fcvt.d.w

Floating-Point Convert Word to Double-Precision

The fcvt.d.w instruction converts a 32-bit signed integer, in integer register xs1 into a double-precision floating-point number in floating-point register fd. Note fcvt.d.w always produces an exact result and is unaffected by rounding mode.

Assembly format

fcvt.d.w fd, xs1, rm

Decode Variables

Bits<5> xs1 = $encoding[19:15];
Bits<3> rm = $encoding[14:12];
Bits<5> fd = $encoding[11:7];

Execution

Encoding

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Defining extension

(D ࣷ Zdinx)

Access

M

Always

Containing profiles

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

  • Optional: None