/* Copyright (C) 2008 The Android Open Source Project * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ /* * File: OP_MUL_INT.S * * Code: 32-bit multiply operation. Performs "%ecx = %ecx * %edx" * * Description: Perform a multiplication operation on two source registers * and store the result in a destination register. * * Format: AA|op CC|BB (23x) * * Syntax: op vAA, vBB, vCC */ FETCH_BB 1, %ecx # %ecx<- BB FETCH_CC 1, %edx # %edx<- CC FFETCH_ADV 2, %eax # %eax<- next instruction hi; fetch, advance GET_VREG %ecx # %ecx<- vBB addl $$4, rPC # update PC imul (rFP, %edx, 4), %ecx # %ecx<- vBB * vCC SET_VREG %ecx, rINST # vAA<- %ecx; result FGETOP_JMP2 %eax # jump to next instruction; getop, jmp