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-rw-r--r--lib/Target/X86/InstPrinter/X86InstComments.cpp1706
1 files changed, 982 insertions, 724 deletions
diff --git a/lib/Target/X86/InstPrinter/X86InstComments.cpp b/lib/Target/X86/InstPrinter/X86InstComments.cpp
index a8f15e6..10a1482 100644
--- a/lib/Target/X86/InstPrinter/X86InstComments.cpp
+++ b/lib/Target/X86/InstPrinter/X86InstComments.cpp
@@ -1,724 +1,982 @@
-//===-- X86InstComments.cpp - Generate verbose-asm comments for instrs ----===//
-//
-// The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-// This defines functionality used to emit comments about X86 instructions to
-// an output stream for -fverbose-asm.
-//
-//===----------------------------------------------------------------------===//
-
-#include "X86InstComments.h"
-#include "MCTargetDesc/X86MCTargetDesc.h"
-#include "Utils/X86ShuffleDecode.h"
-#include "llvm/MC/MCInst.h"
-#include "llvm/CodeGen/MachineValueType.h"
-#include "llvm/Support/raw_ostream.h"
-
-using namespace llvm;
-
-//===----------------------------------------------------------------------===//
-// Top Level Entrypoint
-//===----------------------------------------------------------------------===//
-
-/// EmitAnyX86InstComments - This function decodes x86 instructions and prints
-/// newline terminated strings to the specified string if desired. This
-/// information is shown in disassembly dumps when verbose assembly is enabled.
-bool llvm::EmitAnyX86InstComments(const MCInst *MI, raw_ostream &OS,
- const char *(*getRegName)(unsigned)) {
- // If this is a shuffle operation, the switch should fill in this state.
- SmallVector<int, 8> ShuffleMask;
- const char *DestName = nullptr, *Src1Name = nullptr, *Src2Name = nullptr;
-
- switch (MI->getOpcode()) {
- default:
- // Not an instruction for which we can decode comments.
- return false;
-
- case X86::BLENDPDrri:
- case X86::VBLENDPDrri:
- Src2Name = getRegName(MI->getOperand(2).getReg());
- // FALL THROUGH.
- case X86::BLENDPDrmi:
- case X86::VBLENDPDrmi:
- if(MI->getOperand(MI->getNumOperands()-1).isImm())
- DecodeBLENDMask(MVT::v2f64,
- MI->getOperand(MI->getNumOperands()-1).getImm(),
- ShuffleMask);
- Src1Name = getRegName(MI->getOperand(1).getReg());
- DestName = getRegName(MI->getOperand(0).getReg());
- break;
- case X86::VBLENDPDYrri:
- Src2Name = getRegName(MI->getOperand(2).getReg());
- // FALL THROUGH.
- case X86::VBLENDPDYrmi:
- if(MI->getOperand(MI->getNumOperands()-1).isImm())
- DecodeBLENDMask(MVT::v4f64,
- MI->getOperand(MI->getNumOperands()-1).getImm(),
- ShuffleMask);
- Src1Name = getRegName(MI->getOperand(1).getReg());
- DestName = getRegName(MI->getOperand(0).getReg());
- break;
-
- case X86::BLENDPSrri:
- case X86::VBLENDPSrri:
- Src2Name = getRegName(MI->getOperand(2).getReg());
- // FALL THROUGH.
- case X86::BLENDPSrmi:
- case X86::VBLENDPSrmi:
- if(MI->getOperand(MI->getNumOperands()-1).isImm())
- DecodeBLENDMask(MVT::v4f32,
- MI->getOperand(MI->getNumOperands()-1).getImm(),
- ShuffleMask);
- Src1Name = getRegName(MI->getOperand(1).getReg());
- DestName = getRegName(MI->getOperand(0).getReg());
- break;
- case X86::VBLENDPSYrri:
- Src2Name = getRegName(MI->getOperand(2).getReg());
- // FALL THROUGH.
- case X86::VBLENDPSYrmi:
- if(MI->getOperand(MI->getNumOperands()-1).isImm())
- DecodeBLENDMask(MVT::v8f32,
- MI->getOperand(MI->getNumOperands()-1).getImm(),
- ShuffleMask);
- Src1Name = getRegName(MI->getOperand(1).getReg());
- DestName = getRegName(MI->getOperand(0).getReg());
- break;
-
- case X86::PBLENDWrri:
- case X86::VPBLENDWrri:
- Src2Name = getRegName(MI->getOperand(2).getReg());
- // FALL THROUGH.
- case X86::PBLENDWrmi:
- case X86::VPBLENDWrmi:
- if(MI->getOperand(MI->getNumOperands()-1).isImm())
- DecodeBLENDMask(MVT::v8i16,
- MI->getOperand(MI->getNumOperands()-1).getImm(),
- ShuffleMask);
- Src1Name = getRegName(MI->getOperand(1).getReg());
- DestName = getRegName(MI->getOperand(0).getReg());
- break;
- case X86::VPBLENDWYrri:
- Src2Name = getRegName(MI->getOperand(2).getReg());
- // FALL THROUGH.
- case X86::VPBLENDWYrmi:
- if(MI->getOperand(MI->getNumOperands()-1).isImm())
- DecodeBLENDMask(MVT::v16i16,
- MI->getOperand(MI->getNumOperands()-1).getImm(),
- ShuffleMask);
- Src1Name = getRegName(MI->getOperand(1).getReg());
- DestName = getRegName(MI->getOperand(0).getReg());
- break;
-
- case X86::VPBLENDDrri:
- Src2Name = getRegName(MI->getOperand(2).getReg());
- // FALL THROUGH.
- case X86::VPBLENDDrmi:
- if(MI->getOperand(MI->getNumOperands()-1).isImm())
- DecodeBLENDMask(MVT::v4i32,
- MI->getOperand(MI->getNumOperands()-1).getImm(),
- ShuffleMask);
- Src1Name = getRegName(MI->getOperand(1).getReg());
- DestName = getRegName(MI->getOperand(0).getReg());
- break;
-
- case X86::VPBLENDDYrri:
- Src2Name = getRegName(MI->getOperand(2).getReg());
- // FALL THROUGH.
- case X86::VPBLENDDYrmi:
- if(MI->getOperand(MI->getNumOperands()-1).isImm())
- DecodeBLENDMask(MVT::v8i32,
- MI->getOperand(MI->getNumOperands()-1).getImm(),
- ShuffleMask);
- Src1Name = getRegName(MI->getOperand(1).getReg());
- DestName = getRegName(MI->getOperand(0).getReg());
- break;
-
- case X86::INSERTPSrr:
- case X86::VINSERTPSrr:
- DestName = getRegName(MI->getOperand(0).getReg());
- Src1Name = getRegName(MI->getOperand(1).getReg());
- Src2Name = getRegName(MI->getOperand(2).getReg());
- if(MI->getOperand(3).isImm())
- DecodeINSERTPSMask(MI->getOperand(3).getImm(), ShuffleMask);
- break;
-
- case X86::MOVLHPSrr:
- case X86::VMOVLHPSrr:
- Src2Name = getRegName(MI->getOperand(2).getReg());
- Src1Name = getRegName(MI->getOperand(1).getReg());
- DestName = getRegName(MI->getOperand(0).getReg());
- DecodeMOVLHPSMask(2, ShuffleMask);
- break;
-
- case X86::MOVHLPSrr:
- case X86::VMOVHLPSrr:
- Src2Name = getRegName(MI->getOperand(2).getReg());
- Src1Name = getRegName(MI->getOperand(1).getReg());
- DestName = getRegName(MI->getOperand(0).getReg());
- DecodeMOVHLPSMask(2, ShuffleMask);
- break;
-
- case X86::MOVSLDUPrr:
- case X86::VMOVSLDUPrr:
- Src1Name = getRegName(MI->getOperand(1).getReg());
- // FALL THROUGH.
- case X86::MOVSLDUPrm:
- case X86::VMOVSLDUPrm:
- DestName = getRegName(MI->getOperand(0).getReg());
- DecodeMOVSLDUPMask(MVT::v4f32, ShuffleMask);
- break;
-
- case X86::VMOVSHDUPYrr:
- Src1Name = getRegName(MI->getOperand(1).getReg());
- // FALL THROUGH.
- case X86::VMOVSHDUPYrm:
- DestName = getRegName(MI->getOperand(0).getReg());
- DecodeMOVSHDUPMask(MVT::v8f32, ShuffleMask);
- break;
-
- case X86::VMOVSLDUPYrr:
- Src1Name = getRegName(MI->getOperand(1).getReg());
- // FALL THROUGH.
- case X86::VMOVSLDUPYrm:
- DestName = getRegName(MI->getOperand(0).getReg());
- DecodeMOVSLDUPMask(MVT::v8f32, ShuffleMask);
- break;
-
- case X86::MOVSHDUPrr:
- case X86::VMOVSHDUPrr:
- Src1Name = getRegName(MI->getOperand(1).getReg());
- // FALL THROUGH.
- case X86::MOVSHDUPrm:
- case X86::VMOVSHDUPrm:
- DestName = getRegName(MI->getOperand(0).getReg());
- DecodeMOVSHDUPMask(MVT::v4f32, ShuffleMask);
- break;
-
- case X86::PSLLDQri:
- case X86::VPSLLDQri:
- Src1Name = getRegName(MI->getOperand(1).getReg());
- DestName = getRegName(MI->getOperand(0).getReg());
- if(MI->getOperand(MI->getNumOperands()-1).isImm())
- DecodePSLLDQMask(MVT::v16i8,
- MI->getOperand(MI->getNumOperands()-1).getImm(),
- ShuffleMask);
- break;
-
- case X86::VPSLLDQYri:
- Src1Name = getRegName(MI->getOperand(1).getReg());
- DestName = getRegName(MI->getOperand(0).getReg());
- if(MI->getOperand(MI->getNumOperands()-1).isImm())
- DecodePSLLDQMask(MVT::v32i8,
- MI->getOperand(MI->getNumOperands()-1).getImm(),
- ShuffleMask);
- break;
-
- case X86::PSRLDQri:
- case X86::VPSRLDQri:
- Src1Name = getRegName(MI->getOperand(1).getReg());
- DestName = getRegName(MI->getOperand(0).getReg());
- if(MI->getOperand(MI->getNumOperands()-1).isImm())
- DecodePSRLDQMask(MVT::v16i8,
- MI->getOperand(MI->getNumOperands()-1).getImm(),
- ShuffleMask);
- break;
-
- case X86::VPSRLDQYri:
- Src1Name = getRegName(MI->getOperand(1).getReg());
- DestName = getRegName(MI->getOperand(0).getReg());
- if(MI->getOperand(MI->getNumOperands()-1).isImm())
- DecodePSRLDQMask(MVT::v32i8,
- MI->getOperand(MI->getNumOperands()-1).getImm(),
- ShuffleMask);
- break;
-
- case X86::PALIGNR128rr:
- case X86::VPALIGNR128rr:
- Src1Name = getRegName(MI->getOperand(2).getReg());
- // FALL THROUGH.
- case X86::PALIGNR128rm:
- case X86::VPALIGNR128rm:
- Src2Name = getRegName(MI->getOperand(1).getReg());
- DestName = getRegName(MI->getOperand(0).getReg());
- if(MI->getOperand(MI->getNumOperands()-1).isImm())
- DecodePALIGNRMask(MVT::v16i8,
- MI->getOperand(MI->getNumOperands()-1).getImm(),
- ShuffleMask);
- break;
- case X86::VPALIGNR256rr:
- Src1Name = getRegName(MI->getOperand(2).getReg());
- // FALL THROUGH.
- case X86::VPALIGNR256rm:
- Src2Name = getRegName(MI->getOperand(1).getReg());
- DestName = getRegName(MI->getOperand(0).getReg());
- if(MI->getOperand(MI->getNumOperands()-1).isImm())
- DecodePALIGNRMask(MVT::v32i8,
- MI->getOperand(MI->getNumOperands()-1).getImm(),
- ShuffleMask);
- break;
-
- case X86::PSHUFDri:
- case X86::VPSHUFDri:
- Src1Name = getRegName(MI->getOperand(1).getReg());
- // FALL THROUGH.
- case X86::PSHUFDmi:
- case X86::VPSHUFDmi:
- DestName = getRegName(MI->getOperand(0).getReg());
- if(MI->getOperand(MI->getNumOperands()-1).isImm())
- DecodePSHUFMask(MVT::v4i32,
- MI->getOperand(MI->getNumOperands()-1).getImm(),
- ShuffleMask);
- break;
- case X86::VPSHUFDYri:
- Src1Name = getRegName(MI->getOperand(1).getReg());
- // FALL THROUGH.
- case X86::VPSHUFDYmi:
- DestName = getRegName(MI->getOperand(0).getReg());
- if(MI->getOperand(MI->getNumOperands()-1).isImm())
- DecodePSHUFMask(MVT::v8i32,
- MI->getOperand(MI->getNumOperands()-1).getImm(),
- ShuffleMask);
- break;
-
-
- case X86::PSHUFHWri:
- case X86::VPSHUFHWri:
- Src1Name = getRegName(MI->getOperand(1).getReg());
- // FALL THROUGH.
- case X86::PSHUFHWmi:
- case X86::VPSHUFHWmi:
- DestName = getRegName(MI->getOperand(0).getReg());
- if(MI->getOperand(MI->getNumOperands()-1).isImm())
- DecodePSHUFHWMask(MVT::v8i16,
- MI->getOperand(MI->getNumOperands()-1).getImm(),
- ShuffleMask);
- break;
- case X86::VPSHUFHWYri:
- Src1Name = getRegName(MI->getOperand(1).getReg());
- // FALL THROUGH.
- case X86::VPSHUFHWYmi:
- DestName = getRegName(MI->getOperand(0).getReg());
- if(MI->getOperand(MI->getNumOperands()-1).isImm())
- DecodePSHUFHWMask(MVT::v16i16,
- MI->getOperand(MI->getNumOperands()-1).getImm(),
- ShuffleMask);
- break;
- case X86::PSHUFLWri:
- case X86::VPSHUFLWri:
- Src1Name = getRegName(MI->getOperand(1).getReg());
- // FALL THROUGH.
- case X86::PSHUFLWmi:
- case X86::VPSHUFLWmi:
- DestName = getRegName(MI->getOperand(0).getReg());
- if(MI->getOperand(MI->getNumOperands()-1).isImm())
- DecodePSHUFLWMask(MVT::v8i16,
- MI->getOperand(MI->getNumOperands()-1).getImm(),
- ShuffleMask);
- break;
- case X86::VPSHUFLWYri:
- Src1Name = getRegName(MI->getOperand(1).getReg());
- // FALL THROUGH.
- case X86::VPSHUFLWYmi:
- DestName = getRegName(MI->getOperand(0).getReg());
- if(MI->getOperand(MI->getNumOperands()-1).isImm())
- DecodePSHUFLWMask(MVT::v16i16,
- MI->getOperand(MI->getNumOperands()-1).getImm(),
- ShuffleMask);
- break;
-
- case X86::PUNPCKHBWrr:
- case X86::VPUNPCKHBWrr:
- Src2Name = getRegName(MI->getOperand(2).getReg());
- // FALL THROUGH.
- case X86::PUNPCKHBWrm:
- case X86::VPUNPCKHBWrm:
- Src1Name = getRegName(MI->getOperand(1).getReg());
- DestName = getRegName(MI->getOperand(0).getReg());
- DecodeUNPCKHMask(MVT::v16i8, ShuffleMask);
- break;
- case X86::VPUNPCKHBWYrr:
- Src2Name = getRegName(MI->getOperand(2).getReg());
- // FALL THROUGH.
- case X86::VPUNPCKHBWYrm:
- Src1Name = getRegName(MI->getOperand(1).getReg());
- DestName = getRegName(MI->getOperand(0).getReg());
- DecodeUNPCKHMask(MVT::v32i8, ShuffleMask);
- break;
- case X86::PUNPCKHWDrr:
- case X86::VPUNPCKHWDrr:
- Src2Name = getRegName(MI->getOperand(2).getReg());
- // FALL THROUGH.
- case X86::PUNPCKHWDrm:
- case X86::VPUNPCKHWDrm:
- Src1Name = getRegName(MI->getOperand(1).getReg());
- DestName = getRegName(MI->getOperand(0).getReg());
- DecodeUNPCKHMask(MVT::v8i16, ShuffleMask);
- break;
- case X86::VPUNPCKHWDYrr:
- Src2Name = getRegName(MI->getOperand(2).getReg());
- // FALL THROUGH.
- case X86::VPUNPCKHWDYrm:
- Src1Name = getRegName(MI->getOperand(1).getReg());
- DestName = getRegName(MI->getOperand(0).getReg());
- DecodeUNPCKHMask(MVT::v16i16, ShuffleMask);
- break;
- case X86::PUNPCKHDQrr:
- case X86::VPUNPCKHDQrr:
- Src2Name = getRegName(MI->getOperand(2).getReg());
- // FALL THROUGH.
- case X86::PUNPCKHDQrm:
- case X86::VPUNPCKHDQrm:
- Src1Name = getRegName(MI->getOperand(1).getReg());
- DestName = getRegName(MI->getOperand(0).getReg());
- DecodeUNPCKHMask(MVT::v4i32, ShuffleMask);
- break;
- case X86::VPUNPCKHDQYrr:
- Src2Name = getRegName(MI->getOperand(2).getReg());
- // FALL THROUGH.
- case X86::VPUNPCKHDQYrm:
- Src1Name = getRegName(MI->getOperand(1).getReg());
- DestName = getRegName(MI->getOperand(0).getReg());
- DecodeUNPCKHMask(MVT::v8i32, ShuffleMask);
- break;
- case X86::PUNPCKHQDQrr:
- case X86::VPUNPCKHQDQrr:
- Src2Name = getRegName(MI->getOperand(2).getReg());
- // FALL THROUGH.
- case X86::PUNPCKHQDQrm:
- case X86::VPUNPCKHQDQrm:
- Src1Name = getRegName(MI->getOperand(1).getReg());
- DestName = getRegName(MI->getOperand(0).getReg());
- DecodeUNPCKHMask(MVT::v2i64, ShuffleMask);
- break;
- case X86::VPUNPCKHQDQYrr:
- Src2Name = getRegName(MI->getOperand(2).getReg());
- // FALL THROUGH.
- case X86::VPUNPCKHQDQYrm:
- Src1Name = getRegName(MI->getOperand(1).getReg());
- DestName = getRegName(MI->getOperand(0).getReg());
- DecodeUNPCKHMask(MVT::v4i64, ShuffleMask);
- break;
-
- case X86::PUNPCKLBWrr:
- case X86::VPUNPCKLBWrr:
- Src2Name = getRegName(MI->getOperand(2).getReg());
- // FALL THROUGH.
- case X86::PUNPCKLBWrm:
- case X86::VPUNPCKLBWrm:
- Src1Name = getRegName(MI->getOperand(1).getReg());
- DestName = getRegName(MI->getOperand(0).getReg());
- DecodeUNPCKLMask(MVT::v16i8, ShuffleMask);
- break;
- case X86::VPUNPCKLBWYrr:
- Src2Name = getRegName(MI->getOperand(2).getReg());
- // FALL THROUGH.
- case X86::VPUNPCKLBWYrm:
- Src1Name = getRegName(MI->getOperand(1).getReg());
- DestName = getRegName(MI->getOperand(0).getReg());
- DecodeUNPCKLMask(MVT::v32i8, ShuffleMask);
- break;
- case X86::PUNPCKLWDrr:
- case X86::VPUNPCKLWDrr:
- Src2Name = getRegName(MI->getOperand(2).getReg());
- // FALL THROUGH.
- case X86::PUNPCKLWDrm:
- case X86::VPUNPCKLWDrm:
- Src1Name = getRegName(MI->getOperand(1).getReg());
- DestName = getRegName(MI->getOperand(0).getReg());
- DecodeUNPCKLMask(MVT::v8i16, ShuffleMask);
- break;
- case X86::VPUNPCKLWDYrr:
- Src2Name = getRegName(MI->getOperand(2).getReg());
- // FALL THROUGH.
- case X86::VPUNPCKLWDYrm:
- Src1Name = getRegName(MI->getOperand(1).getReg());
- DestName = getRegName(MI->getOperand(0).getReg());
- DecodeUNPCKLMask(MVT::v16i16, ShuffleMask);
- break;
- case X86::PUNPCKLDQrr:
- case X86::VPUNPCKLDQrr:
- Src2Name = getRegName(MI->getOperand(2).getReg());
- // FALL THROUGH.
- case X86::PUNPCKLDQrm:
- case X86::VPUNPCKLDQrm:
- Src1Name = getRegName(MI->getOperand(1).getReg());
- DestName = getRegName(MI->getOperand(0).getReg());
- DecodeUNPCKLMask(MVT::v4i32, ShuffleMask);
- break;
- case X86::VPUNPCKLDQYrr:
- Src2Name = getRegName(MI->getOperand(2).getReg());
- // FALL THROUGH.
- case X86::VPUNPCKLDQYrm:
- Src1Name = getRegName(MI->getOperand(1).getReg());
- DestName = getRegName(MI->getOperand(0).getReg());
- DecodeUNPCKLMask(MVT::v8i32, ShuffleMask);
- break;
- case X86::PUNPCKLQDQrr:
- case X86::VPUNPCKLQDQrr:
- Src2Name = getRegName(MI->getOperand(2).getReg());
- // FALL THROUGH.
- case X86::PUNPCKLQDQrm:
- case X86::VPUNPCKLQDQrm:
- Src1Name = getRegName(MI->getOperand(1).getReg());
- DestName = getRegName(MI->getOperand(0).getReg());
- DecodeUNPCKLMask(MVT::v2i64, ShuffleMask);
- break;
- case X86::VPUNPCKLQDQYrr:
- Src2Name = getRegName(MI->getOperand(2).getReg());
- // FALL THROUGH.
- case X86::VPUNPCKLQDQYrm:
- Src1Name = getRegName(MI->getOperand(1).getReg());
- DestName = getRegName(MI->getOperand(0).getReg());
- DecodeUNPCKLMask(MVT::v4i64, ShuffleMask);
- break;
-
- case X86::SHUFPDrri:
- case X86::VSHUFPDrri:
- Src2Name = getRegName(MI->getOperand(2).getReg());
- // FALL THROUGH.
- case X86::SHUFPDrmi:
- case X86::VSHUFPDrmi:
- if(MI->getOperand(MI->getNumOperands()-1).isImm())
- DecodeSHUFPMask(MVT::v2f64,
- MI->getOperand(MI->getNumOperands()-1).getImm(),
- ShuffleMask);
- Src1Name = getRegName(MI->getOperand(1).getReg());
- DestName = getRegName(MI->getOperand(0).getReg());
- break;
- case X86::VSHUFPDYrri:
- Src2Name = getRegName(MI->getOperand(2).getReg());
- // FALL THROUGH.
- case X86::VSHUFPDYrmi:
- if(MI->getOperand(MI->getNumOperands()-1).isImm())
- DecodeSHUFPMask(MVT::v4f64,
- MI->getOperand(MI->getNumOperands()-1).getImm(),
- ShuffleMask);
- Src1Name = getRegName(MI->getOperand(1).getReg());
- DestName = getRegName(MI->getOperand(0).getReg());
- break;
-
- case X86::SHUFPSrri:
- case X86::VSHUFPSrri:
- Src2Name = getRegName(MI->getOperand(2).getReg());
- // FALL THROUGH.
- case X86::SHUFPSrmi:
- case X86::VSHUFPSrmi:
- if(MI->getOperand(MI->getNumOperands()-1).isImm())
- DecodeSHUFPMask(MVT::v4f32,
- MI->getOperand(MI->getNumOperands()-1).getImm(),
- ShuffleMask);
- Src1Name = getRegName(MI->getOperand(1).getReg());
- DestName = getRegName(MI->getOperand(0).getReg());
- break;
- case X86::VSHUFPSYrri:
- Src2Name = getRegName(MI->getOperand(2).getReg());
- // FALL THROUGH.
- case X86::VSHUFPSYrmi:
- if(MI->getOperand(MI->getNumOperands()-1).isImm())
- DecodeSHUFPMask(MVT::v8f32,
- MI->getOperand(MI->getNumOperands()-1).getImm(),
- ShuffleMask);
- Src1Name = getRegName(MI->getOperand(1).getReg());
- DestName = getRegName(MI->getOperand(0).getReg());
- break;
-
- case X86::UNPCKLPDrr:
- case X86::VUNPCKLPDrr:
- Src2Name = getRegName(MI->getOperand(2).getReg());
- // FALL THROUGH.
- case X86::UNPCKLPDrm:
- case X86::VUNPCKLPDrm:
- DecodeUNPCKLMask(MVT::v2f64, ShuffleMask);
- Src1Name = getRegName(MI->getOperand(1).getReg());
- DestName = getRegName(MI->getOperand(0).getReg());
- break;
- case X86::VUNPCKLPDYrr:
- Src2Name = getRegName(MI->getOperand(2).getReg());
- // FALL THROUGH.
- case X86::VUNPCKLPDYrm:
- DecodeUNPCKLMask(MVT::v4f64, ShuffleMask);
- Src1Name = getRegName(MI->getOperand(1).getReg());
- DestName = getRegName(MI->getOperand(0).getReg());
- break;
- case X86::UNPCKLPSrr:
- case X86::VUNPCKLPSrr:
- Src2Name = getRegName(MI->getOperand(2).getReg());
- // FALL THROUGH.
- case X86::UNPCKLPSrm:
- case X86::VUNPCKLPSrm:
- DecodeUNPCKLMask(MVT::v4f32, ShuffleMask);
- Src1Name = getRegName(MI->getOperand(1).getReg());
- DestName = getRegName(MI->getOperand(0).getReg());
- break;
- case X86::VUNPCKLPSYrr:
- Src2Name = getRegName(MI->getOperand(2).getReg());
- // FALL THROUGH.
- case X86::VUNPCKLPSYrm:
- DecodeUNPCKLMask(MVT::v8f32, ShuffleMask);
- Src1Name = getRegName(MI->getOperand(1).getReg());
- DestName = getRegName(MI->getOperand(0).getReg());
- break;
- case X86::UNPCKHPDrr:
- case X86::VUNPCKHPDrr:
- Src2Name = getRegName(MI->getOperand(2).getReg());
- // FALL THROUGH.
- case X86::UNPCKHPDrm:
- case X86::VUNPCKHPDrm:
- DecodeUNPCKHMask(MVT::v2f64, ShuffleMask);
- Src1Name = getRegName(MI->getOperand(1).getReg());
- DestName = getRegName(MI->getOperand(0).getReg());
- break;
- case X86::VUNPCKHPDYrr:
- Src2Name = getRegName(MI->getOperand(2).getReg());
- // FALL THROUGH.
- case X86::VUNPCKHPDYrm:
- DecodeUNPCKHMask(MVT::v4f64, ShuffleMask);
- Src1Name = getRegName(MI->getOperand(1).getReg());
- DestName = getRegName(MI->getOperand(0).getReg());
- break;
- case X86::UNPCKHPSrr:
- case X86::VUNPCKHPSrr:
- Src2Name = getRegName(MI->getOperand(2).getReg());
- // FALL THROUGH.
- case X86::UNPCKHPSrm:
- case X86::VUNPCKHPSrm:
- DecodeUNPCKHMask(MVT::v4f32, ShuffleMask);
- Src1Name = getRegName(MI->getOperand(1).getReg());
- DestName = getRegName(MI->getOperand(0).getReg());
- break;
- case X86::VUNPCKHPSYrr:
- Src2Name = getRegName(MI->getOperand(2).getReg());
- // FALL THROUGH.
- case X86::VUNPCKHPSYrm:
- DecodeUNPCKHMask(MVT::v8f32, ShuffleMask);
- Src1Name = getRegName(MI->getOperand(1).getReg());
- DestName = getRegName(MI->getOperand(0).getReg());
- break;
- case X86::VPERMILPSri:
- Src1Name = getRegName(MI->getOperand(1).getReg());
- // FALL THROUGH.
- case X86::VPERMILPSmi:
- if(MI->getOperand(MI->getNumOperands()-1).isImm())
- DecodePSHUFMask(MVT::v4f32,
- MI->getOperand(MI->getNumOperands()-1).getImm(),
- ShuffleMask);
- DestName = getRegName(MI->getOperand(0).getReg());
- break;
- case X86::VPERMILPSYri:
- Src1Name = getRegName(MI->getOperand(1).getReg());
- // FALL THROUGH.
- case X86::VPERMILPSYmi:
- if(MI->getOperand(MI->getNumOperands()-1).isImm())
- DecodePSHUFMask(MVT::v8f32,
- MI->getOperand(MI->getNumOperands()-1).getImm(),
- ShuffleMask);
- DestName = getRegName(MI->getOperand(0).getReg());
- break;
- case X86::VPERMILPDri:
- Src1Name = getRegName(MI->getOperand(1).getReg());
- // FALL THROUGH.
- case X86::VPERMILPDmi:
- if(MI->getOperand(MI->getNumOperands()-1).isImm())
- DecodePSHUFMask(MVT::v2f64,
- MI->getOperand(MI->getNumOperands()-1).getImm(),
- ShuffleMask);
- DestName = getRegName(MI->getOperand(0).getReg());
- break;
- case X86::VPERMILPDYri:
- Src1Name = getRegName(MI->getOperand(1).getReg());
- // FALL THROUGH.
- case X86::VPERMILPDYmi:
- if(MI->getOperand(MI->getNumOperands()-1).isImm())
- DecodePSHUFMask(MVT::v4f64,
- MI->getOperand(MI->getNumOperands()-1).getImm(),
- ShuffleMask);
- DestName = getRegName(MI->getOperand(0).getReg());
- break;
- case X86::VPERM2F128rr:
- case X86::VPERM2I128rr:
- Src2Name = getRegName(MI->getOperand(2).getReg());
- // FALL THROUGH.
- case X86::VPERM2F128rm:
- case X86::VPERM2I128rm:
- // For instruction comments purpose, assume the 256-bit vector is v4i64.
- if(MI->getOperand(MI->getNumOperands()-1).isImm())
- DecodeVPERM2X128Mask(MVT::v4i64,
- MI->getOperand(MI->getNumOperands()-1).getImm(),
- ShuffleMask);
- Src1Name = getRegName(MI->getOperand(1).getReg());
- DestName = getRegName(MI->getOperand(0).getReg());
- break;
- case X86::VPERMQYri:
- case X86::VPERMPDYri:
- Src1Name = getRegName(MI->getOperand(1).getReg());
- // FALL THROUGH.
- case X86::VPERMQYmi:
- case X86::VPERMPDYmi:
- if(MI->getOperand(MI->getNumOperands()-1).isImm())
- DecodeVPERMMask(MI->getOperand(MI->getNumOperands()-1).getImm(),
- ShuffleMask);
- DestName = getRegName(MI->getOperand(0).getReg());
- break;
- }
-
- // The only comments we decode are shuffles, so give up if we were unable to
- // decode a shuffle mask.
- if (ShuffleMask.empty())
- return false;
-
- if (!DestName) DestName = Src1Name;
- OS << (DestName ? DestName : "mem") << " = ";
-
- // If the two sources are the same, canonicalize the input elements to be
- // from the first src so that we get larger element spans.
- if (Src1Name == Src2Name) {
- for (unsigned i = 0, e = ShuffleMask.size(); i != e; ++i) {
- if ((int)ShuffleMask[i] >= 0 && // Not sentinel.
- ShuffleMask[i] >= (int)e) // From second mask.
- ShuffleMask[i] -= e;
- }
- }
-
- // The shuffle mask specifies which elements of the src1/src2 fill in the
- // destination, with a few sentinel values. Loop through and print them
- // out.
- for (unsigned i = 0, e = ShuffleMask.size(); i != e; ++i) {
- if (i != 0)
- OS << ',';
- if (ShuffleMask[i] == SM_SentinelZero) {
- OS << "zero";
- continue;
- }
-
- // Otherwise, it must come from src1 or src2. Print the span of elements
- // that comes from this src.
- bool isSrc1 = ShuffleMask[i] < (int)ShuffleMask.size();
- const char *SrcName = isSrc1 ? Src1Name : Src2Name;
- OS << (SrcName ? SrcName : "mem") << '[';
- bool IsFirst = true;
- while (i != e && (int)ShuffleMask[i] != SM_SentinelZero &&
- (ShuffleMask[i] < (int)ShuffleMask.size()) == isSrc1) {
- if (!IsFirst)
- OS << ',';
- else
- IsFirst = false;
- if (ShuffleMask[i] == SM_SentinelUndef)
- OS << "u";
- else
- OS << ShuffleMask[i] % ShuffleMask.size();
- ++i;
- }
- OS << ']';
- --i; // For loop increments element #.
- }
- //MI->print(OS, 0);
- OS << "\n";
-
- // We successfully added a comment to this instruction.
- return true;
-}
+//===-- X86InstComments.cpp - Generate verbose-asm comments for instrs ----===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This defines functionality used to emit comments about X86 instructions to
+// an output stream for -fverbose-asm.
+//
+//===----------------------------------------------------------------------===//
+
+#include "X86InstComments.h"
+#include "MCTargetDesc/X86MCTargetDesc.h"
+#include "Utils/X86ShuffleDecode.h"
+#include "llvm/MC/MCInst.h"
+#include "llvm/CodeGen/MachineValueType.h"
+#include "llvm/Support/raw_ostream.h"
+
+using namespace llvm;
+
+/// \brief Extracts the src/dst types for a given zero extension instruction.
+/// \note While the number of elements in DstVT type correct, the
+/// number in the SrcVT type is expanded to fill the src xmm register and the
+/// upper elements may not be included in the dst xmm/ymm register.
+static void getZeroExtensionTypes(const MCInst *MI, MVT &SrcVT, MVT &DstVT) {
+ switch (MI->getOpcode()) {
+ default:
+ llvm_unreachable("Unknown zero extension instruction");
+ // i8 zero extension
+ case X86::PMOVZXBWrm:
+ case X86::PMOVZXBWrr:
+ case X86::VPMOVZXBWrm:
+ case X86::VPMOVZXBWrr:
+ SrcVT = MVT::v16i8;
+ DstVT = MVT::v8i16;
+ break;
+ case X86::VPMOVZXBWYrm:
+ case X86::VPMOVZXBWYrr:
+ SrcVT = MVT::v16i8;
+ DstVT = MVT::v16i16;
+ break;
+ case X86::PMOVZXBDrm:
+ case X86::PMOVZXBDrr:
+ case X86::VPMOVZXBDrm:
+ case X86::VPMOVZXBDrr:
+ SrcVT = MVT::v16i8;
+ DstVT = MVT::v4i32;
+ break;
+ case X86::VPMOVZXBDYrm:
+ case X86::VPMOVZXBDYrr:
+ SrcVT = MVT::v16i8;
+ DstVT = MVT::v8i32;
+ break;
+ case X86::PMOVZXBQrm:
+ case X86::PMOVZXBQrr:
+ case X86::VPMOVZXBQrm:
+ case X86::VPMOVZXBQrr:
+ SrcVT = MVT::v16i8;
+ DstVT = MVT::v2i64;
+ break;
+ case X86::VPMOVZXBQYrm:
+ case X86::VPMOVZXBQYrr:
+ SrcVT = MVT::v16i8;
+ DstVT = MVT::v4i64;
+ break;
+ // i16 zero extension
+ case X86::PMOVZXWDrm:
+ case X86::PMOVZXWDrr:
+ case X86::VPMOVZXWDrm:
+ case X86::VPMOVZXWDrr:
+ SrcVT = MVT::v8i16;
+ DstVT = MVT::v4i32;
+ break;
+ case X86::VPMOVZXWDYrm:
+ case X86::VPMOVZXWDYrr:
+ SrcVT = MVT::v8i16;
+ DstVT = MVT::v8i32;
+ break;
+ case X86::PMOVZXWQrm:
+ case X86::PMOVZXWQrr:
+ case X86::VPMOVZXWQrm:
+ case X86::VPMOVZXWQrr:
+ SrcVT = MVT::v8i16;
+ DstVT = MVT::v2i64;
+ break;
+ case X86::VPMOVZXWQYrm:
+ case X86::VPMOVZXWQYrr:
+ SrcVT = MVT::v8i16;
+ DstVT = MVT::v4i64;
+ break;
+ // i32 zero extension
+ case X86::PMOVZXDQrm:
+ case X86::PMOVZXDQrr:
+ case X86::VPMOVZXDQrm:
+ case X86::VPMOVZXDQrr:
+ SrcVT = MVT::v4i32;
+ DstVT = MVT::v2i64;
+ break;
+ case X86::VPMOVZXDQYrm:
+ case X86::VPMOVZXDQYrr:
+ SrcVT = MVT::v4i32;
+ DstVT = MVT::v4i64;
+ break;
+ }
+}
+
+//===----------------------------------------------------------------------===//
+// Top Level Entrypoint
+//===----------------------------------------------------------------------===//
+
+/// EmitAnyX86InstComments - This function decodes x86 instructions and prints
+/// newline terminated strings to the specified string if desired. This
+/// information is shown in disassembly dumps when verbose assembly is enabled.
+bool llvm::EmitAnyX86InstComments(const MCInst *MI, raw_ostream &OS,
+ const char *(*getRegName)(unsigned)) {
+ // If this is a shuffle operation, the switch should fill in this state.
+ SmallVector<int, 8> ShuffleMask;
+ const char *DestName = nullptr, *Src1Name = nullptr, *Src2Name = nullptr;
+
+ switch (MI->getOpcode()) {
+ default:
+ // Not an instruction for which we can decode comments.
+ return false;
+
+ case X86::BLENDPDrri:
+ case X86::VBLENDPDrri:
+ Src2Name = getRegName(MI->getOperand(2).getReg());
+ // FALL THROUGH.
+ case X86::BLENDPDrmi:
+ case X86::VBLENDPDrmi:
+ if(MI->getOperand(MI->getNumOperands()-1).isImm())
+ DecodeBLENDMask(MVT::v2f64,
+ MI->getOperand(MI->getNumOperands()-1).getImm(),
+ ShuffleMask);
+ Src1Name = getRegName(MI->getOperand(1).getReg());
+ DestName = getRegName(MI->getOperand(0).getReg());
+ break;
+ case X86::VBLENDPDYrri:
+ Src2Name = getRegName(MI->getOperand(2).getReg());
+ // FALL THROUGH.
+ case X86::VBLENDPDYrmi:
+ if(MI->getOperand(MI->getNumOperands()-1).isImm())
+ DecodeBLENDMask(MVT::v4f64,
+ MI->getOperand(MI->getNumOperands()-1).getImm(),
+ ShuffleMask);
+ Src1Name = getRegName(MI->getOperand(1).getReg());
+ DestName = getRegName(MI->getOperand(0).getReg());
+ break;
+
+ case X86::BLENDPSrri:
+ case X86::VBLENDPSrri:
+ Src2Name = getRegName(MI->getOperand(2).getReg());
+ // FALL THROUGH.
+ case X86::BLENDPSrmi:
+ case X86::VBLENDPSrmi:
+ if(MI->getOperand(MI->getNumOperands()-1).isImm())
+ DecodeBLENDMask(MVT::v4f32,
+ MI->getOperand(MI->getNumOperands()-1).getImm(),
+ ShuffleMask);
+ Src1Name = getRegName(MI->getOperand(1).getReg());
+ DestName = getRegName(MI->getOperand(0).getReg());
+ break;
+ case X86::VBLENDPSYrri:
+ Src2Name = getRegName(MI->getOperand(2).getReg());
+ // FALL THROUGH.
+ case X86::VBLENDPSYrmi:
+ if(MI->getOperand(MI->getNumOperands()-1).isImm())
+ DecodeBLENDMask(MVT::v8f32,
+ MI->getOperand(MI->getNumOperands()-1).getImm(),
+ ShuffleMask);
+ Src1Name = getRegName(MI->getOperand(1).getReg());
+ DestName = getRegName(MI->getOperand(0).getReg());
+ break;
+
+ case X86::PBLENDWrri:
+ case X86::VPBLENDWrri:
+ Src2Name = getRegName(MI->getOperand(2).getReg());
+ // FALL THROUGH.
+ case X86::PBLENDWrmi:
+ case X86::VPBLENDWrmi:
+ if(MI->getOperand(MI->getNumOperands()-1).isImm())
+ DecodeBLENDMask(MVT::v8i16,
+ MI->getOperand(MI->getNumOperands()-1).getImm(),
+ ShuffleMask);
+ Src1Name = getRegName(MI->getOperand(1).getReg());
+ DestName = getRegName(MI->getOperand(0).getReg());
+ break;
+ case X86::VPBLENDWYrri:
+ Src2Name = getRegName(MI->getOperand(2).getReg());
+ // FALL THROUGH.
+ case X86::VPBLENDWYrmi:
+ if(MI->getOperand(MI->getNumOperands()-1).isImm())
+ DecodeBLENDMask(MVT::v16i16,
+ MI->getOperand(MI->getNumOperands()-1).getImm(),
+ ShuffleMask);
+ Src1Name = getRegName(MI->getOperand(1).getReg());
+ DestName = getRegName(MI->getOperand(0).getReg());
+ break;
+
+ case X86::VPBLENDDrri:
+ Src2Name = getRegName(MI->getOperand(2).getReg());
+ // FALL THROUGH.
+ case X86::VPBLENDDrmi:
+ if(MI->getOperand(MI->getNumOperands()-1).isImm())
+ DecodeBLENDMask(MVT::v4i32,
+ MI->getOperand(MI->getNumOperands()-1).getImm(),
+ ShuffleMask);
+ Src1Name = getRegName(MI->getOperand(1).getReg());
+ DestName = getRegName(MI->getOperand(0).getReg());
+ break;
+
+ case X86::VPBLENDDYrri:
+ Src2Name = getRegName(MI->getOperand(2).getReg());
+ // FALL THROUGH.
+ case X86::VPBLENDDYrmi:
+ if(MI->getOperand(MI->getNumOperands()-1).isImm())
+ DecodeBLENDMask(MVT::v8i32,
+ MI->getOperand(MI->getNumOperands()-1).getImm(),
+ ShuffleMask);
+ Src1Name = getRegName(MI->getOperand(1).getReg());
+ DestName = getRegName(MI->getOperand(0).getReg());
+ break;
+
+ case X86::INSERTPSrr:
+ case X86::VINSERTPSrr:
+ Src2Name = getRegName(MI->getOperand(2).getReg());
+ // FALL THROUGH.
+ case X86::INSERTPSrm:
+ case X86::VINSERTPSrm:
+ DestName = getRegName(MI->getOperand(0).getReg());
+ Src1Name = getRegName(MI->getOperand(1).getReg());
+ if(MI->getOperand(MI->getNumOperands()-1).isImm())
+ DecodeINSERTPSMask(MI->getOperand(MI->getNumOperands()-1).getImm(),
+ ShuffleMask);
+ break;
+
+ case X86::MOVLHPSrr:
+ case X86::VMOVLHPSrr:
+ Src2Name = getRegName(MI->getOperand(2).getReg());
+ Src1Name = getRegName(MI->getOperand(1).getReg());
+ DestName = getRegName(MI->getOperand(0).getReg());
+ DecodeMOVLHPSMask(2, ShuffleMask);
+ break;
+
+ case X86::MOVHLPSrr:
+ case X86::VMOVHLPSrr:
+ Src2Name = getRegName(MI->getOperand(2).getReg());
+ Src1Name = getRegName(MI->getOperand(1).getReg());
+ DestName = getRegName(MI->getOperand(0).getReg());
+ DecodeMOVHLPSMask(2, ShuffleMask);
+ break;
+
+ case X86::MOVSLDUPrr:
+ case X86::VMOVSLDUPrr:
+ Src1Name = getRegName(MI->getOperand(1).getReg());
+ // FALL THROUGH.
+ case X86::MOVSLDUPrm:
+ case X86::VMOVSLDUPrm:
+ DestName = getRegName(MI->getOperand(0).getReg());
+ DecodeMOVSLDUPMask(MVT::v4f32, ShuffleMask);
+ break;
+
+ case X86::VMOVSHDUPYrr:
+ Src1Name = getRegName(MI->getOperand(1).getReg());
+ // FALL THROUGH.
+ case X86::VMOVSHDUPYrm:
+ DestName = getRegName(MI->getOperand(0).getReg());
+ DecodeMOVSHDUPMask(MVT::v8f32, ShuffleMask);
+ break;
+
+ case X86::VMOVSLDUPYrr:
+ Src1Name = getRegName(MI->getOperand(1).getReg());
+ // FALL THROUGH.
+ case X86::VMOVSLDUPYrm:
+ DestName = getRegName(MI->getOperand(0).getReg());
+ DecodeMOVSLDUPMask(MVT::v8f32, ShuffleMask);
+ break;
+
+ case X86::MOVSHDUPrr:
+ case X86::VMOVSHDUPrr:
+ Src1Name = getRegName(MI->getOperand(1).getReg());
+ // FALL THROUGH.
+ case X86::MOVSHDUPrm:
+ case X86::VMOVSHDUPrm:
+ DestName = getRegName(MI->getOperand(0).getReg());
+ DecodeMOVSHDUPMask(MVT::v4f32, ShuffleMask);
+ break;
+
+ case X86::VMOVDDUPYrr:
+ Src1Name = getRegName(MI->getOperand(1).getReg());
+ // FALL THROUGH.
+ case X86::VMOVDDUPYrm:
+ DestName = getRegName(MI->getOperand(0).getReg());
+ DecodeMOVDDUPMask(MVT::v4f64, ShuffleMask);
+ break;
+
+ case X86::MOVDDUPrr:
+ case X86::VMOVDDUPrr:
+ Src1Name = getRegName(MI->getOperand(1).getReg());
+ // FALL THROUGH.
+ case X86::MOVDDUPrm:
+ case X86::VMOVDDUPrm:
+ DestName = getRegName(MI->getOperand(0).getReg());
+ DecodeMOVDDUPMask(MVT::v2f64, ShuffleMask);
+ break;
+
+ case X86::PSLLDQri:
+ case X86::VPSLLDQri:
+ Src1Name = getRegName(MI->getOperand(1).getReg());
+ DestName = getRegName(MI->getOperand(0).getReg());
+ if(MI->getOperand(MI->getNumOperands()-1).isImm())
+ DecodePSLLDQMask(MVT::v16i8,
+ MI->getOperand(MI->getNumOperands()-1).getImm(),
+ ShuffleMask);
+ break;
+
+ case X86::VPSLLDQYri:
+ Src1Name = getRegName(MI->getOperand(1).getReg());
+ DestName = getRegName(MI->getOperand(0).getReg());
+ if(MI->getOperand(MI->getNumOperands()-1).isImm())
+ DecodePSLLDQMask(MVT::v32i8,
+ MI->getOperand(MI->getNumOperands()-1).getImm(),
+ ShuffleMask);
+ break;
+
+ case X86::PSRLDQri:
+ case X86::VPSRLDQri:
+ Src1Name = getRegName(MI->getOperand(1).getReg());
+ DestName = getRegName(MI->getOperand(0).getReg());
+ if(MI->getOperand(MI->getNumOperands()-1).isImm())
+ DecodePSRLDQMask(MVT::v16i8,
+ MI->getOperand(MI->getNumOperands()-1).getImm(),
+ ShuffleMask);
+ break;
+
+ case X86::VPSRLDQYri:
+ Src1Name = getRegName(MI->getOperand(1).getReg());
+ DestName = getRegName(MI->getOperand(0).getReg());
+ if(MI->getOperand(MI->getNumOperands()-1).isImm())
+ DecodePSRLDQMask(MVT::v32i8,
+ MI->getOperand(MI->getNumOperands()-1).getImm(),
+ ShuffleMask);
+ break;
+
+ case X86::PALIGNR128rr:
+ case X86::VPALIGNR128rr:
+ Src1Name = getRegName(MI->getOperand(2).getReg());
+ // FALL THROUGH.
+ case X86::PALIGNR128rm:
+ case X86::VPALIGNR128rm:
+ Src2Name = getRegName(MI->getOperand(1).getReg());
+ DestName = getRegName(MI->getOperand(0).getReg());
+ if(MI->getOperand(MI->getNumOperands()-1).isImm())
+ DecodePALIGNRMask(MVT::v16i8,
+ MI->getOperand(MI->getNumOperands()-1).getImm(),
+ ShuffleMask);
+ break;
+ case X86::VPALIGNR256rr:
+ Src1Name = getRegName(MI->getOperand(2).getReg());
+ // FALL THROUGH.
+ case X86::VPALIGNR256rm:
+ Src2Name = getRegName(MI->getOperand(1).getReg());
+ DestName = getRegName(MI->getOperand(0).getReg());
+ if(MI->getOperand(MI->getNumOperands()-1).isImm())
+ DecodePALIGNRMask(MVT::v32i8,
+ MI->getOperand(MI->getNumOperands()-1).getImm(),
+ ShuffleMask);
+ break;
+
+ case X86::PSHUFDri:
+ case X86::VPSHUFDri:
+ Src1Name = getRegName(MI->getOperand(1).getReg());
+ // FALL THROUGH.
+ case X86::PSHUFDmi:
+ case X86::VPSHUFDmi:
+ DestName = getRegName(MI->getOperand(0).getReg());
+ if(MI->getOperand(MI->getNumOperands()-1).isImm())
+ DecodePSHUFMask(MVT::v4i32,
+ MI->getOperand(MI->getNumOperands()-1).getImm(),
+ ShuffleMask);
+ break;
+ case X86::VPSHUFDYri:
+ Src1Name = getRegName(MI->getOperand(1).getReg());
+ // FALL THROUGH.
+ case X86::VPSHUFDYmi:
+ DestName = getRegName(MI->getOperand(0).getReg());
+ if(MI->getOperand(MI->getNumOperands()-1).isImm())
+ DecodePSHUFMask(MVT::v8i32,
+ MI->getOperand(MI->getNumOperands()-1).getImm(),
+ ShuffleMask);
+ break;
+
+
+ case X86::PSHUFHWri:
+ case X86::VPSHUFHWri:
+ Src1Name = getRegName(MI->getOperand(1).getReg());
+ // FALL THROUGH.
+ case X86::PSHUFHWmi:
+ case X86::VPSHUFHWmi:
+ DestName = getRegName(MI->getOperand(0).getReg());
+ if(MI->getOperand(MI->getNumOperands()-1).isImm())
+ DecodePSHUFHWMask(MVT::v8i16,
+ MI->getOperand(MI->getNumOperands()-1).getImm(),
+ ShuffleMask);
+ break;
+ case X86::VPSHUFHWYri:
+ Src1Name = getRegName(MI->getOperand(1).getReg());
+ // FALL THROUGH.
+ case X86::VPSHUFHWYmi:
+ DestName = getRegName(MI->getOperand(0).getReg());
+ if(MI->getOperand(MI->getNumOperands()-1).isImm())
+ DecodePSHUFHWMask(MVT::v16i16,
+ MI->getOperand(MI->getNumOperands()-1).getImm(),
+ ShuffleMask);
+ break;
+ case X86::PSHUFLWri:
+ case X86::VPSHUFLWri:
+ Src1Name = getRegName(MI->getOperand(1).getReg());
+ // FALL THROUGH.
+ case X86::PSHUFLWmi:
+ case X86::VPSHUFLWmi:
+ DestName = getRegName(MI->getOperand(0).getReg());
+ if(MI->getOperand(MI->getNumOperands()-1).isImm())
+ DecodePSHUFLWMask(MVT::v8i16,
+ MI->getOperand(MI->getNumOperands()-1).getImm(),
+ ShuffleMask);
+ break;
+ case X86::VPSHUFLWYri:
+ Src1Name = getRegName(MI->getOperand(1).getReg());
+ // FALL THROUGH.
+ case X86::VPSHUFLWYmi:
+ DestName = getRegName(MI->getOperand(0).getReg());
+ if(MI->getOperand(MI->getNumOperands()-1).isImm())
+ DecodePSHUFLWMask(MVT::v16i16,
+ MI->getOperand(MI->getNumOperands()-1).getImm(),
+ ShuffleMask);
+ break;
+
+ case X86::PUNPCKHBWrr:
+ case X86::VPUNPCKHBWrr:
+ Src2Name = getRegName(MI->getOperand(2).getReg());
+ // FALL THROUGH.
+ case X86::PUNPCKHBWrm:
+ case X86::VPUNPCKHBWrm:
+ Src1Name = getRegName(MI->getOperand(1).getReg());
+ DestName = getRegName(MI->getOperand(0).getReg());
+ DecodeUNPCKHMask(MVT::v16i8, ShuffleMask);
+ break;
+ case X86::VPUNPCKHBWYrr:
+ Src2Name = getRegName(MI->getOperand(2).getReg());
+ // FALL THROUGH.
+ case X86::VPUNPCKHBWYrm:
+ Src1Name = getRegName(MI->getOperand(1).getReg());
+ DestName = getRegName(MI->getOperand(0).getReg());
+ DecodeUNPCKHMask(MVT::v32i8, ShuffleMask);
+ break;
+ case X86::PUNPCKHWDrr:
+ case X86::VPUNPCKHWDrr:
+ Src2Name = getRegName(MI->getOperand(2).getReg());
+ // FALL THROUGH.
+ case X86::PUNPCKHWDrm:
+ case X86::VPUNPCKHWDrm:
+ Src1Name = getRegName(MI->getOperand(1).getReg());
+ DestName = getRegName(MI->getOperand(0).getReg());
+ DecodeUNPCKHMask(MVT::v8i16, ShuffleMask);
+ break;
+ case X86::VPUNPCKHWDYrr:
+ Src2Name = getRegName(MI->getOperand(2).getReg());
+ // FALL THROUGH.
+ case X86::VPUNPCKHWDYrm:
+ Src1Name = getRegName(MI->getOperand(1).getReg());
+ DestName = getRegName(MI->getOperand(0).getReg());
+ DecodeUNPCKHMask(MVT::v16i16, ShuffleMask);
+ break;
+ case X86::PUNPCKHDQrr:
+ case X86::VPUNPCKHDQrr:
+ Src2Name = getRegName(MI->getOperand(2).getReg());
+ // FALL THROUGH.
+ case X86::PUNPCKHDQrm:
+ case X86::VPUNPCKHDQrm:
+ Src1Name = getRegName(MI->getOperand(1).getReg());
+ DestName = getRegName(MI->getOperand(0).getReg());
+ DecodeUNPCKHMask(MVT::v4i32, ShuffleMask);
+ break;
+ case X86::VPUNPCKHDQYrr:
+ Src2Name = getRegName(MI->getOperand(2).getReg());
+ // FALL THROUGH.
+ case X86::VPUNPCKHDQYrm:
+ Src1Name = getRegName(MI->getOperand(1).getReg());
+ DestName = getRegName(MI->getOperand(0).getReg());
+ DecodeUNPCKHMask(MVT::v8i32, ShuffleMask);
+ break;
+ case X86::VPUNPCKHDQZrr:
+ Src2Name = getRegName(MI->getOperand(2).getReg());
+ // FALL THROUGH.
+ case X86::VPUNPCKHDQZrm:
+ Src1Name = getRegName(MI->getOperand(1).getReg());
+ DestName = getRegName(MI->getOperand(0).getReg());
+ DecodeUNPCKHMask(MVT::v16i32, ShuffleMask);
+ break;
+ case X86::PUNPCKHQDQrr:
+ case X86::VPUNPCKHQDQrr:
+ Src2Name = getRegName(MI->getOperand(2).getReg());
+ // FALL THROUGH.
+ case X86::PUNPCKHQDQrm:
+ case X86::VPUNPCKHQDQrm:
+ Src1Name = getRegName(MI->getOperand(1).getReg());
+ DestName = getRegName(MI->getOperand(0).getReg());
+ DecodeUNPCKHMask(MVT::v2i64, ShuffleMask);
+ break;
+ case X86::VPUNPCKHQDQYrr:
+ Src2Name = getRegName(MI->getOperand(2).getReg());
+ // FALL THROUGH.
+ case X86::VPUNPCKHQDQYrm:
+ Src1Name = getRegName(MI->getOperand(1).getReg());
+ DestName = getRegName(MI->getOperand(0).getReg());
+ DecodeUNPCKHMask(MVT::v4i64, ShuffleMask);
+ break;
+ case X86::VPUNPCKHQDQZrr:
+ Src2Name = getRegName(MI->getOperand(2).getReg());
+ // FALL THROUGH.
+ case X86::VPUNPCKHQDQZrm:
+ Src1Name = getRegName(MI->getOperand(1).getReg());
+ DestName = getRegName(MI->getOperand(0).getReg());
+ DecodeUNPCKHMask(MVT::v8i64, ShuffleMask);
+ break;
+
+ case X86::PUNPCKLBWrr:
+ case X86::VPUNPCKLBWrr:
+ Src2Name = getRegName(MI->getOperand(2).getReg());
+ // FALL THROUGH.
+ case X86::PUNPCKLBWrm:
+ case X86::VPUNPCKLBWrm:
+ Src1Name = getRegName(MI->getOperand(1).getReg());
+ DestName = getRegName(MI->getOperand(0).getReg());
+ DecodeUNPCKLMask(MVT::v16i8, ShuffleMask);
+ break;
+ case X86::VPUNPCKLBWYrr:
+ Src2Name = getRegName(MI->getOperand(2).getReg());
+ // FALL THROUGH.
+ case X86::VPUNPCKLBWYrm:
+ Src1Name = getRegName(MI->getOperand(1).getReg());
+ DestName = getRegName(MI->getOperand(0).getReg());
+ DecodeUNPCKLMask(MVT::v32i8, ShuffleMask);
+ break;
+ case X86::PUNPCKLWDrr:
+ case X86::VPUNPCKLWDrr:
+ Src2Name = getRegName(MI->getOperand(2).getReg());
+ // FALL THROUGH.
+ case X86::PUNPCKLWDrm:
+ case X86::VPUNPCKLWDrm:
+ Src1Name = getRegName(MI->getOperand(1).getReg());
+ DestName = getRegName(MI->getOperand(0).getReg());
+ DecodeUNPCKLMask(MVT::v8i16, ShuffleMask);
+ break;
+ case X86::VPUNPCKLWDYrr:
+ Src2Name = getRegName(MI->getOperand(2).getReg());
+ // FALL THROUGH.
+ case X86::VPUNPCKLWDYrm:
+ Src1Name = getRegName(MI->getOperand(1).getReg());
+ DestName = getRegName(MI->getOperand(0).getReg());
+ DecodeUNPCKLMask(MVT::v16i16, ShuffleMask);
+ break;
+ case X86::PUNPCKLDQrr:
+ case X86::VPUNPCKLDQrr:
+ Src2Name = getRegName(MI->getOperand(2).getReg());
+ // FALL THROUGH.
+ case X86::PUNPCKLDQrm:
+ case X86::VPUNPCKLDQrm:
+ Src1Name = getRegName(MI->getOperand(1).getReg());
+ DestName = getRegName(MI->getOperand(0).getReg());
+ DecodeUNPCKLMask(MVT::v4i32, ShuffleMask);
+ break;
+ case X86::VPUNPCKLDQYrr:
+ Src2Name = getRegName(MI->getOperand(2).getReg());
+ // FALL THROUGH.
+ case X86::VPUNPCKLDQYrm:
+ Src1Name = getRegName(MI->getOperand(1).getReg());
+ DestName = getRegName(MI->getOperand(0).getReg());
+ DecodeUNPCKLMask(MVT::v8i32, ShuffleMask);
+ break;
+ case X86::VPUNPCKLDQZrr:
+ Src2Name = getRegName(MI->getOperand(2).getReg());
+ // FALL THROUGH.
+ case X86::VPUNPCKLDQZrm:
+ Src1Name = getRegName(MI->getOperand(1).getReg());
+ DestName = getRegName(MI->getOperand(0).getReg());
+ DecodeUNPCKLMask(MVT::v16i32, ShuffleMask);
+ break;
+ case X86::PUNPCKLQDQrr:
+ case X86::VPUNPCKLQDQrr:
+ Src2Name = getRegName(MI->getOperand(2).getReg());
+ // FALL THROUGH.
+ case X86::PUNPCKLQDQrm:
+ case X86::VPUNPCKLQDQrm:
+ Src1Name = getRegName(MI->getOperand(1).getReg());
+ DestName = getRegName(MI->getOperand(0).getReg());
+ DecodeUNPCKLMask(MVT::v2i64, ShuffleMask);
+ break;
+ case X86::VPUNPCKLQDQYrr:
+ Src2Name = getRegName(MI->getOperand(2).getReg());
+ // FALL THROUGH.
+ case X86::VPUNPCKLQDQYrm:
+ Src1Name = getRegName(MI->getOperand(1).getReg());
+ DestName = getRegName(MI->getOperand(0).getReg());
+ DecodeUNPCKLMask(MVT::v4i64, ShuffleMask);
+ break;
+ case X86::VPUNPCKLQDQZrr:
+ Src2Name = getRegName(MI->getOperand(2).getReg());
+ // FALL THROUGH.
+ case X86::VPUNPCKLQDQZrm:
+ Src1Name = getRegName(MI->getOperand(1).getReg());
+ DestName = getRegName(MI->getOperand(0).getReg());
+ DecodeUNPCKLMask(MVT::v8i64, ShuffleMask);
+ break;
+
+ case X86::SHUFPDrri:
+ case X86::VSHUFPDrri:
+ Src2Name = getRegName(MI->getOperand(2).getReg());
+ // FALL THROUGH.
+ case X86::SHUFPDrmi:
+ case X86::VSHUFPDrmi:
+ if(MI->getOperand(MI->getNumOperands()-1).isImm())
+ DecodeSHUFPMask(MVT::v2f64,
+ MI->getOperand(MI->getNumOperands()-1).getImm(),
+ ShuffleMask);
+ Src1Name = getRegName(MI->getOperand(1).getReg());
+ DestName = getRegName(MI->getOperand(0).getReg());
+ break;
+ case X86::VSHUFPDYrri:
+ Src2Name = getRegName(MI->getOperand(2).getReg());
+ // FALL THROUGH.
+ case X86::VSHUFPDYrmi:
+ if(MI->getOperand(MI->getNumOperands()-1).isImm())
+ DecodeSHUFPMask(MVT::v4f64,
+ MI->getOperand(MI->getNumOperands()-1).getImm(),
+ ShuffleMask);
+ Src1Name = getRegName(MI->getOperand(1).getReg());
+ DestName = getRegName(MI->getOperand(0).getReg());
+ break;
+
+ case X86::SHUFPSrri:
+ case X86::VSHUFPSrri:
+ Src2Name = getRegName(MI->getOperand(2).getReg());
+ // FALL THROUGH.
+ case X86::SHUFPSrmi:
+ case X86::VSHUFPSrmi:
+ if(MI->getOperand(MI->getNumOperands()-1).isImm())
+ DecodeSHUFPMask(MVT::v4f32,
+ MI->getOperand(MI->getNumOperands()-1).getImm(),
+ ShuffleMask);
+ Src1Name = getRegName(MI->getOperand(1).getReg());
+ DestName = getRegName(MI->getOperand(0).getReg());
+ break;
+ case X86::VSHUFPSYrri:
+ Src2Name = getRegName(MI->getOperand(2).getReg());
+ // FALL THROUGH.
+ case X86::VSHUFPSYrmi:
+ if(MI->getOperand(MI->getNumOperands()-1).isImm())
+ DecodeSHUFPMask(MVT::v8f32,
+ MI->getOperand(MI->getNumOperands()-1).getImm(),
+ ShuffleMask);
+ Src1Name = getRegName(MI->getOperand(1).getReg());
+ DestName = getRegName(MI->getOperand(0).getReg());
+ break;
+
+ case X86::UNPCKLPDrr:
+ case X86::VUNPCKLPDrr:
+ Src2Name = getRegName(MI->getOperand(2).getReg());
+ // FALL THROUGH.
+ case X86::UNPCKLPDrm:
+ case X86::VUNPCKLPDrm:
+ DecodeUNPCKLMask(MVT::v2f64, ShuffleMask);
+ Src1Name = getRegName(MI->getOperand(1).getReg());
+ DestName = getRegName(MI->getOperand(0).getReg());
+ break;
+ case X86::VUNPCKLPDYrr:
+ Src2Name = getRegName(MI->getOperand(2).getReg());
+ // FALL THROUGH.
+ case X86::VUNPCKLPDYrm:
+ DecodeUNPCKLMask(MVT::v4f64, ShuffleMask);
+ Src1Name = getRegName(MI->getOperand(1).getReg());
+ DestName = getRegName(MI->getOperand(0).getReg());
+ break;
+ case X86::VUNPCKLPDZrr:
+ Src2Name = getRegName(MI->getOperand(2).getReg());
+ // FALL THROUGH.
+ case X86::VUNPCKLPDZrm:
+ DecodeUNPCKLMask(MVT::v8f64, ShuffleMask);
+ Src1Name = getRegName(MI->getOperand(1).getReg());
+ DestName = getRegName(MI->getOperand(0).getReg());
+ break;
+ case X86::UNPCKLPSrr:
+ case X86::VUNPCKLPSrr:
+ Src2Name = getRegName(MI->getOperand(2).getReg());
+ // FALL THROUGH.
+ case X86::UNPCKLPSrm:
+ case X86::VUNPCKLPSrm:
+ DecodeUNPCKLMask(MVT::v4f32, ShuffleMask);
+ Src1Name = getRegName(MI->getOperand(1).getReg());
+ DestName = getRegName(MI->getOperand(0).getReg());
+ break;
+ case X86::VUNPCKLPSYrr:
+ Src2Name = getRegName(MI->getOperand(2).getReg());
+ // FALL THROUGH.
+ case X86::VUNPCKLPSYrm:
+ DecodeUNPCKLMask(MVT::v8f32, ShuffleMask);
+ Src1Name = getRegName(MI->getOperand(1).getReg());
+ DestName = getRegName(MI->getOperand(0).getReg());
+ break;
+ case X86::VUNPCKLPSZrr:
+ Src2Name = getRegName(MI->getOperand(2).getReg());
+ // FALL THROUGH.
+ case X86::VUNPCKLPSZrm:
+ DecodeUNPCKLMask(MVT::v16f32, ShuffleMask);
+ Src1Name = getRegName(MI->getOperand(1).getReg());
+ DestName = getRegName(MI->getOperand(0).getReg());
+ break;
+ case X86::UNPCKHPDrr:
+ case X86::VUNPCKHPDrr:
+ Src2Name = getRegName(MI->getOperand(2).getReg());
+ // FALL THROUGH.
+ case X86::UNPCKHPDrm:
+ case X86::VUNPCKHPDrm:
+ DecodeUNPCKHMask(MVT::v2f64, ShuffleMask);
+ Src1Name = getRegName(MI->getOperand(1).getReg());
+ DestName = getRegName(MI->getOperand(0).getReg());
+ break;
+ case X86::VUNPCKHPDYrr:
+ Src2Name = getRegName(MI->getOperand(2).getReg());
+ // FALL THROUGH.
+ case X86::VUNPCKHPDYrm:
+ DecodeUNPCKHMask(MVT::v4f64, ShuffleMask);
+ Src1Name = getRegName(MI->getOperand(1).getReg());
+ DestName = getRegName(MI->getOperand(0).getReg());
+ break;
+ case X86::VUNPCKHPDZrr:
+ Src2Name = getRegName(MI->getOperand(2).getReg());
+ // FALL THROUGH.
+ case X86::VUNPCKHPDZrm:
+ DecodeUNPCKHMask(MVT::v8f64, ShuffleMask);
+ Src1Name = getRegName(MI->getOperand(1).getReg());
+ DestName = getRegName(MI->getOperand(0).getReg());
+ break;
+ case X86::UNPCKHPSrr:
+ case X86::VUNPCKHPSrr:
+ Src2Name = getRegName(MI->getOperand(2).getReg());
+ // FALL THROUGH.
+ case X86::UNPCKHPSrm:
+ case X86::VUNPCKHPSrm:
+ DecodeUNPCKHMask(MVT::v4f32, ShuffleMask);
+ Src1Name = getRegName(MI->getOperand(1).getReg());
+ DestName = getRegName(MI->getOperand(0).getReg());
+ break;
+ case X86::VUNPCKHPSYrr:
+ Src2Name = getRegName(MI->getOperand(2).getReg());
+ // FALL THROUGH.
+ case X86::VUNPCKHPSYrm:
+ DecodeUNPCKHMask(MVT::v8f32, ShuffleMask);
+ Src1Name = getRegName(MI->getOperand(1).getReg());
+ DestName = getRegName(MI->getOperand(0).getReg());
+ break;
+ case X86::VUNPCKHPSZrr:
+ Src2Name = getRegName(MI->getOperand(2).getReg());
+ // FALL THROUGH.
+ case X86::VUNPCKHPSZrm:
+ DecodeUNPCKHMask(MVT::v16f32, ShuffleMask);
+ Src1Name = getRegName(MI->getOperand(1).getReg());
+ DestName = getRegName(MI->getOperand(0).getReg());
+ break;
+ case X86::VPERMILPSri:
+ Src1Name = getRegName(MI->getOperand(1).getReg());
+ // FALL THROUGH.
+ case X86::VPERMILPSmi:
+ if(MI->getOperand(MI->getNumOperands()-1).isImm())
+ DecodePSHUFMask(MVT::v4f32,
+ MI->getOperand(MI->getNumOperands()-1).getImm(),
+ ShuffleMask);
+ DestName = getRegName(MI->getOperand(0).getReg());
+ break;
+ case X86::VPERMILPSYri:
+ Src1Name = getRegName(MI->getOperand(1).getReg());
+ // FALL THROUGH.
+ case X86::VPERMILPSYmi:
+ if(MI->getOperand(MI->getNumOperands()-1).isImm())
+ DecodePSHUFMask(MVT::v8f32,
+ MI->getOperand(MI->getNumOperands()-1).getImm(),
+ ShuffleMask);
+ DestName = getRegName(MI->getOperand(0).getReg());
+ break;
+ case X86::VPERMILPDri:
+ Src1Name = getRegName(MI->getOperand(1).getReg());
+ // FALL THROUGH.
+ case X86::VPERMILPDmi:
+ if(MI->getOperand(MI->getNumOperands()-1).isImm())
+ DecodePSHUFMask(MVT::v2f64,
+ MI->getOperand(MI->getNumOperands()-1).getImm(),
+ ShuffleMask);
+ DestName = getRegName(MI->getOperand(0).getReg());
+ break;
+ case X86::VPERMILPDYri:
+ Src1Name = getRegName(MI->getOperand(1).getReg());
+ // FALL THROUGH.
+ case X86::VPERMILPDYmi:
+ if(MI->getOperand(MI->getNumOperands()-1).isImm())
+ DecodePSHUFMask(MVT::v4f64,
+ MI->getOperand(MI->getNumOperands()-1).getImm(),
+ ShuffleMask);
+ DestName = getRegName(MI->getOperand(0).getReg());
+ break;
+ case X86::VPERM2F128rr:
+ case X86::VPERM2I128rr:
+ Src2Name = getRegName(MI->getOperand(2).getReg());
+ // FALL THROUGH.
+ case X86::VPERM2F128rm:
+ case X86::VPERM2I128rm:
+ // For instruction comments purpose, assume the 256-bit vector is v4i64.
+ if(MI->getOperand(MI->getNumOperands()-1).isImm())
+ DecodeVPERM2X128Mask(MVT::v4i64,
+ MI->getOperand(MI->getNumOperands()-1).getImm(),
+ ShuffleMask);
+ Src1Name = getRegName(MI->getOperand(1).getReg());
+ DestName = getRegName(MI->getOperand(0).getReg());
+ break;
+ case X86::VPERMQYri:
+ case X86::VPERMPDYri:
+ Src1Name = getRegName(MI->getOperand(1).getReg());
+ // FALL THROUGH.
+ case X86::VPERMQYmi:
+ case X86::VPERMPDYmi:
+ if(MI->getOperand(MI->getNumOperands()-1).isImm())
+ DecodeVPERMMask(MI->getOperand(MI->getNumOperands()-1).getImm(),
+ ShuffleMask);
+ DestName = getRegName(MI->getOperand(0).getReg());
+ break;
+
+ case X86::MOVSDrr:
+ case X86::VMOVSDrr:
+ Src2Name = getRegName(MI->getOperand(2).getReg());
+ Src1Name = getRegName(MI->getOperand(1).getReg());
+ // FALL THROUGH.
+ case X86::MOVSDrm:
+ case X86::VMOVSDrm:
+ DecodeScalarMoveMask(MVT::v2f64, nullptr == Src2Name, ShuffleMask);
+ DestName = getRegName(MI->getOperand(0).getReg());
+ break;
+ case X86::MOVSSrr:
+ case X86::VMOVSSrr:
+ Src2Name = getRegName(MI->getOperand(2).getReg());
+ Src1Name = getRegName(MI->getOperand(1).getReg());
+ // FALL THROUGH.
+ case X86::MOVSSrm:
+ case X86::VMOVSSrm:
+ DecodeScalarMoveMask(MVT::v4f32, nullptr == Src2Name, ShuffleMask);
+ DestName = getRegName(MI->getOperand(0).getReg());
+ break;
+
+ case X86::MOVPQI2QIrr:
+ case X86::MOVZPQILo2PQIrr:
+ case X86::VMOVPQI2QIrr:
+ case X86::VMOVZPQILo2PQIrr:
+ Src1Name = getRegName(MI->getOperand(1).getReg());
+ // FALL THROUGH.
+ case X86::MOVQI2PQIrm:
+ case X86::MOVZQI2PQIrm:
+ case X86::MOVZPQILo2PQIrm:
+ case X86::VMOVQI2PQIrm:
+ case X86::VMOVZQI2PQIrm:
+ case X86::VMOVZPQILo2PQIrm:
+ DecodeZeroMoveLowMask(MVT::v2i64, ShuffleMask);
+ DestName = getRegName(MI->getOperand(0).getReg());
+ break;
+ case X86::MOVDI2PDIrm:
+ case X86::VMOVDI2PDIrm:
+ DecodeZeroMoveLowMask(MVT::v4i32, ShuffleMask);
+ DestName = getRegName(MI->getOperand(0).getReg());
+ break;
+
+ case X86::PMOVZXBWrr:
+ case X86::PMOVZXBDrr:
+ case X86::PMOVZXBQrr:
+ case X86::PMOVZXWDrr:
+ case X86::PMOVZXWQrr:
+ case X86::PMOVZXDQrr:
+ case X86::VPMOVZXBWrr:
+ case X86::VPMOVZXBDrr:
+ case X86::VPMOVZXBQrr:
+ case X86::VPMOVZXWDrr:
+ case X86::VPMOVZXWQrr:
+ case X86::VPMOVZXDQrr:
+ case X86::VPMOVZXBWYrr:
+ case X86::VPMOVZXBDYrr:
+ case X86::VPMOVZXBQYrr:
+ case X86::VPMOVZXWDYrr:
+ case X86::VPMOVZXWQYrr:
+ case X86::VPMOVZXDQYrr:
+ Src1Name = getRegName(MI->getOperand(1).getReg());
+ // FALL THROUGH.
+ case X86::PMOVZXBWrm:
+ case X86::PMOVZXBDrm:
+ case X86::PMOVZXBQrm:
+ case X86::PMOVZXWDrm:
+ case X86::PMOVZXWQrm:
+ case X86::PMOVZXDQrm:
+ case X86::VPMOVZXBWrm:
+ case X86::VPMOVZXBDrm:
+ case X86::VPMOVZXBQrm:
+ case X86::VPMOVZXWDrm:
+ case X86::VPMOVZXWQrm:
+ case X86::VPMOVZXDQrm:
+ case X86::VPMOVZXBWYrm:
+ case X86::VPMOVZXBDYrm:
+ case X86::VPMOVZXBQYrm:
+ case X86::VPMOVZXWDYrm:
+ case X86::VPMOVZXWQYrm:
+ case X86::VPMOVZXDQYrm: {
+ MVT SrcVT, DstVT;
+ getZeroExtensionTypes(MI, SrcVT, DstVT);
+ DecodeZeroExtendMask(SrcVT, DstVT, ShuffleMask);
+ DestName = getRegName(MI->getOperand(0).getReg());
+ } break;
+ }
+
+ // The only comments we decode are shuffles, so give up if we were unable to
+ // decode a shuffle mask.
+ if (ShuffleMask.empty())
+ return false;
+
+ if (!DestName) DestName = Src1Name;
+ OS << (DestName ? DestName : "mem") << " = ";
+
+ // If the two sources are the same, canonicalize the input elements to be
+ // from the first src so that we get larger element spans.
+ if (Src1Name == Src2Name) {
+ for (unsigned i = 0, e = ShuffleMask.size(); i != e; ++i) {
+ if ((int)ShuffleMask[i] >= 0 && // Not sentinel.
+ ShuffleMask[i] >= (int)e) // From second mask.
+ ShuffleMask[i] -= e;
+ }
+ }
+
+ // The shuffle mask specifies which elements of the src1/src2 fill in the
+ // destination, with a few sentinel values. Loop through and print them
+ // out.
+ for (unsigned i = 0, e = ShuffleMask.size(); i != e; ++i) {
+ if (i != 0)
+ OS << ',';
+ if (ShuffleMask[i] == SM_SentinelZero) {
+ OS << "zero";
+ continue;
+ }
+
+ // Otherwise, it must come from src1 or src2. Print the span of elements
+ // that comes from this src.
+ bool isSrc1 = ShuffleMask[i] < (int)ShuffleMask.size();
+ const char *SrcName = isSrc1 ? Src1Name : Src2Name;
+ OS << (SrcName ? SrcName : "mem") << '[';
+ bool IsFirst = true;
+ while (i != e && (int)ShuffleMask[i] != SM_SentinelZero &&
+ (ShuffleMask[i] < (int)ShuffleMask.size()) == isSrc1) {
+ if (!IsFirst)
+ OS << ',';
+ else
+ IsFirst = false;
+ if (ShuffleMask[i] == SM_SentinelUndef)
+ OS << "u";
+ else
+ OS << ShuffleMask[i] % ShuffleMask.size();
+ ++i;
+ }
+ OS << ']';
+ --i; // For loop increments element #.
+ }
+ //MI->print(OS, 0);
+ OS << "\n";
+
+ // We successfully added a comment to this instruction.
+ return true;
+}
generated by cgit v1.1 at 2024-12-22 11:24:19 +0000