| %def unopWide(instr="sub x0, xzr, x0"): | |
| /* | |
| * Generic 64-bit unary operation. Provide an "instr" line that | |
| * specifies an instruction that performs "result = op x0". | |
| * | |
| * For: neg-long, not-long | |
| */ | |
| /* unop vA, vB */ | |
| lsr w3, wINST, #12 // w3<- B | |
| ubfx w4, wINST, #8, #4 // w4<- A | |
| GET_VREG_WIDE x0, w3 | |
| FETCH_ADVANCE_INST 1 // advance rPC, load wINST | |
| $instr | |
| GET_INST_OPCODE ip // extract opcode from wINST | |
| SET_VREG_WIDE x0, w4 | |
| GOTO_OPCODE ip // jump to next instruction | |
| /* 10-11 instructions */ |