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-rw-r--r--llvm/lib/Target/AMDGPU/Disassembler/AMDGPUDisassembler.cpp16
1 files changed, 12 insertions, 4 deletions
diff --git a/llvm/lib/Target/AMDGPU/Disassembler/AMDGPUDisassembler.cpp b/llvm/lib/Target/AMDGPU/Disassembler/AMDGPUDisassembler.cpp
index d274d6a7505..4fb03b62bba 100644
--- a/llvm/lib/Target/AMDGPU/Disassembler/AMDGPUDisassembler.cpp
+++ b/llvm/lib/Target/AMDGPU/Disassembler/AMDGPUDisassembler.cpp
@@ -22,6 +22,7 @@
#include "AMDGPURegisterInfo.h"
#include "SIDefines.h"
#include "Utils/AMDGPUBaseInfo.h"
+#include "MCTargetDesc/AMDGPUMCTargetDesc.h"
#include "llvm/MC/MCContext.h"
#include "llvm/MC/MCFixedLenDisassembler.h"
@@ -105,10 +106,6 @@ static DecodeStatus decodeOperand_VSrcV216(MCInst &Inst,
return addOperand(Inst, DAsm->decodeOperand_VSrcV216(Imm));
}
-#define GET_SUBTARGETINFO_ENUM
-#include "AMDGPUGenSubtargetInfo.inc"
-#undef GET_SUBTARGETINFO_ENUM
-
#include "AMDGPUGenDisassemblerTables.inc"
//===----------------------------------------------------------------------===//
@@ -188,6 +185,17 @@ DecodeStatus AMDGPUDisassembler::getInstruction(MCInst &MI, uint64_t &Size,
Res = tryDecodeInst(DecoderTableAMDGPU64, MI, QW, Address);
} while (false);
+ if (Res && (MI.getOpcode() == AMDGPU::V_MAC_F32_e64_vi ||
+ MI.getOpcode() == AMDGPU::V_MAC_F32_e64_si ||
+ MI.getOpcode() == AMDGPU::V_MAC_F16_e64_vi)) {
+ // Insert dummy unused src2_modifiers.
+ int Src2ModIdx = AMDGPU::getNamedOperandIdx(MI.getOpcode(),
+ AMDGPU::OpName::src2_modifiers);
+ auto I = MI.begin();
+ std::advance(I, Src2ModIdx);
+ MI.insert(I, MCOperand::createImm(0));
+ }
+
Size = Res ? (MaxInstBytesNum - Bytes.size()) : 0;
return Res;
}
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