FCVT.WU.S

Convert Float to Unsigned Word

FCVT.WU.S rd, rs1

Converts a single-precision float to a 32-bit unsigned integer.

Encoding

Binary Layout

110000000001

31:20

rs1

19:15

rm

14:12

rd

11:7

1010011

6:0

 

Format I-Type (Float)

Opcode 0xC0100053

Extension F

Operands

• rd
  Dest (UInt)
• rs1
  Source (Float)

Example

FCVT.WU.S x10, f1

// Float -> Unsigned Int.

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

R[rd] = sext(f32_to_u32(F[rs1]));