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17 Commits

Author SHA1 Message Date
Mans Rullgard
a7831d509f arm: use HAVE*_INLINE/EXTERNAL macros for conditional compilation 
These macros reflect the actual capabilities required here.

Signed-off-by: Mans Rullgard <mans@mansr.com>
 2012-12-07 16:54:03 +00:00
Diego Biurrun
9734b8ba56 Move avutil tables only used in libavcodec to libavcodec. 2012-10-11 18:29:36 +02:00
Mans Rullgard
8986fddc2b ARM: allow building in Thumb2 mode 
Signed-off-by: Mans Rullgard <mans@mansr.com>
 2011-06-23 07:31:54 +01:00
Mans Rullgard
21c6512542 ARM: remove MUL64 and MAC64 inline asm 
Current GCC versions know how to generate these instructions
properly and avoiding inline asm gives better code.  The MULH
function for ARMv5 uses the same instruction and is also not
needed any more.

The MLS64 macro remains since negating an input would normally
not be allowed as it would fail for INT_MIN.  In our uses, the
inputs never have this value and thus negating is safe.

Signed-off-by: Mans Rullgard <mans@mansr.com>
 2011-06-06 17:33:40 +01:00
Mans Rullgard
594fbe42c6 ARM: remove MULL inline asm 
Reasonable gcc versions get this one right on their own.

Signed-off-by: Mans Rullgard <mans@mansr.com>
 2011-06-04 21:33:23 +01:00
Mans Rullgard
c51695dbf6 ARM: fix MUL64 inline asm for pre-armv6 
Prior to ARMv6, the destination registers of the SMULL instruction
must be distinct from the first source register.  Marking the
output early-clobber ensures it is allocated unique registers.

This restriction is dropped in ARMv6 and later, so allowing overlap
between input and output registers there might give better code.

Signed-off-by: Mans Rullgard <mans@mansr.com>
 2011-05-31 22:21:00 +01:00
Mans Rullgard
6bb70dfd74 ARM: simplify inline asm with 64-bit operands 
Signed-off-by: Mans Rullgard <mans@mansr.com>
 2011-05-30 21:19:57 +01:00
Mans Rullgard
84e4804ad0 ARM: remove unnecessary volatile from inline asm 
Signed-off-by: Mans Rullgard <mans@mansr.com>
 2011-05-28 15:00:17 +01:00
Mans Rullgard
5726ec171b ARM: add "cc" clobbers to inline asm where needed 
Signed-off-by: Mans Rullgard <mans@mansr.com>
 2011-05-28 15:00:17 +01:00
Mans Rullgard
2912e87a6c Replace FFmpeg with Libav in licence headers 
Signed-off-by: Mans Rullgard <mans@mansr.com>
 2011-03-19 13:33:20 +00:00
Diego Biurrun
deb1b2b699 Add necessary #include for config.h. 
Originally committed as revision 19692 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2009-08-24 10:59:14 +00:00
Måns Rullgård
35690321a7 ARM: disable inline asm for armcc 
Originally committed as revision 17831 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2009-03-05 21:20:13 +00:00
Måns Rullgård
4cd19f6e78 ARM: fix missing MUL16() return type 
Originally committed as revision 17679 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2009-03-01 12:11:02 +00:00
Måns Rullgård
4f928a4d2d ARM: optimised mid_pred() 
Originally committed as revision 16819 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2009-01-27 16:06:38 +00:00
Måns Rullgård
1214bd86dc ARM: allow register operands for shifts in MULL() 
Originally committed as revision 16818 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2009-01-27 16:06:34 +00:00
Aurelien Jacobs
b250f9c66d Change semantic of CONFIG_*, HAVE_* and ARCH_*. 
They are now always defined to either 0 or 1.

Originally committed as revision 16590 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2009-01-13 23:44:16 +00:00
Måns Rullgård
a2fc0f6a6d ARM: replace "armv4l" with "arm" 
Originally committed as revision 16179 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2008-12-17 00:54:54 +00:00