[x64] Implement vpcmpeqd, vpslld, vpsrld AVX instructions.

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 1308 matching lines @@
   }
 
   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(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) {
+    XMMRegister iop = {2};
+    vpd(0x73, iop, dst, src);
+    emit(imm8);
+  }
+  void vpsllq(XMMRegister dst, XMMRegister src, byte imm8) {
+    XMMRegister iop = {6};
+    vpd(0x73, iop, dst, src);
+    emit(imm8);
+  }
   void vcvtss2sd(XMMRegister dst, XMMRegister src1, XMMRegister src2) {
     vsd(0x5a, dst, src1, src2, kF3, k0F, kWIG);
   }
   void vcvtss2sd(XMMRegister dst, XMMRegister src1, const Operand& src2) {
     vsd(0x5a, dst, src1, src2, kF3, k0F, kWIG);
   }
   void vcvtlsi2sd(XMMRegister dst, XMMRegister src1, Register src2) {
     XMMRegister isrc2 = {src2.code()};
     vsd(0x2a, dst, src1, isrc2, kF2, k0F, kW0);
   }
@@ skipping 786 matching lines @@
   Assembler* assembler_;
 #ifdef DEBUG
   int space_before_;
 #endif
 };
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_X64_ASSEMBLER_X64_H_