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Differential D21442

Fix qmath(3) with new GCC
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Authored by trasz on Aug 27 2019, 6:30 PM.
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sef
asomers
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rS351596: Fix qmath(3) build problems with GCC 8.
Summary

Fix build problems in qmath(3) with new GCC. Trivial, except for the signedness part in qmath.h.

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rS FreeBSD src repository - subversion
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Event Timeline

trasz created this revision.Aug 27 2019, 6:30 PM
Herald added a subscriber: imp. · View Herald TranscriptAug 27 2019, 6:30 PM
Harbormaster completed remote builds in B26139: Diff 61366.Aug 27 2019, 6:30 PM
trasz edited the summary of this revision. (Show Details)Aug 27 2019, 6:31 PM
trasz added reviewers: sef, asomers.Aug 27 2019, 6:36 PM
trasz mentioned this in D21451: Fix (some of) warnings from riscv64-gcc.Aug 28 2019, 10:36 AM

Note to self: tinderboxed.

lwhsu added a subscriber: lwhsu.Aug 28 2019, 1:57 PM
asomers added inline comments.Aug 28 2019, 2:54 PM
sys/sys/qmath.h
270 ↗(On Diff #61366)

Technically, shouldn't you cast it _before_ inverting it?

-(int64_t)(Q_ABS(iv) << Q_NFBITS(q))
trasz marked an inline comment as done.Aug 29 2019, 7:39 AM

Note that I'm committing it without waiting for a proper acceptance due to being a build fix.

sys/sys/qmath.h
270 ↗(On Diff #61366)

Thanks; fixed.

This revision was not accepted when it landed; it landed in state Needs Review.Aug 29 2019, 7:39 AM
Closed by commit rS351596: Fix qmath(3) build problems with GCC 8. (authored by trasz). · Explain Why
This revision was automatically updated to reflect the committed changes.
trasz marked an inline comment as done.
trasz added a commit: rS351596: Fix qmath(3) build problems with GCC 8..

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PathSize
head/
sys/
sys/
2 lines
tests/
sys/
sys/
16 lines

Diff 61445

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head/sys/sys/qmath.h

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head/tests/sys/sys/qmath_test.c

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