1 /* 2 * Copyright (c) 1997, 2018, 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_VM_MACROASSEMBLER_X86_HPP 26 #define CPU_X86_VM_MACROASSEMBLER_X86_HPP 27 28 #include "asm/assembler.hpp" 29 #include "utilities/macros.hpp" 30 #include "runtime/rtmLocking.hpp" 31 32 // MacroAssembler extends Assembler by frequently used macros. 33 // 34 // Instructions for which a 'better' code sequence exists depending 35 // on arguments should also go in here. 36 37 class MacroAssembler: public Assembler { 38 friend class LIR_Assembler; 39 friend class Runtime1; // as_Address() 40 41 protected: 42 43 Address as_Address(AddressLiteral adr); 44 Address as_Address(ArrayAddress adr); 45 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 // This is the base routine called by the different versions of call_VM. The interpreter 58 // may customize this version by overriding it for its purposes (e.g., to save/restore 59 // additional registers when doing a VM call). 60 // 61 // If no java_thread register is specified (noreg) than rdi will be used instead. call_VM_base 62 // returns the register which contains the thread upon return. If a thread register has been 63 // specified, the return value will correspond to that register. If no last_java_sp is specified 64 // (noreg) than rsp will be used instead. 65 virtual void call_VM_base( // returns the register containing the thread upon return 66 Register oop_result, // where an oop-result ends up if any; use noreg otherwise 67 Register java_thread, // the thread if computed before ; use noreg otherwise 68 Register last_java_sp, // to set up last_Java_frame in stubs; use noreg otherwise 69 address entry_point, // the entry point 70 int number_of_arguments, // the number of arguments (w/o thread) to pop after the call 71 bool check_exceptions // whether to check for pending exceptions after return 72 ); 73 74 void call_VM_helper(Register oop_result, address entry_point, int number_of_arguments, bool check_exceptions = true); 75 76 // helpers for FPU flag access 77 // tmp is a temporary register, if none is available use noreg 78 void save_rax (Register tmp); 79 void restore_rax(Register tmp); 80 81 public: 82 MacroAssembler(CodeBuffer* code) : Assembler(code) {} 83 84 // These routines should emit JVMTI PopFrame and ForceEarlyReturn handling code. 85 // The implementation is only non-empty for the InterpreterMacroAssembler, 86 // as only the interpreter handles PopFrame and ForceEarlyReturn requests. 87 virtual void check_and_handle_popframe(Register java_thread); 88 virtual void check_and_handle_earlyret(Register java_thread); 89 90 // Support for NULL-checks 91 // 92 // Generates code that causes a NULL OS exception if the content of reg is NULL. 93 // If the accessed location is M[reg + offset] and the offset is known, provide the 94 // offset. No explicit code generation is needed if the offset is within a certain 95 // range (0 <= offset <= page_size). 96 97 void null_check(Register reg, int offset = -1); 98 static bool needs_explicit_null_check(intptr_t offset); 99 100 // Required platform-specific helpers for Label::patch_instructions. 101 // They _shadow_ the declarations in AbstractAssembler, which are undefined. 102 void pd_patch_instruction(address branch, address target) { 103 unsigned char op = branch[0]; 104 assert(op == 0xE8 /* call */ || 105 op == 0xE9 /* jmp */ || 106 op == 0xEB /* short jmp */ || 107 (op & 0xF0) == 0x70 /* short jcc */ || 108 op == 0x0F && (branch[1] & 0xF0) == 0x80 /* jcc */ || 109 op == 0xC7 && branch[1] == 0xF8 /* xbegin */, 110 "Invalid opcode at patch point"); 111 112 if (op == 0xEB || (op & 0xF0) == 0x70) { 113 // short offset operators (jmp and jcc) 114 char* disp = (char*) &branch[1]; 115 int imm8 = target - (address) &disp[1]; 116 guarantee(this->is8bit(imm8), "Short forward jump exceeds 8-bit offset"); 117 *disp = imm8; 118 } else { 119 int* disp = (int*) &branch[(op == 0x0F || op == 0xC7)? 2: 1]; 120 int imm32 = target - (address) &disp[1]; 121 *disp = imm32; 122 } 123 } 124 125 // The following 4 methods return the offset of the appropriate move instruction 126 127 // Support for fast byte/short loading with zero extension (depending on particular CPU) 128 int load_unsigned_byte(Register dst, Address src); 129 int load_unsigned_short(Register dst, Address src); 130 131 // Support for fast byte/short loading with sign extension (depending on particular CPU) 132 int load_signed_byte(Register dst, Address src); 133 int load_signed_short(Register dst, Address src); 134 135 // Support for sign-extension (hi:lo = extend_sign(lo)) 136 void extend_sign(Register hi, Register lo); 137 138 // Load and store values by size and signed-ness 139 void load_sized_value(Register dst, Address src, size_t size_in_bytes, bool is_signed, Register dst2 = noreg); 140 void store_sized_value(Address dst, Register src, size_t size_in_bytes, Register src2 = noreg); 141 142 // Support for inc/dec with optimal instruction