Scott LaVarnway
2468163e07
Code clean of sub_pixel_variance4xh
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Replace MMX with SSE2.
Change-Id: Ia8fcba755952804e347d7d7736f57d1f90c988a0
2016-05-18 04:24:41 -07:00
Alex Converse
a68b24fdee
Tweak casts on vpx_sub_pixel_variance to avoid implicit overflow.
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Change-Id: I481eb271b082fa3497b0283f37d9b4d1f6de270c
2016-04-27 16:37:18 -07:00
Alex Converse
6c4007be1c
Be explicit about overflow in vpx_variance16x16_sse2.
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The product always fits in uint32_t, but the operands don't.
An optimizing compiler should generate the wraparound code.
(Verified with clang).
Change-Id: I25eb64df99152992bc898b8ccbb01d55c8d16e3c
2016-04-27 15:22:17 -07:00
Alex Converse
ccb894ce73
Remove casts on < 16x16 variance.
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These blocks will never overflow since max sum is +/-255*w*h.
Change-Id: Ia2c630339fd9cfb411b56b6040ff402095f12a2e
2016-04-27 15:21:58 -07:00
Johann
6a82f0d7fb
Move sub pixel variance to vpx_dsp
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Change-Id: I66bf6720c396c89aa2d1fd26d5d52bf5d5e3dff1
2015-07-07 15:51:04 -07:00
Johann
c3bdffb0a5
Move variance functions to vpx_dsp
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subpel functions will be moved in another patch.
Change-Id: Idb2e049bad0b9b32ac42cc7731cd6903de2826ce
2015-05-26 12:01:52 -07:00
