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author | Nilay Vaish <nilay@cs.wisc.edu> | 2015-07-26 10:21:20 -0500 |
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committer | Nilay Vaish <nilay@cs.wisc.edu> | 2015-07-26 10:21:20 -0500 |
commit | 608641e23c7f2288810c3f23a1a63790b664f2ab (patch) | |
tree | 0656aaf9653e8d263f5daac0d5f0fe3190193ae5 /src/cpu/minor/scoreboard.hh | |
parent | 6e354e82d9395b20f5f148cd545d0666b626e8ac (diff) | |
download | gem5-608641e23c7f2288810c3f23a1a63790b664f2ab.tar.xz |
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.
Diffstat (limited to 'src/cpu/minor/scoreboard.hh')
-rw-r--r-- | src/cpu/minor/scoreboard.hh | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/src/cpu/minor/scoreboard.hh b/src/cpu/minor/scoreboard.hh index 711bcafb2..3a3a9d3c3 100644 --- a/src/cpu/minor/scoreboard.hh +++ b/src/cpu/minor/scoreboard.hh @@ -60,11 +60,13 @@ class Scoreboard : public Named { public: /** The number of registers in the Scoreboard. These - * are just the integer, CC and float registers packed + * are just the integer, CC, float and vector registers packed * together with integer regs in the range [0,NumIntRegs-1], - * CC regs in the range [NumIntRegs, NumIntRegs+NumCCRegs-1] - * and float regs in the range - * [NumIntRegs+NumCCRegs, NumFloatRegs+NumIntRegs+NumCCRegs-1] */ + * CC regs in the range [NumIntRegs, NumIntRegs + NumCCRegs - 1], + * float regs in the range + * [NumIntRegs + NumCCRegs, NumFloatRegs + NumIntRegs + NumCCRegs - 1] + * and vector regs in the range [NumFloatRegs + NumIntRegs + NumCCRegs, + * NumFloatRegs + NumIntRegs + NumCCRegs + NumVectorRegs - 1]*/ const unsigned numRegs; /** Type to use for thread context registers */ @@ -97,7 +99,7 @@ class Scoreboard : public Named Scoreboard(const std::string &name) : Named(name), numRegs(TheISA::NumIntRegs + TheISA::NumCCRegs + - TheISA::NumFloatRegs), + TheISA::NumFloatRegs + TheISA::NumVectorRegs), numResults(numRegs, 0), numUnpredictableResults(numRegs, 0), fuIndices(numRegs, 0), |