From: Avi Kivity <[email protected]> Most x86 two operand instructions allow the destination to be a memory operand, but IMUL (for example) requires that the destination be a register. Change ____emulate_2op() to take a register for both source and destination so we can invoke IMUL.
Signed-off-by: Avi Kivity <[email protected]> diff --git a/arch/x86/kvm/emulate.c b/arch/x86/kvm/emulate.c index 49bfcc7..f6f93b9 100644 --- a/arch/x86/kvm/emulate.c +++ b/arch/x86/kvm/emulate.c @@ -200,7 +200,7 @@ struct group_dual { _PRE_EFLAGS("0", "4", "2") \ _op _suffix " %"_x"3,%1; " \ _POST_EFLAGS("0", "4", "2") \ - : "=m" (_eflags), "=m" (*(_dsttype*)&(_dst).val),\ + : "=m" (_eflags), "+q" (*(_dsttype*)&(_dst).val),\ "=&r" (_tmp) \ : _y ((_src).val), "i" (EFLAGS_MASK)); \ } while (0) -- To unsubscribe from this list: send the line "unsubscribe kvm-commits" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
