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[gb-231r1-is01/Gingerbread_2.3.3_r1_IS01.git] / dalvik / vm / mterp / armv5te / OP_APUT_WIDE.S
1 %verify "executed"
2     /*
3      * Array put, 64 bits.  vBB[vCC] <- vAA.
4      *
5      * Arrays of long/double are 64-bit aligned, so it's okay to use STRD.
6      */
7     /* aput-wide vAA, vBB, vCC */
8     FETCH(r0, 1)                        @ r0<- CCBB
9     mov     r9, rINST, lsr #8           @ r9<- AA
10     and     r2, r0, #255                @ r2<- BB
11     mov     r3, r0, lsr #8              @ r3<- CC
12     GET_VREG(r0, r2)                    @ r0<- vBB (array object)
13     GET_VREG(r1, r3)                    @ r1<- vCC (requested index)
14     cmp     r0, #0                      @ null array object?
15     beq     common_errNullObject        @ yes, bail
16     ldr     r3, [r0, #offArrayObject_length]    @ r3<- arrayObj->length
17     add     r0, r0, r1, lsl #3          @ r0<- arrayObj + index*width
18     cmp     r1, r3                      @ compare unsigned index, length
19     add     r9, rFP, r9, lsl #2         @ r9<- &fp[AA]
20     bcc     .L${opcode}_finish          @ okay, continue below
21     b       common_errArrayIndex        @ index >= length, bail
22     @ May want to swap the order of these two branches depending on how the
23     @ branch prediction (if any) handles conditional forward branches vs.
24     @ unconditional forward branches.
25 %break
26
27 .L${opcode}_finish:
28     FETCH_ADVANCE_INST(2)               @ advance rPC, load rINST
29     ldmia   r9, {r2-r3}                 @ r2/r3<- vAA/vAA+1
30     GET_INST_OPCODE(ip)                 @ extract opcode from rINST
31     strd    r2, [r0, #offArrayObject_contents]  @ r2/r3<- vBB[vCC]
32     GOTO_OPCODE(ip)                     @ jump to next instruction