From: Vsevolod Stakhov <vsevolod@highsecure.ru>
Date: Thu, 3 Mar 2016 11:28:42 +0000 (+0000)
Subject: [Fix] Don't use _memcpy in assembly
X-Git-Tag: 1.2.0~129
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=92d4dde3cf20e52bad9fb2d17cf0d059c8f68fef;p=thirdparty%2Frspamd.git

[Fix] Don't use _memcpy in assembly
---

diff --git a/src/libcryptobox/siphash/avx2.S b/src/libcryptobox/siphash/avx2.S
index 995fc76364..070419c600 100644
--- a/src/libcryptobox/siphash/avx2.S
+++ b/src/libcryptobox/siphash/avx2.S
@@ -103,7 +103,12 @@ LBB0_5:                                 ## %for.end
 	movq	%rbx, %rdx
 	subq	%rax, %rdx
 	leaq	-16(%rbp), %rdi
-	callq	_memcpy
+	movq	%rdx, %rcx
+	shrq	$2, %rcx
+	rep;	movsl
+	movq	%rdx, %rcx
+	andq	$3, %rcx
+	rep;	movsb
 	movb	%bl, -9(%rbp)
 	vmovq	-16(%rbp), %xmm4        ## xmm4 = mem[0],zero
 	vpslldq	$8, %xmm4, %xmm0        ## xmm0 = zero,zero,zero,zero,zero,zero,zero,zero,xmm4[0,1,2,3,4,5,6,7]