selection depending on value 143 144 void increment(Register reg, int value = 1) { LP64_ONLY(incrementq(reg, value)) NOT_LP64(incrementl(reg, value)) ; } 145 void decrement(Register reg, int value = 1) { LP64_ONLY(decrementq(reg, value)) NOT_LP64(decrementl(reg, value)) ; } 146 147 void decrementl(Address dst, int value = 1); 148 void decrementl(Register reg, int value = 1); 149 150 void decrementq(Register reg, int value = 1); 151 void decrementq(Address dst, int value = 1); 152 153 void incrementl(Address dst, int value = 1); 154 void incrementl(Register reg, int value = 1); 155 156 void incrementq(Register reg, int value = 1); 157 void incrementq(Address dst, int value = 1); 158 159 // special instructions for EVEX 160 void setvectmask(Register dst, Register src); 161 void restorevectmask(); 162 163 // Support optimal SSE move instructions. 164 void movflt(XMMRegister dst, XMMRegister src) { 165 if (UseXmmRegToRegMoveAll) { movaps(dst, src); return; } 166 else { movss (dst, src); return; } 167 } 168 void movflt(XMMRegister dst, Address src) { movss(dst, src); } 169 void movflt(XMMRegister dst, AddressLiteral src); 170 void movflt(Address dst, XMMRegister src) { movss(dst, src); } 171 172 void movdbl(XMMRegister dst, XMMRegister src) { 173 if (UseXmmRegToRegMoveAll) { movapd(dst, src); return; } 174 else { movsd (dst, src); return; } 175 } 176 177 void movdbl(XMMRegister dst, AddressLiteral src); 178 179 void movdbl(XMMRegister dst, Address src) { 180 if (UseXmmLoadAndClearUpper) { movsd (dst, src); return; } 181 else { movlpd(dst, src); return; } 182 } 183 void movdbl(Address dst, XMMRegister src) { movsd(dst, src); } 184 185 void incrementl(AddressLiteral dst); 186 void incrementl(ArrayAddress dst); 187 188 void incrementq(AddressLiteral dst); 189 190 // Alignment 191 void align(int modulus); 192 void align(int modulus, int target); 193 194 // A 5 byte nop that is safe for patching (see patch_verified_entry) 195 void fat_nop(); 196 197 // Stack frame creation/removal 198 void enter(); 199 void leave(); 200 201 // Support for getting the JavaThread pointer (i.e.; a reference to thread-local information) 202 // The pointer will be loaded into the thread register. 203 void get_thread(Register thread); 204 205 206 // Support for VM calls 207 // 208 // It is imperative that all calls into the VM are handled via the call_VM macros. 209 // They make sure that the stack linkage is setup correctly. call_VM's correspond 210 // to ENTRY/ENTRY_X entry points while call_VM_leaf's correspond to LEAF entry points. 211 212 213 void call_VM(Register oop_result, 214 address entry_point, 215 bool check_exceptions = true); 216 void call_VM(Register oop_result, 217 address entry_point, 218 Register arg_1, 219 bool check_exceptions = true); 220 void call_VM(Register oop_result, 221 address entry_point, 222 Register arg_1, Register arg_2, 223 bool check_exceptions = true); 224 void call_VM(Register oop_result, 225 address entry_point, 226 Register arg_1, Register arg_2, Register arg_3, 227 bool check_exceptions = true); 228 229 // Overloadings with last_Java_sp 230 void call_VM(Register oop_result, 231 Register last_java_sp, 232 address entry_point, 233 int number_of_arguments = 0, 234 bool check_exceptions = true); 235 void call_VM(Register oop_result, 236 Register last_java_sp, 237 address entry_point, 238 Register arg_1, bool 239 check_exceptions = true); 240 void call_VM(Register oop_result, 241 Register last_java_sp, 242 address entry_point, 243 Register arg_1, Register arg_2, 244 bool check_exceptions = true); 245 void call_VM(Register oop_result, 246 Register last_java_sp, 247 address entry_point, 248 Register arg_1, Register arg_2, Register arg_3, 249 bool check_exceptions = true); 250 251 void get_vm_result (Register oop_result, Register thread); 252 void get_vm_result_2(Register metadata_result, Register thread); 253 254 // These always tightly bind to MacroAssembler::call_VM_base 255 // bypassing the virtual implementation 256 void super_call_VM(Register oop_result, Register last_java_sp, address entry_point, int number_of_arguments = 0, bool check_exceptions = true); 257 void super_call_VM(Register oop_result, Register last_java_sp, address entry_point, Register arg_1, bool check_exceptions = true); 258 void super_call_VM(Register oop_result, Register last_java_sp, address entry_point, Register arg_1, Register arg_2, bool check_exceptions = true); 259 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); 260 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); 261 262 void call_VM_leaf0(address entry_point); 263 void call_VM_leaf(address entry_point, 264 int number_of_arguments = 0); 265 void call_VM_leaf(address entry_point, 266 Register arg_1); 267 void call_VM_leaf(address entry_point, 268 Register arg_1, Register arg_2); 269 void call_VM_leaf(address entry_point, 270 Register arg_1, Register arg_2, Register arg_3); 271 272 // These always tightly bind to MacroAssembler::call_VM_leaf_base 