From 8995ffabb99e8a064a72540cc3c1dbbbcc1da092 Mon Sep 17 00:00:00 2001
From: Victor Costan <costan@google.com>
Date: Mon, 14 Dec 2020 09:58:26 +0000
Subject: Replace #pragma nounroll with equivalent used elsewhere.

PiperOrigin-RevId: 347341130
---
 snappy.cc | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/snappy.cc b/snappy.cc
index a886a69..e099cbd 100644
--- a/snappy.cc
+++ b/snappy.cc
@@ -479,7 +479,9 @@ inline char* IncrementalCopy(const char* src, char* op, char* const op_limit,
       //
       // TODO: Remove pragma when when cold regions don't get
       // vectorized or unrolled.
-#pragma nounroll
+#ifdef __clang__
+#pragma clang loop unroll(disable)
+#endif
       do {
         _mm_storeu_si128(reinterpret_cast<__m128i*>(op), pattern);
         pattern = _mm_shuffle_epi8(pattern, reshuffle_mask);
@@ -540,7 +542,9 @@ inline char* IncrementalCopy(const char* src, char* op, char* const op_limit,
   //
   // TODO: Remove pragma when when cold regions don't get vectorized
   // or unrolled.
-#pragma nounroll
+#ifdef __clang__
+#pragma clang loop unroll(disable)
+#endif
   for (char* op_end = buf_limit - 16; op < op_end; op += 16, src += 16) {
     ConditionalUnalignedCopy128<use_16bytes_chunk>(src, op);
   }
-- 
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