tree: https://git.kernel.org/pub/scm/linux/kernel/git/herbert/cryptodev-2.6.git master head: 2d55807b7f7bf62bb05a8b91247c5eb7cd19ac04 commit: 83dee2ce1ae791c3dc0c9d4d3a8d42cb109613f6 [165/172] crypto: sha3-generic - rewrite KECCAK transform to help the compiler optimize config: mn10300-allyesconfig (attached as .config) compiler: am33_2.0-linux-gcc (GCC) 7.2.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross git checkout 83dee2ce1ae791c3dc0c9d4d3a8d42cb109613f6 # save the attached .config to linux build tree make.cross ARCH=mn10300 All warnings (new ones prefixed by >>): crypto/sha3_generic.c: In function 'keccakf': >> crypto/sha3_generic.c:147:1: warning: the frame size of 1232 bytes is larger than 1024 bytes [-Wframe-larger-than=] } ^ vim +147 crypto/sha3_generic.c 53964b9e Jeff Garzik 2016-06-17 38 83dee2ce Ard Biesheuvel 2018-01-19 39 static void __attribute__((__optimize__("O3"))) keccakf(u64 st[25]) 53964b9e Jeff Garzik 2016-06-17 40 { 83dee2ce Ard Biesheuvel 2018-01-19 41 u64 t[5], tt, bc[5]; 83dee2ce Ard Biesheuvel 2018-01-19 42 int round; 53964b9e Jeff Garzik 2016-06-17 43 53964b9e Jeff Garzik 2016-06-17 44 for (round = 0; round < KECCAK_ROUNDS; round++) { 53964b9e Jeff Garzik 2016-06-17 45 53964b9e Jeff Garzik 2016-06-17 46 /* Theta */ 83dee2ce Ard Biesheuvel 2018-01-19 47 bc[0] = st[0] ^ st[5] ^ st[10] ^ st[15] ^ st[20]; 83dee2ce Ard Biesheuvel 2018-01-19 48 bc[1] = st[1] ^ st[6] ^ st[11] ^ st[16] ^ st[21]; 83dee2ce Ard Biesheuvel 2018-01-19 49 bc[2] = st[2] ^ st[7] ^ st[12] ^ st[17] ^ st[22]; 83dee2ce Ard Biesheuvel 2018-01-19 50 bc[3] = st[3] ^ st[8] ^ st[13] ^ st[18] ^ st[23]; 83dee2ce Ard Biesheuvel 2018-01-19 51 bc[4] = st[4] ^ st[9] ^ st[14] ^ st[19] ^ st[24]; 83dee2ce Ard Biesheuvel 2018-01-19 52 83dee2ce Ard Biesheuvel 2018-01-19 53 t[0] = bc[4] ^ rol64(bc[1], 1); 83dee2ce Ard Biesheuvel 2018-01-19 54 t[1] = bc[0] ^ rol64(bc[2], 1); 83dee2ce Ard Biesheuvel 2018-01-19 55 t[2] = bc[1] ^ rol64(bc[3], 1); 83dee2ce Ard Biesheuvel 2018-01-19 56 t[3] = bc[2] ^ rol64(bc[4], 1); 83dee2ce Ard Biesheuvel 2018-01-19 57 t[4] = bc[3] ^ rol64(bc[0], 1); 83dee2ce Ard Biesheuvel 2018-01-19 58 83dee2ce Ard Biesheuvel 2018-01-19 59 st[0] ^= t[0]; 53964b9e Jeff Garzik 2016-06-17 60 53964b9e Jeff Garzik 2016-06-17 61 /* Rho Pi */ 83dee2ce Ard Biesheuvel 2018-01-19 62 tt = st[1]; 83dee2ce Ard Biesheuvel 2018-01-19 63 st[ 1] = rol64(st[ 6] ^ t[1], 44); 83dee2ce Ard Biesheuvel 2018-01-19 64 st[ 6] = rol64(st[ 9] ^ t[4], 20); 83dee2ce Ard Biesheuvel 2018-01-19 65 st[ 9] = rol64(st[22] ^ t[2], 61); 83dee2ce Ard Biesheuvel 2018-01-19 66 st[22] = rol64(st[14] ^ t[4], 39); 83dee2ce Ard Biesheuvel 2018-01-19 67 