Improve Math.BigMul performance on x64 #117261

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Daniel-Svensson wants to merge 15 commits into dotnet:main from Daniel-Svensson:x86_bigmul

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Improve Math.BigMul performance on x64 #117261

Update src/coreclr/jit/hwintrinsiccodegenxarch.cpp

Azure Pipelines / runtime-coreclr superpmi-replay (Build SuperPMI replay standard windows x64 checked) failed Apr 13, 2026 in 1h 17m 50s

Build SuperPMI replay standard windows x64 checked failed

9 errors / 0 warnings

Annotations

Check failure on line 91 in .packages\microsoft.dotnet.helix.sdk\11.0.0-beta.26210.111\tools\Microsoft.DotNet.Helix.Sdk.MultiQueue.targets

azure-pipelines / runtime-coreclr superpmi-replay (Build SuperPMI replay standard windows x64 checked)

.packages\microsoft.dotnet.helix.sdk\11.0.0-beta.26210.111\tools\Microsoft.DotNet.Helix.Sdk.MultiQueue.targets#L91

.packages\microsoft.dotnet.helix.sdk\11.0.0-beta.26210.111\tools\Microsoft.DotNet.Helix.Sdk.MultiQueue.targets(91,5): error : (NETCORE_ENGINEERING_TELEMETRY=Test) Work item windows-arm64-1 in job 29c2ca3f-1e48-474b-946f-9d33cc15d506 has failed.
Failure log: https://helix.dot.net/api/2019-06-17/jobs/29c2ca3f-1e48-474b-946f-9d33cc15d506/workitems/windows-arm64-1/console

Check failure on line 91 in .packages\microsoft.dotnet.helix.sdk\11.0.0-beta.26210.111\tools\Microsoft.DotNet.Helix.Sdk.MultiQueue.targets

azure-pipelines / runtime-coreclr superpmi-replay (Build SuperPMI replay standard windows x64 checked)

.packages\microsoft.dotnet.helix.sdk\11.0.0-beta.26210.111\tools\Microsoft.DotNet.Helix.Sdk.MultiQueue.targets#L91

.packages\microsoft.dotnet.helix.sdk\11.0.0-beta.26210.111\tools\Microsoft.DotNet.Helix.Sdk.MultiQueue.targets(91,5): error : (NETCORE_ENGINEERING_TELEMETRY=Test) Work item windows-arm64-2 in job 29c2ca3f-1e48-474b-946f-9d33cc15d506 has failed.
Failure log: https://helix.dot.net/api/2019-06-17/jobs/29c2ca3f-1e48-474b-946f-9d33cc15d506/workitems/windows-arm64-2/console

Check failure on line 91 in .packages\microsoft.dotnet.helix.sdk\11.0.0-beta.26210.111\tools\Microsoft.DotNet.Helix.Sdk.MultiQueue.targets

azure-pipelines / runtime-coreclr superpmi-replay (Build SuperPMI replay standard windows x64 checked)

.packages\microsoft.dotnet.helix.sdk\11.0.0-beta.26210.111\tools\Microsoft.DotNet.Helix.Sdk.MultiQueue.targets#L91

.packages\microsoft.dotnet.helix.sdk\11.0.0-beta.26210.111\tools\Microsoft.DotNet.Helix.Sdk.MultiQueue.targets(91,5): error : (NETCORE_ENGINEERING_TELEMETRY=Test) Work item windows-arm64-3 in job 29c2ca3f-1e48-474b-946f-9d33cc15d506 has failed.
Failure log: https://helix.dot.net/api/2019-06-17/jobs/29c2ca3f-1e48-474b-946f-9d33cc15d506/workitems/windows-arm64-3/console

Check failure on line 91 in .packages\microsoft.dotnet.helix.sdk\11.0.0-beta.26210.111\tools\Microsoft.DotNet.Helix.Sdk.MultiQueue.targets

azure-pipelines / runtime-coreclr superpmi-replay (Build SuperPMI replay standard windows x64 checked)

.packages\microsoft.dotnet.helix.sdk\11.0.0-beta.26210.111\tools\Microsoft.DotNet.Helix.Sdk.MultiQueue.targets#L91

.packages\microsoft.dotnet.helix.sdk\11.0.0-beta.26210.111\tools\Microsoft.DotNet.Helix.Sdk.MultiQueue.targets(91,5): error : (NETCORE_ENGINEERING_TELEMETRY=Test) Work item windows-arm64-4 in job 29c2ca3f-1e48-474b-946f-9d33cc15d506 has failed.
Failure log: https://helix.dot.net/api/2019-06-17/jobs/29c2ca3f-1e48-474b-946f-9d33cc15d506/workitems/windows-arm64-4/console

Check failure on line 91 in .packages\microsoft.dotnet.helix.sdk\11.0.0-beta.26210.111\tools\Microsoft.DotNet.Helix.Sdk.MultiQueue.targets

azure-pipelines / runtime-coreclr superpmi-replay (Build SuperPMI replay standard windows x64 checked)

.packages\microsoft.dotnet.helix.sdk\11.0.0-beta.26210.111\tools\Microsoft.DotNet.Helix.Sdk.MultiQueue.targets#L91

.packages\microsoft.dotnet.helix.sdk\11.0.0-beta.26210.111\tools\Microsoft.DotNet.Helix.Sdk.MultiQueue.targets(91,5): error : (NETCORE_ENGINEERING_TELEMETRY=Test) Work item windows-arm64-5 in job 29c2ca3f-1e48-474b-946f-9d33cc15d506 has failed.
Failure log: https://helix.dot.net/api/2019-06-17/jobs/29c2ca3f-1e48-474b-946f-9d33cc15d506/workitems/windows-arm64-5/console

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