[Valgrind-developers] vex: r2136 - trunk/priv

[<sv...@va...>]

Author: sewardj
Date: 2011-04-28 22:03:54 +0100 (Thu, 28 Apr 2011)
New Revision: 2136

Log:
Handle Iop_Not64 when doing 32-bit code generation.  Also, assert that
iselWordExpr_R is not asked to handle Iop_Not64 in 32-bit mode.
Fixes #270856.  (Maynard Johnson, may...@us...)



Modified:
   trunk/priv/host_ppc_isel.c


Modified: trunk/priv/host_ppc_isel.c
===================================================================
--- trunk/priv/host_ppc_isel.c	2011-04-28 20:13:45 UTC (rev 2135)
+++ trunk/priv/host_ppc_isel.c	2011-04-28 21:03:54 UTC (rev 2136)
@@ -1615,6 +1615,7 @@
       case Iop_Not16:
       case Iop_Not32:
       case Iop_Not64: {
+         if (op_unop == Iop_Not64) vassert(mode64);
          HReg r_dst = newVRegI(env);
          HReg r_src = iselWordExpr_R(env, e->Iex.Unop.arg);
          addInstr(env, PPCInstr_Unary(Pun_NOT,r_dst,r_src));
@@ -2885,6 +2886,18 @@
          return;
       }
 
+      case Iop_Not64: {
+         HReg xLo, xHi;
+         HReg tmpLo = newVRegI(env);
+         HReg tmpHi = newVRegI(env);
+         iselInt64Expr(&xHi, &xLo, env, e->Iex.Unop.arg);
+         addInstr(env, PPCInstr_Unary(Pun_NOT,tmpLo,xLo));
+         addInstr(env, PPCInstr_Unary(Pun_NOT,tmpHi,xHi));
+         *rHi = tmpHi;
+         *rLo = tmpLo;
+         return;
+      }
+
       /* ReinterpF64asI64(e) */
       /* Given an IEEE754 double, produce an I64 with the same bit
          pattern. */