SXTB             1014 ext/pcre/pcrelib/sljit/sljitNativeARM_32.c 			return push_inst(compiler, (op == SLJIT_MOV_UB ? UXTB : SXTB) | RD(dst) | RM(src2));
SXTB              701 ext/pcre/pcrelib/sljit/sljitNativeARM_T2_32.c 			return push_inst16(compiler, SXTB | RD3(dst) | RN3(arg2));