From 502912de3ab0b9a1b6d66eece92443c146f8177c Mon Sep 17 00:00:00 2001
From: Yaowu Xu <yaowu@google.com>
Date: Mon, 28 Oct 2013 09:02:42 -0700
Subject: [PATCH] changed to comply with strict aliasing rule
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
---
vp8/decoder/decodemv.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/vp8/decoder/decodemv.c b/vp8/decoder/decodemv.c
index 759d842c3c..35a22c7de5 100644
--- a/vp8/decoder/decodemv.c
+++ b/vp8/decoder/decodemv.c
@@ -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
--
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