%default {"preinstr":"", "result0":"a0", "result1":"a1"} | |
/* | |
* Generic 32bit-to-64bit unary operation. Provide an "instr" line | |
* that specifies an instruction that performs "result = op a0", where | |
* "result" is a 64-bit quantity in a0/a1. | |
* | |
* For: int-to-long, int-to-double, float-to-long, float-to-double | |
*/ | |
/* unop vA, vB */ | |
GET_OPA4(t1) # t1 <- A+ | |
GET_OPB(a3) # a3 <- B | |
GET_VREG(a0, a3) # a0 <- vB | |
EAS2(rOBJ, rFP, t1) # rOBJ <- &fp[A] | |
FETCH_ADVANCE_INST(1) # advance rPC, load rINST | |
$preinstr # optional op | |
$instr # result <- op, a0-a3 changed | |
GET_INST_OPCODE(t0) # extract opcode from rINST | |
STORE64($result0, $result1, rOBJ) # vA/vA+1 <- a0/a1 | |
GOTO_OPCODE(t0) # jump to next instruction | |
/* 10-11 instructions */ |