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[SystemZ] Add GRH32 for the high word of a GR64

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The only thing this does on its own is make the definitions of RISB[HL]G
a bit more precise.  Those instructions are only used by the MC layer at
the moment, so no behavioral change is intended.  The class is needed by
later patches though.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@191660 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Richard Sandiford
2013-09-30 10:45:16 +00:00
parent 745ca1eed7
commit eb2f72f454
6 changed files with 38 additions and 14 deletions
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6
lib/Target/SystemZ/Disassembler/SystemZDisassembler.cpp
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@ -66,6 +66,12 @@ static DecodeStatus DecodeGR32BitRegisterClass(MCInst &Inst, uint64_t RegNo,
return decodeRegisterClass(Inst, RegNo, SystemZMC::GR32Regs);
}
static DecodeStatus DecodeGRH32BitRegisterClass(MCInst &Inst, uint64_t RegNo,
uint64_t Address,
const void *Decoder) {
return decodeRegisterClass(Inst, RegNo, SystemZMC::GRH32Regs);
}
static DecodeStatus DecodeGR64BitRegisterClass(MCInst &Inst, uint64_t RegNo,
uint64_t Address,
const void *Decoder) {