qdm2: avoid integer overflow

[ffmpeg] / libavcodec / arm / hpeldsp_armv6.S

diff --git a/libavcodec/arm/hpeldsp_armv6.S b/libavcodec/arm/hpeldsp_armv6.S
index f85c8cb82cddbba09dc5432b7528ebe1a47b76e4..f1abc328ebc664337181feea1f6bf038ecb90dfe 100644 (file)
--- a/libavcodec/arm/hpeldsp_armv6.S
+++ b/libavcodec/arm/hpeldsp_armv6.S
@@ -144,10 +144,11 @@ function ff_put_pixels8_y2_armv6, export=1
         eor             r7,  r5,  r7
         uadd8           r10, r10, r6
         and             r7,  r7,  r12
-        ldr_pre         r6,  r1,  r2
+        ldrc_pre        ne,  r6,  r1,  r2
         uadd8           r11, r11, r7
         strd_post       r8,  r9,  r0,  r2
-        ldr             r7,  [r1, #4]
+        it              ne
+        ldrne           r7,  [r1, #4]
         strd_post       r10, r11, r0,  r2
         bne             1b
 
@@ -196,9 +197,10 @@ function ff_put_pixels8_y2_no_rnd_armv6, export=1
         uhadd8          r9,  r5,  r7
         ldr             r5,  [r1, #4]
         uhadd8          r12, r4,  r6
-        ldr_pre         r6,  r1,  r2
+        ldrc_pre        ne,  r6,  r1,  r2
         uhadd8          r14, r5,  r7
-        ldr             r7,  [r1, #4]
+        it              ne
+        ldrne           r7,  [r1, #4]
         stm             r0,  {r8,r9}
         add             r0,  r0,  r2
         stm             r0,  {r12,r14}