From: Tom Stellard <thomas.stellard@amd.com>
Date: Thu, 17 May 2012 17:13:17 +0000 (-0400)
Subject: radeon/llvm: Expand fsub during ISel
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=1fe70c6ae12e85cdb5967ba6d72fca8a9e5c3ec3;p=mesa.git

radeon/llvm: Expand fsub during ISel
---

diff --git a/src/gallium/drivers/radeon/R600ISelLowering.cpp b/src/gallium/drivers/radeon/R600ISelLowering.cpp
index 4db40f799ed..1fffb99c601 100644
--- a/src/gallium/drivers/radeon/R600ISelLowering.cpp
+++ b/src/gallium/drivers/radeon/R600ISelLowering.cpp
@@ -34,6 +34,8 @@ R600TargetLowering::R600TargetLowering(TargetMachine &TM) :
   setOperationAction(ISD::INSERT_VECTOR_ELT, MVT::v4f32, Legal);
   setOperationAction(ISD::EXTRACT_VECTOR_ELT, MVT::v4i32, Legal);
   setOperationAction(ISD::INSERT_VECTOR_ELT, MVT::v4i32, Legal);
+
+  setOperationAction(ISD::FSUB, MVT::f32, Expand);
 }
 
 MachineBasicBlock * R600TargetLowering::EmitInstrWithCustomInserter(
diff --git a/src/gallium/drivers/radeon/R600LowerInstructions.cpp b/src/gallium/drivers/radeon/R600LowerInstructions.cpp
index 19c3aae1e61..a5f57cc1d36 100644
--- a/src/gallium/drivers/radeon/R600LowerInstructions.cpp
+++ b/src/gallium/drivers/radeon/R600LowerInstructions.cpp
@@ -303,17 +303,6 @@ bool R600LowerInstructionsPass::runOnMachineFunction(MachineFunction &MF)
           break;
         }
 
-      case AMDIL::SUB_f32:
-        {
-          MI.getOperand(2).addTargetFlag(MO_FLAG_NEG);
-          BuildMI(MBB, I, MBB.findDebugLoc(I),
-                          TII->get(TII->getISAOpcode(AMDIL::ADD)))
-                  .addOperand(MI.getOperand(0))
-                  .addOperand(MI.getOperand(1))
-                  .addOperand(MI.getOperand(2));
-          break;
-        }
-
       case AMDIL::ULT:
         BuildMI(MBB, I, MBB.findDebugLoc(I), TII->get(AMDIL::SETGT_UINT))
                 .addOperand(MI.getOperand(0))