Alan-Jowett / ubpf
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master: 92%

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coverage: 79.794%. Remained the same
22024354543

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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%)

157 existing lines in 4 files now uncovered.

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
22024354543 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
22003328026 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
21964759047 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
21923594619 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
21883177124 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
21843966586 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
21841381998 main Switch to mainline prevail (#759) Signed-off-by: Alan Jowett <alan.jowett@microsoft.com> Co-authored-by: Alan Jowett <alan.jowett@microsoft.com> push web-flow github
78.05
21805506536 main submodule: point verifier to vbpf/prevail (#755) * Switch to cmake fix Signed-off-by: Alan Jowett <alan.jowett@microsoft.com> * libfuzzer: build with upstream prevail * submodule: point verifier to vbpf/prevail * libfuzzer: restore constraint... push web-flow github
78.05
21786993220 main submodule: point verifier to vbpf/prevail (#755) * Switch to cmake fix Signed-off-by: Alan Jowett <alan.jowett@microsoft.com> * libfuzzer: build with upstream prevail * submodule: point verifier to vbpf/prevail * libfuzzer: restore constraint... push web-flow github
78.05
21766293085 main submodule: point verifier to vbpf/prevail (#755) * Switch to cmake fix Signed-off-by: Alan Jowett <alan.jowett@microsoft.com> * libfuzzer: build with upstream prevail * submodule: point verifier to vbpf/prevail * libfuzzer: restore constraint... push web-flow github
78.05
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