diff options
| author | Jakub Jelinek <jakub@gcc.gnu.org> | 2016-10-25 10:47:15 +0200 |
|---|---|---|
| committer | Jakub Jelinek <jakub@gcc.gnu.org> | 2016-10-25 10:47:15 +0200 |
| commit | e16f1cc79dc131b0762cec4c18cfcd795fb6fe75 (patch) | |
| tree | 2d1523ca1b3160a1e7eafa9814f6a920b91ac43e /gcc/internal-fn.c | |
| parent | 080c5459776a70bf6dc9c3410361011591667951 (diff) | |
| download | gcc-e16f1cc79dc131b0762cec4c18cfcd795fb6fe75.zip gcc-e16f1cc79dc131b0762cec4c18cfcd795fb6fe75.tar.gz gcc-e16f1cc79dc131b0762cec4c18cfcd795fb6fe75.tar.bz2 | |
internal-fn.def (LAUNDER): New internal function.
* internal-fn.def (LAUNDER): New internal function.
* internal-fn.c (expand_LAUNDER): New function.
c-family/
* c-common.h (enum rid): Add RID_BUILTIN_LAUNDER.
* c-common.c (c_common_reswords): Add __builtin_launder.
cp/
* cp-tree.h (finish_builtin_launder): Declare.
* parser.c (cp_parser_postfix_expression): Handle RID_BUILTIN_LAUNDER.
* semantics.c (finish_builtin_launder): New function.
* pt.c (tsubst_copy_and_build): Handle instantiation of IFN_LAUNDER.
* constexpr.c (cxx_eval_internal_function): Handle IFN_LAUNDER.
(potential_constant_expression_1): Likewise.
testsuite/
* g++.dg/cpp1z/launder1.C: New test.
* g++.dg/cpp1z/launder2.C: New test.
From-SVN: r241506
Diffstat (limited to 'gcc/internal-fn.c')
| -rw-r--r-- | gcc/internal-fn.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/gcc/internal-fn.c b/gcc/internal-fn.c index 0b32d5f..4477697 100644 --- a/gcc/internal-fn.c +++ b/gcc/internal-fn.c @@ -2207,6 +2207,19 @@ expand_ATOMIC_COMPARE_EXCHANGE (internal_fn, gcall *call) expand_ifn_atomic_compare_exchange (call); } +/* Expand LAUNDER to assignment, lhs = arg0. */ + +static void +expand_LAUNDER (internal_fn, gcall *call) +{ + tree lhs = gimple_call_lhs (call); + + if (!lhs) + return; + + expand_assignment (lhs, gimple_call_arg (call, 0), false); +} + /* Expand a call to FN using the operands in STMT. FN has a single output operand and NARGS input operands. */ |