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[RISC-V] Use auipc for all code addresses #116780

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[RISC-V] Use auipc for all code addresses #116780

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5003398
Emit auipc+addi for non-reloc label addresses
tomeksowi Jun 17, 2025
58ea0cc
Emit auipc+jalr for INS_OPT_JALR
tomeksowi Jun 17, 2025
a4878f4
Fix jal target register
tomeksowi Jun 17, 2025
33f52a6
Fold branches for forward and backward jumps
tomeksowi Jun 17, 2025
5aa7a52
Emit auipc+load/addi for cold sections INS_OPTS_RC
tomeksowi Jun 17, 2025
fc376f2
cleanup
tomeksowi Jun 18, 2025
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6 changes: 3 additions & 3 deletions src/coreclr/jit/codegenriscv64.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -981,7 +981,7 @@ void CodeGen::genSetRegToConst(regNumber targetReg, var_types targetType, GenTre
CORINFO_FIELD_HANDLE hnd = emit->emitFltOrDblConst(constValue, size);

// Compute the address of the FP constant and load the data.
emit->emitIns_R_C(size == EA_4BYTE ? INS_flw : INS_fld, size, targetReg, REG_NA, hnd, 0);
emit->emitIns_R_C(size == EA_4BYTE ? INS_flw : INS_fld, size, targetReg, REG_NA, hnd);
}
break;

Expand Down Expand Up @@ -2209,8 +2209,8 @@ void CodeGen::genJumpTable(GenTree* treeNode)
// Access to inline data is 'abstracted' by a special type of static member
// (produced by eeFindJitDataOffs) which the emitter recognizes as being a reference
// to constant data, not a real static field.
GetEmitter()->emitIns_R_C(INS_jal, emitActualTypeSize(TYP_I_IMPL), treeNode->GetRegNum(), REG_NA,
compiler->eeFindJitDataOffs(jmpTabBase), 0);
GetEmitter()->emitIns_R_C(INS_addi, emitActualTypeSize(TYP_I_IMPL), treeNode->GetRegNum(), REG_NA,
compiler->eeFindJitDataOffs(jmpTabBase));
genProduceReg(treeNode);
}

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