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 1//go:build amd64 && !purego
 2// +build amd64,!purego
 3
 4package fp448
 5
 6import (
 7	"golang.org/x/sys/cpu"
 8)
 9
10var hasBmi2Adx = cpu.X86.HasBMI2 && cpu.X86.HasADX
11
12var _ = hasBmi2Adx
13
14func cmov(x, y *Elt, n uint)  { cmovAmd64(x, y, n) }
15func cswap(x, y *Elt, n uint) { cswapAmd64(x, y, n) }
16func add(z, x, y *Elt)        { addAmd64(z, x, y) }
17func sub(z, x, y *Elt)        { subAmd64(z, x, y) }
18func addsub(x, y *Elt)        { addsubAmd64(x, y) }
19func mul(z, x, y *Elt)        { mulAmd64(z, x, y) }
20func sqr(z, x *Elt)           { sqrAmd64(z, x) }
21
22/* Functions defined in fp_amd64.s */
23
24//go:noescape
25func cmovAmd64(x, y *Elt, n uint)
26
27//go:noescape
28func cswapAmd64(x, y *Elt, n uint)
29
30//go:noescape
31func addAmd64(z, x, y *Elt)
32
33//go:noescape
34func subAmd64(z, x, y *Elt)
35
36//go:noescape
37func addsubAmd64(x, y *Elt)
38
39//go:noescape
40func mulAmd64(z, x, y *Elt)
41
42//go:noescape
43func sqrAmd64(z, x *Elt)