英特尔® C++ 编译器

_mm_fmadd_ss

Multiply-adds scalar single-precision floating-point values using three float32vectors. The corresponding FMA instruction is VFMADD<XXX>SS, where XXX could be 132, 213, or 231.

_mm_fnmsub_ss

Multiply-subtracts negated scalar single-precision floating-point values of three float32 vectors. The corresponding FMA instruction is VFNMSUB<XXX>SS, where XXX could be 132, 213, or 231.

订阅 英特尔® C++ 编译器