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| author | Eric Biggers <ebiggers@google.com> | 2017-02-14 22:43:28 +0100 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2017-03-09 11:34:15 +0100 |
| commit | 2416e4fa98b9763ea06e0f441c23ce7a293a87f4 (patch) | |
| tree | 404e4e4f1e9d2e2f62fbded36be7d3c043626ff4 /crypto/gf128mul.c | |
| parent | crypto: gf128mul - fix some comments (diff) | |
| download | linux-2416e4fa98b9763ea06e0f441c23ce7a293a87f4.tar.xz linux-2416e4fa98b9763ea06e0f441c23ce7a293a87f4.zip | |
crypto: gf128mul - remove xx() macro
The xx() macro serves no purpose and can be removed.
Cc: Alex Cope <alexcope@google.com>
Signed-off-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'crypto/gf128mul.c')
| -rw-r--r-- | crypto/gf128mul.c | 18 |
1 files changed, 8 insertions, 10 deletions
diff --git a/crypto/gf128mul.c b/crypto/gf128mul.c index d9e3eecc218a..c050cf6f5aa9 100644 --- a/crypto/gf128mul.c +++ b/crypto/gf128mul.c @@ -97,20 +97,18 @@ the table above */ -#define xx(p, q) 0x##p##q - #define xda_bbe(i) ( \ - (i & 0x80 ? xx(43, 80) : 0) ^ (i & 0x40 ? xx(21, c0) : 0) ^ \ - (i & 0x20 ? xx(10, e0) : 0) ^ (i & 0x10 ? xx(08, 70) : 0) ^ \ - (i & 0x08 ? xx(04, 38) : 0) ^ (i & 0x04 ? xx(02, 1c) : 0) ^ \ - (i & 0x02 ? xx(01, 0e) : 0) ^ (i & 0x01 ? xx(00, 87) : 0) \ + (i & 0x80 ? 0x4380 : 0) ^ (i & 0x40 ? 0x21c0 : 0) ^ \ + (i & 0x20 ? 0x10e0 : 0) ^ (i & 0x10 ? 0x0870 : 0) ^ \ + (i & 0x08 ? 0x0438 : 0) ^ (i & 0x04 ? 0x021c : 0) ^ \ + (i & 0x02 ? 0x010e : 0) ^ (i & 0x01 ? 0x0087 : 0) \ ) #define xda_lle(i) ( \ - (i & 0x80 ? xx(e1, 00) : 0) ^ (i & 0x40 ? xx(70, 80) : 0) ^ \ - (i & 0x20 ? xx(38, 40) : 0) ^ (i & 0x10 ? xx(1c, 20) : 0) ^ \ - (i & 0x08 ? xx(0e, 10) : 0) ^ (i & 0x04 ? xx(07, 08) : 0) ^ \ - (i & 0x02 ? xx(03, 84) : 0) ^ (i & 0x01 ? xx(01, c2) : 0) \ + (i & 0x80 ? 0xe100 : 0) ^ (i & 0x40 ? 0x7080 : 0) ^ \ + (i & 0x20 ? 0x3840 : 0) ^ (i & 0x10 ? 0x1c20 : 0) ^ \ + (i & 0x08 ? 0x0e10 : 0) ^ (i & 0x04 ? 0x0708 : 0) ^ \ + (i & 0x02 ? 0x0384 : 0) ^ (i & 0x01 ? 0x01c2 : 0) \ ) static const u16 gf128mul_table_lle[256] = gf128mul_dat(xda_lle); |