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-rw-r--r--src/cpu/o3/rename_map.hh41
1 files changed, 39 insertions, 2 deletions
diff --git a/src/cpu/o3/rename_map.hh b/src/cpu/o3/rename_map.hh
index 9d91f232e..37487c3d3 100644
--- a/src/cpu/o3/rename_map.hh
+++ b/src/cpu/o3/rename_map.hh
@@ -178,6 +178,9 @@ class UnifiedRenameMap
/** The condition-code register rename map */
SimpleRenameMap ccMap;
+ /** The vector register rename map */
+ SimpleRenameMap vectorMap;
+
public:
typedef TheISA::RegIndex RegIndex;
@@ -240,6 +243,17 @@ class UnifiedRenameMap
}
/**
+ * Perform rename() on a vector register, given a relative vector register
+ * index.
+ */
+ RenameInfo renameVector(RegIndex rel_arch_reg)
+ {
+ RenameInfo info = vectorMap.rename(rel_arch_reg);
+ assert(regFile->isVectorPhysReg(info.first));
+ return info;
+ }
+
+ /**
* Perform rename() on a misc register, given a relative
* misc register index.
*/
@@ -297,6 +311,17 @@ class UnifiedRenameMap
}
/**
+ * Perform lookup() on a vector register, given a relative
+ * vector register index.
+ */
+ PhysRegIndex lookupVector(RegIndex rel_arch_reg) const
+ {
+ PhysRegIndex phys_reg = vectorMap.lookup(rel_arch_reg);
+ assert(regFile->isVectorPhysReg(phys_reg));
+ return phys_reg;
+ }
+
+ /**
* Perform lookup() on a misc register, given a relative
* misc register index.
*/
@@ -349,6 +374,16 @@ class UnifiedRenameMap
}
/**
+ * Perform setEntry() on a vector register, given a relative vector
+ * register index.
+ */
+ void setVectorEntry(RegIndex arch_reg, PhysRegIndex phys_reg)
+ {
+ assert(regFile->isVectorPhysReg(phys_reg));
+ vectorMap.setEntry(arch_reg, phys_reg);
+ }
+
+ /**
* Return the minimum number of free entries across all of the
* register classes. The minimum is used so we guarantee that
* this number of entries is available regardless of which class
@@ -362,11 +397,13 @@ class UnifiedRenameMap
/**
* Return whether there are enough registers to serve the request.
*/
- bool canRename(uint32_t intRegs, uint32_t floatRegs, uint32_t ccRegs) const
+ bool canRename(uint32_t intRegs, uint32_t floatRegs, uint32_t ccRegs,
+ uint32_t vectorRegs) const
{
return intRegs <= intMap.numFreeEntries() &&
floatRegs <= floatMap.numFreeEntries() &&
- ccRegs <= ccMap.numFreeEntries();
+ ccRegs <= ccMap.numFreeEntries() &&
+ vectorRegs <= vectorMap.numFreeEntries();
}
};