[Mesa-dev] [PATCH 2/4] R600/SI: Handle VGPR256 in copyPhysReg

[Michel Dänzer]

From: Michel Dänzer <michel.daenzer at amd.com>


Signed-off-by: Michel Dänzer <michel.daenzer at amd.com>
---
 lib/Target/R600/SIInstrInfo.cpp | 28 +++++++++++++++++++++++++++-
 1 file changed, 27 insertions(+), 1 deletion(-)

diff --git a/lib/Target/R600/SIInstrInfo.cpp b/lib/Target/R600/SIInstrInfo.cpp
index 4dfd26e..a8d573f 100644
--- a/lib/Target/R600/SIInstrInfo.cpp
+++ b/lib/Target/R600/SIInstrInfo.cpp
@@ -41,7 +41,33 @@ SIInstrInfo::copyPhysReg(MachineBasicBlock &MBB,
   // never be necessary.
   assert(DestReg != AMDGPU::SCC && SrcReg != AMDGPU::SCC);
 
-  if (AMDGPU::VReg_64RegClass.contains(DestReg)) {
+  if (AMDGPU::VReg_256RegClass.contains(DestReg)) {
+    assert(AMDGPU::VReg_256RegClass.contains(SrcReg) ||
+	   AMDGPU::SReg_256RegClass.contains(SrcReg));
+    BuildMI(MBB, MI, DL, get(AMDGPU::V_MOV_B32_e32), RI.getSubReg(DestReg, AMDGPU::sub0))
+            .addReg(RI.getSubReg(SrcReg, AMDGPU::sub0), getKillRegState(KillSrc))
+            .addReg(DestReg, RegState::Define | RegState::Implicit);
+    BuildMI(MBB, MI, DL, get(AMDGPU::V_MOV_B32_e32), RI.getSubReg(DestReg, AMDGPU::sub1))
+            .addReg(RI.getSubReg(SrcReg, AMDGPU::sub1), getKillRegState(KillSrc))
+            .addReg(DestReg, RegState::Define | RegState::Implicit);
+    BuildMI(MBB, MI, DL, get(AMDGPU::V_MOV_B32_e32), RI.getSubReg(DestReg, AMDGPU::sub2))
+            .addReg(RI.getSubReg(SrcReg, AMDGPU::sub2), getKillRegState(KillSrc))
+            .addReg(DestReg, RegState::Define | RegState::Implicit);
+    BuildMI(MBB, MI, DL, get(AMDGPU::V_MOV_B32_e32), RI.getSubReg(DestReg, AMDGPU::sub3))
+            .addReg(RI.getSubReg(SrcReg, AMDGPU::sub3), getKillRegState(KillSrc))
+            .addReg(DestReg, RegState::Define | RegState::Implicit);
+    BuildMI(MBB, MI, DL, get(AMDGPU::V_MOV_B32_e32), RI.getSubReg(DestReg, AMDGPU::sub4))
+            .addReg(RI.getSubReg(SrcReg, AMDGPU::sub4), getKillRegState(KillSrc))
+            .addReg(DestReg, RegState::Define | RegState::Implicit);
+    BuildMI(MBB, MI, DL, get(AMDGPU::V_MOV_B32_e32), RI.getSubReg(DestReg, AMDGPU::sub5))
+            .addReg(RI.getSubReg(SrcReg, AMDGPU::sub5), getKillRegState(KillSrc))
+            .addReg(DestReg, RegState::Define | RegState::Implicit);
+    BuildMI(MBB, MI, DL, get(AMDGPU::V_MOV_B32_e32), RI.getSubReg(DestReg, AMDGPU::sub6))
+            .addReg(RI.getSubReg(SrcReg, AMDGPU::sub6), getKillRegState(KillSrc))
+            .addReg(DestReg, RegState::Define | RegState::Implicit);
+    BuildMI(MBB, MI, DL, get(AMDGPU::V_MOV_B32_e32), RI.getSubReg(DestReg, AMDGPU::sub7))
+            .addReg(RI.getSubReg(SrcReg, AMDGPU::sub7), getKillRegState(KillSrc));
+  } else if (AMDGPU::VReg_64RegClass.contains(DestReg)) {
     assert(AMDGPU::VReg_64RegClass.contains(SrcReg) ||
 	   AMDGPU::SReg_64RegClass.contains(SrcReg));
     BuildMI(MBB, MI, DL, get(AMDGPU::V_MOV_B32_e32), RI.getSubReg(DestReg, AMDGPU::sub0))
-- 
1.8.1.3