From 19ba206d46d8558bc3af6ab14f7a770a94df57b9 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Niels=20M=C3=B6ller?= <nisse@lysator.liu.se>
Date: Sat, 7 Nov 2020 11:08:40 +0100
Subject: [PATCH] ppc: Comment instructions for chacha byte swapping.

---
 powerpc64/p7/chacha-core-internal.asm | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/powerpc64/p7/chacha-core-internal.asm b/powerpc64/p7/chacha-core-internal.asm
index 80f0b3c1..6eb1066f 100644
--- a/powerpc64/p7/chacha-core-internal.asm
+++ b/powerpc64/p7/chacha-core-internal.asm
@@ -105,9 +105,9 @@ PROLOGUE(_nettle_chacha_core)
 	vspltisw ROT7, 7
 IF_BE(`
 	li	 r9, 0
-	lvsl	 LE_MASK, r9, r9
-	vspltisb LE_TEMP, 0x03
-	vxor	 LE_MASK, LE_MASK, LE_TEMP
+	lvsl	 LE_MASK, r9, r9		C 00 01 02 03 ... 0c 0d 0e 0f
+	vspltisb LE_TEMP, 0x03			C 03 03 03 03 ... 03 03 03 03
+	vxor	 LE_MASK, LE_MASK, LE_TEMP	C 03 02 01 00 ... 0f 0e 0d 0c
 ')
 
 	lxvw4x	VSR(X0), 0, SRC
-- 
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