On Mon, 19 Sep 2022 10:25:50 GMT, Aleksey Shipilev <sh...@openjdk.org> wrote:
> Reliably reproduces on x86-32 with FPU: > > > $ CONF=linux-x86-server-fastdebug make test > TEST=java/lang/Float/Binary16ConversionNaN.java TEST_VM_OPTS="-XX:UseAVX=0 > -XX:UseSSE=0" > ... > Roundtrip failure on NaN value 7de2 got back 7fe2 > Roundtrip failure on NaN value fde2 got back ffe2 > > > Since there are many NaN values in FP16 -- basically any non-zero significand > works, we should probably just relax the test a bit. > > Attn @jddarcy ;) > > Additional testing: > - [x] Linux x86_32 fastdebug, `-XX:UseAVX=0 -XX:UseSSE=0`, affected test now > passes > - [x] Linux x86_32 fastdebug, `-XX:UseAVX=0 -XX:UseSSE=1`, affected test > still passes > - [x] Linux x86_64 fastdebug, affected test still passes This pull request has now been integrated. Changeset: 0b56b822 Author: Aleksey Shipilev <sh...@openjdk.org> URL: https://git.openjdk.org/jdk/commit/0b56b822436a0662170c11777ff0009b89a667eb Stats: 1 line in 1 file changed: 1 ins; 0 del; 0 mod 8293991: java/lang/Float/Binary16ConversionNaN.java fails on silent NaN conversions Reviewed-by: darcy ------------- PR: https://git.openjdk.org/jdk/pull/10333