[libav-stable] arm: hpeldsp: fix put_pixels8_y2_{,no_rnd_}armv6

Janne Grunau git at libav.org
Sat Mar 8 18:53:44 CET 2014


Module: libav
Branch: master
Commit: 61985ad72c47bbb668f2d3923bf5c9df83e79323

Author:    Janne Grunau <janne-libav at jannau.net>
Committer: Janne Grunau <janne-libav at jannau.net>
Date:      Sat Mar  8 11:52:14 2014 +0100

arm: hpeldsp: fix put_pixels8_y2_{,no_rnd_}armv6

The overread avoidance fix in cbddee1cca0ebd01e8c5aa694d31228eb4de4b41
broke the computation for the last row since it prevented the safe
reading from the height+1-th row.

CC: libav-stable at libav.org

---

 libavcodec/arm/hpeldsp_armv6.S |   10 ++++------
 1 file changed, 4 insertions(+), 6 deletions(-)

diff --git a/libavcodec/arm/hpeldsp_armv6.S b/libavcodec/arm/hpeldsp_armv6.S
index 984e0f0..f1abc32 100644
--- a/libavcodec/arm/hpeldsp_armv6.S
+++ b/libavcodec/arm/hpeldsp_armv6.S
@@ -132,12 +132,11 @@ function ff_put_pixels8_y2_armv6, export=1
         uhadd8          r9,  r5,  r7
         eor             r11, r5,  r7
         and             r10, r10, r12
-        ldrc_pre        ne,  r4,  r1,  r2
+        ldr_pre         r4,  r1,  r2
         uadd8           r8,  r8,  r10
         and             r11, r11, r12
         uadd8           r9,  r9,  r11
-        it              ne
-        ldrne           r5,  [r1, #4]
+        ldr             r5,  [r1, #4]
         uhadd8          r10, r4,  r6
         eor             r6,  r4,  r6
         uhadd8          r11, r5,  r7
@@ -194,10 +193,9 @@ function ff_put_pixels8_y2_no_rnd_armv6, export=1
 1:
         subs            r3,  r3,  #2
         uhadd8          r8,  r4,  r6
-        ldrc_pre        ne,  r4,  r1,  r2
+        ldr_pre         r4,  r1,  r2
         uhadd8          r9,  r5,  r7
-        it              ne
-        ldrne           r5,  [r1, #4]
+        ldr             r5,  [r1, #4]
         uhadd8          r12, r4,  r6
         ldrc_pre        ne,  r6,  r1,  r2
         uhadd8          r14, r5,  r7



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