# SDL_ALTIVEC_INTRINSICS Defined if (and only if) the compiler supports PowerPC Altivec intrinsics. ## Header File Defined in [<SDL3/SDL_intrin.h>](https://github.com/libsdl-org/SDL/blob/main/include/SDL3/SDL_intrin.h) ## Syntax ```c #define SDL_ALTIVEC_INTRINSICS 1 ``` ## Remarks If this macro is defined, SDL will have already included `<altivec.h>` ## Version This macro is available since SDL 3.2.0. ---- [CategoryAPI](CategoryAPI), [CategoryAPIMacro](CategoryAPIMacro), [CategoryIntrinsics](CategoryIntrinsics)