1 // SPDX-License-Identifier: GPL-2.0
9 	return (word << shift) | (word >> ((-shift) & 31));  in rol32()
12 #define __jhash_mix(a, b, c)			\  argument
14 	a -= c;  a ^= rol32(c, 4);  c += b;	\
15 	b -= a;  b ^= rol32(a, 6);  a += c;	\
16 	c -= b;  c ^= rol32(b, 8);  b += a;	\
17 	a -= c;  a ^= rol32(c, 16); c += b;	\
18 	b -= a;  b ^= rol32(a, 19); a += c;	\
19 	c -= b;  c ^= rol32(b, 4);  b += a;	\
22 #define __jhash_final(a, b, c)			\  argument
24 	c ^= b; c -= rol32(b, 14);		\
25 	a ^= c; a -= rol32(c, 11);		\
26 	b ^= a; b -= rol32(a, 25);		\
27 	c ^= b; c -= rol32(b, 16);		\
28 	a ^= c; a -= rol32(c, 4);		\
29 	b ^= a; b -= rol32(a, 14);		\
30 	c ^= b; c -= rol32(b, 24);		\
38 	u32 a, b, c;  in jhash()  local
41 	a = b = c = JHASH_INITVAL + length + initval;  in jhash()
44 		a += *(volatile u32 *)(k);  in jhash()
45 		b += *(volatile u32 *)(k + 4);  in jhash()
47 		__jhash_mix(a, b, c);  in jhash()
48 		length -= 12;  in jhash()
56 	case 8:  b += (u32)k[7]<<24;  in jhash()
57 	case 7:  b += (u32)k[6]<<16;  in jhash()
58 	case 6:  b += (u32)k[5]<<8;  in jhash()
59 	case 5:  b += k[4];  in jhash()
60 	case 4:  a += (u32)k[3]<<24;  in jhash()
61 	case 3:  a += (u32)k[2]<<16;  in jhash()
62 	case 2:  a += (u32)k[1]<<8;  in jhash()
63 	case 1:  a += k[0];  in jhash()
64 		 c ^= a;  in jhash()
65 		 __jhash_final(a, b, c);  in jhash()
75 	u32 a, b, c;  in jhash2()  local
78 	a = b = c = JHASH_INITVAL + (length<<2) + initval;  in jhash2()
82 		a += k[0];  in jhash2()
83 		b += k[1];  in jhash2()
85 		__jhash_mix(a, b, c);  in jhash2()
86 		length -= 3;  in jhash2()
93 	case 2: b += k[1];  in jhash2()
94 	case 1: a += k[0];  in jhash2()
95 		__jhash_final(a, b, c);  in jhash2()