From 2864dafcd2006826361ddf9e3b446dd65fd99025 Mon Sep 17 00:00:00 2001 From: "Ryan C. Gordon" Date: Sun, 3 Jun 2007 06:52:06 +0000 Subject: [PATCH] Use system memset/memcpy on Mac OS X, since Apple hand-tunes these for each processor they ship (and thus, it's likely to beat our code on PowerPC and Intel and whatever variants or new archs show up later). --- include/SDL_stdinc.h | 15 ++++++++++++--- 1 file changed, 12 insertions(+), 3 deletions(-) diff --git a/include/SDL_stdinc.h b/include/SDL_stdinc.h index 7e0346334..53d1288f0 100644 --- a/include/SDL_stdinc.h +++ b/include/SDL_stdinc.h @@ -234,7 +234,10 @@ extern DECLSPEC void SDLCALL SDL_qsort(void *base, size_t nmemb, size_t size, extern DECLSPEC void * SDLCALL SDL_memset(void *dst, int c, size_t len); #endif -#if defined(__GNUC__) && defined(i386) +/* We can count on memset existing on Mac OS X and being well-tuned. */ +#if defined(__MACH__) && defined(__APPLE__) +#define SDL_memset4(dst, val, len) memset(dst, val, (len)*4) +#elif defined(__GNUC__) && defined(i386) #define SDL_memset4(dst, val, len) \ do { \ int u0, u1, u2; \ @@ -263,7 +266,10 @@ do { \ } while(0) #endif -#if defined(__GNUC__) && defined(i386) +/* We can count on memcpy existing on Mac OS X and being well-tuned. */ +#if defined(__MACH__) && defined(__APPLE__) +#define SDL_memcpy(dst, src, len) memcpy(dst, src, len) +#elif defined(__GNUC__) && defined(i386) #define SDL_memcpy(dst, src, len) \ do { \ int u0, u1, u2; \ @@ -292,7 +298,10 @@ extern DECLSPEC void * SDLCALL SDL_memcpy(void *dst, const void *src, size_t len #endif #endif -#if defined(__GNUC__) && defined(i386) +/* We can count on memcpy existing on Mac OS X and being well-tuned. */ +#if defined(__MACH__) && defined(__APPLE__) +#define SDL_memcpy4(dst, src, len) memcpy(dst, src, (len)*4) +#elif defined(__GNUC__) && defined(i386) #define SDL_memcpy4(dst, src, len) \ do { \ int ecx, edi, esi; \