From b05ae9b6086fea37b7c7edee1fc8296e01a1b521 Mon Sep 17 00:00:00 2001
From: "W. Felix Handte" <w@felixhandte.com>
Date: Tue, 15 May 2018 01:15:33 -0400
Subject: [PATCH] Refine ip Initialization to Avoid ARM Weirdness

---
 lib/compress/zstd_fast.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/compress/zstd_fast.c b/lib/compress/zstd_fast.c
index dacb2637..5c6f0dc8 100644
--- a/lib/compress/zstd_fast.c
+++ b/lib/compress/zstd_fast.c
@@ -83,7 +83,7 @@ size_t ZSTD_compressBlock_fast_generic(
         || localLowestIndex >= (U32)(dictEnd - dictBase));
 
     /* init */
-    ip += (dictMode == ZSTD_noDict && ip == localLowest);
+    ip += (ip - localLowest + dictEnd - dictLowest == 0);
     {   U32 const maxRep = dictMode == ZSTD_dictMatchState ?
                            (U32)(ip - localLowest + dictEnd - dictLowest) :
                            (U32)(ip - localLowest);