38 lines
705 B
Go
38 lines
705 B
Go
//go:build ignore
|
|
|
|
package main
|
|
|
|
import (
|
|
"fmt"
|
|
|
|
. "sources.truenas.cloud/code/avo/build"
|
|
. "sources.truenas.cloud/code/avo/operand"
|
|
. "sources.truenas.cloud/code/avo/reg"
|
|
)
|
|
|
|
func main() {
|
|
variants := []struct {
|
|
Size int
|
|
Register func() GPVirtual
|
|
XOR func(Op, Op)
|
|
}{
|
|
{8, GP8L, XORB},
|
|
{16, GP16, XORW},
|
|
{32, GP32, XORL},
|
|
{64, GP64, XORQ},
|
|
}
|
|
|
|
for _, v := range variants {
|
|
name := fmt.Sprintf("Not%d", v.Size)
|
|
TEXT(name, NOSPLIT, "func(x bool) bool")
|
|
Doc(fmt.Sprintf("%s returns the boolean negation of x using a %d-bit intermediate.", name, v.Size))
|
|
x := v.Register()
|
|
Load(Param("x"), x)
|
|
v.XOR(U8(1), x)
|
|
Store(x.As8L(), ReturnIndex(0))
|
|
RET()
|
|
}
|
|
|
|
Generate()
|
|
}
|