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[Bug 1513985] Re: ffmpeg test idct8x8 (SIMPLE-ARM) fails on ARM32 when built with binutils from the trunk

 

Correction to the title of this bug report: while the test output makes
it appear that the failing test is the last one (NEON), attempts to work
around this build failure by temporarily disabling NEON support in the
build revealed that it wasn't this test failing at all, but the test of
the SIMPLE-ARM implementation.

This is the implementation that Andreas pointed to in his comment, so it
appears debugging this is on the right track, but since I was confused
for a bit I thought I should set the record straight.

Also, since the SIMPLE-ARM implementation will never be used on any
Ubuntu architecture (it's superseded by either the NEON or the ARMV6
implementation on all armhf systems, which are by definition ARMv7 or
later), I have uploaded ffmpeg to simply disable the test of this dead
codepath at build time.

** Summary changed:

- ffmpeg test idct8x8 (NEON) fails on ARM32 when built with binutils from the trunk
+ ffmpeg test idct8x8 (SIMPLE-ARM) fails on ARM32 when built with binutils from the trunk

** Changed in: ffmpeg (Ubuntu)
       Status: New => Fix Released

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https://bugs.launchpad.net/bugs/1513985

Title:
  ffmpeg test idct8x8 (SIMPLE-ARM) fails on ARM32 when built with
  binutils from the trunk

Status in binutils:
  Unknown
Status in binutils package in Ubuntu:
  Confirmed
Status in ffmpeg package in Ubuntu:
  Fix Released

Bug description:
  ffmpeg test idct8x8 (NEON) fails on ARM32 when built with binutils
  from the trunk

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