mirrors/cpython
1
0
Fork 0
mirror of https://github.com/python/cpython.git synced 2025-12-15 21:44:50 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 12

Issue #28126: Replace Py_MEMCPY with memcpy(). Visual Studio can properly optimize memcpy().

Browse source
This commit is contained in:
Christian Heimes 2016-09-13 20:22:02 +02:00
parent a4d9b17b1f
commit f051e43b22
14 changed files with 83 additions and 97 deletions
Download patch file Download diff file Expand all files Collapse all files

8
Modules/hashtable.h
View file

@ -43,26 +43,26 @@ typedef struct {
#define _Py_HASHTABLE_READ_KEY(TABLE, PKEY, DST_KEY) \
do { \
assert(sizeof(DST_KEY) == (TABLE)->key_size); \
Py_MEMCPY(&(DST_KEY), (PKEY), sizeof(DST_KEY)); \
memcpy(&(DST_KEY), (PKEY), sizeof(DST_KEY)); \
} while (0)
#define _Py_HASHTABLE_ENTRY_READ_KEY(TABLE, ENTRY, KEY) \
do { \
assert(sizeof(KEY) == (TABLE)->key_size); \
Py_MEMCPY(&(KEY), _Py_HASHTABLE_ENTRY_PKEY(ENTRY), sizeof(KEY)); \
memcpy(&(KEY), _Py_HASHTABLE_ENTRY_PKEY(ENTRY), sizeof(KEY)); \
} while (0)
#define _Py_HASHTABLE_ENTRY_READ_DATA(TABLE, ENTRY, DATA) \
do { \
assert(sizeof(DATA) == (TABLE)->data_size); \
Py_MEMCPY(&(DATA), _Py_HASHTABLE_ENTRY_PDATA(TABLE, (ENTRY)), \
memcpy(&(DATA), _Py_HASHTABLE_ENTRY_PDATA(TABLE, (ENTRY)), \
sizeof(DATA)); \
} while (0)
#define _Py_HASHTABLE_ENTRY_WRITE_DATA(TABLE, ENTRY, DATA) \
do { \
assert(sizeof(DATA) == (TABLE)->data_size); \
Py_MEMCPY((void *)_Py_HASHTABLE_ENTRY_PDATA((TABLE), (ENTRY)), \
memcpy((void *)_Py_HASHTABLE_ENTRY_PDATA((TABLE), (ENTRY)), \
&(DATA), sizeof(DATA)); \
} while (0)