[Libclc-dev] [PATCH 2/2] relational: Add islessequal(floatN) builtin

Jan Vesely jan.vesely at rutgers.edu
Thu Jul 31 17:09:39 PDT 2014


---
 generic/include/clc/clc.h                    |  1 +
 generic/include/clc/relational/islessequal.h |  9 +++++++++
 generic/lib/SOURCES                          |  1 +
 generic/lib/relational/islessequal.cl        | 22 ++++++++++++++++++++++
 4 files changed, 33 insertions(+)
 create mode 100644 generic/include/clc/relational/islessequal.h
 create mode 100644 generic/lib/relational/islessequal.cl

diff --git a/generic/include/clc/clc.h b/generic/include/clc/clc.h
index 83bf8fa..9815c56 100644
--- a/generic/include/clc/clc.h
+++ b/generic/include/clc/clc.h
@@ -116,6 +116,7 @@
 #include <clc/relational/isgreater.h>
 #include <clc/relational/isgreaterequal.h>
 #include <clc/relational/isless.h>
+#include <clc/relational/islessequal.h>
 #include <clc/relational/isnan.h>
 #include <clc/relational/isnotequal.h>
 #include <clc/relational/select.h>
diff --git a/generic/include/clc/relational/islessequal.h b/generic/include/clc/relational/islessequal.h
new file mode 100644
index 0000000..a3215a2
--- /dev/null
+++ b/generic/include/clc/relational/islessequal.h
@@ -0,0 +1,9 @@
+#undef islessequal
+
+#define __CLC_FUNCTION islessequal
+#define __CLC_BODY <clc/relational/binary_decl.inc>
+
+#include <clc/relational/floatn.inc>
+
+#undef __CLC_BODY
+#undef __CLC_FUNCTION
diff --git a/generic/lib/SOURCES b/generic/lib/SOURCES
index 7faba40..bfdec7b 100644
--- a/generic/lib/SOURCES
+++ b/generic/lib/SOURCES
@@ -49,6 +49,7 @@ relational/isequal.cl
 relational/isgreater.cl
 relational/isgreaterequal.cl
 relational/isless.cl
+relational/islessequal.cl
 relational/isnan.cl
 relational/isnotequal.cl
 relational/signbit.cl
diff --git a/generic/lib/relational/islessequal.cl b/generic/lib/relational/islessequal.cl
new file mode 100644
index 0000000..259c307
--- /dev/null
+++ b/generic/lib/relational/islessequal.cl
@@ -0,0 +1,22 @@
+#include <clc/clc.h>
+#include "relational.h"
+
+//Note: It would be nice to use __builtin_islessequal with vector inputs, but it seems to only take scalar values as
+//      input, which will produce incorrect output for vector input types.
+
+_CLC_DEFINE_RELATIONAL_BINARY(int, islessequal, __builtin_islessequal, float, float)
+
+#ifdef cl_khr_fp64
+
+#pragma OPENCL EXTENSION cl_khr_fp64 : enable
+
+// The scalar version of islessequal(double, double) returns an int, but the vector versions
+// return long.
+
+_CLC_DEF _CLC_OVERLOAD int islessequal(double x, double y){
+	return __builtin_islessequal(x, y);
+}
+
+_CLC_DEFINE_RELATIONAL_BINARY_VEC_ALL(long, islessequal, double, double)
+
+#endif
-- 
1.9.3





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