27 #define loadkeys(x0, x1, x2, x3, i) \  argument
28 	({ x0 = k[i]; x1 = k[i+1]; x2 = k[i+2]; x3 = k[i+3]; })
30 #define storekeys(x0, x1, x2, x3, i) \  argument
31 	({ k[i] = x0; k[i+1] = x1; k[i+2] = x2; k[i+3] = x3; })
33 #define store_and_load_keys(x0, x1, x2, x3, s, l) \  argument
34 	({ storekeys(x0, x1, x2, x3, s); loadkeys(x0, x1, x2, x3, l); })
36 #define K(x0, x1, x2, x3, i) ({				\  argument
38 	x1 ^= k[4*(i)+1];        x0 ^= k[4*(i)+0];	\
41 #define LK(x0, x1, x2, x3, x4, i) ({					   \  argument
43 	x2 = rol32(x2, 3);	x1 ^= x0;		x4  = x0 << 3;	   \
44 	x3 ^= x2;		x1 ^= x2;				   \
45 	x1 = rol32(x1, 1);	x3 ^= x4;				   \
46 	x3 = rol32(x3, 7);	x4  = x1;				   \
47 	x0 ^= x1;		x4 <<= 7;		x2 ^= x3;	   \
49 	x1 ^= k[4*i+1];		x0 = rol32(x0, 5);	x2 = rol32(x2, 22);\
53 #define KL(x0, x1, x2, x3, x4, i) ({					   \  argument
54 	x0 ^= k[4*i+0];		x1 ^= k[4*i+1];		x2 ^= k[4*i+2];	   \
56 	x4 =  x1;		x2 ^= x3;		x0 ^= x3;	   \
57 	x4 <<= 7;		x0 ^= x1;		x1 = ror32(x1, 1); \
59 	x1 ^= x0;		x3 ^= x4;		x0 = ror32(x0, 13);\
60 	x1 ^= x2;		x3 ^= x2;		x2 = ror32(x2, 3); \
63 #define S0(x0, x1, x2, x3, x4) ({			\  argument
66 	x4 = ~x4;	x3 ^= x1;	x1 &= x0;	\
67 	x1 ^= x4;	x2 ^= x0;	x0 ^= x3;	\
68 	x4 |= x0;	x0 ^= x2;	x2 &= x1;	\
69 	x3 ^= x2;	x1 = ~x1;	x2 ^= x4;	\
70 	x1 ^= x2;					\
73 #define S1(x0, x1, x2, x3, x4) ({			\  argument
74 					x4  = x1;	\
75 	x1 ^= x0;	x0 ^= x3;	x3 = ~x3;	\
76 	x4 &= x1;	x0 |= x1;	x3 ^= x2;	\
77 	x0 ^= x3;	x1 ^= x3;	x3 ^= x4;	\
78 	x1 |= x4;	x4 ^= x2;	x2 &= x0;	\
79 	x2 ^= x1;	x1 |= x0;	x0 = ~x0;	\
80 	x0 ^= x2;	x4 ^= x1;			\
83 #define S2(x0, x1, x2, x3, x4) ({			\  argument
85 	x1 ^= x0;	x4  = x0;	x0 &= x2;	\
86 	x0 ^= x3;	x3 |= x4;	x2 ^= x1;	\
87 	x3 ^= x1;	x1 &= x0;	x0 ^= x2;	\
88 	x2 &= x3;	x3 |= x1;	x0 = ~x0;	\
90 	x1 |= x2;					\
93 #define S3(x0, x1, x2, x3, x4) ({			\  argument
94 					x4  = x1;	\
95 	x1 ^= x3;	x3 |= x0;	x4 &= x0;	\
96 	x0 ^= x2;	x2 ^= x1;	x1 &= x3;	\
98 	x1 ^= x0;	x0 &= x3;	x3 &= x4;	\
99 	x3 ^= x2;	x4 |= x1;	x2 &= x1;	\
103 #define S4(x0, x1, x2, x3, x4) ({			\  argument
106 	x3 ^= x2;	x2 |= x4;	x0 ^= x1;	\
108 	x2 ^= x1;	x1 &= x0;			\
109 	x1 ^= x4;	x4 &= x2;	x2 ^= x3;	\
110 	x4 ^= x0;	x3 |= x1;	x1 = ~x1;	\
114 #define S5(x0, x1, x2, x3, x4) ({			\  argument
115 	x4  = x1;	x1 |= x0;			\
116 	x2 ^= x1;	x3 = ~x3;	x4 ^= x0;	\
117 	x0 ^= x2;	x1 &= x4;	x4 |= x3;	\
