added updated version of simdmathlibrary-1.0.1

Extras/simdmathlibrary/spu/simdmath/_vec_utils.h

@@ -0,0 +1,57 @@
+/* Common types for SPU SIMD Math Library
+   Copyright (C) 2006, 2007 Sony Computer Entertainment Inc.
+   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 the Sony Computer Entertainment Inc 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.
+ */
+
+#ifndef ___SIMD_MATH__VEC_UTILS_H___
+#define ___SIMD_MATH__VEC_UTILS_H___
+
+/*
+ * extend spu_cmpgt function to 64bit data
+ */
+static inline vec_uint4
+__vec_gt64_half(vec_uint4 aa, vec_uint4 bb)
+{
+  vec_uint4 gt = spu_cmpgt(aa, bb);  // aa > bb
+  vec_uint4 eq = spu_cmpeq(aa, bb);  // aa = bb
+  return spu_or(gt, spu_and(eq, spu_rlqwbyte(gt, 4))); // only higher is right
+}
+static inline vec_uint4
+__vec_gt64(vec_uint4 aa, vec_uint4 bb)
+{
+  vec_uint4 gt_hi = __vec_gt64_half(aa, bb); // only higher is right
+  return spu_shuffle(gt_hi, gt_hi, ((vec_uchar16){ 0,1,2,3,0,1,2,3, 8,9,10,11, 8,9,10,11}));
+}
+
+static inline vec_uint4
+__vec_eq64_half(vec_uint4 aa, vec_uint4 bb)
+{
+  vec_uint4 eq = spu_cmpeq(aa, bb);
+  return spu_and(eq, spu_shuffle(eq, eq, ((vec_uchar16){4,5,6,7, 0,1,2,3, 12,13,14,15, 8,9,10,11})));
+}
+
+#endif