kumquat-buildroot/package/gstreamer/gst-ffmpeg/gst-ffmpeg-0002-arm-avoid-using-the-movw-instruction.patch
Arnout Vandecappelle 929180d1b8 gst-ffmpeg: fix build on armv6 without thumb2 (e.g. RaspberryPi)
[Thomas: rename existing patch and the one added by Arnout to follow
the patch naming convention.]

Cc: Marco Trapanese <marcotrapanese@gmail.com>
Signed-off-by: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be>
Acked-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
2014-06-22 19:18:41 +02:00

42 lines
1.7 KiB
Diff

Date: Mon, 1 Aug 2011 20:21:04 +0300
Subject: [libavcodec] arm: Avoid using the movw instruction needlessly
MIME-Version: 1.0
Content-Type: text/plain; charset=utf8
Content-Transfer-Encoding: 8bit
This fixes building for ARM11 without Thumb2.
Signed-off-by: Martin Storsjö <martin@martin.st>
[Arnout: backported to gst-ffmpeg, from ffmpeg 9a83adaf3]
Signed-off-by: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be>
---
gst-libs/ext/libav/libavcodec/arm/ac3dsp_armv6.S | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/gst-libs/ext/libav/libavcodec/arm/ac3dsp_armv6.S b/gst-libs/ext/libav/libavcodec/arm/ac3dsp_armv6.S
index d3058ff..b6aee86 100644
--- a/gst-libs/ext/libav/libavcodec/arm/ac3dsp_armv6.S
+++ b/gst-libs/ext/libav/libavcodec/arm/ac3dsp_armv6.S
@@ -37,7 +37,7 @@ function ff_ac3_bit_alloc_calc_bap_armv6, export=1
ldrb r10, [r4], #1
1:
ldrsh r9, [r0], #2 @ mask[band]
- movw r8, #0x1fe0
+ mov r8, #0xff0
sub r9, r9, r12 @ - snr_offset
mov r11, r10
ldrb r10, [r4], #1 @ band_start_tab[band++]
@@ -44,7 +44,7 @@ function ff_ac3_bit_alloc_calc_bap_armv6, export=1
subs r9, r9, r5 @ - floor
movlt r9, #0
cmp r10, r3 @ - end
- and r9, r9, r8 @ & 0x1fe0
+ and r9, r9, r8, lsl #1 @ & 0x1fe0
subgt r8, r3, r11
suble r8, r10, r11
add r9, r9, r5 @ + floor => m
--
1.7.10.4