RFR: 8295351: java/lang/Float/Binary16Conversion.java fails with "Unexpected result of converting"

[David Holmes]

On Tue, 22 Nov 2022 21:52:59 GMT, Smita Kamath <svkamath at openjdk.org> wrote:

> 8295351: java/lang/Float/Binary16Conversion.java fails with "Unexpected result of converting"

src/hotspot/share/runtime/sharedRuntime.cpp line 455:

> 453:   union {jfloat f; juint i;} bits;
> 454:   bits.f = x;
> 455:   jint doppel = bits.i;

Doesn't the conversion from unsigned to signed risk a compiler warning being emitted?

Can't you just use the existing `JavaValue` type to perform the union conversion trick?

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PR: https://git.openjdk.org/jdk/pull/11301