/* Copyright (C) 2008 The Android Open Source Project | |
* | |
* Licensed under the Apache License, Version 2.0 (the "License"); | |
* you may not use this file except in compliance with the License. | |
* You may obtain a copy of the License at | |
* | |
* http://www.apache.org/licenses/LICENSE-2.0 | |
* | |
* Unless required by applicable law or agreed to in writing, software | |
* distributed under the License is distributed on an "AS IS" BASIS, | |
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
* See the License for the specific language governing permissions and | |
* limitations under the License. | |
*/ | |
/* | |
* File: OP_AGET_WIDE.S | |
* | |
* Code: 64-bit array get operation. | |
* | |
* For: aget-wide | |
* | |
* Description: Perform an array get operation at the identified index | |
* of a given array; load the array value into the destination | |
* register. vAA <- vBB[vCC]. | |
* | |
* Format: AA|op CC|BB (23x) | |
* | |
* Syntax: op vAA, vBB, vCC | |
*/ | |
FETCH_BB 1, %ecx # %ecx<- BB | |
FETCH_CC 1, %edx # %edx<- CC | |
GET_VREG %ecx # %ecx<- vBB | |
GET_VREG %edx # %edx<- vCC | |
cmp $$0, %ecx # check for null array object | |
je common_errNullObject # handle null array object | |
cmp offArrayObject_length(%ecx), %edx # compare index to arrayObj->length | |
jnc common_errArrayIndex # handle index >= length, bail | |
FFETCH_ADV 2, %eax # %eax<- next instruction hi; fetch, advance | |
movq offArrayObject_contents(%ecx, %edx, 8), %xmm0 # %xmm0<- vBB[vCC] | |
movq %xmm0, (rFP, rINST, 4) # vAA<- %xmm0; value | |
FGETOP_JMP 2, %eax # jump to next instruction; getop, jmp |