118 	x4 ^= x0;	x0 &= x3;	x1 ^= x3;	\
119 	x3 ^= x2;	x0 ^= x1;	x2 &= x4;	\
120 	x1 ^= x2;	x2 &= x0;			\
124 #define S6(x0, x1, x2, x3, x4) ({			\  argument
125 					x4  = x1;	\
126 	x3 ^= x0;	x1 ^= x2;	x2 ^= x0;	\
127 	x0 &= x3;	x1 |= x3;	x4 = ~x4;	\
128 	x0 ^= x1;	x1 ^= x2;			\
130 	x4 ^= x1;	x2 ^= x3;	x3 &= x1;	\
131 	x3 ^= x0;	x1 ^= x2;			\
134 #define S7(x0, x1, x2, x3, x4) ({			\  argument
135 					x1 = ~x1;	\
136 	x4  = x1;	x0 = ~x0;	x1 &= x2;	\
137 	x1 ^= x3;	x3 |= x4;	x4 ^= x2;	\
138 	x2 ^= x3;	x3 ^= x0;	x0 |= x1;	\
140 	x3 &= x0;	x4 ^= x1;			\
141 	x2 ^= x4;	x3 ^= x1;	x4 |= x0;	\
142 	x4 ^= x1;					\
145 #define SI0(x0, x1, x2, x3, x4) ({			\  argument
146 			x4  = x3;	x1 ^= x0;	\
147 	x3 |= x1;	x4 ^= x1;	x0 = ~x0;	\
148 	x2 ^= x3;	x3 ^= x0;	x0 &= x1;	\
150 	x2 ^= x3;	x1 ^= x3;	x3 &= x0;	\
151 	x1 ^= x0;	x0 ^= x2;	x4 ^= x3;	\
154 #define SI1(x0, x1, x2, x3, x4) ({			\  argument
155 	x1 ^= x3;	x4  = x0;			\
156 	x0 ^= x2;	x2 = ~x2;	x4 |= x1;	\
157 	x4 ^= x3;	x3 &= x1;	x1 ^= x2;	\
158 	x2 &= x4;	x4 ^= x1;	x1 |= x3;	\
160 	x2 ^= x4;	x1 ^= x0;			\
161 	x4 ^= x1;					\
164 #define SI2(x0, x1, x2, x3, x4) ({			\  argument
165 	x2 ^= x1;	x4  = x3;	x3 = ~x3;	\
167 	x3 ^= x1;	x1 |= x2;	x2 ^= x0;	\
168 	x1 ^= x4;	x4 |= x3;	x2 ^= x3;	\
169 	x4 ^= x2;	x2 &= x1;			\
173 #define SI3(x0, x1, x2, x3, x4) ({			\  argument
174 					x2 ^= x1;	\
175 	x4  = x1;	x1 &= x2;			\
176 	x1 ^= x0;	x0 |= x4;	x4 ^= x3;	\
177 	x0 ^= x3;	x3 |= x1;	x1 ^= x2;	\
178 	x1 ^= x3;	x0 ^= x2;	x2 ^= x3;	\
179 	x3 &= x1;	x1 ^= x0;	x0 &= x2;	\
180 	x4 ^= x3;	x3 ^= x0;	x0 ^= x1;	\
183 #define SI4(x0, x1, x2, x3, x4) ({			\  argument
184 	x2 ^= x3;	x4  = x0;	x0 &= x1;	\
186 	x1 ^= x0;	x0 ^= x2;	x2 &= x4;	\
189 	x4 ^= x3;	x3 ^= x1;	x1 &= x0;	\
190 	x4 ^= x1;	x0 ^= x3;			\
193 #define SI5(x0, x1, x2, x3, x4) ({			\  argument
194 			x4  = x1;	x1 |= x2;	\
195 	x2 ^= x4;	x1 ^= x3;	x3 &= x4;	\
197 	x3 ^= x2;	x2 |= x0;	x4 ^= x1;	\
198 	x2 ^= x4;	x4 &= x0;	x0 ^= x1;	\
199 	x1 ^= x3;	x0 &= x2;	x2 ^= x3;	\
203 #define SI6(x0, x1, x2, x3, x4) ({			\  argument
206 	x0 ^= x2;	x3 ^= x1;	x2 |= x4;	\
208 	x3 ^= x1;	x1 &= x2;	x4 ^= x0;	\
209 	x3 ^= x4;	x4 ^= x2;	x0 ^= x1;	\
213 #define SI7(x0, x1, x2, x3, x4) ({			\  argument
215 	x2 |= x4;	x4 ^= x1;	x0 = ~x0;	\
216 	x1 |= x3;	x4 ^= x0;	x0 &= x2;	\
217 	x0 ^= x1;	x1 &= x2;	x3 ^= x2;	\
219 	x1 ^= x4;	x3 ^= x4;	x4 &= x0;	\