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- This comparison shows the changes necessary to convert path
/openrisc/tags/gnu-dev/fsf-gcc-snapshot-1-mar-12/or1k-gcc/libitm/config/linux/alpha
- from Rev 737 to Rev 783
- ↔ Reverse comparison
Rev 737 → Rev 783
/futex_bits.h
0,0 → 1,56
/* Copyright (C) 2008, 2009, 2011 Free Software Foundation, Inc. |
Contributed by Richard Henderson <rth@redhat.com>. |
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This file is part of the GNU Transactional Memory Library (libitm). |
|
Libitm is free software; you can redistribute it and/or modify it |
under the terms of the GNU General Public License as published by |
the Free Software Foundation; either version 3 of the License, or |
(at your option) any later version. |
|
Libitm 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 General Public License for |
more details. |
|
Under Section 7 of GPL version 3, you are granted additional |
permissions described in the GCC Runtime Library Exception, version |
3.1, as published by the Free Software Foundation. |
|
You should have received a copy of the GNU General Public License and |
a copy of the GCC Runtime Library Exception along with this program; |
see the files COPYING3 and COPYING.RUNTIME respectively. If not, see |
<http://www.gnu.org/licenses/>. */ |
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/* Provide target-specific access to the futex system call. */ |
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#ifndef SYS_futex |
#define SYS_futex 394 |
#endif |
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static inline long |
sys_futex0 (std::atomic<int> *addr, long op, long val) |
{ |
register long sc_0 __asm__("$0"); |
register long sc_16 __asm__("$16"); |
register long sc_17 __asm__("$17"); |
register long sc_18 __asm__("$18"); |
register long sc_19 __asm__("$19"); |
long res; |
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sc_0 = SYS_futex; |
sc_16 = (long) addr; |
sc_17 = op; |
sc_18 = val; |
sc_19 = 0; |
__asm volatile ("callsys" |
: "=r" (sc_0), "=r"(sc_19) |
: "0"(sc_0), "r" (sc_16), "r"(sc_17), "r"(sc_18), "1"(sc_19) |
: "$1", "$2", "$3", "$4", "$5", "$6", "$7", "$8", |
"$22", "$23", "$24", "$25", "$27", "$28", "memory"); |
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res = sc_0; |
if (__builtin_expect (sc_19, 0)) |
res = -res; |
return res; |
} |