aboutsummaryrefslogtreecommitdiffstats
path: root/arch/blackfin/include/asm/checksum.h
diff options
context:
space:
mode:
Diffstat (limited to 'arch/blackfin/include/asm/checksum.h')
-rw-r--r--arch/blackfin/include/asm/checksum.h34
1 files changed, 17 insertions, 17 deletions
diff --git a/arch/blackfin/include/asm/checksum.h b/arch/blackfin/include/asm/checksum.h
index f67289a0d8d2..793581fc9556 100644
--- a/arch/blackfin/include/asm/checksum.h
+++ b/arch/blackfin/include/asm/checksum.h
@@ -63,23 +63,23 @@ static inline __wsum
63csum_tcpudp_nofold(__be32 saddr, __be32 daddr, unsigned short len, 63csum_tcpudp_nofold(__be32 saddr, __be32 daddr, unsigned short len,
64 unsigned short proto, __wsum sum) 64 unsigned short proto, __wsum sum)
65{ 65{
66 66 unsigned int carry;
67 __asm__ ("%0 = %0 + %1;\n\t" 67
68 "CC = AC0;\n\t" 68 __asm__ ("%0 = %0 + %2;\n\t"
69 "if !CC jump 4;\n\t" 69 "CC = AC0;\n\t"
70 "%0 = %0 + %4;\n\t" 70 "%1 = CC;\n\t"
71 "%0 = %0 + %2;\n\t" 71 "%0 = %0 + %1;\n\t"
72 "CC = AC0;\n\t" 72 "%0 = %0 + %3;\n\t"
73 "if !CC jump 4;\n\t" 73 "CC = AC0;\n\t"
74 "%0 = %0 + %4;\n\t" 74 "%1 = CC;\n\t"
75 "%0 = %0 + %3;\n\t" 75 "%0 = %0 + %1;\n\t"
76 "CC = AC0;\n\t" 76 "%0 = %0 + %4;\n\t"
77 "if !CC jump 4;\n\t" 77 "CC = AC0;\n\t"
78 "%0 = %0 + %4;\n\t" 78 "%1 = CC;\n\t"
79 "NOP;\n\t" 79 "%0 = %0 + %1;\n\t"
80 : "=d" (sum) 80 : "=d" (sum), "=&d" (carry)
81 : "d" (daddr), "d" (saddr), "d" ((ntohs(len)<<16)+proto*256), "d" (1), "0"(sum) 81 : "d" (daddr), "d" (saddr), "d" ((len + proto) << 8), "0"(sum)
82 : "CC"); 82 : "CC");
83 83
84 return (sum); 84 return (sum);
85} 85}