From ff54dbd8fad04b1a65199bb028d931fdd4adc371 Mon Sep 17 00:00:00 2001
From: Sergey Sharybin <sergey.vfx@gmail.com>
Date: Thu, 1 Feb 2018 15:13:54 +0100
Subject: [PATCH] Cycles: Attempt to fix 32 bit linux compilation

---
 intern/cycles/util/util_simd.h | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/intern/cycles/util/util_simd.h b/intern/cycles/util/util_simd.h
index 8f6eb3995b7..04341451afb 100644
--- a/intern/cycles/util/util_simd.h
+++ b/intern/cycles/util/util_simd.h
@@ -460,6 +460,16 @@ ccl_device_inline int bitscan(int value)
 	return bit;
 }
 
+ccl_device_inline int __bsr(int value)
+{
+	assert(value != 0);
+	int bit = 0;
+	while(value >>= 1) {
+		++bit;
+	}
+	return bit;
+}
+
 #endif /* __KERNEL_SSE2__ */
 
 /* quiet unused define warnings */