1 /*
   2  * Copyright (c) 1997, 2026, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  *
  23  */
  24 
  25 #ifndef CPU_X86_MACROASSEMBLER_X86_HPP
  26 #define CPU_X86_MACROASSEMBLER_X86_HPP
  27 
  28 #include "asm/assembler.hpp"
  29 #include "asm/register.hpp"
  30 #include "code/vmreg.inline.hpp"
  31 #include "compiler/oopMap.hpp"
  32 #include "utilities/macros.hpp"
  33 #include "runtime/vm_version.hpp"
  34 #include "utilities/checkedCast.hpp"
  35 
  36 // MacroAssembler extends Assembler by frequently used macros.
  37 //
  38 // Instructions for which a 'better' code sequence exists depending
  39 // on arguments should also go in here.
  40 
  41 class MacroAssembler: public Assembler {
  42   friend class LIR_Assembler;
  43   friend class Runtime1;      // as_Address()
  44 
  45  public:
  46   // Support for VM calls
  47   //
  48   // This is the base routine called by the different versions of call_VM_leaf. The interpreter
  49   // may customize this version by overriding it for its purposes (e.g., to save/restore
  50   // additional registers when doing a VM call).
  51 
  52   virtual void call_VM_leaf_base(
  53     address entry_point,               // the entry point
  54     int     number_of_arguments        // the number of arguments to pop after the call
  55   );
  56 
  57  protected:
  58   // This is the base routine called by the different versions of call_VM. The interpreter
  59   // may customize this version by overriding it for its purposes (e.g., to save/restore
  60   // additional registers when doing a VM call).
  61   //
  62   // call_VM_base returns the register which contains the thread upon return.
  63   // If no last_java_sp is specified (noreg) than rsp will be used instead.
  64   virtual void call_VM_base(           // returns the register containing the thread upon return
  65     Register oop_result,               // where an oop-result ends up if any; use noreg otherwise
  66     Register last_java_sp,             // to set up last_Java_frame in stubs; use noreg otherwise
  67     address  entry_point,              // the entry point
  68     int      number_of_arguments,      // the number of arguments (w/o thread) to pop after the call
  69     bool     check_exceptions          // whether to check for pending exceptions after return
  70   );
  71 
  72   void call_VM_helper(Register oop_result, address entry_point, int number_of_arguments, bool check_exceptions = true);
  73 
  74  public:
  75   MacroAssembler(CodeBuffer* code) : Assembler(code) {}
  76 
  77  // These routines should emit JVMTI PopFrame and ForceEarlyReturn handling code.
  78  // The implementation is only non-empty for the InterpreterMacroAssembler,
  79  // as only the interpreter handles PopFrame and ForceEarlyReturn requests.
  80  virtual void check_and_handle_popframe();
  81  virtual void check_and_handle_earlyret();
  82 
  83   Address as_Address(AddressLiteral adr);
  84   Address as_Address(ArrayAddress adr, Register rscratch);
  85 
  86   // Support for null-checks
  87   //
  88   // Generates code that causes a null OS exception if the content of reg is null.
  89   // If the accessed location is M[reg + offset] and the offset is known, provide the
  90   // offset. No explicit code generation is needed if the offset is within a certain
  91   // range (0 <= offset <= page_size).
  92 
  93   void null_check(Register reg, int offset = -1);
  94   static bool needs_explicit_null_check(intptr_t offset);
  95   static bool uses_implicit_null_check(void* address);
  96 
  97   // Required platform-specific helpers for Label::patch_instructions.
  98   // They _shadow_ the declarations in AbstractAssembler, which are undefined.
  99   void pd_patch_instruction(address branch, address target, const char* file, int line) {
 100     unsigned char op = branch[0];
 101     assert(op == 0xE8 /* call */ ||
 102         op == 0xE9 /* jmp */ ||
 103         op == 0xEB /* short jmp */ ||
 104         (op & 0xF0) == 0x70 /* short jcc */ ||
 105         (op == 0x0F && (branch[1] & 0xF0) == 0x80) /* jcc */ ||
 106         (op == 0xC7 && branch[1] == 0xF8) /* xbegin */ ||
 107         (op == 0x8D) /* lea */,
 108         "Invalid opcode at patch point");
 109 
 110     if (op == 0xEB || (op & 0xF0) == 0x70) {
 111       // short offset operators (jmp and jcc)
 112       char* disp = (char*) &branch[1];
 113       int imm8 = checked_cast<int>(target - (address) &disp[1]);
 114       guarantee(this->is8bit(imm8), "Short forward jump exceeds 8-bit offset at %s:%d",
 115                 file == nullptr ? "<null>" : file, line);
 116       *disp = (char)imm8;
 117     } else {
 118       int* disp = (int*) &branch[(op == 0x0F || op == 0xC7 || op == 0x8D) ? 2 : 1];
 119       int imm32 = checked_cast<int>(target - (address) &disp[1]);
 120       *disp = imm32;
 121     }
 122   }
 123 
 124   // The following 4 methods return the offset of the appropriate move instruction
 125 
 126   // Support for fast byte/short loading with zero extension (depending on particular CPU)
 127   int load_unsigned_byte(Register dst, Address src);
 128   int load_unsigned_short(Register dst, Address src);
 129 
 130   // Support for fast byte/short loading with sign extension (depending on particular CPU)
 131   int load_signed_byte(Register dst, Address src);
 132   int load_signed_short(Register dst, Address src);
 133 
 134   // Support for sign-extension (hi:lo = extend_sign(lo))
 135   void extend_sign(Register hi, Register lo);
 136 
 137   // Load and store values by size and signed-ness
 138   void load_sized_value(Register dst, Address src, size_t size_in_bytes, bool is_signed, Register dst2 = noreg);
 139   void store_sized_value(Address dst, Register src, size_t size_in_bytes, Register src2 = noreg);
 140 
 141   // Support for inc/dec with optimal instruction selection depending on value
 142 
 143   void increment(Register reg, int value = 1) { incrementq(reg, value); }
 144   void decrement(Register reg, int value = 1) { decrementq(reg, value); }
 145   void increment(Address dst, int value = 1)  { incrementq(dst, value); }
 146   void decrement(Address dst, int value = 1)  { decrementq(dst, value); }
 147 
 148   void decrementl(Address dst, int value = 1);
 149   void decrementl(Register reg, int value = 1);
 150 
 151   void decrementq(Register reg, int value = 1);
 152   void decrementq(Address dst, int value = 1);
 153 
 154   void incrementl(Address dst, int value = 1);
 155   void incrementl(Register reg, int value = 1);
 156 
 157   void incrementq(Register reg, int value = 1);
 158   void incrementq(Address dst, int value = 1);
 159 
 160   void incrementl(AddressLiteral dst, Register rscratch = noreg);
 161   void incrementl(ArrayAddress   dst, Register rscratch);
 162 
 163   void incrementq(AddressLiteral dst, Register rscratch = noreg);
 164 
 165   void movhlf(XMMRegister dst, XMMRegister src, Register rscratch = noreg);
 166 
 167   // Support optimal SSE move instructions.
 168   void movflt(XMMRegister dst, XMMRegister src) {
 169     if (dst-> encoding() == src->encoding()) return;
 170     if (UseXmmRegToRegMoveAll) { movaps(dst, src); return; }
 171     else                       { movss (dst, src); return; }
 172   }
 173   void movflt(XMMRegister dst, Address src) { movss(dst, src); }
 174   void movflt(XMMRegister dst, AddressLiteral src, Register rscratch = noreg);
 175   void movflt(Address dst, XMMRegister src) { movss(dst, src); }
 176 
 177   // Move with zero extension
 178   void movfltz(XMMRegister dst, XMMRegister src) { movss(dst, src); }
 179 
 180   void movdbl(XMMRegister dst, XMMRegister src) {
 181     if (dst-> encoding() == src->encoding()) return;
 182     if (UseXmmRegToRegMoveAll) { movapd(dst, src); return; }
 183     else                       { movsd (dst, src); return; }
 184   }
 185 
 186   void movdbl(XMMRegister dst, AddressLiteral src, Register rscratch = noreg);
 187 
 188   void movdbl(XMMRegister dst, Address src) {
 189     if (UseXmmLoadAndClearUpper) { movsd (dst, src); return; }
 190     else                         { movlpd(dst, src); return; }
 191   }
 192   void movdbl(Address dst, XMMRegister src) { movsd(dst, src); }
 193 
 194   void flt_to_flt16(Register dst, XMMRegister src, XMMRegister tmp) {
 195     // Use separate tmp XMM register because caller may
 196     // requires src XMM register to be unchanged (as in x86.ad).
 197     vcvtps2ph(tmp, src, 0x04, Assembler::AVX_128bit);
 198     movdl(dst, tmp);
 199     movswl(dst, dst);
 200   }
 201 
 202   void flt16_to_flt(XMMRegister dst, Register src) {
 203     movdl(dst, src);
 204     vcvtph2ps(dst, dst, Assembler::AVX_128bit);
 205   }
 206 
 207   // Alignment
 208   void align32();
 209   void align64();
 210   void align(uint modulus);
 211   void align(uint modulus, uint target);
 212 
 213   void post_call_nop();
 214 
 215   // Stack frame creation/removal
 216   void enter();
 217   void leave();
 218 
 219   // Support for getting the JavaThread pointer (i.e.; a reference to thread-local information).
 220   // The pointer will be loaded into the thread register. This is a slow version that does native call.
 221   // Normally, JavaThread pointer is available in r15_thread, use that where possible.
 222   void get_thread_slow(Register thread);
 223 
 224   // Support for argument shuffling
 225 
 226   // bias in bytes
 227   void move32_64(VMRegPair src, VMRegPair dst, Register tmp = rax, int in_stk_bias = 0, int out_stk_bias = 0);
 228   void long_move(VMRegPair src, VMRegPair dst, Register tmp = rax, int in_stk_bias = 0, int out_stk_bias = 0);
 229   void float_move(VMRegPair src, VMRegPair dst, Register tmp = rax, int in_stk_bias = 0, int out_stk_bias = 0);
 230   void double_move(VMRegPair src, VMRegPair dst, Register tmp = rax, int in_stk_bias = 0, int out_stk_bias = 0);
 231   void move_ptr(VMRegPair src, VMRegPair dst);
 232   void object_move(OopMap* map,
 233                    int oop_handle_offset,
 234                    int framesize_in_slots,
 235                    VMRegPair src,
 236                    VMRegPair dst,
 237                    bool is_receiver,
 238                    int* receiver_offset);
 239 
 240   // Support for VM calls
 241   //
 242   // It is imperative that all calls into the VM are handled via the call_VM macros.
 243   // They make sure that the stack linkage is setup correctly. call_VM's correspond
 244   // to ENTRY/ENTRY_X entry points while call_VM_leaf's correspond to LEAF entry points.
 245 
 246 
 247   void call_VM(Register oop_result,
 248                address entry_point,
 249                bool check_exceptions = true);
 250   void call_VM(Register oop_result,
 251                address entry_point,
 252                Register arg_1,
 253                bool check_exceptions = true);
 254   void call_VM(Register oop_result,
 255                address entry_point,
 256                Register arg_1, Register arg_2,
 257                bool check_exceptions = true);
 258   void call_VM(Register oop_result,
 259                address entry_point,
 260                Register arg_1, Register arg_2, Register arg_3,
 261                bool check_exceptions = true);
 262 
 263   // Overloadings with last_Java_sp
 264   void call_VM(Register oop_result,
 265                Register last_java_sp,
 266                address entry_point,
 267                int number_of_arguments = 0,
 268                bool check_exceptions = true);
 269   void call_VM(Register oop_result,
 270                Register last_java_sp,
 271                address entry_point,
 272                Register arg_1, bool
 273                check_exceptions = true);
 274   void call_VM(Register oop_result,
 275                Register last_java_sp,
 276                address entry_point,
 277                Register arg_1, Register arg_2,
 278                bool check_exceptions = true);
 279   void call_VM(Register oop_result,
 280                Register last_java_sp,
 281                address entry_point,
 282                Register arg_1, Register arg_2, Register arg_3,
 283                bool check_exceptions = true);
 284 
 285   void get_vm_result_oop(Register oop_result);
 286   void get_vm_result_metadata(Register metadata_result);
 287 
 288   // These always tightly bind to MacroAssembler::call_VM_base
 289   // bypassing the virtual implementation
 290   void super_call_VM(Register oop_result, Register last_java_sp, address entry_point, int number_of_arguments = 0, bool check_exceptions = true);
 291   void super_call_VM(Register oop_result, Register last_java_sp, address entry_point, Register arg_1, bool check_exceptions = true);
 292   void super_call_VM(Register oop_result, Register last_java_sp, address entry_point, Register arg_1, Register arg_2, bool check_exceptions = true);
 293   void super_call_VM(Register oop_result, Register last_java_sp, address entry_point, Register arg_1, Register arg_2, Register arg_3, bool check_exceptions = true);
 294   void super_call_VM(Register oop_result, Register last_java_sp, address entry_point, Register arg_1, Register arg_2, Register arg_3, Register arg_4, bool check_exceptions = true);
 295 
 296   void call_VM_leaf0(address entry_point);
 297   void call_VM_leaf(address entry_point,
 298                     int number_of_arguments = 0);
 299   void call_VM_leaf(address entry_point,
 300                     Register arg_1);
 301   void call_VM_leaf(address entry_point,
 302                     Register arg_1, Register arg_2);
 303   void call_VM_leaf(address entry_point,
 304                     Register arg_1, Register arg_2, Register arg_3);
 305 
 306   void call_VM_leaf(address entry_point,
 307                     Register arg_1, Register arg_2, Register arg_3, Register arg_4);
 308 
 309   // These always tightly bind to MacroAssembler::call_VM_leaf_base
 310   // bypassing the virtual implementation
 311   void super_call_VM_leaf(address entry_point);
 312   void super_call_VM_leaf(address entry_point, Register arg_1);
 313   void super_call_VM_leaf(address entry_point, Register arg_1, Register arg_2);
 314   void super_call_VM_leaf(address entry_point, Register arg_1, Register arg_2, Register arg_3);
 315   void super_call_VM_leaf(address entry_point, Register arg_1, Register arg_2, Register arg_3, Register arg_4);
 316 
 317   void set_last_Java_frame(Register last_java_sp,
 318                            Register last_java_fp,
 319                            address  last_java_pc,
 320                            Register rscratch);
 321 
 322   void set_last_Java_frame(Register last_java_sp,
 323                            Register last_java_fp,
 324                            Label &last_java_pc,
 325                            Register scratch);
 326 
 327   void reset_last_Java_frame(bool clear_fp);
 328 
 329   // jobjects
 330   void clear_jobject_tag(Register possibly_non_local);
 331   void resolve_jobject(Register value, Register tmp);
 332   void resolve_global_jobject(Register value, Register tmp);
 333 
 334   // C 'boolean' to Java boolean: x == 0 ? 0 : 1
 335   void c2bool(Register x);
 336 
 337   // C++ bool manipulation
 338 
 339   void movbool(Register dst, Address src);
 340   void movbool(Address dst, bool boolconst);
 341   void movbool(Address dst, Register src);
 342   void testbool(Register dst);
 343 
 344   void resolve_oop_handle(Register result, Register tmp);
 345   void resolve_weak_handle(Register result, Register tmp);
 346   void load_mirror(Register mirror, Register method, Register tmp);
 347   void load_method_holder_cld(Register rresult, Register rmethod);
 348 
 349   void load_method_holder(Register holder, Register method);
 350 
 351   // oop manipulations
 352   void load_narrow_klass_compact(Register dst, Register src);
 353   void load_klass(Register dst, Register src, Register tmp);
 354   void store_klass(Register dst, Register src, Register tmp);
 355 
 356   // Compares the narrow Klass pointer of an object to a given narrow Klass.
 357   void cmp_klass(Register klass, Register obj, Register tmp);
 358 
 359   // Compares the Klass pointer of two objects obj1 and obj2. Result is in the condition flags.
 360   // Uses tmp1 and tmp2 as temporary registers.
 361   void cmp_klasses_from_objects(Register obj1, Register obj2, Register tmp1, Register tmp2);
 362 
 363   void access_load_at(BasicType type, DecoratorSet decorators, Register dst, Address src,
 364                       Register tmp1);
 365   void access_store_at(BasicType type, DecoratorSet decorators, Address dst, Register val,
 366                        Register tmp1, Register tmp2, Register tmp3);
 367 
 368   void load_heap_oop(Register dst, Address src, Register tmp1 = noreg, DecoratorSet decorators = 0);
 369   void load_heap_oop_not_null(Register dst, Address src, Register tmp1 = noreg, DecoratorSet decorators = 0);
 370   void store_heap_oop(Address dst, Register val, Register tmp1 = noreg,
 371                       Register tmp2 = noreg, Register tmp3 = noreg, DecoratorSet decorators = 0);
 372 
 373   // Used for storing null. All other oop constants should be
 374   // stored using routines that take a jobject.
 375   void store_heap_oop_null(Address dst);
 376 
 377   void store_klass_gap(Register dst, Register src);
 378 
 379   // This dummy is to prevent a call to store_heap_oop from
 380   // converting a zero (like null) into a Register by giving
 381   // the compiler two choices it can't resolve
 382 
 383   void store_heap_oop(Address dst, void* dummy);
 384 
 385   void encode_heap_oop(Register r);
 386   void decode_heap_oop(Register r);
 387   void encode_heap_oop_not_null(Register r);
 388   void decode_heap_oop_not_null(Register r);
 389   void encode_heap_oop_not_null(Register dst, Register src);
 390   void decode_heap_oop_not_null(Register dst, Register src);
 391 
 392   void set_narrow_oop(Register dst, jobject obj);
 393   void set_narrow_oop(Address dst, jobject obj);
 394   void cmp_narrow_oop(Register dst, jobject obj);
 395   void cmp_narrow_oop(Address dst, jobject obj);
 396 
 397   void encode_klass_not_null(Register r, Register tmp);
 398   void decode_klass_not_null(Register r, Register tmp);
 399   void encode_and_move_klass_not_null(Register dst, Register src);
 400   void decode_and_move_klass_not_null(Register dst, Register src);
 401   void set_narrow_klass(Register dst, Klass* k);
 402   void set_narrow_klass(Address dst, Klass* k);
 403   void cmp_narrow_klass(Register dst, Klass* k);
 404   void cmp_narrow_klass(Address dst, Klass* k);
 405 
 406   // if heap base register is used - reinit it with the correct value
 407   void reinit_heapbase();
 408 
 409   DEBUG_ONLY(void verify_heapbase(const char* msg);)
 410 
 411   // Int division/remainder for Java
 412   // (as idivl, but checks for special case as described in JVM spec.)
 413   // returns idivl instruction offset for implicit exception handling
 414   int corrected_idivl(Register reg);
 415 
 416   // Long division/remainder for Java
 417   // (as idivq, but checks for special case as described in JVM spec.)
 418   // returns idivq instruction offset for implicit exception handling
 419   int corrected_idivq(Register reg);
 420 
 421   void int3();
 422 
 423   // Long operation macros for a 32bit cpu
 424   // Long negation for Java
 425   void lneg(Register hi, Register lo);
 426 
 427   // Long multiplication for Java
 428   // (destroys contents of eax, ebx, ecx and edx)
 429   void lmul(int x_rsp_offset, int y_rsp_offset); // rdx:rax = x * y
 430 
 431   // Long shifts for Java
 432   // (semantics as described in JVM spec.)
 433   void lshl(Register hi, Register lo);                               // hi:lo << (rcx & 0x3f)
 434   void lshr(Register hi, Register lo, bool sign_extension = false);  // hi:lo >> (rcx & 0x3f)
 435 
 436   // Long compare for Java
 437   // (semantics as described in JVM spec.)
 438   void lcmp2int(Register x_hi, Register x_lo, Register y_hi, Register y_lo); // x_hi = lcmp(x, y)
 439 
 440 
 441   // misc
 442 
 443   // Sign extension
 444   void sign_extend_short(Register reg);
 445   void sign_extend_byte(Register reg);
 446 
 447   // Clean up a subword typed value to the representation in compliance with JVMS ยง2.3
 448   void narrow_subword_type(Register reg, BasicType bt);
 449 
 450   // Division by power of 2, rounding towards 0
 451   void division_with_shift(Register reg, int shift_value);
 452 
 453   // dst = c = a * b + c
 454   void fmad(XMMRegister dst, XMMRegister a, XMMRegister b, XMMRegister c);
 455   void fmaf(XMMRegister dst, XMMRegister a, XMMRegister b, XMMRegister c);
 456 
 457   void vfmad(XMMRegister dst, XMMRegister a, XMMRegister b, XMMRegister c, int vector_len);
 458   void vfmaf(XMMRegister dst, XMMRegister a, XMMRegister b, XMMRegister c, int vector_len);
 459   void vfmad(XMMRegister dst, XMMRegister a, Address b, XMMRegister c, int vector_len);
 460   void vfmaf(XMMRegister dst, XMMRegister a, Address b, XMMRegister c, int vector_len);
 461 
 462 
 463   // same as fcmp2int, but using SSE2
 464   void cmpss2int(XMMRegister opr1, XMMRegister opr2, Register dst, bool unordered_is_less);
 465   void cmpsd2int(XMMRegister opr1, XMMRegister opr2, Register dst, bool unordered_is_less);
 466 
 467   void push_IU_state();
 468   void pop_IU_state();
 469 
 470   void push_FPU_state();
 471   void pop_FPU_state();
 472 
 473   void push_CPU_state();
 474   void pop_CPU_state();
 475 
 476   void push_cont_fastpath();
 477   void pop_cont_fastpath();
 478 
 479   DEBUG_ONLY(void stop_if_in_cont(Register cont_reg, const char* name);)
 480 
 481   // Round up to a power of two
 482   void round_to(Register reg, int modulus);
 483 
 484 private:
 485   // General purpose and XMM registers potentially clobbered by native code; there
 486   // is no need for FPU or AVX opmask related methods because C1/interpreter
 487   // - we save/restore FPU state as a whole always
 488   // - do not care about AVX-512 opmask
 489   static RegSet call_clobbered_gp_registers();
 490   static XMMRegSet call_clobbered_xmm_registers();
 491 
 492   void push_set(XMMRegSet set, int offset);
 493   void pop_set(XMMRegSet set, int offset);
 494 
 495 public:
 496   void push_set(RegSet set, int offset = -1);
 497   void pop_set(RegSet set, int offset = -1);
 498 
 499   // Push and pop everything that might be clobbered by a native
 500   // runtime call.
 501   // Only save the lower 64 bits of each vector register.
 502   // Additional registers can be excluded in a passed RegSet.
 503   void push_call_clobbered_registers_except(RegSet exclude, bool save_fpu = true);
 504   void pop_call_clobbered_registers_except(RegSet exclude, bool restore_fpu = true);
 505 
 506   void push_call_clobbered_registers(bool save_fpu = true) {
 507     push_call_clobbered_registers_except(RegSet(), save_fpu);
 508   }
 509   void pop_call_clobbered_registers(bool restore_fpu = true) {
 510     pop_call_clobbered_registers_except(RegSet(), restore_fpu);
 511   }
 512 
 513   // allocation
 514   void tlab_allocate(
 515     Register obj,                      // result: pointer to object after successful allocation
 516     Register var_size_in_bytes,        // object size in bytes if unknown at compile time; invalid otherwise
 517     int      con_size_in_bytes,        // object size in bytes if   known at compile time
 518     Register t1,                       // temp register
 519     Register t2,                       // temp register
 520     Label&   slow_case                 // continuation point if fast allocation fails
 521   );
 522   void zero_memory(Register address, Register length_in_bytes, int offset_in_bytes, Register temp);
 523 
 524   void population_count(Register dst, Register src, Register scratch1, Register scratch2);
 525 
 526   // interface method calling
 527   void lookup_interface_method(Register recv_klass,
 528                                Register intf_klass,
 529                                RegisterOrConstant itable_index,
 530                                Register method_result,
 531                                Register scan_temp,
 532                                Label& no_such_interface,
 533                                bool return_method = true);
 534 
 535   void lookup_interface_method_stub(Register recv_klass,
 536                                     Register holder_klass,
 537                                     Register resolved_klass,
 538                                     Register method_result,
 539                                     Register scan_temp,
 540                                     Register temp_reg2,
 541                                     Register receiver,
 542                                     int itable_index,
 543                                     Label& L_no_such_interface);
 544 
 545   // virtual method calling
 546   void lookup_virtual_method(Register recv_klass,
 547                              RegisterOrConstant vtable_index,
 548                              Register method_result);
 549 
 550   // Test sub_klass against super_klass, with fast and slow paths.
 551 
 552   // The fast path produces a tri-state answer: yes / no / maybe-slow.
 553   // One of the three labels can be null, meaning take the fall-through.
 554   // If super_check_offset is -1, the value is loaded up from super_klass.
 555   // No registers are killed, except temp_reg.
 556   void check_klass_subtype_fast_path(Register sub_klass,
 557                                      Register super_klass,
 558                                      Register temp_reg,
 559                                      Label* L_success,
 560                                      Label* L_failure,
 561                                      Label* L_slow_path,
 562                 RegisterOrConstant super_check_offset = RegisterOrConstant(-1));
 563 
 564   // The rest of the type check; must be wired to a corresponding fast path.
 565   // It does not repeat the fast path logic, so don't use it standalone.
 566   // The temp_reg and temp2_reg can be noreg, if no temps are available.
 567   // Updates the sub's secondary super cache as necessary.
 568   // If set_cond_codes, condition codes will be Z on success, NZ on failure.
 569   void check_klass_subtype_slow_path(Register sub_klass,
 570                                      Register super_klass,
 571                                      Register temp_reg,
 572                                      Register temp2_reg,
 573                                      Label* L_success,
 574                                      Label* L_failure,
 575                                      bool set_cond_codes = false);
 576 
 577   // The 64-bit version, which may do a hashed subclass lookup.
 578   void check_klass_subtype_slow_path(Register sub_klass,
 579                                      Register super_klass,
 580                                      Register temp_reg,
 581                                      Register temp2_reg,
 582                                      Register temp3_reg,
 583                                      Register temp4_reg,
 584                                      Label* L_success,
 585                                      Label* L_failure);
 586 
 587   // Three parts of a hashed subclass lookup: a simple linear search,
 588   // a table lookup, and a fallback that does linear probing in the
 589   // event of a hash collision.
 590   void check_klass_subtype_slow_path_linear(Register sub_klass,
 591                                             Register super_klass,
 592                                             Register temp_reg,
 593                                             Register temp2_reg,
 594                                             Label* L_success,
 595                                             Label* L_failure,
 596                                             bool set_cond_codes = false);
 597   void check_klass_subtype_slow_path_table(Register sub_klass,
 598                                            Register super_klass,
 599                                            Register temp_reg,
 600                                            Register temp2_reg,
 601                                            Register temp3_reg,
 602                                            Register result_reg,
 603                                            Label* L_success,
 604                                            Label* L_failure);
 605   void hashed_check_klass_subtype_slow_path(Register sub_klass,
 606                                             Register super_klass,
 607                                             Register temp_reg,
 608                                             Label* L_success,
 609                                             Label* L_failure);
 610 
 611   // As above, but with a constant super_klass.
 612   // The result is in Register result, not the condition codes.
 613   void lookup_secondary_supers_table_const(Register sub_klass,
 614                                            Register super_klass,
 615                                            Register temp1,
 616                                            Register temp2,
 617                                            Register temp3,
 618                                            Register temp4,
 619                                            Register result,
 620                                            u1 super_klass_slot);
 621 
 622   using Assembler::salq;
 623   void salq(Register dest, Register count);
 624   using Assembler::rorq;
 625   void rorq(Register dest, Register count);
 626   void lookup_secondary_supers_table_var(Register sub_klass,
 627                                          Register super_klass,
 628                                          Register temp1,
 629                                          Register temp2,
 630                                          Register temp3,
 631                                          Register temp4,
 632                                          Register result);
 633 
 634   void lookup_secondary_supers_table_slow_path(Register r_super_klass,
 635                                                Register r_array_base,
 636                                                Register r_array_index,
 637                                                Register r_bitmap,
 638                                                Register temp1,
 639                                                Register temp2,
 640                                                Label* L_success,
 641                                                Label* L_failure = nullptr);
 642 
 643   void verify_secondary_supers_table(Register r_sub_klass,
 644                                      Register r_super_klass,
 645                                      Register expected,
 646                                      Register temp1,
 647                                      Register temp2,
 648                                      Register temp3);
 649 
 650   void repne_scanq(Register addr, Register value, Register count, Register limit,
 651                    Label* L_success,
 652                    Label* L_failure = nullptr);
 653 
 654   // If r is valid, return r.
 655   // If r is invalid, remove a register r2 from available_regs, add r2
 656   // to regs_to_push, then return r2.
 657   Register allocate_if_noreg(const Register r,
 658                              RegSetIterator<Register> &available_regs,
 659                              RegSet &regs_to_push);
 660 
 661   // Simplified, combined version, good for typical uses.
 662   // Falls through on failure.
 663   void check_klass_subtype(Register sub_klass,
 664                            Register super_klass,
 665                            Register temp_reg,
 666                            Label& L_success);
 667 
 668   void clinit_barrier(Register klass,
 669                       Label* L_fast_path = nullptr,
 670                       Label* L_slow_path = nullptr);
 671 
 672   // method handles (JSR 292)
 673   Address argument_address(RegisterOrConstant arg_slot, int extra_slot_offset = 0);
 674 
 675   void profile_receiver_type(Register recv, Register mdp, int mdp_offset);
 676 
 677   // Debugging
 678 
 679   // only if +VerifyOops
 680   void _verify_oop(Register reg, const char* s, const char* file, int line);
 681   void _verify_oop_addr(Address addr, const char* s, const char* file, int line);
 682 
 683   void _verify_oop_checked(Register reg, const char* s, const char* file, int line) {
 684     if (VerifyOops) {
 685       _verify_oop(reg, s, file, line);
 686     }
 687   }
 688   void _verify_oop_addr_checked(Address reg, const char* s, const char* file, int line) {
 689     if (VerifyOops) {
 690       _verify_oop_addr(reg, s, file, line);
 691     }
 692   }
 693 
 694   // TODO: verify method and klass metadata (compare against vptr?)
 695   void _verify_method_ptr(Register reg, const char * msg, const char * file, int line) {}
 696   void _verify_klass_ptr(Register reg, const char * msg, const char * file, int line){}
 697 
 698 #define verify_oop(reg) _verify_oop_checked(reg, "broken oop " #reg, __FILE__, __LINE__)
 699 #define verify_oop_msg(reg, msg) _verify_oop_checked(reg, "broken oop " #reg ", " #msg, __FILE__, __LINE__)
 700 #define verify_oop_addr(addr) _verify_oop_addr_checked(addr, "broken oop addr " #addr, __FILE__, __LINE__)
 701 #define verify_method_ptr(reg) _verify_method_ptr(reg, "broken method " #reg, __FILE__, __LINE__)
 702 #define verify_klass_ptr(reg) _verify_klass_ptr(reg, "broken klass " #reg, __FILE__, __LINE__)
 703 
 704   // Verify or restore cpu control state after JNI call
 705   void restore_cpu_control_state_after_jni(Register rscratch);
 706 
 707   // prints msg, dumps registers and stops execution
 708   void stop(const char* msg);
 709 
 710   // prints msg and continues
 711   void warn(const char* msg);
 712 
 713   // dumps registers and other state
 714   void print_state();
 715 
 716   static void debug32(int rdi, int rsi, int rbp, int rsp, int rbx, int rdx, int rcx, int rax, int eip, char* msg);
 717   static void debug64(char* msg, int64_t pc, int64_t regs[]);
 718   static void print_state32(int rdi, int rsi, int rbp, int rsp, int rbx, int rdx, int rcx, int rax, int eip);
 719   static void print_state64(int64_t pc, int64_t regs[]);
 720 
 721   void os_breakpoint();
 722 
 723   void untested()                                { stop("untested"); }
 724 
 725   void unimplemented(const char* what = "");
 726 
 727   void should_not_reach_here()                   { stop("should not reach here"); }
 728 
 729   void print_CPU_state();
 730 
 731   // Stack overflow checking
 732   void bang_stack_with_offset(int offset) {
 733     // stack grows down, caller passes positive offset
 734     assert(offset > 0, "must bang with negative offset");
 735     movl(Address(rsp, (-offset)), rax);
 736   }
 737 
 738   // Writes to stack successive pages until offset reached to check for
 739   // stack overflow + shadow pages.  Also, clobbers tmp
 740   void bang_stack_size(Register size, Register tmp);
 741 
 742   // Check for reserved stack access in method being exited (for JIT)
 743   void reserved_stack_check();
 744 
 745   void safepoint_poll(Label& slow_path, bool at_return, bool in_nmethod);
 746 
 747   void verify_tlab();
 748 
 749   static Condition negate_condition(Condition cond);
 750 
 751   // Instructions that use AddressLiteral operands. These instruction can handle 32bit/64bit
 752   // operands. In general the names are modified to avoid hiding the instruction in Assembler
 753   // so that we don't need to implement all the varieties in the Assembler with trivial wrappers
 754   // here in MacroAssembler. The major exception to this rule is call
 755 
 756   // Arithmetics
 757 
 758 
 759   void addptr(Address dst, int32_t src) { addq(dst, src); }
 760   void addptr(Address dst, Register src);
 761 
 762   void addptr(Register dst, Address src) { addq(dst, src); }
 763   void addptr(Register dst, int32_t src);
 764   void addptr(Register dst, Register src);
 765   void addptr(Register dst, RegisterOrConstant src) {
 766     if (src.is_constant()) addptr(dst, checked_cast<int>(src.as_constant()));
 767     else                   addptr(dst, src.as_register());
 768   }
 769 
 770   void andptr(Register dst, int32_t src);
 771   void andptr(Register src1, Register src2) { andq(src1, src2); }
 772 
 773   using Assembler::andq;
 774   void andq(Register dst, AddressLiteral src, Register rscratch = noreg);
 775 
 776   void cmp8(AddressLiteral src1, int imm, Register rscratch = noreg);
 777 
 778   // renamed to drag out the casting of address to int32_t/intptr_t
 779   void cmp32(Register src1, int32_t imm);
 780 
 781   void cmp32(AddressLiteral src1, int32_t imm, Register rscratch = noreg);
 782   // compare reg - mem, or reg - &mem
 783   void cmp32(Register src1, AddressLiteral src2, Register rscratch = noreg);
 784 
 785   void cmp32(Register src1, Address src2);
 786 
 787   void cmpoop(Register src1, Register src2);
 788   void cmpoop(Register src1, Address src2);
 789   void cmpoop(Register dst, jobject obj, Register rscratch);
 790 
 791   // NOTE src2 must be the lval. This is NOT an mem-mem compare
 792   void cmpptr(Address src1, AddressLiteral src2, Register rscratch);
 793 
 794   void cmpptr(Register src1, AddressLiteral src2, Register rscratch = noreg);
 795 
 796   void cmpptr(Register src1, Register src2) { cmpq(src1, src2); }
 797   void cmpptr(Register src1, Address src2) { cmpq(src1, src2); }
 798 
 799   void cmpptr(Register src1, int32_t src2) { cmpq(src1, src2); }
 800   void cmpptr(Address src1, int32_t src2) { cmpq(src1, src2); }
 801 
 802   // cmp64 to avoild hiding cmpq
 803   void cmp64(Register src1, AddressLiteral src, Register rscratch = noreg);
 804 
 805   void cmpxchgptr(Register reg, Address adr);
 806 
 807   void locked_cmpxchgptr(Register reg, AddressLiteral adr, Register rscratch = noreg);
 808 
 809   void imulptr(Register dst, Register src) { imulq(dst, src); }
 810   void imulptr(Register dst, Register src, int imm32) { imulq(dst, src, imm32); }
 811 
 812 
 813   void negptr(Register dst) { negq(dst); }
 814 
 815   void notptr(Register dst) { notq(dst); }
 816 
 817   void shlptr(Register dst, int32_t shift);
 818   void shlptr(Register dst) { shlq(dst); }
 819 
 820   void shrptr(Register dst, int32_t shift);
 821   void shrptr(Register dst) { shrq(dst); }
 822 
 823   void sarptr(Register dst) { sarq(dst); }
 824   void sarptr(Register dst, int32_t src) { sarq(dst, src); }
 825 
 826   void subptr(Address dst, int32_t src) { subq(dst, src); }
 827 
 828   void subptr(Register dst, Address src) { subq(dst, src); }
 829   void subptr(Register dst, int32_t src);
 830   // Force generation of a 4 byte immediate value even if it fits into 8bit
 831   void subptr_imm32(Register dst, int32_t src);
 832   void subptr(Register dst, Register src);
 833   void subptr(Register dst, RegisterOrConstant src) {
 834     if (src.is_constant()) subptr(dst, (int) src.as_constant());
 835     else                   subptr(dst,       src.as_register());
 836   }
 837 
 838   void sbbptr(Address dst, int32_t src) { sbbq(dst, src); }
 839   void sbbptr(Register dst, int32_t src) { sbbq(dst, src); }
 840 
 841   void xchgptr(Register src1, Register src2) { xchgq(src1, src2); }
 842   void xchgptr(Register src1, Address src2) { xchgq(src1, src2); }
 843 
 844   void xaddptr(Address src1, Register src2) { xaddq(src1, src2); }
 845 
 846 
 847 
 848   // Helper functions for statistics gathering.
 849   // Conditionally (atomically, on MPs) increments passed counter address, preserving condition codes.
 850   void cond_inc32(Condition cond, AddressLiteral counter_addr, Register rscratch = noreg);
 851   // Unconditional atomic increment.
 852   void atomic_incl(Address counter_addr);
 853   void atomic_incl(AddressLiteral counter_addr, Register rscratch = noreg);
 854   void atomic_incq(Address counter_addr);
 855   void atomic_incq(AddressLiteral counter_addr, Register rscratch = noreg);
 856   void atomic_incptr(AddressLiteral counter_addr, Register rscratch = noreg) { atomic_incq(counter_addr, rscratch); }
 857   void atomic_incptr(Address counter_addr) { atomic_incq(counter_addr); }
 858 
 859   using Assembler::lea;
 860   void lea(Register dst, AddressLiteral adr);
 861   void lea(Address  dst, AddressLiteral adr, Register rscratch);
 862 
 863   void leal32(Register dst, Address src) { leal(dst, src); }
 864 
 865   // Import other testl() methods from the parent class or else
 866   // they will be hidden by the following overriding declaration.
 867   using Assembler::testl;
 868   void testl(Address dst, int32_t imm32);
 869   void testl(Register dst, int32_t imm32);
 870   void testl(Register dst, AddressLiteral src); // requires reachable address
 871   using Assembler::testq;
 872   void testq(Address dst, int32_t imm32);
 873   void testq(Register dst, int32_t imm32);
 874 
 875   void orptr(Register dst, Address src) { orq(dst, src); }
 876   void orptr(Register dst, Register src) { orq(dst, src); }
 877   void orptr(Register dst, int32_t src) { orq(dst, src); }
 878   void orptr(Address dst, int32_t imm32) { orq(dst, imm32); }
 879 
 880   void testptr(Register src, int32_t imm32) { testq(src, imm32); }
 881   void testptr(Register src1, Address src2) { testq(src1, src2); }
 882   void testptr(Address src, int32_t imm32) { testq(src, imm32); }
 883   void testptr(Register src1, Register src2);
 884 
 885   void xorptr(Register dst, Register src) { xorq(dst, src); }
 886   void xorptr(Register dst, Address src) { xorq(dst, src); }
 887 
 888   // Calls
 889 
 890   void call(Label& L, relocInfo::relocType rtype);
 891   void call(Register entry);
 892   void call(Address addr) { Assembler::call(addr); }
 893 
 894   // NOTE: this call transfers to the effective address of entry NOT
 895   // the address contained by entry. This is because this is more natural
 896   // for jumps/calls.
 897   void call(AddressLiteral entry, Register rscratch = rax);
 898 
 899   // Emit the CompiledIC call idiom
 900   void ic_call(address entry, jint method_index = 0);
 901   static int ic_check_size();
 902   int ic_check(int end_alignment);
 903 
 904   void emit_static_call_stub();
 905 
 906   // Jumps
 907 
 908   // NOTE: these jumps transfer to the effective address of dst NOT
 909   // the address contained by dst. This is because this is more natural
 910   // for jumps/calls.
 911   void jump(AddressLiteral dst, Register rscratch = noreg);
 912 
 913   void jump_cc(Condition cc, AddressLiteral dst, Register rscratch = noreg);
 914 
 915   // 32bit can do a case table jump in one instruction but we no longer allow the base
 916   // to be installed in the Address class. This jump will transfer to the address
 917   // contained in the location described by entry (not the address of entry)
 918   void jump(ArrayAddress entry, Register rscratch);
 919 
 920   // Adding more natural conditional jump instructions
 921   void ALWAYSINLINE jo(Label& L, bool maybe_short = true) { jcc(Assembler::overflow, L, maybe_short); }
 922   void ALWAYSINLINE jno(Label& L, bool maybe_short = true) { jcc(Assembler::noOverflow, L, maybe_short); }
 923   void ALWAYSINLINE js(Label& L, bool maybe_short = true) { jcc(Assembler::negative, L, maybe_short); }
 924   void ALWAYSINLINE jns(Label& L, bool maybe_short = true) { jcc(Assembler::positive, L, maybe_short); }
 925   void ALWAYSINLINE je(Label& L, bool maybe_short = true) { jcc(Assembler::equal, L, maybe_short); }
 926   void ALWAYSINLINE jz(Label& L, bool maybe_short = true) { jcc(Assembler::zero, L, maybe_short); }
 927   void ALWAYSINLINE jne(Label& L, bool maybe_short = true) { jcc(Assembler::notEqual, L, maybe_short); }
 928   void ALWAYSINLINE jnz(Label& L, bool maybe_short = true) { jcc(Assembler::notZero, L, maybe_short); }
 929   void ALWAYSINLINE jb(Label& L, bool maybe_short = true) { jcc(Assembler::below, L, maybe_short); }
 930   void ALWAYSINLINE jnae(Label& L, bool maybe_short = true) { jcc(Assembler::below, L, maybe_short); }
 931   void ALWAYSINLINE jc(Label& L, bool maybe_short = true) { jcc(Assembler::carrySet, L, maybe_short); }
 932   void ALWAYSINLINE jnb(Label& L, bool maybe_short = true) { jcc(Assembler::aboveEqual, L, maybe_short); }
 933   void ALWAYSINLINE jae(Label& L, bool maybe_short = true) { jcc(Assembler::aboveEqual, L, maybe_short); }
 934   void ALWAYSINLINE jnc(Label& L, bool maybe_short = true) { jcc(Assembler::carryClear, L, maybe_short); }
 935   void ALWAYSINLINE jbe(Label& L, bool maybe_short = true) { jcc(Assembler::belowEqual, L, maybe_short); }
 936   void ALWAYSINLINE jna(Label& L, bool maybe_short = true) { jcc(Assembler::belowEqual, L, maybe_short); }
 937   void ALWAYSINLINE ja(Label& L, bool maybe_short = true) { jcc(Assembler::above, L, maybe_short); }
 938   void ALWAYSINLINE jnbe(Label& L, bool maybe_short = true) { jcc(Assembler::above, L, maybe_short); }
 939   void ALWAYSINLINE jl(Label& L, bool maybe_short = true) { jcc(Assembler::less, L, maybe_short); }
 940   void ALWAYSINLINE jnge(Label& L, bool maybe_short = true) { jcc(Assembler::less, L, maybe_short); }
 941   void ALWAYSINLINE jge(Label& L, bool maybe_short = true) { jcc(Assembler::greaterEqual, L, maybe_short); }
 942   void ALWAYSINLINE jnl(Label& L, bool maybe_short = true) { jcc(Assembler::greaterEqual, L, maybe_short); }
 943   void ALWAYSINLINE jle(Label& L, bool maybe_short = true) { jcc(Assembler::lessEqual, L, maybe_short); }
 944   void ALWAYSINLINE jng(Label& L, bool maybe_short = true) { jcc(Assembler::lessEqual, L, maybe_short); }
 945   void ALWAYSINLINE jg(Label& L, bool maybe_short = true) { jcc(Assembler::greater, L, maybe_short); }
 946   void ALWAYSINLINE jnle(Label& L, bool maybe_short = true) { jcc(Assembler::greater, L, maybe_short); }
