Author: jvesely Date: Thu Jun 7 13:27:58 2018 New Revision: 334228 URL: http://llvm.org/viewvc/llvm-project?rev=334228&view=rev Log: r600/fmin: Flush denormals before calling builtin.
Same reason as amdgcn. Fixes fmin, minmag CTS on turks. Reviewer: Tom Stellard <tstel...@redhat.com> Signed-off-by: Jan Vesely <jan.ves...@rutgers.edu> Added: libclc/trunk/r600/lib/math/fmin.cl Modified: libclc/trunk/r600/lib/SOURCES Modified: libclc/trunk/r600/lib/SOURCES URL: http://llvm.org/viewvc/llvm-project/libclc/trunk/r600/lib/SOURCES?rev=334228&r1=334227&r2=334228&view=diff ============================================================================== --- libclc/trunk/r600/lib/SOURCES (original) +++ libclc/trunk/r600/lib/SOURCES Thu Jun 7 13:27:58 2018 @@ -1,4 +1,5 @@ math/fmax.cl +math/fmin.cl synchronization/barrier_impl.ll workitem/get_global_offset.cl workitem/get_group_id.cl Added: libclc/trunk/r600/lib/math/fmin.cl URL: http://llvm.org/viewvc/llvm-project/libclc/trunk/r600/lib/math/fmin.cl?rev=334228&view=auto ============================================================================== --- libclc/trunk/r600/lib/math/fmin.cl (added) +++ libclc/trunk/r600/lib/math/fmin.cl Thu Jun 7 13:27:58 2018 @@ -0,0 +1,30 @@ +#include <clc/clc.h> + +#include "../../../generic/lib/clcmacro.h" +#include "../../../generic/lib/math/math.h" + +_CLC_DEF _CLC_OVERLOAD float fmin(float x, float y) +{ + /* fcanonicalize removes sNaNs and flushes denormals if not enabled. + * Otherwise fmin instruction flushes the values for comparison, + * but outputs original denormal */ + x = __clc_flush_denormal_if_not_supported(x); + y = __clc_flush_denormal_if_not_supported(y); + return __builtin_fminf(x, y); +} +_CLC_BINARY_VECTORIZE(_CLC_OVERLOAD _CLC_DEF, float, fmin, float, float) + +#ifdef cl_khr_fp64 + +#pragma OPENCL EXTENSION cl_khr_fp64 : enable + +_CLC_DEF _CLC_OVERLOAD double fmin(double x, double y) +{ + return __builtin_fmin(x, y); +} +_CLC_BINARY_VECTORIZE(_CLC_OVERLOAD _CLC_DEF, double, fmin, double, double) + +#endif + +#define __CLC_BODY <../../../generic/lib/math/fmin.inc> +#include <clc/math/gentype.inc> _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org http://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits