| %default {"preinstr":""} | |
| /* | |
| * Generic 32bit-to-64bit unary operation. Provide an "instr" line | |
| * that specifies an instruction that performs "result = op r0", where | |
| * "result" is a 64-bit quantity in r0/r1. | |
| * | |
| * For: int-to-long, int-to-double, float-to-long, float-to-double | |
| */ | |
| /* unop vA, vB */ | |
| mov r9, rINST, lsr #8 @ r9<- A+ | |
| mov r3, rINST, lsr #12 @ r3<- B | |
| and r9, r9, #15 | |
| GET_VREG(r0, r3) @ r0<- vB | |
| add r9, rFP, r9, lsl #2 @ r9<- &fp[A] | |
| $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 | |
| stmia r9, {r0-r1} @ vA/vA+1<- r0/r1 | |
| GOTO_OPCODE(ip) @ jump to next instruction | |
| /* 10-11 instructions */ |