diff options
Diffstat (limited to 'src/arch/x86/insts')
-rw-r--r-- | src/arch/x86/insts/static_inst.hh | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/src/arch/x86/insts/static_inst.hh b/src/arch/x86/insts/static_inst.hh index 22139fc77..e5c333e75 100644 --- a/src/arch/x86/insts/static_inst.hh +++ b/src/arch/x86/insts/static_inst.hh @@ -140,6 +140,27 @@ namespace X86ISA panic("Tried to pick with unrecognized size %d.\n", size); } } + + inline int64_t signedPick(uint64_t from, int idx, int size) const + { + X86IntReg reg = from; + DPRINTF(X86, "Picking with size %d\n", size); + if(_srcRegIdx[idx] & (1 << 6)) + return reg.SH; + switch(size) + { + case 1: + return reg.SL; + case 2: + return reg.SX; + case 4: + return reg.SE; + case 8: + return reg.SR; + default: + panic("Tried to pick with unrecognized size %d.\n", size); + } + } }; } |