From 67a0eb7111d3f89e4a0cb21e43aefe6d87d37e04 Mon Sep 17 00:00:00 2001
From: "kali kaneko (leap communications)" <kali@leap.se>
Date: Wed, 14 Apr 2021 16:54:42 +0200
Subject: [pkg] go mod vendor to build debian/ubuntu packages

---
 vendor/github.com/dchest/siphash/blocks_amd64.s | 86 +++++++++++++++++++++++++
 1 file changed, 86 insertions(+)
 create mode 100644 vendor/github.com/dchest/siphash/blocks_amd64.s

(limited to 'vendor/github.com/dchest/siphash/blocks_amd64.s')

diff --git a/vendor/github.com/dchest/siphash/blocks_amd64.s b/vendor/github.com/dchest/siphash/blocks_amd64.s
new file mode 100644
index 0000000..2d4816f
--- /dev/null
+++ b/vendor/github.com/dchest/siphash/blocks_amd64.s
@@ -0,0 +1,86 @@
+// +build amd64,!appengine,!gccgo
+
+#define ROUND(v0, v1, v2, v3) \
+	ADDQ v1, v0; \
+	RORQ $51, v1; \
+	ADDQ v3, v2; \
+	XORQ v0, v1; \
+	RORQ $48, v3; \
+	RORQ $32, v0; \
+	XORQ v2, v3; \
+	ADDQ v1, v2; \
+	ADDQ v3, v0; \
+	RORQ $43, v3; \
+	RORQ $47, v1; \
+	XORQ v0, v3; \
+	XORQ v2, v1; \
+	RORQ $32, v2
+
+// blocks(d *digest, data []uint8)
+TEXT ·blocks(SB),4,$0-32
+	MOVQ d+0(FP), BX
+	MOVQ 0(BX), R9		// R9 = v0
+	MOVQ 8(BX), R10		// R10 = v1
+	MOVQ 16(BX), R11	// R11 = v2
+	MOVQ 24(BX), R12	// R12 = v3
+	MOVQ p_base+8(FP), DI	// DI = *uint64
+	MOVQ p_len+16(FP), SI	// SI = nblocks
+	XORL DX, DX		// DX = index (0)
+	SHRQ $3, SI 		// SI /= 8
+body:
+	CMPQ DX, SI
+	JGE  end
+	MOVQ 0(DI)(DX*8), CX	// CX = m
+	XORQ CX, R12
+	ROUND(R9, R10, R11, R12)
+	ROUND(R9, R10, R11, R12)
+	XORQ CX, R9
+	ADDQ $1, DX
+	JMP  body
+end:
+	MOVQ R9, 0(BX)
+	MOVQ R10, 8(BX)
+	MOVQ R11, 16(BX)
+	MOVQ R12, 24(BX)
+	RET
+
+// once(d *digest)
+TEXT ·once(SB),4,$0-8
+	MOVQ d+0(FP), BX
+	MOVQ 0(BX), R9		// R9 = v0
+	MOVQ 8(BX), R10		// R10 = v1
+	MOVQ 16(BX), R11	// R11 = v2
+	MOVQ 24(BX), R12	// R12 = v3
+	MOVQ 48(BX), CX		// CX = d.x[:]
+	XORQ CX, R12
+	ROUND(R9, R10, R11, R12)
+	ROUND(R9, R10, R11, R12)
+	XORQ CX, R9
+	MOVQ R9, 0(BX)
+	MOVQ R10, 8(BX)
+	MOVQ R11, 16(BX)
+	MOVQ R12, 24(BX)
+	RET
+
+// finalize(d *digest) uint64
+TEXT ·finalize(SB),4,$0-16
+	MOVQ d+0(FP), BX
+	MOVQ 0(BX), R9		// R9 = v0
+	MOVQ 8(BX), R10		// R10 = v1
+	MOVQ 16(BX), R11	// R11 = v2
+	MOVQ 24(BX), R12	// R12 = v3
+	MOVQ 48(BX), CX		// CX = d.x[:]
+	XORQ CX, R12
+	ROUND(R9, R10, R11, R12)
+	ROUND(R9, R10, R11, R12)
+	XORQ CX, R9
+	NOTB R11
+	ROUND(R9, R10, R11, R12)
+	ROUND(R9, R10, R11, R12)
+	ROUND(R9, R10, R11, R12)
+	ROUND(R9, R10, R11, R12)
+	XORQ R12, R11
+	XORQ R10, R9
+	XORQ R11, R9
+	MOVQ R9, ret+8(FP)
+	RET
-- 
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