From: Julian Seward <jseward@acm.org>
Date: Sat, 9 Oct 2004 00:58:19 +0000 (+0000)
Subject: Fold 1Uto32.
X-Git-Tag: svn/VALGRIND_3_0_1^2~1023
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=25758504fd9bf0ddf57f981f6d2c849c8b392b98;p=thirdparty%2Fvalgrind.git

Fold 1Uto32.


git-svn-id: svn://svn.valgrind.org/vex/trunk@311
---

diff --git a/VEX/priv/ir/iropt.c b/VEX/priv/ir/iropt.c
index 2b175994fd..e74bb23ef4 100644
--- a/VEX/priv/ir/iropt.c
+++ b/VEX/priv/ir/iropt.c
@@ -345,6 +345,11 @@ static IRExpr* fold_Expr ( IRExpr* e )
    if (e->tag == Iex_Unop
        && e->Iex.Unop.arg->tag == Iex_Const) {
       switch (e->Iex.Unop.op) {
+         case Iop_1Uto32:
+            e2 = IRExpr_Const(IRConst_U32(
+                    e->Iex.Unop.arg->Iex.Const.con->Ico.Bit
+                    ? 1 : 0));
+            break;
          case Iop_8Sto32: {
             /* signed */ Int s32 = e->Iex.Unop.arg->Iex.Const.con->Ico.U8;
             s32 <<= 24;