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715e070d29
The LE transformation for vec_perm has an implicit assumption that the permutation is being used to reorder vector elements (in this case 4-byte integer word elements), not to reorder bytes within those elements. Although this is legal behavior, it is not anticipated by the transformation performed by the compilers. This causes pygame-1.9.1 test failure on PPC64LE because blitted pixmaps are corrupted there due to how SDL uses vec_perm(). From RedHat / Fedora: https://bugzilla.redhat.com/show_bug.cgi?id=1392465 Original patch was provided by: Menanteau Guy <menantea@linux.vnet.ibm.com>
Simple DirectMedia Layer
(SDL)
Version 2.0
---
https://www.libsdl.org/
Simple DirectMedia Layer is a cross-platform development library designed
to provide low level access to audio, keyboard, mouse, joystick, and graphics
hardware via OpenGL and Direct3D. It is used by video playback software,
emulators, and popular games including Valve's award winning catalog
and many Humble Bundle games.
More extensive documentation is available in the docs directory, starting
with README.md
Enjoy!
Sam Lantinga (slouken@libsdl.org)