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annotate gcc/testsuite/gcc.dg/20150120-2.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 /* { dg-do compile } */
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2 /* { dg-options "-O2 -fdump-tree-original" } */
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3
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4 /* x & ~(x & y) -> x & ~y */
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5 int fn1 (int x, int y)
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6 {
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7 return x & ~(x & y);
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8 }
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9 int fn2 (int x, int y)
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10 {
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11 return ~(x & y) & x;
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12 }
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13 int fn3 (int x, int y)
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14 {
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15 return x & ~(y & x);
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16 }
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17 int fn4 (int x, int y)
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18 {
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19 return ~(y & x) & x;
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20 }
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21 int fn5 (int z)
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22 {
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23 return z & ~(z & 3);
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24 }
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25 int fn6 (int z)
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26 {
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27 return ~(z & 3) & z;
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28 }
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29
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30
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31 /* { dg-final { scan-tree-dump-times "~y & x" 4 "original" } } */
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32 /* { dg-final { scan-tree-dump-times "z & -4" 2 "original" } } */