From: bellard <bellard@c046a42c-6fe2-441c-8c8c-71466251a162>
Date: Wed, 25 Feb 2004 23:15:06 +0000 (+0000)
Subject: fpu fix
X-Git-Tag: release_0_9_0-iwjtag~1756
X-Git-Url: http://xenbits.xensource.com/gitweb?a=commitdiff_plain;h=2edcdce334e8bf6143a498550a39e4a363c69bfc;p=qemu-xen-4.4-testing.git

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 31168573e..0c320836c 100644
--- 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;
     }