File: x86gprintrin.h

package info (click to toggle)
swiftlang 6.0.3-2
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 2,519,992 kB
  • sloc: cpp: 9,107,863; ansic: 2,040,022; asm: 1,135,751; python: 296,500; objc: 82,456; f90: 60,502; lisp: 34,951; pascal: 19,946; sh: 18,133; perl: 7,482; ml: 4,937; javascript: 4,117; makefile: 3,840; awk: 3,535; xml: 914; fortran: 619; cs: 573; ruby: 573
file content (65 lines) | stat: -rw-r--r-- 2,372 bytes parent folder | download | duplicates (4)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
/*===--------------- x86gprintrin.h - X86 GPR intrinsics ------------------===
 *
 * Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 * See https://llvm.org/LICENSE.txt for license information.
 * SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 *
 *===-----------------------------------------------------------------------===
 */

#ifndef __X86GPRINTRIN_H
#define __X86GPRINTRIN_H

#if !(defined(_MSC_VER) || defined(__SCE__)) || __has_feature(modules) ||      \
    defined(__HRESET__)
#include <hresetintrin.h>
#endif

#if !(defined(_MSC_VER) || defined(__SCE__)) || __has_feature(modules) ||      \
    defined(__UINTR__)
#include <uintrintrin.h>
#endif

#if !(defined(_MSC_VER) || defined(__SCE__)) || __has_feature(modules) ||      \
    defined(__CRC32__)
#include <crc32intrin.h>
#endif

#if !(defined(_MSC_VER) || defined(__SCE__)) || __has_feature(modules) ||      \
    defined(__PRFCHI__)
#include <prfchiintrin.h>
#endif

#if !(defined(_MSC_VER) || defined(__SCE__)) || __has_feature(modules) ||      \
    defined(__RAOINT__)
#include <raointintrin.h>
#endif

#if !(defined(_MSC_VER) || defined(__SCE__)) || __has_feature(modules) ||      \
    defined(__CMPCCXADD__)
#include <cmpccxaddintrin.h>
#endif

#if defined(__i386__)
#define __SAVE_GPRBX "mov {%%ebx, %%eax |eax, ebx};"
#define __RESTORE_GPRBX "mov {%%eax, %%ebx |ebx, eax};"
#define __TMPGPR "eax"
#else
// When in 64-bit target, the 32-bit operands generate a 32-bit result,
// zero-extended to a 64-bit result in the destination general-purpose,
// It means "mov x %ebx" will clobber the higher 32 bits of rbx, so we
// should preserve the 64-bit register rbx.
#define __SAVE_GPRBX "mov {%%rbx, %%rax |rax, rbx};"
#define __RESTORE_GPRBX "mov {%%rax, %%rbx |rbx, rax};"
#define __TMPGPR "rax"
#endif

#define __SSC_MARK(__Tag)                                                      \
  __asm__ __volatile__( __SAVE_GPRBX                                           \
                       "mov {%0, %%ebx|ebx, %0}; "                             \
                       ".byte 0x64, 0x67, 0x90; "                              \
                        __RESTORE_GPRBX                                        \
                       ::"i"(__Tag)                                            \
                       :  __TMPGPR );

#endif /* __X86GPRINTRIN_H */