From 74957884685c3c3df9ef9540d2ff517017497a89 Mon Sep 17 00:00:00 2001
From: "Jason A. Donenfeld" <Jason@zx2c4.com>
Date: Thu, 16 Mar 2017 19:38:59 +0100
Subject: blake2s: add AVX implementation

---
 src/Kbuild | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'src/Kbuild')

diff --git a/src/Kbuild b/src/Kbuild
index 6425f6a..35dade7 100644
--- a/src/Kbuild
+++ b/src/Kbuild
@@ -6,6 +6,10 @@ wireguard-y := main.o noise.o device.o peer.o timers.o data.o send.o receive.o s
 wireguard-y += crypto/curve25519.o crypto/chacha20poly1305.o crypto/blake2s.o
 ifeq ($(CONFIG_X86_64),y)
 	wireguard-y += crypto/chacha20-ssse3-x86_64.o crypto/poly1305-sse2-x86_64.o
+avx_supported := $(call as-instr,vpxor %xmm0$(comma)%xmm0$(comma)%xmm0,yes,no)
+ifeq ($(avx_supported),yes)
+	wireguard-y += crypto/blake2s-avx-x86_64.o
+endif
 avx2_supported := $(call as-instr,vpgatherdd %ymm0$(comma)(%eax$(comma)%ymm1$(comma)4)$(comma)%ymm2,yes,no)
 ifeq ($(avx2_supported),yes)
 	wireguard-y += crypto/chacha20-avx2-x86_64.o crypto/poly1305-avx2-x86_64.o
-- 
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