blob: 1bdb25de166b02e9b0298be6da35b41f3546d4c5 [file] [log] [blame]
/* This code is from the beginning of combine_reloads in reload.c in
GCC 3.1-20020117, with simplifications. It compiled incorrectly
for -O2 -fprefetch-loop-arrays for ix86 targets. */
/* { dg-do run } */
/* { dg-options "-O2 -fprefetch-loop-arrays -w" } */
/* { dg-options "-O2 -fprefetch-loop-arrays -mtune=pentium3 -w" { target i?86-*-* } } */
/* { dg-skip-if "" { i?86-*-* } { "-m64" } { "" } } */
struct reload
{
int first_member;
int out;
int final_member;
};
int n_reloads;
struct reload rld[10];
static int
combine_reloads ()
{
int i;
int output_reload = -1;
int secondary_out = -1;
for (i = 0; i < n_reloads; i++)
if (rld[i].out != 0)
{
if (output_reload >= 0)
return output_reload;
output_reload = i;
}
return output_reload;
}
int
main ()
{
n_reloads = 4;
rld[2].out = 2;
if (combine_reloads () != 2)
abort ();
exit (0);
}