X86: Rework the multiplication microops so that they work like they would in the patent.

--HG--
extra : convert_revision : 6fcf5dee440288d8bf92f6c5c2f97ef019975536

1 files changed, 26 insertions, 0 deletions

diff --git a/src/arch/x86/intregs.hh b/src/arch/x86/intregs.hh
index dbbb9f97e..6f252392e 100644
--- a/src/arch/x86/intregs.hh
+++ b/src/arch/x86/intregs.hh
@@ -58,6 +58,7 @@
 #ifndef __ARCH_X86_INTREGS_HH__
 #define __ARCH_X86_INTREGS_HH__
 
+#include "arch/x86/x86_traits.hh"
 #include "base/bitunion.hh"
 
 namespace X86ISA
@@ -163,6 +164,31 @@ namespace X86ISA
 
         NUM_INTREGS
     };
+
+    inline static IntRegIndex
+    INTREG_MICRO(int index)
+    {
+        return (IntRegIndex)(NUM_INTREGS + index);
+    }
+
+    inline static IntRegIndex
+    INTREG_PSEUDO(int index)
+    {
+        return (IntRegIndex)(NUM_INTREGS + NumMicroIntRegs + index);
+    }
+
+    inline static IntRegIndex
+    INTREG_IMPLICIT(int index)
+    {
+        return (IntRegIndex)(NUM_INTREGS + NumMicroIntRegs +
+                             NumPseudoIntRegs + index);
+    }
+
+    inline static IntRegIndex
+    INTREG_FOLDED(int index, int foldBit)
+    {
+        return (IntRegIndex)(((index & 0x1C) == 4 ? foldBit : 0) | index);
+    }
 };
 
 #endif // __ARCH_X86_INTREGS_HH__