273 // bypassing the virtual implementation 274 void super_call_VM_leaf(address entry_point); 275 void super_call_VM_leaf(address entry_point, Register arg_1); 276 void super_call_VM_leaf(address entry_point, Register arg_1, Register arg_2); 277 void super_call_VM_leaf(address entry_point, Register arg_1, Register arg_2, Register arg_3); 278 void super_call_VM_leaf(address entry_point, Register arg_1, Register arg_2, Register arg_3, Register arg_4); 279 280 // last Java Frame (fills frame anchor) 281 void set_last_Java_frame(Register thread, 282 Register last_java_sp, 283 Register last_java_fp, 284 address last_java_pc); 285 286 // thread in the default location (r15_thread on 64bit) 287 void set_last_Java_frame(Register last_java_sp, 288 Register last_java_fp, 289 address last_java_pc); 290 291 void reset_last_Java_frame(Register thread, bool clear_fp); 292 293 // thread in the default location (r15_thread on 64bit) 294 void reset_last_Java_frame(bool clear_fp); 295 296 // Stores 297 void store_check(Register obj); // store check for obj - register is destroyed afterwards 298 void store_check(Register obj, Address dst); // same as above, dst is exact store location (reg. is destroyed) 299 300 void resolve_jobject(Register value, Register thread, Register tmp); 301 void clear_jweak_tag(Register possibly_jweak); 302 303 #if INCLUDE_ALL_GCS 304 305 void g1_write_barrier_pre(Register obj, 306 Register pre_val, 307 Register thread, 308 Register tmp, 309 bool tosca_live, 310 bool expand_call); 311 312 void g1_write_barrier_post(Register store_addr, 313 Register new_val, 314 Register thread, 315 Register tmp, 316 Register tmp2); 317 318 #endif // INCLUDE_ALL_GCS 319 320 // C 'boolean' to Java boolean: x == 0 ? 0 : 1 321 void c2bool(Register x); 322 323 // C++ bool manipulation 324 325 void movbool(Register dst, Address src); 326 void movbool(Address dst, bool boolconst); 327 void movbool(Address dst, Register src); 328 void testbool(Register dst); 329 330 void resolve_oop_handle(Register result); 331 void load_mirror(Register mirror, Register method); 332 333 // oop manipulations 334 void load_klass(Register dst, Register src); 335 void store_klass(Register dst, Register src); 336 337 enum LoadBarrierOn { 338 LoadBarrierOnStrongOopRef, 339 LoadBarrierOnWeakOopRef, 340 LoadBarrierOnPhantomOopRef 341 }; 342 343 void load_barrier(Register ref, Address ref_addr, bool expand_call, LoadBarrierOn on); 344 345 void load_heap_oop(Register dst, Address src, bool expand_call = false, LoadBarrierOn on = LoadBarrierOnStrongOopRef); 346 void load_heap_oop_not_null(Register dst, Address src); 347 void store_heap_oop(Address dst, Register src); 348 void cmp_heap_oop(Register src1, Address src2, Register tmp = noreg); 349 350 // Used for storing NULL. All other oop constants should be 351 // stored using routines that take a jobject. 352 void store_heap_oop_null(Address dst); 353 354 void load_prototype_header(Register dst, Register src); 355 356 #ifdef _LP64 357 void store_klass_gap(Register dst, Register src); 358 359 // This dummy is to prevent a call to store_heap_oop from 360 // converting a zero (like NULL) into a Register by giving 361 // the compiler two choices it can't resolve 362 363 void store_heap_oop(Address dst, void* dummy); 364 365 void encode_heap_oop(Register r); 366 void decode_heap_oop(Register r); 367 void encode_heap_oop_not_null(Register r); 368 void decode_heap_oop_not_null(Register r); 369 void encode_heap_oop_not_null(Register dst, Register src); 370 void decode_heap_oop_not_null(Register dst, Register src); 371 372 void set_narrow_oop(Register dst, jobject obj); 373 void set_narrow_oop(Address dst, jobject obj); 374 void cmp_narrow_oop(Register dst, jobject obj); 375 void cmp_narrow_oop(Address dst, jobject obj); 376 377 void encode_klass_not_null(Register r); 378 void decode_klass_not_null(Register r); 379 void encode_klass_not_null(Register dst, Register src); 380 void decode_klass_not_null(Register dst, Register src); 381 void set_narrow_klass(Register dst, Klass* k); 382 void set_narrow_klass(Address dst, Klass* k); 383 void cmp_narrow_klass(Register dst, Klass* k); 384 void cmp_narrow_klass(Address dst, Klass* k); 385 386 // Returns the byte size of the instructions generated by decode_klass_not_null() 387 // when compressed klass pointers are being used. 388 static int instr_size_for_decode_klass_not_null(); 389 390 // if heap base register is used - reinit it with the correct value 391 void reinit_heapbase(); 392 393 DEBUG_ONLY(void verify_heapbase(const char* msg);) 394 395 #endif // _LP64 396 397 // Int division/remainder for Java 398 // (as idivl, but checks for special case as described in JVM spec.) 399 // returns idivl instruction offset for implicit exception handling 400 int corrected_idivl(Register reg); 401 402 // Long division/remainder for Java 403 // (as idivq, but checks for special case as described in JVM spec.) 404 // returns idivq