Implemented VGETMANT* AVX-512 instructions

Now only missed AVX-512 opcodes now are:

512.66.0F38.W0 13 VCVTPH2PS
512.66.0F3A.W0 1D VCVTPS2PH

512.66.0F38.W0 2C VSCALEFPS
512.66.0F38.W1 2C VSCALEFPD
NDS.LIG.66.0F38.W0 2D VSCALESS
NDS.LIG.66.0F38.W1 2D VSCALESD

512.66.0F38.W0 4C VRCP14PS
512.66.0F38.W1 4C VRCP14PD
NDS.LIG.66.0F38.W0 4D VRCP14SS
NDS.LIG.66.0F38.W1 4D VRCP14SD
512.66.0F38.W0 4E VRSQRT14PS
512.66.0F38.W1 4E VRSQRT14PD
NDS.LIG.66.0F38.W0 4F VRSQRT14SS
NDS.LIG.66.0F38.W1 4F VRSQRT14SD

512.66.0F3A.W0 08 VRNDSCALEPS
512.66.0F3A.W1 09 VRNDSCALEPD
NDS.LIG.66.0F3A.W1 0A VRNDSCALESS
NDS.LIG.66.0F3A.W1 0B VRNDSCALESD


git-svn-id: svn://svn.code.sf.net/p/bochs/code/trunk@12164 6c8e4198-a580-4521-a02f-c9ae86df1db9