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Diffstat (limited to 'sysdeps/tile/string-endian.h')
| -rw-r--r-- | sysdeps/tile/string-endian.h | 84 |
1 files changed, 0 insertions, 84 deletions
diff --git a/sysdeps/tile/string-endian.h b/sysdeps/tile/string-endian.h deleted file mode 100644 index 3a2d495..0000000 --- a/sysdeps/tile/string-endian.h +++ /dev/null @@ -1,84 +0,0 @@ -/* Copyright (C) 2011-2018 Free Software Foundation, Inc. - This file is part of the GNU C Library. - Contributed by Chris Metcalf <cmetcalf@tilera.com>, 2011. - - The GNU C Library is free software; you can redistribute it and/or - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 of the License, or (at your option) any later version. - - The GNU C Library is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library. If not, see - <http://www.gnu.org/licenses/>. */ - -#include <endian.h> -#include <stdint.h> - -/* Provide a set of macros to help keep endianness #ifdefs out of - the string functions. - - MASK: Provide a mask based on the pointer alignment that - sets up non-zero bytes before the beginning of the string. - The MASK expression works because shift counts are taken mod 64. - - NULMASK: Clear bytes beyond a given point in the string. - - CFZ: Find the first zero bit in the 8 string bytes in a long. - - REVCZ: Find the last zero bit in the 8 string bytes in a long. - - STRSHIFT: Shift N bits towards the start of the string. */ - -#if __BYTE_ORDER == __LITTLE_ENDIAN -#define MASK(x) (__insn_shl(1ULL, (x << 3)) - 1) -#define NULMASK(x) ((2ULL << x) - 1) -#define CFZ(x) __insn_ctz(x) -#define REVCZ(x) __insn_clz(x) -#define STRSHIFT(x,n) ((x) >> n) -#else -#define MASK(x) (__insn_shl(-2LL, ((-x << 3) - 1))) -#define NULMASK(x) (-2LL << (63 - x)) -#define CFZ(x) __insn_clz(x) -#define REVCZ(x) __insn_ctz(x) -#define STRSHIFT(x,n) ((x) << n) -#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); -} - -/* Implement the byte vector instructions using extended assembly. - The __insn_OP() builtins are buggy in the upstream compiler; - see gcc bugzilla 78117. */ - -#define VECOP(OP) \ - static inline uint64_t OP (uint64_t a, uint64_t b) \ - { \ - uint64_t result; \ - asm volatile (#OP " %0, %1, %2" : "=r"(result) : "r"(a), "r"(b)); \ - return result; \ - } \ - \ - static inline uint64_t OP ## i (uint64_t a, uint64_t b) \ - { \ - uint64_t result; \ - asm volatile (#OP "i %0, %1, %2" : "=r"(result) : "r"(a), "I"(b)); \ - return result; \ - } - -VECOP(v1cmpeq) -VECOP(v1cmpltu) -VECOP(v1cmpne) -VECOP(v1add) -VECOP(v1shru) -VECOP(v1shl) |