instruction offset for implicit exception handling 405 int corrected_idivq(Register reg); 406 407 void int3(); 408 409 // Long operation macros for a 32bit cpu 410 // Long negation for Java 411 void lneg(Register hi, Register lo); 412 413 // Long multiplication for Java 414 // (destroys contents of eax, ebx, ecx and edx) 415 void lmul(int x_rsp_offset, int y_rsp_offset); // rdx:rax = x * y 416 417 // Long shifts for Java 418 // (semantics as described in JVM spec.) 419 void lshl(Register hi, Register lo); // hi:lo << (rcx & 0x3f) 420 void lshr(Register hi, Register lo, bool sign_extension = false); // hi:lo >> (rcx & 0x3f) 421 422 // Long compare for Java 423 // (semantics as described in JVM spec.) 424 void lcmp2int(Register x_hi, Register x_lo, Register y_hi, Register y_lo); // x_hi = lcmp(x, y) 425 426 427 // misc 428 429 // Sign extension 430 void sign_extend_short(Register reg); 431 void sign_extend_byte(Register reg); 432 433 // Division by power of 2, rounding towards 0 434 void division_with_shift(Register reg, int shift_value); 435 436 // Compares the top-most stack entries on the FPU stack and sets the eflags as follows: 437 // 438 // CF (corresponds to C0) if x < y 439 // PF (corresponds to C2) if unordered 440 // ZF (corresponds to C3) if x = y 441 // 442 // The arguments are in reversed order on the stack (i.e., top of stack is first argument). 443 // tmp is a temporary register, if none is available use noreg (only matters for non-P6 code) 444 void fcmp(Register tmp); 445 // Variant of the above which allows y to be further down the stack 446 // and which only pops x and y if specified. If pop_right is 447 // specified then pop_left must also be specified. 448 void fcmp(Register tmp, int index, bool pop_left, bool pop_right); 449 450 // Floating-point comparison for Java 451 // Compares the top-most stack entries on the FPU stack and stores the result in dst. 452 // The arguments are in reversed order on the stack (i.e., top of stack is first argument). 453 // (semantics as described in JVM spec.) 454 void fcmp2int(Register dst, bool unordered_is_less); 455 // Variant of the above which allows y to be further down the stack 456 // and which only pops x and y if specified. If pop_right is 457 // specified then pop_left must also be specified. 458 void fcmp2int(Register dst, bool unordered_is_less, int index, bool pop_left, bool pop_right); 459 460 // Floating-point remainder for Java (ST0 = ST0 fremr ST1, ST1 is empty afterwards) 461 // tmp is a temporary register, if none is available use noreg 462 void fremr(Register tmp); 463 464 // dst = c = a * b + c 465 void fmad(XMMRegister dst, XMMRegister a, XMMRegister b, XMMRegister c); 466 void fmaf(XMMRegister dst, XMMRegister a, XMMRegister b, XMMRegister c); 467 468 void vfmad(XMMRegister dst, XMMRegister a, XMMRegister b, XMMRegister c, int vector_len); 469 void vfmaf(XMMRegister dst, XMMRegister a, XMMRegister b, XMMRegister c, int vector_len); 470 void vfmad(XMMRegister dst, XMMRegister a, Address b, XMMRegister c, int vector_len); 471 void vfmaf(XMMRegister dst, XMMRegister a, Address b, XMMRegister c, int vector_len); 472 473 474 // same as fcmp2int, but using SSE2 475 void cmpss2int(XMMRegister opr1, XMMRegister opr2, Register dst, bool unordered_is_less); 476 void cmpsd2int(XMMRegister opr1, XMMRegister opr2, Register dst, bool unordered_is_less); 477 478 // branch to L if FPU flag C2 is set/not set 479 // tmp is a temporary register, if none is available use noreg 480 void jC2 (Register tmp, Label& L); 481 void jnC2(Register tmp, Label& L); 482 483 // Pop ST (ffree & fincstp combined) 484 void fpop(); 485 486 // Load float value from 'address'. If UseSSE >= 1, the value is loaded into 487 // register xmm0. Otherwise, the value is loaded onto the FPU stack. 488 void load_float(Address src); 489 490 // Store float value to 'address'. If UseSSE >= 1, the value is stored 491 // from register xmm0. Otherwise, the value is stored from the FPU stack. 492 void store_float(Address dst); 493 494 // Load double value from 'address'. If UseSSE >= 2, the value is loaded into 495 // register xmm0. Otherwise, the value is loaded onto the FPU stack. 496 void load_double(Address src); 497 498 // Store double value to 'address'. If UseSSE >= 2, the value is stored 499 // from register xmm0. Otherwise, the value is stored from the FPU stack. 