Changeset 62402 in vbox for trunk/src/VBox/VMM

Timestamp:

Jul 21, 2016 1:52:37 PM (9 years ago)

Author:

vboxsync

Message:

iemAImpl_imul_u64: Use RTUint128AssignNeg.

File:

• trunk/src/VBox/VMM/VMMAll/IEMAllAImplC.cpp (modified) (4 diffs)

trunk/src/VBox/VMM/VMMAll/IEMAllAImplC.cpp

@@ -1156 +1156 @@
         {
             RTUInt128MulU64ByU64(&Result, *pu64RAX, u64Factor);
-            *pu64RAX = Result.s.Lo;
-            *pu64RDX = Result.s.Hi;
             if (Result.s.Hi != 0 || Result.s.Lo >= UINT64_C(0x8000000000000000))
                 *pfEFlags |= X86_EFL_CF | X86_EFL_OF;
@@ -1166 +1164 @@
             if (Result.s.Hi != 0 || Result.s.Lo > UINT64_C(0x8000000000000000))
                 *pfEFlags |= X86_EFL_CF | X86_EFL_OF;
-            *pu64RAX = UINT64_C(0) - Result.s.Lo;
-            *pu64RDX = UINT64_C(0) - Result.s.Hi;
+            RTUInt128AssignNeg(&Result);
         }
     }
@@ -1177 +1174 @@
             if (Result.s.Hi != 0 || Result.s.Lo > UINT64_C(0x8000000000000000))
                 *pfEFlags |= X86_EFL_CF | X86_EFL_OF;
-            *pu64RAX = UINT64_C(0) - Result.s.Lo;
-            *pu64RDX = UINT64_C(0) - Result.s.Hi;
+            RTUInt128AssignNeg(&Result);
         }
         else
@@ -1185 +1181 @@
             if (Result.s.Hi != 0 || Result.s.Lo >= UINT64_C(0x8000000000000000))
                 *pfEFlags |= X86_EFL_CF | X86_EFL_OF;
-            *pu64RAX = Result.s.Lo;
-            *pu64RDX = Result.s.Hi;
-        }
-    }
+        }
+    }
+    *pu64RAX = Result.s.Lo;
+    *pu64RDX = Result.s.Hi;
     if (*pu64RAX & RT_BIT_64(63))
         *pfEFlags |= X86_EFL_SF;