arch/alpha/include/uapi/asm/regdef.h

29

#define a4 $20

arch/loongarch/include/asm/regdef.h

16

#define a4 $r8

arch/m68k/lib/divsi3.S

81

#define a4 REG (a4)

arch/m68k/lib/modsi3.S

81

#define a4 REG (a4)

arch/m68k/lib/mulsi3.S

79

#define a4 REG (a4)

arch/m68k/lib/udivsi3.S

79

#define a4 REG (a4)

arch/m68k/lib/umodsi3.S

79

#define a4 REG (a4)

arch/mips/include/asm/regdef.h

163

#define a4 $8 /* arg reg 64 bit; caller saved in 32 bit */

tools/testing/selftests/kvm/include/loongarch/processor.h

19

#define a4 $r8