From e474079ddc1941246e000dc699f9acb5c6a8a5e0 Mon Sep 17 00:00:00 2001
From: Gabe Black <gblack@eecs.umich.edu>
Date: Sat, 19 Dec 2009 01:47:30 -0800
Subject: X86: Create a common flag with a name to indicate scalar media
 instructions.

---
 src/arch/x86/insts/micromediaop.hh | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

(limited to 'src/arch/x86/insts')

diff --git a/src/arch/x86/insts/micromediaop.hh b/src/arch/x86/insts/micromediaop.hh
index 508ef4e26..f2871f67e 100644
--- a/src/arch/x86/insts/micromediaop.hh
+++ b/src/arch/x86/insts/micromediaop.hh
@@ -35,6 +35,10 @@
 
 namespace X86ISA
 {
+    enum MediaFlag {
+        MediaScalarOp = 128
+    };
+
     class MediaOpBase : public X86MicroopBase
     {
       protected:
@@ -59,6 +63,18 @@ namespace X86ISA
             src1(_src1.idx), dest(_dest.idx),
             srcSize(_srcSize), destSize(_destSize), ext(_ext)
         {}
+
+        bool
+        scalarOp() const
+        {
+            return ext & MediaScalarOp;
+        }
+        
+        int
+        numItems(int size) const
+        {
+            return scalarOp() ? 1 : (sizeof(FloatRegBits) / size);
+        }
     };
 
     class MediaOpReg : public MediaOpBase
-- 
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