From: Johannes Goetzfried <Johannes.Goetzfried@informatik.stud.uni-erlangen.de>
Date: Thu, 5 Jul 2012 18:43:58 +0000 (+0200)
Subject: crypto: twofish-avx - remove useless instruction
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=a43478863b16cb0986fd2ec9d1f1b9ebaaec5922;p=linux-beck.git

crypto: twofish-avx - remove useless instruction

The register %rdx is written, but never read till the end of the encryption
routine. Therefore let's delete the useless instruction.

Signed-off-by: Johannes Goetzfried <Johannes.Goetzfried@informatik.stud.uni-erlangen.de>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
---

diff --git a/arch/x86/crypto/twofish-avx-x86_64-asm_64.S b/arch/x86/crypto/twofish-avx-x86_64-asm_64.S
index fc31b89ba4c3..35f45574390d 100644
--- a/arch/x86/crypto/twofish-avx-x86_64-asm_64.S
+++ b/arch/x86/crypto/twofish-avx-x86_64-asm_64.S
@@ -243,7 +243,6 @@ __twofish_enc_blk_8way:
 	popq %rbx;
 
 	leaq (4*4*4)(%rsi), %rax;
-	leaq (4*4*4)(%rax), %rdx;
 
 	testb %cl, %cl;
 	jnz __enc_xor8;