542 #define R1(a,b,c,d,k,s,t) { \  macro
615     R1 (A, B, C, D, X[ 1],  5, 0xf61e2562L);  in __rtl_digest_updateMD5()
616     R1 (D, A, B, C, X[ 6],  9, 0xc040b340L);  in __rtl_digest_updateMD5()
617     R1 (C, D, A, B, X[11], 14, 0x265e5a51L);  in __rtl_digest_updateMD5()
618     R1 (B, C, D, A, X[ 0], 20, 0xe9b6c7aaL);  in __rtl_digest_updateMD5()
619     R1 (A, B, C, D, X[ 5],  5, 0xd62f105dL);  in __rtl_digest_updateMD5()
620     R1 (D, A, B, C, X[10],  9, 0x02441453L);  in __rtl_digest_updateMD5()
621     R1 (C, D, A, B, X[15], 14, 0xd8a1e681L);  in __rtl_digest_updateMD5()
622     R1 (B, C, D, A, X[ 4], 20, 0xe7d3fbc8L);  in __rtl_digest_updateMD5()
623     R1 (A, B, C, D, X[ 9],  5, 0x21e1cde6L);  in __rtl_digest_updateMD5()
624     R1 (D, A, B, C, X[14],  9, 0xc33707d6L);  in __rtl_digest_updateMD5()
625     R1 (C, D, A, B, X[ 3], 14, 0xf4d50d87L);  in __rtl_digest_updateMD5()
626     R1 (B, C, D, A, X[ 8], 20, 0x455a14edL);  in __rtl_digest_updateMD5()
627     R1 (A, B, C, D, X[13],  5, 0xa9e3e905L);  in __rtl_digest_updateMD5()
628     R1 (D, A, B, C, X[ 2],  9, 0xfcefa3f8L);  in __rtl_digest_updateMD5()
629     R1 (C, D, A, B, X[ 7], 14, 0x676f02d9L);  in __rtl_digest_updateMD5()
630     R1 (B, C, D, A, X[12], 20, 0x8d2a4c8aL);  in __rtl_digest_updateMD5()