IIC_VST1, "vst1", Dt, "$Vd, $Rn", "", []> {
let Rm = 0b1111;
let Inst{4} = Rn{4};
- let DecoderMethod = "DecodeVSTInstruction";
+ let DecoderMethod = "DecodeVST1Instruction";
}
class VST1Q<bits<4> op7_4, string Dt>
: NLdSt<0,0b00,0b1010,op7_4, (outs), (ins addrmode6:$Rn, VecListDPair:$Vd),
IIC_VST1x2, "vst1", Dt, "$Vd, $Rn", "", []> {
let Rm = 0b1111;
let Inst{5-4} = Rn{5-4};
- let DecoderMethod = "DecodeVSTInstruction";
+ let DecoderMethod = "DecodeVST1Instruction";
}
def VST1d8 : VST1D<{0,0,0,?}, "8">;
"$Rn.addr = $wb", []> {
let Rm = 0b1101; // NLdSt will assign to the right encoding bits.
let Inst{4} = Rn{4};
- let DecoderMethod = "DecodeVSTInstruction";
+ let DecoderMethod = "DecodeVST1Instruction";
let AsmMatchConverter = "cvtVSTwbFixed";
}
def _register : NLdSt<0,0b00,0b0111,op7_4, (outs GPR:$wb),
"vst1", Dt, "$Vd, $Rn, $Rm",
"$Rn.addr = $wb", []> {
let Inst{4} = Rn{4};
- let DecoderMethod = "DecodeVSTInstruction";
+ let DecoderMethod = "DecodeVST1Instruction";
let AsmMatchConverter = "cvtVSTwbRegister";
}
}
"$Rn.addr = $wb", []> {
let Rm = 0b1101; // NLdSt will assign to the right encoding bits.
let Inst{5-4} = Rn{5-4};
- let DecoderMethod = "DecodeVSTInstruction";
+ let DecoderMethod = "DecodeVST1Instruction";
let AsmMatchConverter = "cvtVSTwbFixed";
}
def _register : NLdSt<0,0b00,0b1010,op7_4, (outs GPR:$wb),
"vst1", Dt, "$Vd, $Rn, $Rm",
"$Rn.addr = $wb", []> {
let Inst{5-4} = Rn{5-4};
- let DecoderMethod = "DecodeVSTInstruction";
+ let DecoderMethod = "DecodeVST1Instruction";
let AsmMatchConverter = "cvtVSTwbRegister";
}
}
IIC_VST1x3, "vst1", Dt, "$Vd, $Rn", "", []> {
let Rm = 0b1111;
let Inst{4} = Rn{4};
- let DecoderMethod = "DecodeVSTInstruction";
+ let DecoderMethod = "DecodeVST1Instruction";
}
multiclass VST1D3WB<bits<4> op7_4, string Dt> {
def _fixed : NLdSt<0,0b00,0b0110,op7_4, (outs GPR:$wb),
"$Rn.addr = $wb", []> {
let Rm = 0b1101; // NLdSt will assign to the right encoding bits.
let Inst{5-4} = Rn{5-4};
- let DecoderMethod = "DecodeVSTInstruction";
+ let DecoderMethod = "DecodeVST1Instruction";
let AsmMatchConverter = "cvtVSTwbFixed";
}
def _register : NLdSt<0,0b00,0b0110,op7_4, (outs GPR:$wb),
"vst1", Dt, "$Vd, $Rn, $Rm",
"$Rn.addr = $wb", []> {
let Inst{5-4} = Rn{5-4};
- let DecoderMethod = "DecodeVSTInstruction";
+ let DecoderMethod = "DecodeVST1Instruction";
let AsmMatchConverter = "cvtVSTwbRegister";
}
}
[]> {
let Rm = 0b1111;
let Inst{5-4} = Rn{5-4};
- let DecoderMethod = "DecodeVSTInstruction";
+ let DecoderMethod = "DecodeVST1Instruction";
}
multiclass VST1D4WB<bits<4> op7_4, string Dt> {
def _fixed : NLdSt<0,0b00,0b0010,op7_4, (outs GPR:$wb),
"$Rn.addr = $wb", []> {
let Rm = 0b1101; // NLdSt will assign to the right encoding bits.
let Inst{5-4} = Rn{5-4};
- let DecoderMethod = "DecodeVSTInstruction";
+ let DecoderMethod = "DecodeVST1Instruction";
let AsmMatchConverter = "cvtVSTwbFixed";
}
def _register : NLdSt<0,0b00,0b0010,op7_4, (outs GPR:$wb),
"vst1", Dt, "$Vd, $Rn, $Rm",
"$Rn.addr = $wb", []> {
let Inst{5-4} = Rn{5-4};
- let DecoderMethod = "DecodeVSTInstruction";
+ let DecoderMethod = "DecodeVST1Instruction";
let AsmMatchConverter = "cvtVSTwbRegister";
}
}
itin, "vst2", Dt, "$Vd, $Rn", "", []> {
let Rm = 0b1111;
let Inst{5-4} = Rn{5-4};
- let DecoderMethod = "DecodeVSTInstruction";
+ let DecoderMethod = "DecodeVST2Instruction";
}
def VST2d8 : VST2<0b1000, {0,0,?,?}, "8", VecListDPair, IIC_VST2>;
"$Rn.addr = $wb", []> {
let Rm = 0b1101; // NLdSt will assign to the right encoding bits.
