[Bug target/49411] [4.6/4.7] ICE: unrecognizable insn with -mxop in _mm_roti_epi8 with negative number

[qneill at gcc dot gnu.org]

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*