/* 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_RSUB_INT_LIT8.S * * Code: 32-bit reverse-subtraction. Uses no substitutions. * * For: rsub-int/lit8 * * Description: Perform a reverse subtraction on a register and a * signed extended 8-bit literal value. * * Format: AA|op CC|BB (22b) * * Syntax: op vAA, vBB, #+CC */ FETCH_BB 1, %ecx # %ecx<- BB FETCH_CCs 1, %edx # %edx<- +CC, sign-extended literal GET_VREG %ecx # %ecx<- vBB sub %ecx, %edx # %edx<- +CC sub vBB SET_VREG %edx, rINST # vAA<- %edx; result FINISH 2 # jump to next instruction