TheCloud/panda3d
1
0
Fork 0
mirror of https://github.com/panda3d/panda3d.git synced 2025-10-03 02:15:43 -04:00
Code Issues Packages Projects Releases Wiki Activity

add NODEFAULT macro for optimizing switch()

Browse Source
This commit is contained in:
cxgeorge 2002-02-22 22:55:02 +00:00
parent 0f68b4c9c0
commit 5cb7394301
1 changed files with 18 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

23
dtool/src/dtoolbase/dtoolbase.h
View File

@ -48,14 +48,27 @@
/* C4244: 'initializing' : conversion from 'double' to 'float', possible loss of data */ /* C4244: 'initializing' : conversion from 'double' to 'float', possible loss of data */
#pragma warning (disable : 4244) #pragma warning (disable : 4244)
/* #if _MSC_VER >= 1300
#if _MSC_VER < 1300 #define USING_MSVC7
#pragma message("VC 6.0") //#pragma message("VC 7.0")
#else #else
#pragma message("VC 7.0") // #pragma message("VC 6.0")
#endif #endif
*/
// Use NODEFAULT to optimize a switch() stmt to tell MSVC to automatically go to the final untested case
// after it has failed all the other cases (i.e. 'assume at least one of the cases is always true')
#ifdef _DEBUG
# define NODEFAULT default: assert(0);
#else
# define NODEFAULT default: __assume(0); // special VC keyword
#endif
#else /* if !WIN32_VC */
#ifdef _DEBUG
# define NODEFAULT default: assert(0);
#else
# define NODEFAULT
#endif
#endif /* WIN32_VC */ #endif /* WIN32_VC */
#if defined(USE_UNKNOWN_ALLOCATOR) && !defined(UNKNOWN_ALLOCATOR) #if defined(USE_UNKNOWN_ALLOCATOR) && !defined(UNKNOWN_ALLOCATOR)