JDK-8291881 : compiler/codegen/Test*Vect.java test fail with -XX:+SuperWordRTDepCheck
  • Type: Bug
  • Component: hotspot
  • Sub-Component: compiler
  • Affected Version: 11,17,19,20
  • Priority: P3
  • Status: Open
  • Resolution: Unresolved
  • Submitted: 2022-08-04
  • Updated: 2022-10-24
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Other
tbdUnresolved
Related Reports
Relates :  
JDK-8291781 - assert(!is_visited) failed: visit only once with -XX:+SuperWordRTDepCheck
Description
The tests fail due to an unexpected result:

test_2vi_unaln_overlap: a1[959] = 103.0 != 123.0
test_2vi_unaln_overlap: a1[960] = 103.0 != 123.0
test_2vi_unaln_overlap: a1[961] = 103.0 != 123.0
test_2vi_unaln_overlap: a1[967] = 103.0 != 123.0
test_2vi_unaln_overlap: a1[968] = 103.0 != 123.0
test_2vi_unaln_overlap: a1[969] = 103.0 != 123.0
test_2vi_unaln_overlap: a1[975] = 103.0 != 123.0
test_2vi_unaln_overlap: a1[976] = 103.0 != 123.0
test_2vi_unaln_overlap: a1[977] = 103.0 != 123.0
test_2vi_unaln_overlap: a1[983] = 103.0 != 123.0
test_2vi_unaln_overlap: a1[984] = 103.0 != 123.0
test_2vi_unaln_overlap: a1[985] = 103.0 != 123.0
FAILED: 615 errors
Comments
Moving this to 'tbd' because the flag implementation seems to be incomplete (JDK-8291781) and it only affects debug builds.
24-10-2022
See also JDK-8291781. We might want to remove the flag.
10-08-2022
ILW = Incorrect result of C2 compiled code, multiple tests with non-default stress option, disable superword or compilation of affected method = HLM = P3
04-08-2022