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Update gcinfo for arm64 mrs instruction #89678

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Merged
merged 2 commits into from
Jul 31, 2023
Merged

Update gcinfo for arm64 mrs instruction #89678

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63b773f
Update gcinfo for mrs
kunalspathak Jul 29, 2023
d1ca9d1
move the check in emitInsMayWriteToGCReg()
kunalspathak Jul 30, 2023
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7 changes: 7 additions & 0 deletions src/coreclr/jit/emitarm64.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -11804,6 +11804,13 @@ size_t emitter::emitOutputInstr(insGroup* ig, instrDesc* id, BYTE** dp)
code = emitInsCode(ins, fmt);
code |= insEncodeReg_Rt(id->idReg1()); // ttttt
dst += emitOutput_Instr(dst, code);

// Update gcinfo
if (ins == INS_mrs_tpid0)
{
assert(id->idGCref() == GCT_NONE);
emitGCregDeadUpd(id->idReg1(), dst);
}
break;

default:
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