bmiintrin.h

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/*===---- bmiintrin.h - BMI intrinsics -------------------------------------===
 *
 * 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
 *
 *===-----------------------------------------------------------------------===
 */
 
#if !defined __X86INTRIN_H && !defined __IMMINTRIN_H
#error "Never use <bmiintrin.h> directly; include <x86intrin.h> instead."
#endif
 
#ifndef __BMIINTRIN_H
#define __BMIINTRIN_H
 
/* Allow using the tzcnt intrinsics even for non-BMI targets. Since the TZCNT
   instruction behaves as BSF on non-BMI targets, there is code that expects
   to use it as a potentially faster version of BSF. */
#define __RELAXED_FN_ATTRS __attribute__((__always_inline__, __nodebug__))
 
#define _tzcnt_u16(a)     (__tzcnt_u16((a)))
 
static __inline__ unsigned short __RELAXED_FN_ATTRS
__tzcnt_u16(unsigned short __X)
{
  return __builtin_ia32_tzcnt_u16(__X);
}
 
static __inline__ unsigned int __RELAXED_FN_ATTRS
__tzcnt_u32(unsigned int __X)
{
  return __builtin_ia32_tzcnt_u32(__X);
}
 
static __inline__ int __RELAXED_FN_ATTRS
_mm_tzcnt_32(unsigned int __X)
{
  return __builtin_ia32_tzcnt_u32(__X);
}
 
#define _tzcnt_u32(a)     (__tzcnt_u32((a)))
 
#ifdef __x86_64__
 
static __inline__ unsigned long long __RELAXED_FN_ATTRS
__tzcnt_u64(unsigned long long __X)
{
  return __builtin_ia32_tzcnt_u64(__X);
}
 
static __inline__ long long __RELAXED_FN_ATTRS
_mm_tzcnt_64(unsigned long long __X)
{
  return __builtin_ia32_tzcnt_u64(__X);
}
 
#define _tzcnt_u64(a)     (__tzcnt_u64((a)))
 
#endif /* __x86_64__ */
 
#undef __RELAXED_FN_ATTRS
 
#if !(defined(_MSC_VER) || defined(__SCE__)) || __has_feature(modules) ||      \
    defined(__BMI__)
 
/* Define the default attributes for the functions in this file. */
#define __DEFAULT_FN_ATTRS __attribute__((__always_inline__, __nodebug__, __target__("bmi")))
 
#define _andn_u32(a, b)   (__andn_u32((a), (b)))
 
/* _bextr_u32 != __bextr_u32 */
#define _blsi_u32(a)      (__blsi_u32((a)))
 
#define _blsmsk_u32(a)    (__blsmsk_u32((a)))
 
#define _blsr_u32(a)      (__blsr_u32((a)))
 
static __inline__ unsigned int __DEFAULT_FN_ATTRS
__andn_u32(unsigned int __X, unsigned int __Y)
{
  return ~__X & __Y;
}
 
/* AMD-specified, double-leading-underscore version of BEXTR */
static __inline__ unsigned int __DEFAULT_FN_ATTRS
__bextr_u32(unsigned int __X, unsigned int __Y)
{
  return __builtin_ia32_bextr_u32(__X, __Y);
}
 
/* Intel-specified, single-leading-underscore version of BEXTR */
static __inline__ unsigned int __DEFAULT_FN_ATTRS
_bextr_u32(unsigned int __X, unsigned int __Y, unsigned int __Z)
{
  return __builtin_ia32_bextr_u32 (__X, ((__Y & 0xff) | ((__Z & 0xff) << 8)));
}
 
/* Intel-specified, single-leading-underscore version of BEXTR2 */
static __inline__ unsigned int __DEFAULT_FN_ATTRS
_bextr2_u32(unsigned int __X, unsigned int __Y) {
  return __builtin_ia32_bextr_u32(__X, __Y);
}
 
static __inline__ unsigned int __DEFAULT_FN_ATTRS
__blsi_u32(unsigned int __X)
{
  return __X & -__X;
}
 
static __inline__ unsigned int __DEFAULT_FN_ATTRS
__blsmsk_u32(unsigned int __X)
{
  return __X ^ (__X - 1);
}
 
static __inline__ unsigned int __DEFAULT_FN_ATTRS
__blsr_u32(unsigned int __X)
{
  return __X & (__X - 1);
}
 
#ifdef __x86_64__
 
#define _andn_u64(a, b)   (__andn_u64((a), (b)))
 
/* _bextr_u64 != __bextr_u64 */
#define _blsi_u64(a)      (__blsi_u64((a)))
 
#define _blsmsk_u64(a)    (__blsmsk_u64((a)))
 
#define _blsr_u64(a)      (__blsr_u64((a)))
 
static __inline__ unsigned long long __DEFAULT_FN_ATTRS
__andn_u64 (unsigned long long __X, unsigned long long __Y)
{
  return ~__X & __Y;
}
 
/* AMD-specified, double-leading-underscore version of BEXTR */
static __inline__ unsigned long long __DEFAULT_FN_ATTRS
__bextr_u64(unsigned long long __X, unsigned long long __Y)
{
  return __builtin_ia32_bextr_u64(__X, __Y);
}
 
/* Intel-specified, single-leading-underscore version of BEXTR */
static __inline__ unsigned long long __DEFAULT_FN_ATTRS
_bextr_u64(unsigned long long __X, unsigned int __Y, unsigned int __Z)
{
  return __builtin_ia32_bextr_u64 (__X, ((__Y & 0xff) | ((__Z & 0xff) << 8)));
}
 
/* Intel-specified, single-leading-underscore version of BEXTR2 */
static __inline__ unsigned long long __DEFAULT_FN_ATTRS
_bextr2_u64(unsigned long long __X, unsigned long long __Y) {
  return __builtin_ia32_bextr_u64(__X, __Y);
}
 
static __inline__ unsigned long long __DEFAULT_FN_ATTRS
__blsi_u64(unsigned long long __X)
{
  return __X & -__X;
}
 
static __inline__ unsigned long long __DEFAULT_FN_ATTRS
__blsmsk_u64(unsigned long long __X)
{
  return __X ^ (__X - 1);
}
 
static __inline__ unsigned long long __DEFAULT_FN_ATTRS
__blsr_u64(unsigned long long __X)
{
  return __X & (__X - 1);
}
 
#endif /* __x86_64__ */
 
#undef __DEFAULT_FN_ATTRS
 
#endif /* !(defined(_MSC_VER) || defined(__SCE__)) || __has_feature(modules)   \
          || defined(__BMI__) */
 
#endif /* __BMIINTRIN_H */