From 7c98735c0d6adc35fd36de923ae73b0b607a6d49 Mon Sep 17 00:00:00 2001
From: "marina.kolpakova" <marina.kolpakova@itseez.com>
Date: Sun, 3 Feb 2013 22:44:13 +0400
Subject: [PATCH] add compute capability check

---
 modules/gpu/src/cuda/icf-sc.cu | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/modules/gpu/src/cuda/icf-sc.cu b/modules/gpu/src/cuda/icf-sc.cu
index d64c7a8..f6eb744 100644
--- a/modules/gpu/src/cuda/icf-sc.cu
+++ b/modules/gpu/src/cuda/icf-sc.cu
@@ -505,7 +505,10 @@ __device void CascadeInvoker<Policy>::detect(Detection* objects, const uint ndet
     #if __CUDA_ARCH__ >= 120
         if(__any((confidence + impact <= stages[(st + threadIdx.x)]))) st += 2048;
     #endif
+    #if __CUDA_ARCH__ >= 300
         impact = __shfl(impact, 31);
+    #endif
+
         confidence += impact;
     }
 
-- 
2.7.4