[Beignet] [PATCH 1/2] add built-in function "hadd", "rhadd"

[Homer Hsing]

Signed-off-by: Homer Hsing <homer.xing at intel.com>
---
 backend/src/ocl_stdlib.h | 30 ++++++++++++++++++++++++++++++
 1 file changed, 30 insertions(+)

diff --git a/backend/src/ocl_stdlib.h b/backend/src/ocl_stdlib.h
index 148ac4d..d816a8a 100644
--- a/backend/src/ocl_stdlib.h
+++ b/backend/src/ocl_stdlib.h
@@ -4388,6 +4388,36 @@ DEF(16)
 #undef DEC8
 #undef DEC16
 
+#define DEC DEF(char); DEF(uchar); DEF(short); DEF(ushort); DEF(int); DEF(uint)
+#define DEF(type) INLINE_OVERLOADABLE type hadd(type x, type y) { return (x + y) >> 1; }
+DEC
+#undef DEF
+#define DEF(type) INLINE_OVERLOADABLE type rhadd(type x, type y) { return (x + y + 1) >> 1; }
+DEC
+#undef DEF
+#undef DEC
+#define DEC2(func, type) INLINE_OVERLOADABLE type##2 func(type##2 a, type##2 b) { return (func(a.s0, b.s0), func(a.s1, b.s1)); }
+#define DEC3(func, type) INLINE_OVERLOADABLE type##3 func(type##3 a, type##3 b) { return (func(a.s0, b.s0), func(a.s1, b.s1), func(a.s2, b.s2)); }
+#define DEC4(func, type) INLINE_OVERLOADABLE type##4 func(type##4 a, type##4 b) { return (func(a.s0, b.s0), func(a.s1, b.s1), func(a.s2, b.s2), func(a.s3, b.s3)); }
+#define DEC8(func, type) INLINE_OVERLOADABLE type##8 func(type##8 a, type##8 b) { return (func(a.s0, b.s0), func(a.s1, b.s1), func(a.s2, b.s2), func(a.s3, b.s3), func(a.s4, b.s4), func(a.s5, b.s5), func(a.s6, b.s6), func(a.s7, b.s7)); }
+#define DEC16(func, type) INLINE_OVERLOADABLE type##16 func(type##16 a, type##16 b) { return (func(a.s0, b.s0), func(a.s1, b.s1), func(a.s2, b.s2), func(a.s3, b.s3), func(a.s4, b.s4), func(a.s5, b.s5), func(a.s6, b.s6), func(a.s7, b.s7), func(a.s8, b.s8), func(a.s9, b.s9), func(a.sa, b.sa), func(a.sb, b.sb), func(a.sc, b.sc), func(a.sd, b.sd), func(a.se, b.se), func(a.sf, b.sf)); }
+#define DEF(func, n) DEC##n(func, char); DEC##n(func, uchar); DEC##n(func, short); DEC##n(func, ushort); DEC##n(func, int); DEC##n(func, uint)
+DEF(hadd, 2)
+DEF(hadd, 3)
+DEF(hadd, 4)
+DEF(hadd, 8)
+DEF(hadd, 16)
+DEF(rhadd, 2)
+DEF(rhadd, 3)
+DEF(rhadd, 4)
+DEF(rhadd, 8)
+DEF(rhadd, 16)
+#undef DEF
+#undef DEC2
+#undef DEC3
+#undef DEC4
+#undef DEC8
+#undef DEC16
 /////////////////////////////////////////////////////////////////////////////
 // Work Items functions (see 6.11.1 of OCL 1.1 spec)
 /////////////////////////////////////////////////////////////////////////////
-- 
1.8.1.2