Author: sewardj
Date: 2007-11-16 02:30:38 +0000 (Fri, 16 Nov 2007)
New Revision: 1796
Log:
Implement SALC. Fixes #147628.
Modified:
trunk/priv/guest-x86/toIR.c
Modified: trunk/priv/guest-x86/toIR.c
===================================================================
--- trunk/priv/guest-x86/toIR.c 2007-11-16 00:18:44 UTC (rev 1795)
+++ trunk/priv/guest-x86/toIR.c 2007-11-16 02:30:38 UTC (rev 1796)
@@ -12207,6 +12207,19 @@
stmt( IRStmt_Put( OFFB_CC_NDEP, mkU32(0) ));
break;
+ case 0xD6: /* SALC */
+ t0 = newTemp(Ity_I32);
+ t1 = newTemp(Ity_I32);
+ assign( t0, binop(Iop_And32,
+ mk_x86g_calculate_eflags_c(),
+ mkU32(1)) );
+ assign( t1, binop(Iop_Sar32,
+ binop(Iop_Shl32, mkexpr(t0), mkU8(31)),
+ mkU8(31)) );
+ putIReg(1, R_EAX, unop(Iop_32to8, mkexpr(t1)) );
+ DIP("salc\n");
+ break;
+
/* REPNE prefix insn */
case 0xF2: {
Addr32 eip_orig = guest_EIP_bbstart + delta - 1;
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