 947   void ALWAYSINLINE jp(Label& L, bool maybe_short = true) { jcc(Assembler::parity, L, maybe_short); }
 948   void ALWAYSINLINE jpe(Label& L, bool maybe_short = true) { jcc(Assembler::parity, L, maybe_short); }
 949   void ALWAYSINLINE jnp(Label& L, bool maybe_short = true) { jcc(Assembler::noParity, L, maybe_short); }
 950   void ALWAYSINLINE jpo(Label& L, bool maybe_short = true) { jcc(Assembler::noParity, L, maybe_short); }
 951   // * No condition for this *  void ALWAYSINLINE jcxz(Label& L, bool maybe_short = true) { jcc(Assembler::cxz, L, maybe_short); }
 952   // * No condition for this *  void ALWAYSINLINE jecxz(Label& L, bool maybe_short = true) { jcc(Assembler::cxz, L, maybe_short); }
 953 
 954   // Short versions of the above
 955   void ALWAYSINLINE jo_b(Label& L) { jccb(Assembler::overflow, L); }
 956   void ALWAYSINLINE jno_b(Label& L) { jccb(Assembler::noOverflow, L); }
 957   void ALWAYSINLINE js_b(Label& L) { jccb(Assembler::negative, L); }
 958   void ALWAYSINLINE jns_b(Label& L) { jccb(Assembler::positive, L); }
 959   void ALWAYSINLINE je_b(Label& L) { jccb(Assembler::equal, L); }
 960   void ALWAYSINLINE jz_b(Label& L) { jccb(Assembler::zero, L); }
 961   void ALWAYSINLINE jne_b(Label& L) { jccb(Assembler::notEqual, L); }
 962   void ALWAYSINLINE jnz_b(Label& L) { jccb(Assembler::notZero, L); }
 963   void ALWAYSINLINE jb_b(Label& L) { jccb(Assembler::below, L); }
 964   void ALWAYSINLINE jnae_b(Label& L) { jccb(Assembler::below, L); }
 965   void ALWAYSINLINE jc_b(Label& L) { jccb(Assembler::carrySet, L); }
 966   void ALWAYSINLINE jnb_b(Label& L) { jccb(Assembler::aboveEqual, L); }
 967   void ALWAYSINLINE jae_b(Label& L) { jccb(Assembler::aboveEqual, L); }
 968   void ALWAYSINLINE jnc_b(Label& L) { jccb(Assembler::carryClear, L); }
 969   void ALWAYSINLINE jbe_b(Label& L) { jccb(Assembler::belowEqual, L); }
 970   void ALWAYSINLINE jna_b(Label& L) { jccb(Assembler::belowEqual, L); }
 971   void ALWAYSINLINE ja_b(Label& L) { jccb(Assembler::above, L); }
 972   void ALWAYSINLINE jnbe_b(Label& L) { jccb(Assembler::above, L); }
 973   void ALWAYSINLINE jl_b(Label& L) { jccb(Assembler::less, L); }
 974   void ALWAYSINLINE jnge_b(Label& L) { jccb(Assembler::less, L); }
 975   void ALWAYSINLINE jge_b(Label& L) { jccb(Assembler::greaterEqual, L); }
 976   void ALWAYSINLINE jnl_b(Label& L) { jccb(Assembler::greaterEqual, L); }
 977   void ALWAYSINLINE jle_b(Label& L) { jccb(Assembler::lessEqual, L); }
 978   void ALWAYSINLINE jng_b(Label& L) { jccb(Assembler::lessEqual, L); }
 979   void ALWAYSINLINE jg_b(Label& L) { jccb(Assembler::greater, L); }
 980   void ALWAYSINLINE jnle_b(Label& L) { jccb(Assembler::greater, L); }
 981   void ALWAYSINLINE jp_b(Label& L) { jccb(Assembler::parity, L); }
 982   void ALWAYSINLINE jpe_b(Label& L) { jccb(Assembler::parity, L); }
 983   void ALWAYSINLINE jnp_b(Label& L) { jccb(Assembler::noParity, L); }
 984   void ALWAYSINLINE jpo_b(Label& L) { jccb(Assembler::noParity, L); }
 985   // * No condition for this *  void ALWAYSINLINE jcxz_b(Label& L) { jccb(Assembler::cxz, L); }
 986   // * No condition for this *  void ALWAYSINLINE jecxz_b(Label& L) { jccb(Assembler::cxz, L); }
 987 
 988   // Floating
 989 
 990   void push_f(XMMRegister r);
 991   void pop_f(XMMRegister r);
 992   void push_d(XMMRegister r);
 993   void pop_d(XMMRegister r);
 994 
 995   void push_ppx(Register src);
 996   void pop_ppx(Register dst);
 997 
 998   void andpd(XMMRegister dst, XMMRegister    src) { Assembler::andpd(dst, src); }
 999   void andpd(XMMRegister dst, Address        src) { Assembler::andpd(dst, src); }
1000   void andpd(XMMRegister dst, AddressLiteral src, Register rscratch = noreg);
1001 
1002   void andnpd(XMMRegister dst, XMMRegister src) { Assembler::andnpd(dst, src); }
1003 
1004   void andps(XMMRegister dst, XMMRegister    src) { Assembler::andps(dst, src); }
1005   void andps(XMMRegister dst, Address        src) { Assembler::andps(dst, src); }
1006   void andps(XMMRegister dst, AddressLiteral src, Register rscratch = noreg);
1007 
1008   void comiss(XMMRegister dst, XMMRegister    src) { Assembler::comiss(dst, src); }
1009   void comiss(XMMRegister dst, Address        src) { Assembler::comiss(dst, src); }
1010   void comiss(XMMRegister dst, AddressLiteral src, Register rscratch = noreg);
1011 
1012   void comisd(XMMRegister dst, XMMRegister    src) { Assembler::comisd(dst, src); }
1013   void comisd(XMMRegister dst, Address        src) { Assembler::comisd(dst, src); }
1014   void comisd(XMMRegister dst, AddressLiteral src, Register rscratch = noreg);
1015 
1016   void orpd(XMMRegister dst, XMMRegister src) { Assembler::orpd(dst, src); }
1017 
1018   void cmp32_mxcsr_std(Address mxcsr_save, Register tmp, Register rscratch = noreg);
1019   void ldmxcsr(Address src) { Assembler::ldmxcsr(src); }
1020   void ldmxcsr(AddressLiteral src, Register rscratch = noreg);
1021 
1022  private:
1023   void sha256_AVX2_one_round_compute(
1024     Register  reg_old_h,
1025     Register  reg_a,
1026     Register  reg_b,
1027     Register  reg_c,
1028     Register  reg_d,
1029     Register  reg_e,
1030     Register  reg_f,
1031     Register  reg_g,
1032     Register  reg_h,
1033     int iter);
1034   void sha256_AVX2_four_rounds_compute_first(int start);
1035   void sha256_AVX2_four_rounds_compute_last(int start);
1036   void sha256_AVX2_one_round_and_sched(
1037         XMMRegister xmm_0,     /* == ymm4 on 0, 1, 2, 3 iterations, then rotate 4 registers left on 4, 8, 12 iterations */
1038         XMMRegister xmm_1,     /* ymm5 */  /* full cycle is 16 iterations */
1039         XMMRegister xmm_2,     /* ymm6 */
1040         XMMRegister xmm_3,     /* ymm7 */
1041         Register    reg_a,      /* == eax on 0 iteration, then rotate 8 register right on each next iteration */
1042         Register    reg_b,      /* ebx */    /* full cycle is 8 iterations */
1043         Register    reg_c,      /* edi */
1044         Register    reg_d,      /* esi */
1045         Register    reg_e,      /* r8d */
1046         Register    reg_f,      /* r9d */
1047         Register    reg_g,      /* r10d */
1048         Register    reg_h,      /* r11d */
1049         int iter);
1050 
1051   void addm(int disp, Register r1, Register r2);
1052 
1053   void sha512_AVX2_one_round_compute(Register old_h, Register a, Register b, Register c, Register d,
1054                                      Register e, Register f, Register g, Register h, int iteration);
1055 
1056   void sha512_AVX2_one_round_and_schedule(XMMRegister xmm4, XMMRegister xmm5, XMMRegister xmm6, XMMRegister xmm7,
1057                                           Register a, Register b, Register c, Register d, Register e, Register f,
1058                                           Register g, Register h, int iteration);
1059 
1060   void addmq(int disp, Register r1, Register r2);
1061  public:
1062   void sha256_AVX2(XMMRegister msg, XMMRegister state0, XMMRegister state1, XMMRegister msgtmp0,
1063                    XMMRegister msgtmp1, XMMRegister msgtmp2, XMMRegister msgtmp3, XMMRegister msgtmp4,
1064                    Register buf, Register state, Register ofs, Register limit, Register rsp,
1065                    bool multi_block, XMMRegister shuf_mask);
1066   void sha512_AVX2(XMMRegister msg, XMMRegister state0, XMMRegister state1, XMMRegister msgtmp0,
1067                    XMMRegister msgtmp1, XMMRegister msgtmp2, XMMRegister msgtmp3, XMMRegister msgtmp4,
1068                    Register buf, Register state, Register ofs, Register limit, Register rsp, bool multi_block,
1069                    XMMRegister shuf_mask);
1070   void sha512_update_ni_x1(Register arg_hash, Register arg_msg, Register ofs, Register limit, bool multi_block);
1071 
1072   void fast_md5(Register buf, Address state, Address ofs, Address limit,
1073                 bool multi_block);
1074 
1075   void fast_sha1(XMMRegister abcd, XMMRegister e0, XMMRegister e1, XMMRegister msg0,
1076                  XMMRegister msg1, XMMRegister msg2, XMMRegister msg3, XMMRegister shuf_mask,
1077                  Register buf, Register state, Register ofs, Register limit, Register rsp,
1078                  bool multi_block);
1079 
1080   void fast_sha256(XMMRegister msg, XMMRegister state0, XMMRegister state1, XMMRegister msgtmp0,
1081                    XMMRegister msgtmp1, XMMRegister msgtmp2, XMMRegister msgtmp3, XMMRegister msgtmp4,
1082                    Register buf, Register state, Register ofs, Register limit, Register rsp,
1083                    bool multi_block, XMMRegister shuf_mask);
1084 
1085   void fast_exp(XMMRegister xmm0, XMMRegister xmm1, XMMRegister xmm2, XMMRegister xmm3,
1086                 XMMRegister xmm4, XMMRegister xmm5, XMMRegister xmm6, XMMRegister xmm7,
1087                 Register rax, Register rcx, Register rdx, Register tmp);
1088 
1089 private:
1090 
1091   // these are private because users should be doing movflt/movdbl
1092 
1093   void movss(Address     dst, XMMRegister    src) { Assembler::movss(dst, src); }
1094   void movss(XMMRegister dst, XMMRegister    src) { Assembler::movss(dst, src); }
1095   void movss(XMMRegister dst, Address        src) { Assembler::movss(dst, src); }
1096   void movss(XMMRegister dst, AddressLiteral src, Register rscratch = noreg);
1097 
1098   void movlpd(XMMRegister dst, Address        src) {Assembler::movlpd(dst, src); }
1099   void movlpd(XMMRegister dst, AddressLiteral src, Register rscratch = noreg);
1100 
1101 public:
1102 
1103   void addsd(XMMRegister dst, XMMRegister    src) { Assembler::addsd(dst, src); }
1104   void addsd(XMMRegister dst, Address        src) { Assembler::addsd(dst, src); }
1105   void addsd(XMMRegister dst, AddressLiteral src, Register rscratch = noreg);
1106 
1107   void addss(XMMRegister dst, XMMRegister    src) { Assembler::addss(dst, src); }
1108   void addss(XMMRegister dst, Address        src) { Assembler::addss(dst, src); }
1109   void addss(XMMRegister dst, AddressLiteral src, Register rscratch = noreg);
1110 
1111   void addpd(XMMRegister dst, XMMRegister    src) { Assembler::addpd(dst, src); }
1112   void addpd(XMMRegister dst, Address        src) { Assembler::addpd(dst, src); }
1113   void addpd(XMMRegister dst, AddressLiteral src, Register rscratch = noreg);
1114 
1115   using Assembler::vbroadcasti128;
1116   void vbroadcasti128(XMMRegister dst, AddressLiteral src, int vector_len, Register rscratch = noreg);
1117 
1118   using Assembler::vbroadcastsd;
1119   void vbroadcastsd(XMMRegister dst, AddressLiteral src, int vector_len, Register rscratch = noreg);
1120 
1121   using Assembler::vbroadcastss;
1122   void vbroadcastss(XMMRegister dst, AddressLiteral src, int vector_len, Register rscratch = noreg);
1123 
1124   // Vector float blend
1125   void vblendvps(XMMRegister dst, XMMRegister nds, XMMRegister src, XMMRegister mask, int vector_len, bool compute_mask = true, XMMRegister scratch = xnoreg);
1126   void vblendvpd(XMMRegister dst, XMMRegister nds, XMMRegister src, XMMRegister mask, int vector_len, bool compute_mask = true, XMMRegister scratch = xnoreg);
1127 
1128   void divsd(XMMRegister dst, XMMRegister    src) { Assembler::divsd(dst, src); }
1129   void divsd(XMMRegister dst, Address        src) { Assembler::divsd(dst, src); }
1130   void divsd(XMMRegister dst, AddressLiteral src, Register rscratch = noreg);
1131 
1132   void divss(XMMRegister dst, XMMRegister    src) { Assembler::divss(dst, src); }
1133   void divss(XMMRegister dst, Address        src) { Assembler::divss(dst, src); }
1134   void divss(XMMRegister dst, AddressLiteral src, Register rscratch = noreg);
1135 
1136   // Move Unaligned Double Quadword
1137   void movdqu(Address     dst, XMMRegister    src);
1138   void movdqu(XMMRegister dst, XMMRegister    src);
1139   void movdqu(XMMRegister dst, Address        src);
1140   void movdqu(XMMRegister dst, AddressLiteral src, Register rscratch = noreg);
1141 
1142   void kmovwl(Register  dst, KRegister      src) { Assembler::kmovwl(dst, src); }
1143   void kmovwl(Address   dst, KRegister      src) { Assembler::kmovwl(dst, src); }
1144   void kmovwl(KRegister dst, KRegister      src) { Assembler::kmovwl(dst, src); }
1145   void kmovwl(KRegister dst, Register       src) { Assembler::kmovwl(dst, src); }
1146   void kmovwl(KRegister dst, Address        src) { Assembler::kmovwl(dst, src); }
1147   void kmovwl(KRegister dst, AddressLiteral src, Register rscratch = noreg);
1148 
1149   void kmovql(KRegister dst, KRegister      src) { Assembler::kmovql(dst, src); }
1150   void kmovql(KRegister dst, Register       src) { Assembler::kmovql(dst, src); }
1151   void kmovql(Register  dst, KRegister      src) { Assembler::kmovql(dst, src); }
1152   void kmovql(KRegister dst, Address        src) { Assembler::kmovql(dst, src); }
1153   void kmovql(Address   dst, KRegister      src) { Assembler::kmovql(dst, src); }
1154   void kmovql(KRegister dst, AddressLiteral src, Register rscratch = noreg);
1155 
1156   // Safe move operation, lowers down to 16bit moves for targets supporting
1157   // AVX512F feature and 64bit moves for targets supporting AVX512BW feature.
