MIPS: Dumb MSA FP exception handler
This patch adds a simple handler for MSA FP exceptions which delivers a SIGFPE to the running task. In the future it should probably be extended to re-execute the instruction with the MSACSR.NX bit set in order to generate results for any elements which did not cause an exception before delivering the SIGFPE signal. Signed-off-by: NPaul Burton <paul.burton@imgtec.com> Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/6432/Signed-off-by: NRalf Baechle <ralf@linux-mips.org>
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