• Christophe Gisquet's avatar
    x86: hevc_mc: better register allocation · 0810608e
    Christophe Gisquet authored
    The xmm reg count was incorrect, and manual loading of the gprs
    furthermore allows to noticeable reduce the number needed.
    
    The modified functions are used in weighted prediction, so only a
    few samples like WP_* exhibit a change. For this one and Win64
    (some widths removed because of too few occurrences):
    
    WP_A_Toshiba_3.bit, ff_hevc_put_hevc_uni_w
             16    32
    before: 2194  3872
    after:  2119  3767
    
    WP_B_Toshiba_3.bit, ff_hevc_put_hevc_bi_w
             16    32    64
    before: 2819  4960  9396
    after:  2617  4788  9150
    Signed-off-by: 's avatarMichael Niedermayer <michaelni@gmx.at>
    0810608e
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