[AMDGPU] gfx908 mfma support
Differential Revision: https://reviews.llvm.org/D64584
llvm-svn: 365824
diff --git a/llvm/lib/Target/AMDGPU/AMDGPUISelDAGToDAG.cpp b/llvm/lib/Target/AMDGPU/AMDGPUISelDAGToDAG.cpp
index b3589a0..7fa23fd 100644
--- a/llvm/lib/Target/AMDGPU/AMDGPUISelDAGToDAG.cpp
+++ b/llvm/lib/Target/AMDGPU/AMDGPUISelDAGToDAG.cpp
@@ -647,6 +647,8 @@
return AMDGPU::SReg_256RegClassID;
case 16:
return AMDGPU::SReg_512RegClassID;
+ case 32:
+ return AMDGPU::SReg_1024RegClassID;
}
llvm_unreachable("invalid vector size");
@@ -665,12 +667,12 @@
return;
}
- assert(NumVectorElts <= 16 && "Vectors with more than 16 elements not "
+ assert(NumVectorElts <= 32 && "Vectors with more than 32 elements not "
"supported yet");
- // 16 = Max Num Vector Elements
+ // 32 = Max Num Vector Elements
// 2 = 2 REG_SEQUENCE operands per element (value, subreg index)
// 1 = Vector Register Class
- SmallVector<SDValue, 16 * 2 + 1> RegSeqArgs(NumVectorElts * 2 + 1);
+ SmallVector<SDValue, 32 * 2 + 1> RegSeqArgs(NumVectorElts * 2 + 1);
RegSeqArgs[0] = CurDAG->getTargetConstant(RegClassID, DL, MVT::i32);
bool IsRegSeq = true;