From a3ce3e902342be37c626a561ce3d9ffcf27d0f94 Mon Sep 17 00:00:00 2001
From: Lasse Collin <lasse.collin@tukaani.org>
Date: Wed, 10 Jan 2018 21:54:27 +0200
Subject: [PATCH] tuklib_integer: New Intel C compiler needs immintrin.h.

Thanks to Melanie Blower (Intel) for the patch.
---
 src/common/tuklib_integer.h | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/src/common/tuklib_integer.h b/src/common/tuklib_integer.h
index a7fda679..b1e84d5c 100644
--- a/src/common/tuklib_integer.h
+++ b/src/common/tuklib_integer.h
@@ -98,6 +98,17 @@
 #endif
 
 
+////////////////////////////////
+// Compiler-specific features //
+////////////////////////////////
+
+// Newer Intel C compilers require immintrin.h for _bit_scan_reverse()
+// and such functions.
+#if defined(__INTEL_COMPILER) && (__INTEL_COMPILER >= 1500)
+#	include <immintrin.h>
+#endif
+
+
 ///////////////////
 // Byte swapping //
 ///////////////////