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[Bug target/67329] [5] gcc.dg/tree-ssa/ssa-dom-cse-2.c fails on -march=pentium or -march=iamcu
- From: "pinskia at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Sun, 23 Aug 2015 14:42:19 +0000
- Subject: [Bug target/67329] [5] gcc.dg/tree-ssa/ssa-dom-cse-2.c fails on -march=pentium or -march=iamcu
- Auto-submitted: auto-generated
- References: <bug-67329-4 at http dot gcc dot gnu dot org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67329
--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
This is a cost issue.
And even has this comment in the testcase:
/* See PR63679 and PR64159, if the target forces the initializer to memory then
DOM is not able to perform this optimization. */