From: Julian Seward <jseward@acm.org>
Date: Wed, 30 Mar 2005 23:19:46 +0000 (+0000)
Subject: Add a folding rule for Mul64.
X-Git-Tag: svn/VALGRIND_3_0_1^2~220
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=f46b236d101474cdbc6042b6a9505af5d4af74e0;p=thirdparty%2Fvalgrind.git

Add a folding rule for Mul64.


git-svn-id: svn://svn.valgrind.org/vex/trunk@1114
---

diff --git a/VEX/priv/ir/iropt.c b/VEX/priv/ir/iropt.c
index c652f9bb0f..a84c48f2c0 100644
--- a/VEX/priv/ir/iropt.c
+++ b/VEX/priv/ir/iropt.c
@@ -1059,6 +1059,12 @@ static IRExpr* fold_Expr ( IRExpr* e )
                        (e->Iex.Binop.arg1->Iex.Const.con->Ico.U32
                         * e->Iex.Binop.arg2->Iex.Const.con->Ico.U32)));
                break;
+            case Iop_Mul64:
+               e2 = IRExpr_Const(IRConst_U64(
+                       (e->Iex.Binop.arg1->Iex.Const.con->Ico.U64
+                        * e->Iex.Binop.arg2->Iex.Const.con->Ico.U64)));
+               break;
+
             case Iop_MullS32: {
                /* very paranoid */
                UInt  u32a = e->Iex.Binop.arg1->Iex.Const.con->Ico.U32;