diff options
| author | Vincent Lejeune <[email protected]> | 2012-08-01 22:49:42 +0200 |
|---|---|---|
| committer | Tom Stellard <[email protected]> | 2012-08-15 21:07:14 +0000 |
| commit | 0eca5fd919b0a31ea926b5f5072e5e56f7a55269 (patch) | |
| tree | c0b8c89ee5bd21f84299dc7572a85dc04e80e45e /src/gallium/drivers/radeon/R600ISelLowering.cpp | |
| parent | 6db2e9fdb0a35e27e6fc86a1485918b78717a425 (diff) | |
radeon/llvm: Lower branch/branch_cond into predicated jump
Signed-off-by: Tom Stellard <[email protected]>
Diffstat (limited to 'src/gallium/drivers/radeon/R600ISelLowering.cpp')
| -rw-r--r-- | src/gallium/drivers/radeon/R600ISelLowering.cpp | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/src/gallium/drivers/radeon/R600ISelLowering.cpp b/src/gallium/drivers/radeon/R600ISelLowering.cpp index 26f14fa49fa..1f5f4178f34 100644 --- a/src/gallium/drivers/radeon/R600ISelLowering.cpp +++ b/src/gallium/drivers/radeon/R600ISelLowering.cpp @@ -210,6 +210,33 @@ MachineBasicBlock * R600TargetLowering::EmitInstrWithCustomInserter( .addReg(t1, RegState::Implicit); break; } + case AMDGPU::BRANCH: + BuildMI(*BB, I, BB->findDebugLoc(I), TII->get(AMDGPU::JUMP)) + .addOperand(MI->getOperand(0)) + .addReg(0); + break; + case AMDGPU::BRANCH_COND_f32: + MI->getOperand(1).addTargetFlag(MO_FLAG_PUSH); + + BuildMI(*BB, I, BB->findDebugLoc(I), TII->get(AMDGPU::PRED_X)) + .addReg(AMDGPU::PREDICATE_BIT) + .addOperand(MI->getOperand(1)) + .addImm(OPCODE_IS_ZERO); + BuildMI(*BB, I, BB->findDebugLoc(I), TII->get(AMDGPU::JUMP)) + .addOperand(MI->getOperand(0)) + .addReg(AMDGPU::PREDICATE_BIT, RegState::Kill); + break; + case AMDGPU::BRANCH_COND_i32: + MI->getOperand(1).addTargetFlag(MO_FLAG_PUSH); + + BuildMI(*BB, I, BB->findDebugLoc(I), TII->get(AMDGPU::PRED_X)) + .addReg(AMDGPU::PREDICATE_BIT) + .addOperand(MI->getOperand(1)) + .addImm(OPCODE_IS_ZERO_INT); + BuildMI(*BB, I, BB->findDebugLoc(I), TII->get(AMDGPU::JUMP)) + .addOperand(MI->getOperand(0)) + .addReg(AMDGPU::PREDICATE_BIT, RegState::Kill); + break; } |