diff options
Diffstat (limited to 'contrib/llvm/lib/Target/R600/SIInsertWaits.cpp')
| -rw-r--r-- | contrib/llvm/lib/Target/R600/SIInsertWaits.cpp | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/contrib/llvm/lib/Target/R600/SIInsertWaits.cpp b/contrib/llvm/lib/Target/R600/SIInsertWaits.cpp index 7ef662e..695ec40 100644 --- a/contrib/llvm/lib/Target/R600/SIInsertWaits.cpp +++ b/contrib/llvm/lib/Target/R600/SIInsertWaits.cpp @@ -314,6 +314,12 @@ Counters SIInsertWaits::handleOperands(MachineInstr &MI) { Counters Result = ZeroCounts; + // S_SENDMSG implicitly waits for all outstanding LGKM transfers to finish, + // but we also want to wait for any other outstanding transfers before + // signalling other hardware blocks + if (MI.getOpcode() == AMDGPU::S_SENDMSG) + return LastIssued; + // For each register affected by this // instruction increase the result sequence for (unsigned i = 0, e = MI.getNumOperands(); i != e; ++i) { |