let Inst{5-4} = Rn{5-4};
- let DecoderMethod = "DecodeVSTInstruction";
+ let DecoderMethod = "DecodeVST2Instruction";
let AsmMatchConverter = "cvtVSTwbFixed";
}
def _register : NLdSt<0, 0b00, op11_8, op7_4, (outs GPR:$wb),
"vst2", Dt, "$Vd, $Rn, $Rm",
"$Rn.addr = $wb", []> {
let Inst{5-4} = Rn{5-4};
- let DecoderMethod = "DecodeVSTInstruction";
+ let DecoderMethod = "DecodeVST2Instruction";
let AsmMatchConverter = "cvtVSTwbRegister";
}
}
"$Rn.addr = $wb", []> {
let Rm = 0b1101; // NLdSt will assign to the right encoding bits.
let Inst{5-4} = Rn{5-4};
- let DecoderMethod = "DecodeVSTInstruction";
+ let DecoderMethod = "DecodeVST2Instruction";
let AsmMatchConverter = "cvtVSTwbFixed";
}
def _register : NLdSt<0, 0b00, 0b0011, op7_4, (outs GPR:$wb),
"vst2", Dt, "$Vd, $Rn, $Rm",
"$Rn.addr = $wb", []> {
let Inst{5-4} = Rn{5-4};
- let DecoderMethod = "DecodeVSTInstruction";
+ let DecoderMethod = "DecodeVST2Instruction";
let AsmMatchConverter = "cvtVSTwbRegister";
}
}
"vst3", Dt, "\\{$Vd, $src2, $src3\\}, $Rn", "", []> {
let Rm = 0b1111;
let Inst{4} = Rn{4};
- let DecoderMethod = "DecodeVSTInstruction";
+ let DecoderMethod = "DecodeVST3Instruction";
}
def VST3d8 : VST3D<0b0100, {0,0,0,?}, "8">;
"vst3", Dt, "\\{$Vd, $src2, $src3\\}, $Rn$Rm",
"$Rn.addr = $wb", []> {
let Inst{4} = Rn{4};
- let DecoderMethod = "DecodeVSTInstruction";
+ let DecoderMethod = "DecodeVST3Instruction";
}
def VST3d8_UPD : VST3DWB<0b0100, {0,0,0,?}, "8">;
"", []> {
let Rm = 0b1111;
let Inst{5-4} = Rn{5-4};
- let DecoderMethod = "DecodeVSTInstruction";
+ let DecoderMethod = "DecodeVST4Instruction";
}
def VST4d8 : VST4D<0b0000, {0,0,?,?}, "8">;
"vst4", Dt, "\\{$Vd, $src2, $src3, $src4\\}, $Rn$Rm",
"$Rn.addr = $wb", []> {
let Inst{5-4} = Rn{5-4};
- let DecoderMethod = "DecodeVSTInstruction";
+ let DecoderMethod = "DecodeVST4Instruction";
}
def VST4d8_UPD : VST4DWB<0b0000, {0,0,?,?}, "8">;
uint64_t Address, const void *Decoder);
static DecodeStatus DecodeVLDInstruction(MCInst &Inst, unsigned Val,
uint64_t Address, const void *Decoder);
+static DecodeStatus DecodeVST1Instruction(MCInst &Inst, unsigned Val,
+ uint64_t Address, const void *Decoder);
+static DecodeStatus DecodeVST2Instruction(MCInst &Inst, unsigned Val,
+ uint64_t Address, const void *Decoder);
+static DecodeStatus DecodeVST3Instruction(MCInst &Inst, unsigned Val,
+ uint64_t Address, const void *Decoder);
+static DecodeStatus DecodeVST4Instruction(MCInst &Inst, unsigned Val,
+ uint64_t Address, const void *Decoder);
static DecodeStatus DecodeVSTInstruction(MCInst &Inst, unsigned Val,
uint64_t Address, const void *Decoder);
static DecodeStatus DecodeVLD1DupInstruction(MCInst &Inst, unsigned Val,
return S;
}
+static DecodeStatus DecodeVST1Instruction(MCInst& Inst, unsigned Insn,
+ uint64_t Addr, const void* Decoder) {
+ unsigned type = fieldFromInstruction(Insn, 8, 4);
+ unsigned align = fieldFromInstruction(Insn, 4, 2);
+ if(type == 7 && (align & 2)) return MCDisassembler::Fail;
+ if(type == 10 && align == 3) return MCDisassembler::Fail;
+ if(type == 6 && (align & 2)) return MCDisassembler::Fail;
+
+ return DecodeVSTInstruction(Inst, Insn, Addr, Decoder);
+}
+
