patches/0002-Revert-to-old-vector-passing-ABI-for-backwards-compa.patch

From 10a4fc6c56a4ca26b225bf912948f96e9f55c81a Mon Sep 17 00:00:00 2001
From: Tim Murray <timmurray@google.com>
Date: Thu, 3 Apr 2014 13:27:16 -0700
Subject: [PATCH 2/4] Revert to old vector passing ABI for backwards
 compatibility.

Change-Id: I6d0e6db454de7090ef49001e9318eae5a1112e09
---
 lib/CodeGen/TargetInfo.cpp | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/lib/CodeGen/TargetInfo.cpp b/lib/CodeGen/TargetInfo.cpp
index d2e57ac..d3ab43a 100644
--- a/lib/CodeGen/TargetInfo.cpp
+++ b/lib/CodeGen/TargetInfo.cpp
@@ -4403,7 +4403,7 @@ bool ARMABIInfo::isIllegalVectorType(QualType Ty) const {
     unsigned NumElements = VT->getNumElements();
     uint64_t Size = getContext().getTypeSize(VT);
     // NumElements should be power of 2.
-    if ((NumElements & (NumElements - 1)) != 0)
+    if (((NumElements & (NumElements - 1)) != 0) && NumElements != 3)
       return true;
     // Size should be greater than 32 bits.
     return Size <= 32;
@@ -4437,8 +4437,8 @@ llvm::Value *ARMABIInfo::EmitVAArg(llvm::Value *VAListAddr, QualType Ty,
     TyAlign = std::min(std::max(TyAlign, (uint64_t)4), (uint64_t)8);
   else
     TyAlign = 4;
-  // Use indirect if size of the illegal vector is bigger than 16 bytes.
-  if (isIllegalVectorType(Ty) && Size > 16) {
+  // Use indirect if size of the illegal vector is bigger than 32 bytes.
+  if (isIllegalVectorType(Ty) && Size > 32) {
     IsIndirect = true;
     Size = 4;
     TyAlign = 4;
-- 
1.9.1.423.g4596e3a