GCC Testsuite Status: Commit 8a6b9b4161 - Failures Detailed

by Alex Johnson 60 views

Understanding the status of the GCC (GNU Compiler Collection) testsuite is crucial for maintaining the stability and reliability of the compiler. This article delves into the testsuite status for commit 8a6b9b4161, providing a comprehensive overview of the build and testsuite failures, along with unresolved issues. This analysis helps developers and users alike to quickly grasp the current state of the compiler and identify areas that require attention.

Summary of Build Failures

Build failures are a critical indicator of potential issues within the compiler's infrastructure. They prevent the successful compilation of the GCC toolchain for specific target configurations. In the case of commit 8a6b9b4161, several build failures were observed across different configurations. A build failure signifies that the compiler could not be successfully built for the given target, indicating potential problems with the source code, build scripts, or target-specific configurations. Resolving these failures is paramount to ensure that GCC can be deployed across a wide range of platforms and architectures. Each failure requires careful examination of the build logs to pinpoint the exact cause, which could range from missing dependencies to code incompatibilities. The configurations that experienced build failures include:

  • gcc-linux-rv32gc-ilp32d-8a6b9b4161decbc12e26860163379f8e80feabc1-non-multilib
  • gcc-linux-rv64gc_zba_zbb_zbc_zbs-lp64d-8a6b9b4161decbc12e26860163379f8e80feabc1-non-multilib
  • gcc-newlib-rv32gc-ilp32d-8a6b9b4161decbc12e26860163379f8e80feabc1-non-multilib
  • gcc-newlib-rv64gc-lp64d-8a6b9b4161decbc12e26860163379f8e80feabc1-non-multilib

For each of these failures, checking the logs is essential to diagnose the root cause. Build logs provide detailed information about the compilation process, including any errors or warnings that occurred. By analyzing these logs, developers can identify the specific issues that led to the build failures and implement the necessary fixes.

Testsuite Failures

Testsuite failures, on the other hand, indicate that while the compiler may have built successfully, it failed to pass certain tests designed to verify its correctness. These failures are equally important as they highlight potential bugs or regressions in the compiler's functionality. Analyzing testsuite failures involves examining the specific tests that failed and understanding the reasons behind their failure. This often requires debugging the compiler's behavior and identifying the source of the discrepancy. The key to addressing these failures lies in a detailed analysis of the test results and a systematic approach to debugging. In this particular commit, the following testsuite failure was noted:

  • gcc-linux-rv32gc_zba_zbb_zbc_zbs-ilp32d-8a6b9b4161decbc12e26860163379f8e80feabc1-non-multilib: This failure was likely caused by a testsuite timeout, as the testsuite artifact could not be found. Testsuite timeouts can occur due to various reasons, such as overly complex tests, insufficient resources, or issues with the testing environment. Addressing timeout issues often involves optimizing the tests, increasing resource allocations, or resolving underlying system problems.

Testsuite failures are categorized to provide a clear picture of the compiler's health. New failures indicate problems introduced by the current commit, resolved failures show previously failing tests that now pass, and unresolved failures persist across multiple commits. This categorization helps in prioritizing bug fixes and tracking the progress of compiler development. For the analyzed commit, a detailed breakdown of unresolved failures is provided, offering insights into the areas that require focused attention.

Unresolved Failures: A Persistent Challenge

Unresolved failures are a critical concern in software development. These are the issues that have persisted across multiple commits, indicating a deeper problem that needs to be addressed. The presence of unresolved failures can impact the overall stability and reliability of the compiler, making it essential to identify and resolve them promptly. In the context of commit 8a6b9b4161, several unresolved failures have been identified across different configurations. A thorough investigation into these failures is crucial to ensure the long-term health of the GCC compiler. These failures are classified by the target architecture and configuration, providing a granular view of the problem areas. The following unresolved failures were observed:

The unresolved failures listed below highlight the configurations and the number of failures for gcc, g++, and gfortran. Understanding these numbers is essential for prioritizing fixes and allocating resources effectively. Each configuration represents a specific target architecture and compilation environment, and the number of failures indicates the extent of the problem in that particular configuration. Addressing these failures requires a systematic approach, starting with the most critical issues and progressing towards the less severe ones. The configurations affected include:

