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svn:author
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bdragon
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svn:date
V 27
2021-03-08T19:08:37.817877Z
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svn:log
V 550
[PowerPC] Fix SPE floating point environment manipulation

Fix multiple problems in the powerpcspe floating point code.

* Endianness handling of the SPEFSCR in fenv.h was completely broken.
* Ensure SPEFSCR synchronization requirements are being met.

The __r.__d -> __r transformations were written by jhibbits.

Reviewed by:	jhibbits
Differential Revision:	https://reviews.freebsd.org/D22526

(cherry picked from commit 4f9ed3156c3aff08629d37c8a89ed5ba525b01c9)

Git Hash:   d905133e26d0c8852c9977a76a1091f25a031284
Git Author: bdragon@FreeBSD.org
END