class T_S2op_1_di <string mnemonic, bits<2> MajOp, bits<3> MinOp>
: T_S2op_1 <mnemonic, 0b0100, DoubleRegs, IntRegs, MajOp, MinOp, 0>;
+let hasNewValue = 1 in
+class T_S2op_1_id <string mnemonic, bits<2> MajOp, bits<3> MinOp, bit isSat = 0>
+ : T_S2op_1 <mnemonic, 0b1000, IntRegs, DoubleRegs, MajOp, MinOp, isSat>;
+
+let hasNewValue = 1 in
+class T_S2op_1_ii <string mnemonic, bits<2> MajOp, bits<3> MinOp, bit isSat = 0>
+ : T_S2op_1 <mnemonic, 0b1100, IntRegs, IntRegs, MajOp, MinOp, isSat>;
+
// Sign extend word to doubleword
let isCodeGenOnly = 0 in
def A2_sxtw : T_S2op_1_di <"sxtw", 0b01, 0b000>;
// STYPE/ALU -
//===----------------------------------------------------------------------===//
+
+// Swizzle the bytes of a word
+let isCodeGenOnly = 0 in
+def A2_swiz : T_S2op_1_ii <"swiz", 0b10, 0b111>;
+
+// Saturate
+let Defs = [USR_OVF], isCodeGenOnly = 0 in {
+ def A2_sat : T_S2op_1_id <"sat", 0b11, 0b000>;
+ def A2_satb : T_S2op_1_ii <"satb", 0b11, 0b111>;
+ def A2_satub : T_S2op_1_ii <"satub", 0b11, 0b110>;
+ def A2_sath : T_S2op_1_ii <"sath", 0b11, 0b100>;
+ def A2_satuh : T_S2op_1_ii <"satuh", 0b11, 0b101>;
+}
+
//===----------------------------------------------------------------------===//
// STYPE/BIT +
//===----------------------------------------------------------------------===//
--- /dev/null
+# RUN: llvm-mc --triple hexagon -disassemble < %s | FileCheck %s
+
+0x11 0xc0 0xd4 0x88
+# CHECK: r17 = sat(r21:20)
+0x91 0xc0 0xd5 0x8c
+# CHECK: r17 = sath(r21)
+0xb1 0xc0 0xd5 0x8c
+# CHECK: r17 = satuh(r21)
+0xd1 0xc0 0xd5 0x8c
+# CHECK: r17 = satub(r21)
+0xf1 0xc0 0xd5 0x8c
+# CHECK: r17 = satb(r21)
+0xf1 0xc0 0x95 0x8c
+# CHECK: r17 = swiz(r21)