https://github.com/ecnelises closed
https://github.com/llvm/llvm-project/pull/86783
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https://github.com/ecnelises updated
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>From b886dcf2da25417d9f8cd75ff4aa58686e35139d Mon Sep 17 00:00:00 2001
From: Qiu Chaofan
Date: Wed, 27 Mar 2024 17:11:04 +0800
Subject: [PATCH 1/4] [PowerPC] Implement 32-bit expansion for rldimi
rldimi is
https://github.com/ecnelises updated
https://github.com/llvm/llvm-project/pull/86783
>From b886dcf2da25417d9f8cd75ff4aa58686e35139d Mon Sep 17 00:00:00 2001
From: Qiu Chaofan
Date: Wed, 27 Mar 2024 17:11:04 +0800
Subject: [PATCH 1/3] [PowerPC] Implement 32-bit expansion for rldimi
rldimi is
https://github.com/ecnelises edited
https://github.com/llvm/llvm-project/pull/86783
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>From b886dcf2da25417d9f8cd75ff4aa58686e35139d Mon Sep 17 00:00:00 2001
From: Qiu Chaofan
Date: Wed, 27 Mar 2024 17:11:04 +0800
Subject: [PATCH 1/2] [PowerPC] Implement 32-bit expansion for rldimi
rldimi is
bzEq wrote:
> due to backward compatibility, it needs to be expanded into series of rlwimi
> in 32-bit environment
Why must be 'series of rlwimi'?
Why don't we just expand it following what ISA describes and let legalizer
generates code sequence under 32-bit mode?
```
n ← sh5 || sh0:4
r ←
https://github.com/ecnelises updated
https://github.com/llvm/llvm-project/pull/86783
>From b886dcf2da25417d9f8cd75ff4aa58686e35139d Mon Sep 17 00:00:00 2001
From: Qiu Chaofan
Date: Wed, 27 Mar 2024 17:11:04 +0800
Subject: [PATCH] [PowerPC] Implement 32-bit expansion for rldimi
rldimi is
llvmbot wrote:
@llvm/pr-subscribers-clang
@llvm/pr-subscribers-backend-powerpc
Author: Qiu Chaofan (ecnelises)
Changes
rldimi is 64-bit instruction, due to backward compatibility, it needs to be
expanded into series of rlwimi in 32-bit environment. In the future, we may
improve bit
https://github.com/ecnelises created
https://github.com/llvm/llvm-project/pull/86783
rldimi is 64-bit instruction, due to backward compatibility, it needs to be
expanded into series of rlwimi in 32-bit environment. In the future, we may
improve bit permutation selector and remove such direct
