/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ /* * Compiler-dependent intrinsics. * * Copyright (C) 2002-2003 Hewlett-Packard Co * David Mosberger-Tang <davidm@hpl.hp.com> */ #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 */