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ARM SWP instructions store, too, not just load.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136096 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Jim Grosbach 2011-07-26 17:11:05 +00:00
parent 1355cf1f76
commit 1ef91417bd
1 changed files with 3 additions and 5 deletions
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8
lib/Target/ARM/ARMInstrInfo.td
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@ -3660,11 +3660,9 @@ def CLREX : AXI<(outs), (ins), MiscFrm, NoItinerary, "clrex",
}
// SWP/SWPB are deprecated in V6/V7 and for disassembly only.
let mayLoad = 1 in {
def SWP : AIswp<0, (outs GPR:$Rt), (ins GPR:$Rt2, GPR:$Rn), "swp",
[/* For disassembly only; pattern left blank */]>;
def SWPB : AIswp<1, (outs GPR:$Rt), (ins GPR:$Rt2, GPR:$Rn), "swpb",
[/* For disassembly only; pattern left blank */]>;
let mayLoad = 1, mayStore = 1 in {
def SWP : AIswp<0, (outs GPR:$Rt), (ins GPR:$Rt2, GPR:$Rn), "swp", []>;
def SWPB : AIswp<1, (outs GPR:$Rt), (ins GPR:$Rt2, GPR:$Rn), "swpb", []>;
}
//===----------------------------------------------------------------------===//