mirror of git://gcc.gnu.org/git/gcc.git
Makefile.in (libgcc.mvars): Add LIBGCC_SYNC and LIBGCC_SYNC_CFLAGS.
gcc/ * Makefile.in (libgcc.mvars): Add LIBGCC_SYNC and LIBGCC_SYNC_CFLAGS. * libgcc-std.ver (GCC_4.4.0): New version, inherited from GCC_4.3.0. Add synchronization functions. * config/sync.c: New file. * config/mips/t-libgcc-mips16 (LIBGCC_SYNC): Define. (LIBGCC_SYNC_CFLAGS): Likewise. libgcc/ * Makefile.in: Add support for __sync_* libgcc functions. From-SVN: r137431
This commit is contained in:
Richard Sandiford
Richard Sandiford
parent
d0aede1456
commit
f92518d7ae
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@ -1,3 +1,12 @@
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2008-07-03 Richard Sandiford <rdsandiford@googlemail.com>
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* Makefile.in (libgcc.mvars): Add LIBGCC_SYNC and LIBGCC_SYNC_CFLAGS.
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* libgcc-std.ver (GCC_4.4.0): New version, inherited from GCC_4.3.0.
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Add synchronization functions.
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* config/sync.c: New file.
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* config/mips/t-libgcc-mips16 (LIBGCC_SYNC): Define.
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(LIBGCC_SYNC_CFLAGS): Likewise.
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2008-07-03 Uros Bizjak <ubizjak@gmail.com>
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2008-07-03 Uros Bizjak <ubizjak@gmail.com>
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PR target/36710
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PR target/36710
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@ -1664,6 +1664,8 @@ libgcc.mvars: config.status Makefile $(LIB2ADD) $(LIB2ADD_ST) specs \
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echo SHLIB_MAPFILES = '$(call srcdirify,$(SHLIB_MAPFILES))' >> tmp-libgcc.mvars
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echo SHLIB_MAPFILES = '$(call srcdirify,$(SHLIB_MAPFILES))' >> tmp-libgcc.mvars
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echo SHLIB_NM_FLAGS = '$(SHLIB_NM_FLAGS)' >> tmp-libgcc.mvars
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echo SHLIB_NM_FLAGS = '$(SHLIB_NM_FLAGS)' >> tmp-libgcc.mvars
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echo LIBGCC2_CFLAGS = '$(LIBGCC2_CFLAGS)' >> tmp-libgcc.mvars
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echo LIBGCC2_CFLAGS = '$(LIBGCC2_CFLAGS)' >> tmp-libgcc.mvars
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echo LIBGCC_SYNC = '$(LIBGCC_SYNC)' >> tmp-libgcc.mvars
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echo LIBGCC_SYNC_CFLAGS = '$(LIBGCC_SYNC_CFLAGS)' >> tmp-libgcc.mvars
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echo CRTSTUFF_CFLAGS = '$(CRTSTUFF_CFLAGS)' >> tmp-libgcc.mvars
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echo CRTSTUFF_CFLAGS = '$(CRTSTUFF_CFLAGS)' >> tmp-libgcc.mvars
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echo CRTSTUFF_T_CFLAGS = '$(CRTSTUFF_T_CFLAGS)' >> tmp-libgcc.mvars
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echo CRTSTUFF_T_CFLAGS = '$(CRTSTUFF_T_CFLAGS)' >> tmp-libgcc.mvars
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echo CRTSTUFF_T_CFLAGS_S = '$(CRTSTUFF_T_CFLAGS_S)' >> tmp-libgcc.mvars
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echo CRTSTUFF_T_CFLAGS_S = '$(CRTSTUFF_T_CFLAGS_S)' >> tmp-libgcc.mvars
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@ -19,3 +19,6 @@ LIB1ASMFUNCS = _m16addsf3 _m16subsf3 _m16mulsf3 _m16divsf3 \
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_m16stubsc9 _m16stubsc10 \
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_m16stubsc9 _m16stubsc10 \
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_m16stubdc0 _m16stubdc1 _m16stubdc2 _m16stubdc5 _m16stubdc6 \
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_m16stubdc0 _m16stubdc1 _m16stubdc2 _m16stubdc5 _m16stubdc6 \
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_m16stubdc9 _m16stubdc10
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_m16stubdc9 _m16stubdc10
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LIBGCC_SYNC = yes
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LIBGCC_SYNC_CFLAGS = -mno-mips16
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@ -0,0 +1,185 @@
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/* Out-of-line libgcc versions of __sync_* builtins. */
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/* Copyright (C) 2008 Free Software Foundation, Inc.
