set_isa16_mode   1151 arch/mips/include/asm/mipsregs.h #define set_isa16_mode(x)		do { (x) |= 0x1; } while(0)
set_isa16_mode   1155 arch/mips/include/asm/mipsregs.h #define set_isa16_mode(x)		do { } while(0)