blob: 413ea1e78169b13140fc21fa717552c6c3444f74 [file] [log] [blame]
/* 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