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cmd/compile: inline multiplication corrupts an argument on arm [1.10 backport] #28959

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andybons opened this issue Nov 26, 2018 · 3 comments
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cmd/compile: inline multiplication corrupts an argument on arm [1.10 backport] #28959

andybons opened this issue Nov 26, 2018 · 3 comments
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Go1.10.7

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@andybons
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Manually opening this due to gopherbot not tracking follow-up backport requests.

Issue #28688 is to be considered for backport to the next 1.10 minor release.

@josharian @milanknezevic
@andybons andybons added the CherryPickApproved Used during the release process for point releases label Nov 26, 2018
@andybons andybons added this to the Go1.10.6 milestone Nov 26, 2018
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Change https://golang.org/cl/151343 mentions this issue: [release-branch.go1.10] cmd/compile/internal/gc: OMUL should be evaluated when using soft-float

@dmitshur dmitshur modified the milestones: Go1.10.6, Go1.10.7 Dec 13, 2018
gopherbot pushed a commit that referenced this issue Dec 14, 2018
@FiloSottile
[release-branch.go1.10] cmd/compile/internal/gc: OMUL should be evalu…
d74e69c 
…ated when using soft-float

When using soft-float, OMUL might be rewritten to function call
so we should ensure it was evaluated first.

Updates #28688
Fixes #28959

Change-Id: I30b87501782fff62d35151f394a1c22b0d490c6c
Reviewed-on: https://go-review.googlesource.com/c/148837
Run-TryBot: Cherry Zhang <[email protected]>
TryBot-Result: Gobot Gobot <[email protected]>
Reviewed-by: Cherry Zhang <[email protected]>
(cherry picked from commit c92e73b)
Reviewed-on: https://go-review.googlesource.com/c/151343
Reviewed-by: Filippo Valsorda <[email protected]>
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Closed by merging d74e69c to release-branch.go1.10.

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Change https://golang.org/cl/154297 mentions this issue: Revert "[release-branch.go1.10] cmd/compile/internal/gc: OMUL should be evaluated when using soft-float"

gopherbot pushed a commit that referenced this issue Dec 14, 2018
@FiloSottile
Revert "[release-branch.go1.10] cmd/compile/internal/gc: OMUL should …
a9ccbe0 
…be evaluated when using soft-float"

This reverts commit d74e69c.

Reason for revert: this fix has been backported to 1.11, and that makes
it ineligible for backport to 1.10, since upgrading to 1.11 is a valid
workaround according to https://github.com/golang/go/wiki/MinorReleases.

Also, this triggers a bug on Wasm that would require a backport of
CL 149965, too.

Updates #28688
Updates #28959

Change-Id: I4e56554ea27b5db83bdb1e9d2103dd24e3da8cfc
Reviewed-on: https://go-review.googlesource.com/c/154297
Reviewed-by: Cherry Zhang <[email protected]>
Run-TryBot: Cherry Zhang <[email protected]>
@FiloSottile FiloSottile removed the CherryPickApproved Used during the release process for point releases label Dec 14, 2018
@golang golang locked and limited conversation to collaborators Dec 14, 2019
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@andybons @FiloSottile @dmitshur @gopherbot