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  1. /*===--------------- x86gprintrin.h - X86 GPR intrinsics ------------------===
  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-exception
  6.  *
  7.  *===-----------------------------------------------------------------------===
  8.  */
  9.  
  10. #ifndef __X86GPRINTRIN_H
  11. #define __X86GPRINTRIN_H
  12.  
  13. #if !(defined(_MSC_VER) || defined(__SCE__)) || __has_feature(modules) ||      \
  14.     defined(__HRESET__)
  15. #include <hresetintrin.h>
  16. #endif
  17.  
  18. #if !(defined(_MSC_VER) || defined(__SCE__)) || __has_feature(modules) ||      \
  19.     defined(__UINTR__)
  20. #include <uintrintrin.h>
  21. #endif
  22.  
  23. #if !(defined(_MSC_VER) || defined(__SCE__)) || __has_feature(modules) ||      \
  24.     defined(__CRC32__)
  25. #include <crc32intrin.h>
  26. #endif
  27.  
  28. #if !(defined(_MSC_VER) || defined(__SCE__)) || __has_feature(modules) ||      \
  29.     defined(__PRFCHI__)
  30. #include <prfchiintrin.h>
  31. #endif
  32.  
  33. #if !(defined(_MSC_VER) || defined(__SCE__)) || __has_feature(modules) ||      \
  34.     defined(__RAOINT__)
  35. #include <raointintrin.h>
  36. #endif
  37.  
  38. #if !(defined(_MSC_VER) || defined(__SCE__)) || __has_feature(modules) ||      \
  39.     defined(__CMPCCXADD__)
  40. #include <cmpccxaddintrin.h>
  41. #endif
  42.  
  43. #if defined(__i386__)
  44. #define __SAVE_GPRBX "mov {%%ebx, %%eax |eax, ebx};"
  45. #define __RESTORE_GPRBX "mov {%%eax, %%ebx |ebx, eax};"
  46. #define __TMPGPR "eax"
  47. #else
  48. // When in 64-bit target, the 32-bit operands generate a 32-bit result,
  49. // zero-extended to a 64-bit result in the destination general-purpose,
  50. // It means "mov x %ebx" will clobber the higher 32 bits of rbx, so we
  51. // should preserve the 64-bit register rbx.
  52. #define __SAVE_GPRBX "mov {%%rbx, %%rax |rax, rbx};"
  53. #define __RESTORE_GPRBX "mov {%%rax, %%rbx |rbx, rax};"
  54. #define __TMPGPR "rax"
  55. #endif
  56.  
  57. #define __SSC_MARK(__Tag)                                                      \
  58.   __asm__ __volatile__( __SAVE_GPRBX                                           \
  59.                        "mov {%0, %%ebx|ebx, %0}; "                             \
  60.                        ".byte 0x64, 0x67, 0x90; "                              \
  61.                         __RESTORE_GPRBX                                        \
  62.                        ::"i"(__Tag)                                            \
  63.                        :  __TMPGPR );
  64.  
  65. #endif /* __X86GPRINTRIN_H */
  66.