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, 29 insertions, 14 deletions

diff --git a/src/cpu/minor/exec_context.hh b/src/cpu/minor/exec_context.hh
index 80d5d9872..6ea74047c 100644
--- a/src/cpu/minor/exec_context.hh
+++ b/src/cpu/minor/exec_context.hh
@@ -140,6 +140,20 @@ class ExecContext : public ::ExecContext
         return thread.readFloatRegBits(reg_idx);
     }
 
+    TheISA::CCReg
+    readCCRegOperand(const StaticInst *si, int idx)
+    {
+        int reg_idx = si->srcRegIdx(idx) - TheISA::CC_Reg_Base;
+        return thread.readCCReg(reg_idx);
+    }
+
+    const TheISA::VectorReg &
+    readVectorRegOperand(const StaticInst *si, int idx)
+    {
+        int reg_idx = si->srcRegIdx(idx) - TheISA::Vector_Reg_Base;
+        return thread.readVectorReg(reg_idx);
+    }
+
     void
     setIntRegOperand(const StaticInst *si, int idx, IntReg val)
     {
@@ -162,6 +176,21 @@ class ExecContext : public ::ExecContext
         thread.setFloatRegBits(reg_idx, val);
     }
 
+    void
+    setCCRegOperand(const StaticInst *si, int idx, TheISA::CCReg val)
+    {
+        int reg_idx = si->destRegIdx(idx) - TheISA::CC_Reg_Base;
+        thread.setCCReg(reg_idx, val);
+    }
+
+    void
+    setVectorRegOperand(const StaticInst *si, int idx,
+                        const TheISA::VectorReg &val)
+    {
+        int reg_idx = si->destRegIdx(idx) - TheISA::Vector_Reg_Base;
+        thread.setVectorReg(reg_idx, val);
+    }
+
     bool
     readPredicate()
     {
@@ -265,20 +294,6 @@ class ExecContext : public ::ExecContext
         thread.getDTBPtr()->demapPage(vaddr, asn);
     }
 
-    TheISA::CCReg
-    readCCRegOperand(const StaticInst *si, int idx)
-    {
-        int reg_idx = si->srcRegIdx(idx) - TheISA::CC_Reg_Base;
-        return thread.readCCReg(reg_idx);
-    }
-
-    void
-    setCCRegOperand(const StaticInst *si, int idx, TheISA::CCReg val)
-    {
-        int reg_idx = si->destRegIdx(idx) - TheISA::CC_Reg_Base;
-        thread.setCCReg(reg_idx, val);
-    }
-
     void
     demapInstPage(Addr vaddr, uint64_t asn)
     {