Mercurial > hg > CbC > CbC_gcc

annotate gcc/testsuite/gcc.dg/tree-ssa/slsr-23.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
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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111
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1 /* Verify straight-line strength reduction for multiply candidates
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2 with variable stride and control flow. */
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3
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4 /* { dg-do compile } */
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5 /* { dg-options "-O3 -fdump-tree-optimized" } */
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6
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7 int
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8 f (int n, int x, int stride)
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9 {
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10 int a, x1, x2, x3;
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11
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12 a = x * stride;
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13 x1 = x + 3;
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14 a += x1 * stride;
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15
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16 if (n > 64)
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17 {
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18 x2 = x1 + 3;
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19 a += x2 * stride;
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20 x3 = x2 + 3;
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21 a += x3 * stride;
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22 }
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23
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24 return a;
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25 }
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26
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27 /* { dg-final { scan-tree-dump-times " \\* stride" 1 "optimized" } } */
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28 /* { dg-final { scan-tree-dump-times " \\* 3" 1 "optimized" } } */