From caa9000b1cdf3fc47dc3b8dcf80cd6c5a02a618b Mon Sep 17 00:00:00 2001
From: Jan Vesely <jan.vesely@rutgers.edu>
Date: Thu, 18 Jan 2018 21:11:43 +0000
Subject: [PATCH] half_exp: Implement using exp

Passes CTS on carrizo
v2: Use full precision implementation

Reviewer: Jeroen Ketema <j.ketema@xs4all.nl>
Signed-off-by: Jan Vesely <jan.vesely@rutgers.edu>
llvm-svn: 322890
---
 libclc/generic/include/clc/clc.h           | 1 +
 libclc/generic/include/clc/math/half_exp.h | 9 +++++++++
 libclc/generic/lib/SOURCES                 | 1 +
 libclc/generic/lib/math/half_exp.cl        | 6 ++++++
 4 files changed, 17 insertions(+)
 create mode 100644 libclc/generic/include/clc/math/half_exp.h
 create mode 100644 libclc/generic/lib/math/half_exp.cl

diff --git a/libclc/generic/include/clc/clc.h b/libclc/generic/include/clc/clc.h
index 6f2bc6da4478..25119e0fd93f 100644
--- a/libclc/generic/include/clc/clc.h
+++ b/libclc/generic/include/clc/clc.h
@@ -71,6 +71,7 @@
 #include <clc/math/fract.h>
 #include <clc/math/frexp.h>
 #include <clc/math/half_cos.h>
+#include <clc/math/half_exp.h>
 #include <clc/math/half_rsqrt.h>
 #include <clc/math/half_sqrt.h>
 #include <clc/math/hypot.h>
diff --git a/libclc/generic/include/clc/math/half_exp.h b/libclc/generic/include/clc/math/half_exp.h
new file mode 100644
index 000000000000..36b277ea2e41
--- /dev/null
+++ b/libclc/generic/include/clc/math/half_exp.h
@@ -0,0 +1,9 @@
+#define __CLC_BODY <clc/math/unary_decl.inc>
+#define __CLC_FUNCTION half_exp
+#define __FLOAT_ONLY
+
+#include <clc/math/gentype.inc>
+
+#undef __FLOAT_ONLY
+#undef __CLC_BODY
+#undef __CLC_FUNCTION
diff --git a/libclc/generic/lib/SOURCES b/libclc/generic/lib/SOURCES
index 20c79701725e..72c96449047f 100644
--- a/libclc/generic/lib/SOURCES
+++ b/libclc/generic/lib/SOURCES
@@ -105,6 +105,7 @@ math/fmod.cl
 math/fract.cl
 math/frexp.cl
 math/half_cos.cl
+math/half_exp.cl
 math/half_rsqrt.cl
 math/half_sqrt.cl
 math/hypot.cl
diff --git a/libclc/generic/lib/math/half_exp.cl b/libclc/generic/lib/math/half_exp.cl
new file mode 100644
index 000000000000..97da5d60ea64
--- /dev/null
+++ b/libclc/generic/lib/math/half_exp.cl
@@ -0,0 +1,6 @@
+#include <clc/clc.h>
+
+#define __CLC_FUNC exp
+#define __CLC_BODY <half_unary.inc>
+#define __FLOAT_ONLY
+#include <clc/math/gentype.inc>