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8317507: C2 compilation fails with "Exceeded _node_regs array"
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Co-authored-by: Tobias Hartmann <>
Reviewed-by: thartmann, shade, dlong
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robcasloz and TobiHartmann committed Oct 30, 2023
1 parent c4c66ab commit a581897
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3 changes: 3 additions & 0 deletions src/hotspot/share/adlc/output_c.cpp
Original file line number Diff line number Diff line change
Expand Up @@ -3127,6 +3127,9 @@ static void define_fill_new_machnode(bool used, FILE *fp_cpp) {
fprintf(fp_cpp, " if( i != cisc_operand() ) \n");
fprintf(fp_cpp, " to[i] = _opnds[i]->clone();\n");
fprintf(fp_cpp, " }\n");
fprintf(fp_cpp, " // Do not increment node index counter, since node reuses my index\n");
fprintf(fp_cpp, " Compile* C = Compile::current();\n");
fprintf(fp_cpp, " C->set_unique(C->unique() - 1);\n");
fprintf(fp_cpp, "}\n");
fprintf(fp_cpp, "\n");
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