[libclc] r192382 - Implement isnan() builtin

[Tom Stellard]

Author: tstellar
Date: Thu Oct 10 14:08:41 2013
New Revision: 192382

URL: http://llvm.org/viewvc/llvm-project?rev=192382&view=rev
Log:
Implement isnan() builtin

Added:
    libclc/trunk/generic/include/clc/relational/isnan.h
    libclc/trunk/generic/lib/relational/isnan.cl
Modified:
    libclc/trunk/generic/include/clc/clc.h
    libclc/trunk/generic/include/clc/clcmacro.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=192382&r1=192381&r2=192382&view=diff
==============================================================================
--- libclc/trunk/generic/include/clc/clc.h (original)
+++ libclc/trunk/generic/include/clc/clc.h Thu Oct 10 14:08:41 2013
@@ -94,6 +94,7 @@
 /* 6.11.6 Relational Functions */
 #include <clc/relational/any.h>
 #include <clc/relational/bitselect.h>
+#include <clc/relational/isnan.h>
 #include <clc/relational/select.h>
 
 /* 6.11.8 Synchronization Functions */

Modified: libclc/trunk/generic/include/clc/clcmacro.h
URL: http://llvm.org/viewvc/llvm-project/libclc/trunk/generic/include/clc/clcmacro.h?rev=192382&r1=192381&r2=192382&view=diff
==============================================================================
--- libclc/trunk/generic/include/clc/clcmacro.h (original)
+++ libclc/trunk/generic/include/clc/clcmacro.h Thu Oct 10 14:08:41 2013
@@ -40,3 +40,9 @@
   DECLSPEC RET_TYPE##16 FUNCTION(ARG1_TYPE##16 x, ARG2_TYPE##16 y) { \
     return (RET_TYPE##16)(FUNCTION(x.lo, y.lo), FUNCTION(x.hi, y.hi)); \
   }
+
+#define _CLC_DEFINE_UNARY_BUILTIN(RET_TYPE, FUNCTION, BUILTIN, ARG1_TYPE) \
+_CLC_DEF _CLC_OVERLOAD RET_TYPE FUNCTION(ARG1_TYPE x) { \
+  return BUILTIN(x); \
+} \
+_CLC_UNARY_VECTORIZE(_CLC_OVERLOAD _CLC_DEF, RET_TYPE, FUNCTION, ARG1_TYPE)

Added: libclc/trunk/generic/include/clc/relational/isnan.h
URL: http://llvm.org/viewvc/llvm-project/libclc/trunk/generic/include/clc/relational/isnan.h?rev=192382&view=auto
==============================================================================
--- libclc/trunk/generic/include/clc/relational/isnan.h (added)
+++ libclc/trunk/generic/include/clc/relational/isnan.h Thu Oct 10 14:08:41 2013
@@ -0,0 +1,21 @@
+
+#define _CLC_ISNAN_DECL(RET_TYPE, ARG_TYPE) \
+  _CLC_OVERLOAD _CLC_DECL RET_TYPE isnan(ARG_TYPE);
+
+#define _CLC_VECTOR_ISNAN_DECL(RET_TYPE, ARG_TYPE) \
+  _CLC_ISNAN_DECL(RET_TYPE##2, ARG_TYPE##2) \
+  _CLC_ISNAN_DECL(RET_TYPE##3, ARG_TYPE##3) \
+  _CLC_ISNAN_DECL(RET_TYPE##4, ARG_TYPE##4) \
+  _CLC_ISNAN_DECL(RET_TYPE##8, ARG_TYPE##8) \
+  _CLC_ISNAN_DECL(RET_TYPE##16, ARG_TYPE##16)
+
+_CLC_ISNAN_DECL(int, float)
+_CLC_VECTOR_ISNAN_DECL(int, float)
+
+#ifdef cl_khr_fp64
+_CLC_ISNAN_DECL(int, double)
+_CLC_VECTOR_ISNAN_DECL(long, double)
+#endif
+
+#undef _CLC_ISNAN_DECL
+#undef _CLC_VECTOR_ISNAN_DECL

Modified: libclc/trunk/generic/lib/SOURCES
URL: http://llvm.org/viewvc/llvm-project/libclc/trunk/generic/lib/SOURCES?rev=192382&r1=192381&r2=192382&view=diff
==============================================================================
--- libclc/trunk/generic/lib/SOURCES (original)
+++ libclc/trunk/generic/lib/SOURCES Thu Oct 10 14:08:41 2013
@@ -27,6 +27,7 @@ math/fmin.cl
 math/hypot.cl
 math/mad.cl
 relational/any.cl
+relational/isnan.cl
 shared/clamp.cl
 shared/max.cl
 shared/min.cl

Added: libclc/trunk/generic/lib/relational/isnan.cl
URL: http://llvm.org/viewvc/llvm-project/libclc/trunk/generic/lib/relational/isnan.cl?rev=192382&view=auto
==============================================================================
--- libclc/trunk/generic/lib/relational/isnan.cl (added)
+++ libclc/trunk/generic/lib/relational/isnan.cl Thu Oct 10 14:08:41 2013
@@ -0,0 +1,17 @@
+#include <clc/clc.h>
+
+_CLC_DEFINE_UNARY_BUILTIN(int, isnan, __builtin_isnan, float)
+
+#ifdef cl_khr_fp64
+
+#pragma OPENCL EXTENSION cl_khr_fp64 : enable
+
+// The scalar version of isnan(double) returns an int, but the vector versions
+// return long.
+_CLC_DEF _CLC_OVERLOAD int isnan(double x) {
+  return __builtin_isnan(x);
+}
+
+_CLC_UNARY_VECTORIZE(_CLC_OVERLOAD _CLC_DEF, long, isnan, double)
+
+#endif