[libclc] r232977 - Implement fast_length builtin

[Tom Stellard]

Author: tstellar
Date: Mon Mar 23 13:10:02 2015
New Revision: 232977

URL: http://llvm.org/viewvc/llvm-project?rev=232977&view=rev
Log:
Implement fast_length builtin

This implementation was ported from the AMD builtin library
and has been tested with piglit, OpenCV, and the ocl conformance tests.

Added:
    libclc/trunk/generic/include/clc/geometric/fast_length.h
    libclc/trunk/generic/include/clc/geometric/fast_length.inc
    libclc/trunk/generic/lib/geometric/fast_length.cl
Modified:
    libclc/trunk/generic/include/clc/clc.h
    libclc/trunk/generic/lib/SOURCES

Modified: libclc/trunk/generic/include/clc/clc.h
URL: http://llvm.org/viewvc/llvm-project/libclc/trunk/generic/include/clc/clc.h?rev=232977&r1=232976&r2=232977&view=diff
==============================================================================
--- libclc/trunk/generic/include/clc/clc.h (original)
+++ libclc/trunk/generic/include/clc/clc.h Mon Mar 23 13:10:02 2015
@@ -120,6 +120,7 @@
 #include <clc/geometric/cross.h>
 #include <clc/geometric/distance.h>
 #include <clc/geometric/dot.h>
+#include <clc/geometric/fast_length.h>
 #include <clc/geometric/length.h>
 #include <clc/geometric/normalize.h>
 

Added: libclc/trunk/generic/include/clc/geometric/fast_length.h
URL: http://llvm.org/viewvc/llvm-project/libclc/trunk/generic/include/clc/geometric/fast_length.h?rev=232977&view=auto
==============================================================================
--- libclc/trunk/generic/include/clc/geometric/fast_length.h (added)
+++ libclc/trunk/generic/include/clc/geometric/fast_length.h Mon Mar 23 13:10:02 2015
@@ -0,0 +1,24 @@
+/*
+ * Copyright (c) 2014,2015 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+#define __CLC_BODY <clc/geometric/fast_length.inc>
+#include <clc/geometric/floatn.inc>

Added: libclc/trunk/generic/include/clc/geometric/fast_length.inc
URL: http://llvm.org/viewvc/llvm-project/libclc/trunk/generic/include/clc/geometric/fast_length.inc?rev=232977&view=auto
==============================================================================
--- libclc/trunk/generic/include/clc/geometric/fast_length.inc (added)
+++ libclc/trunk/generic/include/clc/geometric/fast_length.inc Mon Mar 23 13:10:02 2015
@@ -0,0 +1,23 @@
+/*
+ * Copyright (c) 2014,2015 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+_CLC_OVERLOAD _CLC_DECL __CLC_FLOAT fast_length(__CLC_FLOATN p0);

Modified: libclc/trunk/generic/lib/SOURCES
URL: http://llvm.org/viewvc/llvm-project/libclc/trunk/generic/lib/SOURCES?rev=232977&r1=232976&r2=232977&view=diff
==============================================================================
--- libclc/trunk/generic/lib/SOURCES (original)
+++ libclc/trunk/generic/lib/SOURCES Mon Mar 23 13:10:02 2015
@@ -36,6 +36,7 @@ common/step.cl
 geometric/cross.cl
 geometric/distance.cl
 geometric/dot.cl
+geometric/fast_length.cl
 geometric/length.cl
 geometric/normalize.cl
 integer/abs.cl

Added: libclc/trunk/generic/lib/geometric/fast_length.cl
URL: http://llvm.org/viewvc/llvm-project/libclc/trunk/generic/lib/geometric/fast_length.cl?rev=232977&view=auto
==============================================================================
--- libclc/trunk/generic/lib/geometric/fast_length.cl (added)
+++ libclc/trunk/generic/lib/geometric/fast_length.cl Mon Mar 23 13:10:02 2015
@@ -0,0 +1,60 @@
+/*
+ * Copyright (c) 2014 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+#include <clc/clc.h>
+
+_CLC_OVERLOAD _CLC_DEF float fast_length(float p) {
+  return fabs(p);
+}
+
+_CLC_OVERLOAD _CLC_DEF float fast_length(float2 p) {
+  return half_sqrt(dot(p, p));
+}
+
+_CLC_OVERLOAD _CLC_DEF float fast_length(float3 p) {
+  return half_sqrt(dot(p, p));
+}
+
+_CLC_OVERLOAD _CLC_DEF float fast_length(float4 p) {
+  return half_sqrt(dot(p, p));
+}
+
+#ifdef cl_khr_fp64
+#pragma OPENCL EXTENSION cl_khr_fp64 : enable
+
+_CLC_OVERLOAD _CLC_DEF double fast_length(double p) {
+  return fabs(p);
+}
+
+_CLC_OVERLOAD _CLC_DEF double fast_length(double2 p) {
+  return half_sqrt(dot(p, p));
+}
+
+_CLC_OVERLOAD _CLC_DEF double fast_length(double3 p) {
+  return half_sqrt(dot(p, p));
+}
+
+_CLC_OVERLOAD _CLC_DEF double fast_length(double4 p) {
+  return half_sqrt(dot(p, p));
+}
+
+#endif