/* 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_GOTO_32.S * * Code: Do an unconditional branch. Uses no substitutions. * * For: goto/32 * * Description: Performs an unconditionally jump to the indicated instruction. * The branch uses a 32-bit offset that can be zero. * * Format: ØØ|op AAAAlo AAAAhi (30t) * * Syntax: op +AAAAAAAA */ FETCH 1, %edx # %edx<- AAAAlo FETCH 2, %ecx # %ecx<- AAAAhi shl $$16, %ecx # prepare to create +AAAAAAAA or %ecx, %edx # %edx<- +AAAAAAAA shl $$1, %edx # %edx is doubled to get the byte offset jle common_periodicChecks_backwardBranch # do check on backwards branch FINISH_RB %edx, %ecx # jump to next instruction