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| author | Tom Stellard <thomas.stellard@amd.com> | 2013-05-23 18:26:42 +0000 |
|---|---|---|
| committer | Tom Stellard <thomas.stellard@amd.com> | 2013-05-23 18:26:42 +0000 |
| commit | d078070f6a76326853885bfa661ff4fa9755e2b8 (patch) | |
| tree | 762d88a6620934c485a8fb91406105e4d67d56ab /lib/Target/R600/R600ControlFlowFinalizer.cpp | |
| parent | 5c35290fa35ae234fed02496404cb0fc37e1c8a5 (diff) | |
| download | llvm-d078070f6a76326853885bfa661ff4fa9755e2b8.tar.gz llvm-d078070f6a76326853885bfa661ff4fa9755e2b8.tar.bz2 llvm-d078070f6a76326853885bfa661ff4fa9755e2b8.tar.xz | |
R600: Fix R600ControlFlowFinalizer not considering VTX_READ 128 bit dst reg
Patch by: Vincent Lejeune
https://bugs.freedesktop.org/show_bug.cgi?id=64877
NOTE: This is a candidate for the 3.3 branch.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182600 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target/R600/R600ControlFlowFinalizer.cpp')
| -rw-r--r-- | lib/Target/R600/R600ControlFlowFinalizer.cpp | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/lib/Target/R600/R600ControlFlowFinalizer.cpp b/lib/Target/R600/R600ControlFlowFinalizer.cpp index d447f0842d..832c375bf5 100644 --- a/lib/Target/R600/R600ControlFlowFinalizer.cpp +++ b/lib/Target/R600/R600ControlFlowFinalizer.cpp @@ -117,8 +117,15 @@ private: const MachineOperand &MO = *I; if (!MO.isReg()) continue; - if (MO.isDef()) - DstMI = MO.getReg(); + if (MO.isDef()) { + unsigned Reg = MO.getReg(); + if (AMDGPU::R600_Reg128RegClass.contains(Reg)) + DstMI = Reg; + else + DstMI = TRI.getMatchingSuperReg(Reg, + TRI.getSubRegFromChannel(TRI.getHWRegChan(Reg)), + &AMDGPU::R600_Reg128RegClass); + } if (MO.isUse()) { unsigned Reg = MO.getReg(); if (AMDGPU::R600_Reg128RegClass.contains(Reg)) |