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| author | Jan Hubicka <hubicka@ucw.cz> | 2017-06-09 20:36:50 +0200 |
|---|---|---|
| committer | Jan Hubicka <hubicka@gcc.gnu.org> | 2017-06-09 18:36:50 +0000 |
| commit | cb59f689a37fc39178b9ac5fa595c63b3d7eddc0 (patch) | |
| tree | 20113d73599fd0ff67d931b5c31ceee4a1749191 /gcc/tree.c | |
| parent | d225aa745d015e453ae4d47307b486b5c21824fb (diff) | |
| download | gcc-cb59f689a37fc39178b9ac5fa595c63b3d7eddc0.zip gcc-cb59f689a37fc39178b9ac5fa595c63b3d7eddc0.tar.gz gcc-cb59f689a37fc39178b9ac5fa595c63b3d7eddc0.tar.bz2 | |
builtin-attrs.def (ATTR_NORETURN_NOTHROW_LEAF_COLD_LIST, [...]): New.
* builtin-attrs.def (ATTR_NORETURN_NOTHROW_LEAF_COLD_LIST,
ATTR_CONST_NORETURN_NOTHROW_LEAF_COLD_LIST,
ATTR_TMPURE_NORETURN_NOTHROW_LEAF_COLD_LIST): New.
* builtins.def (abort, trap, unreachable): Declare cold.
* calls.c (flags_from_decl_or_type): Lookup ECF_COLD.
* tree-core.h (ECF_COLD): New.
* tree.c (set_call_expr_flags): Handle ECF_COLD.
(build_common_builtin_nodes): Mark unreachable and abort as cold.
* class.c (build_vtbl_initializer): Mark dvirt_fn as cold.
* decl.c (cxx_init_decl_processing, push_throw_library_fn): Likewise.
(excpet.c): Mark terminate as cold.
* gcc.dg/predict-14.c: Avoid cold function detection.
* gcc.target/i386/umod-3.c: Likewise.
From-SVN: r249070
Diffstat (limited to 'gcc/tree.c')
| -rw-r--r-- | gcc/tree.c | 7 |
1 files changed, 5 insertions, 2 deletions
@@ -10625,6 +10625,9 @@ set_call_expr_flags (tree decl, int flags) if (flags & ECF_LEAF) DECL_ATTRIBUTES (decl) = tree_cons (get_identifier ("leaf"), NULL, DECL_ATTRIBUTES (decl)); + if (flags & ECF_COLD) + DECL_ATTRIBUTES (decl) = tree_cons (get_identifier ("cold"), + NULL, DECL_ATTRIBUTES (decl)); if (flags & ECF_RET1) DECL_ATTRIBUTES (decl) = tree_cons (get_identifier ("fn spec"), @@ -10674,11 +10677,11 @@ build_common_builtin_nodes (void) BUILT_IN_UNREACHABLE, "__builtin_unreachable", ECF_NOTHROW | ECF_LEAF | ECF_NORETURN - | ECF_CONST); + | ECF_CONST | ECF_COLD); if (!builtin_decl_explicit_p (BUILT_IN_ABORT)) local_define_builtin ("__builtin_abort", ftype, BUILT_IN_ABORT, "abort", - ECF_LEAF | ECF_NORETURN | ECF_CONST); + ECF_LEAF | ECF_NORETURN | ECF_CONST | ECF_COLD); } if (!builtin_decl_explicit_p (BUILT_IN_MEMCPY) |