Fix shift math helpers to mask the shift operand (#98481)

dotnet · Feb 15, 2024 · bd5f6eb · bd5f6eb
1 parent eab4b76
commit bd5f6eb
Showing 1 changed file with 3 additions and 3 deletions.
diff --git a/src/coreclr/nativeaot/Runtime/MathHelpers.cpp b/src/coreclr/nativeaot/Runtime/MathHelpers.cpp
@@ -139,17 +139,17 @@ EXTERN_C NATIVEAOT_API uint64_t REDHAWK_CALLCONV RhpULMul(uint64_t i, uint64_t j
 
 EXTERN_C NATIVEAOT_API uint64_t REDHAWK_CALLCONV RhpLRsz(uint64_t i, int32_t j)
 {
-    return i >> j;
+    return i >> (j & 0x3f);
 }
 
 EXTERN_C NATIVEAOT_API int64_t REDHAWK_CALLCONV RhpLRsh(int64_t i, int32_t j)
 {
-    return i >> j;
+    return i >> (j & 0x3f);
 }
 
 EXTERN_C NATIVEAOT_API int64_t REDHAWK_CALLCONV RhpLLsh(int64_t i, int32_t j)
 {
-    return i << j;
+    return i << (j & 0x3f);
 }
 
 EXTERN_C NATIVEAOT_API int64_t REDHAWK_CALLCONV RhpDbl2Lng(double val)