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author | Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE> | 2011-08-09 15:40:30 +0000 |
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committer | Rainer Orth <ro@gcc.gnu.org> | 2011-08-09 15:40:30 +0000 |
commit | c6412d86762ea3c31654c4c72b5e7ef86e66d90e (patch) | |
tree | 5e72aa4273181ce9725ac6839df4f5bd5973d9ad /gcc/config/sync.c | |
parent | 6e9ee54ca64d761e0cbfb7981dafbfcb9704240c (diff) | |
download | gcc-c6412d86762ea3c31654c4c72b5e7ef86e66d90e.zip gcc-c6412d86762ea3c31654c4c72b5e7ef86e66d90e.tar.gz gcc-c6412d86762ea3c31654c4c72b5e7ef86e66d90e.tar.bz2 |
sync.c: Move to ../libgcc.
gcc:
* config/sync.c: Move to ../libgcc.
* Makefile.in (libgcc.mvars): Remove LIBGCC_SYNC,
LIBGCC_SYNC_CFLAGS.
* config/mips/t-libgcc-mips16 (LIBGCC_SYNC, LIBGCC_SYNC_CFLAGS):
Remove.
libgcc:
* sync.c: New file.
* config/mips/t-mips16: New file.
* config.host (mips64*-*-linux*): Add mips/t-mips16 to tmake_file.
(mips*-*-linux*): Likewise.
(mips*-sde-elf*): Likewise.
(mipsisa32-*-elf*): Join with mipsisa32r2-*-elf*,
mipsisa64-*-elf*, mipsisa64r2-*-elf*.
Add mips/t-mips16 to tmake_file.
(mipsisa64sb1-*-elf*): Add mips/t-mips16 to tmake_file.
(mips-*-elf*): Likewise.
(mips64-*-elf*): Likewise.
(mips64orion-*-elf*): Likewise.
(mips*-*-rtems*): Likewise.
(mipstx39-*-elf*): Likewise.
* Makefile.in: Use SYNC instead of LIBGCC_SYNC.
($(libgcc-sync-size-funcs-o)): Use SYNC_CFLAGS instead of
LIBGCC_SYNC_CFLAGS.
Use $(srcdir) to refer to sync.c.
Use $<.
($(libgcc-sync-funcs-o)): Likewise.
($(libgcc-sync-size-funcs-s-o)): Likewise.
($(libgcc-sync-funcs-s-o)): Likewise.
From-SVN: r177601
Diffstat (limited to 'gcc/config/sync.c')
-rw-r--r-- | gcc/config/sync.c | 180 |
1 files changed, 0 insertions, 180 deletions
diff --git a/gcc/config/sync.c b/gcc/config/sync.c deleted file mode 100644 index eacdce6..0000000 --- a/gcc/config/sync.c +++ /dev/null @@ -1,180 +0,0 @@ -/* Out-of-line libgcc versions of __sync_* builtins. */ -/* Copyright (C) 2008, 2009 Free Software Foundation, Inc. - -This file is part of GCC. - -GCC 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, or (at your option) any later -version. - -GCC 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/>. */ - -/* This file is used by targets whose makefiles define LIBGCC_SYNC - to "yes". It is compiled with LIBGCC_SYNC_CFLAGS and provides - out-of-line versions of all relevant __sync_* primitives. - - These routines are intended for targets like MIPS that have two - ISA encodings (the "normal" ISA and the MIPS16 ISA). The normal - ISA provides full synchronization capabilities but the MIPS16 ISA - has no encoding for them. MIPS16 code must therefore call external - non-MIPS16 implementations of the __sync_* routines. - - The file is compiled once for each routine. The following __foo - routines are selected by defining a macro called L<foo>: - - __sync_synchronize - - The following __foo_N routines are selected by defining FN=foo - and SIZE=N: - - __sync_fetch_and_add_N - __sync_fetch_and_sub_N - __sync_fetch_and_or_N - __sync_fetch_and_and_N - __sync_fetch_and_xor_N - __sync_fetch_and_nand_N - __sync_add_and_fetch_N - __sync_sub_and_fetch_N - __sync_or_and_fetch_N - __sync_and_and_fetch_N - __sync_xor_and_fetch_N - __sync_nand_and_fetch_N - __sync_bool_compare_and_swap_N - __sync_val_compare_and_swap_N - __sync_lock_test_and_set_N - - SIZE can be 1, 2, 4, 8 or 16. __foo_N is omitted if the target does - not provide __sync_compare_and_swap_N. - - Note that __sync_lock_release does not fall back on external - __sync_lock_release_N