diff --git a/qemu/target-sparc/translate.c b/qemu/target-sparc/translate.c
index e9999cfe..32057c0c 100644
--- a/qemu/target-sparc/translate.c
+++ b/qemu/target-sparc/translate.c
@@ -4805,12 +4805,15 @@ static void disas_sparc_insn(DisasContext * dc, unsigned int insn, bool hook_ins
                 case 0xd:       /* ldstub -- XXX: should be atomically */
                     {
                         TCGv r_const;
+                        TCGv tmp = tcg_temp_new(tcg_ctx);
 
                         gen_address_mask(dc, cpu_addr);
-                        tcg_gen_qemu_ld8u(dc->uc, cpu_val, cpu_addr, dc->mem_idx);
+                        tcg_gen_qemu_ld8u(dc->uc, tmp, cpu_addr, dc->mem_idx);
                         r_const = tcg_const_tl(tcg_ctx, 0xff);
                         tcg_gen_qemu_st8(dc->uc, r_const, cpu_addr, dc->mem_idx);
+                        tcg_gen_mov_tl(tcg_ctx, cpu_val, tmp);
                         tcg_temp_free(tcg_ctx, r_const);
+                        tcg_temp_free(tcg_ctx, tmp);
                     }
                     break;
                 case 0x0f: