diff options
Diffstat (limited to 'lib/Target/AArch64/InstPrinter')
-rw-r--r-- | lib/Target/AArch64/InstPrinter/AArch64InstPrinter.cpp | 30 | ||||
-rw-r--r-- | lib/Target/AArch64/InstPrinter/AArch64InstPrinter.h | 3 |
2 files changed, 33 insertions, 0 deletions
diff --git a/lib/Target/AArch64/InstPrinter/AArch64InstPrinter.cpp b/lib/Target/AArch64/InstPrinter/AArch64InstPrinter.cpp index 26bd797..51335e1 100644 --- a/lib/Target/AArch64/InstPrinter/AArch64InstPrinter.cpp +++ b/lib/Target/AArch64/InstPrinter/AArch64InstPrinter.cpp @@ -507,3 +507,33 @@ void AArch64InstPrinter::printNeonUImm64MaskOperand(const MCInst *MI, O << "#0x"; O.write_hex(Mask); } + +// If Count > 1, there are two valid kinds of vector list: +// (1) {Vn.layout, Vn+1.layout, ... , Vm.layout} +// (2) {Vn.layout - Vm.layout} +// We choose the first kind as output. +template <A64Layout::VectorLayout Layout, unsigned Count> +void AArch64InstPrinter::printVectorList(const MCInst *MI, unsigned OpNum, + raw_ostream &O) { + assert(Count >= 1 && Count <= 4 && "Invalid Number of Vectors"); + + unsigned Reg = MI->getOperand(OpNum).getReg(); + std::string LayoutStr = A64VectorLayoutToString(Layout); + O << "{"; + if (Count > 1) { // Print sub registers separately + bool IsVec64 = (Layout < A64Layout::_16B) ? true : false; + unsigned SubRegIdx = IsVec64 ? AArch64::dsub_0 : AArch64::qsub_0; + for (unsigned I = 0; I < Count; I++) { + std::string Name = getRegisterName(MRI.getSubReg(Reg, SubRegIdx++)); + Name[0] = 'v'; + O << Name << LayoutStr; + if (I != Count - 1) + O << ", "; + } + } else { // Print the register directly when NumVecs is 1. + std::string Name = getRegisterName(Reg); + Name[0] = 'v'; + O << Name << LayoutStr; + } + O << "}"; +} diff --git a/lib/Target/AArch64/InstPrinter/AArch64InstPrinter.h b/lib/Target/AArch64/InstPrinter/AArch64InstPrinter.h index 71c9f4a..28ebfc4 100644 --- a/lib/Target/AArch64/InstPrinter/AArch64InstPrinter.h +++ b/lib/Target/AArch64/InstPrinter/AArch64InstPrinter.h @@ -174,6 +174,9 @@ public: raw_ostream &O); void printNeonUImm64MaskOperand(const MCInst *MI, unsigned OpNum, raw_ostream &O); + + template <A64Layout::VectorLayout Layout, unsigned Count> + void printVectorList(const MCInst *MI, unsigned OpNum, raw_ostream &O); }; } |