st[14] = rol64(st[20] ^ t[0], 18); 83dee2ce Ard Biesheuvel 2018-01-19 68 st[20] = rol64(st[ 2] ^ t[2], 62); 83dee2ce Ard Biesheuvel 2018-01-19 69 st[ 2] = rol64(st[12] ^ t[2], 43); 83dee2ce Ard Biesheuvel 2018-01-19 70 st[12] = rol64(st[13] ^ t[3], 25); 83dee2ce Ard Biesheuvel 2018-01-19 71 st[13] = rol64(st[19] ^ t[4], 8); 83dee2ce Ard Biesheuvel 2018-01-19 72 st[19] = rol64(st[23] ^ t[3], 56); 83dee2ce Ard Biesheuvel 2018-01-19 73 st[23] = rol64(st[15] ^ t[0], 41); 83dee2ce Ard Biesheuvel 2018-01-19 74 st[15] = rol64(st[ 4] ^ t[4], 27); 83dee2ce Ard Biesheuvel 2018-01-19 75 st[ 4] = rol64(st[24] ^ t[4], 14); 83dee2ce Ard Biesheuvel 2018-01-19 76 st[24] = rol64(st[21] ^ t[1], 2); 83dee2ce Ard Biesheuvel 2018-01-19 77 st[21] = rol64(st[ 8] ^ t[3], 55); 83dee2ce Ard Biesheuvel 2018-01-19 78 st[ 8] = rol64(st[16] ^ t[1], 45); 83dee2ce Ard Biesheuvel 2018-01-19 79 st[16] = rol64(st[ 5] ^ t[0], 36); 83dee2ce Ard Biesheuvel 2018-01-19 80 st[ 5] = rol64(st[ 3] ^ t[3], 28); 83dee2ce Ard Biesheuvel 2018-01-19 81 st[ 3] = rol64(st[18] ^ t[3], 21); 83dee2ce Ard Biesheuvel 2018-01-19 82 st[18] = rol64(st[17] ^ t[2], 15); 83dee2ce Ard Biesheuvel 2018-01-19 83 st[17] = rol64(st[11] ^ t[1], 10); 83dee2ce Ard Biesheuvel 2018-01-19 84 st[11] = rol64(st[ 7] ^ t[2], 6); 83dee2ce Ard Biesheuvel 2018-01-19 85 st[ 7] = rol64(st[10] ^ t[0], 3); 83dee2ce Ard Biesheuvel 2018-01-19 86 st[10] = rol64( tt ^ t[1], 1); 53964b9e Jeff Garzik 2016-06-17 87 53964b9e Jeff Garzik 2016-06-17 88 /* Chi */ 83dee2ce Ard Biesheuvel 2018-01-19 89 bc[ 0] = ~st[ 1] & st[ 2]; 83dee2ce Ard Biesheuvel 2018-01-19 90 bc[ 1] = ~st[ 2] & st[ 3]; 83dee2ce Ard Biesheuvel 2018-01-19 91 bc[ 2] = ~st[ 3] & st[ 4]; 83dee2ce Ard Biesheuvel 2018-01-19 92 bc[ 3] = ~st[ 4] & st[ 0]; 83dee2ce Ard Biesheuvel 2018-01-19 93 bc[ 4] = ~st[ 0] & st[ 1]; 83dee2ce Ard Biesheuvel 2018-01-19 94 st[ 0] ^= bc[ 0]; 83dee2ce Ard Biesheuvel 2018-01-19 95 st[ 1] ^= bc[ 1]; 83dee2ce Ard Biesheuvel 2018-01-19 96 st[ 2] ^= bc[ 2]; 83dee2ce Ard Biesheuvel 2018-01-19 97 st[ 3] ^= bc[ 3]; 83dee2ce Ard Biesheuvel 2018-01-19 98 st[ 4] ^= bc[ 4]; 83dee2ce Ard Biesheuvel 2018-01-19 99 83dee2ce Ard Biesheuvel 2018-01-19 100 bc[ 0] = ~st[ 6] & st[ 7]; 83dee2ce Ard Biesheuvel 2018-01-19 101 bc[ 1] = ~st[ 7] & st[ 8]; 83dee2ce Ard Biesheuvel 2018-01-19 102 bc[ 2] = ~st[ 8] & st[ 9]; 83dee2ce Ard Biesheuvel 2018-01-19 103 bc[ 3] = ~st[ 9] & st[ 5]; 83dee2ce Ard Biesheuvel 2018-01-19 104 bc[ 4] = ~st[ 5] & st[ 6]; 83dee2ce Ard Biesheuvel 2018-01-19 105 st[ 5] ^= bc[ 0]; 83dee2ce Ard Biesheuvel 2018-01-19 106 st[ 6] ^= bc[ 1]; 83dee2ce Ard Biesheuvel 2018-01-19 107 st[ 7] ^= bc[ 2]; 83dee2ce Ard Biesheuvel 2018-01-19 