tag	line	file	source code
FR_REG15	40	include/asm-mips/stackframe.h	#define FR_REG16  ((FR_REG15) + 4)
FR_REG15	121	include/asm-mips/stackframe.h	sw  $15,FR_REG15(sp);       \
FR_REG15	158	include/asm-mips/stackframe.h	lw  $15,FR_REG15(sp);       \