%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 */ |