500 void store_double(Address dst); 501 502 // pushes double TOS element of FPU stack on CPU stack; pops from FPU stack 503 void push_fTOS(); 504 505 // pops double TOS element from CPU stack and pushes on FPU stack 506 void pop_fTOS(); 507 508 void empty_FPU_stack(); 509 510 void push_IU_state(); 511 void pop_IU_state(); 512 513 void push_FPU_state(); 514 void pop_FPU_state(); 515 516 void push_CPU_state(); 517 void pop_CPU_state(); 518 519 // Round up to a power of two 520 void round_to(Register reg, int modulus); 521 522 // Callee saved registers handling 523 void push_callee_saved_registers(); 524 void pop_callee_saved_registers(); 525 526 // allocation 527 void eden_allocate( 528 Register obj, // result: pointer to object after successful allocation 529 Register var_size_in_bytes, // object size in bytes if unknown at compile time; invalid otherwise 530 int con_size_in_bytes, // object size in bytes if known at compile time 531 Register t1, // temp register 532 Label& slow_case // continuation point if fast allocation fails 533 ); 534 void tlab_allocate( 535 Register obj, // result: pointer to object after successful allocation 536 Register var_size_in_bytes, // object size in bytes if unknown at compile time; invalid otherwise 537 int con_size_in_bytes, // object size in bytes if known at compile time 538 Register t1, // temp register 539 Register t2, // temp register 540 Label& slow_case // continuation point if fast allocation fails 541 ); 542 void zero_memory(Register address, Register length_in_bytes, int offset_in_bytes, Register temp); 543 544 void incr_allocated_bytes(Register thread, 545 Register var_size_in_bytes, int con_size_in_bytes, 546 Register t1 = noreg); 547 548 // interface method calling 549 void lookup_interface_method(Register recv_klass, 550 Register intf_klass, 551 RegisterOrConstant itable_index, 552 Register method_result, 553 Register scan_temp, 554 Label& no_such_interface, 555 bool return_method = true); 556 557 // virtual method calling 558 void lookup_virtual_method(Register recv_klass, 559 RegisterOrConstant vtable_index, 560 Register method_result); 561 562 // Test sub_klass against super_klass, with fast and slow paths. 563 564 // The fast path produces a tri-state answer: yes / no / maybe-slow. 565 // One of the three labels can be NULL, meaning take the fall-through. 566 // If super_check_offset is -1, the value is loaded up from super_klass. 567 // No registers are killed, except temp_reg. 568 void check_klass_subtype_fast_path(Register sub_klass, 569 Register super_klass, 570 Register temp_reg, 571 Label* L_success, 572 Label* L_failure, 573 Label* L_slow_path, 574 RegisterOrConstant super_check_offset = RegisterOrConstant(-1)); 575 576 // The rest of the type check; must be wired to a corresponding fast path. 577 // It does not repeat the fast path logic, so don't use it standalone. 578 // The temp_reg and temp2_reg can be noreg, if no temps are available. 579 // Updates the sub's secondary super cache as necessary. 580 // If set_cond_codes, condition codes will be Z on success, NZ on failure. 581 void check_klass_subtype_slow_path(Register sub_klass, 582 Register super_klass, 583 Register temp_reg, 584 Register temp2_reg, 585 Label* L_success, 586 Label* L_failure, 587 bool set_cond_codes = false); 588 589 // Simplified, combined version, good for typical uses. 590 // Falls through on failure. 591 void check_klass_subtype(Register sub_klass, 592 Register super_klass, 593 Register temp_reg, 594 Label& L_success); 595 596 // method handles (JSR 292) 597 Address argument_address(RegisterOrConstant arg_slot, int extra_slot_offset = 0); 598 599 //---- 600 void set_word_if_not_zero(Register reg); // sets reg to 1 if not zero, otherwise 0 601 602 // Debugging 603 604 // only if +VerifyOops 605 // TODO: Make these macros with file and line like sparc version! 606 void verify_oop(Register reg, const char* s = "broken oop"); 607 void verify_oop_addr(Address addr, const char * s = "broken oop addr"); 608 609 // TODO: verify method and klass metadata (compare against vptr?) 610 void _verify_method_ptr(Register reg, const char * msg, const char * file, int line) {} 611 void _verify_klass_ptr(Register reg, const char * msg, const char * file, int line){} 612 613 #define verify_method_ptr(reg) _verify_method_ptr(reg, "broken method " #reg, __FILE__, __LINE__) 614 #define verify_klass_ptr(reg) _verify_klass_ptr(reg, "broken klass " #reg, __FILE__, __LINE__) 615 616 // only if +VerifyFPU 617 void verify_FPU(int stack_depth, const char* s = "illegal FPU state"); 618 619 // Verify or restore cpu control state after JNI call 620 void restore_cpu_control_state_after_jni(); 621 622 // prints msg, dumps registers and stops execution 623 void stop(const char* msg); 624 625 // prints msg and continues 626 void warn(const char* msg); 627 628 // dumps registers and other state 629 void print_state(); 630 631 static void debug32(int rdi, int rsi, int rbp, int rsp, int rbx, int rdx, int rcx, int rax, int eip, char* msg); 632 static void debug64(char* msg, int64_t pc, int64_t regs[]); 633 static void print_state32(int rdi, int rsi, int rbp, int rsp, int rbx, int rdx, int rcx, int rax, int eip); 634 static void print_state64(int64_t pc, int64_t regs[]); 635 636 void os_breakpoint(); 637 638 void untested() { stop("untested"); } 639 640 void unimplemented(const char* what = ""); 641 642 void should_not_reach_here() { stop("should not reach here"); } 643 644 void print_CPU_state(); 645 646 // Stack overflow checking 647 void bang_stack_with_offset(int