[vectorIntrinsics] RFR: 8260668: vectorIntrinsics windows build problem

[Sandhya Viswanathan]

The panama-vector vectorIntrinsics branch fails to build on windows.
This is happening because /Ta option is no more supported by the VS2019 C compiler to generate obj from assembly files.
The alternative is to use the windows assembler instead for this purpose.

Best Regards,
Sandhya

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Commit messages:
 - 8260668: vectorIntrinsics windows build problem

Changes: https://git.openjdk.java.net/panama-vector/pull/34/files
 Webrev: https://webrevs.openjdk.java.net/?repo=panama-vector&pr=34&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8260668
  Stats: 55 lines in 3 files changed: 12 ins; 0 del; 43 mod
  Patch: https://git.openjdk.java.net/panama-vector/pull/34.diff
  Fetch: git fetch https://git.openjdk.java.net/panama-vector pull/34/head:pull/34

PR: https://git.openjdk.java.net/panama-vector/pull/34