Mesa (master): radeon/llvm: Fix lowering of SI_V_CNDLT
Tom Stellard
tstellar at kemper.freedesktop.org
Tue Sep 4 19:09:32 UTC 2012
Module: Mesa
Branch: master
Commit: 446d19c12a576e36c3da34ada01b708fcbc196c5
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=446d19c12a576e36c3da34ada01b708fcbc196c5
Author: Tom Stellard <thomas.stellard at amd.com>
Date: Tue Sep 4 11:20:01 2012 -0400
radeon/llvm: Fix lowering of SI_V_CNDLT
SREG_LIT_0 is a scalar register, so it can only be used in the
first argument of vector instructoins.
---
src/gallium/drivers/radeon/SIISelLowering.cpp | 6 +++---
1 files changed, 3 insertions(+), 3 deletions(-)
diff --git a/src/gallium/drivers/radeon/SIISelLowering.cpp b/src/gallium/drivers/radeon/SIISelLowering.cpp
index a64e2a3..2c81673 100644
--- a/src/gallium/drivers/radeon/SIISelLowering.cpp
+++ b/src/gallium/drivers/radeon/SIISelLowering.cpp
@@ -235,10 +235,10 @@ void SITargetLowering::LowerSI_KIL(MachineInstr *MI, MachineBasicBlock &BB,
void SITargetLowering::LowerSI_V_CNDLT(MachineInstr *MI, MachineBasicBlock &BB,
MachineBasicBlock::iterator I, MachineRegisterInfo & MRI) const
{
- BuildMI(BB, I, BB.findDebugLoc(I), TII->get(AMDGPU::V_CMP_LT_F32_e32),
+ BuildMI(BB, I, BB.findDebugLoc(I), TII->get(AMDGPU::V_CMP_GT_F32_e32),
AMDGPU::VCC)
- .addOperand(MI->getOperand(1))
- .addReg(AMDGPU::SREG_LIT_0);
+ .addReg(AMDGPU::SREG_LIT_0)
+ .addOperand(MI->getOperand(1));
BuildMI(BB, I, BB.findDebugLoc(I), TII->get(AMDGPU::V_CNDMASK_B32))
.addOperand(MI->getOperand(0))
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