annotate gcc/testsuite/gcc.dg/Wconversion-real-integer.c @ 158:494b0b89df80 default tip

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author Shinji KONO <kono@ie.u-ryukyu.ac.jp>
date Mon, 25 May 2020 18:13:55 +0900
parents 04ced10e8804
children
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111
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1 /* Test for diagnostics for Wconversion between floating-point and
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2 integers. */
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3
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4 /* { dg-do compile } */
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5 /* { dg-skip-if "doubles are floats,ints are 16bits" { "avr-*-*" } } */
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6 /* { dg-options "-std=c99 -Wconversion" } */
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7 /* { dg-require-effective-target int32plus } */
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8 /* { dg-require-effective-target double64plus } */
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9 #include <limits.h>
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10
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11 void fsi (signed int x);
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12 void fui (unsigned int x);
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13 void ffloat (float x);
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14 void fdouble (double x);
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15
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16 float vfloat;
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17 double vdouble;
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18
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19 void h (void)
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20 {
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21 unsigned int ui = 3;
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22 int si = 3;
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23 unsigned char uc = 3;
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24 signed char sc = 3;
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25 float f = 3;
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26 double d = 3;
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27
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28 fsi (3.1f); /* { dg-warning "conversion" } */
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29 si = 3.1f; /* { dg-warning "conversion" } */
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30 fsi (3.1); /* { dg-warning "conversion" } */
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31 si = 3.1; /* { dg-warning "conversion" } */
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32 fsi (d); /* { dg-warning "conversion" } */
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33 si = d; /* { dg-warning "conversion" } */
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34 fui (-1.0); /* { dg-warning "overflow" } */
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35 ui = -1.0; /* { dg-warning "overflow" } */
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36 ffloat (INT_MAX); /* { dg-warning "conversion" } */
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37 vfloat = INT_MAX; /* { dg-warning "conversion" } */
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38 ffloat (16777217); /* { dg-warning "conversion" } */
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39 vfloat = 16777217; /* { dg-warning "conversion" } */
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40 ffloat (si); /* { dg-warning "conversion" } */
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41 vfloat = si; /* { dg-warning "conversion" } */
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42 ffloat (ui); /* { dg-warning "conversion" } */
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43 vfloat = ui; /* { dg-warning "conversion" } */
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44
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45 fsi (3);
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46 si = 3;
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47 fsi (3.0f);
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48 si = 3.0f;
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49 fsi (3.0);
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50 si = 3.0;
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51 fsi (16777217.0f);
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52 si = 16777217.0f;
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53 fsi ((int) 3.1);
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54 si = (int) 3.1;
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55 ffloat (3U);
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56 vfloat = 3U;
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57 ffloat (3);
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58 vfloat = 3;
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59 ffloat (INT_MIN);
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60 vfloat = INT_MIN;
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61 ffloat (uc);
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62 vfloat = uc;
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63 ffloat (sc);
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64 vfloat = sc;
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65
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66 fdouble (UINT_MAX);
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67 vdouble = UINT_MAX;
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68 fdouble (ui);
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69 vdouble = ui;
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70 fdouble (si);
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71 vdouble = si;
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72 }
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73
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74
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75 void fss (signed short x);
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76 void fus (unsigned short x);
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77 void fsc (signed char x);
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78 void fuc (unsigned char x);
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79
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80 void h2 (void)
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81 {
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82 unsigned short int us;
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83 short int ss;
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84 unsigned char uc;
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85 signed char sc;
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86
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87 fss (4294967294.0); /* { dg-warning "conversion" } */
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88 ss = 4294967294.0; /* { dg-warning "conversion" } */
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89 fss (-4294967294.0); /* { dg-warning "conversion" } */
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90 ss = -4294967294.0; /* { dg-warning "conversion" } */
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91 fus (4294967294.0); /* { dg-warning "conversion" } */
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92 us = 4294967294.0; /* { dg-warning "conversion" } */
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93 fus (-4294967294.0); /* { dg-warning "conversion" } */
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94 us = -4294967294.0; /* { dg-warning "conversion" } */
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95
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96 fsc (500.0); /* { dg-warning "conversion" } */
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97 sc = 500.0; /* { dg-warning "conversion" } */
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98 fsc (-500.0); /* { dg-warning "conversion" } */
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99 sc = -500.0; /* { dg-warning "conversion" } */
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100 fuc (500.0); /* { dg-warning "conversion" } */
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101 uc = 500.0; /* { dg-warning "conversion" } */
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102 fuc (-500.0); /* { dg-warning "conversion" } */
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103 uc = -500.0; /* { dg-warning "conversion" } */
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104
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105 fss (500.0);
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106 ss = 500.0;
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107 fss (-500.0);
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108 ss = -500.0;
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109 fus (500.0);
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110 us = 500.0;
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111 fus (-500.0); /* { dg-warning "conversion" } */
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112 us = -500.0; /* { dg-warning "conversion" } */
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113 }