diff options
Diffstat (limited to 'gcc-4.8/gcc/testsuite/gcc.target/powerpc/quad-atomic.c')
-rw-r--r-- | gcc-4.8/gcc/testsuite/gcc.target/powerpc/quad-atomic.c | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/gcc-4.8/gcc/testsuite/gcc.target/powerpc/quad-atomic.c b/gcc-4.8/gcc/testsuite/gcc.target/powerpc/quad-atomic.c new file mode 100644 index 000000000..6cf278852 --- /dev/null +++ b/gcc-4.8/gcc/testsuite/gcc.target/powerpc/quad-atomic.c @@ -0,0 +1,67 @@ +/* { dg-do run { target { powerpc*-*-linux* && lp64 } } } */ +/* { dg-skip-if "" { powerpc*-*-darwin* } { "*" } { "" } } */ +/* { dg-skip-if "" { powerpc*-*-*spe* } { "*" } { "" } } */ +/* { dg-require-effective-target p8vector_hw } */ +/* { dg-options "-mcpu=power8 -O2" } */ + +/* Test whether we get the right bits for quad word atomic instructions. */ +#include <stdlib.h> + +static __int128_t quad_fetch_and (__int128_t *, __int128_t value) __attribute__((__noinline__)); +static __int128_t quad_fetch_or (__int128_t *, __int128_t value) __attribute__((__noinline__)); +static __int128_t quad_fetch_add (__int128_t *, __int128_t value) __attribute__((__noinline__)); + +static __int128_t +quad_fetch_and (__int128_t *ptr, __int128_t value) +{ + return __atomic_fetch_and (ptr, value, __ATOMIC_ACQUIRE); +} + +static __int128_t +quad_fetch_or (__int128_t *ptr, __int128_t value) +{ + return __atomic_fetch_or (ptr, value, __ATOMIC_ACQUIRE); +} + +static __int128_t +quad_fetch_add (__int128_t *ptr, __int128_t value) +{ + return __atomic_fetch_add (ptr, value, __ATOMIC_ACQUIRE); +} + +int +main (void) +{ + __int128_t result; + __int128_t value; + __int128_t and_input = ((((__int128_t) 0x1234567890abcdefULL) << 64) | ((__int128_t) 0xfedcba0987654321ULL)); + __int128_t and_value = ((((__int128_t) 0xfffffffffffffff0ULL) << 64) | ((__int128_t) 0xfffffffffffffff0ULL)); + __int128_t and_exp = ((((__int128_t) 0x1234567890abcde0ULL) << 64) | ((__int128_t) 0xfedcba0987654320ULL)); + + __int128_t or_input = ((((__int128_t) 0x1234567890abcdefULL) << 64) | ((__int128_t) 0xfedcba0987654321ULL)); + __int128_t or_value = ((((__int128_t) 0x0000000000000010ULL) << 64) | ((__int128_t) 0x000000000000000eULL)); + __int128_t or_exp = ((((__int128_t) 0x1234567890abcdffULL) << 64) | ((__int128_t) 0xfedcba098765432fULL)); + + __int128_t add_input = ((((__int128_t) 0x1234567890abcdefULL) << 64) | ((__int128_t) 0xfedcba0987654321ULL)); + __int128_t add_value = ((((__int128_t) 0x0000000001000000ULL) << 64) | ((__int128_t) 0x0000001000000000ULL)); + __int128_t add_exp = ((((__int128_t) 0x1234567891abcdefULL) << 64) | ((__int128_t) 0xfedcba1987654321ULL)); + + + value = and_input; + result = quad_fetch_and (&value, and_value); + if (result != and_input || value != and_exp) + abort (); + + value = or_input; + result = quad_fetch_or (&value, or_value); + if (result != or_input || value != or_exp) + abort (); + + value = add_input; + result = quad_fetch_add (&value, add_value); + if (result != add_input || value != add_exp) + abort (); + + return 0; +} + |