================ @@ -136,6 +136,7 @@ static constexpr fltSemantics semIEEEquad = {16383, -16382, 113, 128}; static constexpr fltSemantics semFloat8E5M2 = {15, -14, 3, 8}; static constexpr fltSemantics semFloat8E5M2FNUZ = { 15, -15, 3, 8, fltNonfiniteBehavior::NanOnly, fltNanEncoding::NegativeZero}; +static constexpr fltSemantics semFloat8E4M3 = {7, -6, 4, 8}; ---------------- apivovarov wrote:
`f8E4M3` type follows IEEE 754 convention: - Exponent bias: 7 - Maximum stored exponent value: 14 (binary 1110) - Maximum unbiased exponent value: 14 - 7 = 7 - Minimum stored exponent value: 1 (binary 0001) - Minimum unbiased exponent value: 1 − 7 = −6 - Precision specifies the total number of bits used for the significand (mantisa), including implicit leading integer bit = 3 + 1 = 4 `fltSemantics semFloat8E4M3 = {7, -6, 4, 8};`: - maxExponent = 7 - minExponent = -6 - precision = 4 - sizeInBits = 8 - nonFiniteBehavior = fltNonfiniteBehavior::IEEE754 - nanEncoding = fltNanEncoding::IEEE https://github.com/llvm/llvm-project/pull/97179 _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits