cpu_has_mips32r5
#ifndef cpu_has_mips32r5
cpu_has_mips32r5 | cpu_has_mips32r6)
#define cpu_has_mips_r5 (cpu_has_mips32r5 | cpu_has_mips64r5)
cpu_has_mips32r5 | cpu_has_mips32r6 | \
if (cpu_has_mips32r5)