Viewing file:  pr28982b.c (1.32 KB) -rw-r--r--
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/* { dg-require-stack-size "0x80100" } */
/* Like pr28982a.c, but with the spill slots outside the range of
a single sp-based load on ARM. This test tests for cases where
the addresses in the base and index reloads require further reloads. */
#define NITER 4
#define NVARS 20
#define MULTI(X) \
X( 0), X( 1), X( 2), X( 3), X( 4), X( 5), X( 6), X( 7), X( 8), X( 9), \
X(10), X(11), X(12), X(13), X(14), X(15), X(16), X(17), X(18), X(19)
#define DECLAREI(INDEX) inc##INDEX = incs[INDEX]
#define DECLAREF(INDEX) *ptr##INDEX = ptrs[INDEX], result##INDEX = 0
#define LOOP(INDEX) result##INDEX += *ptr##INDEX, ptr##INDEX += inc##INDEX
#define COPYOUT(INDEX) results[INDEX] = result##INDEX
float *ptrs[NVARS];
float results[NVARS];
int incs[NVARS];
struct big { int i[0x10000]; };
void __attribute__((noinline))
bar (struct big b)
{
incs[0] += b.i[0];
}
void __attribute__((noinline))
foo (int n)
{
struct big b = {};
int MULTI (DECLAREI);
float MULTI (DECLAREF);
while (n--)
MULTI (LOOP);
MULTI (COPYOUT);
bar (b);
}
float input[NITER * NVARS];
int
main (void)
{
int i;
for (i = 0; i < NVARS; i++)
ptrs[i] = input + i, incs[i] = i;
for (i = 0; i < NITER * NVARS; i++)
input[i] = i;
foo (NITER);
for (i = 0; i < NVARS; i++)
if (results[i] != i * NITER * (NITER + 1) / 2)
return 1;
return 0;
}
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