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Eliminate a common subexpression in YPixel()

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Save the value of a common subexpression in a local variable.

Change-Id: I5724fcf341900cb2a65eb37b505194b8d3c3da9a
Reviewed-on: https://chromium-review.googlesource.com/c/libyuv/libyuv/+/4735651
Reviewed-by: Frank Barchard <fbarchard@chromium.org>
Commit-Queue: Wan-Teh Chang <wtc@google.com>
This commit is contained in:
Wan-Teh Chang 2023-07-31 13:00:00 -07:00 committed by libyuv LUCI CQ
parent c60ac4025c
commit a8a37a25c9
1 changed files with 4 additions and 3 deletions
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7
source/row_common.cc
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@ -1875,9 +1875,10 @@ static __inline void YPixel(uint8_t y,
int yg = yuvconstants->kYToRgb[0];
#endif
uint32_t y1 = (uint32_t)(y * 0x0101 * yg) >> 16;
*b = STATIC_CAST(uint8_t, Clamp(((int32_t)(y1) + ygb) >> 6));
*g = STATIC_CAST(uint8_t, Clamp(((int32_t)(y1) + ygb) >> 6));
*r = STATIC_CAST(uint8_t, Clamp(((int32_t)(y1) + ygb) >> 6));
uint8_t b8 = STATIC_CAST(uint8_t, Clamp(((int32_t)(y1) + ygb) >> 6));
*b = b8;
*g = b8;
*r = b8;
}
void I444ToARGBRow_C(const uint8_t* src_y,