AMOVHDU
AMOVNTHD
AMOVHDA
+ AVPCMPEQB
+ AVPMOVMSKB
+ AVPAND
+ AVPTEST
+ AVPBROADCASTB
// from 386
AJCXZW
REGRET = REG_AX
FREGRET = REG_X0
REGSP = REG_SP
- REGTMP = REG_DI
REGCTXT = REG_DX
REGEXT = REG_R15 /* compiler allocates external registers R15 down */
FREGMIN = REG_X0 + 5 /* first register variable */