MIPSI_SLLV       2017 lj_asm_mips.h  #define asm_bshl(as, ir)	asm_bitshift(as, ir, MIPSI_SLLV, MIPSI_SLL)
MIPSI_SLLV       2037 lj_asm_mips.h        emit_dst(as, MIPSI_SLLV, RID_TMP, RID_TMP, left);