FCVT.D.L

Convert Long to Double

FCVT.D.L rd, rs1

Converts a 64-bit signed integer to a double-precision float.

Details

Converts between floating-point types or between floating-point and integer. Result is rounded according to the dynamic rounding mode. Invalid conversions produce the IEEE default NaN or the appropriate integer saturation value.

Pseudocode Operation

F[rd] = i64_to_f64(R[rs1]);

Example

FCVT.D.L f0, x10

Encoding

Binary Layout
1101001
31:25
00010
24:20
rs1
19:15
rm
rd
14:10
1010011
9:3
 
Format I-Type (Float)
Opcode 0x53
Extension D

Operands

  • rd
    Dest (Double)
  • rs1
    Source (Long)