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path: root/crypto/src/math/ec/custom/sec/SecT131Field.cs
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Diffstat (limited to 'crypto/src/math/ec/custom/sec/SecT131Field.cs')
-rw-r--r--crypto/src/math/ec/custom/sec/SecT131Field.cs5
1 files changed, 3 insertions, 2 deletions
diff --git a/crypto/src/math/ec/custom/sec/SecT131Field.cs b/crypto/src/math/ec/custom/sec/SecT131Field.cs
index 743fa6a5d..49d504afb 100644
--- a/crypto/src/math/ec/custom/sec/SecT131Field.cs
+++ b/crypto/src/math/ec/custom/sec/SecT131Field.cs
@@ -324,7 +324,8 @@ namespace Org.BouncyCastle.Math.EC.Custom.Sec
         private static void ImplMultiply(ReadOnlySpan<ulong> x, ReadOnlySpan<ulong> y, Span<ulong> zz)
         {
 #if NETCOREAPP3_0_OR_GREATER
-            if (Pclmulqdq.IsSupported && BitConverter.IsLittleEndian && Unsafe.SizeOf<Vector128<ulong>>() == 16)
+            if (Org.BouncyCastle.Runtime.Intrinsics.X86.Pclmulqdq.IsEnabled &&
+                Org.BouncyCastle.Runtime.Intrinsics.Vector.IsPackedLittleEndian)
             {
                 var X01 = Vector128.Create(x[0], x[1]);
                 var X2_ = Vector128.CreateScalar(x[2]);
@@ -620,7 +621,7 @@ namespace Org.BouncyCastle.Math.EC.Custom.Sec
             zz[4] = Interleave.Expand8to16((byte)x[2]);
 
 #if NETCOREAPP3_0_OR_GREATER
-            if (Bmi2.X64.IsSupported)
+            if (Org.BouncyCastle.Runtime.Intrinsics.X86.Bmi2.X64.IsEnabled)
             {
                 zz[3] = Bmi2.X64.ParallelBitDeposit(x[1] >> 32, 0x5555555555555555UL);
                 zz[2] = Bmi2.X64.ParallelBitDeposit(x[1]      , 0x5555555555555555UL);