expandx           112 ext/digest/sha.c #define expandx(W,i) (t = W[i&15] ^ W[(i-14)&15] ^ W[(i-8)&15] ^ W[(i-3)&15],\
expandx           118 ext/digest/sha.c #define expandx(W,i) (W[i&15] ^ W[(i-14)&15] ^ W[(i-8)&15] ^ W[(i-3)&15])