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-rw-r--r--libclc/generic/lib/relational/isless.cl14
1 files changed, 14 insertions, 0 deletions
diff --git a/libclc/generic/lib/relational/isless.cl b/libclc/generic/lib/relational/isless.cl
index 56a3e1329b4..1dbf7676060 100644
--- a/libclc/generic/lib/relational/isless.cl
+++ b/libclc/generic/lib/relational/isless.cl
@@ -20,3 +20,17 @@ _CLC_DEF _CLC_OVERLOAD int isless(double x, double y){
_CLC_DEFINE_RELATIONAL_BINARY_VEC_ALL(long, isless, double, double)
#endif
+#ifdef cl_khr_fp16
+
+#pragma OPENCL EXTENSION cl_khr_fp16 : enable
+
+// The scalar version of isless(half, half) returns an int, but the vector versions
+// return short.
+
+_CLC_DEF _CLC_OVERLOAD int isless(half x, half y){
+ return __builtin_isless(x, y);
+}
+
+_CLC_DEFINE_RELATIONAL_BINARY_VEC_ALL(short, isless, half, half)
+
+#endif
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