gcc-4.9/gcc/testsuite/gcc.target/i386/pr57410.c


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/* { dg-do compile } */
/* { dg-options "-O -fpeel-loops" } */

extern char outbuffer[];
extern char buffer[];

void foo(int j)
{
  unsigned i, fp = fp;
  for (i = 0; i < 6; i++)
    buffer[j++] = outbuffer[fp - i];
}