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PR for llvm/llvm-project#55349 #194

Merged
merged 3 commits into from
May 11, 2022
Merged

PR for llvm/llvm-project#55349 #194

merged 3 commits into from
May 11, 2022

Commits on May 9, 2022

  1. [AArch64] Add native CPU detection for Ampere1 

    Map the IMPLEMENTOR ID 0xc0 (Ampere Computing) and CPU ID 0xac3
(Ampere1) to ampere1.

Differential Revision: https://reviews.llvm.org/D117111

(cherry picked from commit 7e02bc5)
    @ptomsich @llvmbot
    ptomsich authored and llvmbot committed May 9, 2022
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  2. [AArch64] Support for Ampere1 core 

    Add support for the Ampere Computing Ampere1 core.
Ampere1 implements the AArch64 state and is compatible with ARMv8.6-A.

Differential Revision: https://reviews.llvm.org/D117112

(cherry picked from commit 64816e6)
    @ptomsich @llvmbot
    ptomsich authored and llvmbot committed May 9, 2022
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  3. [AArch64] Ampere1 does not support MTE 

    The initial support for the Ampere1 mistakenly signalled support for
the MTE feature.  However, the core does not include the optional MTE
functionality.

Update the target parser to not include MTE for Ampere1.

Reviewed By: dmgreen

Differential Revision: https://reviews.llvm.org/D125191

(cherry picked from commit 91b24b0)
    @ptomsich @llvmbot
    ptomsich authored and llvmbot committed May 9, 2022
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