Add new bswap* instructions #554

dthaler · 2023-12-28T23:02:12Z

Add byteswap test cases
Fix asm_parse.cpp to allow le* operations
Add new bswap* instructions that are independent of machine endianness. These are part of cpu=v4 and are specified in https://www.ietf.org/archive/id/draft-ietf-bpf-isa-00.html#name-byte-swap-instructions

Fixes #531

* Add byteswap test cases * Fix asm_parse.cpp to allow le* operations Signed-off-by: Dave Thaler <[email protected]>

Fixes vbpf#531 Signed-off-by: Dave Thaler <[email protected]>

coveralls · 2023-12-28T23:53:28Z

coverage: 89.502% (-0.08%) from 89.584%
when pulling 7618a14 on dthaler:byteswap
into 81a834d on vbpf:main.

vbpf#554) Bumps [external/bpf_conformance](https://github.com/Alan-Jowett/bpf_conformance) from `7a773b3` to `8bd493f`. - [Release notes](https://github.com/Alan-Jowett/bpf_conformance/releases) - [Commits](Alan-Jowett/bpf_conformance@7a773b3...8bd493f) --- updated-dependencies: - dependency-name: external/bpf_conformance dependency-type: direct:production ... Signed-off-by: dependabot[bot] <[email protected]> Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Byteswap fixes

2d83ab9

* Add byteswap test cases * Fix asm_parse.cpp to allow le* operations Signed-off-by: Dave Thaler <[email protected]>

dthaler marked this pull request as draft December 28, 2023 23:03

Add bswap instructions

7618a14

Fixes vbpf#531 Signed-off-by: Dave Thaler <[email protected]>

dthaler force-pushed the byteswap branch from 0398cba to 7618a14 Compare December 28, 2023 23:11

dthaler changed the title ~~Byteswap instruction fixes~~ Add new bswap* instructions Dec 28, 2023

dthaler marked this pull request as ready for review December 28, 2023 23:37

elazarg approved these changes Dec 29, 2023

View reviewed changes

elazarg merged commit 3321c60 into vbpf:main Dec 29, 2023
13 checks passed

dthaler deleted the byteswap branch December 29, 2023 05:30

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