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-rw-r--r--src/cpu/reg_class.hh9
1 files changed, 8 insertions, 1 deletions
diff --git a/src/cpu/reg_class.hh b/src/cpu/reg_class.hh
index c9d4b1c4f..549ebab26 100644
--- a/src/cpu/reg_class.hh
+++ b/src/cpu/reg_class.hh
@@ -41,6 +41,7 @@
enum RegClass {
IntRegClass, ///< Integer register
FloatRegClass, ///< Floating-point register
+ CCRegClass, ///< Condition-code register
MiscRegClass ///< Control (misc) register
};
@@ -72,9 +73,15 @@ RegClass regIdxToClass(TheISA::RegIndex reg_idx,
if (reg_idx < TheISA::FP_Reg_Base) {
cl = IntRegClass;
offset = 0;
- } else if (reg_idx < TheISA::Misc_Reg_Base) {
+ } else if (reg_idx < TheISA::CC_Reg_Base) {
cl = FloatRegClass;
offset = TheISA::FP_Reg_Base;
+ } else if (reg_idx < TheISA::Misc_Reg_Base) {
+ // if there are no CC regs, the ISA should set
+ // CC_Reg_Base == Misc_Reg_Base so the if above
+ // never succeeds
+ cl = CCRegClass;
+ offset = TheISA::CC_Reg_Base;
} else {
cl = MiscRegClass;
offset = TheISA::Misc_Reg_Base;