+def SWC2_R6 : SWC2_R6_ENC, SWC2_R6_DESC, ISA_MIPS32R6;
+
+//===----------------------------------------------------------------------===//
+//
+// Instruction Aliases
+//
+//===----------------------------------------------------------------------===//
+
+def : MipsInstAlias<"sdbbp", (SDBBP_R6 0)>, ISA_MIPS32R6;
+def : MipsInstAlias<"jr $rs", (JALR ZERO, GPR32Opnd:$rs), 1>, ISA_MIPS32R6;
+
+//===----------------------------------------------------------------------===//
+//
+// Patterns and Pseudo Instructions
+//
+//===----------------------------------------------------------------------===//
+
+// f32 comparisons supported via another comparison
+def : MipsPat<(setone f32:$lhs, f32:$rhs),
+ (NOR (CMP_UEQ_S f32:$lhs, f32:$rhs), ZERO)>, ISA_MIPS32R6;
+def : MipsPat<(seto f32:$lhs, f32:$rhs),
+ (NOR (CMP_UN_S f32:$lhs, f32:$rhs), ZERO)>, ISA_MIPS32R6;
+def : MipsPat<(setune f32:$lhs, f32:$rhs),
+ (NOR (CMP_EQ_S f32:$lhs, f32:$rhs), ZERO)>, ISA_MIPS32R6;
+def : MipsPat<(seteq f32:$lhs, f32:$rhs), (CMP_EQ_S f32:$lhs, f32:$rhs)>,
+ ISA_MIPS32R6;
+def : MipsPat<(setgt f32:$lhs, f32:$rhs), (CMP_LE_S f32:$rhs, f32:$lhs)>,
+ ISA_MIPS32R6;
+def : MipsPat<(setge f32:$lhs, f32:$rhs), (CMP_LT_S f32:$rhs, f32:$lhs)>,
+ ISA_MIPS32R6;
+def : MipsPat<(setlt f32:$lhs, f32:$rhs), (CMP_LT_S f32:$lhs, f32:$rhs)>,
+ ISA_MIPS32R6;
+def : MipsPat<(setle f32:$lhs, f32:$rhs), (CMP_LE_S f32:$lhs, f32:$rhs)>,
+ ISA_MIPS32R6;
+def : MipsPat<(setne f32:$lhs, f32:$rhs),
+ (NOR (CMP_EQ_S f32:$lhs, f32:$rhs), ZERO)>, ISA_MIPS32R6;
+
+// f64 comparisons supported via another comparison
+def : MipsPat<(setone f64:$lhs, f64:$rhs),
+ (NOR (CMP_UEQ_D f64:$lhs, f64:$rhs), ZERO)>, ISA_MIPS32R6;
+def : MipsPat<(seto f64:$lhs, f64:$rhs),
+ (NOR (CMP_UN_D f64:$lhs, f64:$rhs), ZERO)>, ISA_MIPS32R6;
+def : MipsPat<(setune f64:$lhs, f64:$rhs),
+ (NOR (CMP_EQ_D f64:$lhs, f64:$rhs), ZERO)>, ISA_MIPS32R6;
+def : MipsPat<(seteq f64:$lhs, f64:$rhs), (CMP_EQ_D f64:$lhs, f64:$rhs)>,
+ ISA_MIPS32R6;
+def : MipsPat<(setgt f64:$lhs, f64:$rhs), (CMP_LE_D f64:$rhs, f64:$lhs)>,
+ ISA_MIPS32R6;
+def : MipsPat<(setge f64:$lhs, f64:$rhs), (CMP_LT_D f64:$rhs, f64:$lhs)>,
+ ISA_MIPS32R6;
+def : MipsPat<(setlt f64:$lhs, f64:$rhs), (CMP_LT_D f64:$lhs, f64:$rhs)>,
+ ISA_MIPS32R6;
+def : MipsPat<(setle f64:$lhs, f64:$rhs), (CMP_LE_D f64:$lhs, f64:$rhs)>,
+ ISA_MIPS32R6;
+def : MipsPat<(setne f64:$lhs, f64:$rhs),
+ (NOR (CMP_EQ_D f64:$lhs, f64:$rhs), ZERO)>, ISA_MIPS32R6;
+
+// i32 selects
+def : MipsPat<(select i32:$cond, i32:$t, i32:$f),
+ (OR (SELNEZ i32:$t, i32:$cond), (SELEQZ i32:$f, i32:$cond))>,
+ ISA_MIPS32R6;
+def : MipsPat<(select (i32 (seteq i32:$cond, immz)), i32:$t, i32:$f),
+ (OR (SELEQZ i32:$t, i32:$cond), (SELNEZ i32:$f, i32:$cond))>,
+ ISA_MIPS32R6;
+def : MipsPat<(select (i32 (setne i32:$cond, immz)), i32:$t, i32:$f),
+ (OR (SELNEZ i32:$t, i32:$cond), (SELEQZ i32:$f, i32:$cond))>,
+ ISA_MIPS32R6;
+def : MipsPat<(select (i32 (seteq i32:$cond, immZExt16:$imm)), i32:$t, i32:$f),
+ (OR (SELEQZ i32:$t, (XORi i32:$cond, immZExt16:$imm)),
+ (SELNEZ i32:$f, (XORi i32:$cond, immZExt16:$imm)))>,
+ ISA_MIPS32R6;
+def : MipsPat<(select (i32 (setne i32:$cond, immZExt16:$imm)), i32:$t, i32:$f),
+ (OR (SELNEZ i32:$t, (XORi i32:$cond, immZExt16:$imm)),
+ (SELEQZ i32:$f, (XORi i32:$cond, immZExt16:$imm)))>,
+ ISA_MIPS32R6;
+def : MipsPat<(select (i32 (setgt i32:$cond, immSExt16Plus1:$imm)), i32:$t,
+ i32:$f),
+ (OR (SELEQZ i32:$t, (SLTi i32:$cond, (Plus1 imm:$imm))),
+ (SELNEZ i32:$f, (SLTi i32:$cond, (Plus1 imm:$imm))))>,
+ ISA_MIPS32R6;
+def : MipsPat<(select (i32 (setugt i32:$cond, immSExt16Plus1:$imm)),
+ i32:$t, i32:$f),
+ (OR (SELEQZ i32:$t, (SLTiu i32:$cond, (Plus1 imm:$imm))),
+ (SELNEZ i32:$f, (SLTiu i32:$cond, (Plus1 imm:$imm))))>,
+ ISA_MIPS32R6;
+
+def : MipsPat<(select i32:$cond, i32:$t, immz),
+ (SELNEZ i32:$t, i32:$cond)>, ISA_MIPS32R6;
+def : MipsPat<(select (i32 (setne i32:$cond, immz)), i32:$t, immz),
+ (SELNEZ i32:$t, i32:$cond)>, ISA_MIPS32R6;
+def : MipsPat<(select (i32 (seteq i32:$cond, immz)), i32:$t, immz),
+ (SELEQZ i32:$t, i32:$cond)>, ISA_MIPS32R6;
+def : MipsPat<(select i32:$cond, immz, i32:$f),
+ (SELEQZ i32:$f, i32:$cond)>, ISA_MIPS32R6;
+def : MipsPat<(select (i32 (setne i32:$cond, immz)), immz, i32:$f),
+ (SELEQZ i32:$f, i32:$cond)>, ISA_MIPS32R6;
+def : MipsPat<(select (i32 (seteq i32:$cond, immz)), immz, i32:$f),
+ (SELNEZ i32:$f, i32:$cond)>, ISA_MIPS32R6;