Training courses

Kernel and Embedded Linux

Bootlin training courses

Embedded Linux, kernel,
Yocto Project, Buildroot, real-time,
graphics, boot time, debugging...

Bootlin logo

Elixir Cross Referencer

Open Menu /external/bsd/llvm/dist/clang/test/Sema/inline-asm-validate-x86.c 
  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
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
// RUN: %clang_cc1 -triple i686 -fsyntax-only -verify %s
// RUN: %clang_cc1 -triple x86_64 -fsyntax-only -verify %s

void I(int i, int j) {
  static const int BelowMin = -1;
  static const int AboveMax = 32;
  __asm__("xorl %0,%2"
          : "=r"(i)
          : "0"(i), "I"(j)); // expected-error{{constraint 'I' expects an integer constant expression}}
  __asm__("xorl %0,%2"
          : "=r"(i)
          : "0"(i), "I"(BelowMin)); // expected-error{{value '-1' out of range for constraint 'I'}}
  __asm__("xorl %0,%2"
          : "=r"(i)
          : "0"(i), "I"(AboveMax)); // expected-error{{value '32' out of range for constraint 'I'}}
  __asm__("xorl %0,%2"
          : "=r"(i)
          : "0"(i), "I"(16)); // expected-no-error
}

void J(int i, int j) {
  static const int BelowMin = -1;
  static const int AboveMax = 64;
  __asm__("xorl %0,%2"
          : "=r"(i)
          : "0"(i), "J"(j)); // expected-error{{constraint 'J' expects an integer constant expression}}
  __asm__("xorl %0,%2"
          : "=r"(i)
          : "0"(i), "J"(BelowMin)); // expected-error{{value '-1' out of range for constraint 'J'}}
  __asm__("xorl %0,%2"
          : "=r"(i)
          : "0"(i), "J"(AboveMax)); // expected-error{{value '64' out of range for constraint 'J'}}
  __asm__("xorl %0,%2"
          : "=r"(i)
          : "0"(i), "J"(32)); // expected-no-error
}

void K(int i, int j) {
  static const int BelowMin = -129;
  static const int AboveMax = 128;
  __asm__("xorl %0,%2"
          : "=r"(i)
          : "0"(i), "K"(j)); // expected-error{{constraint 'K' expects an integer constant expression}}
  __asm__("xorl %0,%2"
          : "=r"(i)
          : "0"(i), "K"(BelowMin)); // expected-error{{value '-129' out of range for constraint 'K'}}
  __asm__("xorl %0,%2"
          : "=r"(i)
          : "0"(i), "K"(AboveMax)); // expected-error{{value '128' out of range for constraint 'K'}}
  __asm__("xorl %0,%2"
          : "=r"(i)
          : "0"(i), "K"(96)); // expected-no-error
}

void L(int i, int j) {
  static const int Invalid1 = 1;
  static const int Invalid2 = 42;
  static const int Valid1 = 0xff;
  static const int Valid2 = 0xffff;
  static const int Valid3 = 0xffffffff;
  __asm__("xorl %0,%2"
          : "=r"(i)
          : "0"(i), "L"(j)); // expected-error{{constraint 'L' expects an integer constant expression}}
  __asm__("xorl %0,%2"
          : "=r"(i)
          : "0"(i), "L"(Invalid1)); // expected-error{{value '1' out of range for constraint 'L'}}
  __asm__("xorl %0,%2"
          : "=r"(i)
          : "0"(i), "L"(Invalid2)); // expected-error{{value '42' out of range for constraint 'L'}}
  __asm__("xorl %0,%2"
          : "=r"(i)
          : "0"(i), "L"(Valid1)); // expected-no-error
  __asm__("xorl %0,%2"
          : "=r"(i)
          : "0"(i), "L"(Valid2)); // expected-no-error
  __asm__("xorl %0,%2"
          : "=r"(i)
          : "0"(i), "L"(Valid3)); // expected-no-error
}

void M(int i, int j) {
  static const int BelowMin = -1;
  static const int AboveMax = 4;
  __asm__("xorl %0,%2"
          : "=r"(i)
          : "0"(i), "M"(j)); // expected-error{{constraint 'M' expects an integer constant expression}}
  __asm__("xorl %0,%2"
          : "=r"(i)
          : "0"(i), "M"(BelowMin)); // expected-error{{value '-1' out of range for constraint 'M'}}
  __asm__("xorl %0,%2"
          : "=r"(i)
          : "0"(i), "M"(AboveMax)); // expected-error{{value '4' out of range for constraint 'M'}}
  __asm__("xorl %0,%2"
          : "=r"(i)
          : "0"(i), "M"(2)); // expected-no-error
}

void N(int i, int j) {
  static const int BelowMin = -1;
  static const int AboveMax = 256;
  __asm__("xorl %0,%2"
          : "=r"(i)
          : "0"(i), "N"(j)); // expected-error{{constraint 'N' expects an integer constant expression}}
  __asm__("xorl %0,%2"
          : "=r"(i)
          : "0"(i), "N"(BelowMin)); // expected-error{{value '-1' out of range for constraint 'N'}}
  __asm__("xorl %0,%2"
          : "=r"(i)
          : "0"(i), "N"(AboveMax)); // expected-error{{value '256' out of range for constraint 'N'}}
  __asm__("xorl %0,%2"
          : "=r"(i)
          : "0"(i), "N"(128)); // expected-no-error
}

void O(int i, int j) {
  static const int BelowMin = -1;
  static const int AboveMax = 128;
  __asm__("xorl %0,%2"
          : "=r"(i)
          : "0"(i), "O"(j)); // expected-error{{constraint 'O' expects an integer constant expression}}
  __asm__("xorl %0,%2"
          : "=r"(i)
          : "0"(i), "O"(BelowMin)); // expected-error{{value '-1' out of range for constraint 'O'}}
  __asm__("xorl %0,%2"
          : "=r"(i)
          : "0"(i), "O"(AboveMax)); // expected-error{{value '128' out of range for constraint 'O'}}
  __asm__("xorl %0,%2"
          : "=r"(i)
          : "0"(i), "O"(64)); // expected-no-error
}