  1. linux: RVA23U64 profile lp64d medlow multilib: gcc (412/90), g++ (54/14), gfortran (18/3)
  2. linux: rv32gcv ilp32d medlow multilib: gcc (432/97), g++ (54/14), gfortran (18/3)
  3. linux: rv64 Vector Crypto lp64d medlow multilib: gcc (463/127), g++ (54/14), gfortran (18/3)
  4. linux: rv64gc lp64d medlow: gcc (323/43), g++ (51/13), gfortran (18/3)
  5. linux: rv64gcv lp64d medlow multilib: gcc (411/89), g++ (54/14), gfortran (18/3)
  6. newlib: RVA23U64 profile lp64d medlow multilib: gcc (431/90), g++ (35/13), gfortran (0/0)
  7. newlib: rv32 Bitmanip ilp32d medlow: gcc (555/94), g++ (32/12), gfortran (0/0)
  8. newlib: rv32gcv ilp32d medlow multilib: gcc (634/134), g++ (35/13), gfortran (0/0)
  9. newlib: rv32imac ilp32 medlow multilib: gcc (391/64), g++ (32/12), gfortran (0/0)
  10. newlib: rv32imac_zba_zbb_zbc_zbs ilp32 medlow multilib: gcc (566/99), g++ (32/12), gfortran (0/0)
  11. newlib: rv32imc ilp32 medlow multilib: gcc (391/64), g++ (32/12), gfortran (0/0)
  12. newlib: rv32imc_zba_zbb_zbc_zbs ilp32 medlow multilib: gcc (566/99), g++ (32/12), gfortran (0/0)
  13. newlib: rv32imc_zba_zbb_zbc_zbs_zicsr_zifencei ilp32 medlow multilib: gcc (566/99), g++ (32/12), gfortran (0/0)
  14. newlib: rv32imc_zicsr_zifencei ilp32 medlow multilib: gcc (391/64), g++ (32/12), gfortran (0/0)
  15. newlib: rv64 Bitmanip lp64d medlow: gcc (345/46), g++ (32/12), gfortran (0/0)
  16. newlib: rv64 Vector Crypto lp64d medlow multilib: gcc (482/127), g++ (35/13), gfortran (0/0)
  17. newlib: rv64gcv lp64d medlow multilib: gcc (430/89), g++ (35/13), gfortran (0/0)
  18. newlib: rv64imac lp64 medlow multilib: gcc (347/48), g++ (32/12), gfortran (0/0)
  19. newlib: rv64imac_zba_zbb_zbc_zbs lp64 medlow multilib: gcc (539/86), g++ (32/12), gfortran (0/0)
  20. newlib: rv64imc lp64 medlow multilib: gcc (347/48), g++ (32/12), gfortran (0/0)
  21. newlib: rv64imc_zba_zbb_zbc_zbs lp64 medlow multilib: gcc (539/86), g++ (32/12), gfortran (0/0)
  22. newlib: rv64imc_zba_zbb_zbc_zbs_zicsr_zifencei lp64 medlow multilib: gcc (539/86), g++ (32/12), gfortran (0/0)
  23. newlib: rv64imc_zicsr_zifencei lp64 medlow multilib: gcc (347/48), g++ (32/12), gfortran (0/0)

Each entry lists the number of failures for gcc, g++, and gfortran, providing a detailed view of the problematic areas. Analyzing these numbers helps developers prioritize their efforts and address the most critical issues first. It's also important to note the previous hash (c64308e297a13d0f0e19ec871b5e81348b4da484 and c90563edba3a7e9b5a25ef2f031cf909c2926214) for comparison, allowing for tracking of failure trends over time. Comparing failures against previous commits helps in identifying regressions and understanding the impact of recent changes.

The links provided offer a direct comparison between the current commit and the previous ones, making it easier to trace the origin of the failures. By examining the changes introduced in the current commit, developers can pinpoint the code modifications that may have led to the testsuite failures. This comparative analysis is a powerful tool for identifying the root causes of issues and implementing effective solutions.

Associated Run

The associated run for this testsuite status is available at https://github.com/patrick-rivos/gcc-postcommit-ci/actions/runs/19777246385. This link provides access to the complete details of the test run, including logs, configurations, and results. Examining the associated run is crucial for a comprehensive understanding of the testsuite status and for diagnosing any issues that may have arisen. The run details provide a wealth of information that can aid in the debugging process and help developers make informed decisions about the next steps.

Conclusion

In conclusion, the testsuite status for GCC commit 8a6b9b4161 reveals a mix of build failures and unresolved testsuite issues. Addressing these failures is critical to ensuring the stability and reliability of the GCC compiler. By systematically analyzing the logs, comparing against previous commits, and leveraging the information provided in the associated run, developers can effectively diagnose and resolve these issues. The ongoing effort to maintain a healthy testsuite is essential for the continued success of the GCC project.

For more information on GCC testing and development, visit the GNU Compiler Collection (GCC) website.