diff options
| author | Jakub Jelinek <jakub@redhat.com> | 2016-05-03 13:37:25 +0200 |
|---|---|---|
| committer | Jakub Jelinek <jakub@gcc.gnu.org> | 2016-05-03 13:37:25 +0200 |
| commit | adedd5c173388ae505470df152b9cb3947339566 (patch) | |
| tree | 858576e93abb78b087773e895b143546903f49f2 /gcc/internal-fn.c | |
| parent | 50891606a95368edd688fa9dc73003b1dfd68983 (diff) | |
| download | gcc-adedd5c173388ae505470df152b9cb3947339566.zip gcc-adedd5c173388ae505470df152b9cb3947339566.tar.gz gcc-adedd5c173388ae505470df152b9cb3947339566.tar.bz2 | |
re PR target/49244 (__sync or __atomic builtins will not emit 'lock bts/btr/btc')
PR target/49244
* tree-ssa-ccp.c: Include stor-layout.h and optabs-query.h.
(optimize_atomic_bit_test_and): New function.
(pass_fold_builtins::execute): Use it.
* optabs.def (atomic_bit_test_and_set_optab,
atomic_bit_test_and_complement_optab,
atomic_bit_test_and_reset_optab): New optabs.
* internal-fn.def (ATOMIC_BIT_TEST_AND_SET,
ATOMIC_BIT_TEST_AND_COMPLEMENT, ATOMIC_BIT_TEST_AND_RESET): New ifns.
* builtins.h (expand_ifn_atomic_bit_test_and): New prototype.
* builtins.c (expand_ifn_atomic_bit_test_and): New function.
* internal-fn.c (expand_ATOMIC_BIT_TEST_AND_SET,
expand_ATOMIC_BIT_TEST_AND_COMPLEMENT,
expand_ATOMIC_BIT_TEST_AND_RESET): New functions.
* doc/md.texi (atomic_bit_test_and_set@var{mode},
atomic_bit_test_and_complement@var{mode},
atomic_bit_test_and_reset@var{mode}): Document.
* config/i386/sync.md (atomic_bit_test_and_set<mode>,
atomic_bit_test_and_complement<mode>,
atomic_bit_test_and_reset<mode>): New expanders.
(atomic_bit_test_and_set<mode>_1,
atomic_bit_test_and_complement<mode>_1,
atomic_bit_test_and_reset<mode>_1): New insns.
* gcc.target/i386/pr49244-1.c: New test.
* gcc.target/i386/pr49244-2.c: New test.
From-SVN: r235813
Diffstat (limited to 'gcc/internal-fn.c')
| -rw-r--r-- | gcc/internal-fn.c | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/gcc/internal-fn.c b/gcc/internal-fn.c index e70c73a..c867ddc 100644 --- a/gcc/internal-fn.c +++ b/gcc/internal-fn.c @@ -39,6 +39,7 @@ along with GCC; see the file COPYING3. If not see #include "expr.h" #include "ubsan.h" #include "recog.h" +#include "builtins.h" /* The names of each internal function, indexed by function number. */ const char *const internal_fn_name_array[] = { @@ -2118,6 +2119,30 @@ expand_SET_EDOM (internal_fn, gcall *) #endif } +/* Expand atomic bit test and set. */ + +static void +expand_ATOMIC_BIT_TEST_AND_SET (internal_fn, gcall *call) +{ + expand_ifn_atomic_bit_test_and (call); +} + +/* Expand atomic bit test and complement. */ + +static void +expand_ATOMIC_BIT_TEST_AND_COMPLEMENT (internal_fn, gcall *call) +{ + expand_ifn_atomic_bit_test_and (call); +} + +/* Expand atomic bit test and reset. */ + +static void +expand_ATOMIC_BIT_TEST_AND_RESET (internal_fn, gcall *call) +{ + expand_ifn_atomic_bit_test_and (call); +} + /* Expand a call to FN using the operands in STMT. FN has a single output operand and NARGS input operands. */ |