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: binopS.S 18 * 19 * Code: Generic 32-bit binary operation. Provides an "instr" line to 20 * specify an instruction that performs "%edx = %edx op %cl" 21 * 22 * For: shl-int, shr-int, ushr-int 23 * 24 * Description: Perform a binary operation on two source registers 25 * and store the result in a destination register. 26 * 27 * Format: AA|op CC|BB (23x) 28 * 29 * Syntax: op vAA, vBB, vCC 30 */ 31 32 FETCH_BB 1, %edx # %edx<- BB 33 FETCH_CC 1, %ecx # %ecx<- CC 34 FFETCH_ADV 2, %eax # %eax<- next instruction hi; fetch, advance 35 GET_VREG %edx # %edx<- vBB 36 GET_VREG %ecx # %ecx<- vCC 37 $instr # %edx<- vBB op +CC 38 SET_VREG %edx, rINST # vAA<- %edx; result 39 FGETOP_JMP 2, %eax # jump to next instruction; getop, jmp 40