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The integrated arm assembler in clang-503.0.38 (Xcode-5.1) fails
to assemble a branch to 'label + offset' in thumb mode.
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Don't rely on the fact that an unprefixed label currently exists.
Signed-off-by: Martin Storsjö <martin@martin.st>
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This makes the plain-armv6 version use the same registers as the
armv6t2 version above.
This fixes fate-vp8 on plain-armv6 devices.
Signed-off-by: Martin Storsjö <martin@martin.st>
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It does not help as an abstraction and adds dsputil dependencies.
Signed-off-by: Ronald S. Bultje <rsbultje@gmail.com>
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These macros reflect the actual capabilities required here.
Signed-off-by: Mans Rullgard <mans@mansr.com>
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In the GNU assembler, a relational expression, bizarrely, has the
value -1 if true, whereas in Apple's it is +1. This patch makes
sure the correct expression is used in both cases.
Signed-off-by: Mans Rullgard <mans@mansr.com>
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This will allow for easier implementation of ARM-optimized functions in
libraries other than libavcodec.
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The assembler may fail to place literal pools close enough to
instructions referencing them. An explicit .ltorg directive
fixes this.
Signed-off-by: Mans Rullgard <mans@mansr.com>
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Based on patch by Ronald S. Bultje <rsbultje@gmail.com>,
partially ported from libvpx.
Signed-off-by: Mans Rullgard <mans@mansr.com>
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This is a preparation for complete ARMv6 optimisations.
Signed-off-by: Mans Rullgard <mans@mansr.com>
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