转换

**convert** 指令用于将整数转换为浮点数。此指令有带符号和无符号版本。

试一试

语法

wasm

;; push an i32 onto the stack
i32.const 10

;; convert from signed i32 to f32
f32.convert_i32_s

;; the top item on the stack will now be the value 10 of type f32

指令	二进制操作码
`f32.convert_i32_s`	`0xb2`
`f32.convert_i32_u`	`0xb3`
`f32.convert_i64_s`	`0xb4`
`f32.convert_i64_u`	`0xb5`
`f64.convert_i32_s`	`0xb7`
`f64.convert_i32_u`	`0xb8`
`f64.convert_i64_s`	`0xb9`
`f64.convert_i64_u`	`0xba`