diff options
| author | Krzysztof Parzyszek <kparzysz@codeaurora.org> | 2018-09-04 21:07:27 +0000 |
|---|---|---|
| committer | Krzysztof Parzyszek <kparzysz@codeaurora.org> | 2018-09-04 21:07:27 +0000 |
| commit | f4ad2cb24f87ab4774d0df86d446a1735304f08e (patch) | |
| tree | c03118a5212d5a823722543d29f0afcc52f76c40 /llvm/lib/Target/Hexagon/HexagonVLIWPacketizer.cpp | |
| parent | b55236f522713916252f3425b388a0dacd20c355 (diff) | |
| download | bcm5719-llvm-f4ad2cb24f87ab4774d0df86d446a1735304f08e.tar.gz bcm5719-llvm-f4ad2cb24f87ab4774d0df86d446a1735304f08e.zip | |
[Hexagon] Don't packetize new-value stores with any other stores
llvm-svn: 341409
Diffstat (limited to 'llvm/lib/Target/Hexagon/HexagonVLIWPacketizer.cpp')
| -rw-r--r-- | llvm/lib/Target/Hexagon/HexagonVLIWPacketizer.cpp | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/llvm/lib/Target/Hexagon/HexagonVLIWPacketizer.cpp b/llvm/lib/Target/Hexagon/HexagonVLIWPacketizer.cpp index ce271141bbf..a896700df1b 100644 --- a/llvm/lib/Target/Hexagon/HexagonVLIWPacketizer.cpp +++ b/llvm/lib/Target/Hexagon/HexagonVLIWPacketizer.cpp @@ -1112,6 +1112,10 @@ static bool cannotCoexistAsymm(const MachineInstr &MI, const MachineInstr &MJ, return MJ.isInlineAsm() || MJ.isBranch() || MJ.isBarrier() || MJ.isCall() || MJ.isTerminator(); + // New-value stores cannot coexist with any other stores. + if (HII.isNewValueStore(MI) && MJ.mayStore()) + return true; + switch (MI.getOpcode()) { case Hexagon::S2_storew_locked: case Hexagon::S4_stored_locked: @@ -1654,6 +1658,9 @@ bool HexagonPacketizerList::isLegalToPruneDependencies(SUnit *SUI, SUnit *SUJ) { return false; } + if (!Coexist) + return false; + if (ChangedOffset == INT64_MAX && updateOffset(SUI, SUJ)) { FoundSequentialDependence = false; Dependence = false; |
