diff options
Diffstat (limited to 'lib/Target')
-rw-r--r-- | lib/Target/ARM/ARMInstrInfo.td | 14 | ||||
-rw-r--r-- | lib/Target/ARM/ARMInstrThumb2.td | 2 | ||||
-rw-r--r-- | lib/Target/ARM/AsmParser/ARMAsmParser.cpp | 16 | ||||
-rw-r--r-- | lib/Target/ARM/InstPrinter/ARMInstPrinter.cpp | 4 | ||||
-rw-r--r-- | lib/Target/ARM/InstPrinter/ARMInstPrinter.h | 2 |
5 files changed, 32 insertions, 6 deletions
diff --git a/lib/Target/ARM/ARMInstrInfo.td b/lib/Target/ARM/ARMInstrInfo.td index 6e9743f..83a2514 100644 --- a/lib/Target/ARM/ARMInstrInfo.td +++ b/lib/Target/ARM/ARMInstrInfo.td @@ -543,10 +543,20 @@ def imm1_32_XFORM: SDNodeXForm<imm, [{ def Imm1_32AsmOperand: AsmOperandClass { let Name = "Imm1_32"; } def imm1_32 : Operand<i32>, PatLeaf<(imm), [{ return Imm > 0 && Imm <= 32; }], imm1_32_XFORM> { - let PrintMethod = "printImm1_32Operand"; + let PrintMethod = "printImmPlusOneOperand"; let ParserMatchClass = Imm1_32AsmOperand; } +def imm1_16_XFORM: SDNodeXForm<imm, [{ + return CurDAG->getTargetConstant((int)N->getZExtValue() - 1, MVT::i32); +}]>; +def Imm1_16AsmOperand: AsmOperandClass { let Name = "Imm1_16"; } +def imm1_16 : Operand<i32>, PatLeaf<(imm), [{ return Imm > 0 && Imm <= 16; }], + imm1_16_XFORM> { + let PrintMethod = "printImmPlusOneOperand"; + let ParserMatchClass = Imm1_16AsmOperand; +} + // Define ARM specific addressing modes. // addrmode_imm12 := reg +/- imm12 // @@ -2709,7 +2719,7 @@ def SSAT : AI<(outs GPR:$Rd), (ins imm1_32:$sat_imm, GPR:$Rn, shift_imm:$sh), let Inst{3-0} = Rn; } -def SSAT16 : AI<(outs GPR:$Rd), (ins imm1_32:$sat_imm, GPR:$Rn), SatFrm, +def SSAT16 : AI<(outs GPR:$Rd), (ins imm1_16:$sat_imm, GPR:$Rn), SatFrm, NoItinerary, "ssat16", "\t$Rd, $sat_imm, $Rn", []> { bits<4> Rd; bits<4> sat_imm; diff --git a/lib/Target/ARM/ARMInstrThumb2.td b/lib/Target/ARM/ARMInstrThumb2.td index 808ae51..1a9ab1c 100644 --- a/lib/Target/ARM/ARMInstrThumb2.td +++ b/lib/Target/ARM/ARMInstrThumb2.td @@ -1935,7 +1935,7 @@ def t2SSAT: T2SatI< } def t2SSAT16: T2SatI< - (outs rGPR:$Rd), (ins imm1_32:$sat_imm, rGPR:$Rn), NoItinerary, + (outs rGPR:$Rd), (ins imm1_16:$sat_imm, rGPR:$Rn), NoItinerary, "ssat16", "\t$Rd, $sat_imm, $Rn", [/* For disassembly only; pattern left blank */]>, Requires<[IsThumb2, HasThumb2DSP]> { diff --git a/lib/Target/ARM/AsmParser/ARMAsmParser.cpp b/lib/Target/ARM/AsmParser/ARMAsmParser.cpp index 02ed547..f6f8adc 100644 --- a/lib/Target/ARM/AsmParser/ARMAsmParser.cpp +++ b/lib/Target/ARM/AsmParser/ARMAsmParser.cpp @@ -433,6 +433,14 @@ public: int64_t Value = CE->getValue(); return Value >= 0 && Value < 32; } + bool isImm1_16() const { + if (Kind != Immediate) + return false; + const MCConstantExpr *CE = dyn_cast<MCConstantExpr>(getImm()); + if (!CE) return false; + int64_t Value = CE->getValue(); + return Value > 0 && Value < 17; + } bool isImm1_32() const { if (Kind != Immediate) return false; @@ -704,6 +712,14 @@ public: addExpr(Inst, getImm()); } + void addImm1_16Operands(MCInst &Inst, unsigned N) const { + assert(N == 1 && "Invalid number of operands!"); + // The constant encodes as the immediate-1, and we store in the instruction + // the bits as encoded, so subtract off one here. + const MCConstantExpr *CE = dyn_cast<MCConstantExpr>(getImm()); + Inst.addOperand(MCOperand::CreateImm(CE->getValue() - 1)); + } + void addImm1_32Operands(MCInst &Inst, unsigned N) const { assert(N == 1 && "Invalid number of operands!"); // The constant encodes as the immediate-1, and we store in the instruction diff --git a/lib/Target/ARM/InstPrinter/ARMInstPrinter.cpp b/lib/Target/ARM/InstPrinter/ARMInstPrinter.cpp index 296080a..3e58631 100644 --- a/lib/Target/ARM/InstPrinter/ARMInstPrinter.cpp +++ b/lib/Target/ARM/InstPrinter/ARMInstPrinter.cpp @@ -830,8 +830,8 @@ void ARMInstPrinter::printNEONModImmOperand(const MCInst *MI, unsigned OpNum, O << "#0x" << utohexstr(Val); } -void ARMInstPrinter::printImm1_32Operand(const MCInst *MI, unsigned OpNum, - raw_ostream &O) { +void ARMInstPrinter::printImmPlusOneOperand(const MCInst *MI, unsigned OpNum, + raw_ostream &O) { unsigned Imm = MI->getOperand(OpNum).getImm(); O << "#" << Imm + 1; } diff --git a/lib/Target/ARM/InstPrinter/ARMInstPrinter.h b/lib/Target/ARM/InstPrinter/ARMInstPrinter.h index 208a3a7..c254ace 100644 --- a/lib/Target/ARM/InstPrinter/ARMInstPrinter.h +++ b/lib/Target/ARM/InstPrinter/ARMInstPrinter.h @@ -114,7 +114,7 @@ public: void printVFPf32ImmOperand(const MCInst *MI, unsigned OpNum, raw_ostream &O); void printVFPf64ImmOperand(const MCInst *MI, unsigned OpNum, raw_ostream &O); void printNEONModImmOperand(const MCInst *MI, unsigned OpNum, raw_ostream &O); - void printImm1_32Operand(const MCInst *MI, unsigned OpNum, raw_ostream &O); + void printImmPlusOneOperand(const MCInst *MI, unsigned OpNum, raw_ostream &O); void printPCLabel(const MCInst *MI, unsigned OpNum, raw_ostream &O); }; |