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[jitstress-isas-x86] Assertion failed 'compiler->compIsaSupportedDebugOnly(isa)' during 'Generate code' #71928
changed the title [-][jitstress-isas-x86] Assertion failed 'compiler->compIsaSupportedDebugOnly(isa)' in 'JIT.HardwareIntrinsics.General.VectorBinaryOpTest__op_DivisionDouble:.ctor():this' during 'Generate code'[/-][+][jitstress-isas-x86] Assertion failed 'compiler->compIsaSupportedDebugOnly(isa)' during 'Generate code'[/+]on Jul 11, 2022
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[-][jitstress-isas-x86] Assertion failed 'compiler->compIsaSupportedDebugOnly(isa)' in 'JIT.HardwareIntrinsics.General.VectorBinaryOpTest__op_DivisionDouble:.ctor():this' during 'Generate code'[/-][+][jitstress-isas-x86] Assertion failed 'compiler->compIsaSupportedDebugOnly(isa)' during 'Generate code'[/+]jakobbotsch commentedon Jul 11, 2022
This is a relatively recent regression, the June 18th run does not have this problem while June 25th does.
jakobbotsch commentedon Jul 11, 2022
From a bisection this seems to be introduced/exposed by #69434. @tannergooding do you have an idea why that could cause this problem?
tannergooding commentedon Jul 11, 2022
I expect there is a mismatched check around the "baseline" ISAs (SSE/SSE2) and
COMPlus_EnableSSE2=0being set. Will take a lookJulieLeeMSFT commentedon Jul 19, 2022
Same assertion in a different method.
JulieLeeMSFT commentedon Jul 19, 2022
runtime-coreclr jitstress-isas-x86 is constatnly failing.
JIT: Skip Min/Max optimization when SSE2 is not enabled
JIT: Skip Min/Max optimization when SSE2 is not enabled (#72991)