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coverage: 79.794% (+1.7%) from 78.051%
21923093953

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Implement MOVSX instruction support for CPU v4 (RFC 9669) (#760)

* Implement MOVSX support for validation, interpreter and JIT

Co-authored-by: Alan-Jowett <20480683+Alan-Jowett@users.noreply.github.com>

* Fix x86_64 JIT MOVSX - force REX prefix for byte register access

Co-authored-by: Alan-Jowett <20480683+Alan-Jowett@users.noreply.github.com>

* Format code with clang-format

Co-authored-by: Alan-Jowett <20480683+Alan-Jowett@users.noreply.github.com>

* Revert "Format code with clang-format"

This reverts commit 0f55b0593.

* Add CPU version v4 flag for MOVSX and RFC9669 conformance tests

Configure cmake/ctest to automatically run MOVSX and RFC9669 tests
with --cpu_version v4 flag. This ensures these v4 instruction tests
run with the correct CPU version instead of being skipped.

Tests affected:
- All movsx* tests (movsx832-reg, movsx1632-reg, movsx864-reg,
  movsx1664-reg, movsx3264-reg, rfc9669_movsx)
- All rfc9669_* conformance tests (88 tests total)

Co-authored-by: Alan-Jowett <20480683+Alan-Jowett@users.noreply.github.com>

* Fix type conversion portability in MOVSX interpreter

Add intermediate unsigned casts to make sign-extension behavior
well-defined across all platforms. Converting uint64_t directly to
int8_t/int16_t/int32_t is implementation-defined when the value
doesn't fit. Cast through uint8_t/uint16_t/uint32_t first to ensure
portable truncation before sign extension.

Co-authored-by: Alan-Jowett <20480683+Alan-Jowett@users.noreply.github.com>

---------

Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
Co-authored-by: Alan-Jowett <20480683+Alan-Jowett@users.noreply.github.com>

60 of 64 new or added lines in 4 files covered. (93.75%)

6579 of 8245 relevant lines covered (79.79%)

536591.84 hits per line

Relevant lines Covered
8245 RELEVANT LINES 6579 COVERED LINES
536591.84 HITS PER LINE
Source Files on main

Recent builds

Builds Branch Commit Type Ran Committer Via Coverage
21923093953 main Implement MOVSX instruction support for CPU v4 (RFC 9669) (#760) * Implement MOVSX support for validation, interpreter and JIT Co-authored-by: Alan-Jowett <20480683+Alan-Jowett@users.noreply.github.com> * Fix x86_64 JIT MOVSX - force REX prefix... push web-flow github
79.79
21882564574 main Implement MOVSX instruction support for CPU v4 (RFC 9669) (#760) * Implement MOVSX support for validation, interpreter and JIT Co-authored-by: Alan-Jowett <20480683+Alan-Jowett@users.noreply.github.com> * Fix x86_64 JIT MOVSX - force REX prefix... push web-flow github
79.79
21846542695 copilot/fix-ci-failure-bpf-verifier Merge 92524a547 into 2749995cc Pull #763 web-flow github
79.79
21843099892 main Implement MOVSX instruction support for CPU v4 (RFC 9669) (#760) * Implement MOVSX support for validation, interpreter and JIT Co-authored-by: Alan-Jowett <20480683+Alan-Jowett@users.noreply.github.com> * Fix x86_64 JIT MOVSX - force REX prefix... push web-flow github
79.79
21841270638 copilot/implement-movsx-offset-support Merge 5349628c7 into 44888ceec Pull #760 web-flow github
79.79
21840776934 main build(deps): bump external/bpf_conformance (#761) Bumps the actions group with 1 update in the / directory: [external/bpf_conformance](https://github.com/Alan-Jowett/bpf_conformance). Updates `external/bpf_conformance` from `e208f52` to `eef2cf... push web-flow github
78.05
21839435318 copilot/implement-movsx-offset-support Merge 47e56429e into 44888ceec Pull #760 web-flow github
79.79
21837419504 main build(deps): bump external/bpf_conformance (#761) Bumps the actions group with 1 update in the / directory: [external/bpf_conformance](https://github.com/Alan-Jowett/bpf_conformance). Updates `external/bpf_conformance` from `e208f52` to `eef2cf... push web-flow github
78.05
21836826369 copilot/implement-movsx-offset-support Merge e2ec3a69a into 82f44fcfd Pull #760 web-flow github
79.79
21836061810 dependabot/submodules/actions-b47aa8b37e Merge 3577326d8 into 82f44fcfd Pull #761 web-flow github
78.05
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