c
+++ b/target-ppc/translate.c
@@ -5565,7 +5565,7 @@ static void gen_mfdcr(DisasContext *ctx)
     /* NIP cannot be restored if the memory exception comes from an helper */
     gen_update_nip(ctx, ctx->nip - 4);
     dcrn = tcg_const_tl(SPR(ctx->opcode));
-    gen_helper_load_dcr(cpu_gpr[rD(ctx->opcode)], dcrn);
+    gen_helper_load_dcr_tl(cpu_gpr[rD(ctx->opcode)], dcrn);
     tcg_temp_free(dcrn);
 #endif
 }
@@ -5584,7 +5584,7 @@ static void gen_mtdcr(DisasContext *ctx)
     /* NIP cannot be restored if the memory exception comes from an helper */
     gen_update_nip(ctx, ctx->nip - 4);
     dcrn = tcg_const_tl(SPR(ctx->opcode));
-    gen_helper_store_dcr(dcrn, cpu_gpr[rS(ctx->opcode)]);
+    gen_helper_store_dcr_tl(dcrn, cpu_gpr[rS(ctx->opcode)]);
     tcg_temp_free(dcrn);
 #endif
 }
@@ -5602,7 +5602,7 @@ static void gen_mfdcrx(DisasContext *ctx)
     }
     /* NIP cannot be restored if the memory exception comes from an helper */
     gen_update_nip(ctx, ctx->nip - 4);
-    gen_helper_load_dcr(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]);
+    gen_helper_load_dcr_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]);
     /* Note: Rc update flag set leads to undefined state of Rc0 */
 #endif
 }
@@ -5620,7 +5620,7 @@ static void gen_mtdcrx(DisasContext *ctx)
     }
     /* NIP cannot be restored if the memory exception comes from an helper */
     gen_update_nip(ctx, ctx->nip - 4);
-    gen_helper_store_dcr(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)]);
+    gen_helper_store_dcr_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)]);
     /* Note: Rc update flag set leads to undefined state of Rc0 */
 #endif
 }
@@ -5630,7 +5630,7 @@ static void gen_mfdcrux(DisasContext *ctx)
 {
     /* NIP cannot be restored if the memory exception comes from an helper */
     gen_update_nip(ctx, ctx->nip - 4);
-    gen_helper_load_dcr(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]);
+    gen_helper_load_dcr_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]);
     /* Note: Rc update flag set leads to undefined state of Rc0 */
 }
 
@@ -5639,7 +5639,7 @@ static void gen_mtdcrux(DisasContext *ctx)
 {
     /* NIP cannot be restored if the memory exception comes from an helper */
     gen_update_nip(ctx, ctx->nip - 4);
-    gen_helper_store_dcr(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)]);
+    gen_helper_store_dcr_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)]);
     /* Note: Rc update flag set leads to undefined state of Rc0 */
 }