1158   void kmov(Address  dst, KRegister src);
1159   void kmov(KRegister dst, Address src);
1160   void kmov(KRegister dst, KRegister src);
1161   void kmov(Register dst, KRegister src);
1162   void kmov(KRegister dst, Register src);
1163 
1164   using Assembler::movddup;
1165   void movddup(XMMRegister dst, AddressLiteral src, Register rscratch = noreg);
1166 
1167   using Assembler::vmovddup;
1168   void vmovddup(XMMRegister dst, AddressLiteral src, int vector_len, Register rscratch = noreg);
1169 
1170   // AVX Unaligned forms
1171   void vmovdqu(Address     dst, XMMRegister    src);
1172   void vmovdqu(XMMRegister dst, Address        src);
1173   void vmovdqu(XMMRegister dst, XMMRegister    src);
1174   void vmovdqu(XMMRegister dst, AddressLiteral src,                 Register rscratch = noreg);
1175   void vmovdqu(XMMRegister dst, AddressLiteral src, int vector_len, Register rscratch = noreg);
1176   void vmovdqu(XMMRegister dst, XMMRegister    src, int vector_len);
1177   void vmovdqu(XMMRegister dst, Address        src, int vector_len);
1178   void vmovdqu(Address     dst, XMMRegister    src, int vector_len);
1179 
1180   // AVX Aligned forms
1181   using Assembler::vmovdqa;
1182   void vmovdqa(XMMRegister dst, AddressLiteral src,                 Register rscratch = noreg);
1183   void vmovdqa(XMMRegister dst, AddressLiteral src, int vector_len, Register rscratch = noreg);
1184   void vmovdqa(XMMRegister dst, Address        src, int vector_len);
1185   void vmovdqa(Address     dst, XMMRegister    src, int vector_len);
1186 
1187   // AVX512 Unaligned
1188   void evmovdqu(BasicType type, KRegister kmask, Address     dst, XMMRegister src, bool merge, int vector_len);
1189   void evmovdqu(BasicType type, KRegister kmask, XMMRegister dst, Address     src, bool merge, int vector_len);
1190   void evmovdqu(BasicType type, KRegister kmask, XMMRegister dst, XMMRegister src, bool merge, int vector_len);
1191 
1192   void evmovdqub(XMMRegister dst, XMMRegister src, int vector_len) { Assembler::evmovdqub(dst, src, vector_len); }
1193   void evmovdqub(XMMRegister dst, Address     src, int vector_len) { Assembler::evmovdqub(dst, src, vector_len); }
1194 
1195   void evmovdqub(XMMRegister dst, KRegister mask, XMMRegister src, bool merge, int vector_len) {
1196     if (dst->encoding() != src->encoding() || mask != k0)  {
1197       Assembler::evmovdqub(dst, mask, src, merge, vector_len);
1198     }
1199   }
1200   void evmovdqub(Address     dst, KRegister mask, XMMRegister    src, bool merge, int vector_len) { Assembler::evmovdqub(dst, mask, src, merge, vector_len); }
1201   void evmovdqub(XMMRegister dst, KRegister mask, Address        src, bool merge, int vector_len) { Assembler::evmovdqub(dst, mask, src, merge, vector_len); }
1202   void evmovdqub(XMMRegister dst, KRegister mask, AddressLiteral src, bool merge, int vector_len, Register rscratch = noreg);
1203 
1204   void evmovdquw(XMMRegister dst, XMMRegister src, int vector_len) { Assembler::evmovdquw(dst, src, vector_len); }
1205   void evmovdquw(Address     dst, XMMRegister src, int vector_len) { Assembler::evmovdquw(dst, src, vector_len); }
1206   void evmovdquw(XMMRegister dst, Address     src, int vector_len) { Assembler::evmovdquw(dst, src, vector_len); }
1207 
1208   void evmovdquw(XMMRegister dst, KRegister mask, XMMRegister src, bool merge, int vector_len) {
1209     if (dst->encoding() != src->encoding() || mask != k0) {
1210       Assembler::evmovdquw(dst, mask, src, merge, vector_len);
1211     }
1212   }
1213   void evmovdquw(XMMRegister dst, KRegister mask, Address        src, bool merge, int vector_len) { Assembler::evmovdquw(dst, mask, src, merge, vector_len); }
1214   void evmovdquw(Address     dst, KRegister mask, XMMRegister    src, bool merge, int vector_len) { Assembler::evmovdquw(dst, mask, src, merge, vector_len); }
1215   void evmovdquw(XMMRegister dst, KRegister mask, AddressLiteral src, bool merge, int vector_len, Register rscratch = noreg);
1216 
1217   void evmovdqul(XMMRegister dst, XMMRegister src, int vector_len) {
1218      if (dst->encoding() != src->encoding()) {
1219        Assembler::evmovdqul(dst, src, vector_len);
1220      }
1221   }
1222   void evmovdqul(Address     dst, XMMRegister src, int vector_len) { Assembler::evmovdqul(dst, src, vector_len); }
1223   void evmovdqul(XMMRegister dst, Address     src, int vector_len) { Assembler::evmovdqul(dst, src, vector_len); }
1224 
1225   void evmovdqul(XMMRegister dst, KRegister mask, XMMRegister src, bool merge, int vector_len) {
1226     if (dst->encoding() != src->encoding() || mask != k0)  {
1227       Assembler::evmovdqul(dst, mask, src, merge, vector_len);
1228     }
1229   }
1230   void evmovdqul(Address     dst, KRegister mask, XMMRegister    src, bool merge, int vector_len) { Assembler::evmovdqul(dst, mask, src, merge, vector_len); }
1231   void evmovdqul(XMMRegister dst, KRegister mask, Address        src, bool merge, int vector_len) { Assembler::evmovdqul(dst, mask, src, merge, vector_len); }
1232   void evmovdqul(XMMRegister dst, KRegister mask, AddressLiteral src, bool merge, int vector_len, Register rscratch = noreg);
1233 
1234   void evmovdquq(XMMRegister dst, XMMRegister src, int vector_len) {
1235     if (dst->encoding() != src->encoding()) {
1236       Assembler::evmovdquq(dst, src, vector_len);
1237     }
1238   }
1239   void evmovdquq(XMMRegister dst, Address        src, int vector_len) { Assembler::evmovdquq(dst, src, vector_len); }
1240   void evmovdquq(Address     dst, XMMRegister    src, int vector_len) { Assembler::evmovdquq(dst, src, vector_len); }
1241   void evmovdquq(XMMRegister dst, AddressLiteral src, int vector_len, Register rscratch = noreg);
1242   void evmovdqaq(XMMRegister dst, AddressLiteral src, int vector_len, Register rscratch = noreg);
1243 
1244   void evmovdquq(XMMRegister dst, KRegister mask, XMMRegister src, bool merge, int vector_len) {
1245     if (dst->encoding() != src->encoding() || mask != k0) {
1246       Assembler::evmovdquq(dst, mask, src, merge, vector_len);
1247     }
1248   }
1249   void evmovdquq(Address     dst, KRegister mask, XMMRegister    src, bool merge, int vector_len) { Assembler::evmovdquq(dst, mask, src, merge, vector_len); }
1250   void evmovdquq(XMMRegister dst, KRegister mask, Address        src, bool merge, int vector_len) { Assembler::evmovdquq(dst, mask, src, merge, vector_len); }
1251   void evmovdquq(XMMRegister dst, KRegister mask, AddressLiteral src, bool merge, int vector_len, Register rscratch = noreg);
1252   void evmovdqaq(XMMRegister dst, KRegister mask, AddressLiteral src, bool merge, int vector_len, Register rscratch = noreg);
1253 
1254   using Assembler::movapd;
1255   void movapd(XMMRegister dst, AddressLiteral src, Register rscratch = noreg);
1256 
1257   // Move Aligned Double Quadword
1258   void movdqa(XMMRegister dst, XMMRegister    src) { Assembler::movdqa(dst, src); }
1259   void movdqa(XMMRegister dst, Address        src) { Assembler::movdqa(dst, src); }
1260   void movdqa(XMMRegister dst, AddressLiteral src, Register rscratch = noreg);
1261 
1262   void movsd(Address     dst, XMMRegister    src) { Assembler::movsd(dst, src); }
1263   void movsd(XMMRegister dst, XMMRegister    src) { Assembler::movsd(dst, src); }
1264   void movsd(XMMRegister dst, Address        src) { Assembler::movsd(dst, src); }
1265   void movsd(XMMRegister dst, AddressLiteral src, Register rscratch = noreg);
1266 
1267   void mulpd(XMMRegister dst, XMMRegister    src) { Assembler::mulpd(dst, src); }
1268   void mulpd(XMMRegister dst, Address        src) { Assembler::mulpd(dst, src); }
1269   void mulpd(XMMRegister dst, AddressLiteral src, Register rscratch = noreg);
1270 
1271   void mulsd(XMMRegister dst, XMMRegister    src) { Assembler::mulsd(dst, src); }
1272   void mulsd(XMMRegister dst, Address        src) { Assembler::mulsd(dst, src); }
1273   void mulsd(XMMRegister dst, AddressLiteral src, Register rscratch = noreg);
1274 
1275   void mulss(XMMRegister dst, XMMRegister    src) { Assembler::mulss(dst, src); }
1276   void mulss(XMMRegister dst, Address        src) { Assembler::mulss(dst, src); }
1277   void mulss(XMMRegister dst, AddressLiteral src, Register rscratch = noreg);
1278 
1279   // Carry-Less Multiplication Quadword
1280   void pclmulldq(XMMRegister dst, XMMRegister src) {
1281     // 0x00 - multiply lower 64 bits [0:63]
1282     Assembler::pclmulqdq(dst, src, 0x00);
1283   }
1284   void pclmulhdq(XMMRegister dst, XMMRegister src) {
1285     // 0x11 - multiply upper 64 bits [64:127]
1286     Assembler::pclmulqdq(dst, src, 0x11);
1287   }
1288 
1289   void pcmpeqb(XMMRegister dst, XMMRegister src);
1290   void pcmpeqw(XMMRegister dst, XMMRegister src);
1291 
1292   void pcmpestri(XMMRegister dst, Address src, int imm8);
1293   void pcmpestri(XMMRegister dst, XMMRegister src, int imm8);
1294 
1295   void pmovzxbw(XMMRegister dst, XMMRegister src);
1296   void pmovzxbw(XMMRegister dst, Address src);
1297 
1298   void pmovmskb(Register dst, XMMRegister src);
1299 
1300   void ptest(XMMRegister dst, XMMRegister src);
1301 
1302   void roundsd(XMMRegister dst, XMMRegister    src, int32_t rmode) { Assembler::roundsd(dst, src, rmode); }
1303   void roundsd(XMMRegister dst, Address        src, int32_t rmode) { Assembler::roundsd(dst, src, rmode); }
1304   void roundsd(XMMRegister dst, AddressLiteral src, int32_t rmode, Register rscratch = noreg);
1305 
1306   void sqrtss(XMMRegister dst, XMMRegister     src) { Assembler::sqrtss(dst, src); }
1307   void sqrtss(XMMRegister dst, Address         src) { Assembler::sqrtss(dst, src); }
1308   void sqrtss(XMMRegister dst, AddressLiteral  src, Register rscratch = noreg);
1309 
1310   void subsd(XMMRegister dst, XMMRegister    src) { Assembler::subsd(dst, src); }
1311   void subsd(XMMRegister dst, Address        src) { Assembler::subsd(dst, src); }
1312   void subsd(XMMRegister dst, AddressLiteral src, Register rscratch = noreg);
1313 
1314   void subss(XMMRegister dst, XMMRegister    src) { Assembler::subss(dst, src); }
1315   void subss(XMMRegister dst, Address        src) { Assembler::subss(dst, src); }
1316   void subss(XMMRegister dst, AddressLiteral src, Register rscratch = noreg);
1317 
1318   void evucomish(XMMRegister dst, XMMRegister    src) { Assembler::evucomish(dst, src); }
1319   void evucomish(XMMRegister dst, Address        src) { Assembler::evucomish(dst, src); }
1320   void evucomish(XMMRegister dst, AddressLiteral src, Register rscratch = noreg);
1321 
1322   void evucomxsh(XMMRegister dst, XMMRegister    src) { Assembler::evucomxsh(dst, src); }
1323   void evucomxsh(XMMRegister dst, Address        src) { Assembler::evucomxsh(dst, src); }
1324   void evucomxsh(XMMRegister dst, AddressLiteral src, Register rscratch = noreg);
1325 
1326   void ucomiss(XMMRegister dst, XMMRegister    src) { Assembler::ucomiss(dst, src); }
1327   void ucomiss(XMMRegister dst, Address        src) { Assembler::ucomiss(dst, src); }
1328   void ucomiss(XMMRegister dst, AddressLiteral src, Register rscratch = noreg);
1329 
1330   void evucomxss(XMMRegister dst, XMMRegister    src) { Assembler::evucomxss(dst, src); }
1331   void evucomxss(XMMRegister dst, Address        src) { Assembler::evucomxss(dst, src); }
1332   void evucomxss(XMMRegister dst, AddressLiteral src, Register rscratch = noreg);
1333 
1334   void ucomisd(XMMRegister dst, XMMRegister    src) { Assembler::ucomisd(dst, src); }
1335   void ucomisd(XMMRegister dst, Address        src) { Assembler::ucomisd(dst, src); }
1336   void ucomisd(XMMRegister dst, AddressLiteral src, Register rscratch = noreg);
1337 
1338   void evucomxsd(XMMRegister dst, XMMRegister    src) { Assembler::evucomxsd(dst, src); }
1339   void evucomxsd(XMMRegister dst, Address        src) { Assembler::evucomxsd(dst, src); }
1340   void evucomxsd(XMMRegister dst, AddressLiteral src, Register rscratch = noreg);
1341 
1342   // Bitwise Logical XOR of Packed Double-Precision Floating-Point Values
1343   void xorpd(XMMRegister dst, XMMRegister    src);
1344   void xorpd(XMMRegister dst, Address        src) { Assembler::xorpd(dst, src); }
1345   void xorpd(XMMRegister dst, AddressLiteral src, Register rscratch = noreg);
1346 
1347   // Bitwise Logical XOR of Packed Single-Precision Floating-Point Values
1348   void xorps(XMMRegister dst, XMMRegister    src);
1349   void xorps(XMMRegister dst, Address        src) { Assembler::xorps(dst, src); }
1350   void xorps(XMMRegister dst, AddressLiteral src, Register rscratch = noreg);
1351 
1352   // Shuffle Bytes
1353   void pshufb(XMMRegister dst, XMMRegister    src) { Assembler::pshufb(dst, src); }
1354   void pshufb(XMMRegister dst, Address        src) { Assembler::pshufb(dst, src); }
1355   void pshufb(XMMRegister dst, AddressLiteral src, Register rscratch = noreg);
1356   // AVX 3-operands instructions
1357 
1358   void vaddsd(XMMRegister dst, XMMRegister nds, XMMRegister    src) { Assembler::vaddsd(dst, nds, src); }
1359   void vaddsd(XMMRegister dst, XMMRegister nds, Address        src) { Assembler::vaddsd(dst, nds, src); }
1360   void vaddsd(XMMRegister dst, XMMRegister nds, AddressLiteral src, Register rscratch = noreg);
1361 
1362   void vaddss(XMMRegister dst, XMMRegister nds, XMMRegister    src) { Assembler::vaddss(dst, nds, src); }
1363   void vaddss(XMMRegister dst, XMMRegister nds, Address        src) { Assembler::vaddss(dst, nds, src); }
1364   void vaddss(XMMRegister dst, XMMRegister nds, AddressLiteral src, Register rscratch = noreg);
1365 
1366   void vabsss(XMMRegister dst, XMMRegister nds, XMMRegister src, AddressLiteral negate_field, int vector_len, Register rscratch = noreg);
1367   void vabssd(XMMRegister dst, XMMRegister nds, XMMRegister src, AddressLiteral negate_field, int vector_len, Register rscratch = noreg);
1368 
1369   void vpaddb(XMMRegister dst, XMMRegister nds, XMMRegister    src, int vector_len);
1370   void vpaddb(XMMRegister dst, XMMRegister nds, Address        src, int vector_len);
1371   void vpaddb(XMMRegister dst, XMMRegister nds, AddressLiteral src, int vector_len, Register rscratch = noreg);
1372 
1373   void vpaddw(XMMRegister dst, XMMRegister nds, XMMRegister src, int vector_len);
1374   void vpaddw(XMMRegister dst, XMMRegister nds, Address     src, int vector_len);
1375 
1376   void vpaddd(XMMRegister dst, XMMRegister nds, XMMRegister    src, int vector_len) { Assembler::vpaddd(dst, nds, src, vector_len); }
1377   void vpaddd(XMMRegister dst, XMMRegister nds, Address        src, int vector_len) { Assembler::vpaddd(dst, nds, src, vector_len); }
1378   void vpaddd(XMMRegister dst, XMMRegister nds, AddressLiteral src, int vector_len, Register rscratch = noreg);
1379 
1380   void vpand(XMMRegister dst, XMMRegister nds, XMMRegister    src, int vector_len) { Assembler::vpand(dst, nds, src, vector_len); }
1381   void vpand(XMMRegister dst, XMMRegister nds, Address        src, int vector_len) { Assembler::vpand(dst, nds, src, vector_len); }
1382   void vpand(XMMRegister dst, XMMRegister nds, AddressLiteral src, int vector_len, Register rscratch = noreg);
1383 
1384   using Assembler::vpbroadcastd;
1385   void vpbroadcastd(XMMRegister dst, AddressLiteral src, int vector_len, Register rscratch = noreg);
1386 
1387   using Assembler::vpbroadcastq;
1388   void vpbroadcastq(XMMRegister dst, AddressLiteral src, int vector_len, Register rscratch = noreg);
1389 
1390   void vpcmpeqb(XMMRegister dst, XMMRegister nds, XMMRegister src, int vector_len);
1391   void vpcmpeqb(XMMRegister dst, XMMRegister src1, Address src2, int vector_len);
1392 
1393   void vpcmpeqw(XMMRegister dst, XMMRegister nds, Address src, int vector_len);
1394   void vpcmpeqw(XMMRegister dst, XMMRegister nds, XMMRegister src, int vector_len);
1395   using Assembler::evpcmpeqd;
1396   void evpcmpeqd(KRegister kdst, KRegister mask, XMMRegister nds, AddressLiteral src, int vector_len, Register rscratch = noreg);
1397 
1398   // Vector compares
1399   void evpcmpd(KRegister kdst, KRegister mask, XMMRegister nds, XMMRegister    src, int comparison, bool is_signed, int vector_len) {
1400     Assembler::evpcmpd(kdst, mask, nds, src, comparison, is_signed, vector_len);
1401   }
1402   void evpcmpd(KRegister kdst, KRegister mask, XMMRegister nds, AddressLiteral src, int comparison, bool is_signed, int vector_len, Register rscratch = noreg);
1403 
1404   void evpcmpq(KRegister kdst, KRegister mask, XMMRegister nds, XMMRegister    src, int comparison, bool is_signed, int vector_len) {
1405     Assembler::evpcmpq(kdst, mask, nds, src, comparison, is_signed, vector_len);
1406   }
1407   void evpcmpq(KRegister kdst, KRegister mask, XMMRegister nds, AddressLiteral src, int comparison, bool is_signed, int vector_len, Register rscratch = noreg);
1408 
1409   void evpcmpb(KRegister kdst, KRegister mask, XMMRegister nds, XMMRegister    src, int comparison, bool is_signed, int vector_len) {
1410     Assembler::evpcmpb(kdst, mask, nds, src, comparison, is_signed, vector_len);
1411   }
1412   void evpcmpb(KRegister kdst, KRegister mask, XMMRegister nds, AddressLiteral src, int comparison, bool is_signed, int vector_len, Register rscratch = noreg);
1413 
1414   void evpcmpw(KRegister kdst, KRegister mask, XMMRegister nds, XMMRegister    src, int comparison, bool is_signed, int vector_len) {
1415     Assembler::evpcmpw(kdst, mask, nds, src, comparison, is_signed, vector_len);
1416   }
1417   void evpcmpw(KRegister kdst, KRegister mask, XMMRegister nds, AddressLiteral src, int comparison, bool is_signed, int vector_len, Register rscratch = noreg);
1418 
1419   void evpbroadcast(BasicType type, XMMRegister dst, Register src, int vector_len);
1420 
1421   // Emit comparison instruction for the specified comparison predicate.
