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ART: Implement "Zbs" extension instructions in the Riscv64Assembler. #127

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enh-google opened this issue Dec 6, 2023 · 2 comments
Open

ART: Implement "Zbs" extension instructions in the Riscv64Assembler. #127

enh-google opened this issue Dec 6, 2023 · 2 comments
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@samogongik
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compiler-optimization Performance or binary size improvements using compiler techniques

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@enh-google
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This is low priority. These instructions could be used to simplify certain instruction sequences but those simplifications have not been done on arm/arm64 yet anyway (despite having more powerful bit field manipulation instructions there).

OTOH, "Zbs" is part of RVA22, so we should support it in assembler and disassembler.
@prashanthswami prashanthswami added the compiler-optimization Performance or binary size improvements using compiler techniques label Feb 24, 2024
@samogongik
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Hello, @enh-google !
Could you please assign this issue to me?

@samogongik samogongik mentioned this issue Aug 22, 2024
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code review: https://android-review.googlesource.com/c/platform/art/+/3235976

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