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[LoongArch64] Fix the assert error for genSetRegToIcon() #76164

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merged 2 commits into from
Sep 27, 2022
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[LoongArch64] Fix the assert error for genSetRegToIcon() #76164

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dcf3989
[LoongArch64] Fix the assert error for `genSetRegToIcon()`
shushanhf Sep 26, 2022
5f9d15d
delete the `genSetRegToIcon()` for LA64.
shushanhf Sep 27, 2022
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27 changes: 17 additions & 10 deletions src/coreclr/jit/codegenloongarch64.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -1781,12 +1781,19 @@ void CodeGen::genSetRegToConst(regNumber targetReg, var_types targetType, GenTre
GenTreeIntConCommon* con = tree->AsIntConCommon();
ssize_t cnsVal = con->IconValue();

// if (con->ImmedValNeedsReloc(compiler))
// TODO-CQ: Currently we cannot do this for all handles because of
// https://github.com/dotnet/runtime/issues/60712
if (con->ImmedValNeedsReloc(compiler) && compiler->opts.compReloc)
{
// instGen_Set_Reg_To_Imm(EA_HANDLE_CNS_RELOC, targetReg, cnsVal);
assert(compiler->opts.compReloc);
GetEmitter()->emitIns_R_AI(INS_bl, EA_HANDLE_CNS_RELOC, targetReg, cnsVal);
emitAttr attr = emitActualTypeSize(targetType);

attr = EA_SET_FLG(attr, EA_CNS_RELOC_FLG);
if (targetType == TYP_BYREF)
{
attr = EA_SET_FLG(attr, EA_BYREF_FLG);
}

GetEmitter()->emitIns_R_AI(INS_bl, attr, targetReg, cnsVal);
regSet.verifyRegUsed(targetReg);
}
else
Expand Down Expand Up @@ -5667,15 +5674,15 @@ void CodeGen::genCodeForTreeNode(GenTree* treeNode)
//
void CodeGen::genSetRegToIcon(regNumber reg, ssize_t val, var_types type)
{
emitAttr attr = emitActualTypeSize(type);
if (!compiler->opts.compReloc)
{
attr = EA_SIZE(attr);
}
// Reg cannot be a FP reg
assert(!genIsValidFloatReg(reg));

// The only TYP_REF constant that can come this path is a managed 'null' since it is not
// relocatable. Other ref type constants (e.g. string objects) go through a different
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// code path.
noway_assert((type != TYP_REF) || (val == 0));

GetEmitter()->emitIns_I_la(emitActualTypeSize(type), reg, val);
GetEmitter()->emitIns_I_la(attr, reg, val);
regSet.verifyRegUsed(reg);
}

Expand Down