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| author | Krzysztof Parzyszek <kparzysz@codeaurora.org> | 2018-02-28 20:29:36 +0000 |
|---|---|---|
| committer | Krzysztof Parzyszek <kparzysz@codeaurora.org> | 2018-02-28 20:29:36 +0000 |
| commit | b1cdb60e75601e8d7e1c5d96e3702e8d32e9bb19 (patch) | |
| tree | 89de0ab60a6c4e4a0fa2fd216fd7ebc5c279804e /llvm/lib/Target/Hexagon/HexagonRegisterInfo.cpp | |
| parent | 2dfe49a44155f0bd1d4819eb7e06488c6ec00bab (diff) | |
| download | bcm5719-llvm-b1cdb60e75601e8d7e1c5d96e3702e8d32e9bb19.tar.gz bcm5719-llvm-b1cdb60e75601e8d7e1c5d96e3702e8d32e9bb19.zip | |
[Hexagon] Implement target feature +reserved-r19
llvm-svn: 326364
Diffstat (limited to 'llvm/lib/Target/Hexagon/HexagonRegisterInfo.cpp')
| -rw-r--r-- | llvm/lib/Target/Hexagon/HexagonRegisterInfo.cpp | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/llvm/lib/Target/Hexagon/HexagonRegisterInfo.cpp b/llvm/lib/Target/Hexagon/HexagonRegisterInfo.cpp index 9c16b77a90d..3754a04f501 100644 --- a/llvm/lib/Target/Hexagon/HexagonRegisterInfo.cpp +++ b/llvm/lib/Target/Hexagon/HexagonRegisterInfo.cpp @@ -171,6 +171,9 @@ BitVector HexagonRegisterInfo::getReservedRegs(const MachineFunction &MF) Reserved.set(Hexagon::C8); Reserved.set(Hexagon::USR_OVF); + if (MF.getSubtarget<HexagonSubtarget>().hasReservedR19()) + Reserved.set(Hexagon::R19); + for (int x = Reserved.find_first(); x >= 0; x = Reserved.find_next(x)) markSuperRegs(Reserved, x); |
