MIPS: [turbofan] Improve matching for And(Shr(x, imm), mask).

src/mips64/constants-mips64.h

Index: src/mips64/constants-mips64.h
diff --git a/src/mips64/constants-mips64.h b/src/mips64/constants-mips64.h
index 4ea5d20b80022c4d3f6da5061ca89b1e640d55ba..1d732774508cf993707a500f20e0198ec9d10595 100644
--- a/src/mips64/constants-mips64.h
+++ b/src/mips64/constants-mips64.h
@@ -1197,6 +1197,8 @@ Instruction::Type Instruction::InstructionType(TypeChecks checks) const {
         case INS:
         case EXT:
         case DEXT:
+        case DEXTM:
+        case DEXTU:
           return kRegisterType;
         case BSHFL: {
           int sa = SaFieldRaw() >> kSaShift;