122d404a75a00cda0b0ebed1034c2808ba060b05fJohnnie Birch   /* Copyright (C) 2008 The Android Open Source Project
222d404a75a00cda0b0ebed1034c2808ba060b05fJohnnie Birch    *
322d404a75a00cda0b0ebed1034c2808ba060b05fJohnnie Birch    * Licensed under the Apache License, Version 2.0 (the "License");
422d404a75a00cda0b0ebed1034c2808ba060b05fJohnnie Birch    * you may not use this file except in compliance with the License.
522d404a75a00cda0b0ebed1034c2808ba060b05fJohnnie Birch    * You may obtain a copy of the License at
622d404a75a00cda0b0ebed1034c2808ba060b05fJohnnie Birch    *
722d404a75a00cda0b0ebed1034c2808ba060b05fJohnnie Birch    * http://www.apache.org/licenses/LICENSE-2.0
822d404a75a00cda0b0ebed1034c2808ba060b05fJohnnie Birch    *
922d404a75a00cda0b0ebed1034c2808ba060b05fJohnnie Birch    * Unless required by applicable law or agreed to in writing, software
1022d404a75a00cda0b0ebed1034c2808ba060b05fJohnnie Birch    * distributed under the License is distributed on an "AS IS" BASIS,
1122d404a75a00cda0b0ebed1034c2808ba060b05fJohnnie Birch    * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
1222d404a75a00cda0b0ebed1034c2808ba060b05fJohnnie Birch    * See the License for the specific language governing permissions and
1322d404a75a00cda0b0ebed1034c2808ba060b05fJohnnie Birch    * limitations under the License.
1422d404a75a00cda0b0ebed1034c2808ba060b05fJohnnie Birch    */
1522d404a75a00cda0b0ebed1034c2808ba060b05fJohnnie Birch
1622d404a75a00cda0b0ebed1034c2808ba060b05fJohnnie Birch   /*
1722d404a75a00cda0b0ebed1034c2808ba060b05fJohnnie Birch    * File: OP_AGET_WIDE.S
1822d404a75a00cda0b0ebed1034c2808ba060b05fJohnnie Birch    *
1922d404a75a00cda0b0ebed1034c2808ba060b05fJohnnie Birch    * Code: 64-bit array get operation.
2022d404a75a00cda0b0ebed1034c2808ba060b05fJohnnie Birch    *
2122d404a75a00cda0b0ebed1034c2808ba060b05fJohnnie Birch    * For: aget-wide
2222d404a75a00cda0b0ebed1034c2808ba060b05fJohnnie Birch    *
2322d404a75a00cda0b0ebed1034c2808ba060b05fJohnnie Birch    * Description: Perform an array get operation at the identified index
2422d404a75a00cda0b0ebed1034c2808ba060b05fJohnnie Birch    *              of a given array; load the array value into the destination
2522d404a75a00cda0b0ebed1034c2808ba060b05fJohnnie Birch    *              register. vAA <- vBB[vCC].
2622d404a75a00cda0b0ebed1034c2808ba060b05fJohnnie Birch    *
2722d404a75a00cda0b0ebed1034c2808ba060b05fJohnnie Birch    * Format: AA|op CC|BB (23x)
2822d404a75a00cda0b0ebed1034c2808ba060b05fJohnnie Birch    *
2922d404a75a00cda0b0ebed1034c2808ba060b05fJohnnie Birch    * Syntax: op vAA, vBB, vCC
3022d404a75a00cda0b0ebed1034c2808ba060b05fJohnnie Birch    */
3122d404a75a00cda0b0ebed1034c2808ba060b05fJohnnie Birch
3222d404a75a00cda0b0ebed1034c2808ba060b05fJohnnie Birch    FETCH_BB    1, %ecx                 # %ecx<- BB
3322d404a75a00cda0b0ebed1034c2808ba060b05fJohnnie Birch    FETCH_CC    1, %edx                 # %edx<- CC
3422d404a75a00cda0b0ebed1034c2808ba060b05fJohnnie Birch    GET_VREG    %ecx                    # %ecx<- vBB
3522d404a75a00cda0b0ebed1034c2808ba060b05fJohnnie Birch    GET_VREG    %edx                    # %edx<- vCC
3622d404a75a00cda0b0ebed1034c2808ba060b05fJohnnie Birch    cmp         $$0, %ecx               # check for null array object
3722d404a75a00cda0b0ebed1034c2808ba060b05fJohnnie Birch    je          common_errNullObject    # handle null array object
3822d404a75a00cda0b0ebed1034c2808ba060b05fJohnnie Birch    cmp         offArrayObject_length(%ecx), %edx # compare index to arrayObj->length
3922d404a75a00cda0b0ebed1034c2808ba060b05fJohnnie Birch    jnc         common_errArrayIndex    # handle index >= length, bail
4022d404a75a00cda0b0ebed1034c2808ba060b05fJohnnie Birch    FFETCH_ADV  2, %eax                 # %eax<- next instruction hi; fetch, advance
4122d404a75a00cda0b0ebed1034c2808ba060b05fJohnnie Birch    movq        offArrayObject_contents(%ecx, %edx, 8), %xmm0 # %xmm0<- vBB[vCC]
4222d404a75a00cda0b0ebed1034c2808ba060b05fJohnnie Birch    movq        %xmm0, (rFP, rINST, 4)  # vAA<- %xmm0; value
43f8f23d402dc1eef107995b29ad4d91ee5b4e1c34Johnnie Birch    FGETOP_JMP  2, %eax                 # jump to next instruction; getop, jmp
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