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This file is part of GCC.
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GCC is free software; you can redistribute it and/or modify it under
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the terms of the GNU General Public License as published by the Free
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Software Foundation; either version 2, or (at your option) any later
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version.
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In addition to the permissions in the GNU General Public License, the
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Free Software Foundation gives you unlimited permission to link the
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compiled version of this file into combinations with other programs,
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and to distribute those combinations without any restriction coming
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from the use of this file. (The General Public License restrictions
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do apply in other respects; for example, they cover modification of
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the file, and distribution when not linked into a combine
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executable.)
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GCC is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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for more details.
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You should have received a copy of the GNU General Public License
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along with GCC; see the file COPYING. If not, write to the Free
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Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA
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02110-1301, USA. */
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/* This file is used by targets whose makefiles define LIBGCC_SYNC
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to "yes". It is compiled with LIBGCC_SYNC_CFLAGS and provides
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out-of-line versions of all relevant __sync_* primitives.
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These routines are intended for targets like MIPS that have two
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ISA encodings (the "normal" ISA and the MIPS16 ISA). The normal
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ISA provides full synchronization capabilities but the MIPS16 ISA
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has no encoding for them. MIPS16 code must therefore call external
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non-MIPS16 implementations of the __sync_* routines.
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The file is compiled once for each routine. The following __foo
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routines are selected by defining a macro called L<foo>:
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__sync_synchronize
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The following __foo_N routines are selected by defining FN=foo
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and SIZE=N:
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__sync_fetch_and_add_N
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__sync_fetch_and_sub_N
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__sync_fetch_and_or_N
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__sync_fetch_and_and_N
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__sync_fetch_and_xor_N
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__sync_fetch_and_nand_N
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__sync_add_and_fetch_N
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__sync_sub_and_fetch_N
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__sync_or_and_fetch_N
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__sync_and_and_fetch_N
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__sync_xor_and_fetch_N
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__sync_nand_and_fetch_N
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__sync_bool_compare_and_swap_N
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__sync_val_compare_and_swap_N
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__sync_lock_test_and_set_N
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SIZE can be 1, 2, 4, 8 or 16. __foo_N is omitted if the target does
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not provide __sync_compare_and_swap_N.
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Note that __sync_lock_release does not fall back on external
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__sync_lock_release_N functions. The default implementation
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of __sync_lock_release is a call to __sync_synchronize followed
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by a store of zero, so we don't need separate library functions
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for it. */
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#if defined FN
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/* Define macros for each __sync_* function type. Each macro defines a
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local function called <NAME>_<UNITS> that acts like __<NAME>_<UNITS>.
