fpu fix

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@639 c046a42c-6fe2-441c-8c8c-71466251a162

diff --git a/target-i386/helper.c b/target-i386/helper.c
index 31168573ed0277b36e58b3063c85c7df69d5e945..0c320836c58c5d64db97a9111b90b1719cba8cb6 100644 (file)
--- a/target-i386/helper.c
+++ b/target-i386/helper.c
@@ -2364,10 +2364,10 @@ void helper_fstenv(uint8_t *ptr, int data32)
         stl(ptr, env->fpuc);
         stl(ptr + 4, fpus);
         stl(ptr + 8, fptag);
-        stl(ptr + 12, 0);
-        stl(ptr + 16, 0);
-        stl(ptr + 20, 0);
-        stl(ptr + 24, 0);
+        stl(ptr + 12, 0); /* fpip */
+        stl(ptr + 16, 0); /* fpcs */
+        stl(ptr + 20, 0); /* fpoo */
+        stl(ptr + 24, 0); /* fpos */
     } else {
         /* 16 bit */
         stw(ptr, env->fpuc);
@@ -2396,7 +2396,7 @@ void helper_fldenv(uint8_t *ptr, int data32)
     }
     env->fpstt = (fpus >> 11) & 7;
     env->fpus = fpus & ~0x3800;
-    for(i = 0;i < 7; i++) {
+    for(i = 0;i < 8; i++) {
         env->fptags[i] = ((fptag & 3) == 3);
         fptag >>= 2;
     }