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-rw-r--r--target/s390x/cpu_features.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/target/s390x/cpu_features.h b/target/s390x/cpu_features.h
index ef52ffce83..87463f064d 100644
--- a/target/s390x/cpu_features.h
+++ b/target/s390x/cpu_features.h
@@ -81,6 +81,10 @@ const S390FeatGroupDef *s390_feat_group_def(S390FeatGroup group);
#define BE_BIT_NR(BIT) (BIT ^ (BITS_PER_LONG - 1))
+static inline void clear_be_bit(unsigned int bit_nr, uint8_t *array)
+{
+ array[bit_nr / 8] &= ~(0x80 >> (bit_nr % 8));
+}
static inline void set_be_bit(unsigned int bit_nr, uint8_t *array)
{
array[bit_nr / 8] |= 0x80 >> (bit_nr % 8);