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-rw-r--r--tcg/s390x/tcg-target-has.h2
-rw-r--r--tcg/s390x/tcg-target.c.inc4
2 files changed, 4 insertions, 2 deletions
diff --git a/tcg/s390x/tcg-target-has.h b/tcg/s390x/tcg-target-has.h
index 85a4f23e95..0794394fea 100644
--- a/tcg/s390x/tcg-target-has.h
+++ b/tcg/s390x/tcg-target-has.h
@@ -31,7 +31,6 @@ extern uint64_t s390_facilities[3];
 /* optional instructions */
 #define TCG_TARGET_HAS_bswap16_i32    1
 #define TCG_TARGET_HAS_bswap32_i32    1
-#define TCG_TARGET_HAS_ctz_i32        0
 #define TCG_TARGET_HAS_ctpop_i32      1
 #define TCG_TARGET_HAS_extract2_i32   0
 #define TCG_TARGET_HAS_negsetcond_i32 1
@@ -45,7 +44,6 @@ extern uint64_t s390_facilities[3];
 #define TCG_TARGET_HAS_bswap16_i64    1
 #define TCG_TARGET_HAS_bswap32_i64    1
 #define TCG_TARGET_HAS_bswap64_i64    1
-#define TCG_TARGET_HAS_ctz_i64        0
 #define TCG_TARGET_HAS_ctpop_i64      1
 #define TCG_TARGET_HAS_extract2_i64   0
 #define TCG_TARGET_HAS_negsetcond_i64 1
diff --git a/tcg/s390x/tcg-target.c.inc b/tcg/s390x/tcg-target.c.inc
index adfe403bef..374136ed14 100644
--- a/tcg/s390x/tcg-target.c.inc
+++ b/tcg/s390x/tcg-target.c.inc
@@ -2268,6 +2268,10 @@ static const TCGOutOpBinary outop_clz = {
     .out_rri = tgen_clzi,
 };
 
+static const TCGOutOpBinary outop_ctz = {
+    .base.static_constraint = C_NotImplemented,
+};
+
 static const TCGOutOpBinary outop_divs = {
     .base.static_constraint = C_NotImplemented,
 };