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authorEric Biggers <ebiggers@google.com>2017-02-14 13:43:28 -0800
committerHerbert Xu <herbert@gondor.apana.org.au>2017-03-09 18:34:15 +0800
commit2416e4fa98b9763ea06e0f441c23ce7a293a87f4 (patch)
tree404e4e4f1e9d2e2f62fbded36be7d3c043626ff4 /crypto/gf128mul.c
parent63be5b53b6d15f7706ad21e9801dae5b723e8340 (diff)
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.c18
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);