1422   void vpcmpCCW(XMMRegister dst, XMMRegister nds, XMMRegister src, XMMRegister xtmp, ComparisonPredicate cond, Width width, int vector_len);
1423   void vpcmpCC(XMMRegister dst, XMMRegister nds, XMMRegister src, int cond_encoding, Width width, int vector_len);
1424 
1425   void vpmovzxbw(XMMRegister dst, Address     src, int vector_len);
1426   void vpmovzxbw(XMMRegister dst, XMMRegister src, int vector_len) { Assembler::vpmovzxbw(dst, src, vector_len); }
1427 
1428   void vpmovmskb(Register dst, XMMRegister src, int vector_len = Assembler::AVX_256bit);
1429 
1430   void vpmullw(XMMRegister dst, XMMRegister nds, XMMRegister src, int vector_len);
1431   void vpmullw(XMMRegister dst, XMMRegister nds, Address     src, int vector_len);
1432 
1433   void vpmulld(XMMRegister dst, XMMRegister nds, XMMRegister    src, int vector_len) { Assembler::vpmulld(dst, nds, src, vector_len); }
1434   void vpmulld(XMMRegister dst, XMMRegister nds, Address        src, int vector_len) { Assembler::vpmulld(dst, nds, src, vector_len); }
1435   void vpmulld(XMMRegister dst, XMMRegister nds, AddressLiteral src, int vector_len, Register rscratch = noreg);
1436 
1437   void vpmuldq(XMMRegister dst, XMMRegister nds, XMMRegister    src, int vector_len) { Assembler::vpmuldq(dst, nds, src, vector_len); }
1438 
1439   void vpsubb(XMMRegister dst, XMMRegister nds, XMMRegister src, int vector_len);
1440   void vpsubb(XMMRegister dst, XMMRegister nds, Address     src, int vector_len);
1441 
1442   void vpsubw(XMMRegister dst, XMMRegister nds, XMMRegister src, int vector_len);
1443   void vpsubw(XMMRegister dst, XMMRegister nds, Address     src, int vector_len);
1444 
1445   void vpsraw(XMMRegister dst, XMMRegister nds, XMMRegister shift, int vector_len);
1446   void vpsraw(XMMRegister dst, XMMRegister nds, int         shift, int vector_len);
1447 
1448   void evpsrad(XMMRegister dst, XMMRegister nds, XMMRegister shift, int vector_len);
1449   void evpsrad(XMMRegister dst, XMMRegister nds, int         shift, int vector_len);
1450 
1451   void evpsraq(XMMRegister dst, XMMRegister nds, XMMRegister shift, int vector_len);
1452   void evpsraq(XMMRegister dst, XMMRegister nds, int         shift, int vector_len);
1453 
1454   using Assembler::evpsllw;
1455   void evpsllw(XMMRegister dst, KRegister mask, XMMRegister nds, XMMRegister src, bool merge, int vector_len, bool is_varshift) {
1456     if (!is_varshift) {
1457       Assembler::evpsllw(dst, mask, nds, src, merge, vector_len);
1458     } else {
1459       Assembler::evpsllvw(dst, mask, nds, src, merge, vector_len);
1460     }
1461   }
1462   void evpslld(XMMRegister dst, KRegister mask, XMMRegister nds, XMMRegister src, bool merge, int vector_len, bool is_varshift) {
1463     if (!is_varshift) {
1464       Assembler::evpslld(dst, mask, nds, src, merge, vector_len);
1465     } else {
1466       Assembler::evpsllvd(dst, mask, nds, src, merge, vector_len);
1467     }
1468   }
1469   void evpsllq(XMMRegister dst, KRegister mask, XMMRegister nds, XMMRegister src, bool merge, int vector_len, bool is_varshift) {
1470     if (!is_varshift) {
1471       Assembler::evpsllq(dst, mask, nds, src, merge, vector_len);
1472     } else {
1473       Assembler::evpsllvq(dst, mask, nds, src, merge, vector_len);
1474     }
1475   }
1476   void evpsrlw(XMMRegister dst, KRegister mask, XMMRegister nds, XMMRegister src, bool merge, int vector_len, bool is_varshift) {
1477     if (!is_varshift) {
1478       Assembler::evpsrlw(dst, mask, nds, src, merge, vector_len);
1479     } else {
1480       Assembler::evpsrlvw(dst, mask, nds, src, merge, vector_len);
1481     }
1482   }
1483   void evpsrld(XMMRegister dst, KRegister mask, XMMRegister nds, XMMRegister src, bool merge, int vector_len, bool is_varshift) {
1484     if (!is_varshift) {
1485       Assembler::evpsrld(dst, mask, nds, src, merge, vector_len);
1486     } else {
1487       Assembler::evpsrlvd(dst, mask, nds, src, merge, vector_len);
1488     }
1489   }
1490 
1491   using Assembler::evpsrlq;
1492   void evpsrlq(XMMRegister dst, KRegister mask, XMMRegister nds, XMMRegister src, bool merge, int vector_len, bool is_varshift) {
1493     if (!is_varshift) {
1494       Assembler::evpsrlq(dst, mask, nds, src, merge, vector_len);
1495     } else {
1496       Assembler::evpsrlvq(dst, mask, nds, src, merge, vector_len);
1497     }
1498   }
1499   using Assembler::evpsraw;
1500   void evpsraw(XMMRegister dst, KRegister mask, XMMRegister nds, XMMRegister src, bool merge, int vector_len, bool is_varshift) {
1501     if (!is_varshift) {
1502       Assembler::evpsraw(dst, mask, nds, src, merge, vector_len);
1503     } else {
1504       Assembler::evpsravw(dst, mask, nds, src, merge, vector_len);
1505     }
1506   }
1507   using Assembler::evpsrad;
1508   void evpsrad(XMMRegister dst, KRegister mask, XMMRegister nds, XMMRegister src, bool merge, int vector_len, bool is_varshift) {
1509     if (!is_varshift) {
1510       Assembler::evpsrad(dst, mask, nds, src, merge, vector_len);
1511     } else {
1512       Assembler::evpsravd(dst, mask, nds, src, merge, vector_len);
1513     }
1514   }
1515   using Assembler::evpsraq;
1516   void evpsraq(XMMRegister dst, KRegister mask, XMMRegister nds, XMMRegister src, bool merge, int vector_len, bool is_varshift) {
1517     if (!is_varshift) {
1518       Assembler::evpsraq(dst, mask, nds, src, merge, vector_len);
1519     } else {
1520       Assembler::evpsravq(dst, mask, nds, src, merge, vector_len);
1521     }
1522   }
1523 
1524   void evpmins(BasicType type, XMMRegister dst, KRegister mask, XMMRegister nds, XMMRegister src, bool merge, int vector_len);
1525   void evpmaxs(BasicType type, XMMRegister dst, KRegister mask, XMMRegister nds, XMMRegister src, bool merge, int vector_len);
1526   void evpmins(BasicType type, XMMRegister dst, KRegister mask, XMMRegister nds, Address src, bool merge, int vector_len);
1527   void evpmaxs(BasicType type, XMMRegister dst, KRegister mask, XMMRegister nds, Address src, bool merge, int vector_len);
1528 
1529   void evpminu(BasicType type, XMMRegister dst, KRegister mask, XMMRegister nds, XMMRegister src, bool merge, int vector_len);
1530   void evpmaxu(BasicType type, XMMRegister dst, KRegister mask, XMMRegister nds, XMMRegister src, bool merge, int vector_len);
1531   void evpminu(BasicType type, XMMRegister dst, KRegister mask, XMMRegister nds, Address src, bool merge, int vector_len);
1532   void evpmaxu(BasicType type, XMMRegister dst, KRegister mask, XMMRegister nds, Address src, bool merge, int vector_len);
1533 
1534   void vpsrlw(XMMRegister dst, XMMRegister nds, XMMRegister shift, int vector_len);
1535   void vpsrlw(XMMRegister dst, XMMRegister nds, int shift, int vector_len);
1536 
1537   void vpsllw(XMMRegister dst, XMMRegister nds, XMMRegister shift, int vector_len);
1538   void vpsllw(XMMRegister dst, XMMRegister nds, int shift, int vector_len);
1539 
1540   void vptest(XMMRegister dst, XMMRegister src);
1541   void vptest(XMMRegister dst, XMMRegister src, int vector_len) { Assembler::vptest(dst, src, vector_len); }
1542 
1543   void punpcklbw(XMMRegister dst, XMMRegister src);
1544   void punpcklbw(XMMRegister dst, Address src) { Assembler::punpcklbw(dst, src); }
1545 
1546   void pshufd(XMMRegister dst, Address src, int mode);
1547   void pshufd(XMMRegister dst, XMMRegister src, int mode) { Assembler::pshufd(dst, src, mode); }
1548 
1549   void pshuflw(XMMRegister dst, XMMRegister src, int mode);
1550   void pshuflw(XMMRegister dst, Address src, int mode) { Assembler::pshuflw(dst, src, mode); }
1551 
1552   void vandpd(XMMRegister dst, XMMRegister nds, XMMRegister    src, int vector_len) { Assembler::vandpd(dst, nds, src, vector_len); }
1553   void vandpd(XMMRegister dst, XMMRegister nds, Address        src, int vector_len) { Assembler::vandpd(dst, nds, src, vector_len); }
1554   void vandpd(XMMRegister dst, XMMRegister nds, AddressLiteral src, int vector_len, Register rscratch = noreg);
1555 
1556   void vandps(XMMRegister dst, XMMRegister nds, XMMRegister    src, int vector_len) { Assembler::vandps(dst, nds, src, vector_len); }
1557   void vandps(XMMRegister dst, XMMRegister nds, Address        src, int vector_len) { Assembler::vandps(dst, nds, src, vector_len); }
1558   void vandps(XMMRegister dst, XMMRegister nds, AddressLiteral src, int vector_len, Register rscratch = noreg);
1559 
1560   void evpord(XMMRegister dst, KRegister mask, XMMRegister nds, AddressLiteral src, bool merge, int vector_len, Register rscratch = noreg);
1561 
1562   void vdivsd(XMMRegister dst, XMMRegister nds, XMMRegister    src) { Assembler::vdivsd(dst, nds, src); }
1563   void vdivsd(XMMRegister dst, XMMRegister nds, Address        src) { Assembler::vdivsd(dst, nds, src); }
1564   void vdivsd(XMMRegister dst, XMMRegister nds, AddressLiteral src, Register rscratch = noreg);
1565 
1566   void vdivss(XMMRegister dst, XMMRegister nds, XMMRegister    src) { Assembler::vdivss(dst, nds, src); }
1567   void vdivss(XMMRegister dst, XMMRegister nds, Address        src) { Assembler::vdivss(dst, nds, src); }
1568   void vdivss(XMMRegister dst, XMMRegister nds, AddressLiteral src, Register rscratch = noreg);
1569 
1570   void vmulsd(XMMRegister dst, XMMRegister nds, XMMRegister    src) { Assembler::vmulsd(dst, nds, src); }
1571   void vmulsd(XMMRegister dst, XMMRegister nds, Address        src) { Assembler::vmulsd(dst, nds, src); }
1572   void vmulsd(XMMRegister dst, XMMRegister nds, AddressLiteral src, Register rscratch = noreg);
1573 
1574   void vmulss(XMMRegister dst, XMMRegister nds, XMMRegister    src) { Assembler::vmulss(dst, nds, src); }
1575   void vmulss(XMMRegister dst, XMMRegister nds, Address        src) { Assembler::vmulss(dst, nds, src); }
1576   void vmulss(XMMRegister dst, XMMRegister nds, AddressLiteral src, Register rscratch = noreg);
1577 
1578   void vsubsd(XMMRegister dst, XMMRegister nds, XMMRegister    src) { Assembler::vsubsd(dst, nds, src); }
1579   void vsubsd(XMMRegister dst, XMMRegister nds, Address        src) { Assembler::vsubsd(dst, nds, src); }
1580   void vsubsd(XMMRegister dst, XMMRegister nds, AddressLiteral src, Register rscratch = noreg);
1581 
1582   void vsubss(XMMRegister dst, XMMRegister nds, XMMRegister    src) { Assembler::vsubss(dst, nds, src); }
1583   void vsubss(XMMRegister dst, XMMRegister nds, Address        src) { Assembler::vsubss(dst, nds, src); }
1584   void vsubss(XMMRegister dst, XMMRegister nds, AddressLiteral src, Register rscratch = noreg);
