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[LoongArch64] Fix the floating-point register copy in SoftwareExceptionFrame::UpdateContextFromTransitionBlock().#126597

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[LoongArch64] Fix the floating-point register copy in SoftwareExceptionFrame::UpdateContextFromTransitionBlock().#126597
LuckyXu-HF wants to merge 2 commits intodotnet:mainfrom
LuckyXu-HF:main-LA64

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@LuckyXu-HF LuckyXu-HF commented Apr 7, 2026

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[LoongArch64] Fix the floating-point register copy in SoftwareExcepti…
e98a935 
…onFrame::UpdateContextFromTransitionBlock().
@dotnet-policy-service dotnet-policy-service bot added the community-contribution Indicates that the PR has been added by a community member label Apr 7, 2026
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LuckyXu-HF commented Apr 7, 2026

Fix the following Debug-CoreRoot failed testcases:

add_r4::main (JIT/IL_Conformance/Old/Conformance_Base/add_r4/add_r4.dll) (JIT.IL_Conformance.IL_Conformance)
div_r4::main (JIT/IL_Conformance/Old/Conformance_Base/div_r4/div_r4.dll) (JIT.IL_Conformance.IL_Conformance)
mul_r4::main (JIT/IL_Conformance/Old/Conformance_Base/mul_r4/mul_r4.dll) (JIT.IL_Conformance.IL_Conformance)
rem_r4::main (JIT/IL_Conformance/Old/Conformance_Base/rem_r4/rem_r4.dll) (JIT.IL_Conformance.IL_Conformance)
rem_r8::main (JIT/IL_Conformance/Old/Conformance_Base/rem_r8/rem_r8.dll) (JIT.IL_Conformance.IL_Conformance)
sub_r4::main (JIT/IL_Conformance/Old/Conformance_Base/sub_r4/sub_r4.dll) (JIT.IL_Conformance.IL_Conformance)
sub_r8::main (JIT/IL_Conformance/Old/Conformance_Base/sub_r8/sub_r8.dll) (JIT.IL_Conformance.IL_Conformance)
_rem::main (JIT/Regression/JitBlue/DevDiv_405852/DevDiv_405852/DevDiv_405852.dll) (JIT.Regression.Regression_3)

Failed has been fixed：

CoreRoot Test Total Passed Failed Skipped Time PassRate
Release-CoreRoot-SPC-PE32+ 14740 14522 0 218 2230.208s 100%
Debug-CoreRoot-SPC-PE32+ 14740 14522 0 218 10016.683s 100%
Checked-CoreRoot-SPC-PE32+ 14740 14522 0 218 3849.104s 100%

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LuckyXu-HF commented Apr 7, 2026

@shushanhf @jkotas could you please help to review this PR? Thanks.

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shushanhf approved these changes Apr 7, 2026
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LGTM
Thanks

This was referenced Apr 7, 2026
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