tag	line	file	source code
FR_REG2	27	include/asm-mips/stackframe.h	#define FR_REG3    ((FR_REG2) + 4)
FR_REG2	96	include/asm-mips/stackframe.h	sw  $2,FR_REG2(sp);         \
FR_REG2	171	include/asm-mips/stackframe.h	lw  $2,FR_REG2(sp);         \