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pld instruction are used in libavcodec/armv4l/dsputil_arm_s.S which can be used

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on armv4 that doesn't support this instruction. Futhermore pld is a nop on some
armv5 processor like arm926. Detect if pld is supported and have the
preprocessor remove it when it's not supported.
Fixes issue 393.
patch by matthieu castet, castet.matthieu free fr

Originally committed as revision 12569 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Matthieu Castet
2008-03-24 11:49:59 +00:00
committed by Diego Biurrun
parent 0e58bf670d
commit b4e806b2b9
2 changed files with 10 additions and 0 deletions
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libavcodec/armv4l/dsputil_arm_s.S
+7
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@@ -19,6 +19,13 @@
@ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
@
#include "config.h"
#ifndef HAVE_PLD
.macro pld reg
.endm
#endif
.macro ADJ_ALIGN_QUADWORD_D shift, Rd0, Rd1, Rd2, Rd3, Rn0, Rn1, Rn2, Rn3, Rn4
mov \Rd0, \Rn0, lsr #(\shift * 8)
mov \Rd1, \Rn1, lsr #(\shift * 8)