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LLVM changes related to BPFv2 #34250

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9 of 10 tasks
pgarg66 opened this issue Nov 28, 2023 · 0 comments
Open
9 of 10 tasks

LLVM changes related to BPFv2 #34250

pgarg66 opened this issue Nov 28, 2023 · 0 comments
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@LucasSte @nvjle

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pgarg66 commented Nov 28, 2023 •
edited by LucasSte
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Problem

This issue is split off from #20323
Need LLVM changes corresponding to the following items

Proposed Solution
@LucasSte LucasSte mentioned this issue Dec 8, 2023
Merged
@LucasSte LucasSte self-assigned this Dec 11, 2023
nvjle pushed a commit to anza-xyz/llvm-project that referenced this issue Dec 12, 2023
@LucasSte
[SOL] Use ADD for subtracting stack pointer (#70)
3bddeb1 
This PR replaces sub r11, imm by add r11, -imm and is the equivalent of solana-labs/rbpf#488 for the SBF target in LLVM.

This is the first task in solana-labs/solana#34250
@LucasSte LucasSte mentioned this issue Dec 12, 2023
Merged
nvjle pushed a commit to anza-xyz/llvm-project that referenced this issue Dec 16, 2023
@LucasSte
[SOL] Remove neg and change the semantics of sub (#73)
17edb2d 
Following the alterations made in solana-labs/rbpf#489, this PR removes the neg instructions and changes the semantics of sub when one of the operands is an immediate.

sub r1, 2 now means r1 = 2 - r1, instead of r1 = r1 - 2.
neg r1 is represented as r1 = 0  - r1.

This is the second task in solana-labs/solana#34250.
This was referenced Dec 20, 2023
Merged
Merged
nvjle pushed a commit to anza-xyz/llvm-project that referenced this issue Dec 21, 2023
@LucasSte
Remove LE byte swap and input buffers (#75)
b164627 
This PR addressed two more items in solana-labs/solana#34250. 
It removes the little endian byte swap instructions (solana-labs/rbpf#493) 
and the input buffers related instructions (solana-labs/rbpf#251).
@Lichtso Lichtso mentioned this issue Dec 22, 2023
Open
18 tasks
This was referenced Jan 2, 2024
Merged
Merged
This was referenced Jan 16, 2024
Merged
Closed
LucasSte added a commit to LucasSte/llvm-project that referenced this issue Jan 31, 2024
@LucasSte
[SOL] Use ADD for subtracting stack pointer (anza-xyz#70)
8d0422c 
This PR replaces sub r11, imm by add r11, -imm and is the equivalent of solana-labs/rbpf#488 for the SBF target in LLVM.

This is the first task in solana-labs/solana#34250
LucasSte added a commit to LucasSte/llvm-project that referenced this issue Jan 31, 2024
@LucasSte
[SOL] Remove neg and change the semantics of sub (anza-xyz#73)
4a917a9 
Following the alterations made in solana-labs/rbpf#489, this PR removes the neg instructions and changes the semantics of sub when one of the operands is an immediate.

sub r1, 2 now means r1 = 2 - r1, instead of r1 = r1 - 2.
neg r1 is represented as r1 = 0  - r1.

This is the second task in solana-labs/solana#34250.
LucasSte added a commit to LucasSte/llvm-project that referenced this issue Jan 31, 2024
@LucasSte
[SOL] Remove LE byte swap and input buffers (anza-xyz#75)
c529aa8 
This PR addressed two more items in solana-labs/solana#34250.
It removes the little endian byte swap instructions (solana-labs/rbpf#493)
and the input buffers related instructions (solana-labs/rbpf#251).
LucasSte added a commit to anza-xyz/llvm-project that referenced this issue Feb 16, 2024
@LucasSte
[SOL] Use ADD for subtracting stack pointer (#70)
868bbfd 
This PR replaces sub r11, imm by add r11, -imm and is the equivalent of solana-labs/rbpf#488 for the SBF target in LLVM.

This is the first task in solana-labs/solana#34250
LucasSte added a commit to anza-xyz/llvm-project that referenced this issue Feb 16, 2024
@LucasSte
[SOL] Remove neg and change the semantics of sub (#73)
2177b34 
Following the alterations made in solana-labs/rbpf#489, this PR removes the neg instructions and changes the semantics of sub when one of the operands is an immediate.

sub r1, 2 now means r1 = 2 - r1, instead of r1 = r1 - 2.
neg r1 is represented as r1 = 0  - r1.

This is the second task in solana-labs/solana#34250.
LucasSte added a commit to anza-xyz/llvm-project that referenced this issue Feb 16, 2024
@LucasSte
[SOL] Remove LE byte swap and input buffers (#75)
85644c4 
This PR addressed two more items in solana-labs/solana#34250.
It removes the little endian byte swap instructions (solana-labs/rbpf#493)
and the input buffers related instructions (solana-labs/rbpf#251).
@LucasSte LucasSte mentioned this issue Feb 21, 2024
Draft
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@LucasSte @pgarg66 @nvjle