File: pr64434.c

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gcc-riscv64-unknown-elf 8.3.0.2019.08%2Bdfsg-1
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/* { dg-do compile } */
/* { dg-options "-O1 -fdump-rtl-expand-details" } */
/* { dg-skip-if "PR64886" { hppa*-*-hpux* } } */

#define N 256
int a1[N], a2[N], a3[N], a4[N];

void foo ()
{
  int i;
  for (i=0; i<N; i++) {
    int c;
    c = a3[i] + (a1[i] * a2[i]);
    a4[i] = c + 1;
    a1[i] = a2[i] - 1;
  }
}

/* { dg-final { scan-rtl-dump-times "Swap operands" 1 "expand" } } */