RFR: 8356281: Fix for TestFPComparison failure due to incorrect result

Wed May 7 16:12:46 UTC 2025

This PR fixes the cause of failure in TestFPComparison while using APX NDD instructions.

The test passes after using this fix as shown below:

Passed: compiler/c2/irTests/TestFPComparison.java
Test results: passed: 1

==============================
Test summary
==============================
   TEST                                              TOTAL  PASS  FAIL ERROR  SKIP   
   jtreg:test/hotspot/jtreg/compiler/c2/irTests/TestFPComparison.java
                                                         1     1     0     0     0   
==============================
TEST SUCCESS

-------------

Commit messages:
 - JDK-8356281: Fix for TestFPComparison failure due to incorrect result

Changes: https://git.openjdk.org/jdk/pull/25101/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=25101&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8356281
  Stats: 15 lines in 1 file changed: 0 ins; 0 del; 15 mod
  Patch: https://git.openjdk.org/jdk/pull/25101.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/25101/head:pull/25101

PR: https://git.openjdk.org/jdk/pull/25101