Negate
The neg instructions, short for negate, are used to negate a number. That is, turn a positive number into a negative number and a negative number into a positive number.
Syntax
;; load a number onto the stack
f32.const 2.7
;; round down
f32.neg
;; the top item on the stack will now be 2
| Instruction | Binary opcode |
|---|---|
f32.neg |
0x8c |
f64.neg |
0x9a |