diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/atomic_ops/sysdeps/msftc/common32_defs.h | 19 |
1 files changed, 11 insertions, 8 deletions
diff --git a/src/atomic_ops/sysdeps/msftc/common32_defs.h b/src/atomic_ops/sysdeps/msftc/common32_defs.h index 646eaf3..ece41f7 100644 --- a/src/atomic_ops/sysdeps/msftc/common32_defs.h +++ b/src/atomic_ops/sysdeps/msftc/common32_defs.h @@ -1155,8 +1155,11 @@ AO_INLINE AO_TS_VAL_t AO_test_and_set_full(volatile AO_TS_t *addr) { - return (AO_TS_VAL_t)((unsigned char)_InterlockedExchange8( - (char volatile *)addr, AO_TS_SET)); + return (AO_TS_VAL_t)(_InterlockedExchange8((char volatile *)addr, + (AO_TS_t)AO_TS_SET) & 0xff); + /* Note: bitwise "and 0xff" is applied to the result because cast */ + /* to unsigned char does not work properly (for a reason) if /J */ + /* option is passed to the MS VC compiler. */ } # define AO_HAVE_test_and_set_full # endif /* !_M_ARM || _M_ARM >= 6 */ @@ -1169,24 +1172,24 @@ AO_INLINE AO_TS_VAL_t AO_test_and_set(volatile AO_TS_t *addr) { - return (AO_TS_VAL_t)((unsigned char)_InterlockedExchange8_nf( - (char volatile *)addr, AO_TS_SET)); + return (AO_TS_VAL_t)(_InterlockedExchange8_nf((char volatile *)addr, + (AO_TS_t)AO_TS_SET) & 0xff); } # define AO_HAVE_test_and_set AO_INLINE AO_TS_VAL_t AO_test_and_set_acquire(volatile AO_TS_t *addr) { - return (AO_TS_VAL_t)((unsigned char)_InterlockedExchange8_acq( - (char volatile *)addr, AO_TS_SET)); + return (AO_TS_VAL_t)(_InterlockedExchange8_acq((char volatile *)addr, + (AO_TS_t)AO_TS_SET) & 0xff); } # define AO_HAVE_test_and_set_acquire AO_INLINE AO_TS_VAL_t AO_test_and_set_release(volatile AO_TS_t *addr) { - return (AO_TS_VAL_t)((unsigned char)_InterlockedExchange8_rel( - (char volatile *)addr, AO_TS_SET)); + return (AO_TS_VAL_t)(_InterlockedExchange8_rel((char volatile *)addr, + (AO_TS_t)AO_TS_SET) & 0xff); } # define AO_HAVE_test_and_set_release # endif /* _M_ARM >= 6 || _M_ARM64 */ |