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authorKalle Raiskila <kalle.raiskila@nokia.com>2010-08-29 12:41:50 +0000
committerKalle Raiskila <kalle.raiskila@nokia.com>2010-08-29 12:41:50 +0000
commitbd887df8b960404f3f1a2f5a6a98ec8c2aa8394d (patch)
tree608e8368dd6e67ee38020902bfc369dc672ae016
parent10ce7f311694aed3bbdd4ba7c5260c05597a2f22 (diff)
Fix lowering of INSERT_VECTOR_ELT in SPU.
The IDX was treated as byte index, not element index. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112422 91177308-0d34-0410-b5e6-96231b3b80d8
-rw-r--r--lib/Target/CellSPU/SPUISelLowering.cpp7
-rw-r--r--test/CodeGen/CellSPU/shuffles.ll8
2 files changed, 12 insertions, 3 deletions
diff --git a/lib/Target/CellSPU/SPUISelLowering.cpp b/lib/Target/CellSPU/SPUISelLowering.cpp
index 53ec0eed4e..46f31899be 100644
--- a/lib/Target/CellSPU/SPUISelLowering.cpp
+++ b/lib/Target/CellSPU/SPUISelLowering.cpp
@@ -2053,20 +2053,21 @@ static SDValue LowerINSERT_VECTOR_ELT(SDValue Op, SelectionDAG &DAG) {
SDValue IdxOp = Op.getOperand(2);
DebugLoc dl = Op.getDebugLoc();
EVT VT = Op.getValueType();
+ EVT eltVT = ValOp.getValueType();
// use 0 when the lane to insert to is 'undef'
- int64_t Idx=0;
+ int64_t Offset=0;
if (IdxOp.getOpcode() != ISD::UNDEF) {
ConstantSDNode *CN = cast<ConstantSDNode>(IdxOp);
assert(CN != 0 && "LowerINSERT_VECTOR_ELT: Index is not constant!");
- Idx = (CN->getSExtValue());
+ Offset = (CN->getSExtValue()) * eltVT.getSizeInBits()/8;
}
EVT PtrVT = DAG.getTargetLoweringInfo().getPointerTy();
// Use $sp ($1) because it's always 16-byte aligned and it's available:
SDValue Pointer = DAG.getNode(SPUISD::IndirectAddr, dl, PtrVT,
DAG.getRegister(SPU::R1, PtrVT),
- DAG.getConstant(Idx, PtrVT));
+ DAG.getConstant(Offset, PtrVT));
// widen the mask when dealing with half vectors
EVT maskVT = EVT::getVectorVT(*(DAG.getContext()), VT.getVectorElementType(),
128/ VT.getVectorElementType().getSizeInBits());
diff --git a/test/CodeGen/CellSPU/shuffles.ll b/test/CodeGen/CellSPU/shuffles.ll
index bc087f4d0d..f37d2ae89b 100644
--- a/test/CodeGen/CellSPU/shuffles.ll
+++ b/test/CodeGen/CellSPU/shuffles.ll
@@ -31,3 +31,11 @@ define void @test_insert( <2 x float>* %ptr, float %val1, float %val2 ) {
ret void
}
+define <4 x float> @test_insert_1(<4 x float> %vparam, float %eltparam) {
+;CHECK: cwd $5, 4($sp)
+;CHECK: shufb $3, $4, $3, $5
+;CHECK: bi $lr
+ %rv = insertelement <4 x float> %vparam, float %eltparam, i32 1
+ ret <4 x float> %rv
+}
+