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require_rv64;
P_ONE_LOOP(32, {
pd = 0;
if (ps1 == 0) pd = 32;
else {
if ((ps1 & 0xFFFF0000) == 0) { pd += 16; ps1 <<= 16; }
if ((ps1 & 0xFF000000) == 0) { pd += 8; ps1 <<= 8; }
if ((ps1 & 0xF0000000) == 0) { pd += 4; ps1 <<= 4; }
if ((ps1 & 0xC0000000) == 0) { pd += 2; ps1 <<= 2; }
if ((ps1 & 0x80000000) == 0) { pd += 1; }
}
})
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