rWP 12 arch/powerpc/crypto/md5-asm.S #define rWP r4 rWP 17 arch/powerpc/crypto/sha1-spe-asm.S #define rWP r4 /* pointer to input */ rWP 18 arch/powerpc/crypto/sha256-spe-asm.S #define rWP r4 /* pointer to input data */