492 lines · c
1/* ===-------- intrin.h ---------------------------------------------------===2 *3 * Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.4 * See https://llvm.org/LICENSE.txt for license information.5 * SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception6 *7 *===-----------------------------------------------------------------------===8 */9 10/* Only include this if we're compiling for the windows platform. */11#ifndef _MSC_VER12#include_next <intrin.h>13#else14 15#ifndef __INTRIN_H16#define __INTRIN_H17 18#include <intrin0.h>19 20/* First include the standard intrinsics. */21#if defined(__i386__) || (defined(__x86_64__) && !defined(__arm64ec__))22#include <x86intrin.h>23#endif24 25#if defined(__arm__)26#include <armintr.h>27#endif28 29#if defined(__aarch64__) || defined(__arm64ec__)30#include <arm64intr.h>31#endif32 33#if defined(__ARM_ACLE)34#include <arm_acle.h>35#endif36 37/* For the definition of jmp_buf. */38#if __STDC_HOSTED__39#include <setjmp.h>40#endif41 42/* Define the default attributes for the functions in this file. */43#define __DEFAULT_FN_ATTRS __attribute__((__always_inline__, __nodebug__))44 45#if __x86_64__46#define __LPTRINT_TYPE__ __int6447#else48#define __LPTRINT_TYPE__ long49#endif50 51#ifdef __cplusplus52extern "C" {53#endif54 55#if defined(__MMX__)56/* And the random ones that aren't in those files. */57__m64 _m_from_float(float);58float _m_to_float(__m64);59#endif60 61/* Other assorted instruction intrinsics. */62void __addfsbyte(unsigned long, unsigned char);63void __addfsdword(unsigned long, unsigned long);64void __addfsword(unsigned long, unsigned short);65void __code_seg(const char *);66void __cpuid(int[4], int);67void __cpuidex(int[4], int, int);68__int64 __emul(int, int);69unsigned __int64 __emulu(unsigned int, unsigned int);70unsigned int __getcallerseflags(void);71void __halt(void);72unsigned char __inbyte(unsigned short);73void __inbytestring(unsigned short, unsigned char *, unsigned long);74void __incfsbyte(unsigned long);75void __incfsdword(unsigned long);76void __incfsword(unsigned long);77unsigned long __indword(unsigned short);78void __indwordstring(unsigned short, unsigned long *, unsigned long);79void __int2c(void);80void __invlpg(void *);81unsigned short __inword(unsigned short);82void __inwordstring(unsigned short, unsigned short *, unsigned long);83void __lidt(void *);84unsigned __int64 __ll_lshift(unsigned __int64, int);85__int64 __ll_rshift(__int64, int);86void __movsb(unsigned char *, unsigned char const *, size_t);87void __movsd(unsigned long *, unsigned long const *, size_t);88void __movsw(unsigned short *, unsigned short const *, size_t);89void __nop(void);90void __nvreg_restore_fence(void);91void __nvreg_save_fence(void);92void __outbyte(unsigned short, unsigned char);93void __outbytestring(unsigned short, unsigned char *, unsigned long);94void __outdword(unsigned short, unsigned long);95void __outdwordstring(unsigned short, unsigned long *, unsigned long);96void __outword(unsigned short, unsigned short);97void __outwordstring(unsigned short, unsigned short *, unsigned long);98unsigned long __readcr0(void);99unsigned long __readcr2(void);100unsigned __LPTRINT_TYPE__ __readcr3(void);101unsigned __LPTRINT_TYPE__ __readcr4(void);102unsigned __int64 __readcr8(void);103unsigned int __readdr(unsigned int);104#ifdef __i386__105unsigned char __readfsbyte(unsigned long);106unsigned short __readfsword(unsigned long);107unsigned long __readfsdword(unsigned long);108unsigned __int64 __readfsqword(unsigned long);109#endif110unsigned __int64 __readmsr(unsigned long);111unsigned __int64 __readpmc(unsigned long);112unsigned long __segmentlimit(unsigned long);113void __sidt(void *);114void __stosb(unsigned char *, unsigned char, size_t);115void __stosd(unsigned long *, unsigned long, size_t);116void __stosw(unsigned short *, unsigned short, size_t);117void __svm_clgi(void);118void __svm_invlpga(void *, int);119void __svm_skinit(int);120void __svm_stgi(void);121void __svm_vmload(size_t);122void __svm_vmrun(size_t);123void __svm_vmsave(size_t);124void __ud2(void);125unsigned __int64 __ull_rshift(unsigned __int64, int);126void __vmx_off(void);127void __vmx_vmptrst(unsigned __int64 *);128void __wbinvd(void);129void __writecr0(unsigned int);130void __writecr3(unsigned __INTPTR_TYPE__);131void __writecr4(unsigned __INTPTR_TYPE__);132void __writecr8(unsigned __int64);133void __writedr(unsigned int, unsigned int);134void __writefsbyte(unsigned long, unsigned char);135void __writefsdword(unsigned long, unsigned long);136void __writefsqword(unsigned long, unsigned __int64);137void __writefsword(unsigned long, unsigned short);138void __writemsr(unsigned long, unsigned __int64);139void *_AddressOfReturnAddress(void);140unsigned char _bittest(long const *, long);141unsigned char _bittestandcomplement(long *, long);142unsigned char _bittestandreset(long *, long);143unsigned char _bittestandset(long *, long);144void __cdecl _disable(void);145void __cdecl _enable(void);146long _InterlockedAddLargeStatistic(__int64 volatile *_Addend, long _Value);147unsigned char _interlockedbittestandreset(long volatile *, long);148unsigned char _interlockedbittestandset(long volatile *, long);149void *_InterlockedCompareExchangePointer_HLEAcquire(void *volatile *, void *,150 void *);151void *_InterlockedCompareExchangePointer_HLERelease(void *volatile *, void *,152 void *);153long _InterlockedExchangeAdd_HLEAcquire(long volatile *, long);154long _InterlockedExchangeAdd_HLERelease(long volatile *, long);155__int64 _InterlockedExchangeAdd64_HLEAcquire(__int64 volatile *, __int64);156__int64 _InterlockedExchangeAdd64_HLERelease(__int64 volatile *, __int64);157void _ReadBarrier(void);158unsigned int _rorx_u32(unsigned int, const unsigned int);159int _sarx_i32(int, unsigned int);160#if __STDC_HOSTED__161int __cdecl _setjmp(jmp_buf);162#endif163unsigned int _shlx_u32(unsigned int, unsigned int);164unsigned int _shrx_u32(unsigned int, unsigned int);165void _Store_HLERelease(long volatile *, long);166void _Store64_HLERelease(__int64 volatile *, __int64);167void _StorePointer_HLERelease(void *volatile *, void *);168void _WriteBarrier(void);169 170/* These additional intrinsics are turned on in x64/amd64/x86_64 mode. */171#if defined(__x86_64__) && !defined(__arm64ec__)172void __addgsbyte(unsigned long, unsigned char);173void __addgsdword(unsigned long, unsigned long);174void __addgsqword(unsigned long, unsigned __int64);175void __addgsword(unsigned long, unsigned short);176void __faststorefence(void);177void __incgsbyte(unsigned long);178void __incgsdword(unsigned long);179void __incgsqword(unsigned long);180void __incgsword(unsigned long);181void __movsq(unsigned long long *, unsigned long long const *, size_t);182unsigned char __readgsbyte(unsigned long);183unsigned long __readgsdword(unsigned long);184unsigned __int64 __readgsqword(unsigned long);185unsigned short __readgsword(unsigned long);186void __stosq(unsigned __int64 *, unsigned __int64, size_t);187unsigned char __vmx_on(unsigned __int64 *);188unsigned char __vmx_vmclear(unsigned __int64 *);189unsigned char __vmx_vmlaunch(void);190unsigned char __vmx_vmptrld(unsigned __int64 *);191unsigned char __vmx_vmread(size_t, size_t *);192unsigned char __vmx_vmresume(void);193unsigned char __vmx_vmwrite(size_t, size_t);194void __writegsbyte(unsigned long, unsigned char);195void __writegsdword(unsigned long, unsigned long);196void __writegsqword(unsigned long, unsigned __int64);197void __writegsword(unsigned long, unsigned short);198unsigned