commit 20d108140e8a4ba9b5e2dd1662e26e5c2282d567
author Bob Wilson <bob.wilson@apple.com> Wed Oct 21 21:36:27 2009 +0000
committer Bob Wilson <bob.wilson@apple.com> Wed Oct 21 21:36:27 2009 +0000
tree f73f447eed68f7e837119de54868c82322bf1c80
parent 028fa77d560f18f364ae8a0bfd60597cf1968a93

Most of the NEON shuffle instructions do not support 64-bit element types.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84785 91177308-0d34-0410-b5e6-96231b3b80d8

lib/Target/ARM/ARMISelLowering.cpp

diff --git a/lib/Target/ARM/ARMISelLowering.cpp b/lib/Target/ARM/ARMISelLowering.cpp
index 8693a8a..6a264fd 100644
--- a/lib/Target/ARM/ARMISelLowering.cpp
+++ b/lib/Target/ARM/ARMISelLowering.cpp
@@ -2361,8 +2361,11 @@
   assert((BlockSize==16 || BlockSize==32 || BlockSize==64) &&
          "Only possible block sizes for VREV are: 16, 32, 64");
 
-  unsigned NumElts = VT.getVectorNumElements();
   unsigned EltSz = VT.getVectorElementType().getSizeInBits();
+  if (EltSz == 64)
+    return false;
+
+  unsigned NumElts = VT.getVectorNumElements();
   unsigned BlockElts = M[0] + 1;
 
   if (BlockSize <= EltSz || BlockSize != BlockElts * EltSz)
@@ -2379,6 +2382,10 @@
 
 static bool isVTRNMask(const SmallVectorImpl<int> &M, EVT VT,
                        unsigned &WhichResult) {
+  unsigned EltSz = VT.getVectorElementType().getSizeInBits();
+  if (EltSz == 64)
+    return false;
+
   unsigned NumElts = VT.getVectorNumElements();
   WhichResult = (M[0] == 0 ? 0 : 1);
   for (unsigned i = 0; i < NumElts; i += 2) {
@@ -2391,6 +2398,10 @@
 
 static bool isVUZPMask(const SmallVectorImpl<int> &M, EVT VT,
                        unsigned &WhichResult) {
+  unsigned EltSz = VT.getVectorElementType().getSizeInBits();
+  if (EltSz == 64)
+    return false;
+
   unsigned NumElts = VT.getVectorNumElements();
   WhichResult = (M[0] == 0 ? 0 : 1);
   for (unsigned i = 0; i != NumElts; ++i) {
@@ -2399,7 +2410,7 @@
   }
 
   // VUZP.32 for 64-bit vectors is a pseudo-instruction alias for VTRN.32.
-  if (VT.is64BitVector() && VT.getVectorElementType().getSizeInBits() == 32)
+  if (VT.is64BitVector() && EltSz == 32)
     return false;
 
   return true;
@@ -2407,6 +2418,10 @@
 
 static bool isVZIPMask(const SmallVectorImpl<int> &M, EVT VT,
                        unsigned &WhichResult) {
+  unsigned EltSz = VT.getVectorElementType().getSizeInBits();
+  if (EltSz == 64)
+    return false;
+
   unsigned NumElts = VT.getVectorNumElements();
   WhichResult = (M[0] == 0 ? 0 : 1);
   unsigned Idx = WhichResult * NumElts / 2;
@@ -2418,7 +2433,7 @@
   }
 
   // VZIP.32 for 64-bit vectors is a pseudo-instruction alias for VTRN.32.
-  if (VT.is64BitVector() && VT.getVectorElementType().getSizeInBits() == 32)
+  if (VT.is64BitVector() && EltSz == 32)
     return false;
 
   return true;