clang/lib/Headers/x86gprintrin.h

   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 */