%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 r3, rINST, lsr #12 @ r3<- B | |
ubfx rINST, rINST, #8, #4 @ rINST<- A | |
GET_VREG r0, r3 @ r0<- vB | |
VREG_INDEX_TO_ADDR r9, rINST @ r9<- &fp[A] | |
$preinstr @ optional op; may set condition codes | |
CLEAR_SHADOW_PAIR rINST, ip, lr @ Zero shadow regs | |
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 | |
/* 9-10 instructions */ |