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TYPE is a type that has UNITS bytes. */
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#define DEFINE_V_PV(NAME, UNITS, TYPE) \
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static TYPE \
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NAME##_##UNITS (TYPE *ptr, TYPE value) \
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{ \
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return __##NAME (ptr, value); \
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}
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#define DEFINE_V_PVV(NAME, UNITS, TYPE) \
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static TYPE \
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NAME##_##UNITS (TYPE *ptr, TYPE value1, TYPE value2) \
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{ \
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return __##NAME (ptr, value1, value2); \
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}
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#define DEFINE_BOOL_PVV(NAME, UNITS, TYPE) \
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static _Bool \
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NAME##_##UNITS (TYPE *ptr, TYPE value1, TYPE value2) \
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{ \
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return __##NAME (ptr, value1, value2); \
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}
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/* Map function names to the appropriate DEFINE_* macro. */
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#define local_sync_fetch_and_add DEFINE_V_PV
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#define local_sync_fetch_and_sub DEFINE_V_PV
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#define local_sync_fetch_and_or DEFINE_V_PV
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#define local_sync_fetch_and_and DEFINE_V_PV
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#define local_sync_fetch_and_xor DEFINE_V_PV
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#define local_sync_fetch_and_nand DEFINE_V_PV
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#define local_sync_add_and_fetch DEFINE_V_PV
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#define local_sync_sub_and_fetch DEFINE_V_PV
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#define local_sync_or_and_fetch DEFINE_V_PV
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#define local_sync_and_and_fetch DEFINE_V_PV
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#define local_sync_xor_and_fetch DEFINE_V_PV
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#define local_sync_nand_and_fetch DEFINE_V_PV
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#define local_sync_bool_compare_and_swap DEFINE_BOOL_PVV
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#define local_sync_val_compare_and_swap DEFINE_V_PVV
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#define local_sync_lock_test_and_set DEFINE_V_PV
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/* Define the function __<NAME>_<UNITS>, given that TYPE is a type with
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UNITS bytes. */
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#define DEFINE1(NAME, UNITS, TYPE) \
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static int unused[sizeof (TYPE) == UNITS ? 1 : -1] \
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__attribute__((unused)); \
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local_##NAME (NAME, UNITS, TYPE); \
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typeof (NAME##_##UNITS) __##NAME##_##UNITS \
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__attribute__((alias (#NAME "_" #UNITS)));
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/* As above, but performing macro expansion on the arguments. */
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#define DEFINE(NAME, UNITS, TYPE) DEFINE1 (NAME, UNITS, TYPE)
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/* Find an appropriate type TYPE for SIZE and invoke DEFINE (FN, SIZE, TYPE).
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The types chosen here may be incorrect for some targets.
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For example, targets with 16-byte atomicity support might not
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support OImode. We would need some kind of target-specific
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override if that becomes a problem. */
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#if SIZE == 1 && __GCC_HAVE_SYNC_COMPARE_AND_SWAP_1
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typedef unsigned int UQItype __attribute__((mode (QI)));
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DEFINE (FN, 1, UQItype)
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#elif SIZE == 2 && __GCC_HAVE_SYNC_COMPARE_AND_SWAP_2
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typedef unsigned int UHItype __attribute__((mode (HI)));
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DEFINE (FN, 2, UHItype)
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#elif SIZE == 4 && __GCC_HAVE_SYNC_COMPARE_AND_SWAP_4
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typedef unsigned int USItype __attribute__((mode (SI)));
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DEFINE (FN, 4, USItype)
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#elif SIZE == 8 && __GCC_HAVE_SYNC_COMPARE_AND_SWAP_8
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typedef unsigned int UDItype __attribute__((mode (DI)));
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DEFINE (FN, 8, UDItype)
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#elif SIZE == 16 && __GCC_HAVE_SYNC_COMPARE_AND_SWAP_16
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typedef unsigned int UOItype __attribute__((mode (OI)));
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DEFINE (FN, 8, UOItype)
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#endif
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#elif __GCC_HAVE_SYNC_COMPARE_AND_SWAP_1 \
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|| __GCC_HAVE_SYNC_COMPARE_AND_SWAP_2 \
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|| __GCC_HAVE_SYNC_COMPARE_AND_SWAP_4 \
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|| __GCC_HAVE_SYNC_COMPARE_AND_SWAP_8 \
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|| __GCC_HAVE_SYNC_COMPARE_AND_SWAP_16
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#if defined Lsync_synchronize
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static void
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sync_synchronize (void)
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{
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__sync_synchronize ();
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}
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typeof (sync_synchronize) __sync_synchronize \
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__attribute__((alias ("sync_synchronize")));
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#endif
