f64.ceil
f64 unary ceil operation.
core0x9B
Syntax
f64.ceil
Stack Effect
[f64] -> [f64]Opcode
- Hex
0x9B- Decimal
155- Bytes
[0x9b]- Encoding
0x9B- Category
- numeric
Browser Support
Core WebAssembly instruction.
Validation Rules
- Operands and result types must match the instruction signature.
- The instruction must appear in a valid structured control context.
Common Mistakes
- Using the instruction with the wrong operand type.
- Forgetting that WAT validation is stack-typed.
(func $example
;; f64.ceil example
)