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#include <hresetintrin.h>
14
15#include <uintrintrin.h>
16
17#include <usermsrintrin.h>
18
19#include <crc32intrin.h>
20
21#include <prfchiintrin.h>
22
23#include <raointintrin.h>
24
25#include <cmpccxaddintrin.h>
26
27#if defined(__i386__)
28#define __SAVE_GPRBX "mov {%%ebx, %%eax |eax, ebx};"
29#define __RESTORE_GPRBX "mov {%%eax, %%ebx |ebx, eax};"
30#define __TMPGPR "eax"
31#else
32// When in 64-bit target, the 32-bit operands generate a 32-bit result,
33// zero-extended to a 64-bit result in the destination general-purpose,
34// It means "mov x %ebx" will clobber the higher 32 bits of rbx, so we
35// should preserve the 64-bit register rbx.
36#define __SAVE_GPRBX "mov {%%rbx, %%rax |rax, rbx};"
37#define __RESTORE_GPRBX "mov {%%rax, %%rbx |rbx, rax};"
38#define __TMPGPR "rax"
39#endif
40
41#define __SSC_MARK(__Tag) \
42 __asm__ __volatile__( __SAVE_GPRBX \
43 "mov {%0, %%ebx|ebx, %0}; " \
44 ".byte 0x64, 0x67, 0x90; " \
45 __RESTORE_GPRBX \
46 ::"i"(__Tag) \
47 : __TMPGPR );
48
49#endif /* __X86GPRINTRIN_H */