diff options
author | Eric Paris <eparis@redhat.com> | 2013-11-22 18:57:08 -0500 |
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committer | Eric Paris <eparis@redhat.com> | 2013-11-22 18:57:54 -0500 |
commit | fc582aef7dcc27a7120cf232c1e76c569c7b6eab (patch) | |
tree | 7d275dd4ceab6067b91e9a25a5f6338b425fbccd /arch/tile/lib/string-endian.h | |
parent | 9175c9d2aed528800175ef81c90569d00d23f9be (diff) | |
parent | 5e01dc7b26d9f24f39abace5da98ccbd6a5ceb52 (diff) |
Merge tag 'v3.12'
Linux 3.12
Conflicts:
fs/exec.c
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); +} |