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-rw-r--r--postproc/swscale.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/postproc/swscale.c b/postproc/swscale.c
index 8ea2396c70..f40eccf207 100644
--- a/postproc/swscale.c
+++ b/postproc/swscale.c
@@ -71,10 +71,10 @@ static uint64_t __attribute__((aligned(8))) bm00001111=0x00000000FFFFFFFFLL;
static uint64_t __attribute__((aligned(8))) bm00000111=0x0000000000FFFFFFLL;
static uint64_t __attribute__((aligned(8))) bm11111000=0xFFFFFFFFFF000000LL;
-static uint64_t __attribute__((aligned(8))) b5Dither;
-static uint64_t __attribute__((aligned(8))) g5Dither;
-static uint64_t __attribute__((aligned(8))) g6Dither;
-static uint64_t __attribute__((aligned(8))) r5Dither;
+static volatile uint64_t __attribute__((aligned(8))) b5Dither;
+static volatile uint64_t __attribute__((aligned(8))) g5Dither;
+static volatile uint64_t __attribute__((aligned(8))) g6Dither;
+static volatile uint64_t __attribute__((aligned(8))) r5Dither;
static uint64_t __attribute__((aligned(8))) dither4[2]={
0x0103010301030103LL,