[Mesa-dev] [Bug 94291] llvmpipe tests fail if built on skylake i7-6700k

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=94291

            Bug ID: 94291
           Summary: llvmpipe tests fail if built on skylake i7-6700k
           Product: Mesa
           Version: 11.2
          Hardware: Other
                OS: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Other
          Assignee: mesa-dev at lists.freedesktop.org
          Reporter: tjaalton at ubuntu.com
        QA Contact: mesa-dev at lists.freedesktop.org

building on skylake will fail on llvmpipe tests:

make  check-TESTS
make[5]: Entering directory '/«PKGBUILDDIR»/build/src/gallium/drivers/llvmpipe'
make[6]: Entering directory '/«PKGBUILDDIR»/build/src/gallium/drivers/llvmpipe'
PASS: lp_test_printf
../../../../../bin/test-driver: line 107: 32508 Illegal instruction     (core
dumped) "$@" > $log_file 2>&1
FAIL: lp_test_conv
../../../../../bin/test-driver: line 107: 32509 Illegal instruction     (core
dumped) "$@" > $log_file 2>&1
FAIL: lp_test_blend
../../../../../bin/test-driver: line 107: 32513 Illegal instruction     (core
dumped) "$@" > $log_file 2>&1
../../../../../bin/test-driver: line 107: 32511 Illegal instruction     (core
dumped) "$@" > $log_file 2>&1
FAIL: lp_test_arit
FAIL: lp_test_format

broadwell is fine, and using the same llvm version (3.8-rc) on 11.1.x works
fine, so this is a regression in the 11.2 branch

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