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Bug 1764

Summary: Integer Precision Loss During Compilation
Product: SDL Reporter: Phil Sampson <ptsampson>
Component: *don't know*Assignee: Ryan C. Gordon <icculus>
Status: RESOLVED FIXED QA Contact: Sam Lantinga <slouken>
Severity: minor    
Priority: P2    
Version: HG 2.0   
Hardware: x86_64   
OS: Other   

Description Phil Sampson 2013-03-19 17:47:32 UTC 
Macbook Pro Retina
OSX 10.8

/Library/Frameworks/SDL2.framework/Headers/SDL_stdinc.h:345:28: Implicit conversion loses integer precision: 'size_t' (aka 'unsigned long') to 'unsigned int'

#if defined(__GNUC__) && defined(i386)
    int u0, u1, u2;
    __asm__ __volatile__ (
        "cld \n\t"
        "rep ; stosl \n\t"
        : "=&D" (u0), "=&a" (u1), "=&c" (u2)
        : "0" (dst), "1" (val), "2" (SDL_static_cast(Uint32, len))
        : "memory"
    );
/* !!! FIXME: amd64? */
#else
    unsigned int _count = (len);     <<<<<<<=============
    unsigned int _n = (_count + 3) / 4;
    Uint32 *_p = SDL_static_cast(Uint32 *, dst);
    Uint32 _val = (val);
    if (len == 0)
        return;
    switch (_count % 4)
    {
        case 0: do {    *_p++ = _val;
        case 3:         *_p++ = _val;
        case 2:         *_p++ = _val;
        case 1:         *_p++ = _val;
        } while ( --_n );
    }
#endif
Comment 1 Sam Lantinga 2013-03-20 01:03:37 UTC 
Fixed, thanks!
http://hg.libsdl.org/SDL/rev/e3cba60c0f0a