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8259236: C2 compilation fails with assert(is_power_of_2(value)) faile…
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…d: value must be a power of 2: 8000000000000000

Reviewed-by: thartmann
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cl4es committed Jan 5, 2021
1 parent 82bdbfd commit d5aa49d
Showing 1 changed file with 1 addition and 1 deletion.
2 changes: 1 addition & 1 deletion src/hotspot/cpu/x86/
Expand Up @@ -9600,7 +9600,7 @@ instruct btrL_mem_imm(memory dst, immL_NotPow2 con, rFlagsReg cr)
format %{ "btrq $dst, log2(not($con))\t# long" %}
ins_encode %{
__ btrq($dst$$Address, log2i_exact(~$con$$constant));
__ btrq($dst$$Address, log2i_exact((julong)~$con$$constant));
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