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[Bug bootstrap/85922] bootstrapping fails with -O3 because gcc 8.1.0 generates unknown instruction pshufb
- 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: Fri, 25 May 2018 17:11:17 +0000
- Subject: [Bug bootstrap/85922] bootstrapping fails with -O3 because gcc 8.1.0 generates unknown instruction pshufb
- Auto-submitted: auto-generated
- References: <bug-85922-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85922
Jakub Jelinek <jakub at gcc dot gnu.org> changed:
What |Removed |Added
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CC| |jakub at gcc dot gnu.org
--- Comment #3 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
No, it uses a correct instruction, but you have too old assembler that can't
handle it. Wonder how old your assembler is, because this instruction in
question is part of SSSE3 and is supported in binutils since 2007.