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intrin.h
/* ===-------- intrin.h ---------------------------------------------------=== * * Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. * See https://llvm.org/LICENSE.txt for license information. * SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception * *===-----------------------------------------------------------------------=== */ /* Only include this if we're compiling for the windows platform. */ #ifndef _MSC_VER #include_next <intrin.h> #else #ifndef __INTRIN_H #define __INTRIN_H #include <intrin0.h> /* First include the standard intrinsics. */ #if defined(__i386__) || (defined(__x86_64__) && !defined(__arm64ec__)) #include <x86intrin.h> #endif #if defined(__arm__) #include <armintr.h> #endif #if defined(__aarch64__) || defined(__arm64ec__) #include <arm64intr.h> #endif /* For the definition of jmp_buf. */ #if __STDC_HOSTED__ #include <setjmp.h> #endif /* Define the default attributes for the functions in this file. */ #define __DEFAULT_FN_ATTRS __attribute__((__always_inline__, __nodebug__)) #if __x86_64__ #define __LPTRINT_TYPE__ __int64 #else #define __LPTRINT_TYPE__ long #endif #ifdef __cplusplus extern "C" { #endif #if defined(__MMX__) /* And the random ones that aren't in those files. */ __m64 _m_from_float(float); float _m_to_float(__m64); #endif /* Other assorted instruction intrinsics. */ void __addfsbyte(unsigned long, unsigned char); void __addfsdword(unsigned long, unsigned long); void __addfsword(unsigned long, unsigned short); void __code_seg(const char *); void __cpuid(int[4], int); void __cpuidex(int[4], int, int); __int64 __emul(int, int); unsigned __int64 __emulu(unsigned int, unsigned int); unsigned int __getcallerseflags(void); void __halt(void); unsigned char __inbyte(unsigned short); void __inbytestring(unsigned short, unsigned char *, unsigned long); void __incfsbyte(unsigned long); void __incfsdword(unsigned long); void __incfsword(unsigned long); unsigned long __indword(unsigned short); void __indwordstring(unsigned short, unsigned long *, unsigned long); void __int2c(void); void __invlpg(void *); unsigned short __inword(unsigned short); void __inwordstring(unsigned short, unsigned short *, unsigned long); void __lidt(void *); unsigned __int64 __ll_lshift(unsigned __int64, int); __int64 __ll_rshift(__int64, int); void __movsb(unsigned char *, unsigned char const *, size_t); void __movsd(unsigned long *, unsigned long const *, size_t); void __movsw(unsigned short *, unsigned short const *, size_t); void __nop(void); void __nvreg_restore_fence(void); void __nvreg_save_fence(void); void __outbyte(unsigned short, unsigned char); void __outbytestring(unsigned short, unsigned char *, unsigned long); void __outdword(unsigned short, unsigned long); void __outdwordstring(unsigned short, unsigned long *, unsigned long); void __outword(unsigned short, unsigned short); void __outwordstring(unsigned short, unsigned short *, unsigned long); unsigned long __readcr0(void); unsigned long __readcr2(void); unsigned __LPTRINT_TYPE__ __readcr3(void); unsigned __LPTRINT_TYPE__ __readcr4(void); unsigned __int64 __readcr8(void); unsigned int __readdr(unsigned int); #ifdef __i386__ unsigned char __readfsbyte(unsigned long); unsigned short __readfsword(unsigned long); unsigned long __readfsdword(unsigned long); unsigned __int64 __readfsqword(unsigned long); #endif unsigned __int64 __readmsr(unsigned long); unsigned __int64 __readpmc(unsigned long); unsigned long __segmentlimit(unsigned long); void __sidt(void *); void __stosb(unsigned char *, unsigned char, size_t); void __stosd(unsigned long *, unsigned long, size_t); void __stosw(unsigned short *, unsigned short, size_t); void __svm_clgi(void); void __svm_invlpga(void *, int); void __svm_skinit(int); void __svm_stgi(void); void __svm_vmload(size_t); void __svm_vmrun(size_t); void __svm_vmsave(size_t); void __ud2(void); unsigned __int64 __ull_rshift(unsigned __int64, int); void __vmx_off(void); void __vmx_vmptrst(unsigned __int64 *); void __wbinvd(void); void __writecr0(unsigned int); void __writecr3(unsigned __INTPTR_TYPE__); void __writecr4(unsigned __INTPTR_TYPE__); void __writecr8(unsigned __int64); void __writedr(unsigned int, unsigned int); void __writefsbyte(unsigned long, unsigned char); void __writefsdword(unsigned long, unsigned long); void __writefsqword(unsigned long, unsigned __int64); void __writefsword(unsigned long, unsigned short); void __writemsr(unsigned long, unsigned __int64); void *_AddressOfReturnAddress(void); unsigned char _bittest(long const *, long); unsigned char _bittestandcomplement(long *, long); unsigned char _bittestandreset(long *, long); unsigned char _bittestandset(long *, long); void __cdecl _disable(void); void __cdecl _enable(void); long _InterlockedAddLargeStatistic(__int64 volatile *_Addend, long _Value); unsigned char _interlockedbittestandreset(long volatile *, long); unsigned char _interlockedbittestandset(long volatile *, long); void *_InterlockedCompareExchangePointer_HLEAcquire(void *volatile *, void *, void *); void *_InterlockedCompareExchangePointer_HLERelease(void *volatile *, void *, void *); long _InterlockedExchangeAdd_HLEAcquire(long volatile *, long); long _InterlockedExchangeAdd_HLERelease(long volatile *, long); __int64 _InterlockedExchangeAdd64_HLEAcquire(__int64 volatile *, __int64); __int64 _InterlockedExchangeAdd64_HLERelease(__int64 volatile *, __int64); void _ReadBarrier(void); unsigned int _rorx_u32(unsigned int, const unsigned int); int _sarx_i32(int, unsigned int); #if __STDC_HOSTED__ int __cdecl _setjmp(jmp_buf); #endif unsigned int _shlx_u32(unsigned int, unsigned int); unsigned int _shrx_u32(unsigned int, unsigned int); void _Store_HLERelease(long volatile *, long); void _Store64_HLERelease(__int64 volatile *, __int64); void _StorePointer_HLERelease(void *volatile *, void *); void _WriteBarrier(void); unsigned __int32 xbegin(void); void _xend(void); /* These additional intrinsics are turned on in x64/amd64/x86_64 mode. */ #if defined(__x86_64__) && !defined(__arm64ec__) void __addgsbyte(unsigned long, unsigned char); void __addgsdword(unsigned long, unsigned long); void __addgsqword(unsigned long, unsigned __int64); void __addgsword(unsigned long, unsigned short); void __faststorefence(void); void __incgsbyte(unsigned long); void __incgsdword(unsigned long); void __incgsqword(unsigned long); void __incgsword(unsigned long); void __movsq(unsigned long long *, unsigned long long const *, size_t); unsigned char __readgsbyte(unsigned long); unsigned long __readgsdword(unsigned long); unsigned __int64 __readgsqword(unsigned long); unsigned short __readgsword(unsigned long); void __stosq(unsigned __int64 *, unsigned __int64, size_t); unsigned char __vmx_on(unsigned __int64 *); unsigned char __vmx_vmclear(unsigned __int64 *); unsigned char __vmx_vmlaunch(void); unsigned char __vmx_vmptrld(unsigned __int64 *); unsigned char __vmx_vmread(size_t, size_t *); unsigned char __vmx_vmresume(void); unsigned char __vmx_vmwrite(size_t, size_t); void __writegsbyte(unsigned long, unsigned char); void __writegsdword(unsigned long, unsigned long); void __writegsqword(unsigned long, unsigned __int64); void __writegsword(unsigned long, unsigned short); unsigned char _bittest64(__int64 const *, __int64); unsigned char _bittestandcomplement64(__int64 *, __int64); unsigned char _bittestandreset64(__int64 *, __int64); unsigned char _bittestandset64(__int64 *, __int64); long _InterlockedAnd_np(long volatile *_Value, long _Mask); short _InterlockedAnd16_np(short volatile *_Value, short _Mask); __int64 _InterlockedAnd64_np(__int64 volatile *_Value, __int64 _Mask); char _InterlockedAnd8_np(char volatile *_Value, char _Mask); unsigned char _interlockedbittestandreset64(__int64 volatile *, __int64); unsigned char _interlockedbittestandset64(__int64 volatile *, __int64); long _InterlockedCompareExchange_np(long volatile *_Destination, long _Exchange, long _Comparand); unsigned char _InterlockedCompareExchange128_np(__int64 volatile *_Destination, __int64 _ExchangeHigh, __int64 _ExchangeLow, __int64 *_ComparandResult); short _InterlockedCompareExchange16_np(short volatile *_Destination, short _Exchange, short _Comparand); __int64 _InterlockedCompareExchange64_np(__int64 volatile *_Destination, __int64 _Exchange, __int64 _Comparand); void *_InterlockedCompareExchangePointer_np(void *volatile *_Destination, void *_Exchange, void *_Comparand); long _InterlockedOr_np(long volatile *_Value, long _Mask); short _InterlockedOr16_np(short volatile *_Value, short _Mask); __int64 _InterlockedOr64_np(__int64 volatile *_Value, __int64 _Mask); char _InterlockedOr8_np(char volatile *_Value, char _Mask); long _InterlockedXor_np(long volatile *_Value, long _Mask); short _InterlockedXor16_np(short volatile *_Value, short _Mask); __int64 _InterlockedXor64_np(__int64 volatile *_Value, __int64 _Mask); char _InterlockedXor8_np(char volatile *_Value, char _Mask); unsigned __int64 _rorx_u64(unsigned __int64, const unsigned int); __int64 _sarx_i64(__int64, unsigned int); unsigned __int64 _shlx_u64(unsigned __int64, unsigned int); unsigned __int64 _shrx_u64(unsigned __int64, unsigned int); __int64 __mulh(__int64, __int64); unsigned __int64 __umulh(unsigned __int64, unsigned __int64); __int64 _mul128(__int64, __int64, __int64 *); #endif /* __x86_64__ */ /*----------------------------------------------------------------------------*\ |* movs, stos \*----------------------------------------------------------------------------*/ #if defined(__i386__) || (defined(__x86_64__) && !defined(__arm64ec__)) static __inline__ void __DEFAULT_FN_ATTRS __movsb(unsigned char *__dst, unsigned char const *__src, size_t __n) { #if defined(__x86_64__) __asm__ __volatile__("rep movsb" : "+D"(__dst), "+S"(__src), "+c"(__n) : : "memory"); #else __asm__ __volatile__("xchg {%%esi, %1|%1, esi}\n" "rep movsb\n" "xchg {%%esi, %1|%1, esi}" : "+D"(__dst), "+r"(__src), "+c"(__n) : : "memory"); #endif } static __inline__ void __DEFAULT_FN_ATTRS __movsd(unsigned long *__dst, unsigned long const *__src, size_t __n) { #if defined(__x86_64__) __asm__ __volatile__("rep movs{l|d}" : "+D"(__dst), "+S"(__src), "+c"(__n) : : "memory"); #else __asm__ __volatile__("xchg {%%esi, %1|%1, esi}\n" "rep movs{l|d}\n" "xchg {%%esi, %1|%1, esi}" : "+D"(__dst), "+r"(__src), "+c"(__n) : : "memory"); #endif } static __inline__ void __DEFAULT_FN_ATTRS __movsw(unsigned short *__dst, unsigned short const *__src, size_t __n) { #if defined(__x86_64__) __asm__ __volatile__("rep movsw" : "+D"(__dst), "+S"(__src), "+c"(__n) : : "memory"); #else __asm__ __volatile__("xchg {%%esi, %1|%1, esi}\n" "rep movsw\n" "xchg {%%esi, %1|%1, esi}" : "+D"(__dst), "+r"(__src), "+c"(__n) : : "memory"); #endif } static __inline__ void __DEFAULT_FN_ATTRS __stosd(unsigned long *__dst, unsigned long __x, size_t __n) { __asm__ __volatile__("rep stos{l|d}" : "+D"(__dst), "+c"(__n) : "a"(__x) : "memory"); } static __inline__ void __DEFAULT_FN_ATTRS __stosw(unsigned short *__dst, unsigned short __x, size_t __n) { __asm__ __volatile__("rep stosw" : "+D"(__dst), "+c"(__n) : "a"(__x) : "memory"); } #endif #if defined(__x86_64__) && !defined(__arm64ec__) static __inline__ void __DEFAULT_FN_ATTRS __movsq( unsigned long long *__dst, unsigned long long const *__src, size_t __n) { __asm__ __volatile__("rep movsq" : "+D"(__dst), "+S"(__src), "+c"(__n) : : "memory"); } static __inline__ void __DEFAULT_FN_ATTRS __stosq(unsigned __int64 *__dst, unsigned __int64 __x, size_t __n) { __asm__ __volatile__("rep stosq" : "+D"(__dst), "+c"(__n) : "a"(__x) : "memory"); } #endif /*----------------------------------------------------------------------------*\ |* Misc \*----------------------------------------------------------------------------*/ #if defined(__i386__) || (defined(__x86_64__) && !defined(__arm64ec__)) static __inline__ void __DEFAULT_FN_ATTRS __halt(void) { __asm__ volatile("hlt"); } static __inline__ unsigned char __inbyte(unsigned short port) { unsigned char ret; __asm__ __volatile__("inb %w1, %b0" : "=a"(ret) : "Nd"(port)); return ret; } static __inline__ unsigned short __inword(unsigned short port) { unsigned short ret; __asm__ __volatile__("inw %w1, %w0" : "=a"(ret) : "Nd"(port)); return ret; } static __inline__ unsigned long __indword(unsigned short port) { unsigned long ret; __asm__ __volatile__("inl %w1, %k0" : "=a"(ret) : "Nd"(port)); return ret; } static __inline__ void __outbyte(unsigned short port, unsigned char data) { __asm__ __volatile__("outb %b0, %w1" : : "a"(data), "Nd"(port)); } static __inline__ void __outword(unsigned short port, unsigned short data) { __asm__ __volatile__("outw %w0, %w1" : : "a"(data), "Nd"(port)); } static __inline__ void __outdword(unsigned short port, unsigned long data) { __asm__ __volatile__("outl %k0, %w1" : : "a"(data), "Nd"(port)); } #endif #if defined(__i386__) || defined(__x86_64__) || defined(__aarch64__) static __inline__ void __DEFAULT_FN_ATTRS __nop(void) { __asm__ volatile("nop"); } #endif /*----------------------------------------------------------------------------*\ |* MS AArch64 specific \*----------------------------------------------------------------------------*/ #if defined(__aarch64__) || defined(__arm64ec__) unsigned __int64 __getReg(int); long _InterlockedAdd(long volatile *Addend, long Value); __int64 _InterlockedAdd64(__int64 volatile *Addend, __int64 Value); __int64 _ReadStatusReg(int); void _WriteStatusReg(int, __int64); unsigned short __cdecl _byteswap_ushort(unsigned short val); unsigned long __cdecl _byteswap_ulong (unsigned long val); unsigned __int64 __cdecl _byteswap_uint64(unsigned __int64 val); __int64 __mulh(__int64 __a, __int64 __b); unsigned __int64 __umulh(unsigned __int64 __a, unsigned __int64 __b); void __break(int); void __writex18byte(unsigned long offset, unsigned char data); void __writex18word(unsigned long offset, unsigned short data); void __writex18dword(unsigned long offset, unsigned long data); void __writex18qword(unsigned long offset, unsigned __int64 data); unsigned char __readx18byte(unsigned long offset); unsigned short __readx18word(unsigned long offset); unsigned long __readx18dword(unsigned long offset); unsigned __int64 __readx18qword(unsigned long offset); void __addx18byte(unsigned long offset, unsigned char data); void __addx18word(unsigned long offset, unsigned short data); void __addx18dword(unsigned long offset, unsigned long data); void __addx18qword(unsigned long offset, unsigned __int64 data); void __incx18byte(unsigned long offset); void __incx18word(unsigned long offset); void __incx18dword(unsigned long offset); void __incx18qword(unsigned long offset); double _CopyDoubleFromInt64(__int64); float _CopyFloatFromInt32(__int32); __int32 _CopyInt32FromFloat(float); __int64 _CopyInt64FromDouble(double); unsigned int _CountLeadingOnes(unsigned long); unsigned int _CountLeadingOnes64(unsigned __int64); unsigned int _CountLeadingSigns(long); unsigned int _CountLeadingSigns64(__int64); unsigned int _CountOneBits(unsigned long); unsigned int _CountOneBits64(unsigned __int64); unsigned int __hlt(unsigned int, ...); void __cdecl __prefetch(const void *); #endif /*----------------------------------------------------------------------------*\ |* Privileged intrinsics \*----------------------------------------------------------------------------*/ #if defined(__i386__) || (defined(__x86_64__) && !defined(__arm64ec__)) static __inline__ unsigned __int64 __DEFAULT_FN_ATTRS __readmsr(unsigned long __register) { // Loads the contents of a 64-bit model specific register (MSR) specified in // the ECX register into registers EDX:EAX. The EDX register is loaded with // the high-order 32 bits of the MSR and the EAX register is loaded with the // low-order 32 bits. If less than 64 bits are implemented in the MSR being // read, the values returned to EDX:EAX in unimplemented bit locations are // undefined. unsigned long __edx; unsigned long __eax; __asm__ ("rdmsr" : "=d"(__edx), "=a"(__eax) : "c"(__register)); return (((unsigned __int64)__edx) << 32) | (unsigned __int64)__eax; } static __inline__ unsigned __LPTRINT_TYPE__ __DEFAULT_FN_ATTRS __readcr3(void) { unsigned __LPTRINT_TYPE__ __cr3_val; __asm__ __volatile__( "mov {%%cr3, %0|%0, cr3}" : "=r"(__cr3_val) : : "memory"); return __cr3_val; } static __inline__ void __DEFAULT_FN_ATTRS __writecr3(unsigned __INTPTR_TYPE__ __cr3_val) { __asm__ ("mov {%0, %%cr3|cr3, %0}" : : "r"(__cr3_val) : "memory"); } #endif #ifdef __cplusplus } #endif #undef __LPTRINT_TYPE__ #undef __DEFAULT_FN_ATTRS #endif /* __INTRIN_H */ #endif /* _MSC_VER */
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