diff options
Diffstat (limited to 'lib/clang/3.6/include/htmintrin.h')
-rw-r--r-- | lib/clang/3.6/include/htmintrin.h | 95 |
1 files changed, 95 insertions, 0 deletions
diff --git a/lib/clang/3.6/include/htmintrin.h b/lib/clang/3.6/include/htmintrin.h index 4598ee0..0088c7c 100644 --- a/lib/clang/3.6/include/htmintrin.h +++ b/lib/clang/3.6/include/htmintrin.h @@ -128,4 +128,99 @@ typedef uintptr_t tfhar_t; #endif /* __powerpc */ +#ifdef __s390__ + +/* Condition codes generated by tbegin */ +#define _HTM_TBEGIN_STARTED 0 +#define _HTM_TBEGIN_INDETERMINATE 1 +#define _HTM_TBEGIN_TRANSIENT 2 +#define _HTM_TBEGIN_PERSISTENT 3 + +/* The abort codes below this threshold are reserved for machine use. */ +#define _HTM_FIRST_USER_ABORT_CODE 256 + +/* The transaction diagnostic block is it is defined in the Principles + of Operation chapter 5-91. */ + +struct __htm_tdb { + unsigned char format; /* 0 */ + unsigned char flags; + unsigned char reserved1[4]; + unsigned short nesting_depth; + unsigned long long abort_code; /* 8 */ + unsigned long long conflict_token; /* 16 */ + unsigned long long atia; /* 24 */ + unsigned char eaid; /* 32 */ + unsigned char dxc; + unsigned char reserved2[2]; + unsigned int program_int_id; + unsigned long long exception_id; /* 40 */ + unsigned long long bea; /* 48 */ + unsigned char reserved3[72]; /* 56 */ + unsigned long long gprs[16]; /* 128 */ +} __attribute__((__packed__, __aligned__ (8))); + + +/* Helper intrinsics to retry tbegin in case of transient failure. */ + +static __inline int __attribute__((__always_inline__, __nodebug__)) +__builtin_tbegin_retry_null (int retry) +{ + int cc, i = 0; + + while ((cc = __builtin_tbegin(0)) == _HTM_TBEGIN_TRANSIENT + && i++ < retry) + __builtin_tx_assist(i); + + return cc; +} + +static __inline int __attribute__((__always_inline__, __nodebug__)) +__builtin_tbegin_retry_tdb (void *tdb, int retry) +{ + int cc, i = 0; + + while ((cc = __builtin_tbegin(tdb)) == _HTM_TBEGIN_TRANSIENT + && i++ < retry) + __builtin_tx_assist(i); + + return cc; +} + +#define __builtin_tbegin_retry(tdb, retry) \ + (__builtin_constant_p(tdb == 0) && tdb == 0 ? \ + __builtin_tbegin_retry_null(retry) : \ + __builtin_tbegin_retry_tdb(tdb, retry)) + +static __inline int __attribute__((__always_inline__, __nodebug__)) +__builtin_tbegin_retry_nofloat_null (int retry) +{ + int cc, i = 0; + + while ((cc = __builtin_tbegin_nofloat(0)) == _HTM_TBEGIN_TRANSIENT + && i++ < retry) + __builtin_tx_assist(i); + + return cc; +} + +static __inline int __attribute__((__always_inline__, __nodebug__)) +__builtin_tbegin_retry_nofloat_tdb (void *tdb, int retry) +{ + int cc, i = 0; + + while ((cc = __builtin_tbegin_nofloat(tdb)) == _HTM_TBEGIN_TRANSIENT + && i++ < retry) + __builtin_tx_assist(i); + + return cc; +} + +#define __builtin_tbegin_retry_nofloat(tdb, retry) \ + (__builtin_constant_p(tdb == 0) && tdb == 0 ? \ + __builtin_tbegin_retry_nofloat_null(retry) : \ + __builtin_tbegin_retry_nofloat_tdb(tdb, retry)) + +#endif /* __s390__ */ + #endif /* __HTMINTRIN_H */ |