1 files changed, 58 insertions, 0 deletions
diff --git a/src/builtins/rotate.cl b/src/builtins/rotate.cl
new file mode 100644
index 0000000..fc894b0
--- /dev/null
+++ b/src/builtins/rotate.cl
@@ -0,0 +1,58 @@
+/******************************************************************************
+ * Copyright (c) 2013, Texas Instruments Incorporated - http://www.ti.com/
+ *   All rights reserved.
+ *
+ *   Redistribution and use in source and binary forms, with or without
+ *   modification, are permitted provided that the following conditions are met:
+ *       * Redistributions of source code must retain the above copyright
+ *         notice, this list of conditions and the following disclaimer.
+ *       * Redistributions in binary form must reproduce the above copyright
+ *         notice, this list of conditions and the following disclaimer in the
+ *         documentation and/or other materials provided with the distribution.
+ *       * Neither the name of Texas Instruments Incorporated nor the
+ *         names of its contributors may be used to endorse or promote products
+ *         derived from this software without specific prior written permission.
+ *
+ *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ *   AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ *   IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 
+ *   ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ *   LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ *   CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ *   SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ *   INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ *   CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ *   ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
+ *   THE POSSIBILITY OF SUCH DAMAGE.
+ *****************************************************************************/
+#include "cpu.h"
+
+/*-----------------------------------------------------------------------------
+* The template for non rotl applicable scalar types
+*----------------------------------------------------------------------------*/
+#define SCALAR(type, utype) \
+_CLC_OVERLOAD _CLC_DEF type rotate(type v, type i) \
+{\
+    uint bits = sizeof(v) << 3;\
+    uint mask = bits - 1; \
+    i &= mask; \
+    if (i == 0) return v; \
+    return (v << i) | ((utype)v >> (bits-i)); \
+}\
+
+SCALAR(uchar, uchar)
+SCALAR(char, uchar)
+SCALAR(ushort, ushort)
+SCALAR(short, ushort)
+SCALAR(ulong, ulong)
+SCALAR(long, ulong)
+SCALAR(int, uint)
+
+BINARY_VEC_DEF(char, char,  rotate, rotate)
+BINARY_VEC_DEF(uchar, uchar, rotate, rotate)
+BINARY_VEC_DEF(short, short, rotate, rotate)
+BINARY_VEC_DEF(ushort, ushort,rotate, rotate)
+BINARY_VEC_DEF(int, int,   rotate, rotate)
+BINARY_VEC_DEF(uint, uint,  rotate, rotate)
+BINARY_VEC_DEF(long, long,  rotate, rotate)
+BINARY_VEC_DEF(ulong, ulong, rotate, rotate)