From cf8d063626cd3279e8c91deac1c300f1173a7c6d Mon Sep 17 00:00:00 2001
From: Dhruv Maroo <dhruvmaru007@gmail.com>
Date: Sun, 15 May 2022 03:43:29 +0530
Subject: [PATCH] Use `portUtilCountTrailingZeros64` from nvport

  * Implemented using compiler intrinsics and architecture specific
    instructions, so even faster
---
 src/nvidia/src/lib/base_utils.c | 7 +------
 1 file changed, 1 insertion(+), 6 deletions(-)

diff --git a/src/nvidia/src/lib/base_utils.c b/src/nvidia/src/lib/base_utils.c
index 225043914..aadec66e6 100644
--- a/src/nvidia/src/lib/base_utils.c
+++ b/src/nvidia/src/lib/base_utils.c
@@ -35,16 +35,11 @@
 //
 NvU32 nvLogBase2(NvU64 val)
 {
-    NvU32 i = 0;
-
     // Use two NV_ASSERTs for better error identification
     NV_ASSERT(val != 0);
     NV_ASSERT(((val) & (val - 1)) == 0);
 
-    while ((val >>= 1))
-    {
-        i++;
-    }
+    NvU32 i = portUtilCountTrailingZeros64(val);
 
     return i;
 }