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| author | Gabe Black <gblack@eecs.umich.edu> | 2007-08-29 20:34:52 -0700 |
|---|---|---|
| committer | Gabe Black <gblack@eecs.umich.edu> | 2007-08-29 20:34:52 -0700 |
| commit | bc3635a110747123be066de5238961938ea5df78 (patch) | |
| tree | d9a4ac053ec78afd29a90f2ad9b82b0b18829a20 /src/arch/x86/floatregfile.hh | |
| parent | 6204d00940ecae631b040f2b6f46a11eb58cebb6 (diff) | |
| download | gem5-bc3635a110747123be066de5238961938ea5df78.tar.xz | |
X86: Flesh out register indexing constants.
--HG--
extra : convert_revision : 56eedc076bbb7962c3976599a15ed93c7cb154c0
Diffstat (limited to 'src/arch/x86/floatregfile.hh')
| -rw-r--r-- | src/arch/x86/floatregfile.hh | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/src/arch/x86/floatregfile.hh b/src/arch/x86/floatregfile.hh index 18371280d..282cac796 100644 --- a/src/arch/x86/floatregfile.hh +++ b/src/arch/x86/floatregfile.hh @@ -100,7 +100,8 @@ namespace X86ISA { std::string getFloatRegName(RegIndex); - const int NumFloatArchRegs = NumMMXRegs + NumXMMRegs; + //Each 128 bit xmm register is broken into two effective 64 bit registers. + const int NumFloatArchRegs = NumMMXRegs + 2 * NumXMMRegs; const int NumFloatRegs = NumFloatArchRegs; class FloatRegFile @@ -115,6 +116,7 @@ namespace X86ISA { uint64_t q[NumFloatRegs]; double d[NumFloatRegs]; + float f[NumFloatRegs][2]; }; public: |