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