From: Maamoun TK <maamoun.tk@googlemail.com>
Date: Mon, 3 Apr 2023 05:54:39 +0000 (+0000)
Subject: Use Test instruction instead of And to check remaining single block
X-Git-Tag: nettle_3.9_release_20230514~20^2
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=b6ec60fa62533ce5c5356d63e23cc0864ea10cd5;p=thirdparty%2Fnettle.git

Use Test instruction instead of And to check remaining single block
---

diff --git a/x86_64/pclmul/ghash-update.asm b/x86_64/pclmul/ghash-update.asm
index 1c30e7d8..67b8f111 100644
--- a/x86_64/pclmul/ghash-update.asm
+++ b/x86_64/pclmul/ghash-update.asm
@@ -140,7 +140,7 @@ PROLOGUE(_nettle_ghash_update)
 	jnz		.Loop
 
 .L1_block:
-	and		$1, BLOCKS
+	test		$1, BLOCKS
 	jz		.Ldone
 
 	movups		(DATA), M