generic-library/vpx
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

changed to comply with strict aliasing rule

Browse Source 
The clamp operation may not affect the values of the final assigned mv
where compiler may make use of strict aliasing rule to optimize out the
clamp operation. This change made the code segments to better comply
the strict aliasing rule.

Change-Id: I24502ff18bd4f9e62507a879cc8760a91a0fd07e
This commit is contained in:
Yaowu Xu 2013-10-28 09:02:42 -07:00
parent 03b2ae16f2
commit 502912de3a
1 changed files with 2 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
vp8/decoder/decodemv.c
View File

@ -512,15 +512,15 @@ static void read_mb_modes_mv(VP8D_COMP *pbi, MODE_INFO *mi, MB_MODE_INFO *mbmi)
else
{
mbmi->mode = NEARMV;
vp8_clamp_mv2(&near_mvs[CNT_NEAR], &pbi->mb);
mbmi->mv.as_int = near_mvs[CNT_NEAR].as_int;
vp8_clamp_mv2(&mbmi->mv, &pbi->mb);
}
}
else
{
mbmi->mode = NEARESTMV;
vp8_clamp_mv2(&near_mvs[CNT_NEAREST], &pbi->mb);
mbmi->mv.as_int = near_mvs[CNT_NEAREST].as_int;
vp8_clamp_mv2(&mbmi->mv, &pbi->mb);
}
}
else