Diffusion FreeBSD src repository - subversion rS355656

[PowerPC] Fix SPE floating point environment manipulation
rS355656
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Description

[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

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Differential Revision

D22526: [PowerPC] Fix floating point environment manipulation

Parents

rS355655: [PowerPC] Fix powerpc 32 bit build in mmu_oea64.c

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Event Timeline

bdragon committed rS355656: [PowerPC] Fix SPE floating point environment manipulation.Dec 12 2019, 5:12 PM

bdragon added an edge: D22526: [PowerPC] Fix floating point environment manipulation.

bdragon mentioned this in D23382: Fix feholdexcept() on powerpc referencing the wrong struct member.Jan 27 2020, 7:55 PM

Changes (4)

Path

Size

head/

lib/

libc/

powerpcspe/

gen/

msun/

powerpc/

sys/

powerpc/

booke/

rS355656

head/lib/libc/powerpcspe/gen/fpsetmask.c

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head/lib/libc/powerpcspe/gen/fpsetround.c

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head/lib/msun/powerpc/fenv.h

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head/sys/powerpc/booke/spe.c

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