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cmd/compile: incorrect arm/arm64 simplification rules [1.17 backport] #48475

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gopherbot opened this issue Sep 19, 2021 · 2 comments
Open

cmd/compile: incorrect arm/arm64 simplification rules [1.17 backport] #48475

gopherbot opened this issue Sep 19, 2021 · 2 comments

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@gopherbot
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@gopherbot gopherbot commented Sep 19, 2021

@randall77 requested issue #48473 to be considered for backport to the next 1.17 minor release.

@gopherbot please open backport issues.

@gopherbot
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@gopherbot gopherbot commented Sep 20, 2021

Change https://golang.org/cl/351071 mentions this issue: [release-branch.go1.17] cmd/compile: fix simplification rules on arm/arm64

@randall77
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@randall77 randall77 commented Sep 20, 2021

This issue causes miscompilation. It's hard to trigger, but causes the compiler to generate wrong code if it does.

@mknyszek mknyszek removed this from the Go1.17.2 milestone Oct 7, 2021
@mknyszek mknyszek added this to the Go1.17.3 milestone Oct 7, 2021
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