offset) { 648 // stack grows down, caller passes positive offset 649 assert(offset > 0, "must bang with negative offset"); 650 movl(Address(rsp, (-offset)), rax); 651 } 652 653 // Writes to stack successive pages until offset reached to check for 654 // stack overflow + shadow pages. Also, clobbers tmp 655 void bang_stack_size(Register size, Register tmp); 656 657 // Check for reserved stack access in method being exited (for JIT) 658 void reserved_stack_check(); 659 660 virtual RegisterOrConstant delayed_value_impl(intptr_t* delayed_value_addr, 661 Register tmp, 662 int offset); 663 664 // Support for serializing memory accesses between threads 665 void serialize_memory(Register thread, Register tmp); 666 667 // If thread_reg is != noreg the code assumes the register passed contains 668 // the thread (required on 64 bit). 669 void safepoint_poll(Label& slow_path, Register thread_reg, Register temp_reg); 670 671 void verify_tlab(); 672 673 // Biased locking support 674 // lock_reg and obj_reg must be loaded up with the appropriate values. 675 // swap_reg must be rax, and is killed. 676 // tmp_reg is optional. If it is supplied (i.e., != noreg) it will 677 // be killed; if not supplied, push/pop will be used internally to 678 // allocate a temporary (inefficient, avoid if possible). 679 // Optional slow case is for implementations (interpreter and C1) which branch to 680 // slow case directly. Leaves condition codes set for C2's Fast_Lock node. 681 // Returns offset of first potentially-faulting instruction for null 682 // check info (currently consumed only by C1). If 683 // swap_reg_contains_mark is true then returns -1 as it is assumed 684 // the calling code has already passed any potential faults. 685 int biased_locking_enter(Register lock_reg, Register obj_reg, 686 Register swap_reg, Register tmp_reg, 687 bool swap_reg_contains_mark, 688 Label& done, Label* slow_case = NULL, 689 BiasedLockingCounters* counters = NULL); 690 void biased_locking_exit (Register obj_reg, Register temp_reg, Label& done); 691 #ifdef COMPILER2 692 // Code used by cmpFastLock and cmpFastUnlock mach instructions in .ad file. 693 // See full desription in macroAssembler_x86.cpp. 694 void fast_lock(Register obj, Register box, Register tmp, 695 Register scr, Register cx1, Register cx2, 696 BiasedLockingCounters* counters, 697 RTMLockingCounters* rtm_counters, 698 RTMLockingCounters* stack_rtm_counters, 699 Metadata* method_data, 700 bool use_rtm, bool profile_rtm); 701 void fast_unlock(Register obj, Register box, Register tmp, bool use_rtm); 702 #if INCLUDE_RTM_OPT 703 void rtm_counters_update(Register abort_status, Register rtm_counters); 704 void branch_on_random_using_rdtsc(Register tmp, Register scr, int count, Label& brLabel); 705 void rtm_abort_ratio_calculation(Register tmp, Register rtm_counters_reg, 706 RTMLockingCounters* rtm_counters, 707 Metadata* method_data); 708 void rtm_profiling(Register abort_status_Reg, Register rtm_counters_Reg, 709 RTMLockingCounters* rtm_counters, Metadata* method_data, bool profile_rtm); 710 void rtm_retry_lock_on_abort(Register retry_count, Register abort_status, Label& retryLabel); 711 void rtm_retry_lock_on_busy(Register retry_count, Register box, Register tmp, Register scr, Label& retryLabel); 712 void rtm_stack_locking(Register obj, Register tmp, Register scr, 713 Register retry_on_abort_count, 714 RTMLockingCounters* stack_rtm_counters, 715 Metadata* method_data, bool profile_rtm, 716 Label& DONE_LABEL, Label& IsInflated); 717 void rtm_inflated_locking(Register obj, Register box, Register tmp, 718 Register scr, Register retry_on_busy_count, 719 Register retry_on_abort_count, 720 RTMLockingCounters* rtm_counters, 721 Metadata* method_data, bool profile_rtm, 722 Label& DONE_LABEL); 723 #endif 724 #endif 725 726 Condition negate_condition(Condition cond); 727 728 // Instructions that use AddressLiteral operands. These instruction can handle 32bit/64bit 729 // operands. In general the names are modified to avoid hiding the instruction in Assembler 730 // so that we don't need to implement all the varieties in the Assembler with trivial wrappers 731 // here in MacroAssembler. The major exception to this rule is call 732 733 // Arithmetics 734 735 736 void addptr(Address dst, int32_t src) { LP64_ONLY(addq(dst, src)) NOT_LP64(addl(dst, src)) ; } 737 void addptr(Address dst, Register src); 738 739 void addptr(Register dst, Address src) { LP64_ONLY(addq(dst, src)) NOT_LP64(addl(dst, src)); } 740 void addptr(Register dst, int32_t src); 741 void addptr(Register dst, Register src); 742 void addptr(Register dst, RegisterOrConstant src) { 743 if (src.is_constant()) addptr(dst, (int) src.as_constant()); 744 else addptr(dst, src.as_register()); 745 } 746 747 void andptr(Register dst, int32_t src); 748 void andptr(Register src1, Register src2) { LP64_ONLY(andq(src1, src2)) NOT_LP64(andl(src1, src2)) ; } 749 750 void cmp8(AddressLiteral src1, int imm); 751 752 // renamed to drag out the casting of address to int32_t/intptr_t 753 void cmp32(Register src1, int32_t imm); 754 755 void cmp32(AddressLiteral src1, int32_t imm); 756 // compare reg - mem, or reg - &mem 757 void cmp32(Register src1, AddressLiteral src2); 758 759 void cmp32(Register src1, Address src2); 760 761 #ifndef _LP64 762 void cmpklass(Address dst, Metadata* obj); 763 void cmpklass(Register dst, Metadata* obj); 764 void cmpoop(Address dst, jobject obj); 765 #endif // _LP64 766 767 void cmpoop(Register src1, Register src2); 768 void cmpoop(Register src1, Address src2); 769 void cmpoop(Register dst, jobject obj); 770 771 // NOTE src2 must be the lval. This is NOT an mem-mem compare 772 void cmpptr(Address src1, AddressLiteral src2); 773 774 void cmpptr(Register src1, AddressLiteral src2); 775 776 void cmpptr(Register src1, Register src2) { LP64_ONLY(cmpq(src1, src2)) NOT_LP64(cmpl(src1, src2)) ; } 777 void cmpptr(Register src1, Address src2) { LP64_ONLY(cmpq(src1, src2)) NOT_LP64(cmpl(src1, src2)) ; } 778 // void cmpptr(Address src1, Register src2) { LP64_ONLY(cmpq(src1, src2)) NOT_LP64(cmpl(src1, src2)) ; } 779 780 void cmpptr(Register src1, int32_t src2) { LP64_ONLY(cmpq(src1, src2)) NOT_LP64(cmpl(src1, src2)) ; } 781 void cmpptr(Address src1, int32_t src2) { LP64_ONLY(cmpq(src1, src2)) NOT_LP64(cmpl(src1, src2)) ; } 782 783 // cmp64 to avoild hiding cmpq 784 void cmp64(Register src1, AddressLiteral src); 785 786 void cmpxchgptr(Register reg, Address adr); 787 788 void locked_cmpxchgptr(Register reg, AddressLiteral adr); 789 790 791 void imulptr(Register dst, Register src) { LP64_ONLY(imulq(dst, src)) NOT_LP64(imull(dst, src)); } 792 void imulptr(Register dst, Register src, int imm32) { LP64_ONLY(imulq(dst, src, imm32)) NOT_LP64(imull(dst, src, imm32)); } 793 794 795 void negptr(Register dst) { LP64_ONLY(negq(dst)) NOT_LP64(negl(dst)); } 796 797 void notptr(Register dst) { LP64_ONLY(notq(dst)) NOT_LP64(notl(dst)); } 798 799 void shlptr(Register dst, int32_t shift); 800 void shlptr(Register dst) { LP64_ONLY(shlq(dst)) NOT_LP64(shll(dst)); } 801 802 void shrptr(Register dst, int32_t shift); 803 void shrptr(Register dst) { LP64_ONLY(shrq(dst)) NOT_LP64(shrl(dst)); } 804 805 void sarptr(Register dst) { LP64_ONLY(sarq(dst)) NOT_LP64(sarl(dst)); } 806 void sarptr(Register dst, int32_t src) { LP64_ONLY(sarq(dst, src)) NOT_LP64(sarl(dst, src)); } 807 808 void subptr(Address dst, int32_t src) { LP64_ONLY(subq(dst, src)) NOT_LP64(subl(dst, src)); } 809 810 void subptr(Register dst, Address src) { LP64_ONLY(subq(dst, src)) NOT_LP64(subl(dst, src)); } 811 void subptr(Register dst, int32_t src); 812 // Force generation of a 4 byte immediate value even if it fits into 8bit 813 void subptr_imm32(Register dst, int32_t src); 814 void subptr(Register dst, Register src); 815 void subptr(Register dst, RegisterOrConstant src) { 816 if (src.is_constant()) subptr(dst, (int) src.as_constant()); 817 else subptr(dst, src.as_register()); 818 } 819 820 void sbbptr(Address dst, int32_t src) { LP64_ONLY(sbbq(dst, src)) NOT_LP64(sbbl(dst, src)); } 821 void sbbptr(Register dst, int32_t src) { LP64_ONLY(sbbq(dst, src)) NOT_LP64(sbbl(dst, src)); } 822 823 void xchgptr(Register src1, Register src2) { LP64_ONLY(xchgq(src1, src2)) NOT_LP64(xchgl(src1, src2)) ; } 824 void xchgptr(Register src1, Address src2) { LP64_ONLY(xchgq(src1, src2)) NOT_LP64(xchgl(src1, src2)) ; } 825 826 void xaddptr(Address src1, Register src2) { LP64_ONLY(xaddq(src1, src2)) NOT_LP64(xaddl(src1, src2)) ; } 827 828 829 830 // Helper functions for statistics gathering. 831 // Conditionally (atomically, on MPs) increments passed counter address, preserving condition codes. 832 void cond_inc32(Condition cond, AddressLiteral counter_addr); 833 // Unconditional atomic increment. 834 void atomic_incl(Address counter_addr); 835 void atomic_incl(AddressLiteral counter_addr, Register scr = rscratch1); 836 #ifdef _LP64 837 void atomic_incq(Address counter_addr); 838 void atomic_incq(AddressLiteral counter_addr, Register scr = rscratch1); 839 #endif 840 void atomic_incptr(AddressLiteral counter_addr, Register scr = rscratch1) { LP64_ONLY(atomic_incq(counter_addr, scr)) NOT_LP64(atomic_incl(counter_addr, scr)) ; } 841 void atomic_incptr(Address counter_addr) { LP64_ONLY(atomic_incq(counter_addr)) NOT_LP64(atomic_incl(counter_addr)) ; } 842 843 void lea(Register dst, AddressLiteral adr); 844 void lea(Address dst, AddressLiteral adr); 845 void lea(Register dst, Address adr) { Assembler::lea(dst, adr); } 846 847 void leal32(Register dst, Address src) { leal(dst, src); } 848 849 // Import other testl() methods from the parent class or else 850 // they will be hidden by the following overriding declaration. 