RFR: 8368985: Small Float16 refactorings

[Eirik Bjørsnøs]

On Wed, 1 Oct 2025 04:29:56 GMT, Joe Darcy <darcy at openjdk.org> wrote:

> A few more small cleanups to Float16 and its tests.

src/jdk.incubator.vector/share/classes/jdk/incubator/vector/Float16.java line 736:

> 734:         final short bits = float16ToRawShortBits(f16);
> 735:         // A NaN value has all ones in its exponent and a non-zero significand
> 736:         return ((bits & EXP_BIT_MASK) == 0x7c00 && (bits & SIGNIF_BIT_MASK) != 0);

Should the leftover 0x7c00  also be replaced with the constant?

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PR Review Comment: https://git.openjdk.org/jdk/pull/27587#discussion_r2393600002