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[Bug c/37807] Exponential compile time with MMX builtins.
- From: "suckfish at ihug dot co dot nz" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 11 Oct 2008 23:02:32 -0000
- Subject: [Bug c/37807] Exponential compile time with MMX builtins.
- References: <bug-37807-2018@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #5 from suckfish at ihug dot co dot nz 2008-10-11 23:02 -------
It looks like nonzero_bits1 in rtlanal.c is going into an exponential
recursion.
AFAICS, that function doesn't deal properly with vector arithmetic anyway?
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=37807