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/* 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
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