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| author | Tom Stellard <thomas.stellard@amd.com> | 2016-04-30 04:04:48 +0000 |
|---|---|---|
| committer | Tom Stellard <thomas.stellard@amd.com> | 2016-04-30 04:04:48 +0000 |
| commit | c51e4468b7948545b0eb3db3384c88d6ec241eca (patch) | |
| tree | 14d8acf047e1382706abf43c9d140c42f0b47c67 /llvm/lib | |
| parent | 53ca3c93dba54ce83bc5df5400aaa07cdbaeff1c (diff) | |
| download | bcm5719-llvm-c51e4468b7948545b0eb3db3384c88d6ec241eca.tar.gz bcm5719-llvm-c51e4468b7948545b0eb3db3384c88d6ec241eca.zip | |
AMDGPU/SI: Remove wait state handling for SMRD in SIInsertWaits
This was supposed to be part of r268143.
llvm-svn: 268154
Diffstat (limited to 'llvm/lib')
| -rw-r--r-- | llvm/lib/Target/AMDGPU/SIInsertWaits.cpp | 6 |
1 files changed, 0 insertions, 6 deletions
diff --git a/llvm/lib/Target/AMDGPU/SIInsertWaits.cpp b/llvm/lib/Target/AMDGPU/SIInsertWaits.cpp index 15884732c12..ead4c9ebf18 100644 --- a/llvm/lib/Target/AMDGPU/SIInsertWaits.cpp +++ b/llvm/lib/Target/AMDGPU/SIInsertWaits.cpp @@ -634,12 +634,6 @@ bool SIInsertWaits::runOnMachineFunction(MachineFunction &MF) { insertDPPWaitStates(I); } - // Insert required wait states for SMRD reading an SGPR written by a VALU - // instruction. - if (ST.getGeneration() <= AMDGPUSubtarget::SOUTHERN_ISLANDS && - I->getOpcode() == AMDGPU::V_READFIRSTLANE_B32) - TII->insertWaitStates(MBB, std::next(I), 4); - // Record pre-existing, explicitly requested waits if (I->getOpcode() == AMDGPU::S_WAITCNT) { handleExistingWait(*I); |
