fix ISA outerloop tests (#86705)

dotnet · May 26, 2023 · 7b2dc26 · 7b2dc26
1 parent c7eed31
commit 7b2dc26
Showing 1 changed file with 7 additions and 2 deletions.
diff --git a/src/coreclr/jit/hwintrinsicxarch.cpp b/src/coreclr/jit/hwintrinsicxarch.cpp
@@ -2565,18 +2565,23 @@ GenTree* Compiler::impSpecialIntrinsic(NamedIntrinsic        intrinsic,
         {
             assert(sig->numArgs == 1);
 
-            op1 = impSIMDPopStack();
-
 #if defined(TARGET_X86)
             if (varTypeIsLong(simdBaseType))
             {
+                if (!compExactlyDependsOn(InstructionSet_SSE41))
+                {
+                    // We need SSE41 to handle long, use software fallback
+                    break;
+                }
                 // Create a GetElement node which handles decomposition
+                op1     = impSIMDPopStack();
                 op2     = gtNewIconNode(0);
                 retNode = gtNewSimdGetElementNode(retType, op1, op2, simdBaseJitType, simdSize);
                 break;
             }
 #endif // TARGET_X86
 
+            op1     = impSIMDPopStack();
             retNode = gtNewSimdHWIntrinsicNode(retType, op1, intrinsic, simdBaseJitType, simdSize);
             break;
         }