ab0e7a237a
The value 35468 changes sign when stored in int16_t: implicit conversion from 'int' to 'int16_t' (aka 'short') changes value from 35468 to -30068 This negation requires adding back the original value to compensate. Shifting the value keeps the value positive and saves a post-vqdmulh shift. This technique is used in webp and idct_dequant_full_2x_neon BUG=b/28027557 Change-Id: I0c5ce09bea170fe08061856c2af6f841a557e0c3 |
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loopfilter_arm.c |