This is a collection of Intel®’ IA32® Software Developer's Manuals (URL of the day) and AMD' AMD64 Architecture Programmer's Manual together with the related specifications, application notes, white papers, and change logs. The collection aims to keep all available revisions. It was originally created by Michal Necasek, see OS/2 Museum.

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MADD

Multiply-add

This instruction multiplies two register values, adds a third register value, and writes the result to the destination register.

This instruction is used by the alias MUL.

Decode for all variants of this encoding

let d : integer{} = UInt(Rd); let n : integer{} = UInt(Rn); let m : integer{} = UInt(Rm); let a : integer{} = UInt(Ra); let datasize : integer{} = 32 << UInt(sf);