| Johnnie Birch | 22d404a | 2009-04-06 15:26:13 -0700 | [diff] [blame] | 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_DOUBLE.S |
| 18 | * |
| 19 | * Code: Divides doubles. Uses no substitutions. |
| 20 | * |
| 21 | * For: div-double |
| 22 | * |
| 23 | * Description: Divide operation on two source registers, storing |
| 24 | * the result in a destination register |
| 25 | * |
| 26 | * Format: AA|op CC|BB (23x) |
| 27 | * |
| 28 | * Syntax: op vAA, vBB, vCC |
| 29 | */ |
| 30 | |
| 31 | FETCH_BB 1, %ecx # %ecx<- BB |
| 32 | FETCH_CC 1, %edx # %edx<- CC |
| 33 | fldl (rFP, %ecx, 4) # floating point stack vBB |
| 34 | fdivl (rFP, %edx, 4) # divide double; vBB/vCC |
| 35 | fstpl (rFP, rINST, 4) # vAA<- result |
| 36 | FFETCH_ADV 2, %eax # %eax<- next instruction hi; fetch, advance |
| 37 | FGETOP_JMP 2, %eax # jump to next instruction; getop, jmp |