Differential D17124

ERMS-based memmove, memcpy and memset
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Authored by mjg on Sep 11 2018, 11:15 PM.

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kib

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rS338645: amd64: implement ERMS-based memmove, memcpy and memset

Summary

Tested with and without invariants.

I don't know where to put the resolving code, machdep.c seemed like the least objectionable place.

Note that memmove is kind of hairy and is up for further rework.

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Repository

rS FreeBSD src repository - subversion

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Build Status

Buildable 19533

Event Timeline

mjg created this revision.Sep 11 2018, 11:15 PM

Herald added a subscriber: imp. · View Herald TranscriptSep 11 2018, 11:15 PM

Harbormaster completed remote builds in B19533: Diff 47932.Sep 11 2018, 11:15 PM

Please upload patch with context. svn diff -x -U99999

sys/amd64/amd64/support.S
1269	Move this right after _std. Also, I prefer to have each _erms variant to be located right after its _std counterpart.
1293	What is the purpose of the comment ?

remove the comment copied over from original memmove
include full-context diff

put erms funcs net to their standard counterparts

kib accepted this revision.Sep 13 2018, 2:35 PM

This revision is now accepted and ready to land.Sep 13 2018, 2:35 PM

Closed by commit rS338645: amd64: implement ERMS-based memmove, memcpy and memset (authored by mjg). · Explain WhySep 13 2018, 2:54 PM

This revision was automatically updated to reflect the committed changes.

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Path

Size

sys/

amd64/

machdep.c

32 lines

support.S

83 lines

Diff 47932

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sys/amd64/amd64/machdep.c