FCVT.S.L

Convert Long to Float

FCVT.S.L rd, rs1

Converts a 64-bit signed integer (Long) to a single-precision float.

Encoding

Binary Layout

110100000010

31:20

rs1

19:15

rm

14:12

rd

11:7

1010011

6:0

 

Format I-Type (Float)

Opcode 0xD0200053

Extension F

Operands

• rd
  Dest (Float)
• rs1
  Source (Long Int)

Example

FCVT.S.L f1, x10

// 64-bit int -> 32-bit float.

Related

More in F

Reference

View in RISC-V Unprivileged ISA Specification ↗ RISC-V ISA Manual

Description

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.

Operation

F[rd] = i64_to_f32(R[rs1]);