From 5dfa7c311db40a3fd73131e391c15bedffc596a4 Mon Sep 17 00:00:00 2001
From: Manish Godse <61718172+mangod9@users.noreply.github.com>
Date: Thu, 11 Apr 2024 09:59:39 -0700
Subject: [PATCH] Revert "disable optimizations for PopCount (#99796)"

This reverts commit aee49579769188d0ff7cf3ca872d2126e5bb3c70.
---
 src/coreclr/jit/utils.cpp | 8 --------
 1 file changed, 8 deletions(-)

diff --git a/src/coreclr/jit/utils.cpp b/src/coreclr/jit/utils.cpp
index 4c9fe6479eca41..2e1c0a52a3d81b 100644
--- a/src/coreclr/jit/utils.cpp
+++ b/src/coreclr/jit/utils.cpp
@@ -3192,11 +3192,6 @@ uint32_t BitOperations::Log2(uint64_t value)
 // Return Value:
 //    The population count (number of bits set) of value
 //
-#if defined(_MSC_VER)
-// Disable optimizations for PopCount to avoid the compiler from generating intrinsics
-// not supported on all platforms.
-#pragma optimize("", off)
-#endif // _MSC_VER
 uint32_t BitOperations::PopCount(uint32_t value)
 {
 #if defined(_MSC_VER)
@@ -3249,9 +3244,6 @@ uint32_t BitOperations::PopCount(uint64_t value)
     return static_cast<uint32_t>(result);
 #endif
 }
-#if defined(_MSC_VER)
-#pragma optimize("", on)
-#endif // _MSC_VER
 
 //------------------------------------------------------------------------
 // BitOperations::ReverseBits: Reverses the bits in an integer value