From ce18d900a17cdda2cc041b51c56e6c84fb155331 Mon Sep 17 00:00:00 2001
From: Gabe Black <gblack@eecs.umich.edu>
Date: Tue, 13 Mar 2007 16:13:21 +0000
Subject: Replaced makeExtMI with predecode. Removed the getOpcode function
 from StaticInst which only made sense for Alpha. Started implementing the x86
 predecoder.

--HG--
extra : convert_revision : a13ea257c8943ef25e9bc573024a99abacf4a70d
---
 src/arch/sparc/utility.hh | 14 ++++++++++----
 1 file changed, 10 insertions(+), 4 deletions(-)

(limited to 'src/arch/sparc')

diff --git a/src/arch/sparc/utility.hh b/src/arch/sparc/utility.hh
index 64b91695e..4b662b5ac 100644
--- a/src/arch/sparc/utility.hh
+++ b/src/arch/sparc/utility.hh
@@ -48,9 +48,15 @@ namespace SparcISA
                 tc->readMiscRegNoEffect(MISCREG_HPSTATE & (1 << 2)));
     }
 
-    inline ExtMachInst
-    makeExtMI(MachInst inst, ThreadContext * xc) {
-        ExtMachInst emi = (MachInst) inst;
+    enum PredecodeResult {
+        MoreBytes = 1,
+        ExtMIReady = 2
+    };
+
+    inline unsigned int
+    predecode(ExtMachInst &emi, Addr currPC, MachInst inst,
+            ThreadContext * xc) {
+        emi = inst;
         //The I bit, bit 13, is used to figure out where the ASI
         //should come from. Use that in the ExtMachInst. This is
         //slightly redundant, but it removes the need to put a condition
@@ -61,7 +67,7 @@ namespace SparcISA
         else
             emi |= (static_cast<ExtMachInst>(bits(inst, 12, 5))
                     << (sizeof(MachInst) * 8));
-        return emi;
+        return MoreBytes | ExtMIReady;
     }
 
     inline bool isCallerSaveIntegerRegister(unsigned int reg) {
-- 
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