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Bug 1764 - Integer Precision Loss During Compilation
Summary: Integer Precision Loss During Compilation
Status: RESOLVED FIXED
Alias: None
Product: SDL
Classification: Unclassified
Component: *don't know* (show other bugs)
Version: HG 2.0
Hardware: x86_64 Other
: P2 minor
Assignee: Ryan C. Gordon
QA Contact: Sam Lantinga
URL:
Keywords:
Depends on:
Blocks:
 
Reported: 2013-03-19 17:47 UTC by Phil Sampson
Modified: 2013-03-20 01:03 UTC (History)
0 users

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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