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MIPS: Simplify __bswapdi2() and __bswapsi2()
Use macro definitions ___constant_swab64 and ___constant_swab32 to simplify __bswapdi2() and __bswapsi2(). Signed-off-by: Tiezhu Yang <yangtiezhu@loongson.cn> Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
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Original file line number | Diff line number | Diff line change |
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@@ -1,19 +1,13 @@ | ||
// SPDX-License-Identifier: GPL-2.0 | ||
#include <linux/export.h> | ||
#include <linux/compiler.h> | ||
#include <uapi/linux/swab.h> | ||
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/* To silence -Wmissing-prototypes. */ | ||
unsigned long long __bswapdi2(unsigned long long u); | ||
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unsigned long long notrace __bswapdi2(unsigned long long u) | ||
{ | ||
return (((u) & 0xff00000000000000ull) >> 56) | | ||
(((u) & 0x00ff000000000000ull) >> 40) | | ||
(((u) & 0x0000ff0000000000ull) >> 24) | | ||
(((u) & 0x000000ff00000000ull) >> 8) | | ||
(((u) & 0x00000000ff000000ull) << 8) | | ||
(((u) & 0x0000000000ff0000ull) << 24) | | ||
(((u) & 0x000000000000ff00ull) << 40) | | ||
(((u) & 0x00000000000000ffull) << 56); | ||
return ___constant_swab64(u); | ||
} | ||
EXPORT_SYMBOL(__bswapdi2); |
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@@ -1,15 +1,13 @@ | ||
// SPDX-License-Identifier: GPL-2.0 | ||
#include <linux/export.h> | ||
#include <linux/compiler.h> | ||
#include <uapi/linux/swab.h> | ||
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/* To silence -Wmissing-prototypes. */ | ||
unsigned int __bswapsi2(unsigned int u); | ||
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unsigned int notrace __bswapsi2(unsigned int u) | ||
{ | ||
return (((u) & 0xff000000) >> 24) | | ||
(((u) & 0x00ff0000) >> 8) | | ||
(((u) & 0x0000ff00) << 8) | | ||
(((u) & 0x000000ff) << 24); | ||
return ___constant_swab32(u); | ||
} | ||
EXPORT_SYMBOL(__bswapsi2); |