39 lines
1.1 KiB
C
39 lines
1.1 KiB
C
/*
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* Copyright 2013, The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <portability.h>
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#include <sys/types.h>
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#include <endian.h>
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#if defined(__mips_isa_rev) && (__mips_isa_rev >= 2)
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uint16_t WRAP(__swap16md)(uint16_t x) {
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register uint16_t _x = x;
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register uint16_t _r;
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__asm volatile ("wsbh %0, %1" : "=r" (_r) : "r" (_x));
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return _r;
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}
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uint32_t WRAP(__swap32md)(uint32_t x) {
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register uint32_t _x = x;
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register uint32_t _r;
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__asm volatile ("wsbh %0, %1; rotr %0, %0, 16" : "=r" (_r) : "r" (_x));
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return _r;
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}
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#endif
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