1 files changed, 1 insertions, 1 deletions
diff --git a/clang/lib/Basic/Targets.cpp b/clang/lib/Basic/Targets.cpp
index 8950fa0ab78..e10bd971544 100644
--- a/clang/lib/Basic/Targets.cpp
+++ b/clang/lib/Basic/Targets.cpp
@@ -4110,7 +4110,7 @@ public:
     case 'r': {
       switch (Modifier) {
       default:
-        return (isInOut || isOutput || Size <= 32);
+        return (isInOut || isOutput || Size <= 64);
       case 'q':
         // A register of size 32 cannot fit a vector type.
         return false;