/* 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: binop2addr.S * * Code: Generic 32-bit "/2addr" binary operation. Provides an * "instr" line to specify an instruction that performs * "%ecx = %ecx op %edx". * * For: add-int/2addr, and-int/2addr, mul-int/2addr, or-int/2addr, * sub-int/2addr, xor-int/2addr * * Description: Perform a binary operation on two sources registers * and store the result in the first source register * * Format: B|A|op (12x) * * Syntax: op vA, vB */ movl rINST, %edx # %edx<- BA shr $$4, %edx # %edx<- B #FFETCH_ADV 1, %eax # %eax<- next instruction hi; fetch, advance OLD_JMP_1 1, %eax andl $$15, rINST # rINST<- A OLD_JMP_2 %eax GET_VREG %edx # %edx<- vB OLD_JMP_3 1 $instr # %ecx<- vA op vB #FGETOP_JMP 1, %eax # jump to next instruction; getop, jmp OLD_JMP_4 %eax