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[Bug target/79197] [5/6 Regression] ICE in extract_insn in gcc/recog.c:2311
- From: "jakub at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Thu, 02 Feb 2017 14:50:42 +0000
- Subject: [Bug target/79197] [5/6 Regression] ICE in extract_insn in gcc/recog.c:2311
- Auto-submitted: auto-generated
- References: <bug-79197-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79197
--- Comment #15 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
I see SIGILL on
0x00003fffb7e722e8 <H5T__conv_ulong_float+2744>: xscvuxdsp vs32,vs33
=> 0x00003fffb7e722ec <H5T__conv_ulong_float+2748>: stxssp v0,0(r31)
0x00003fffb7e722f0 <H5T__conv_ulong_float+2752>: add r31,r31,r27
This is in libhdf5 compiled with -mcpu=power8, I believe stxssp is power9
instruction. Let me try to distill a self-contained testcase.