Wasmtime GitHub notifications bot (Aug 06 2020 at 09:50): Wasmtime GitHub notifications bot (Aug 06 2020 at 09:50):jmkrauz opened PR #2103 from arm32-codegen to main:
This commit adds arm32 Thumb2 code generation for some IR insts.
I have used machinst backend and followed Aarch64 implementation as an example.Floating-point instructions are not supported, because regalloc
does not seem to allow to represent overlapping register classes,
which are needed by VFP/Neon.Another lacking feature is support for I64 and I128 types.
An abi implementation is not complete, however it makes it possible
to run simple clif tests.It may be a first step towards #1173.
This PR contains instruction emission test and clif tests for IR insts.
I don't know well who could review this.
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Wasmtime GitHub notifications bot (Aug 06 2020 at 10:01):bjorn3 submitted PR Review.
Wasmtime GitHub notifications bot (Aug 06 2020 at 10:01):bjorn3 created PR Review Comment:
Maybe use x86 or riscv instead?
Wasmtime GitHub notifications bot (Aug 06 2020 at 11:11):jmkrauz submitted PR Review.
Wasmtime GitHub notifications bot (Aug 06 2020 at 11:11):jmkrauz created PR Review Comment:
I believe some of the tests here or in regalloc/pressure.rs use the fact that S, D and Q registers overlap. I am not sure if we can achieve something similar with x86 or risc-v registers.
Wasmtime GitHub notifications bot (Aug 06 2020 at 16:18):cfallin requested cfallin for a review on PR #2103.
Wasmtime GitHub notifications bot (Aug 26 2020 at 11:13):jmkrauz updated PR #2103 from arm32-codegen to main:
This commit adds arm32 Thumb2 code generation for some IR insts.
I have used machinst backend and followed Aarch64 implementation as an example.Floating-point instructions are not supported, because regalloc
does not seem to allow to represent overlapping register classes,
which are needed by VFP/Neon.Another lacking feature is support for I64 and I128 types.
An abi implementation is not complete, however it makes it possible
to run simple clif tests.It may be a first step towards #1173.
This PR contains instruction emission test and clif tests for IR insts.
I don't know well who could review this.
<!--
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first.[ ] This PR contains test cases, if meaningful.
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Wasmtime GitHub notifications bot (Sep 16 2020 at 10:14):jmkrauz updated PR #2103 from arm32-codegen to main:
This commit adds arm32 Thumb2 code generation for some IR insts.
I have used machinst backend and followed Aarch64 implementation as an example.Floating-point instructions are not supported, because regalloc
does not seem to allow to represent overlapping register classes,
which are needed by VFP/Neon.Another lacking feature is support for I64 and I128 types.
An abi implementation is not complete, however it makes it possible
to run simple clif tests.It may be a first step towards #1173.
This PR contains instruction emission test and clif tests for IR insts.
I don't know well who could review this.
<!--
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first.[ ] This PR contains test cases, if meaningful.
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Wasmtime GitHub notifications bot (Sep 22 2020 at 10:50):jmkrauz updated PR #2103 from arm32-codegen to main:
This commit adds arm32 Thumb2 code generation for some IR insts.
I have used machinst backend and followed Aarch64 implementation as an example.Floating-point instructions are not supported, because regalloc
does not seem to allow to represent overlapping register classes,
which are needed by VFP/Neon.Another lacking feature is support for I64 and I128 types.
An abi implementation is not complete, however it makes it possible
to run simple clif tests.It may be a first step towards #1173.
This PR contains instruction emission test and clif tests for IR insts.
I don't know well who could review this.
<!--
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the PR.
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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.[ ] 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 (Sep 22 2020 at 10:53):jmkrauz updated PR #2103 from arm32-codegen to main:
This commit adds arm32 Thumb2 code generation for some IR insts.
I have used machinst backend and followed Aarch64 implementation as an example.Floating-point instructions are not supported, because regalloc
does not seem to allow to represent overlapping register classes,
which are needed by VFP/Neon.Another lacking feature is support for I64 and I128 types.
An abi implementation is not complete, however it makes it possible
to run simple clif tests.It may be a first step towards #1173.
This PR contains instruction emission test and clif tests for IR insts.
I don't know well who could review this.
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first.[ ] This PR contains test cases, if meaningful.
- [ ] A reviewer from the core maintainer team has been assigned for this PR.
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Wasmtime GitHub notifications bot (Sep 22 2020 at 16:07):cfallin merged PR #2103.
Last updated: Oct 23 2024 at 20:03 UTC