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| author | Arnold Schwaighofer <aschwaighofer@apple.com> | 2013-07-12 19:16:02 +0000 |
|---|---|---|
| committer | Arnold Schwaighofer <aschwaighofer@apple.com> | 2013-07-12 19:16:02 +0000 |
| commit | c0a11edba6ea46c782672ab3fb4e4ab3dc267a22 (patch) | |
| tree | dfd8a80460e3764c602d6e8df3e60176dab3f136 /lib/Target/ARM | |
| parent | ec1170615515081135ea324e545b57c9503cd574 (diff) | |
| download | external_llvm-c0a11edba6ea46c782672ab3fb4e4ab3dc267a22.zip external_llvm-c0a11edba6ea46c782672ab3fb4e4ab3dc267a22.tar.gz external_llvm-c0a11edba6ea46c782672ab3fb4e4ab3dc267a22.tar.bz2 | |
TargetTransformInfo: address calculation parameter for gather/scather
Address calculation for gather/scather in vectorized code can incur a
significant cost making vectorization unbeneficial. Add infrastructure to add
cost.
Tests and cost model for targets will be in follow-up commits.
radar://14351991
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@186187 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target/ARM')
| -rw-r--r-- | lib/Target/ARM/ARMTargetTransformInfo.cpp | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/lib/Target/ARM/ARMTargetTransformInfo.cpp b/lib/Target/ARM/ARMTargetTransformInfo.cpp index 53ece66..79f56a4 100644 --- a/lib/Target/ARM/ARMTargetTransformInfo.cpp +++ b/lib/Target/ARM/ARMTargetTransformInfo.cpp @@ -124,7 +124,7 @@ public: unsigned getVectorInstrCost(unsigned Opcode, Type *Val, unsigned Index) const; - unsigned getAddressComputationCost(Type *Val) const; + unsigned getAddressComputationCost(Type *Val, bool IsComplex) const; unsigned getArithmeticInstrCost(unsigned Opcode, Type *Ty, OperandValueKind Op1Info = OK_AnyValue, @@ -425,7 +425,7 @@ unsigned ARMTTI::getCmpSelInstrCost(unsigned Opcode, Type *ValTy, return TargetTransformInfo::getCmpSelInstrCost(Opcode, ValTy, CondTy); } -unsigned ARMTTI::getAddressComputationCost(Type *Ty) const { +unsigned ARMTTI::getAddressComputationCost(Type *Ty, bool IsComplex) const { // In many cases the address computation is not merged into the instruction // addressing mode. return 1; |