Implement fnop; closes angr/pyvex#290

angr · Jan 12, 2023 · e75200b · e75200b
1 parent e8a5589
commit e75200b
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diff --git a/priv/guest_amd64_toIR.c b/priv/guest_amd64_toIR.c
@@ -6009,6 +6009,10 @@ ULong dis_FPU ( /*OUT*/Bool* decode_ok,
                put_ST_UNCHECKED(r_src, mkexpr(t1));
                break;
 
+            case 0xD0: /* FNOP */
+               DIP("fnop\n");
+               break;
+
             case 0xE0: /* FCHS */
                DIP("fchs\n");
                put_ST_UNCHECKED(0, unop(Iop_NegF64, get_ST(0)));

diff --git a/priv/guest_x86_toIR.c b/priv/guest_x86_toIR.c
@@ -4442,6 +4442,10 @@ UInt dis_FPU ( Bool* decode_ok, UChar sorb, Int delta )
                put_ST_UNCHECKED(r_src, mkexpr(t1));
                break;
 
+            case 0xD0: /* FNOP */
+               DIP("fnop\n");
+               break;
+
             case 0xE0: /* FCHS */
                DIP("fchs\n");
                put_ST_UNCHECKED(0, unop(Iop_NegF64, get_ST(0)));