851 using Assembler::testl; 852 void testl(Register dst, AddressLiteral src); 853 854 void orptr(Register dst, Address src) { LP64_ONLY(orq(dst, src)) NOT_LP64(orl(dst, src)); } 855 void orptr(Register dst, Register src) { LP64_ONLY(orq(dst, src)) NOT_LP64(orl(dst, src)); } 856 void orptr(Register dst, int32_t src) { LP64_ONLY(orq(dst, src)) NOT_LP64(orl(dst, src)); } 857 void orptr(Address dst, int32_t imm32) { LP64_ONLY(orq(dst, imm32)) NOT_LP64(orl(dst, imm32)); } 858 859 void testptr(Register src, int32_t imm32) { LP64_ONLY(testq(src, imm32)) NOT_LP64(testl(src, imm32)); } 860 void testptr(Register src1, Address src2) { LP64_ONLY(testq(src1, src2)) NOT_LP64(testl(src1, src2)); } 861 void testptr(Register src1, Register src2); 862 863 void xorptr(Register dst, Register src) { LP64_ONLY(xorq(dst, src)) NOT_LP64(xorl(dst, src)); } 864 void xorptr(Register dst, Address src) { LP64_ONLY(xorq(dst, src)) NOT_LP64(xorl(dst, src)); } 865 866 // Calls 867 868 void call(Label& L, relocInfo::relocType rtype); 869 void call(Register entry); 870 871 // NOTE: this call transfers to the effective address of entry NOT 872 // the address contained by entry. This is because this is more natural 873 // for jumps/calls. 874 void call(AddressLiteral entry); 875 876 // Emit the CompiledIC call idiom 877 void ic_call(address entry, jint method_index = 0); 878 879 // Jumps 880 881 // NOTE: these jumps tranfer to the effective address of dst NOT 882 // the address contained by dst. This is because this is more natural 883 // for jumps/calls. 884 void jump(AddressLiteral dst); 885 void jump_cc(Condition cc, AddressLiteral dst); 886 887 // 32bit can do a case table jump in one instruction but we no longer allow the base 888 // to be installed in the Address class. This jump will tranfers to the address 889 // contained in the location described by entry (not the address of entry) 890 void jump(ArrayAddress entry); 891 892 // Floating 893 894 void andpd(XMMRegister dst, Address src) { Assembler::andpd(dst, src); } 895 void andpd(XMMRegister dst, AddressLiteral src); 896 void andpd(XMMRegister dst, XMMRegister src) { Assembler::andpd(dst, src); } 897 898 void andps(XMMRegister dst, XMMRegister src) { Assembler::andps(dst, src); } 899 void andps(XMMRegister dst, Address src) { Assembler::andps(dst, src); } 900 void andps(XMMRegister dst, AddressLiteral src); 901 902 void comiss(XMMRegister dst, XMMRegister src) { Assembler::comiss(dst, src); } 903 void comiss(XMMRegister dst, Address src) { Assembler::comiss(dst, src); } 904 void comiss(XMMRegister dst, AddressLiteral src); 905 906 void comisd(XMMRegister dst, XMMRegister src) { Assembler::comisd(dst, src); } 907 void comisd(XMMRegister dst, Address src) { Assembler::comisd(dst, src); } 908 void comisd(XMMRegister dst, AddressLiteral src); 909 910 void fadd_s(Address src) { Assembler::fadd_s(src); } 911 void fadd_s(AddressLiteral src) { Assembler::fadd_s(as_Address(src)); } 912 913 void fldcw(Address src) { Assembler::fldcw(src); } 914 void fldcw(AddressLiteral src); 915 916 void fld_s(int index) { Assembler::fld_s(index); } 917 void fld_s(Address src) { Assembler::fld_s(src); } 918 void fld_s(AddressLiteral src); 919 920 void fld_d(Address src) { Assembler::fld_d(src); } 921 void fld_d(AddressLiteral src); 922 923 void fld_x(Address src) { Assembler::fld_x(src); } 924 void fld_x(AddressLiteral src); 925 926 void fmul_s(Address src) { Assembler::fmul_s(src); } 927 void fmul_s(AddressLiteral src) { Assembler::fmul_s(as_Address(src)); } 928 929 void ldmxcsr(Address src) { Assembler::ldmxcsr(src); } 930 void ldmxcsr(AddressLiteral src); 931 932 #ifdef _LP64 933 private: 934 void sha256_AVX2_one_round_compute( 935 Register reg_old_h, 936 Register reg_a, 937 Register reg_b, 938 Register reg_c, 939 Register reg_d, 940 Register reg_e, 941 Register reg_f, 942 Register reg_g, 943 Register reg_h, 944 int iter); 945 void sha256_AVX2_four_rounds_compute_first(int start); 946 void sha256_AVX2_four_rounds_compute_last(int start); 947 void sha256_AVX2_one_round_and_sched( 948 XMMRegister xmm_0, /* == ymm4 on 0, 1, 2, 3 iterations, then rotate 4 registers left on 4, 8, 12 iterations */ 949 XMMRegister xmm_1, /* ymm5 */ /* full cycle is 16 iterations */ 950 XMMRegister xmm_2, /* ymm6 */ 951 XMMRegister xmm_3, /* ymm7 */ 952 Register reg_a, /* == eax on 0 iteration, then rotate 8 register right on each next iteration */ 953 Register reg_b, /* ebx */ /* full cycle is 8 iterations */ 954 Register reg_c, /* edi */ 955 Register reg_d, /* esi */ 956 Register reg_e, /* r8d */ 957 Register reg_f, /* r9d */ 958 Register reg_g, /* r10d */ 959 Register reg_h, /* r11d */ 960 int iter); 961 962 void addm(int disp, Register r1, Register r2); 963 964 public: 965 void sha256_AVX2(XMMRegister msg, XMMRegister state0, XMMRegister state1, XMMRegister msgtmp0, 966 XMMRegister msgtmp1, XMMRegister msgtmp2, XMMRegister msgtmp3, XMMRegister msgtmp4, 967 Register buf, Register state, Register ofs, Register limit, Register rsp, 968 bool multi_block, XMMRegister shuf_mask); 969 #endif 970 971 #ifdef _LP64 972 private: 973 void sha512_AVX2_one_round_compute(Register old_h, Register a, Register b, Register c, Register d, 974 Register e, