[FFmpeg-cvslog] ARM: workaround for bug in GNU assembler
Mans Rullgard
git at videolan.org
Thu Sep 22 01:17:20 CEST 2011
ffmpeg | branch: release/0.8 | Mans Rullgard <mans at mansr.com> | Tue Jul 5 18:29:35 2011 +0100| [266ec41f77da6a44fe18e3774f08c9d4551137ac] | committer: Anton Khirnov
ARM: workaround for bug in GNU assembler
Some versions of the GNU assembler do not handle 64-bit
immediate operands containing arithmetic. Writing the
value out in full works correctly.
Signed-off-by: Mans Rullgard <mans at mansr.com>
(cherry picked from commit fce1e43410bdc032c4cf2b1c66166a9ed99cc8f1)
Signed-off-by: Anton Khirnov <anton at khirnov.net>
> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=266ec41f77da6a44fe18e3774f08c9d4551137ac
---
libavcodec/arm/fft_fixed_neon.S | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/libavcodec/arm/fft_fixed_neon.S b/libavcodec/arm/fft_fixed_neon.S
index 14884d3..63d8159 100644
--- a/libavcodec/arm/fft_fixed_neon.S
+++ b/libavcodec/arm/fft_fixed_neon.S
@@ -56,7 +56,7 @@
vhsub.s16 \r0, \d0, \d1 @ t3, t4, t8, t7
vhsub.s16 \r1, \d1, \d0
vhadd.s16 \d0, \d0, \d1 @ t1, t2, t6, t5
- vmov.i64 \d1, #0xffff<<32
+ vmov.i64 \d1, #0xffff00000000
vbit \r0, \r1, \d1
vrev64.16 \r1, \r0 @ t7, t8, t4, t3
vtrn.32 \r0, \r1 @ t3, t4, t7, t8
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