Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/gcc.dg/tree-ssa/backprop-6.c @ 131:84e7813d76e9
gcc-8.2
author | mir3636 |
---|---|
date | Thu, 25 Oct 2018 07:37:49 +0900 |
parents | 04ced10e8804 |
children |
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/* { dg-do compile } */ /* { dg-options "-O -fdump-tree-backprop-details" } */ void start (void *); void end (void *); /* Test that we optimize the contents of infinite loops. */ #define TEST_FUNCTION(TYPE, SUFFIX) \ void \ test##SUFFIX (TYPE *array, TYPE y, int n) \ { \ for (;;) \ { \ start (array); \ TYPE x = -__builtin_fabs##SUFFIX (array[-1]); \ for (int i = 0; i < n; ++i) \ x = -x / array[i]; \ array[-1] = x * x; \ array[-2] = __builtin_fma##SUFFIX (x, x, y); \ array[-3] = __builtin_pow##SUFFIX (x, 20); \ end (array); \ } \ } TEST_FUNCTION (float, f) TEST_FUNCTION (double, ) TEST_FUNCTION (long double, l) /* { dg-final { scan-tree-dump-times {Deleting[^\n]* = -} 6 "backprop" } } */ /* { dg-final { scan-tree-dump-times {Deleting[^\n]* = ABS_EXPR <} 3 "backprop" } } */