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| author | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2013-10-08 19:43:00 +0400 |
|---|---|---|
| committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2013-10-08 19:43:00 +0400 |
| commit | e3c55d406bd8df1a878546002c93db90c42be10c (patch) | |
| tree | efb0ba2707c95fd7166cf1b76887c43c977e37dd /arch/tile/lib/string-endian.h | |
| parent | 4d6e482675f13e33599fc3d18fc723959be0a9b6 (diff) | |
| parent | d0e639c9e06d44e713170031fe05fb60ebe680af (diff) | |
| download | linux-e3c55d406bd8df1a878546002c93db90c42be10c.tar.xz | |
Merge tag 'v3.12-rc4' into next
Merge with mainline to bring in changes to input subsystem that were
committed through other trees.
Diffstat (limited to 'arch/tile/lib/string-endian.h')
| -rw-r--r-- | arch/tile/lib/string-endian.h | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/arch/tile/lib/string-endian.h b/arch/tile/lib/string-endian.h index c0eed7ce69c3..2e49cbfe9371 100644 --- a/arch/tile/lib/string-endian.h +++ b/arch/tile/lib/string-endian.h @@ -1,5 +1,5 @@ /* - * Copyright 2011 Tilera Corporation. All Rights Reserved. + * Copyright 2013 Tilera Corporation. All Rights Reserved. * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License @@ -31,3 +31,14 @@ #define CFZ(x) __insn_clz(x) #define REVCZ(x) __insn_ctz(x) #endif + +/* + * Create eight copies of the byte in a uint64_t. Byte Shuffle uses + * the bytes of srcB as the index into the dest vector to select a + * byte. With all indices of zero, the first byte is copied into all + * the other bytes. + */ +static inline uint64_t copy_byte(uint8_t byte) +{ + return __insn_shufflebytes(byte, 0, 0); +} |