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authorYasuko Eckert <yasuko.eckert@amd.com>2013-10-15 14:22:44 -0400
committerYasuko Eckert <yasuko.eckert@amd.com>2013-10-15 14:22:44 -0400
commit2c293823aa7cb6d2cac4c0ff35e2023ff132a8f2 (patch)
tree040fdd5bad814d7cb7ee40934974d2b38b28d67a /src/arch/power/registers.hh
parent552622184752dc798bc81f9b0b395db68aee9511 (diff)
downloadgem5-2c293823aa7cb6d2cac4c0ff35e2023ff132a8f2.tar.xz
cpu: add a condition-code register class
Add a third register class for condition codes, in parallel with the integer and FP classes. No ISAs use the CC class at this point though.
Diffstat (limited to 'src/arch/power/registers.hh')
-rw-r--r--src/arch/power/registers.hh7
1 files changed, 6 insertions, 1 deletions
diff --git a/src/arch/power/registers.hh b/src/arch/power/registers.hh
index 89de3719c..abee516fc 100644
--- a/src/arch/power/registers.hh
+++ b/src/arch/power/registers.hh
@@ -52,6 +52,9 @@ typedef uint64_t FloatRegBits;
typedef double FloatReg;
typedef uint64_t MiscReg;
+// dummy typedef since we don't have CC regs
+typedef uint8_t CCReg;
+
// Constants Related to the number of registers
const int NumIntArchRegs = 32;
@@ -64,6 +67,7 @@ const int NumInternalProcRegs = 0;
const int NumIntRegs = NumIntArchRegs + NumIntSpecialRegs;
const int NumFloatRegs = NumFloatArchRegs + NumFloatSpecialRegs;
+const int NumCCRegs = 0;
const int NumMiscRegs = NUM_MISCREGS;
// Semantically meaningful register indices
@@ -85,7 +89,8 @@ const int SyscallSuccessReg = 3;
// These help enumerate all the registers for dependence tracking.
const int FP_Reg_Base = NumIntRegs;
-const int Misc_Reg_Base = FP_Reg_Base + NumFloatRegs;
+const int CC_Reg_Base = FP_Reg_Base + NumFloatRegs;
+const int Misc_Reg_Base = CC_Reg_Base + NumCCRegs; // NumCCRegs == 0
const int Max_Reg_Index = Misc_Reg_Base + NumMiscRegs;
typedef union {