[jdk11u-dev] RFR: 8282312: Minor corrections to evbroadcasti32x4 intrinsic on x86

[Goetz Lindenmaier]

I backport this for parity with 11.0.16-oracle.

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Commit messages:
 - Backport 8b45dbdae6e5dee85ef65ce25850ce692ad3e965

Changes: https://git.openjdk.java.net/jdk11u-dev/pull/1011/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk11u-dev&pr=1011&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8282312
  Stats: 2 lines in 1 file changed: 0 ins; 0 del; 2 mod
  Patch: https://git.openjdk.java.net/jdk11u-dev/pull/1011.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk11u-dev pull/1011/head:pull/1011

PR: https://git.openjdk.java.net/jdk11u-dev/pull/1011