This is the mail archive of the
gcc-bugs@gcc.gnu.org
mailing list for the GCC project.
[Bug rtl-optimization/53125] Very slow compilation on SPARC
- From: "steven at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Fri, 11 May 2012 09:17:44 +0000
- Subject: [Bug rtl-optimization/53125] Very slow compilation on SPARC
- Auto-submitted: auto-generated
- References: <bug-53125-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53125
Steven Bosscher <steven at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Keywords| |alias
Summary|Very slow register |Very slow compilation on
|allocation on SPARC |SPARC
--- Comment #7 from Steven Bosscher <steven at gcc dot gnu.org> 2012-05-11 09:17:44 UTC ---
At -O1, with Vlad's patch and mine applied, compile time is ~230s. The "forward
prop" pass takes 18% of that time, and "alias stmt walking" takes 67%.
This is with a cross from x86_64-linux-gnu to sparc-sun-solaris2.11, trunk
r187371, checking enabled.