[vectorIntrinsics] RFR: 8264820: jdk/incubator/vector/FloatMaxVectorTests.java fails on AVX512 due to incorrect vector_exp_float512 entry

[Jie Fu]

Hi all,

jdk/incubator/vector/FloatMaxVectorTests.java fails on AVX512 fails on AVX512 machines.
The reason is that vector_exp_float512 entry is wrong after JDK-8264321.

Before JDK-8264321:
 StubRoutines::_vector_exp_float512 = __svml_expf16_ha_z0

After JDK-8264321:
 StubRoutines::_vector_exp_float512 = __svml_exp8_ha_z0   <--- wrong

Let's fix it.
Thanks.
Best regards,
Jie

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Commit messages:
 - 8264820: jdk/incubator/vector/FloatMaxVectorTests.java fails on AVX512 due to incorrect vector_exp_float512 entry

Changes: https://git.openjdk.java.net/panama-vector/pull/60/files
 Webrev: https://webrevs.openjdk.java.net/?repo=panama-vector&pr=60&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8264820
  Stats: 1 line in 1 file changed: 0 ins; 0 del; 1 mod
  Patch: https://git.openjdk.java.net/panama-vector/pull/60.diff
  Fetch: git fetch https://git.openjdk.java.net/panama-vector pull/60/head:pull/60

PR: https://git.openjdk.java.net/panama-vector/pull/60