From: Cerion Armour-Brown <cerion@valgrind.org>
Date: Fri, 25 Feb 2005 10:23:46 +0000 (+0000)
Subject: Fix to guest-ppc32 subfic
X-Git-Tag: svn/VALGRIND_3_0_1^2~373
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=4bec5bcc68c9d9b584f90c7666ff98d6b166ff7b;p=thirdparty%2Fvalgrind.git

Fix to guest-ppc32 subfic



git-svn-id: svn://svn.valgrind.org/vex/trunk@961
---

diff --git a/VEX/priv/guest-ppc32/toIR.c b/VEX/priv/guest-ppc32/toIR.c
index e46acb0f15..7eb8f23680 100644
--- a/VEX/priv/guest-ppc32/toIR.c
+++ b/VEX/priv/guest-ppc32/toIR.c
@@ -1153,8 +1153,7 @@ static Bool dis_int_arith ( UInt theInstr )
 
    case 0x08: // subfic   (Subtract from Immediate Carrying, p613)
       DIP("subfic r%d,r%d,0x%x\n", Rd_addr, Ra_addr, SIMM_16);
-      assign( Rd, binop(Iop_Add32, unop(Iop_Not32, mkexpr(Ra)),
-                        mkU32(EXTS_SIMM)) );
+      assign( Rd, binop(Iop_Sub32, mkU32(EXTS_SIMM), mkexpr(Ra)) );
       op = PPC32G_FLAG_OP_SUBFI;
       do_ca = True;
       break;