https://bugs.kde.org/show_bug.cgi?id=384337
Ivo Raisr <iv...@ivosh.net> changed:
What |Removed |Added
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Attachment #107674|0 |1
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Attachment #107676|0 |1
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Attachment #107678|0 |1
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Attachment #107711|0 |1
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--- Comment #14 from Ivo Raisr <iv...@ivosh.net> ---
Created attachment 107958
--> https://bugs.kde.org/attachment.cgi?id=107958&action=edit
Refactor tracking of MOV coalescing.
VReg<->VReg MOV coalescing status is now a part of the HRegUsage.
This allows register allocation to query it two times without incurring
a performance penalty. This in turn allows to better keep track of
vreg<->vreg MOV coalescing so that all vregs in the coalesce chain
get the effective |dead_before| of the last vreg.
A small performance improvement has been observed because this allows
to coalesce even spilled vregs (previously only assigned ones).
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