native_sqrt: Switch implementation to llvm intrinsic

Reviewer: Jeroen Ketema
Signed-off-by: Jan Vesely <jan.vesely@rutgers.edu>

git-svn-id: https://llvm.org/svn/llvm-project/libclc/trunk@317940 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/generic/include/clc/math/native_sqrt.h b/generic/include/clc/math/native_sqrt.h
index a9525fc..cdfc976 100644
--- a/generic/include/clc/math/native_sqrt.h
+++ b/generic/include/clc/math/native_sqrt.h
@@ -1 +1,9 @@
-#define native_sqrt sqrt
+#define __CLC_BODY <clc/math/unary_decl.inc>
+#define __CLC_FUNCTION native_sqrt
+#define __FLOAT_ONLY
+
+#include <clc/math/gentype.inc>
+
+#undef __FLOAT_ONLY
+#undef __CLC_BODY
+#undef __CLC_FUNCTION
diff --git a/generic/lib/SOURCES b/generic/lib/SOURCES
index d29390d..a230d38 100644
--- a/generic/lib/SOURCES
+++ b/generic/lib/SOURCES
@@ -126,6 +126,7 @@
 math/native_log10.cl
 math/native_log2.cl
 math/native_sin.cl
+math/native_sqrt.cl
 math/tables.cl
 math/clc_nextafter.cl
 math/nextafter.cl
diff --git a/generic/lib/math/native_sqrt.cl b/generic/lib/math/native_sqrt.cl
new file mode 100644
index 0000000..92a2e1b
--- /dev/null
+++ b/generic/lib/math/native_sqrt.cl
@@ -0,0 +1,7 @@
+#include <clc/clc.h>
+
+#define __CLC_NATIVE_INTRINSIC sqrt
+
+#define __CLC_BODY <native_unary_intrinsic.inc>
+#define __FLOAT_ONLY
+#include <clc/math/gentype.inc>