blob: 741aadd5eb3308cb374b10f31a760aef3bad5833 [file] [log] [blame]
%default { "store":"str", "shift":"2" }
%verify "executed"
/*
* Array put, 32 bits or less. vBB[vCC] <- vAA.
*
* Note: using the usual FETCH/and/shift stuff, this fits in exactly 17
* instructions. We use a pair of FETCH_Bs instead.
*
* for: aput, aput-boolean, aput-byte, aput-char, aput-short
*/
/* op vAA, vBB, vCC */
FETCH_B(r2, 1, 0) @ r2<- BB
mov r9, rINST, lsr #8 @ r9<- AA
FETCH_B(r3, 1, 1) @ r3<- CC
GET_VREG(r0, r2) @ r0<- vBB (array object)
GET_VREG(r1, r3) @ r1<- vCC (requested index)
cmp r0, #0 @ null array object?
beq common_errNullObject @ yes, bail
ldr r3, [r0, #offArrayObject_length] @ r3<- arrayObj->length
add r0, r0, r1, lsl #$shift @ r0<- arrayObj + index*width
cmp r1, r3 @ compare unsigned index, length
bcs common_errArrayIndex @ index >= length, bail
FETCH_ADVANCE_INST(2) @ advance rPC, load rINST
GET_VREG(r2, r9) @ r2<- vAA
GET_INST_OPCODE(ip) @ extract opcode from rINST
$store r2, [r0, #offArrayObject_contents] @ vBB[vCC]<- r2
GOTO_OPCODE(ip) @ jump to next instruction