A64_ADDSUB_IMM
#define A64_ADD_I(sf, Rd, Rn, imm12) A64_ADDSUB_IMM(sf, Rd, Rn, imm12, ADD)
#define A64_SUB_I(sf, Rd, Rn, imm12) A64_ADDSUB_IMM(sf, Rd, Rn, imm12, SUB)
A64_ADDSUB_IMM(sf, Rd, Rn, imm12, ADD_SETFLAGS)
A64_ADDSUB_IMM(sf, Rd, Rn, imm12, SUB_SETFLAGS)