1585 
1586   void vnegatess(XMMRegister dst, XMMRegister nds, AddressLiteral src, Register rscratch = noreg);
1587   void vnegatesd(XMMRegister dst, XMMRegister nds, AddressLiteral src, Register rscratch = noreg);
1588 
1589   // AVX Vector instructions
1590 
1591   void vxorpd(XMMRegister dst, XMMRegister nds, XMMRegister    src, int vector_len) { Assembler::vxorpd(dst, nds, src, vector_len); }
1592   void vxorpd(XMMRegister dst, XMMRegister nds, Address        src, int vector_len) { Assembler::vxorpd(dst, nds, src, vector_len); }
1593   void vxorpd(XMMRegister dst, XMMRegister nds, AddressLiteral src, int vector_len, Register rscratch = noreg);
1594 
1595   void vxorps(XMMRegister dst, XMMRegister nds, XMMRegister    src, int vector_len) { Assembler::vxorps(dst, nds, src, vector_len); }
1596   void vxorps(XMMRegister dst, XMMRegister nds, Address        src, int vector_len) { Assembler::vxorps(dst, nds, src, vector_len); }
1597   void vxorps(XMMRegister dst, XMMRegister nds, AddressLiteral src, int vector_len, Register rscratch = noreg);
1598 
1599   void vpxor(XMMRegister dst, XMMRegister nds, XMMRegister src, int vector_len) {
1600     if (UseAVX > 1 || (vector_len < 1)) // vpxor 256 bit is available only in AVX2
1601       Assembler::vpxor(dst, nds, src, vector_len);
1602     else
1603       Assembler::vxorpd(dst, nds, src, vector_len);
1604   }
1605   void vpxor(XMMRegister dst, XMMRegister nds, Address src, int vector_len) {
1606     if (UseAVX > 1 || (vector_len < 1)) // vpxor 256 bit is available only in AVX2
1607       Assembler::vpxor(dst, nds, src, vector_len);
1608     else
1609       Assembler::vxorpd(dst, nds, src, vector_len);
1610   }
1611   void vpxor(XMMRegister dst, XMMRegister nds, AddressLiteral src, int vector_len, Register rscratch = noreg);
1612 
1613   // Simple version for AVX2 256bit vectors
1614   void vpxor(XMMRegister dst, XMMRegister src) {
1615     assert(UseAVX >= 2, "Should be at least AVX2");
1616     Assembler::vpxor(dst, dst, src, AVX_256bit);
1617   }
1618   void vpxor(XMMRegister dst, Address src) {
1619     assert(UseAVX >= 2, "Should be at least AVX2");
1620     Assembler::vpxor(dst, dst, src, AVX_256bit);
1621   }
1622 
1623   void vpermd(XMMRegister dst, XMMRegister nds, XMMRegister    src, int vector_len) { Assembler::vpermd(dst, nds, src, vector_len); }
1624   void vpermd(XMMRegister dst, XMMRegister nds, AddressLiteral src, int vector_len, Register rscratch = noreg);
1625 
1626   void vinserti128(XMMRegister dst, XMMRegister nds, XMMRegister src, uint8_t imm8) {
1627     if (UseAVX > 2 && VM_Version::supports_avx512novl()) {
1628       Assembler::vinserti32x4(dst, nds, src, imm8);
1629     } else if (UseAVX > 1) {
1630       // vinserti128 is available only in AVX2
1631       Assembler::vinserti128(dst, nds, src, imm8);
1632     } else {
1633       Assembler::vinsertf128(dst, nds, src, imm8);
1634     }
1635   }
1636 
1637   void vinserti128(XMMRegister dst, XMMRegister nds, Address src, uint8_t imm8) {
1638     if (UseAVX > 2 && VM_Version::supports_avx512novl()) {
1639       Assembler::vinserti32x4(dst, nds, src, imm8);
1640     } else if (UseAVX > 1) {
1641       // vinserti128 is available only in AVX2
1642       Assembler::vinserti128(dst, nds, src, imm8);
1643     } else {
1644       Assembler::vinsertf128(dst, nds, src, imm8);
1645     }
1646   }
1647 
1648   void vextracti128(XMMRegister dst, XMMRegister src, uint8_t imm8) {
1649     if (UseAVX > 2 && VM_Version::supports_avx512novl()) {
1650       Assembler::vextracti32x4(dst, src, imm8);
1651     } else if (UseAVX > 1) {
1652       // vextracti128 is available only in AVX2
1653       Assembler::vextracti128(dst, src, imm8);
1654     } else {
1655       Assembler::vextractf128(dst, src, imm8);
1656     }
1657   }
1658 
1659   void vextracti128(Address dst, XMMRegister src, uint8_t imm8) {
1660     if (UseAVX > 2 && VM_Version::supports_avx512novl()) {
1661       Assembler::vextracti32x4(dst, src, imm8);
1662     } else if (UseAVX > 1) {
1663       // vextracti128 is available only in AVX2
1664       Assembler::vextracti128(dst, src, imm8);
1665     } else {
1666       Assembler::vextractf128(dst, src, imm8);
1667     }
1668   }
1669 
1670   // 128bit copy to/from high 128 bits of 256bit (YMM) vector registers
1671   void vinserti128_high(XMMRegister dst, XMMRegister src) {
1672     vinserti128(dst, dst, src, 1);
1673   }
1674   void vinserti128_high(XMMRegister dst, Address src) {
1675     vinserti128(dst, dst, src, 1);
1676   }
1677   void vextracti128_high(XMMRegister dst, XMMRegister src) {
1678     vextracti128(dst, src, 1);
1679   }
1680   void vextracti128_high(Address dst, XMMRegister src) {
1681     vextracti128(dst, src, 1);
1682   }
1683 
1684   void vinsertf128_high(XMMRegister dst, XMMRegister src) {
1685     if (UseAVX > 2 && VM_Version::supports_avx512novl()) {
1686       Assembler::vinsertf32x4(dst, dst, src, 1);
1687     } else {
1688       Assembler::vinsertf128(dst, dst, src, 1);
1689     }
1690   }
1691 
1692   void vinsertf128_high(XMMRegister dst, Address src) {
1693     if (UseAVX > 2 && VM_Version::supports_avx512novl()) {
1694       Assembler::vinsertf32x4(dst, dst, src, 1);
1695     } else {
1696       Assembler::vinsertf128(dst, dst, src, 1);
1697     }
1698   }
1699 
1700   void vextractf128_high(XMMRegister dst, XMMRegister src) {
1701     if (UseAVX > 2 && VM_Version::supports_avx512novl()) {
1702       Assembler::vextractf32x4(dst, src, 1);
1703     } else {
1704       Assembler::vextractf128(dst, src, 1);
1705     }
1706   }
1707 
1708   void vextractf128_high(Address dst, XMMRegister src) {
1709     if (UseAVX > 2 && VM_Version::supports_avx512novl()) {
1710       Assembler::vextractf32x4(dst, src, 1);
1711     } else {
1712       Assembler::vextractf128(dst, src, 1);
1713     }
1714   }
1715 
1716   // 256bit copy to/from high 256 bits of 512bit (ZMM) vector registers
1717   void vinserti64x4_high(XMMRegister dst, XMMRegister src) {
1718     Assembler::vinserti64x4(dst, dst, src, 1);
1719   }
1720   void vinsertf64x4_high(XMMRegister dst, XMMRegister src) {
1721     Assembler::vinsertf64x4(dst, dst, src, 1);
1722   }
1723   void vextracti64x4_high(XMMRegister dst, XMMRegister src) {
1724     Assembler::vextracti64x4(dst, src, 1);
1725   }
1726   void vextractf64x4_high(XMMRegister dst, XMMRegister src) {
1727     Assembler::vextractf64x4(dst, src, 1);
1728   }
1729   void vextractf64x4_high(Address dst, XMMRegister src) {
1730     Assembler::vextractf64x4(dst, src, 1);
1731   }
1732   void vinsertf64x4_high(XMMRegister dst, Address src) {
1733     Assembler::vinsertf64x4(dst, dst, src, 1);
1734   }
1735 
1736   // 128bit copy to/from low 128 bits of 256bit (YMM) vector registers
1737   void vinserti128_low(XMMRegister dst, XMMRegister src) {
1738     vinserti128(dst, dst, src, 0);
1739   }
1740   void vinserti128_low(XMMRegister dst, Address src) {
1741     vinserti128(dst, dst, src, 0);
1742   }
1743   void vextracti128_low(XMMRegister dst, XMMRegister src) {
1744     vextracti128(dst, src, 0);
1745   }
1746   void vextracti128_low(Address dst, XMMRegister src) {
1747     vextracti128(dst, src, 0);
1748   }
1749 
1750   void vinsertf128_low(XMMRegister dst, XMMRegister src) {
1751     if (UseAVX > 2 && VM_Version::supports_avx512novl()) {
1752       Assembler::vinsertf32x4(dst, dst, src, 0);
1753     } else {
1754       Assembler::vinsertf128(dst, dst, src, 0);
1755     }
1756   }
1757 
1758   void vinsertf128_low(XMMRegister dst, Address src) {
1759     if (UseAVX > 2 && VM_Version::supports_avx512novl()) {
1760       Assembler::vinsertf32x4(dst, dst, src, 0);
1761     } else {
1762       Assembler::vinsertf128(dst, dst, src, 0);
1763     }
1764   }
1765 
1766   void vextractf128_low(XMMRegister dst, XMMRegister src) {
1767     if (UseAVX > 2 && VM_Version::supports_avx512novl()) {
1768       Assembler::vextractf32x4(dst, src, 0);
1769     } else {
1770       Assembler::vextractf128(dst, src, 0);
1771     }
1772   }
1773 
1774   void vextractf128_low(Address dst, XMMRegister src) {
1775     if (UseAVX > 2 && VM_Version::supports_avx512novl()) {
1776       Assembler::vextractf32x4(dst, src, 0);
1777     } else {
1778       Assembler::vextractf128(dst, src, 0);
1779     }
1780   }
1781 
1782   // 256bit copy to/from low 256 bits of 512bit (ZMM) vector registers
1783   void vinserti64x4_low(XMMRegister dst, XMMRegister src) {
1784     Assembler::vinserti64x4(dst, dst, src, 0);
1785   }
1786   void vinsertf64x4_low(XMMRegister dst, XMMRegister src) {
1787     Assembler::vinsertf64x4(dst, dst, src, 0);
1788   }
1789   void vextracti64x4_low(XMMRegister dst, XMMRegister src) {
1790     Assembler::vextracti64x4(dst, src, 0);
1791   }
1792   void vextractf64x4_low(XMMRegister dst, XMMRegister src) {
1793     Assembler::vextractf64x4(dst, src, 0);
1794   }
1795   void vextractf64x4_low(Address dst, XMMRegister src) {
1796     Assembler::vextractf64x4(dst, src, 0);
1797   }
1798   void vinsertf64x4_low(XMMRegister dst, Address src) {
1799     Assembler::vinsertf64x4(dst, dst, src, 0);
1800   }
1801 
1802   // Carry-Less Multiplication Quadword
1803   void vpclmulldq(XMMRegister dst, XMMRegister nds, XMMRegister src) {
1804     // 0x00 - multiply lower 64 bits [0:63]
1805     Assembler::vpclmulqdq(dst, nds, src, 0x00);
1806   }
1807   void vpclmulhdq(XMMRegister dst, XMMRegister nds, XMMRegister src) {
1808     // 0x11 - multiply upper 64 bits [64:127]
1809     Assembler::vpclmulqdq(dst, nds, src, 0x11);
1810   }
1811   void vpclmullqhqdq(XMMRegister dst, XMMRegister nds, XMMRegister src) {
1812     // 0x10 - multiply nds[0:63] and src[64:127]
1813     Assembler::vpclmulqdq(dst, nds, src, 0x10);
1814   }
1815   void vpclmulhqlqdq(XMMRegister dst, XMMRegister nds, XMMRegister src) {
1816     //0x01 - multiply nds[64:127] and src[0:63]
1817     Assembler::vpclmulqdq(dst, nds, src, 0x01);
1818   }
1819 
1820   void evpclmulldq(XMMRegister dst, XMMRegister nds, XMMRegister src, int vector_len) {
1821     // 0x00 - multiply lower 64 bits [0:63]
1822     Assembler::evpclmulqdq(dst, nds, src, 0x00, vector_len);
1823   }
1824   void evpclmulhdq(XMMRegister dst, XMMRegister nds, XMMRegister src, int vector_len) {
1825     // 0x11 - multiply upper 64 bits [64:127]
1826     Assembler::evpclmulqdq(dst, nds, src, 0x11, vector_len);
1827   }
1828 
1829   // AVX-512 mask operations.
