cpu: implements vector registers

This adds a vector register type.  The type is defined as a std::array of a
fixed number of uint64_ts.  The isa_parser.py has been modified to parse vector
register operands and generate the required code.  Different cpus have vector
register files now.

1 files changed, 8 insertions, 4 deletions

diff --git a/src/cpu/static_inst.hh b/src/cpu/static_inst.hh
index 684a22856..58cf752b7 100644
--- a/src/cpu/static_inst.hh
+++ b/src/cpu/static_inst.hh
@@ -98,6 +98,7 @@ class StaticInst : public RefCounted, public StaticInstFlags
     int8_t _numFPDestRegs;
     int8_t _numIntDestRegs;
     int8_t _numCCDestRegs;
+    int8_t _numVectorDestRegs;
     //@}
 
   public:
@@ -116,9 +117,10 @@ class StaticInst : public RefCounted, public StaticInstFlags
     int8_t numFPDestRegs()  const { return _numFPDestRegs; }
     /// Number of integer destination regs.
     int8_t numIntDestRegs() const { return _numIntDestRegs; }
-    //@}
-    /// Number of coprocesor destination regs.
+    /// Number of condition code destination regs.
     int8_t numCCDestRegs() const { return _numCCDestRegs; }
+    /// Number of vector destination regs.
+    int8_t numVectorDestRegs() const { return _numVectorDestRegs; }
     //@}
 
     /// @name Flag accessors.
@@ -140,6 +142,7 @@ class StaticInst : public RefCounted, public StaticInstFlags
 
     bool isInteger()      const { return flags[IsInteger]; }
     bool isFloating()     const { return flags[IsFloating]; }
+    bool isVector() const { return flags[IsVector]; }
     bool isCC()           const { return flags[IsCC]; }
 
     bool isControl()      const { return flags[IsControl]; }
@@ -252,7 +255,8 @@ class StaticInst : public RefCounted, public StaticInstFlags
     StaticInst(const char *_mnemonic, ExtMachInst _machInst, OpClass __opClass)
         : _opClass(__opClass), _numSrcRegs(0), _numDestRegs(0),
           _numFPDestRegs(0), _numIntDestRegs(0), _numCCDestRegs(0),
-          machInst(_machInst), mnemonic(_mnemonic), cachedDisassembly(0)
+          _numVectorDestRegs(0), machInst(_machInst), mnemonic(_mnemonic),
+          cachedDisassembly(0)
     { }
 
   public:
@@ -326,7 +330,7 @@ class StaticInst : public RefCounted, public StaticInstFlags
     void printFlags(std::ostream &outs, const std::string &separator) const;
 
     /// Return name of machine instruction
-    std::string getName() { return mnemonic; }
+    std::string getName() const { return mnemonic; }
 };
 
 #endif // __CPU_STATIC_INST_HH__