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[Bug libstdc++/60621] std::vector::emplace_back generates massively more code than push_back
- From: "redi at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Tue, 12 Jul 2016 11:19:14 +0000
- Subject: [Bug libstdc++/60621] std::vector::emplace_back generates massively more code than push_back
- Auto-submitted: auto-generated
- References: <bug-60621-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=60621
--- Comment #8 from Jonathan Wakely <redi at gcc dot gnu.org> ---
Using the code in comment 6, with 4.9.3, 5.3.0, 6.1.0 and recent 7.0 trunk:
text data bss dec hex filename
5606 696 40 6342 18c6 493.eb
4943 696 40 5679 162f 493.nt
4476 672 40 5188 1444 493.pb
4609 676 4 5289 14a9 530.eb
4881 704 8 5593 15d9 530.nt
4996 652 4 5652 1614 530.pb
4527 704 8 5239 1477 610.eb
4729 704 8 5441 1541 610.nt
4974 680 8 5662 161e 610.pb
4960 704 8 5672 1628 700.eb
5037 696 8 5741 166d 700.nt
5234 672 8 5914 171a 700.pb