From fb101458c54b695ea125c39019ae58baa782ef46 Mon Sep 17 00:00:00 2001
From: Mike Pall <mike>
Date: Thu, 3 Jan 2013 21:41:27 +0100
Subject: [PATCH] Allow using MSVC intrinsics with older versions.

---
 src/lj_def.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/lj_def.h b/src/lj_def.h
index b52d5d1b..26cf7fdc 100644
--- a/src/lj_def.h
+++ b/src/lj_def.h
@@ -242,6 +242,8 @@ static LJ_AINLINE uint32_t lj_getu32(const void *p)
 #define LJ_FASTCALL	__fastcall
 #endif
 
+#pragma intrinsic(_BitScanForward)
+#pragma intrinsic(_BitScanReverse)
 unsigned char _BitScanForward(uint32_t *, unsigned long);
 unsigned char _BitScanReverse(uint32_t *, unsigned long);
 unsigned long _byteswap_ulong(unsigned long);