Stream: git-wasmtime

Topic: wasmtime / PR #5495 Cranelift: aarch64: lower umin.i64 an...

Wasmtime GitHub notifications bot (Dec 28 2022 at 21:39):

Mrmaxmeier opened PR #5495 from aarch64-lower-umin-i64 to main:

Hi,

I'm using umin/umax with i32 and noticed the aarch64 backend doesn't support these operations yet.
The existing rules for vector types seem to apply to scalars as well, so I'm applying a higher priority to the new rules.

The code I'm generating mostly matches Clang/GCC but they emit and 0xffff instead of uxth for unsigned sign extension of i16 and i8 :shrug:

Note that this PR doesn't support i128 though, so it's only a partial fix for #4313 (xref #3370)
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Wasmtime GitHub notifications bot (Dec 28 2022 at 22:08):

Mrmaxmeier edited PR #5495 from aarch64-lower-umin-i64 to main:

Hi,

I'm using umin/umax with i32 and noticed the aarch64 backend doesn't support these operations yet.
The existing rules for vector types seem to apply to scalars as well, so I'm using a higher priority for the new rules.

The code I'm generating mostly matches Clang/GCC but they emit and 0xffff instead of uxth for unsigned sign extension of i16 and i8 :shrug:

Note that this PR doesn't support i128 though, so it's only a partial fix for #4313 (xref #3370)
<!--

Please ensure that the following steps are all taken care of before submitting
the PR.

• [x] This has been discussed in issue #..., or if not, please tell us why
  here.

• [ ] A short description of what this does, why it is needed; if the
  description becomes long, the matter should probably be discussed in an issue
  first.

• [x] This PR contains test cases, if meaningful.

• [ ] A reviewer from the core maintainer team has been assigned for this PR.
  If you don't know who could review this, please indicate so. The list of
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Wasmtime GitHub notifications bot (Dec 28 2022 at 22:52):

afonso360 submitted PR review.

Wasmtime GitHub notifications bot (Dec 28 2022 at 23:52):

Mrmaxmeier updated PR #5495 from aarch64-lower-umin-i64 to main.

Wasmtime GitHub notifications bot (Dec 30 2022 at 02:03):

jameysharp submitted PR review.

Wasmtime GitHub notifications bot (Dec 30 2022 at 02:03):

jameysharp merged PR #5495.

Last updated: Oct 23 2024 at 20:03 UTC