functions. The default implementation - of __sync_lock_release is a call to __sync_synchronize followed - by a store of zero, so we don't need separate library functions - for it. */ - -#if defined FN - -/* Define macros for each __sync_* function type. Each macro defines a - local function called <NAME>_<UNITS> that acts like __<NAME>_<UNITS>. - TYPE is a type that has UNITS bytes. */ - -#define DEFINE_V_PV(NAME, UNITS, TYPE) \ - static TYPE \ - NAME##_##UNITS (TYPE *ptr, TYPE value) \ - { \ - return __##NAME (ptr, value); \ - } - -#define DEFINE_V_PVV(NAME, UNITS, TYPE) \ - static TYPE \ - NAME##_##UNITS (TYPE *ptr, TYPE value1, TYPE value2) \ - { \ - return __##NAME (ptr, value1, value2); \ - } - -#define DEFINE_BOOL_PVV(NAME, UNITS, TYPE) \ - static _Bool \ - NAME##_##UNITS (TYPE *ptr, TYPE value1, TYPE value2) \ - { \ - return __##NAME (ptr, value1, value2); \ - } - -/* Map function names to the appropriate DEFINE_* macro. */ - -#define local_sync_fetch_and_add DEFINE_V_PV -#define local_sync_fetch_and_sub DEFINE_V_PV -#define local_sync_fetch_and_or DEFINE_V_PV -#define local_sync_fetch_and_and DEFINE_V_PV -#define local_sync_fetch_and_xor DEFINE_V_PV -#define local_sync_fetch_and_nand DEFINE_V_PV - -#define local_sync_add_and_fetch DEFINE_V_PV -#define local_sync_sub_and_fetch DEFINE_V_PV -#define local_sync_or_and_fetch DEFINE_V_PV -#define local_sync_and_and_fetch DEFINE_V_PV -#define local_sync_xor_and_fetch DEFINE_V_PV -#define local_sync_nand_and_fetch DEFINE_V_PV - -#define local_sync_bool_compare_and_swap DEFINE_BOOL_PVV -#define local_sync_val_compare_and_swap DEFINE_V_PVV - -#define local_sync_lock_test_and_set DEFINE_V_PV - -/* Define the function __<NAME>_<UNITS>, given that TYPE is a type with - UNITS bytes. */ -#define DEFINE1(NAME, UNITS, TYPE) \ - static int unused[sizeof (TYPE) == UNITS ? 1 : -1] \ - __attribute__((unused)); \ - local_##NAME (NAME, UNITS, TYPE); \ - typeof (NAME##_##UNITS) __##NAME##_##UNITS \ - __attribute__((alias (#NAME "_" #UNITS))); - -/* As above, but performing macro expansion on the arguments. */ -#define DEFINE(NAME, UNITS, TYPE) DEFINE1 (NAME, UNITS, TYPE) - -/* Find an appropriate type TYPE for SIZE and invoke DEFINE (FN, SIZE, TYPE). - - The types chosen here may be incorrect for some targets. - For example, targets with 16-byte atomicity support might not - support OImode. We would need some kind of target-specific - override if that becomes a problem. */ - -#if SIZE == 1 && __GCC_HAVE_SYNC_COMPARE_AND_SWAP_1 - -typedef unsigned int UQItype __attribute__((mode (QI))); -DEFINE (FN, 1, UQItype) - -#elif SIZE == 2 && __GCC_HAVE_SYNC_COMPARE_AND_SWAP_2 - -typedef unsigned int UHItype __attribute__((mode (HI))); -DEFINE (FN, 2, UHItype) - -#elif SIZE == 4 && __GCC_HAVE_SYNC_COMPARE_AND_SWAP_4 - -typedef unsigned int USItype __attribute__((mode (SI))); -DEFINE (FN, 4, USItype) - -#elif SIZE == 8 && __GCC_HAVE_SYNC_COMPARE_AND_SWAP_8 - -typedef unsigned int UDItype __attribute__((mode (DI))); -DEFINE (FN, 8, UDItype) - -#elif SIZE == 16 && __GCC_HAVE_SYNC_COMPARE_AND_SWAP_16 - -typedef unsigned int UOItype __attribute__((mode (OI))); -DEFINE (FN, 8, UOItype) - -#endif - -#elif __GCC_HAVE_SYNC_COMPARE_AND_SWAP_1 \ - || __GCC_HAVE_SYNC_COMPARE_AND_SWAP_2 \ - || __GCC_HAVE_SYNC_COMPARE_AND_SWAP_4 \ - || __GCC_HAVE_SYNC_COMPARE_AND_SWAP_8 \ - || __GCC_HAVE_SYNC_COMPARE_AND_SWAP_16 - -#if defined Lsync_synchronize - -static void -sync_synchronize (void) -{ - __sync_synchronize (); -} -typeof (sync_synchronize) __sync_synchronize \ - __attribute__((alias ("sync_synchronize"))); - -#endif - -#endif |