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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 */
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