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_MUL_INT.S 18 * 19 * Code: 32-bit multiply operation. Performs "%ecx = %ecx * %edx" 20 * 21 * Description: Perform a multiplication operation on two source registers 22 * and store the result in a destination register. 23 * 24 * Format: AA|op CC|BB (23x) 25 * 26 * Syntax: op vAA, vBB, vCC 27 */ 28 29 FETCH_BB 1, %ecx # %ecx<- BB 30 FETCH_CC 1, %edx # %edx<- CC 31 FFETCH_ADV 2, %eax # %eax<- next instruction hi; fetch, advance 32 GET_VREG %ecx # %ecx<- vBB 33 addl $$4, rPC # update PC 34 imul (rFP, %edx, 4), %ecx # %ecx<- vBB * vCC 35 SET_VREG %ecx, rINST # vAA<- %ecx; result 36 FGETOP_JMP2 %eax # jump to next instruction; getop, jmp 37