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Improved x64 encoder

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This commit is contained in:
Eduard Urbach 2024-07-20 00:58:39 +02:00
parent b776775f8f
commit 2c2b6e93db
Signed by: eduard
GPG key ID: 49226B848C78F6C8
15 changed files with 317 additions and 53 deletions
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2
src/build/arch/x64/REX.go
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@ -3,5 +3,5 @@ package x64
// REX is used to generate a REX prefix.
// w, r, x and b can only be set to either 0 or 1.
func REX(w, r, x, b byte) byte {
return 0b_0100_0000 | (w << 3) | (r << 2) | (x << 1) | b
return 0b0100_0000 | (w << 3) | (r << 2) | (x << 1) | b
}