1 | // |
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2 | // Cforall Version 1.0.0 Copyright (C) 2016 University of Waterloo |
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3 | // |
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4 | // The contents of this file are covered under the licence agreement in the |
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5 | // file "LICENCE" distributed with Cforall. |
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6 | // |
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7 | // gccExtensions.cfa -- |
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8 | // |
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9 | // Author : Peter A. Buhr |
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10 | // Created On : Sun Aug 14 17:28:17 2016 |
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11 | // Last Modified By : Peter A. Buhr |
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12 | // Last Modified On : Tue Nov 6 17:54:20 2018 |
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13 | // Update Count : 11 |
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14 | // |
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15 | |
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16 | extern int x asm( "xx" ); |
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17 | |
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18 | int main(int argc, char const *argv[]) { |
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19 | // asm extensions |
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20 | |
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21 | asm( "nop" ); |
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22 | __asm( "nop" ); |
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23 | __asm__( "nop" ); |
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24 | |
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25 | static int y asm( "yy" ); |
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26 | #ifdef __CFA__ |
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27 | static * int z asm( "zz" ); // CFA declaration |
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28 | #endif // __CFA__ |
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29 | |
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30 | int src; |
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31 | int dst; |
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32 | |
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33 | asm volatile ( "mov %1, %0\n\t" |
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34 | "add $1, %0" : : : ); |
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35 | |
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36 | asm volatile ( "mov %1, %0\n\t" |
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37 | "add $1, %0" |
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38 | : "=" "r" (dst)); |
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39 | |
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40 | asm volatile ( "mov %1, %0\n\t" |
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41 | "add $1, %0" |
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42 | : "=r" (dst) |
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43 | : "r" (src)); |
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44 | |
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45 | asm ( "mov %1, %0\n\t" |
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46 | "add $1, %0" |
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47 | : "=r" (dst), "=r" (src) |
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48 | : [src] "r" (dst) |
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49 | : "r0"); |
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50 | |
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51 | L1: L2: |
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52 | asm goto ( "frob %%r5, %1; jc %l[L1]; mov (%2), %%r5" |
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53 | : /* No outputs. */ |
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54 | : "r"(src), "r"(&dst) |
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55 | : "r5", "memory" |
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56 | : L1, L2 ); |
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57 | |
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58 | // alternative type/qualifer names |
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59 | |
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60 | __complex__ c1; |
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61 | _Complex c2; |
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62 | |
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63 | const int i1; |
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64 | __const int i2; |
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65 | __const__ int i3; |
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66 | |
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67 | __inline int f1() {} |
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68 | __inline__ int f2() {} |
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69 | |
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70 | __signed s1; |
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71 | __signed s2; |
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72 | |
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73 | __volatile int v1; |
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74 | __volatile__ int v2; |
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75 | |
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76 | // symbol table attributes |
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77 | |
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78 | __typeof(s1) t1; |
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79 | __typeof__(s1) t2; |
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80 | |
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81 | // strange extension qualifier |
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82 | |
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83 | __extension__ const int ex; |
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84 | struct S { |
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85 | __extension__ int a, b, c; |
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86 | }; |
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87 | int i = __extension__ 3; |
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88 | __extension__ int a, b, c; |
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89 | __extension__ a, __extension__ b, __extension__ c; |
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90 | __extension__ a = __extension__ b + __extension__ c; |
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91 | __extension__ a = __extension__ ( __extension__ b + __extension__ c ); |
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92 | |
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93 | // attributes |
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94 | |
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95 | __attribute__(()) int a1; |
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96 | const __attribute(()) int a2; |
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97 | const static __attribute(()) int a3; |
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98 | const static int __attribute(()) a4; |
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99 | const static int a5 __attribute(()); |
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100 | const static int a6, __attribute(()) a7; |
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101 | |
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102 | int * __attribute(()) p1; |
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103 | int (* __attribute(()) p2); |
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104 | // int (__attribute(()) (p3)); |
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105 | // int ( __attribute(()) (* __attribute(()) p4)); |
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106 | |
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107 | struct __attribute(()) s1; |
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108 | struct __attribute(()) s2 { int i; }; |
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109 | struct __attribute(()) s3 { int i; } x1, __attribute(()) y1; |
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110 | struct __attribute(()) s4 { int i; } x2, y2 __attribute(()); |
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111 | |
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112 | int m1 [10] __attribute(()); |
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113 | int m2 [10][10] __attribute(()); |
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114 | int __attribute(()) m3 [10][10]; |
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115 | // int ( __attribute(()) m4 [10] )[10]; |
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116 | |
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117 | return 0; |
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118 | } |
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119 | |
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120 | // Local Variables: // |
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121 | // tab-width: 4 // |
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122 | // compile-command: "cfa gccExtensions.cfa" // |
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123 | // End: // |
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