diff --git a/libclc/generic/include/clc/clc.h b/libclc/generic/include/clc/clc.h
index b9062455c41f977b65279befbbcba327d1594e0c..38f71dbdee0c5b8185069c917cbf7da566721b33 100644
--- a/libclc/generic/include/clc/clc.h
+++ b/libclc/generic/include/clc/clc.h
@@ -65,6 +65,7 @@
 #include <clc/integer/abs_diff.h>
 #include <clc/integer/add_sat.h>
 #include <clc/integer/clz.h>
+#include <clc/integer/hadd.h>
 #include <clc/integer/mad24.h>
 #include <clc/integer/mul24.h>
 #include <clc/integer/rotate.h>
diff --git a/libclc/generic/include/clc/integer/hadd.h b/libclc/generic/include/clc/integer/hadd.h
new file mode 100644
index 0000000000000000000000000000000000000000..37304e26cc2d628d580e2cfb810732a26898b3b9
--- /dev/null
+++ b/libclc/generic/include/clc/integer/hadd.h
@@ -0,0 +1,2 @@
+#define __CLC_BODY <clc/integer/hadd.inc>
+#include <clc/integer/gentype.inc>
diff --git a/libclc/generic/include/clc/integer/hadd.inc b/libclc/generic/include/clc/integer/hadd.inc
new file mode 100644
index 0000000000000000000000000000000000000000..f698989cef2026b8e8868175ece6060389adc13c
--- /dev/null
+++ b/libclc/generic/include/clc/integer/hadd.inc
@@ -0,0 +1 @@
+_CLC_OVERLOAD _CLC_DECL __CLC_GENTYPE hadd(__CLC_GENTYPE x, __CLC_GENTYPE y);
diff --git a/libclc/generic/lib/SOURCES b/libclc/generic/lib/SOURCES
index 9ac08bd9d2419433c6145aa01d7f9bd3e533273d..e936fbc6d94bd9d1b5e616d789344d6e5eb178ae 100644
--- a/libclc/generic/lib/SOURCES
+++ b/libclc/generic/lib/SOURCES
@@ -11,6 +11,7 @@ integer/add_sat_impl.ll
 integer/clz.cl
 integer/clz_if.ll
 integer/clz_impl.ll
+integer/hadd.cl
 integer/mad24.cl
 integer/mul24.cl
 integer/rotate.cl
diff --git a/libclc/generic/lib/integer/hadd.cl b/libclc/generic/lib/integer/hadd.cl
new file mode 100644
index 0000000000000000000000000000000000000000..749026e5a8ad8183fff80fd81c01c4aa167e32b7
--- /dev/null
+++ b/libclc/generic/lib/integer/hadd.cl
@@ -0,0 +1,4 @@
+#include <clc/clc.h>
+
+#define __CLC_BODY <hadd.inc>
+#include <clc/integer/gentype.inc>
diff --git a/libclc/generic/lib/integer/hadd.inc b/libclc/generic/lib/integer/hadd.inc
new file mode 100644
index 0000000000000000000000000000000000000000..ea59d9bd7db5f83b3d8195b1280109d0f0578e0c
--- /dev/null
+++ b/libclc/generic/lib/integer/hadd.inc
@@ -0,0 +1,6 @@
+//hadd = (x+y)>>1
+//This can be simplified to x>>1 + y>>1 + (1 if both x and y have the 1s bit set)
+//This saves us having to do any checks for overflow in the addition sum
+_CLC_OVERLOAD _CLC_DEF __CLC_GENTYPE hadd(__CLC_GENTYPE x, __CLC_GENTYPE y) {
+    return (x>>(__CLC_GENTYPE)1)+(y>>(__CLC_GENTYPE)1)+(x&y&(__CLC_GENTYPE)1);
+}