re-enable acceleration of Vector512<long>.op_Multiply (#111832)

dotnet · Jan 26, 2025 · d5c8265 · d5c8265
1 parent a40f92e
commit d5c8265
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/src/coreclr/jit/hwintrinsicxarch.cpp b/src/coreclr/jit/hwintrinsicxarch.cpp
@@ -3363,7 +3363,7 @@ GenTree* Compiler::impSpecialIntrinsic(NamedIntrinsic        intrinsic,
                 {
                     // Emulate NI_AVX512DQ_VL_MultiplyLow with SSE41 for SIMD16
                 }
-                else
+                else if (simdSize != 64)
                 {
                     // Software fallback
                     break;
@@ -3421,7 +3421,7 @@ GenTree* Compiler::impSpecialIntrinsic(NamedIntrinsic        intrinsic,
                 {
                     // Emulate NI_AVX512DQ_VL_MultiplyLow with SSE41 for SIMD16
                 }
-                else
+                else if (simdSize != 64)
                 {
                     // Software fallback
                     break;