Home | History | Annotate | Download | only in x86-atom
      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_DIV_FLOAT_2ADDR.S
     18     *
     19     * Code: Divides floats. Uses no substitutions.
     20     *
     21     * For: div-float/2addr
     22     *
     23     * Description: Divide operation on two source registers, storing
     24     *              the result in the first source reigster
     25     *
     26     * Format: B|A|op (12x)
     27     *
     28     * Syntax: op vA, vB
     29     */
     30 
     31     movl        rINST, %ecx             # %ecx<- BA
     32     andl        $$15, %ecx              # %ecx<- A
     33     shr         $$4, rINST              # rINST<- B
     34     flds        (rFP, %ecx, 4)          # %xmm0<- vA
     35     fdivs       (rFP, rINST, 4)         # divide double; vA/vB
     36     fstps       (rFP, %ecx, 4)          # vAA<- result
     37     FINISH      1                       # jump to next instruction
     38