clang/lib/Headers/cmpccxaddintrin.h

   1 /*===--------------- cmpccxaddintrin.h - CMPCCXADD intrinsics--------------===
   2  *
   3  *
   4  * Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
   5  * See https://llvm.org/LICENSE.txt for license information.
   6  * SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
   7  *
   8  *===-----------------------------------------------------------------------===
   9  */
  10 #ifndef __X86GPRINTRIN_H
  11 #error                                                                         \
  12     "Never use <cmpccxaddintrin.h> directly; include <x86gprintrin.h> instead."
  13 #endif // __X86GPRINTRIN_H
  14
  15 #ifndef __CMPCCXADDINTRIN_H
  16 #define __CMPCCXADDINTRIN_H
  17 #ifdef __x86_64__
  18
  19 typedef enum {
  20   _CMPCCX_O,   /* Overflow.  */
  21   _CMPCCX_NO,  /* No overflow.  */
  22   _CMPCCX_B,   /* Below.  */
  23   _CMPCCX_NB,  /* Not below.  */
  24   _CMPCCX_Z,   /* Zero.  */
  25   _CMPCCX_NZ,  /* Not zero.  */
  26   _CMPCCX_BE,  /* Below or equal.  */
  27   _CMPCCX_NBE, /* Neither below nor equal.  */
  28   _CMPCCX_S,   /* Sign.  */
  29   _CMPCCX_NS,  /* No sign.  */
  30   _CMPCCX_P,   /* Parity.  */
  31   _CMPCCX_NP,  /* No parity.  */
  32   _CMPCCX_L,   /* Less.  */
  33   _CMPCCX_NL,  /* Not less.  */
  34   _CMPCCX_LE,  /* Less or equal.  */
  35   _CMPCCX_NLE, /* Neither less nor equal.  */
  36 } _CMPCCX_ENUM;
  37
  38 /// Compares the value from the memory __A with the value of __B. If the
  39 /// specified condition __D is met, then add the third operand __C to the
  40 /// __A and write it into __A, else the value of __A is unchanged. The return
  41 /// value is the original value of __A.
  42 ///
  43 /// \headerfile <immintrin.h>
  44 ///
  45 /// This intrinsic corresponds to the \c CMPCCXADD instructions.
  46 ///
  47 /// \param __A
  48 ///    __A pointer specifying the memory address.
  49 ///
  50 /// \param __B
  51 ///   A integer operand.
  52 ///
  53 /// \param __C
  54 ///   A integer operand.
  55 ///
  56 /// \param __D
  57 ///   The specified condition.
  58 ///
  59 /// \returns a integer which is the original value of first operand.
  60
  61 #define _cmpccxadd_epi32(__A, __B, __C, __D)                                   \
  62   ((int)(__builtin_ia32_cmpccxadd32((void *)(__A), (int)(__B), (int)(__C),     \
  63                                     (int)(__D))))
  64
  65 #define _cmpccxadd_epi64(__A, __B, __C, __D)                                   \
  66   ((long long)(__builtin_ia32_cmpccxadd64((void *)(__A), (long long)(__B),     \
  67                                           (long long)(__C), (int)(__D))))
  68
  69 #endif // __x86_64__
  70 #endif // __CMPCCXADDINTRIN_H