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Differential
D45810
[Sparc] Use synthetic instruction clr to zero register instead of sethi
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Authored by
dcederman
on Apr 19 2018, 5:13 AM.
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Subscribers
eraman
fedor.sergeev
jrtc27
llvm-commits
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jyknight
venkatra
Commits
rGc67b3ffba743: [Sparc] Use synthetic instruction clr to zero register instead of sethi
rL330396: [Sparc] Use synthetic instruction clr to zero register instead of sethi
Summary
Using
clr reg
/
mov %g0, reg
/
or %g0, %g0, reg
to zero a register looks much better than
sethi 0, reg
.
Diff Detail
Repository
rL LLVM
Event Timeline
dcederman
created this revision.
Apr 19 2018, 5:13 AM
Herald
added subscribers:
llvm-commits
,
jrtc27
,
fedor.sergeev
,
eraman
.
·
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Apr 19 2018, 5:13 AM
jyknight
accepted this revision.
Apr 19 2018, 7:11 PM
This revision is now accepted and ready to land.
Apr 19 2018, 7:11 PM
Closed by commit
rL330396: [Sparc] Use synthetic instruction clr to zero register instead of sethi
(authored by
dcederman
).
·
Explain Why
Apr 20 2018, 12:51 AM
This revision was automatically updated to reflect the committed changes.