added loop/xadd/cmpxchg support

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@29 c046a42c-6fe2-441c-8c8c-71466251a162

1 files changed, 19 insertions, 0 deletions

diff --git a/op-i386.c b/op-i386.c
index 503fb88..f8188e3 100644
--- a/op-i386.c
+++ b/op-i386.c
@@ -2085,3 +2085,22 @@ void OPPROTO op_fldcw_A0(void)
     fesetround(rnd_type);
 }
 
+void OPPROTO op_fclex(void)
+{
+    env->fpus &= 0x7f00;
+}
+
+void OPPROTO op_fninit(void)
+{
+    env->fpus = 0;
+    env->fpstt = 0;
+    env->fpuc = 0x37f;
+    env->fptags[0] = 1;
+    env->fptags[1] = 1;
+    env->fptags[2] = 1;
+    env->fptags[3] = 1;
+    env->fptags[4] = 1;
+    env->fptags[5] = 1;
+    env->fptags[6] = 1;
+    env->fptags[7] = 1;
+}