taglinefilesource code
FR_REG322include/asm-mips/stackframe.h#define FR_REG4    ((FR_REG3) + 4)
FR_REG3106include/asm-mips/stackframe.hsw  $3,FR_REG3(sp);                 \
FR_REG3177include/asm-mips/stackframe.hlw  $3,FR_REG3(sp);                 \