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[Bug target/49411] [4.6/4.7] ICE: unrecognizable insn with -mxop in _mm_roti_epi8 with negative number
- From: "qneill at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Wed, 15 Jun 2011 16:40:02 +0000
- Subject: [Bug target/49411] [4.6/4.7] ICE: unrecognizable insn with -mxop in _mm_roti_epi8 with negative number
- Auto-submitted: auto-generated
- References: <bug-49411-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49411
--- Comment #6 from Quentin Neill <qneill at gcc dot gnu.org> 2011-06-15 16:39:47 UTC ---
(In reply to comment #5)
> newer patch has been posted
Thanks; I will test this on AMD HW.
> test the op of vpermil
Okay.
> _mm_com*
I spotted them in the opcode tables, but had forgotten how those work.
I'm looking into lwpval/ins, bextr (there is an immediate) and vcvtps*