target-alpha: Raise EXC_M_INV properly for fp inputs
commitb99e80694cc635aa6ed5a3716e89645a8afa261c
authorRichard Henderson <rth@twiddle.net>
Tue, 8 Jul 2014 17:11:06 +0000 (8 10:11 -0700)
committerRichard Henderson <rth@twiddle.net>
Mon, 18 May 2015 20:03:47 +0000 (18 13:03 -0700)
treea866e348753af9ca27b6fd0f9fa3a03e8168545b
parented0851380c8ed181ddd6ed3542b14fcb0bca6700
target-alpha: Raise EXC_M_INV properly for fp inputs

Ignore DNZ if software completion isn't used.  Raise INV for
denormals in system mode so the OS completion handler sees them.

Reported-by: Al Viro <viro@ZenIV.linux.org.uk>
Signed-off-by: Richard Henderson <rth@twiddle.net>
target-alpha/fpu_helper.c
target-alpha/helper.h
target-alpha/translate.c