Viewing file:  sshr64_1.c (2.11 KB) -rw-r--r--
Select action/file-type:
 (+) |  (+) |  (+) | Code (+) | Session (+) |  (+) | SDB (+) |  (+) |  (+) |  (+) |  (+) |  (+) |
/* Test SIMD shift works correctly. */
/* { dg-do run } */
/* { dg-options "-O3 --save-temps" } */
#include "arm_neon.h"
extern void abort (void);
int __attribute__ ((noinline))
test_sshr64 ()
{
int64x1_t arg;
int64x1_t result;
int64_t got;
int64_t exp;
arg = vcreate_s64 (0x0000000080000000);
result = vshr_n_s64 (arg, 64);
got = vget_lane_s64 (result, 0);
exp = 0;
/* Expect: "result" = 0000000000000000. */
if (exp != got)
return 1;
return 0;
}
int __attribute__ ((noinline))
test_sshr64_neg ()
{
int64x1_t arg;
int64x1_t result;
int64_t got;
int64_t exp;
arg = vcreate_s64 (0xffffffff80000000);
result = vshr_n_s64 (arg, 64);
got = vget_lane_s64 (result, 0);
exp = 0xffffffffffffffff;
/* Expect: "result" = -1. */
if (exp != got)
return 1;
return 0;
}
int
__attribute__ ((noinline))
test_other ()
{
int64x1_t arg;
int64x1_t result;
int64_t got;
int64_t exp;
arg = vcreate_s64 (0x0000000080000000);
result = vshr_n_s64 (arg, 4);
got = vget_lane_s64 (result, 0);
exp = 0x0000000008000000;
/* Expect: "result" = 0x0000000008000000. */
if (exp != got)
return 1;
return 0;
}
int __attribute__ ((noinline))
test_other_neg ()
{
int64x1_t arg;
int64x1_t result;
int64_t got;
int64_t exp;
arg = vcreate_s64 (0xffffffff80000000);
result = vshr_n_s64 (arg, 4);
got = vget_lane_s64 (result, 0);
exp = 0xfffffffff8000000;
/* Expect: "result" = 0xfffffffff8000000. */
if (exp != got)
return 1;
return 0;
}
int __attribute__ ((noinline))
test_no_sshr0 ()
{
int64x1_t arg;
int64x1_t result;
int64_t got;
int64_t exp;
arg = vcreate_s64 (0x0000000080000000);
result = vshr_n_s64 (arg, 0);
got = vget_lane_s64 (result, 0);
exp = 0x0000000080000000;
/* Expect: "result" = 0x0000000080000000. */
if (exp != got)
return 1;
return 0;
}
/* { dg-final { scan-assembler-not "sshr\\td\[0-9\]+, d\[0-9\]+, 0" } } */
int
main ()
{
if (test_sshr64 ())
abort ();
if (test_other ())
abort ();
if (test_sshr64_neg ())
abort ();
if (test_other_neg ())
abort ();
if (test_no_sshr0 ())
abort ();
return 0;
}
|
