FCVT.D.S

Float Convert Single to Double

FCVT.D.S rd, rs1

Converts a single-precision float 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] = f32_to_f64(F[rs1]);

Example

FCVT.D.S f0, f1

Encoding

Binary Layout
010000100000
31:20
rs1
19:15
rm
14:12
rd
11:7
1010011
6:0
 
Format I-Type (Float)
Opcode 0x42000053
Extension D

Operands

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