| %default {"preinstr":""} | |
| /* | |
| * Generic 32-bit unary operation. Provide an "instr" line that | |
| * specifies an instruction that performs "result = op r0". | |
| * This could be an ARM instruction or a function call. | |
| * | |
| * for: neg-int, not-int, neg-float, int-to-float, float-to-int, | |
| * int-to-byte, int-to-char, int-to-short | |
| */ | |
| /* unop vA, vB */ | |
| mov r3, rINST, lsr #12 @ r3<- B | |
| mov r9, rINST, lsr #8 @ r9<- A+ | |
| GET_VREG(r0, r3) @ r0<- vB | |
| and r9, r9, #15 | |
| $preinstr @ optional op; may set condition codes | |
| FETCH_ADVANCE_INST(1) @ advance rPC, load rINST | |
| $instr @ r0<- op, r0-r3 changed | |
| GET_INST_OPCODE(ip) @ extract opcode from rINST | |
| SET_VREG(r0, r9) @ vAA<- r0 | |
| GOTO_OPCODE(ip) @ jump to next instruction | |
| /* 9-10 instructions */ |