pan/bi: Implement f2f16_rtz
Used in OpenCL (and Vulkan, if I'm not mistaken). Just like f2f16 but with the
rounding mode overriden. Easy enough for us :-)
Fixes test_half.vstore_half_rtz.Due to an influx of spam, we have had to impose restrictions on new accounts. Please see this wiki page for instructions on how to get full permissions. Sorry for the inconvenience.
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Used in OpenCL (and Vulkan, if I'm not mistaken). Just like f2f16 but with the
rounding mode overriden. Easy enough for us :-)
Fixes test_half.vstore_half_rtz.