RPCS3/llvm-mirror
1
0
Fork 0
mirror of https://github.com/RPCS3/llvm-mirror.git synced 2024-10-22 20:43:44 +02:00
Code Issues Projects Releases Wiki Activity

[x86] Clarify that this lowering only applies to vectors and is only

Browse Source 
used when we have SSE2.

llvm-svn: 212300
This commit is contained in:
Chandler Carruth 2014-07-03 22:57:44 +00:00
parent 39ed527ccb
commit 9a23698203
1 changed files with 2 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
lib/Target/X86/X86ISelLowering.cpp
View File

@ -15481,15 +15481,14 @@ static SDValue LowerScalarVariableShift(SDValue Op, SelectionDAG &DAG,
static SDValue LowerShift(SDValue Op, const X86Subtarget* Subtarget,
SelectionDAG &DAG) {
MVT VT = Op.getSimpleValueType();
SDLoc dl(Op);
SDValue R = Op.getOperand(0);
SDValue Amt = Op.getOperand(1);
SDValue V;
if (!Subtarget->hasSSE2())
return SDValue();
assert(VT.isVector() && "Custom lowering only for vector shifts!");
assert(Subtarget->hasSSE2() && "Only custom lower when we have SSE2!");
V = LowerScalarImmediateShift(Op, DAG, Subtarget);
if (V.getNode())