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R600/SI: Add intrinsic for S_SENDMSG instruction

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Reviewed-by: Tom Stellard <thomas.stellard@amd.com>

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@200195 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Michel Danzer
2014-01-27 07:20:44 +00:00
parent 650e286dcf
commit b3bfe7f18c
6 changed files with 75 additions and 2 deletions
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6
lib/Target/R600/SIInsertWaits.cpp
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@@ -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) {