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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_REM_DOUBLE_2ADDR.S
     18     *
     19     * Code: Computes the remainder of a division. Performs no substitutions.
     20     *
     21     * For: rem-double/2addr
     22     *
     23     * Description: Calls fmod to compute the remainder of the result of dividing a
     24     *              source register by a second, and stores the result in the first
     25     *              source register.
     26     *
     27     * Format: B|A|op (12x)
     28     *
     29     * Syntax: op vA, vB
     30     */
     31 
     32     movl        rINST, %edx             # %edx<- BA
     33     and         $$15, rINST             # rINST<- A
     34     shr         $$4, %edx               # %edx<- B
     35     movl        (rFP, rINST, 4), %eax   # %eax<- vAlo
     36     movl        %eax, -20(%esp)         # push parameter vAAlo
     37     movl        4(rFP, rINST, 4), %eax  # %eax<- vAhi
     38     movl        %eax, -16(%esp)         # push parameter vAAhi
     39     movl        (rFP, %edx, 4), %eax    # %eax<- vBlo
     40     movl        %eax, -12(%esp)         # push parameter vBBlo
     41     movl        4(rFP, %edx, 4), %eax   # %eax<- vBhi
     42     movl        %eax, -8(%esp)          # push parameter vBBhi
     43     lea         -20(%esp), %esp
     44     jmp         .L${opcode}_break
     45 %break
     46 
     47 .L${opcode}_break:
     48     call        fmod                    # call: (long double x, long double y)
     49                                         # return: double
     50     lea         20(%esp), %esp
     51     fstpl       (rFP, rINST, 4)         # vAA<- remainder; return of fmod
     52     FINISH      1                       # jump to next instruction
     53