blob: 47652e6ccdf844f8458a27a1bf1b7fef5428c52e [file] [log] [blame]
/*
* Copyright 2013, 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.
*/
#include <portability.h>
#include <sys/types.h>
/*
* REV and REV16 weren't available on ARM5 or ARM4.
*/
#if !defined __ARM_ARCH_5__ && !defined __ARM_ARCH_5T__ && \
!defined __ARM_ARCH_5TE__ && !defined __ARM_ARCH_5TEJ__ && \
!defined __ARM_ARCH_4T__ && !defined __ARM_ARCH_4__
uint16_t WRAP(__swap16md)(uint16_t x) {
register uint16_t _x = (x);
__asm volatile ("rev16 %0, %0" : "+l" (_x));
return _x;
}
uint32_t WRAP(__swap32md)(uint32_t x) {
register uint32_t _x = (x);
__asm volatile ("rev %0, %0" : "+l" (_x));
return _x;
}
#endif