view gcc/testsuite/g++.dg/ext/unroll-2.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 84e7813d76e9
children
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// { dg-do compile }
// { dg-options "-O2 -fdump-tree-cunrolli-details" }
// { dg-skip-if "range for" { *-*-* } { "-std=gnu++98" } { "" } }

void
foo (int (&a)[8], int *b, int *c)
{
#pragma GCC unroll 8
  for (int i : a)
    a[i] = b[i] * c[i];
}

// { dg-final { scan-tree-dump "loop with 8 iterations completely unrolled" "cunrolli" } }