char _bittest64(__int64 const *, __int64);199unsigned char _bittestandcomplement64(__int64 *, __int64);200unsigned char _bittestandreset64(__int64 *, __int64);201unsigned char _bittestandset64(__int64 *, __int64);202long _InterlockedAnd_np(long volatile *_Value, long _Mask);203short _InterlockedAnd16_np(short volatile *_Value, short _Mask);204__int64 _InterlockedAnd64_np(__int64 volatile *_Value, __int64 _Mask);205char _InterlockedAnd8_np(char volatile *_Value, char _Mask);206unsigned char _interlockedbittestandreset64(__int64 volatile *, __int64);207unsigned char _interlockedbittestandset64(__int64 volatile *, __int64);208long _InterlockedCompareExchange_np(long volatile *_Destination, long _Exchange,209 long _Comparand);210unsigned char _InterlockedCompareExchange128_np(__int64 volatile *_Destination,211 __int64 _ExchangeHigh,212 __int64 _ExchangeLow,213 __int64 *_ComparandResult);214short _InterlockedCompareExchange16_np(short volatile *_Destination,215 short _Exchange, short _Comparand);216__int64 _InterlockedCompareExchange64_np(__int64 volatile *_Destination,217 __int64 _Exchange, __int64 _Comparand);218void *_InterlockedCompareExchangePointer_np(void *volatile *_Destination,219 void *_Exchange, void *_Comparand);220long _InterlockedOr_np(long volatile *_Value, long _Mask);221short _InterlockedOr16_np(short volatile *_Value, short _Mask);222__int64 _InterlockedOr64_np(__int64 volatile *_Value, __int64 _Mask);223char _InterlockedOr8_np(char volatile *_Value, char _Mask);224long _InterlockedXor_np(long volatile *_Value, long _Mask);225short _InterlockedXor16_np(short volatile *_Value, short _Mask);226__int64 _InterlockedXor64_np(__int64 volatile *_Value, __int64 _Mask);227char _InterlockedXor8_np(char volatile *_Value, char _Mask);228unsigned __int64 _rorx_u64(unsigned __int64, const unsigned int);229__int64 _sarx_i64(__int64, unsigned int);230unsigned __int64 _shlx_u64(unsigned __int64, unsigned int);231unsigned __int64 _shrx_u64(unsigned __int64, unsigned int);232__int64 __mulh(__int64, __int64);233unsigned __int64 __umulh(unsigned __int64, unsigned __int64);234__int64 _mul128(__int64, __int64, __int64 *);235 236#endif /* __x86_64__ */237 238/*----------------------------------------------------------------------------*\239|* movs, stos240\*----------------------------------------------------------------------------*/241 242#if defined(__i386__) || (defined(__x86_64__) && !defined(__arm64ec__))243static __inline__ void __DEFAULT_FN_ATTRS __movsb(unsigned char *__dst,244 unsigned char const *__src,245 size_t __n) {246#if defined(__x86_64__)247 __asm__ __volatile__("rep movsb"248 : "+D"(__dst), "+S"(__src), "+c"(__n)249 :250 : "memory");251#else252 __asm__ __volatile__("xchg {%%esi, %1|%1, esi}\n"253 "rep movsb\n"254 "xchg {%%esi, %1|%1, esi}"255 : "+D"(__dst), "+r"(__src), "+c"(__n)256 :257 : "memory");258#endif259}260static __inline__ void __DEFAULT_FN_ATTRS __movsd(unsigned long *__dst,261 unsigned long const *__src,262 size_t __n) {263#if defined(__x86_64__)264 __asm__ __volatile__("rep movs{l|d}"265 : "+D"(__dst), "+S"(__src), "+c"(__n)266 :267 : "memory");268#else269 __asm__ __volatile__("xchg {%%esi, %1|%1, esi}\n"270 "rep movs{l|d}\n"271 "xchg {%%esi, %1|%1, esi}"272 : "+D"(__dst), "+r"(__src), "+c"(__n)273 :274 : "memory");275#endif276}277static __inline__ void __DEFAULT_FN_ATTRS __movsw(unsigned short *__dst,278 unsigned short const *__src,279 size_t __n) {280#if defined(__x86_64__)281 __asm__ __volatile__("rep movsw"282 : "+D"(__dst), "+S"(__src), "+c"(__n)283 :284 : "memory");285#else286 __asm__ __volatile__("xchg {%%esi, %1|%1, esi}\n"287 "rep movsw\n"288 "xchg {%%esi, %1|%1, esi}"289 : "+D"(__dst), "+r"(__src), "+c"(__n)290 :291 : "memory");292#endif293}294static __inline__ void __DEFAULT_FN_ATTRS __stosd(unsigned long *__dst,295 unsigned long __x,296 size_t __n) {297 __asm__ __volatile__("rep stos{l|d}"298 : "+D"(__dst), "+c"(__n)299 : "a"(__x)300 : "memory");301}302static __inline__ void __DEFAULT_FN_ATTRS __stosw(unsigned short *__dst,303 unsigned short __x,304 size_t __n) {305 __asm__ __volatile__("rep stosw"306 : "+D"(__dst), "+c"(__n)307 : "a"(__x)308 : "memory");309}310#endif311#if defined(__x86_64__) && !defined(__arm64ec__)312static __inline__ void __DEFAULT_FN_ATTRS __movsq(313 unsigned long long *__dst, unsigned long long const *__src, size_t __n) {314 __asm__ __volatile__("rep movsq"315 : "+D"(__dst), "+S"(__src), "+c"(__n)316 :317 : "memory");318}319static __inline__ void __DEFAULT_FN_ATTRS __stosq(unsigned __int64 *__dst,320 unsigned __int64 __x,321 size_t __n) {322 __asm__ __volatile__("rep stosq" : "+D"(__dst), "+c"(__n) : "a"(__x)323 : "memory");324}325#endif326 327/*----------------------------------------------------------------------------*\328|* Misc329\*----------------------------------------------------------------------------*/330#if defined(__i386__) || (defined(__x86_64__) && !defined(__arm64ec__))331static __inline__ void __DEFAULT_FN_ATTRS __halt(void) {332 __asm__ volatile("hlt");333}334 335static __inline__ unsigned char __inbyte(unsigned short port) {336 unsigned char ret;337 __asm__ __volatile__("inb %w1, %b0" : "=a"(ret) : "Nd"(port));338 return ret;339}340 341static __inline__ unsigned short __inword(unsigned short port) {342 unsigned short ret;343 __asm__ __volatile__("inw %w1, %w0" : "=a"(ret) : "Nd"(port));344 return ret;345}346 347static __inline__ unsigned long __indword(unsigned short port) {348 unsigned long ret;349 __asm__ __volatile__("inl %w1, %k0" : "=a"(ret) : "Nd"(port));350 return ret;351}352 353static __inline__ void __outbyte(unsigned short port, unsigned char data) {354 __asm__ __volatile__("outb %b0, %w1" : : "a"(data), "Nd"(port));355}356 357static __inline__ void __outword(unsigned short port, unsigned short data) {358 __asm__ __volatile__("outw %w0, %w1" : : "a"(data), "Nd"(port));359}360 361static __inline__ void __outdword(unsigned short port, unsigned long data) {362 __asm__ __volatile__("outl %k0, %w1" : : "a"(data), "Nd"(port));363}364#endif365 366#if defined(__i386__) || defined(__x86_64__) || defined(__aarch64__)367static __inline__ void __DEFAULT_FN_ATTRS __nop(void) {368 __asm__ volatile("nop");369}370#endif371 372/*----------------------------------------------------------------------------*\373|* MS AArch64 specific374\*----------------------------------------------------------------------------*/375#if defined(__aarch64__) || defined(__arm64ec__)376unsigned __int64 __getReg(int);377unsigned char _interlockedbittestandreset_acq(long volatile *, long);378unsigned char _interlockedbittestandreset_nf(long volatile *, long);379unsigned char _interlockedbittestandreset_rel(long volatile *, long);380unsigned char _interlockedbittestandreset64_acq(__int64 volatile *, __int64);381unsigned char _interlockedbittestandreset64_nf(__int64 volatile *, __int64);382unsigned char _interlockedbittestandreset64_rel(__int64 volatile *, __int64);383unsigned char _interlockedbittestandset_acq(long volatile *, long);384unsigned char _interlockedbittestandset_nf(long volatile *, long);385unsigned char _interlockedbittestandset_rel(long volatile *, long);386unsigned char _interlockedbittestandset64_acq(__int64 volatile *, __int64);387unsigned char _interlockedbittestandset64_nf(__int64 volatile *, __int64);388unsigned char _interlockedbittestandset64_rel(__int64 volatile *, __int64);389long _InterlockedAdd(long volatile *, long);390long _InterlockedAdd_acq(long volatile *, long);391long _InterlockedAdd_nf(long volatile *, long);392long _InterlockedAdd_rel(long volatile *, long);393__int64 _InterlockedAdd64(__int64 volatile *, __int64);394__int64 _InterlockedAdd64_acq(__int64 volatile *, __int64);395__int64 _InterlockedAdd64_nf(__int64 volatile *, __int64);396__int64 _InterlockedAdd64_rel(__int64 volatile *, __int64);397__int64 _ReadStatusReg(int);398void _WriteStatusReg(int, __int64);399unsigned int __sys(int, __int64);400 401unsigned short __cdecl _byteswap_ushort(unsigned short val);402unsigned long __cdecl _byteswap_ulong (unsigned long val);403unsigned __int64 __cdecl _byteswap_uint64(unsigned __int64 val);404 405__int64 __mulh(__int64 __a, __int64 __b);406unsigned __int64 __umulh(unsigned __int64 __a, unsigned __int64 __b);407 408void __break(int);409 410void __writex18byte(unsigned long offset, unsigned char data);411void __writex18word(unsigned long offset, unsigned short data);412void __writex18dword(unsigned long offset, unsigned long data);413void __writex18qword(unsigned long offset, unsigned __int64 data);414 415unsigned char __readx18byte(unsigned long offset);416unsigned short __readx18word(unsigned long offset);417unsigned long __readx18dword(unsigned long offset);418unsigned __int64 __readx18qword(unsigned long offset);419 420void __addx18byte(unsigned long offset, unsigned char data);421void __addx18word(unsigned long offset, unsigned short data);422void __addx18dword(unsigned long offset, unsigned long data);423void __addx18qword(unsigned long offset, unsigned __int64 data);424 425void __incx18byte(unsigned long offset);426void __incx18word(unsigned long offset);427void __incx18dword(unsigned long offset);428void __incx18qword(unsigned long offset);429 430double _CopyDoubleFromInt64(__int64);431float _CopyFloatFromInt32(__int32);432__int32 _CopyInt32FromFloat(float);433__int64 _CopyInt64FromDouble(double);434 435unsigned int _CountLeadingOnes(unsigned long);436unsigned int _CountLeadingOnes64(unsigned __int64);437unsigned int _CountLeadingSigns(long);438unsigned int _CountLeadingSigns64(__int64);439unsigned int _CountOneBits(unsigned long);440unsigned int _CountOneBits64(unsigned __int64);441 442unsigned int __hlt(unsigned int, ...);443 444void __cdecl __prefetch(const void *);445 446#endif447 448/*----------------------------------------------------------------------------*\449|* Privileged intrinsics450\*----------------------------------------------------------------------------*/451#if defined(__i386__) || (defined(__x86_64__) && !defined(__arm64ec__))452static __inline__ unsigned __int64 __DEFAULT_FN_ATTRS453__readmsr(unsigned long __register) {454 // Loads the contents of a 64-bit model specific register (MSR) specified in455 // the ECX register into registers EDX:EAX. The EDX register is loaded with456 // the high-order 32 bits of the MSR and the EAX register is loaded with the457 // low-order 32 bits. If less than 64 bits are implemented in the MSR being458 // read, the values returned to EDX:EAX in unimplemented bit locations are459 // undefined.460 unsigned long __edx;461 unsigned long __eax;462 __asm__ ("rdmsr" : "=d"(__edx), "=a"(__eax) : "c"(__register));463 return (((unsigned __int64)__edx) << 32) | (unsigned __int64)__eax;464}465 466static __inline__ unsigned __LPTRINT_TYPE__ __DEFAULT_FN_ATTRS __readcr3(void) {467 unsigned __LPTRINT_TYPE__ __cr3_val;468 __asm__ __volatile__(469 "mov {%%cr3, %0|%0, cr3}"470 : "=r"(__cr3_val)471 :472 : "memory");473 return __cr3_val;474}475 476static __inline__ void __DEFAULT_FN_ATTRS477__writecr3(unsigned __INTPTR_TYPE__ __cr3_val) {478 __asm__ ("mov {%0, %%cr3|cr3, %0}" : : "r"(__cr3_val) : "memory");479}480#endif481 482#ifdef __cplusplus483}484#endif485 486#undef __LPTRINT_TYPE__487 488#undef __DEFAULT_FN_ATTRS489 490#endif /* __INTRIN_H */491#endif /* _MSC_VER */492