added updated version of simdmathlibrary-1.0.1

Extras/simdmathlibrary/spu/simdmath/llabsi2.h

@@ -0,0 +1,50 @@
+/* llabsi2 - returns absolute value of input.
+   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_LLABSI2_H___
+#define ___SIMD_MATH_LLABSI2_H___
+
+#include <simdmath.h>
+#include <spu_intrinsics.h>
+
+static inline vector signed long long
+_llabsi2 (vector signed long long in)
+{
+  vec_uint4 sign = (vec_uint4)spu_rlmaska((vec_int4)in, -31);
+  sign = spu_shuffle(sign, sign, ((vec_uchar16){ 0,0,0,0,0,0,0,0, 8,8,8,8,8,8,8,8}));
+
+  vec_uint4 add_1 = ((vec_uint4){0,1,0,1});
+  vec_uint4 res = spu_nor((vec_uint4)in, (vec_uint4)in);
+  res = spu_addx( res, add_1, spu_slqwbyte(spu_genc(res, add_1), 4));
+  res = spu_sel( (vec_uint4)in, res, sign);
+
+  return ((vec_llong2)(res));
+}
+
+#endif