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| author | Martin Liska <mliska@suse.cz> | 2018-08-10 13:40:40 +0200 |
|---|---|---|
| committer | Martin Liska <marxin@gcc.gnu.org> | 2018-08-10 11:40:40 +0000 |
| commit | 8b9a5b5e0e1c69cd97f56c732cdb8a96c92baabe (patch) | |
| tree | 0cb0dfc849273125d64fdbf1605be514baeddefe | |
| parent | aa40590559358fb59326f6adaed65db709061640 (diff) | |
| download | gcc-8b9a5b5e0e1c69cd97f56c732cdb8a96c92baabe.zip gcc-8b9a5b5e0e1c69cd97f56c732cdb8a96c92baabe.tar.gz gcc-8b9a5b5e0e1c69cd97f56c732cdb8a96c92baabe.tar.bz2 | |
Remove not needed __builtin_expect due to malloc predictor.
2018-08-10 Martin Liska <mliska@suse.cz>
* libsupc++/new_op.cc (new): Remove __builtin_expect as malloc
predictor can handle that.
* libsupc++/new_opa.cc: Likewise.
* libsupc++/new_opnt.cc (new): Likewise.
From-SVN: r263470
| -rw-r--r-- | libstdc++-v3/ChangeLog | 7 | ||||
| -rw-r--r-- | libstdc++-v3/libsupc++/new_op.cc | 2 | ||||
| -rw-r--r-- | libstdc++-v3/libsupc++/new_opa.cc | 2 | ||||
| -rw-r--r-- | libstdc++-v3/libsupc++/new_opnt.cc | 2 |
4 files changed, 10 insertions, 3 deletions
diff --git a/libstdc++-v3/ChangeLog b/libstdc++-v3/ChangeLog index c76324c..347c9e3 100644 --- a/libstdc++-v3/ChangeLog +++ b/libstdc++-v3/ChangeLog @@ -1,3 +1,10 @@ +2018-08-10 Martin Liska <mliska@suse.cz> + + * libsupc++/new_op.cc (new): Remove __builtin_expect as malloc + predictor can handle that. + * libsupc++/new_opa.cc: Likewise. + * libsupc++/new_opnt.cc (new): Likewise. + 2018-08-10 Sebastian Huber <sebastian.huber@embedded-brains.de> PR target/85904 diff --git a/libstdc++-v3/libsupc++/new_op.cc b/libstdc++-v3/libsupc++/new_op.cc index 3a1e38d..3caa0ba 100644 --- a/libstdc++-v3/libsupc++/new_op.cc +++ b/libstdc++-v3/libsupc++/new_op.cc @@ -47,7 +47,7 @@ operator new (std::size_t sz) _GLIBCXX_THROW (std::bad_alloc) if (sz == 0) sz = 1; - while (__builtin_expect ((p = malloc (sz)) == 0, false)) + while ((p = malloc (sz)) == 0) { new_handler handler = std::get_new_handler (); if (! handler) diff --git a/libstdc++-v3/libsupc++/new_opa.cc b/libstdc++-v3/libsupc++/new_opa.cc index 68eac5b..a27ff84 100644 --- a/libstdc++-v3/libsupc++/new_opa.cc +++ b/libstdc++-v3/libsupc++/new_opa.cc @@ -126,7 +126,7 @@ operator new (std::size_t sz, std::align_val_t al) #endif using __gnu_cxx::aligned_alloc; - while (__builtin_expect ((p = aligned_alloc (align, sz)) == 0, false)) + while ((p = aligned_alloc (align, sz)) == 0) { new_handler handler = std::get_new_handler (); if (! handler) diff --git a/libstdc++-v3/libsupc++/new_opnt.cc b/libstdc++-v3/libsupc++/new_opnt.cc index a2dc33a..faab44e 100644 --- a/libstdc++-v3/libsupc++/new_opnt.cc +++ b/libstdc++-v3/libsupc++/new_opnt.cc @@ -40,7 +40,7 @@ operator new (std::size_t sz, const std::nothrow_t&) _GLIBCXX_USE_NOEXCEPT if (sz == 0) sz = 1; - while (__builtin_expect ((p = malloc (sz)) == 0, false)) + while ((p = malloc (sz)) == 0) { new_handler handler = std::get_new_handler (); if (! handler) |