1830   void kand(BasicType etype, KRegister dst, KRegister src1, KRegister src2);
1831   void kor(BasicType type, KRegister dst, KRegister src1, KRegister src2);
1832   void knot(uint masklen, KRegister dst, KRegister src, KRegister ktmp = knoreg, Register rtmp = noreg);
1833   void kxor(BasicType type, KRegister dst, KRegister src1, KRegister src2);
1834   void kortest(uint masklen, KRegister src1, KRegister src2);
1835   void ktest(uint masklen, KRegister src1, KRegister src2);
1836 
1837   void evperm(BasicType type, XMMRegister dst, KRegister mask, XMMRegister nds, XMMRegister src, bool merge, int vector_len);
1838   void evperm(BasicType type, XMMRegister dst, KRegister mask, XMMRegister nds, Address src, bool merge, int vector_len);
1839 
1840   void evor(BasicType type, XMMRegister dst, KRegister mask, XMMRegister nds, XMMRegister src, bool merge, int vector_len);
1841   void evor(BasicType type, XMMRegister dst, KRegister mask, XMMRegister nds, Address src, bool merge, int vector_len);
1842 
1843   void evand(BasicType type, XMMRegister dst, KRegister mask, XMMRegister nds, XMMRegister src, bool merge, int vector_len);
1844   void evand(BasicType type, XMMRegister dst, KRegister mask, XMMRegister nds, Address src, bool merge, int vector_len);
1845 
1846   void evxor(BasicType type, XMMRegister dst, KRegister mask, XMMRegister nds, XMMRegister src, bool merge, int vector_len);
1847   void evxor(BasicType type, XMMRegister dst, KRegister mask, XMMRegister nds, Address src, bool merge, int vector_len);
1848 
1849   void evrold(BasicType type, XMMRegister dst, KRegister mask, XMMRegister src, int shift, bool merge, int vlen_enc);
1850   void evrold(BasicType type, XMMRegister dst, KRegister mask, XMMRegister src1, XMMRegister src2, bool merge, int vlen_enc);
1851   void evrord(BasicType type, XMMRegister dst, KRegister mask, XMMRegister src, int shift, bool merge, int vlen_enc);
1852   void evrord(BasicType type, XMMRegister dst, KRegister mask, XMMRegister src1, XMMRegister src2, bool merge, int vlen_enc);
1853 
1854   using Assembler::evpandq;
1855   void evpandq(XMMRegister dst, XMMRegister nds, AddressLiteral src, int vector_len, Register rscratch = noreg);
1856 
1857   using Assembler::evpaddq;
1858   void evpaddq(XMMRegister dst, KRegister mask, XMMRegister nds, AddressLiteral src, bool merge, int vector_len, Register rscratch = noreg);
1859 
1860   using Assembler::evporq;
1861   void evporq(XMMRegister dst, XMMRegister nds, AddressLiteral src, int vector_len, Register rscratch = noreg);
1862 
1863   using Assembler::vpshufb;
1864   void vpshufb(XMMRegister dst, XMMRegister nds, AddressLiteral src, int vector_len, Register rscratch = noreg);
1865 
1866   using Assembler::vpor;
1867   void vpor(XMMRegister dst, XMMRegister nds, AddressLiteral src, int vector_len, Register rscratch = noreg);
1868 
1869   using Assembler::vpternlogq;
1870   void vpternlogq(XMMRegister dst, int imm8, XMMRegister src2, AddressLiteral src3, int vector_len, Register rscratch = noreg);
1871 
1872   void cmov32( Condition cc, Register dst, Address  src);
1873   void cmov32( Condition cc, Register dst, Register src);
1874 
1875   void cmov(   Condition cc, Register dst, Register src) { cmovptr(cc, dst, src); }
1876 
1877   void cmovptr(Condition cc, Register dst, Address  src) { cmovq(cc, dst, src); }
1878   void cmovptr(Condition cc, Register dst, Register src) { cmovq(cc, dst, src); }
1879 
1880   void movoop(Register dst, jobject obj);
1881   void movoop(Address  dst, jobject obj, Register rscratch);
1882 
1883   void mov_metadata(Register dst, Metadata* obj);
1884   void mov_metadata(Address  dst, Metadata* obj, Register rscratch);
1885 
1886   void mov64(Register dst, int64_t imm64);
1887   void mov64(Register dst, int64_t imm64, relocInfo::relocType rtype, int format);
1888 
1889   void movptr(Register     dst, Register       src);
1890   void movptr(Register     dst, Address        src);
1891   void movptr(Register     dst, AddressLiteral src);
1892   void movptr(Register     dst, ArrayAddress   src);
1893   void movptr(Register     dst, intptr_t       src);
1894   void movptr(Address      dst, Register       src);
1895   void movptr(Address      dst, int32_t        imm);
1896   void movptr(Address      dst, intptr_t       src, Register rscratch);
1897   void movptr(ArrayAddress dst, Register       src, Register rscratch);
1898 
1899   void movptr(Register dst, RegisterOrConstant src) {
1900     if (src.is_constant()) movptr(dst, src.as_constant());
1901     else                   movptr(dst, src.as_register());
1902   }
1903 
1904 
1905   // to avoid hiding movl
1906   void mov32(Register       dst, AddressLiteral src);
1907   void mov32(AddressLiteral dst, Register        src, Register rscratch = noreg);
1908 
1909   // Import other mov() methods from the parent class or else
1910   // they will be hidden by the following overriding declaration.
1911   using Assembler::movdl;
1912   void movdl(XMMRegister dst, AddressLiteral src, Register rscratch = noreg);
1913 
1914   using Assembler::movq;
1915   void movq(XMMRegister dst, AddressLiteral src, Register rscratch = noreg);
1916 
1917   // Can push value or effective address
1918   void pushptr(AddressLiteral src, Register rscratch);
1919 
1920   void pushptr(Address src) { pushq(src); }
1921   void popptr(Address src) { popq(src); }
1922 
1923   void pushoop(jobject obj, Register rscratch);
1924   void pushklass(Metadata* obj, Register rscratch);
1925 
1926   // sign extend as need a l to ptr sized element
1927   void movl2ptr(Register dst, Address src) { movslq(dst, src); }
1928   void movl2ptr(Register dst, Register src) { movslq(dst, src); }
1929 
1930 
1931  public:
1932   // clear memory of size 'cnt' qwords, starting at 'base';
1933   // if 'is_large' is set, do not try to produce short loop
1934   void clear_mem(Register base, Register cnt, Register rtmp, XMMRegister xtmp, bool is_large, KRegister mask=knoreg);
1935 
1936   // clear memory initialization sequence for constant size;
1937   void clear_mem(Register base, int cnt, Register rtmp, XMMRegister xtmp, KRegister mask=knoreg);
1938 
1939   // clear memory of size 'cnt' qwords, starting at 'base' using XMM/YMM registers
1940   void xmm_clear_mem(Register base, Register cnt, Register rtmp, XMMRegister xtmp, KRegister mask=knoreg);
1941 
1942   // Fill primitive arrays
1943   void generate_fill(BasicType t, bool aligned,
1944                      Register to, Register value, Register count,
1945                      Register rtmp, XMMRegister xtmp);
1946 
1947   void encode_iso_array(Register src, Register dst, Register len,
1948                         XMMRegister tmp1, XMMRegister tmp2, XMMRegister tmp3,
1949                         XMMRegister tmp4, Register tmp5, Register result, bool ascii);
1950 
1951   void add2_with_carry(Register dest_hi, Register dest_lo, Register src1, Register src2);
1952   void multiply_64_x_64_loop(Register x, Register xstart, Register x_xstart,
1953                              Register y, Register y_idx, Register z,
1954                              Register carry, Register product,
1955                              Register idx, Register kdx);
1956   void multiply_add_128_x_128(Register x_xstart, Register y, Register z,
1957                               Register yz_idx, Register idx,
1958                               Register carry, Register product, int offset);
1959   void multiply_128_x_128_bmi2_loop(Register y, Register z,
1960                                     Register carry, Register carry2,
1961                                     Register idx, Register jdx,
1962                                     Register yz_idx1, Register yz_idx2,
1963                                     Register tmp, Register tmp3, Register tmp4);
1964   void multiply_128_x_128_loop(Register x_xstart, Register y, Register z,
1965                                Register yz_idx, Register idx, Register jdx,
1966                                Register carry, Register product,
1967                                Register carry2);
1968   void multiply_to_len(Register x, Register xlen, Register y, Register ylen, Register z, Register tmp0,
1969                        Register tmp1, Register tmp2, Register tmp3, Register tmp4, Register tmp5);
1970   void square_rshift(Register x, Register len, Register z, Register tmp1, Register tmp3,
1971                      Register tmp4, Register tmp5, Register rdxReg, Register raxReg);
1972   void multiply_add_64_bmi2(Register sum, Register op1, Register op2, Register carry,
1973                             Register tmp2);
1974   void multiply_add_64(Register sum, Register op1, Register op2, Register carry,
1975                        Register rdxReg, Register raxReg);
1976   void add_one_64(Register z, Register zlen, Register carry, Register tmp1);
1977   void lshift_by_1(Register x, Register len, Register z, Register zlen, Register tmp1, Register tmp2,
1978                        Register tmp3, Register tmp4);
1979   void square_to_len(Register x, Register len, Register z, Register zlen, Register tmp1, Register tmp2,
1980                      Register tmp3, Register tmp4, Register tmp5, Register rdxReg, Register raxReg);
1981 
1982   void mul_add_128_x_32_loop(Register out, Register in, Register offset, Register len, Register tmp1,
1983                Register tmp2, Register tmp3, Register tmp4, Register tmp5, Register rdxReg,
1984                Register raxReg);
1985   void mul_add(Register out, Register in, Register offset, Register len, Register k, Register tmp1,
1986                Register tmp2, Register tmp3, Register tmp4, Register tmp5, Register rdxReg,
1987                Register raxReg);
1988   void vectorized_mismatch(Register obja, Register objb, Register length, Register log2_array_indxscale,
1989                            Register result, Register tmp1, Register tmp2,
1990                            XMMRegister vec1, XMMRegister vec2, XMMRegister vec3);
1991 
1992   // CRC32 code for java.util.zip.CRC32::updateBytes() intrinsic.
1993   void update_byte_crc32(Register crc, Register val, Register table);
1994   void kernel_crc32(Register crc, Register buf, Register len, Register table, Register tmp);
1995 
1996   void kernel_crc32_avx512(Register crc, Register buf, Register len, Register table, Register tmp1, Register tmp2);
1997   void kernel_crc32_avx512_256B(Register crc, Register buf, Register len, Register key, Register pos,
1998                                 Register tmp1, Register tmp2, Label& L_barrett, Label& L_16B_reduction_loop,
1999                                 Label& L_get_last_two_xmms, Label& L_128_done, Label& L_cleanup);
2000 
2001   // CRC32C code for java.util.zip.CRC32C::updateBytes() intrinsic
2002   // Note on a naming convention:
2003   // Prefix w = register only used on a Westmere+ architecture
2004   // Prefix n = register only used on a Nehalem architecture
2005   void crc32c_ipl_alg4(Register in_out, uint32_t n,
2006                        Register tmp1, Register tmp2, Register tmp3);
2007   void crc32c_pclmulqdq(XMMRegister w_xtmp1,
2008                         Register in_out,
2009                         uint32_t const_or_pre_comp_const_index, bool is_pclmulqdq_supported,
2010                         XMMRegister w_xtmp2,
2011                         Register tmp1,
2012                         Register n_tmp2, Register n_tmp3);
2013   void crc32c_rec_alt2(uint32_t const_or_pre_comp_const_index_u1, uint32_t const_or_pre_comp_const_index_u2, bool is_pclmulqdq_supported, Register in_out, Register in1, Register in2,
2014                        XMMRegister w_xtmp1, XMMRegister w_xtmp2, XMMRegister w_xtmp3,
2015                        Register tmp1, Register tmp2,
2016                        Register n_tmp3);
2017   void crc32c_proc_chunk(uint32_t size, uint32_t const_or_pre_comp_const_index_u1, uint32_t const_or_pre_comp_const_index_u2, bool is_pclmulqdq_supported,
2018                          Register in_out1, Register in_out2, Register in_out3,
2019                          Register tmp1, Register tmp2, Register tmp3,
2020                          XMMRegister w_xtmp1, XMMRegister w_xtmp2, XMMRegister w_xtmp3,
2021                          Register tmp4, Register tmp5,
2022                          Register n_tmp6);
2023   void crc32c_ipl_alg2_alt2(Register in_out, Register in1, Register in2,
2024                             Register tmp1, Register tmp2, Register tmp3,
2025                             Register tmp4, Register tmp5, Register tmp6,
2026                             XMMRegister w_xtmp1, XMMRegister w_xtmp2, XMMRegister w_xtmp3,
2027                             bool is_pclmulqdq_supported);
2028   // Fold 128-bit data chunk
2029   void fold_128bit_crc32(XMMRegister xcrc, XMMRegister xK, XMMRegister xtmp, Register buf, int offset);
2030   void fold_128bit_crc32(XMMRegister xcrc, XMMRegister xK, XMMRegister xtmp, XMMRegister xbuf);
2031   // Fold 512-bit data chunk
2032   void fold512bit_crc32_avx512(XMMRegister xcrc, XMMRegister xK, XMMRegister xtmp, Register buf, Register pos, int offset);
2033   // Fold 8-bit data
2034   void fold_8bit_crc32(Register crc, Register table, Register tmp);
2035   void fold_8bit_crc32(XMMRegister crc, Register table, XMMRegister xtmp, Register tmp);
2036 
2037   // Compress char[] array to byte[].
2038   void char_array_compress(Register src, Register dst, Register len,
2039                            XMMRegister tmp1, XMMRegister tmp2, XMMRegister tmp3,
2040                            XMMRegister tmp4, Register tmp5, Register result,
2041                            KRegister mask1 = knoreg, KRegister mask2 = knoreg);
2042 
2043   // Inflate byte[] array to char[].
2044   void byte_array_inflate(Register src, Register dst, Register len,
2045                           XMMRegister tmp1, Register tmp2, KRegister mask = knoreg);
2046 
2047   void fill_masked(BasicType bt, Address dst, XMMRegister xmm, KRegister mask,
2048                    Register length, Register temp, int vec_enc);
2049 
2050   void fill64_masked(uint shift, Register dst, int disp,
2051                          XMMRegister xmm, KRegister mask, Register length,
2052                          Register temp, bool use64byteVector = false);
2053 
2054   void fill32_masked(uint shift, Register dst, int disp,
2055                          XMMRegister xmm, KRegister mask, Register length,
2056                          Register temp);
2057 
2058   void fill32(Address dst, XMMRegister xmm);
2059 
2060   void fill32(Register dst, int disp, XMMRegister xmm);
2061 
2062   void fill64(Address dst, XMMRegister xmm, bool use64byteVector = false);
2063 
2064   void fill64(Register dst, int dis, XMMRegister xmm, bool use64byteVector = false);
2065 
2066   void convert_f2i(Register dst, XMMRegister src);
2067   void convert_d2i(Register dst, XMMRegister src);
2068   void convert_f2l(Register dst, XMMRegister src);
2069   void convert_d2l(Register dst, XMMRegister src);
2070   void round_double(Register dst, XMMRegister src, Register rtmp, Register rcx);
2071   void round_float(Register dst, XMMRegister src, Register rtmp, Register rcx);
2072 
2073   void cache_wb(Address line);
2074   void cache_wbsync(bool is_pre);
2075 
2076 #ifdef COMPILER2
2077   void generate_fill_avx3(BasicType type, Register to, Register value,
2078                           Register count, Register rtmp, XMMRegister xtmp);
2079 #endif // COMPILER2
2080 
2081   void vallones(XMMRegister dst, int vector_len);
2082 
2083   void check_stack_alignment(Register sp, const char* msg, unsigned bias = 0, Register tmp = noreg);
2084 
2085   void fast_lock(Register basic_lock, Register obj, Register reg_rax, Register tmp, Label& slow);
2086   void fast_unlock(Register obj, Register reg_rax, Register tmp, Label& slow);
2087 
2088   void save_legacy_gprs();
2089   void restore_legacy_gprs();
2090   void load_aotrc_address(Register reg, address a);
2091   void setcc(Assembler::Condition comparison, Register dst);
2092 };
2093 
2094 #endif // CPU_X86_MACROASSEMBLER_X86_HPP