MONO_EMIT_NEW_UNALU (cfg, OP_ICEQ, reg2, -1);
MONO_EMIT_NEW_BIALU (cfg, OP_IAND, reg1, reg1, reg2);
MONO_EMIT_NEW_ICOMPARE_IMM (cfg, reg1, 1);
MONO_EMIT_NEW_UNALU (cfg, OP_ICEQ, reg2, -1);
MONO_EMIT_NEW_BIALU (cfg, OP_IAND, reg1, reg1, reg2);
MONO_EMIT_NEW_ICOMPARE_IMM (cfg, reg1, 1);