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Some 64-bit atomic operations on ARM. 64-bit cmpxchg coming next.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138845 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Eli Friedman
2011-08-31 00:31:29 +00:00
parent 8f00ffce50
commit 2bdffe4882
5 changed files with 360 additions and 1 deletions
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17
lib/Target/ARM/ARMISelLowering.h
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@@ -211,7 +211,17 @@ namespace llvm {
VST4_UPD,
VST2LN_UPD,
VST3LN_UPD,
VST4LN_UPD
VST4LN_UPD,
// 64-bit atomic ops (value split into two registers)
ATOMADD64_DAG,
ATOMSUB64_DAG,
ATOMOR64_DAG,
ATOMXOR64_DAG,
ATOMAND64_DAG,
ATOMNAND64_DAG,
ATOMSWAP64_DAG,
ATOMCMPXCHG64_DAG
};
}
@@ -493,6 +503,11 @@ namespace llvm {
MachineBasicBlock *BB,
unsigned Size,
unsigned BinOpcode) const;
MachineBasicBlock *EmitAtomicBinary64(MachineInstr *MI,
MachineBasicBlock *BB,
unsigned Op1,
unsigned Op2,
bool NeedsCarry) const;
MachineBasicBlock * EmitAtomicBinaryMinMax(MachineInstr *MI,
MachineBasicBlock *BB,
unsigned Size,