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From: <sv...@va...> - 2005-10-05 17:59:22
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Author: sewardj
Date: 2005-10-05 18:58:32 +0100 (Wed, 05 Oct 2005)
New Revision: 1415
Log:
Handle FUCOM %st(0),%st(?).
Modified:
trunk/priv/guest-amd64/toIR.c
Modified: trunk/priv/guest-amd64/toIR.c
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
--- trunk/priv/guest-amd64/toIR.c 2005-10-05 17:19:11 UTC (rev 1414)
+++ trunk/priv/guest-amd64/toIR.c 2005-10-05 17:58:32 UTC (rev 1415)
@@ -5404,19 +5404,20 @@
fp_pop();
break;
=20
-//.. case 0xE0 ... 0xE7: /* FUCOM %st(0),%st(?) */
-//.. r_dst =3D (UInt)modrm - 0xE0;
-//.. DIP("fucom %%st(0),%%st(%d)\n", r_dst);
-//.. /* This forces C1 to zero, which isn't right. */
-//.. put_C3210(=20
-//.. binop( Iop_And32,
-//.. binop(Iop_Shl32,=20
-//.. binop(Iop_CmpF64, get_ST(0), get_ST=
(r_dst)),
-//.. mkU8(8)),
-//.. mkU32(0x4500)
-//.. ));
-//.. break;
-//..=20
+ case 0xE0 ... 0xE7: /* FUCOM %st(0),%st(?) */
+ r_dst =3D (UInt)modrm - 0xE0;
+ DIP("fucom %%st(0),%%st(%d)\n", r_dst);
+ /* This forces C1 to zero, which isn't right. */
+ put_C3210(
+ unop(Iop_32Uto64,=20
+ binop( Iop_And32,
+ binop(Iop_Shl32,=20
+ binop(Iop_CmpF64, get_ST(0), get_ST(r_ds=
t)),
+ mkU8(8)),
+ mkU32(0x4500)
+ )));
+ break;
+
//.. case 0xE8 ... 0xEF: /* FUCOMP %st(0),%st(?) */
//.. r_dst =3D (UInt)modrm - 0xE8;
//.. DIP("fucomp %%st(0),%%st(%d)\n", r_dst);
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