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There's a bug in the VC7 optimizer relating to the duff loop optimiza…

…tion
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slouken committed Dec 2, 2002
1 parent dca396b commit 2c3710c52bc42b148d11d4381a453bff3921313a
Showing with 4 additions and 0 deletions.
  1. +4 −0 src/video/SDL_blit.h
@@ -375,7 +375,11 @@ do { \
} while(0)

/* This is a very useful loop for optimizing blitters */
#if defined(_MSC_VER) && (_MSC_VER == 1300)
/* There's a bug in the Visual C++ 7 optimizer when compiling this code */
#else
#define USE_DUFFS_LOOP
#endif
#ifdef USE_DUFFS_LOOP

/* 8-times unrolled loop */

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