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annotate gcc/testsuite/gcc.dg/Wtype-limits-no.c @ 131:84e7813d76e9

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gcc-8.2
author mir3636
date Thu, 25 Oct 2018 07:37:49 +0900
parents 04ced10e8804
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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111
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1 /* Test disabling -Wtype-limits */
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2 /* { dg-do compile } */
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3 /* { dg-options "-Wextra -Wno-type-limits" } */
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4
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5
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6 void a (unsigned char x)
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7 {
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8 if (x < 0) return;/* { dg-bogus "comparison is always false due to limited range of data type" } */
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9 if (x >= 0) return;/* { dg-bogus "comparison is always true due to limited range of data type" } */
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10 if (0 > x) return;/* { dg-bogus "comparison is always false due to limited range of data type" } */
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11 if (0 <= x) return;/* { dg-bogus "comparison is always true due to limited range of data type" } */
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12 if (x <= 255) /* { dg-bogus "comparison is always true due to limited range of data type" } */
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13 return;
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14 if (255 >= x) /* { dg-bogus "comparison is always true due to limited range of data type" } */
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15 return;
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16 if ((int)x <= 255)
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17 return;
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18 if (255 >= (unsigned char) 1)
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19 return;
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20
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21 }
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22
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23 void b (unsigned short x)
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24 {
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25 if (x < 0) return;/* { dg-bogus "comparison is always false due to limited range of data type" } */
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26 if (x >= 0) return;/* { dg-bogus "comparison is always true due to limited range of data type" } */
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27 if (0 > x) return;/* { dg-bogus "comparison is always false due to limited range of data type" } */
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28 if (0 <= x) return;/* { dg-bogus "comparison is always true due to limited range of data type" } */
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29 }
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30
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31 void c (unsigned int x)
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32 {
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33 if (x < 0) return;/* { dg-bogus "comparison of unsigned expression < 0 is always false" } */
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34 if (x >= 0) return;/* { dg-bogus "comparison of unsigned expression >= 0 is always true" } */
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35 if (0 > x) return;/* { dg-bogus "comparison of unsigned expression < 0 is always false" } */
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36 if (0 <= x) return;/* { dg-bogus "comparison of unsigned expression >= 0 is always true" } */
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37 if (1U >= 0) return;
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38 if (1U < 0) return;
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39 if (0 <= 1U) return;
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40 if (0 > 1U) return;
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41 }
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42
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43 void d (unsigned long x)
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44 {
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45 if (x < 0) return;/* { dg-bogus "comparison of unsigned expression < 0 is always false" } */
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46 if (x >= 0) return;/* { dg-bogus "comparison of unsigned expression >= 0 is always true" } */
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47 if (0 > x) return;/* { dg-bogus "comparison of unsigned expression < 0 is always false" } */
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48 if (0 <= x) return;/* { dg-bogus "comparison of unsigned expression >= 0 is always true" } */
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49 }
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50
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51 void e (unsigned long long x)
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52 {
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53 if (x < 0) return;/* { dg-bogus "comparison of unsigned expression < 0 is always false" } */
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54 if (x >= 0) return;/* { dg-bogus "comparison of unsigned expression >= 0 is always true" } */
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55 if (0 > x) return;/* { dg-bogus "comparison of unsigned expression < 0 is always false" } */
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56 if (0 <= x) return;/* { dg-bogus "comparison of unsigned expression >= 0 is always true" } */
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57 }
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58
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59 int test (int x)
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60 {
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61 if ((long long)x <= 0x123456789ABCLL)
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62 return 1;
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63 else
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64 return 0;
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65 }
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66