HPPA floating point exception handling fixes
Fixes and improvements in the floating point exception
handling in the hppa system and user emulation.
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* tag 'hppa-fpe-fixup-pull-request' of https://github.com/hdeller/qemu-hppa:
target/hppa: Fix FPE exceptions
linux-user/hppa: Send proper si_code on SIGFPE exception
target/hppa: Copy instruction code into fr1 on FPU assist fault
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>