[libclc] r236915 - Implement half_rsqrt builtin v3

Tom Stellard thomas.stellard at amd.com
Fri May 8 16:28:45 PDT 2015


Author: tstellar
Date: Fri May  8 18:28:44 2015
New Revision: 236915

URL: http://llvm.org/viewvc/llvm-project?rev=236915&view=rev
Log:
Implement half_rsqrt builtin v3

This is a generic implementation which just calls rsqrt.
Targets should override this if they want a faster implementation.

v2:
  - Alphabettize SOURCES

v3 (Jan Vesely):
  Limit to single precision types.

Added:
    libclc/trunk/generic/include/clc/math/half_rsqrt.h
    libclc/trunk/generic/lib/math/half_rsqrt.cl
    libclc/trunk/generic/lib/math/half_rsqrt.inc
Modified:
    libclc/trunk/generic/include/clc/clc.h
    libclc/trunk/generic/include/clc/math/gentype.inc
    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=236915&r1=236914&r2=236915&view=diff
==============================================================================
--- libclc/trunk/generic/include/clc/clc.h (original)
+++ libclc/trunk/generic/include/clc/clc.h Fri May  8 18:28:44 2015
@@ -57,6 +57,7 @@
 #include <clc/math/fmin.h>
 #include <clc/math/fmod.h>
 #include <clc/math/fract.h>
+#include <clc/math/half_rsqrt.h>
 #include <clc/math/half_sqrt.h>
 #include <clc/math/hypot.h>
 #include <clc/math/ldexp.h>

Modified: libclc/trunk/generic/include/clc/math/gentype.inc
URL: http://llvm.org/viewvc/llvm-project/libclc/trunk/generic/include/clc/math/gentype.inc?rev=236915&r1=236914&r2=236915&view=diff
==============================================================================
--- libclc/trunk/generic/include/clc/math/gentype.inc (original)
+++ libclc/trunk/generic/include/clc/math/gentype.inc Fri May  8 18:28:44 2015
@@ -40,6 +40,7 @@
 #undef __CLC_FPSIZE
 #undef __CLC_SCALAR_GENTYPE
 
+#ifndef __FLOAT_ONLY
 #ifdef cl_khr_fp64
 #define __CLC_SCALAR_GENTYPE double
 #define __CLC_FPSIZE 64
@@ -85,3 +86,4 @@
 #endif
 
 #undef __CLC_BODY
+#endif

Added: libclc/trunk/generic/include/clc/math/half_rsqrt.h
URL: http://llvm.org/viewvc/llvm-project/libclc/trunk/generic/include/clc/math/half_rsqrt.h?rev=236915&view=auto
==============================================================================
--- libclc/trunk/generic/include/clc/math/half_rsqrt.h (added)
+++ libclc/trunk/generic/include/clc/math/half_rsqrt.h Fri May  8 18:28:44 2015
@@ -0,0 +1,31 @@
+/*
+ * 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.
+ */
+
+#undef half_rsqrt
+
+#define __CLC_BODY <clc/math/unary_decl.inc>
+#define __CLC_FUNCTION half_rsqrt
+#define __FLOAT_ONLY
+#include <clc/math/gentype.inc>
+#undef __FLOAT_ONLY
+#undef __CLC_BODY
+#undef __CLC_FUNCTION

Modified: libclc/trunk/generic/lib/SOURCES
URL: http://llvm.org/viewvc/llvm-project/libclc/trunk/generic/lib/SOURCES?rev=236915&r1=236914&r2=236915&view=diff
==============================================================================
--- libclc/trunk/generic/lib/SOURCES (original)
+++ libclc/trunk/generic/lib/SOURCES Fri May  8 18:28:44 2015
@@ -82,6 +82,7 @@ math/fmax.cl
 math/fmin.cl
 math/fmod.cl
 math/fract.cl
+math/half_rsqrt.cl
 math/half_sqrt.cl
 math/hypot.cl
 math/clc_ldexp.cl

Added: libclc/trunk/generic/lib/math/half_rsqrt.cl
URL: http://llvm.org/viewvc/llvm-project/libclc/trunk/generic/lib/math/half_rsqrt.cl?rev=236915&view=auto
==============================================================================
--- libclc/trunk/generic/lib/math/half_rsqrt.cl (added)
+++ libclc/trunk/generic/lib/math/half_rsqrt.cl Fri May  8 18:28:44 2015
@@ -0,0 +1,28 @@
+/*
+ * 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.
+ */
+
+#include <clc/clc.h>
+
+#define __CLC_BODY <half_rsqrt.inc>
+#define __FLOAT_ONLY
+#include <clc/math/gentype.inc>
+#undef __FLOAT_ONLY

Added: libclc/trunk/generic/lib/math/half_rsqrt.inc
URL: http://llvm.org/viewvc/llvm-project/libclc/trunk/generic/lib/math/half_rsqrt.inc?rev=236915&view=auto
==============================================================================
--- libclc/trunk/generic/lib/math/half_rsqrt.inc (added)
+++ libclc/trunk/generic/lib/math/half_rsqrt.inc Fri May  8 18:28:44 2015
@@ -0,0 +1,25 @@
+/*
+ * 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_DEF __CLC_GENTYPE half_rsqrt(__CLC_GENTYPE val) {
+  return rsqrt(val);
+}





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