Author: Matt Arsenault Date: 2026-03-24T07:27:11Z New Revision: 32c6a53b767850183208aff8b783e6bc08f21515
URL: https://github.com/llvm/llvm-project/commit/32c6a53b767850183208aff8b783e6bc08f21515 DIFF: https://github.com/llvm/llvm-project/commit/32c6a53b767850183208aff8b783e6bc08f21515.diff LOG: libclc: Fix -cl-denorms-are-zero for rtp and rtn conversions (#188148) Added: Modified: libclc/clc/lib/generic/conversion/clc_convert_float.inc libclc/clc/lib/generic/conversion/clc_convert_float2float.cl Removed: ################################################################################ diff --git a/libclc/clc/lib/generic/conversion/clc_convert_float.inc b/libclc/clc/lib/generic/conversion/clc_convert_float.inc index 52244b2b68626..2e2d60d685576 100644 --- a/libclc/clc/lib/generic/conversion/clc_convert_float.inc +++ b/libclc/clc/lib/generic/conversion/clc_convert_float.inc @@ -120,6 +120,12 @@ _CLC_OVERLOAD _CLC_DEF __CLC_GENTYPE __CLC_XCONCAT(__CLC_FUNCTION, #endif __CLC_GENTYPE sel = __clc_select(r, __clc_nextup(r), __CLC_CONVERT_S_GENTYPE(y < x)); + +#ifndef __CLC_I2F + if (__CLC_GENTYPE_DENORMS_ARE_ZERO) + sel = __clc_select(sel, r, __CLC_CONVERT_S_GENTYPE(r == __CLC_FP_LIT(0.0))); +#endif + #if defined(__CLC_I2F) && (__CLC_FPSIZE == 16) && (__CLC_GENSIZE_SRC >= 16) half dst_min = -0x1.ffcp+15h; sel = __clc_max(sel, (__CLC_GENTYPE)dst_min); @@ -141,6 +147,12 @@ _CLC_OVERLOAD _CLC_DEF __CLC_GENTYPE __CLC_XCONCAT(__CLC_FUNCTION, c = c || __CLC_CONVERT_S_GENTYPE((__CLC_GENTYPE_SRC)__CLC_SRC_MAX == x); #endif __CLC_GENTYPE sel = __clc_select(r, __clc_nextdown(r), c); + +#ifndef __CLC_I2F + if (__CLC_GENTYPE_DENORMS_ARE_ZERO) + sel = __clc_select(sel, r, __CLC_CONVERT_S_GENTYPE(r == __CLC_FP_LIT(0.0))); +#endif + #if defined(__CLC_I2F) && (__CLC_FPSIZE == 16) && (__CLC_GENSIZE_SRC >= 16) #if defined(__CLC_GEN_S) && (__CLC_GENSIZE_SRC == 16) // short is 16 bits signed, so the maximum value rounded to negative infinity diff --git a/libclc/clc/lib/generic/conversion/clc_convert_float2float.cl b/libclc/clc/lib/generic/conversion/clc_convert_float2float.cl index 5280e528ffd58..2993a190d8236 100644 --- a/libclc/clc/lib/generic/conversion/clc_convert_float2float.cl +++ b/libclc/clc/lib/generic/conversion/clc_convert_float2float.cl @@ -13,6 +13,7 @@ #include "clc/math/clc_nextafter.h" #include "clc/math/clc_nextdown.h" #include "clc/math/clc_nextup.h" +#include "clc/math/clc_subnormal_config.h" #include "clc/relational/clc_select.h" #include "clc/shared/clc_clamp.h" _______________________________________________ cfe-commits mailing list [email protected] https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
