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From: "jakub at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
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Subject: [Bug target/64688] [5 Regression] internal compiler error: Max. number of generated reload insns per insn is achieved (90)
Date: Tue, 20 Jan 2015 16:50:00 -0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64688

--- Comment #2 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
This is while reloading
(define_insn "vec_set<mode>_0"
  [(set (match_operand:VI4F_128 0 "nonimmediate_operand"
          "=Yr,*v,v,v ,x,x,v,Yr ,*x ,x  ,m ,m   ,m")
        (vec_merge:VI4F_128
          (vec_duplicate:VI4F_128
            (match_operand:<ssescalarmode> 2 "general_operand"
          " Yr,*v,m,*r,m,x,v,*rm,*rm,*rm,!x,!*re,!*fF"))
          (match_operand:VI4F_128 1 "vector_move_operand"
          " C , C,C,C ,C,0,v,0  ,0  ,x  ,0 ,0   ,0")
          (const_int 1)))]
instruction I think.