ref: dc0bdaac8b9d8b9797ebbb8616c359e346981de7 dir: /as/target/x86/rules.dat/
^imm8 AIMM8 ^imm16 AIMM16 ^imm32 AIMM32 ^imm64 AIMM64 ^\(n\) ADIRECT ^sym ASYM ^string ASTR