+static DecodeStatus DecodeVST2Instruction(MCInst& Inst, unsigned Insn,
+ uint64_t Addr, const void* Decoder) {
+ unsigned size = fieldFromInstruction(Insn, 6, 2);
+ if(size == 3) return MCDisassembler::Fail;
+
+ unsigned type = fieldFromInstruction(Insn, 8, 4);
+ unsigned align = fieldFromInstruction(Insn, 4, 2);
+ if(type == 8 && align == 3) return MCDisassembler::Fail;
+ if(type == 9 && align == 3) return MCDisassembler::Fail;
+
+ return DecodeVSTInstruction(Inst, Insn, Addr, Decoder);
+}
+
+static DecodeStatus DecodeVST3Instruction(MCInst& Inst, unsigned Insn,
+ uint64_t Addr, const void* Decoder) {
+ unsigned size = fieldFromInstruction(Insn, 6, 2);
+ if(size == 3) return MCDisassembler::Fail;
+
+ unsigned align = fieldFromInstruction(Insn, 4, 2);
+ if(align & 2) return MCDisassembler::Fail;
+
+ return DecodeVSTInstruction(Inst, Insn, Addr, Decoder);
+}
+
+static DecodeStatus DecodeVST4Instruction(MCInst& Inst, unsigned Insn,
+ uint64_t Addr, const void* Decoder) {
+ unsigned size = fieldFromInstruction(Insn, 6, 2);
+ if(size == 3) return MCDisassembler::Fail;
+
+ return DecodeVSTInstruction(Inst, Insn, Addr, Decoder);
+}
+
static DecodeStatus DecodeVSTInstruction(MCInst &Inst, unsigned Insn,
uint64_t Address, const void *Decoder) {
DecodeStatus S = MCDisassembler::Success;
--- /dev/null
+# VST1 multi-element, type == 0b0111, align == 0b10 -> undefined
+# RUN: echo "0xaf 0xb7 0x07 0xf4" | llvm-mc -triple=armv7 -show-encoding -disassemble 2>&1 | FileCheck %s
+
+# VST1 multi-element, type == 0b0111, align == 0b11 -> undefined
+# RUN: echo "0xbf 0xb7 0x07 0xf4" | llvm-mc -triple=armv7 -show-encoding -disassemble 2>&1 | FileCheck %s
+
+# VST1 multi-element, type == 0b1010, align == 0b11 -> undefined
+# RUN: echo "0xbf 0x8a 0x03 0xf4" | llvm-mc -triple=armv7 -show-encoding -disassemble 2>&1 | FileCheck %s
+
+# VST1 multi-element, type == 0b0110, align == 0b10 -> undefined
+# RUN: echo "0xaf 0xb6 0x07 0xf4" | llvm-mc -triple=armv7 -show-encoding -disassemble 2>&1 | FileCheck %s
+
+# VST1 multi-element, type == 0b0110, align == 0b11 -> undefined
+# RUN: echo "0xbf 0xb6 0x07 0xf4" | llvm-mc -triple=armv7 -show-encoding -disassemble 2>&1 | FileCheck %s
+
+# VST2 multi-element, type == 0b0100, align == 0b11 -> undefined
+# RUN: echo "0x4f 0xa8 0x07 0xf7" | llvm-mc -triple=armv7 -show-encoding -disassemble 2>&1 | FileCheck %s
+
+# VST2 multi-element, type == 0b0100, align == 0b11 -> undefined
+# RUN: echo "0x4f 0xa9 0x07 0xf7" | llvm-mc -triple=armv7 -show-encoding -disassemble 2>&1 | FileCheck %s
+
+# VST3 multi-element, size = 0b11 -> undefined
+# RUN: echo "0xbf 0xa4 0x0b 0xf4" | llvm-mc -triple=armv7 -show-encoding -disassemble 2>&1 | FileCheck %s
+
+# VST3 multi-element, align = 0b10 -> undefined
+# RUN: echo "0x6f 0xa4 0x0b 0xf4" | llvm-mc -triple=armv7 -show-encoding -disassemble 2>&1 | FileCheck %s
+
+# VST3 multi-element, align = 0b11 -> undefined
+# RUN: echo "0x7f 0xa4 0x0b 0xf4" | llvm-mc -triple=armv7 -show-encoding -disassemble 2>&1 | FileCheck %s
+
+# VST4 multi-element, size = 0b11 -> undefined
+# RUN: echo "0xcf 0x50 0x03 0xf4" | llvm-mc -triple=armv7 -show-encoding -disassemble 2>&1 | FileCheck %s
+
+# CHECK: invalid instruction encoding
+