/* 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 |