diff options
| author | Rafael Espindola <rafael.espindola@gmail.com> | 2007-10-31 11:52:06 +0000 |
|---|---|---|
| committer | Rafael Espindola <rafael.espindola@gmail.com> | 2007-10-31 11:52:06 +0000 |
| commit | fc05f402ea22e8a9ae465d209b65be7e857a89ff (patch) | |
| tree | 4ba92fb0a672dde72a2d2a41323c31c4177f7e99 /lib/Target/ARM | |
| parent | 7169a2f9e87d3cb13666071b9af022fdb82218e4 (diff) | |
Make ARM an X86 memcpy expansion more similar to each other.
Now both subtarget define getMaxInlineSizeThreshold and the expansion uses it.
This should not change generated code.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43552 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target/ARM')
| -rw-r--r-- | lib/Target/ARM/ARMISelLowering.cpp | 3 | ||||
| -rw-r--r-- | lib/Target/ARM/ARMSubtarget.h | 1 |
2 files changed, 3 insertions, 1 deletions
diff --git a/lib/Target/ARM/ARMISelLowering.cpp b/lib/Target/ARM/ARMISelLowering.cpp index 154832b62b..ef1c86d22a 100644 --- a/lib/Target/ARM/ARMISelLowering.cpp +++ b/lib/Target/ARM/ARMISelLowering.cpp @@ -1315,7 +1315,8 @@ SDOperand ARMTargetLowering::LowerMEMCPY(SDOperand Op, SelectionDAG &DAG, // this once Thumb ldmia / stmia support is added. unsigned Size = I->getValue(); if (AlwaysInline || - (!ST->isThumb() && Size < 64 && (Align & 3) == 0)) + (!ST->isThumb() && Size <= Subtarget->getMaxInlineSizeThreshold() && + (Align & 3) == 0)) return LowerMEMCPYInline(ChainOp, DestOp, SourceOp, Size, Align, DAG); return LowerMEMCPYCall(ChainOp, DestOp, SourceOp, CountOp, DAG); } diff --git a/lib/Target/ARM/ARMSubtarget.h b/lib/Target/ARM/ARMSubtarget.h index 62367cadb9..5b5ee39ced 100644 --- a/lib/Target/ARM/ARMSubtarget.h +++ b/lib/Target/ARM/ARMSubtarget.h @@ -62,6 +62,7 @@ protected: /// ARMSubtarget(const Module &M, const std::string &FS, bool thumb); + unsigned getMaxInlineSizeThreshold() const { return 64; } /// ParseSubtargetFeatures - Parses features string setting specified /// subtarget options. Definition of function is auto generated by tblgen. void ParseSubtargetFeatures(const std::string &FS, const std::string &CPU); |