fmadd.d

Floating-Point Multiply-Add Double-Precision

The fmadd.d instruction multiplies the values in fs1 and fs2, adds the value in fs3, and writes the final result to fd.

Assembly format

fmadd.d fd, fs1, fs2, fs3, rm

Decode Variables

Bits<5> fs3 = $encoding[31:27];
Bits<5> fs2 = $encoding[24:20];
Bits<5> fs1 = $encoding[19:15];
Bits<3> rm = $encoding[14:12];
Bits<5> fd = $encoding[11:7];

Execution

Encoding

svg

Defining extension

(D ࣷ Zdinx)

Access

M

Always

Containing profiles

  • Mandatory: RVA20S64, RVA20U64, RVA22S64, RVA22U64, RVA23S64, RVA23U64, RVB23S64, RVB23U64

  • Optional: None