Implement missing XCHG insns.

MERGE TO HEAD

git-svn-id: svn://svn.valgrind.org/valgrind/branches/VALGRIND_1_0_BRANCH@1128

diff --git a/vg_to_ucode.c b/vg_to_ucode.c
index 822d9caee29568feba4402002c57eef00d74ef88..0ad889b576da9aeebd0f894f2268b50f7f7038e6 100644 (file)
--- a/vg_to_ucode.c
+++ b/vg_to_ucode.c
@@ -4175,7 +4175,9 @@ static Addr disInstr ( UCodeBlock* cb, Addr eip, Bool* isEnd )
    case 0x90: /* XCHG eAX,eAX */
       if (dis) VG_(printf)("nop\n");
       break;
-   case 0x91: /* XCHG eCX,eSI */
+   case 0x91: /* XCHG eAX,eCX */
+   case 0x92: /* XCHG eAX,eDX */
+   case 0x93: /* XCHG eAX,eBX */
    case 0x96: /* XCHG eAX,eSI */
    case 0x97: /* XCHG eAX,eDI */
       codegen_xchg_eAX_Reg ( cb, sz, opc - 0x90 );