# salsa20_word_macos version 20050328
# D. J. Bernstein
# Public domain.

register int32 y0
register int32 y1
register int32 y2
register int32 y3
register int32 y4
register int32 y5
register int32 y6
register int32 y7
register int32 y8
register int32 y9
register int32 y10
register int32 y11
register int32 y12
register int32 y13
register int32 y14
register int32 y15
register int32 i
register int32 x0
register int32 x1
register int32 x2
register int32 x3
register int32 x4
register int32 x5
register int32 x6
register int32 x7
register int32 x8
register int32 x9
register int32 x10
register int32 x11
register int32 x12
register int32 x13
register int32 x14
register int32 x15
register int32 in
register int32 out

enter salsa20_word_macos
input out
input in

store callerint 31
store callerint 30
store callerint 29
store callerint 28
store callerint 27
store callerint 26
store callerint 25
store callerint 24
store callerint 23
store callerint 22
store callerint 21
store callerint 20
store callerint 19

x0 = *(uint32 *) (in + 0)
x1 = *(uint32 *) (in + 4)
x2 = *(uint32 *) (in + 8)
x3 = *(uint32 *) (in + 12)
x4 = *(uint32 *) (in + 16)
x5 = *(uint32 *) (in + 20)
x6 = *(uint32 *) (in + 24)
x7 = *(uint32 *) (in + 28)
x8 = *(uint32 *) (in + 32)
x9 = *(uint32 *) (in + 36)
x10 = *(uint32 *) (in + 40)
x11 = *(uint32 *) (in + 44)
x12 = *(uint32 *) (in + 48)
x13 = *(uint32 *) (in + 52)
x14 = *(uint32 *) (in + 56)
x15 = *(uint32 *) (in + 60)

i = 20
mainloop:

y4 = x0 + x12
		y9 = x5 + x1
y4 <<<= 7
				y14 = x10 + x6
		y9 <<<= 7
						y3 = x15 + x11
				y14 <<<= 7
x4 ^= y4
						y3 <<<= 7
		x9 ^= y9
				x14 ^= y14
						x3 ^= y3
y8 = x4 + x0
		y13 = x9 + x5
y8 <<<= 9
				y2 = x14 + x10
		y13 <<<= 9
						y7 = x3 + x15
				y2 <<<= 9
x8 ^= y8
						y7 <<<= 9
		x13 ^= y13
				x2 ^= y2
						x7 ^= y7
y12 = x8 + x4
		y1 = x13 + x9
y12 <<<= 13
				y6 = x2 + x14
		y1 <<<= 13
						y11 = x7 + x3
				y6 <<<= 13
x12 ^= y12
						y11 <<<= 13
		x1 ^= y1
				x6 ^= y6
						x11 ^= y11
y0 = x12 + x8
		y5 = x1 + x13
y0 <<<= 18
				y10 = x6 + x2
		y5 <<<= 18
						y15 = x11 + x7
				y10 <<<= 18
x0 ^= y0
						y15 <<<= 18
		x5 ^= y5
				x10 ^= y10
						x15 ^= y15
y1 = x0 + x3
		y6 = x5 + x4
y1 <<<= 7
				y11 = x10 + x9
		y6 <<<= 7
						y12 = x15 + x14
				y11 <<<= 7
x1 ^= y1
						y12 <<<= 7
		x6 ^= y6
				x11 ^= y11
						x12 ^= y12
y2 = x1 + x0
		y7 = x6 + x5
y2 <<<= 9
				y8 = x11 + x10
		y7 <<<= 9
						y13 = x12 + x15
lgeflags signed i = i - 2
x2 ^= y2
				y8 <<<= 9
		x7 ^= y7
						y13 <<<= 9
				x8 ^= y8
						x13 ^= y13
y3 = x2 + x1
		y4 = x7 + x6
				y9 = x8 + x11
y3 <<<= 13
						y14 = x13 + x12
		y4 <<<= 13
x3 ^= y3
				y9 <<<= 13
		x4 ^= y4
						y14 <<<= 13
				x9 ^= y9
						x14 ^= y14
y0 = x3 + x2
		y5 = x4 + x7
				y10 = x9 + x8
y0 <<<= 18
						y15 = x14 + x13
		y5 <<<= 18
x0 ^= y0
				y10 <<<= 18
		x5 ^= y5
						y15 <<<= 18
				x10 ^= y10
						x15 ^= y15
goto mainloop if >

y0 = *(uint32 *) (in + 0)
x0 += y0
y1 = *(uint32 *) (in + 4)
x1 += y1
y2 = *(uint32 *) (in + 8)
x2 += y2
y3 = *(uint32 *) (in + 12)
x3 += y3
y4 = *(uint32 *) (in + 16)
x4 += y4
y5 = *(uint32 *) (in + 20)
x5 += y5
y6 = *(uint32 *) (in + 24)
x6 += y6
y7 = *(uint32 *) (in + 28)
x7 += y7
y8 = *(uint32 *) (in + 32)
x8 += y8
y9 = *(uint32 *) (in + 36)
x9 += y9
y10 = *(uint32 *) (in + 40)
x10 += y10
y11 = *(uint32 *) (in + 44)
x11 += y11
y12 = *(uint32 *) (in + 48)
x12 += y12
y13 = *(uint32 *) (in + 52)
x13 += y13
y14 = *(uint32 *) (in + 56)
x14 += y14
y15 = *(uint32 *) (in + 60)
x15 += y15

*(uint32 *) (out + 0) = x0
*(uint32 *) (out + 4) = x1
*(uint32 *) (out + 8) = x2
*(uint32 *) (out + 12) = x3
*(uint32 *) (out + 16) = x4
*(uint32 *) (out + 20) = x5
*(uint32 *) (out + 24) = x6
*(uint32 *) (out + 28) = x7
*(uint32 *) (out + 32) = x8
*(uint32 *) (out + 36) = x9
*(uint32 *) (out + 40) = x10
*(uint32 *) (out + 44) = x11
*(uint32 *) (out + 48) = x12
*(uint32 *) (out + 52) = x13
*(uint32 *) (out + 56) = x14
*(uint32 *) (out + 60) = x15

load callerint 31
load callerint 30
load callerint 29
load callerint 28
load callerint 27
load callerint 26
load callerint 25
load callerint 24
load callerint 23
load callerint 22
load callerint 21
load callerint 20
load callerint 19

leave