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annotate gcc/testsuite/gcc.dg/fold-div-1.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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1 /* { dg-do compile } */
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2 /* { dg-options "-O1 -funsafe-math-optimizations -fdump-tree-gimple" } */
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3
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4 float f(float x)
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5 {
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6 return x/2 + x/3;
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7 }
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8
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9 float g(float x)
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10 {
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11 return 2/x + 3/x;
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12 }
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13
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14 float h(float x)
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15 {
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16 return x/2 - x/3;
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17 }
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18
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19 float i(float x)
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20 {
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21 return 2/x - 3/x;
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22 }
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23
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24 /* f and h should be turned into multiplications,
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25 the divisions in g and i should be grouped together. */
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26
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27 /* { dg-final { scan-tree-dump-times " \\* " 2 "gimple" } } */
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28 /* { dg-final { scan-tree-dump-times " / " 2 "gimple" } } */
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