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authorMichel Dänzer <[email protected]>2012-08-29 18:55:08 +0200
committerMichel Dänzer <[email protected]>2012-09-06 16:46:42 +0200
commit5edb80cee0e7d291db29963f01f2940fbd990398 (patch)
tree27a78500b71ea04d5409f9669de68544d5eaabff /src
parente7383b74ef529fbd474adc67a661dd4f03d97e80 (diff)
radeon/llvm: Add intrinsic for enabling whole quad mode in SI pixel shaders.
Signed-off-by: Michel Dänzer <[email protected]> Reviewed-by: Tom Stellard <[email protected]>
Diffstat (limited to 'src')
-rw-r--r--src/gallium/drivers/radeon/SIISelLowering.cpp13
-rw-r--r--src/gallium/drivers/radeon/SIISelLowering.h2
-rw-r--r--src/gallium/drivers/radeon/SIInstructions.td7
-rw-r--r--src/gallium/drivers/radeon/SIIntrinsics.td1
4 files changed, 23 insertions, 0 deletions
diff --git a/src/gallium/drivers/radeon/SIISelLowering.cpp b/src/gallium/drivers/radeon/SIISelLowering.cpp
index 2c8167382c7..ebe9514a2b9 100644
--- a/src/gallium/drivers/radeon/SIISelLowering.cpp
+++ b/src/gallium/drivers/radeon/SIISelLowering.cpp
@@ -132,6 +132,9 @@ MachineBasicBlock * SITargetLowering::EmitInstrWithCustomInserter(
case AMDGPU::SI_KIL:
LowerSI_KIL(MI, *BB, I, MRI);
break;
+ case AMDGPU::SI_WQM:
+ LowerSI_WQM(MI, *BB, I, MRI);
+ break;
case AMDGPU::SI_V_CNDLT:
LowerSI_V_CNDLT(MI, *BB, I, MRI);
break;
@@ -146,6 +149,16 @@ void SITargetLowering::AppendS_WAITCNT(MachineInstr *MI, MachineBasicBlock &BB,
.addImm(0);
}
+
+void SITargetLowering::LowerSI_WQM(MachineInstr *MI, MachineBasicBlock &BB,
+ MachineBasicBlock::iterator I, MachineRegisterInfo & MRI) const
+{
+ BuildMI(BB, I, BB.findDebugLoc(I), TII->get(AMDGPU::S_WQM_B64), AMDGPU::EXEC)
+ .addReg(AMDGPU::EXEC);
+
+ MI->eraseFromParent();
+}
+
void SITargetLowering::LowerSI_INTERP(MachineInstr *MI, MachineBasicBlock &BB,
MachineBasicBlock::iterator I, MachineRegisterInfo & MRI) const
{
diff --git a/src/gallium/drivers/radeon/SIISelLowering.h b/src/gallium/drivers/radeon/SIISelLowering.h
index 80c7f4bb86c..4407bf04667 100644
--- a/src/gallium/drivers/radeon/SIISelLowering.h
+++ b/src/gallium/drivers/radeon/SIISelLowering.h
@@ -37,6 +37,8 @@ class SITargetLowering : public AMDGPUTargetLowering
MachineBasicBlock::iterator I, MachineRegisterInfo &MRI) const;
void LowerSI_KIL(MachineInstr *MI, MachineBasicBlock &BB,
MachineBasicBlock::iterator I, MachineRegisterInfo & MRI) const;
+ void LowerSI_WQM(MachineInstr *MI, MachineBasicBlock &BB,
+ MachineBasicBlock::iterator I, MachineRegisterInfo & MRI) const;
void LowerSI_V_CNDLT(MachineInstr *MI, MachineBasicBlock &BB,
MachineBasicBlock::iterator I, MachineRegisterInfo & MRI) const;
diff --git a/src/gallium/drivers/radeon/SIInstructions.td b/src/gallium/drivers/radeon/SIInstructions.td
index 20d4c003aa1..286819638a8 100644
--- a/src/gallium/drivers/radeon/SIInstructions.td
+++ b/src/gallium/drivers/radeon/SIInstructions.td
@@ -986,6 +986,13 @@ def SI_KIL : InstSI <
[(int_AMDGPU_kill VReg_32:$src)]
>;
+def SI_WQM : InstSI <
+ (outs),
+ (ins),
+ "SI_WQM",
+ [(int_SI_wqm)]
+>;
+
} // end usesCustomInserter
// SI Psuedo branch instructions. These are used by the CFG structurizer pass
diff --git a/src/gallium/drivers/radeon/SIIntrinsics.td b/src/gallium/drivers/radeon/SIIntrinsics.td
index 401325bf5b1..fbb8dc90fbe 100644
--- a/src/gallium/drivers/radeon/SIIntrinsics.td
+++ b/src/gallium/drivers/radeon/SIIntrinsics.td
@@ -20,6 +20,7 @@ let TargetPrefix = "SI", isTarget = 1 in {
def int_SI_load_const : Intrinsic <[llvm_float_ty], [llvm_i64_ty, llvm_i32_ty], []>;
def int_SI_vs_load_buffer_index : Intrinsic <[llvm_i32_ty], [], [IntrNoMem]>;
def int_SI_vs_load_input : Intrinsic <[llvm_v4f32_ty], [llvm_v4i32_ty, llvm_i16_ty, llvm_i32_ty], []> ;
+ def int_SI_wqm : Intrinsic <[], [], []>;
def int_SI_sample : Intrinsic <[llvm_v4f32_ty], [llvm_i32_ty, llvm_v4f32_ty, llvm_v8i32_ty, llvm_v4i32_ty]>;