108 st[ 8] ^= bc[ 3]; 83dee2ce Ard Biesheuvel 2018-01-19 109 st[ 9] ^= bc[ 4]; 83dee2ce Ard Biesheuvel 2018-01-19 110 83dee2ce Ard Biesheuvel 2018-01-19 111 bc[ 0] = ~st[11] & st[12]; 83dee2ce Ard Biesheuvel 2018-01-19 112 bc[ 1] = ~st[12] & st[13]; 83dee2ce Ard Biesheuvel 2018-01-19 113 bc[ 2] = ~st[13] & st[14]; 83dee2ce Ard Biesheuvel 2018-01-19 114 bc[ 3] = ~st[14] & st[10]; 83dee2ce Ard Biesheuvel 2018-01-19 115 bc[ 4] = ~st[10] & st[11]; 83dee2ce Ard Biesheuvel 2018-01-19 116 st[10] ^= bc[ 0]; 83dee2ce Ard Biesheuvel 2018-01-19 117 st[11] ^= bc[ 1]; 83dee2ce Ard Biesheuvel 2018-01-19 118 st[12] ^= bc[ 2]; 83dee2ce Ard Biesheuvel 2018-01-19 119 st[13] ^= bc[ 3]; 83dee2ce Ard Biesheuvel 2018-01-19 120 st[14] ^= bc[ 4]; 83dee2ce Ard Biesheuvel 2018-01-19 121 83dee2ce Ard Biesheuvel 2018-01-19 122 bc[ 0] = ~st[16] & st[17]; 83dee2ce Ard Biesheuvel 2018-01-19 123 bc[ 1] = ~st[17] & st[18]; 83dee2ce Ard Biesheuvel 2018-01-19 124 bc[ 2] = ~st[18] & st[19]; 83dee2ce Ard Biesheuvel 2018-01-19 125 bc[ 3] = ~st[19] & st[15]; 83dee2ce Ard Biesheuvel 2018-01-19 126 bc[ 4] = ~st[15] & st[16]; 83dee2ce Ard Biesheuvel 2018-01-19 127 st[15] ^= bc[ 0]; 83dee2ce Ard Biesheuvel 2018-01-19 128 st[16] ^= bc[ 1]; 83dee2ce Ard Biesheuvel 2018-01-19 129 st[17] ^= bc[ 2]; 83dee2ce Ard Biesheuvel 2018-01-19 130 st[18] ^= bc[ 3]; 83dee2ce Ard Biesheuvel 2018-01-19 131 st[19] ^= bc[ 4]; 83dee2ce Ard Biesheuvel 2018-01-19 132 83dee2ce Ard Biesheuvel 2018-01-19 133 bc[ 0] = ~st[21] & st[22]; 83dee2ce Ard Biesheuvel 2018-01-19 134 bc[ 1] = ~st[22] & st[23]; 83dee2ce Ard Biesheuvel 2018-01-19 135 bc[ 2] = ~st[23] & st[24]; 83dee2ce Ard Biesheuvel 2018-01-19 136 bc[ 3] = ~st[24] & st[20]; 83dee2ce Ard Biesheuvel 2018-01-19 137 bc[ 4] = ~st[20] & st[21]; 83dee2ce Ard Biesheuvel 2018-01-19 138 st[20] ^= bc[ 0]; 83dee2ce Ard Biesheuvel 2018-01-19 139 st[21] ^= bc[ 1]; 83dee2ce Ard Biesheuvel 2018-01-19 140 st[22] ^= bc[ 2]; 83dee2ce Ard Biesheuvel 2018-01-19 141 st[23] ^= bc[ 3]; 83dee2ce Ard Biesheuvel 2018-01-19 142 st[24] ^= bc[ 4]; 53964b9e Jeff Garzik 2016-06-17 143 53964b9e Jeff Garzik 2016-06-17 144 /* Iota */ 53964b9e Jeff Garzik 2016-06-17 145 st[0] ^= keccakf_rndc[round]; 53964b9e Jeff Garzik 2016-06-17 146 } 53964b9e Jeff Garzik 2016-06-17 @147 } 53964b9e Jeff Garzik 2016-06-17 148 :::::: The code at line 147 was first introduced by commit :::::: 53964b9ee63b7075931b8df85307c449da564b50 crypto: sha3 - Add SHA-3 hash algorithm :::::: TO: Jeff Garzik <jeff@xxxxxxxxxx> :::::: CC: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx> --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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