From: Julian Seward <jseward@acm.org>
Date: Mon, 28 Aug 2006 18:04:33 +0000 (+0000)
Subject: Stop mkU16 asserting if d32 is a negative 16-bit number (bug #132813).
X-Git-Tag: svn/VALGRIND_3_3_1^2~100
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=59857ee550514dfd0b3c4c39c35c6728ae712e19;p=thirdparty%2Fvalgrind.git

Stop mkU16 asserting if d32 is a negative 16-bit number (bug #132813).



git-svn-id: svn://svn.valgrind.org/vex/trunk@1652
---

diff --git a/VEX/priv/guest-x86/toIR.c b/VEX/priv/guest-x86/toIR.c
index e349cd0cf5..8edb730d15 100644
--- a/VEX/priv/guest-x86/toIR.c
+++ b/VEX/priv/guest-x86/toIR.c
@@ -11728,6 +11728,10 @@ DisResult disInstr_X86_WRK (
       t1 = newTemp(Ity_I32); t2 = newTemp(ty);
       assign( t1, binop(Iop_Sub32,getIReg(4,R_ESP),mkU32(sz)) );
       putIReg(4, R_ESP, mkexpr(t1) );
+      /* stop mkU16 asserting if d32 is a negative 16-bit number
+         (bug #132813) */
+      if (ty == Ity_I16)
+         d32 &= 0xFFFF;
       storeLE( mkexpr(t1), mkU(ty,d32) );
       DIP("push%c $0x%x\n", nameISize(sz), d32);
       break;