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-rw-r--r--target-ppc/cpu.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/target-ppc/cpu.h b/target-ppc/cpu.h
index 652a35a39f..ca2fc2198e 100644
--- a/target-ppc/cpu.h
+++ b/target-ppc/cpu.h
@@ -693,7 +693,7 @@ enum {
#define MAS1_VALID 0x80000000
#define MAS2_EPN_SHIFT 12
-#define MAS2_EPN_MASK (0xfffff << MAS2_EPN_SHIFT)
+#define MAS2_EPN_MASK (~0ULL << MAS2_EPN_SHIFT)
#define MAS2_ACM_SHIFT 6
#define MAS2_ACM (1 << MAS2_ACM_SHIFT)