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-rw-r--r--target/ppc/translate.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/target/ppc/translate.c b/target/ppc/translate.c
index b6abc60a00..f40b5a1abf 100644
--- a/target/ppc/translate.c
+++ b/target/ppc/translate.c
@@ -818,7 +818,7 @@ static inline void gen_op_arith_compute_ov(DisasContext *ctx, TCGv arg0,
         if (is_isa300(ctx)) {
             tcg_gen_extract_tl(cpu_ov32, cpu_ov, 31, 1);
         }
-        tcg_gen_extract_tl(cpu_ov, cpu_ov, 63, 1);
+        tcg_gen_extract_tl(cpu_ov, cpu_ov, TARGET_LONG_BITS - 1, 1);
     }
     tcg_gen_or_tl(cpu_so, cpu_so, cpu_ov);
 }