[x64] Make MathMinMax use AVX instructions when available.

src/x64/assembler-x64.h

 // Copyright (c) 1994-2006 Sun Microsystems Inc.
 // All Rights Reserved.
 //
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 // - Redistributions of source code must retain the above copyright notice,
 // this list of conditions and the following disclaimer.
 //
@@ skipping 1307 matching lines @@
     impl(opcode, dst, src1, src2);                                     \
   }
 
   AVX_SP_3(vadd, 0x58);
   AVX_SP_3(vsub, 0x5c);
   AVX_SP_3(vmul, 0x59);
   AVX_SP_3(vdiv, 0x5e);
   AVX_SP_3(vmin, 0x5d);
   AVX_SP_3(vmax, 0x5f);
   AVX_P_3(vand, 0x54);
+  AVX_P_3(vor, 0x56);
   AVX_P_3(vxor, 0x57);
   AVX_3(vpcmpeqd, 0x76, vpd);
   AVX_3(vcvtsd2ss, 0x5a, vsd);
 
 #undef AVX_3
 #undef AVX_S_3
 #undef AVX_P_3
 #undef AVX_SP_3
 
   void vpsrlq(XMMRegister dst, XMMRegister src, byte imm8) {
@@ skipping 805 matching lines @@
   Assembler* assembler_;
 #ifdef DEBUG
   int space_before_;
 #endif
 };
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_X64_ASSEMBLER_X64_H_