From: Julian Seward <jseward@acm.org>
Date: Fri, 29 Jul 2005 11:57:00 +0000 (+0000)
Subject: Implement ffreep %st(0).  Fixes #109718.
X-Git-Tag: svn/VALGRIND_3_0_1^2~29
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=8e9fe4da50db47a87af9be16b7b374626db53d13;p=thirdparty%2Fvalgrind.git

Implement ffreep %st(0).  Fixes #109718.


git-svn-id: svn://svn.valgrind.org/vex/trunk@1305
---

diff --git a/VEX/priv/guest-x86/toIR.c b/VEX/priv/guest-x86/toIR.c
index effd76819b..449546a463 100644
--- a/VEX/priv/guest-x86/toIR.c
+++ b/VEX/priv/guest-x86/toIR.c
@@ -4787,6 +4787,12 @@ UInt dis_FPU ( Bool* decode_ok, UChar sorb, Int delta )
          delta++;
          switch (modrm) {
 
+            case 0xC0: /* FFREEP %st(0) */
+               DIP("ffreep %%st(%d)\n", 0);
+               put_ST_TAG ( 0, mkU8(0) );
+               fp_pop();
+               break;
+
             case 0xE0: /* FNSTSW %ax */
                DIP("fnstsw %%ax\n");
                /* Get the FPU status word value and dump it in %AX. */