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From: <sv...@va...> - 2008-04-28 21:05:45
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Author: sewardj
Date: 2008-04-28 22:05:33 +0100 (Mon, 28 Apr 2008)
New Revision: 1826
Log:
Enable FUCOMPP on amd64. Fixes #161378.
Modified:
trunk/priv/guest-amd64/toIR.c
Modified: trunk/priv/guest-amd64/toIR.c
===================================================================
--- trunk/priv/guest-amd64/toIR.c 2008-04-20 20:01:03 UTC (rev 1825)
+++ trunk/priv/guest-amd64/toIR.c 2008-04-28 21:05:33 UTC (rev 1826)
@@ -5159,19 +5159,20 @@
get_ST(0), get_ST(r_src)) );
break;
-//.. case 0xE9: /* FUCOMPP %st(0),%st(1) */
-//.. DIP("fucompp %%st(0),%%st(1)\n");
-//.. /* This forces C1 to zero, which isn't right. */
-//.. put_C3210(
-//.. binop( Iop_And32,
-//.. binop(Iop_Shl32,
-//.. binop(Iop_CmpF64, get_ST(0), get_ST(1)),
-//.. mkU8(8)),
-//.. mkU32(0x4500)
-//.. ));
-//.. fp_pop();
-//.. fp_pop();
-//.. break;
+ case 0xE9: /* FUCOMPP %st(0),%st(1) */
+ DIP("fucompp %%st(0),%%st(1)\n");
+ /* This forces C1 to zero, which isn't right. */
+ put_C3210(
+ unop(Iop_32Uto64,
+ binop( Iop_And32,
+ binop(Iop_Shl32,
+ binop(Iop_CmpF64, get_ST(0), get_ST(1)),
+ mkU8(8)),
+ mkU32(0x4500)
+ )));
+ fp_pop();
+ fp_pop();
+ break;
default:
goto decode_fail;
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