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#endif
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@ -1804,3 +1804,88 @@ GCC_4.3.0 {
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%inherit GCC_4.4.0 GCC_4.3.0
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%inherit GCC_4.4.0 GCC_4.3.0
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GCC_4.4.0 {
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GCC_4.4.0 {
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}
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}
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%inherit GCC_4.4.0 GCC_4.3.0
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GCC_4.4.0 {
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__sync_fetch_and_add_1
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__sync_fetch_and_sub_1
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__sync_fetch_and_or_1
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__sync_fetch_and_and_1
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__sync_fetch_and_xor_1
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__sync_fetch_and_nand_1
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__sync_add_and_fetch_1
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__sync_sub_and_fetch_1
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__sync_or_and_fetch_1
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__sync_and_and_fetch_1
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__sync_xor_and_fetch_1
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__sync_nand_and_fetch_1
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__sync_bool_compare_and_swap_1
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__sync_val_compare_and_swap_1
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__sync_lock_test_and_set_1
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__sync_fetch_and_add_2
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__sync_fetch_and_sub_2
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__sync_fetch_and_or_2
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__sync_fetch_and_and_2
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__sync_fetch_and_xor_2
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__sync_fetch_and_nand_2
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__sync_add_and_fetch_2
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__sync_sub_and_fetch_2
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__sync_or_and_fetch_2
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__sync_and_and_fetch_2
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__sync_xor_and_fetch_2
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__sync_nand_and_fetch_2
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__sync_bool_compare_and_swap_2
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__sync_val_compare_and_swap_2
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__sync_lock_test_and_set_2
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__sync_fetch_and_add_4
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__sync_fetch_and_sub_4
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__sync_fetch_and_or_4
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__sync_fetch_and_and_4
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__sync_fetch_and_xor_4
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__sync_fetch_and_nand_4
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__sync_add_and_fetch_4
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__sync_sub_and_fetch_4
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__sync_or_and_fetch_4
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__sync_and_and_fetch_4
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__sync_xor_and_fetch_4
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__sync_nand_and_fetch_4
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__sync_bool_compare_and_swap_4
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__sync_val_compare_and_swap_4
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__sync_lock_test_and_set_4
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__sync_fetch_and_add_8
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__sync_fetch_and_sub_8
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__sync_fetch_and_or_8
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__sync_fetch_and_and_8
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__sync_fetch_and_xor_8
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__sync_fetch_and_nand_8
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__sync_add_and_fetch_8
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__sync_sub_and_fetch_8
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__sync_or_and_fetch_8
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__sync_and_and_fetch_8
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__sync_xor_and_fetch_8
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__sync_nand_and_fetch_8
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__sync_bool_compare_and_swap_8
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__sync_val_compare_and_swap_8
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__sync_lock_test_and_set_8
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|
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__sync_fetch_and_add_16
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__sync_fetch_and_sub_16
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__sync_fetch_and_or_16
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__sync_fetch_and_and_16
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||||||
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__sync_fetch_and_xor_16
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__sync_fetch_and_nand_16
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__sync_add_and_fetch_16
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__sync_sub_and_fetch_16
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__sync_or_and_fetch_16
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||||||
|
__sync_and_and_fetch_16
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__sync_xor_and_fetch_16
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__sync_nand_and_fetch_16
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||||||
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__sync_bool_compare_and_swap_16
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__sync_val_compare_and_swap_16
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__sync_lock_test_and_set_16
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__sync_synchronize
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}
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|
@ -1,3 +1,7 @@
|
||||||
|
2008-07-03 Richard Sandiford <rdsandiford@googlemail.com>
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||||||
|
|
||||||
|
* Makefile.in: Add support for __sync_* libgcc functions.
|
||||||
|
|
||||||
2008-07-03 H.J. Lu <hongjiu.lu@intel.com>
|
2008-07-03 H.J. Lu <hongjiu.lu@intel.com>
|
||||||
|
|
||||||
* shared-object.mk ($(base)_s$(objext)): Remove -DSHARED.
|
* shared-object.mk ($(base)_s$(objext)): Remove -DSHARED.
