[release/9.0] Ensure that Vector128.CreateSequence works on x86 for non-constant 64-bit inputs#107147

jeffschwMSFT merged 5 commits intorelease/9.0dotnet/runtime:release/9.0from

backport/pr-107053-to-release/9.0dotnet/runtime:backport/pr-107053-to-release/9.0Copy head branch name to clipboard