[]>;
}
+// LDRT, LDRBT, LDRHT, LDRSBT, LDRSHT all have offset mode (PUW=0b110) and are
+// for disassembly only.
+// Ref: A8.6.57 LDR (immediate, Thumb) Encoding T4
+class T2IldT<bit signed, bits<2> type, string opc>
+ : T2Ii8<(outs GPR:$dst), (ins t2addrmode_imm8:$addr), IIC_iLoadi, opc,
+ "\t$dst, $addr", []> {
+ let Inst{31-27} = 0b11111;
+ let Inst{26-25} = 0b00;
+ let Inst{24} = signed;
+ let Inst{23} = 0;
+ let Inst{22-21} = type;
+ let Inst{20} = 1; // load
+ let Inst{11} = 1;
+ let Inst{10-8} = 0b110; // PUW.
+}
+
+def t2LDRT : T2IldT<0, 0b10, "ldrt">;
+def t2LDRBT : T2IldT<0, 0b00, "ldrbt">;
+def t2LDRHT : T2IldT<0, 0b01, "ldrht">;
+def t2LDRSBT : T2IldT<1, 0b00, "ldrsbt">;
+def t2LDRSHT : T2IldT<1, 0b01, "ldrsht">;
+
// Store
defm t2STR :T2I_st<0b10,"str", BinOpFrag<(store node:$LHS, node:$RHS)>>;
defm t2STRB:T2I_st<0b00,"strb",BinOpFrag<(truncstorei8 node:$LHS, node:$RHS)>>;
[(set GPR:$base_wb,
(post_truncsti8 GPR:$src, GPR:$base, t2am_imm8_offset:$offset))]>;
+// STRT, STRBT, STRHT all have offset mode (PUW=0b110) and are for disassembly
+// only.
+// Ref: A8.6.193 STR (immediate, Thumb) Encoding T4
+class T2IstT<bits<2> type, string opc>
+ : T2Ii8<(outs GPR:$src), (ins t2addrmode_imm8:$addr), IIC_iStorei, opc,
+ "\t$src, $addr", []> {
+ let Inst{31-27} = 0b11111;
+ let Inst{26-25} = 0b00;
+ let Inst{24} = 0; // not signed
+ let Inst{23} = 0;
+ let Inst{22-21} = type;
+ let Inst{20} = 0; // store
+ let Inst{11} = 1;
+ let Inst{10-8} = 0b110; // PUW
+}
+
+def t2STRT : T2IstT<0b10, "strt">;
+def t2STRBT : T2IstT<0b00, "strbt">;
+def t2STRHT : T2IstT<0b01, "strht">;
// FIXME: ldrd / strd pre / post variants