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||||||
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|
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||||||
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|
@ -577,6 +577,54 @@ endif
|
||||||
|
|
||||||
endif
|
endif
|
||||||
|
|
||||||
|
ifeq ($(LIBGCC_SYNC),yes)
|
||||||
|
libgcc-sync-size-funcs := $(foreach op, add sub or and xor nand, \
|
||||||
|
sync_fetch_and_$(op) \
|
||||||
|
sync_$(op)_and_fetch) \
|
||||||
|
sync_bool_compare_and_swap \
|
||||||
|
sync_val_compare_and_swap \
|
||||||
|
sync_lock_test_and_set
|
||||||
|
|
||||||
|
libgcc-sync-size-funcs := $(foreach prefix, $(libgcc-sync-size-funcs), \
|
||||||
|
$(foreach suffix, 1 2 4 8 16, \
|
||||||
|
$(prefix)_$(suffix)))
|
||||||
|
|
||||||
|
libgcc-sync-size-funcs-o = $(patsubst %,%$(objext),$(libgcc-sync-size-funcs))
|
||||||
|
$(libgcc-sync-size-funcs-o): %$(objext): $(gcc_srcdir)/config/sync.c
|
||||||
|
$(gcc_compile) $(LIBGCC_SYNC_CFLAGS) \
|
||||||
|
-DFN=`echo "$*" | sed 's/_[^_]*$$//'` \
|
||||||
|
-DSIZE=`echo "$*" | sed 's/.*_//'` \
|
||||||
|
-c $(gcc_srcdir)/config/sync.c $(vis_hide)
|
||||||
|
libgcc-objects += $(libgcc-sync-size-funcs-o)
|
||||||
|
|
||||||
|
libgcc-sync-funcs := sync_synchronize
|
||||||
|
|
||||||
|
libgcc-sync-funcs-o = $(patsubst %,%$(objext),$(libgcc-sync-funcs))
|
||||||
|
$(libgcc-sync-funcs-o): %$(objext): $(gcc_srcdir)/config/sync.c
|
||||||
|
$(gcc_compile) $(LIBGCC_SYNC_CFLAGS) \
|
||||||
|
-DL$* \
|
||||||
|
-c $(gcc_srcdir)/config/sync.c $(vis_hide)
|
||||||
|
libgcc-objects += $(libgcc-sync-funcs-o)
|
||||||
|
|
||||||
|
ifeq ($(enable_shared),yes)
|
||||||
|
libgcc-sync-size-funcs-s-o = $(patsubst %,%_s$(objext), \
|
||||||
|
$(libgcc-sync-size-funcs))
|
||||||
|
$(libgcc-sync-size-funcs-s-o): %_s$(objext): $(gcc_srcdir)/config/sync.c
|
||||||
|
$(gcc_s_compile) $(LIBGCC_SYNC_CFLAGS) \
|
||||||
|
-DFN=`echo "$*" | sed 's/_[^_]*$$//'` \
|
||||||
|
-DSIZE=`echo "$*" | sed 's/.*_//'` \
|
||||||
|
-c $(gcc_srcdir)/config/sync.c
|
||||||
|
libgcc-s-objects += $(libgcc-sync-size-funcs-s-o)
|
||||||
|
|
||||||
|
libgcc-sync-funcs-s-o = $(patsubst %,%_s$(objext),$(libgcc-sync-funcs))
|
||||||
|
$(libgcc-sync-funcs-s-o): %_s$(objext): $(gcc_srcdir)/config/sync.c
|
||||||
|
$(gcc_s_compile) $(LIBGCC_SYNC_CFLAGS) \
|
||||||
|
-DL$* \
|
||||||
|
-c $(gcc_srcdir)/config/sync.c
|
||||||
|
libgcc-s-objects += $(libgcc-sync-funcs-s-o)
|
||||||
|
endif
|
||||||
|
endif
|
||||||
|
|
||||||
# Build fixed-point support.
|
# Build fixed-point support.
|
||||||
ifeq ($(fixed_point),yes)
|
ifeq ($(fixed_point),yes)
|
||||||
|
|
||||||
|
|
|
||||||
Loading…
Reference in New Issue