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R600: Implement TargetLowering::getVectorIdxTy()

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We use MVT::i32 for the vector index type, because we use 32-bit
operations to caculate offsets when dynamically indexing vectors.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@187749 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Tom Stellard 2013-08-05 22:22:07 +00:00
parent 425b76c231
commit 2b272a1c8c
3 changed files with 14 additions and 5 deletions
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9
lib/Target/R600/AMDGPUISelLowering.cpp
View File

@ -121,6 +121,15 @@ AMDGPUTargetLowering::AMDGPUTargetLowering(TargetMachine &TM) :
}
}
//===----------------------------------------------------------------------===//
// Target Information
//===----------------------------------------------------------------------===//
MVT AMDGPUTargetLowering::getVectorIdxTy() const {
return MVT::i32;
}
//===---------------------------------------------------------------------===//
// Target Properties
//===---------------------------------------------------------------------===//

2
lib/Target/R600/AMDGPUISelLowering.h
View File

@ -51,7 +51,7 @@ public:
virtual bool isFAbsFree(EVT VT) const;
virtual bool isFNegFree(EVT VT) const;
virtual MVT getVectorIdxTy() const;
virtual SDValue LowerReturn(SDValue Chain, CallingConv::ID CallConv,
bool isVarArg,
const SmallVectorImpl<ISD::OutputArg> &Outs,

8
lib/Target/R600/SIInstructions.td
View File

@ -1792,25 +1792,25 @@ multiclass SI_INDIRECT_Pattern <ValueType vt, SI_INDIRECT_DST IndDst> {
// 1. Extract with offset
def : Pat<
(vector_extract vt:$vec, (i64 (zext (add i32:$idx, imm:$off)))),
(vector_extract vt:$vec, (add i32:$idx, imm:$off)),
(f32 (SI_INDIRECT_SRC (IMPLICIT_DEF), $vec, $idx, imm:$off))
>;
// 2. Extract without offset
def : Pat<
(vector_extract vt:$vec, (i64 (zext i32:$idx))),
(vector_extract vt:$vec, i32:$idx),
(f32 (SI_INDIRECT_SRC (IMPLICIT_DEF), $vec, $idx, 0))
>;
// 3. Insert with offset
def : Pat<
(vector_insert vt:$vec, f32:$val, (i64 (zext (add i32:$idx, imm:$off)))),
(vector_insert vt:$vec, f32:$val, (add i32:$idx, imm:$off)),
(IndDst (IMPLICIT_DEF), $vec, $idx, imm:$off, $val)
>;
// 4. Insert without offset
def : Pat<
(vector_insert vt:$vec, f32:$val, (i64 (zext i32:$idx))),
(vector_insert vt:$vec, f32:$val, i32:$idx),
(IndDst (IMPLICIT_DEF), $vec, $idx, 0, $val)
>;
}