Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/gcc.dg/tree-ssa/backprop-5.c @ 158:494b0b89df80 default tip
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author | Shinji KONO <kono@ie.u-ryukyu.ac.jp> |
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date | Mon, 25 May 2020 18:13:55 +0900 |
parents | 04ced10e8804 |
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/* { dg-do compile } */ /* { dg-options "-O -g -fdump-tree-backprop-details" } */ /* Test a loop that does both a multiplication and addition. The addition should prevent any sign ops from being removed. */ #define TEST_FUNCTION(TYPE, SUFFIX) \ TYPE \ test##SUFFIX (TYPE x, TYPE y, TYPE *array, int n) \ { \ x = __builtin_copysign##SUFFIX (x, y); \ for (int i = 0; i < n; ++i) \ x = (x + 1) * array[i]; \ return __builtin_hypot##SUFFIX (x, y); \ } TEST_FUNCTION (float, f) TEST_FUNCTION (double, ) TEST_FUNCTION (long double, l) /* { dg-final { scan-tree-dump-times {Deleting[^\n]* = __builtin_copysign} 0 "backprop" } } */