Author: jvesely
Date: Fri Apr 6 15:00:00 2018
New Revision: 329462
URL: http://llvm.org/viewvc/llvm-project?rev=329462&view=rev
Log:
select: simplify implementation and fix fp16
Fix half precision implementation
Vector ?: operator should behave exactly as select
Passes CTS on carrizo
Signed-off-by: Jan Vesely <jan.ves...@rutgers.edu>
Reviewer: Jeroen Ketema <j.ket...@xs4all.nl>
Modified:
libclc/trunk/generic/lib/relational/select.inc
Modified: libclc/trunk/generic/lib/relational/select.inc
URL:
http://llvm.org/viewvc/llvm-project/libclc/trunk/generic/lib/relational/select.inc?rev=329462&r1=329461&r2=329462&view=diff
==============================================================================
--- libclc/trunk/generic/lib/relational/select.inc (original)
+++ libclc/trunk/generic/lib/relational/select.inc Fri Apr 6 15:00:00 2018
@@ -9,39 +9,25 @@
#define __CLC_S_GENTYPE __CLC_XCONCAT(int, __CLC_VECSIZE)
#define __CLC_U_GENTYPE __CLC_XCONCAT(uint, __CLC_VECSIZE)
#elif __CLC_FPSIZE == 16
-#define __CLC_S_GENTYPE __CLC_XCONCAT(char, __CLC_VECSIZE)
-#define __CLC_U_GENTYPE __CLC_XCONCAT(uchar, __CLC_VECSIZE)
-#endif
-#ifdef __CLC_FPSIZE
-#define __CLC_GENSIZE __CLC_FPSIZE
+#define __CLC_S_GENTYPE __CLC_XCONCAT(short, __CLC_VECSIZE)
+#define __CLC_U_GENTYPE __CLC_XCONCAT(ushort, __CLC_VECSIZE)
#endif
-#define __CLC_AS_S_GENTYPE __CLC_XCONCAT(as_, __CLC_S_GENTYPE)
-#define __CLC_AS_GENTYPE __CLC_XCONCAT(as_, __CLC_GENTYPE)
-
_CLC_OVERLOAD _CLC_DEF __CLC_GENTYPE select(__CLC_GENTYPE x, __CLC_GENTYPE y,
__CLC_S_GENTYPE z)
{
-#ifdef __CLC_SCALAR
return z ? y : x;
-#else
- __CLC_S_GENTYPE bitmask = z >> (__CLC_GENSIZE - 1);
- return __CLC_AS_GENTYPE(bitselect(__CLC_AS_S_GENTYPE(x),
__CLC_AS_S_GENTYPE(y), bitmask));
-#endif
}
_CLC_OVERLOAD _CLC_DEF __CLC_GENTYPE select(__CLC_GENTYPE x, __CLC_GENTYPE y,
__CLC_U_GENTYPE z)
{
- return select(x, y, __CLC_AS_S_GENTYPE(z));
+ return z ? y : x;
}
-#undef __CLC_AS_S_GENTYPE
-#undef __CLC_AS_GENTYPE
-
#ifdef __CLC_FPSIZE
#undef __CLC_S_GENTYPE
#undef __CLC_U_GENTYPE
-#undef __CLC_GENSIZE
#endif
+
#ifdef __CLC_SCALAR
#undef __CLC_VECSIZE
#endif
_______________________________________________
cfe-commits mailing list
cfe-commits@lists.llvm.org
http://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
