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R600: Don't mix LDS and non-LDS instructions in the same group

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There are a lot of restrictions on instruction groups that contain
LDS instructions, so for now we will be conservative and not packetize
anything else with them.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@187513 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Vincent Lejeune 2013-07-31 19:31:41 +00:00
parent 3f1de26cb5
commit a92f8ee2f3
1 changed files with 4 additions and 0 deletions
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4
lib/Target/R600/R600Packetizer.cpp
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@ -161,6 +161,10 @@ public:
return true;
if (MI->getOpcode() == AMDGPU::GROUP_BARRIER)
return true;
// XXX: This can be removed once the packetizer properly handles all the
// LDS instruction group restrictions.
if (TII->isLDSInstr(MI->getOpcode()))
return true;
return false;
}