Viewing file:  vec-cvt-1.c (5.5 KB) -rw-r--r--
Select action/file-type:
 (+) |  (+) |  (+) | Code (+) | Session (+) |  (+) | SDB (+) |  (+) |  (+) |  (+) |  (+) |  (+) |
/* { dg-do run } */
/* This test is too big for small targets. */
/* { dg-require-effective-target size32plus } */
#include <stdlib.h>
#define N 1024
signed char sc[N];
short ss[N];
int si[N];
long long sl[N];
unsigned char uc[N];
unsigned short us[N];
unsigned int ui[N];
unsigned long long ul[N];
float f[N];
double d[N];
#define FN1(from, to) \
__attribute__((noinline, noclone)) void \
from##2##to (void) \
{ \
int i; \
for (i = 0; i < N; i++) \
to[i] = from[i]; \
}
#define FN(intt, fltt) FN1 (intt, fltt) FN1 (fltt, intt)
FN (sc, f)
FN (ss, f)
FN (si, f)
FN (sl, f)
FN (uc, f)
FN (us, f)
FN (ui, f)
FN (ul, f)
FN (sc, d)
FN (ss, d)
FN (si, d)
FN (sl, d)
FN (uc, d)
FN (us, d)
FN (ui, d)
FN (ul, d)
#define FLTTEST(min, max, intt) \
__attribute__((noinline, noclone)) void \
flttointtest##intt (void) \
{ \
int i; \
volatile float fltmin, fltmax, vf, vf2; \
volatile double dblmin, dblmax, vd, vd2; \
if (min == 0) \
fltmin = 0.0f; \
else \
{ \
vf2 = fltmin = min - 1.0f; \
for (vf = 1.0f; (fltmin = vf2 + vf) == vf2; vf = vf * 2.0f) \
; \
} \
vf2 = fltmax = max + 1.0f; \
for (vf = 1.0f; (fltmax = vf2 - vf) == vf2; vf = vf * 2.0f) \
; \
if (min == 0) \
dblmin = 0.0; \
else \
{ \
vd2 = dblmin = min - 1.0; \
for (vd = 1.0; (dblmin = vd2 + vd) == vd2; vd = vd * 2.0) \
; \
} \
vd2 = dblmax = max + 1.0; \
for (vd = 1.0; (dblmax = vd2 - vd) == vd2; vd = vd * 2.0) \
; \
for (i = 0; i < N; i++) \
{ \
asm (""); \
if (i == 0) \
f[i] = fltmin; \
else if (i < N / 4) \
f[i] = fltmin + i + 0.25f; \
else if (i < 3 * N / 4) \
f[i] = (fltmax + fltmin) / 2.0 - N * 8 + 16.0f * i; \
else \
f[i] = fltmax - N + 1 + i; \
if (f[i] < fltmin) f[i] = fltmin; \
if (f[i] > fltmax) f[i] = fltmax; \
if (i == 0) \
d[i] = dblmin; \
else if (i < N / 4) \
d[i] = dblmin + i + 0.25f; \
else if (i < 3 * N / 4) \
d[i] = (dblmax + dblmin) / 2.0 - N * 8 + 16.0f * i; \
else \
d[i] = dblmax - N + 1 + i; \
if (d[i] < dblmin) d[i] = dblmin; \
if (d[i] > dblmax) d[i] = dblmax; \
} \
f2##intt (); \
for (i = 0; i < N; i++) \
if (intt[i] != (__typeof (intt[0])) f[i]) \
abort (); \
d2##intt (); \
for (i = 0; i < N; i++) \
if (intt[i] != (__typeof (intt[0])) d[i]) \
abort (); \
for (i = 0; i < N; i++) \
{ \
unsigned long long r = rand (); \
r = (r << 21) ^ (unsigned) rand (); \
r = (r << 21) ^ (unsigned) rand (); \
asm (""); \
f[i] = (r >> 59) / 32.0f + (__typeof (intt[0])) r; \
if (f[i] < fltmin) f[i] = fltmin; \
if (f[i] > fltmax) f[i] = fltmax; \
d[i] = (r >> 59) / 32.0 + (__typeof (intt[0])) r; \
if (d[i] < dblmin) f[i] = dblmin; \
if (d[i] > dblmax) f[i] = dblmax; \
} \
f2##intt (); \
for (i = 0; i < N; i++) \
if (intt[i] != (__typeof (intt[0])) f[i]) \
abort (); \
d2##intt (); \
for (i = 0; i < N; i++) \
if (intt[i] != (__typeof (intt[0])) d[i]) \
abort (); \
} \
\
__attribute__((noinline, noclone)) void \
inttoflttest##intt (void) \
{ \
int i; \
volatile float vf; \
volatile double vd; \
for (i = 0; i < N; i++) \
{ \
asm (""); \
if (i < N / 4) \
intt[i] = min + i; \
else if (i < 3 * N / 4) \
intt[i] = (max + min) / 2 - N * 8 + 16 * i; \
else \
intt[i] = max - N + 1 + i; \
} \
intt##2f (); \
for (i = 0; i < N; i++) \
{ \
vf = intt[i]; \
if (f[i] != vf) \
abort (); \
} \
intt##2d (); \
for (i = 0; i < N; i++) \
{ \
vd = intt[i]; \
if (d[i] != vd) \
abort (); \
} \
for (i = 0; i < N; i++) \
{ \
unsigned long long r = rand (); \
r = (r << 21) ^ (unsigned) rand (); \
r = (r << 21) ^ (unsigned) rand (); \
asm (""); \
intt[i] = r; \
} \
intt##2f (); \
for (i = 0; i < N; i++) \
{ \
vf = intt[i]; \
if (f[i] != vf) \
abort (); \
} \
intt##2d (); \
for (i = 0; i < N; i++) \
{ \
vd = intt[i]; \
if (d[i] != vd) \
abort (); \
} \
}
FLTTEST (- __SCHAR_MAX__ - 1, __SCHAR_MAX__, sc)
FLTTEST (- __SHRT_MAX__ - 1, __SHRT_MAX__, ss)
FLTTEST (- __INT_MAX__ - 1, __INT_MAX__, si)
FLTTEST (- __LONG_LONG_MAX__ - 1LL, __LONG_LONG_MAX__, sl)
FLTTEST (0, 2U * __SCHAR_MAX__ + 1, uc)
FLTTEST (0, 2U * __SHRT_MAX__ + 1, us)
FLTTEST (0, 2U * __INT_MAX__ + 1, ui)
FLTTEST (0, 2ULL * __LONG_LONG_MAX__ + 1, ul)
int
main ()
{
flttointtestsc ();
flttointtestss ();
flttointtestsi ();
flttointtestsl ();
flttointtestuc ();
flttointtestus ();
flttointtestui ();
flttointtestul ();
inttoflttestsc ();
inttoflttestss ();
inttoflttestsi ();
inttoflttestsl ();
inttoflttestuc ();
inttoflttestus ();
inttoflttestui ();
inttoflttestul ();
return 0;
}
|
