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[Bug rtl-optimization/38518] Excessive compile time with -O3
- From: "dcb314 at hotmail dot com" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Wed, 26 Jul 2017 07:58:21 +0000
- Subject: [Bug rtl-optimization/38518] Excessive compile time with -O3
- Auto-submitted: auto-generated
- References: <bug-38518-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=38518
--- Comment #12 from David Binderman <dcb314 at hotmail dot com> ---
With recent gcc:
no -O flag: 2 seconds
-O2: 24 seconds
-O3: 247 seconds
I'll have a look at -ftime-report.