P4 to Git Change 1219975 by fdaniil@spb_fdaniil_amd_hsa_brigvar_test on 2015/12/11 08:44:02

SWDEV-77584 - enable cl_khr_int64_base_atomics extension in 32bit HSAIL compiler - it's already supported. the extension used in OpenMM library and FAHBench.

	significantly reduces perfomance drop in bug 11198 http://ocltc.amd.com/bugs/show_bug.cgi?id=11198

	http://ocltc.amd.com/reviews/r/9223/

	reviewer: German Andryeyev
	testing: smoke, precheckin

Affected files ...

... //depot/stg/opencl/drivers/opencl/runtime/device/gpu/gpusettings.cpp#339 edit

rocclr/runtime/device/gpu/gpusettings.cpp

@@ -305,11 +305,8 @@ Settings::create(
         partialDispatch_    = GPU_PARTIAL_DISPATCH;
         numMemDependencies_ = GPU_NUM_MEM_DEPENDENCY;
 
-        //! @todo HSAIL doesn't support 64 bit atomic on 32 bit!
-        if (LP64_SWITCH(!hsail_, true)) {
-            enableExtension(ClKhrInt64BaseAtomics);
-            enableExtension(ClKhrInt64ExtendedAtomics);
-        }
+        enableExtension(ClKhrInt64BaseAtomics);
+        enableExtension(ClKhrInt64ExtendedAtomics);
         enableExtension(ClKhrImage2dFromBuffer);
         break;
     default: