Add missing dot.h include.

llvm-svn: 157615

1 files changed, 22 insertions, 0 deletions

diff --git a/libclc/generic/lib/geometric/dot.cl b/libclc/generic/lib/geometric/dot.cl
index 76cc1d2bdc6..0d6fe6c9a4e 100644
--- a/libclc/generic/lib/geometric/dot.cl
+++ b/libclc/generic/lib/geometric/dot.cl
@@ -15,3 +15,25 @@ _CLC_OVERLOAD _CLC_DEF float dot(float3 p0, float3 p1) {
 _CLC_OVERLOAD _CLC_DEF float dot(float4 p0, float4 p1) {
   return p0.x*p1.x + p0.y*p1.y + p0.z*p1.z + p0.w*p1.w;
 }
+
+#ifdef cl_khr_fp64
+
+#pragma OPENCL EXTENSION cl_khr_fp64 : enable
+
+_CLC_OVERLOAD _CLC_DEF double dot(double p0, double p1) {
+  return p0*p1;
+}
+
+_CLC_OVERLOAD _CLC_DEF double dot(double2 p0, double2 p1) {
+  return p0.x*p1.x + p0.y*p1.y;
+}
+
+_CLC_OVERLOAD _CLC_DEF double dot(double3 p0, double3 p1) {
+  return p0.x*p1.x + p0.y*p1.y + p0.z*p1.z;
+}
+
+_CLC_OVERLOAD _CLC_DEF double dot(double4 p0, double4 p1) {
+  return p0.x*p1.x + p0.y*p1.y + p0.z*p1.z + p0.w*p1.w;
+}
+
+#endif