Promote
The promote instruction, is used to convert (promote) numbers of type f32 to type f64.
Try it
Syntax
wasm
;; push an f32 onto the stack
f32.const 10.5
;; promote from f32 to f64
f64.promote_f32
;; the top item on the stack will now be the value 10.5 of type f64
| Instruction | Binary opcode |
|---|---|
f64.promote_f32 |
0xbb |