target-i386: Dump unknown opcodes with -d unimp
commitb9f9c5b41aab06479cb1695990b7cca98ef84fc7
authorRichard Henderson <rth@twiddle.net>
Wed, 2 Mar 2016 00:53:18 +0000 (1 16:53 -0800)
committerRichard Henderson <rth@twiddle.net>
Mon, 14 Mar 2016 17:53:07 +0000 (14 10:53 -0700)
tree53301aa7c0733cd0991e4fb381b24f49c29b4c4d
parentf083d92c03e7a0741d2a9eba774a60d5a3ca772f
target-i386: Dump unknown opcodes with -d unimp

We discriminate here between opcodes that are illegal in the current
cpu mode or with illegal arguments (such as modrm.mod == 3) and
encodings that are unknown (such as an unimplemented isa extension).

Signed-off-by: Richard Henderson <rth@twiddle.net>
target-i386/translate.c