arch/mips/lib/bswapdi.c


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// SPDX-License-Identifier: GPL-2.0
#include <linux/export.h>
#include <linux/compiler.h>

/* To silence -Wmissing-prototypes. */
unsigned long long __bswapdi2(unsigned long long u);

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);
}
EXPORT_SYMBOL(__bswapdi2);