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| author | Evan Cheng <evan.cheng@apple.com> | 2009-08-04 21:12:13 +0000 |
|---|---|---|
| committer | Evan Cheng <evan.cheng@apple.com> | 2009-08-04 21:12:13 +0000 |
| commit | 783b65b54658d2791f65a816372b54cad8c20247 (patch) | |
| tree | 7d105a488703a5de5f0c4e933fc7bf95d69fa9de /llvm/lib/Target/ARM/ARMLoadStoreOptimizer.cpp | |
| parent | cd450bbbe52ecede3ce3596230a777f0cc9865d7 (diff) | |
| download | bcm5719-llvm-783b65b54658d2791f65a816372b54cad8c20247.tar.gz bcm5719-llvm-783b65b54658d2791f65a816372b54cad8c20247.zip | |
Enable load / store multiple pass for Thumb2. It's not using ldrd / strd yet.
llvm-svn: 78104
Diffstat (limited to 'llvm/lib/Target/ARM/ARMLoadStoreOptimizer.cpp')
| -rw-r--r-- | llvm/lib/Target/ARM/ARMLoadStoreOptimizer.cpp | 15 |
1 files changed, 9 insertions, 6 deletions
diff --git a/llvm/lib/Target/ARM/ARMLoadStoreOptimizer.cpp b/llvm/lib/Target/ARM/ARMLoadStoreOptimizer.cpp index c6afbe93360..a81b790f9dc 100644 --- a/llvm/lib/Target/ARM/ARMLoadStoreOptimizer.cpp +++ b/llvm/lib/Target/ARM/ARMLoadStoreOptimizer.cpp @@ -615,12 +615,15 @@ bool ARMLoadStoreOpt::MergeBaseUpdateLoadStore(MachineBasicBlock &MBB, return false; bool isDPR = NewOpc == ARM::FLDMD || NewOpc == ARM::FSTMD; - unsigned Offset = isAM5 - ? ARM_AM::getAM5Opc((AddSub == ARM_AM::sub) ? ARM_AM::db : ARM_AM::ia, - true, isDPR ? 2 : 1) - : (isAM2 - ? ARM_AM::getAM2Opc(AddSub, Bytes, ARM_AM::no_shift) - : Bytes); + unsigned Offset = 0; + if (isAM5) + Offset = ARM_AM::getAM5Opc((AddSub == ARM_AM::sub) + ? ARM_AM::db + : ARM_AM::ia, true, (isDPR ? 2 : 1)); + else if (isAM2) + Offset = ARM_AM::getAM2Opc(AddSub, Bytes, ARM_AM::no_shift); + else + Offset = AddSub == ARM_AM::sub ? -Bytes : Bytes; if (isLd) { if (isAM5) // FLDMS, FLDMD |
