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[Bug middle-end/56548] [4.8 Regression] ICE in emit_move_insn, at expr.c:3486 with -march=pentium{pro,2,3} -O3
- From: "mikpe at it dot uu.se" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Thu, 16 May 2013 12:40:42 +0000
- Subject: [Bug middle-end/56548] [4.8 Regression] ICE in emit_move_insn, at expr.c:3486 with -march=pentium{pro,2,3} -O3
- Auto-submitted: auto-generated
- References: <bug-56548-4 at http dot gcc dot gnu dot org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56548
--- Comment #9 from Mikael Pettersson <mikpe at it dot uu.se> ---
(In reply to Ralf Baechle from comment #8)
> FWIW, I'm also hitting the same compiler bug with vanilla GCC 4.7.2 and
> 4.8.0 compiling a heavily patched 3.4 kernel with LTO for a mips64-linux
> target.
Please upload a pre-processed test case. Since you're getting this with
gcc-4.7.2 it's presumably not caused by r193539 as comment #1 indicated.
Have you tried gcc trunk, just to see if it's been fixed there?