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    • /[pkg-src]/trunk/openal/patches/openal-20060211-mmx.patch

    Annotation of /trunk/openal/patches/openal-20060211-mmx.patch

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    Revision 153 - (hide annotations) (download)
    Tue May 8 20:52:56 2007 UTC (17 years, 1 month ago) by niro
    File size: 569 byte(s) 
    -import
    1 niro 153 --- src/arch/i386/x86_floatmul.c
    2     +++ src/arch/i386/x86_floatmul.c
    3     @@ -27,6 +27,7 @@
    4     /* MMX routine needs 16 */
    5     #define SCALING_POWER 16
    6     #define SCALING_FACTOR (1 << SCALING_POWER)
    7     +#define MIN_ENTER_SIMD_LEN 48
    8    
    9     void _alFloatMul(ALshort *bpt, ALfloat sa, ALuint len);
    10    
    11     @@ -34,6 +35,8 @@
    12     ALint scaled_sa = sa * SCALING_FACTOR;
    13     ALint iter;
    14    
    15     + if (len < MIN_ENTER_SIMD_LEN)
    16     + goto skip_simd;
    17     #ifdef __MMX__
    18     if (_alHaveMMX()) {
    19     union {
    20     @@ -93,6 +96,7 @@
    21     __builtin_ia32_emms();
    22     }
    23     #endif /* __MMX__ */
    24     +skip_simd:
    25    
    26     while(len--) {
    27     iter = *bpt;