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/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
/*
* Compiler-dependent intrinsics.
*
* Copyright (C) 2002-2003 Hewlett-Packard Co
* David Mosberger-Tang <[email protected]>
*/
#ifndef _UAPI_ASM_IA64_INTRINSICS_H
#define _UAPI_ASM_IA64_INTRINSICS_H
#ifndef __ASSEMBLY__
#include <linux/types.h>
/* include compiler specific intrinsics */
#include <asm/ia64regs.h>
#ifdef __INTEL_COMPILER
# include <asm/intel_intrin.h>
#else
# include <asm/gcc_intrin.h>
#endif
#include <asm/cmpxchg.h>
#define ia64_set_rr0_to_rr4(val0, val1, val2, val3, val4) \
do { \
ia64_set_rr(0x0000000000000000UL, (val0)); \
ia64_set_rr(0x2000000000000000UL, (val1)); \
ia64_set_rr(0x4000000000000000UL, (val2)); \
ia64_set_rr(0x6000000000000000UL, (val3)); \
ia64_set_rr(0x8000000000000000UL, (val4)); \
} while (0)
/*
* Force an unresolved reference if someone tries to use
* ia64_fetch_and_add() with a bad value.
*/
extern unsigned long __bad_size_for_ia64_fetch_and_add (void);
extern unsigned long __bad_increment_for_ia64_fetch_and_add (void);
#define IA64_FETCHADD(tmp,v,n,sz,sem) \
({ \
switch (sz) { \
case 4: \
tmp = ia64_fetchadd4_##sem((unsigned int *) v, n); \
break; \
\
case 8: \
tmp = ia64_fetchadd8_##sem((unsigned long *) v, n); \
break; \
\
default: \
__bad_size_for_ia64_fetch_and_add(); \
} \
})
#define ia64_fetchadd(i,v,sem) \
({ \
__u64 _tmp; \
volatile __typeof__(*(v)) *_v = (v); \
/* Can't use a switch () here: gcc isn't always smart enough for that... */ \
if ((i) == -16) \
IA64_FETCHADD(_tmp, _v, -16, sizeof(*(v)), sem); \
else if ((i) == -8) \
IA64_FETCHADD(_tmp, _v, -8, sizeof(*(v)), sem); \
else if ((i) == -4) \
IA64_FETCHADD(_tmp, _v, -4, sizeof(*(v)), sem); \
else if ((i) == -1) \
IA64_FETCHADD(_tmp, _v, -1, sizeof(*(v)), sem); \
else if ((i) == 1) \
IA64_FETCHADD(_tmp, _v, 1, sizeof(*(v)), sem); \
else if ((i) == 4) \
IA64_FETCHADD(_tmp, _v, 4, sizeof(*(v)), sem); \
else if ((i) == 8) \
IA64_FETCHADD(_tmp, _v, 8, sizeof(*(v)), sem); \
else if ((i) == 16) \
IA64_FETCHADD(_tmp, _v, 16, sizeof(*(v)), sem); \
else \
_tmp = __bad_increment_for_ia64_fetch_and_add(); \
(__typeof__(*(v))) (_tmp); /* return old value */ \
})
#define ia64_fetch_and_add(i,v) (ia64_fetchadd(i, v, rel) + (i)) /* return new value */
#endif
#endif /* _UAPI_ASM_IA64_INTRINSICS_H */