shithub: dav1d

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ref: 9d34160a4a8b675f29d6398416f67d721a7c54b5
parent: 4dd943156dba5e182cee8d5fda764ab1c8537eae
author: Henrik Gramner <[email protected]>
date: Tue Mar 31 19:36:10 EDT 2020

Align dav1d_resize_filter[]

Ensure that unaligned memory access overhead is avoided.

--- a/src/tables.c
+++ b/src/tables.c
@@ -636,7 +636,7 @@
     W( 0, 0, 0,   0,   2, 127, - 1, 0 ),
 };
 
-const int8_t dav1d_resize_filter[64][8] = {
+const int8_t ALIGN(dav1d_resize_filter[64][8], 8) = {
     { 0,  0,  0, -128,    0,  0,  0, 0 }, { 0,  0,  1, -128,   -2,  1,  0, 0 },
     { 0, -1,  3, -127,   -4,  2, -1, 0 }, { 0, -1,  4, -127,   -6,  3, -1, 0 },
     { 0, -2,  6, -126,   -8,  3, -1, 0 }, { 0, -2,  7, -125,  -11,  4, -1, 0 },