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| author | Tom Stellard <thomas.stellard@amd.com> | 2012-05-11 13:44:24 -0400 |
|---|---|---|
| committer | Tom Stellard <thomas.stellard@amd.com> | 2012-05-11 15:09:52 -0400 |
| commit | bcfc97dbf40c256ed59c2424e0c55b845f0f2569 (patch) | |
| tree | 75f46800f74716e7703c47a8f0b5b04a1551be6a /src/gallium/drivers/radeon/SIISelLowering.h | |
| parent | 23c0d469e55b3cb79ad4b2fd0d961562a26234fd (diff) | |
| download | external_mesa3d-bcfc97dbf40c256ed59c2424e0c55b845f0f2569.zip external_mesa3d-bcfc97dbf40c256ed59c2424e0c55b845f0f2569.tar.gz external_mesa3d-bcfc97dbf40c256ed59c2424e0c55b845f0f2569.tar.bz2 | |
radeon/llvm: More comments and cleanups
Diffstat (limited to 'src/gallium/drivers/radeon/SIISelLowering.h')
| -rw-r--r-- | src/gallium/drivers/radeon/SIISelLowering.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/src/gallium/drivers/radeon/SIISelLowering.h b/src/gallium/drivers/radeon/SIISelLowering.h index 229e682..4a1bc38 100644 --- a/src/gallium/drivers/radeon/SIISelLowering.h +++ b/src/gallium/drivers/radeon/SIISelLowering.h @@ -23,6 +23,10 @@ class SITargetLowering : public AMDGPUTargetLowering { const SIInstrInfo * TII; + /// AppendS_WAITCNT - Memory reads and writes are syncronized using the + /// S_WAITCNT instruction. This function takes the most conservative + /// approach and inserts an S_WAITCNT instruction after every read and + /// write. void AppendS_WAITCNT(MachineInstr *MI, MachineBasicBlock &BB, MachineBasicBlock::iterator I) const; void LowerSI_INTERP(MachineInstr *MI, MachineBasicBlock &BB, |