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      1    /* Copyright (C) 2008 The Android Open Source Project
      2     *
      3     * Licensed under the Apache License, Version 2.0 (the "License");
      4     * you may not use this file except in compliance with the License.
      5     * You may obtain a copy of the License at
      6     *
      7     * http://www.apache.org/licenses/LICENSE-2.0
      8     *
      9     * Unless required by applicable law or agreed to in writing, software
     10     * distributed under the License is distributed on an "AS IS" BASIS,
     11     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     12     * See the License for the specific language governing permissions and
     13     * limitations under the License.
     14     */
     15 
     16    /*
     17     * File: OP_IPUT_WIDE_QUICK.S
     18     *
     19     * Code: Optimization for iput
     20     *
     21     * For: iput/wide-quick
     22     *
     23     * Format: B|A|op CCCC (22c)
     24     *
     25     * Syntax: op vA, vB, offset@CCCC
     26     */
     27 
     28     movl        rINST, %edx             # %edx<- BA
     29     shr         $$4, %edx               # %edx<- B
     30     andl        $$15, rINST             # rINST<- A
     31     GET_VREG    %edx                    # %edx<- vB; object to operate on
     32     cmp         $$0, %edx               # check if object is null
     33     FETCH       1, %ecx                 # %ecx<- CCCC; field byte offset
     34     je          common_errNullObject    # handle null object
     35     FFETCH_ADV  2, %eax                 # %eax<- next instruction hi; fetch, advance
     36     movq        (rFP, rINST, 4), %xmm0  # %xmm0<- fp[A]
     37     movq        %xmm0, (%edx, %ecx)     # object field<- %xmm0; fp[A]
     38     FGETOP_JMP  2, %eax                 # jump to next instruction; getop, jmp
     39 
     40