x86_emulate: Fix IMUL r/m8 emulation.

Signed-off-by: Keir Fraser <keir.fraser@citrix.com>

diff --git a/xen/arch/x86/x86_emulate.c b/xen/arch/x86/x86_emulate.c
index 32a11b6be4451378d55bda776c61c544696f704a..b240a0a48ec7f1bf90c3970746d1f36149c03b1a 100644 (file)
--- a/xen/arch/x86/x86_emulate.c
+++ b/xen/arch/x86/x86_emulate.c
@@ -1755,6 +1755,7 @@ x86_emulate(
                            (uint16_t)(int8_t)dst.val);
                 if ( (int8_t)dst.val != (uint16_t)dst.val )
                     _regs.eflags |= EFLG_OF|EFLG_CF;
+                dst.bytes = 2;
                 break;
             case 2:
                 dst.val = ((uint32_t)(int16_t)src.val *