diff options
Diffstat (limited to 'Include')
-rw-r--r-- | Include/patchlevel.h | 8 | ||||
-rw-r--r-- | Include/pyport.h | 27 |
2 files changed, 29 insertions, 6 deletions
diff --git a/Include/patchlevel.h b/Include/patchlevel.h index 2d68638390..9644b1a024 100644 --- a/Include/patchlevel.h +++ b/Include/patchlevel.h @@ -17,13 +17,13 @@ /* Version parsed out into numeric values */ /*--start constants--*/ #define PY_MAJOR_VERSION 3 -#define PY_MINOR_VERSION 6 +#define PY_MINOR_VERSION 7 #define PY_MICRO_VERSION 0 -#define PY_RELEASE_LEVEL PY_RELEASE_LEVEL_BETA -#define PY_RELEASE_SERIAL 4 +#define PY_RELEASE_LEVEL PY_RELEASE_LEVEL_ALPHA +#define PY_RELEASE_SERIAL 0 /* Version as a string */ -#define PY_VERSION "3.6.0b4+" +#define PY_VERSION "3.7.0a0" /*--end constants--*/ /* Version as a single 4-byte hex number, e.g. 0x010502B2 == 1.5.2b2. diff --git a/Include/pyport.h b/Include/pyport.h index 20f3db7481..f7a16b264b 100644 --- a/Include/pyport.h +++ b/Include/pyport.h @@ -490,13 +490,36 @@ extern "C" { * typedef int T1 Py_DEPRECATED(2.4); * extern int x() Py_DEPRECATED(2.5); */ -#if defined(__GNUC__) && ((__GNUC__ >= 4) || \ - (__GNUC__ == 3) && (__GNUC_MINOR__ >= 1)) +#if defined(__GNUC__) \ + && ((__GNUC__ >= 4) || (__GNUC__ == 3) && (__GNUC_MINOR__ >= 1)) #define Py_DEPRECATED(VERSION_UNUSED) __attribute__((__deprecated__)) #else #define Py_DEPRECATED(VERSION_UNUSED) #endif + +/* _Py_HOT_FUNCTION + * The hot attribute on a function is used to inform the compiler that the + * function is a hot spot of the compiled program. The function is optimized + * more aggressively and on many target it is placed into special subsection of + * the text section so all hot functions appears close together improving + * locality. + * + * Usage: + * int _Py_HOT_FUNCTION x() { return 3; } + * + * Issue #28618: This attribute must not be abused, otherwise it can have a + * negative effect on performance. Only the functions were Python spend most of + * its time must use it. Use a profiler when running performance benchmark + * suite to find these functions. + */ +#if defined(__GNUC__) \ + && ((__GNUC__ >= 5) || (__GNUC__ == 4) && (__GNUC_MINOR__ >= 3)) +#define _Py_HOT_FUNCTION __attribute__((hot)) +#else +#define _Py_HOT_FUNCTION +#endif + /************************************************************************** Prototypes that are missing from the standard include files on some systems (and possibly only some versions of such systems.) |