avx512f: _mm512_extractf32x4_ps errors on GCC 6
avx512f: _mm512_extractf32x4_ps errors on GCC 6

error: unrecognizable insn:
 }
 ^
(insn 1657 1656 1658 84 (set (mem/c:V4SF (plus:DI (reg/f:DI 82 virtual-stack-vars)
                (const_int -1808 [0xfffffffffffff8f0])) [1 r+0 S16 A128])
        (vec_merge:V4SF (vec_select:V4SF (reg:V16SF 88 [ _88 ])
                (parallel [
                        (const_int 0 [0])
                        (const_int 1 [0x1])
                        (const_int 2 [0x2])
                        (const_int 3 [0x3])
                    ]))
            (reg:V4SF 148 [ D.64532 ])
            (reg:QI 986))) ../test/x86/avx512f.c:12284 -1
     (nil))
../test/x86/avx512f.c:12295:1: internal compiler error: in extract_insn, at recog.c:2287

nemequ/simde,nemequ/simde,nemequ/simde