cosmopolitan/third_party/intel/f16cintrin.internal.h

#if !defined _X86INTRIN_H_INCLUDED && !defined _IMMINTRIN_H_INCLUDED
#error \
    "Never use <f16intrin.h> directly; include <x86intrin.h> or <immintrin.h> instead."
#endif

#ifndef _F16CINTRIN_H_INCLUDED
#define _F16CINTRIN_H_INCLUDED

#ifndef __F16C__
#pragma GCC push_options
#pragma GCC target("f16c")
#define __DISABLE_F16C__
#endif /* __F16C__ */

__funline float _cvtsh_ss(unsigned short __S) {
  __v8hi __H = __extension__(__v8hi){(short)__S, 0, 0, 0, 0, 0, 0, 0};
  __v4sf __A = __builtin_ia32_vcvtph2ps(__H);
  return __builtin_ia32_vec_ext_v4sf(__A, 0);
}

/**
 * Converts four half-precision (16-bit) floating point values to
 * single-precision floating point values.
 */
__funline __m128 _mm_cvtph_ps(__m128i __A) {
  return (__m128)__builtin_ia32_vcvtph2ps((__v8hi)__A);
}

/**
 * Converts eight half-precision (16-bit) floating point values to
 * single-precision floating point values.
 */
__funline __m256 _mm256_cvtph_ps(__m128i __A) {
  return (__m256)__builtin_ia32_vcvtph2ps256((__v8hi)__A);
}

#ifdef __OPTIMIZE__
__funline unsigned short _cvtss_sh(float __F, const int __I) {
  __v4sf __A = __extension__(__v4sf){__F, 0, 0, 0};
  __v8hi __H = __builtin_ia32_vcvtps2ph(__A, __I);
  return (unsigned short)__builtin_ia32_vec_ext_v8hi(__H, 0);
}

__funline __m128i _mm_cvtps_ph(__m128 __A, const int __I) {
  return (__m128i)__builtin_ia32_vcvtps2ph((__v4sf)__A, __I);
}

/**
 * Converts eight single-precision floating point values to
 * half-precision (16-bit) floating point values.
 */
__funline __m128i _mm256_cvtps_ph(__m256 __A, const int __I) {
  return (__m128i)__builtin_ia32_vcvtps2ph256((__v8sf)__A, __I);
}
#else
#define _cvtss_sh(__F, __I)                              \
  (__extension__({                                       \
    __v4sf __A = __extension__(__v4sf){__F, 0, 0, 0};    \
    __v8hi __H = __builtin_ia32_vcvtps2ph(__A, __I);     \
    (unsigned short)__builtin_ia32_vec_ext_v8hi(__H, 0); \
  }))

#define _mm_cvtps_ph(A, I) \
  ((__m128i)__builtin_ia32_vcvtps2ph((__v4sf)(__m128)A, (int)(I)))

#define _mm256_cvtps_ph(A, I) \
  ((__m128i)__builtin_ia32_vcvtps2ph256((__v8sf)(__m256)A, (int)(I)))
#endif /* __OPTIMIZE */

#ifdef __DISABLE_F16C__
#undef __DISABLE_F16C__
#pragma GCC pop_options
#endif /* __DISABLE_F16C__ */

#endif /* _F16CINTRIN_H_INCLUDED */