Author: jvesely
Date: Wed May 2 22:44:28 2018
New Revision: 331435
URL: http://llvm.org/viewvc/llvm-project?rev=331435&view=rev
Log:
remquo: Flush denormals if not supported
It's OK to either flush to 0 or return denormal result if the device
does not support denormals. See sec 7.2 and 7.5.3 of OCL specs.
Fixes CTS on carrizo and turks.
Signed-off-by: Jan Vesely <jan.ves...@rutgers.edu>
Reviewer: Aaron Watry <awa...@gmail.com>
Modified:
libclc/trunk/generic/lib/math/clc_remquo.cl
Modified: libclc/trunk/generic/lib/math/clc_remquo.cl
URL:
http://llvm.org/viewvc/llvm-project/libclc/trunk/generic/lib/math/clc_remquo.cl?rev=331435&r1=331434&r2=331435&view=diff
==============================================================================
--- libclc/trunk/generic/lib/math/clc_remquo.cl (original)
+++ libclc/trunk/generic/lib/math/clc_remquo.cl Wed May 2 22:44:28 2018
@@ -29,6 +29,8 @@
_CLC_DEF _CLC_OVERLOAD float __clc_remquo(float x, float y, __private int *quo)
{
+ x = __clc_flush_denormal_if_not_supported(x);
+ y = __clc_flush_denormal_if_not_supported(y);
int ux = as_int(x);
int ax = ux & EXSIGNBIT_SP32;
float xa = as_float(ax);
_______________________________________________
cfe-commits mailing list
cfe-commits@lists.llvm.org
http://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
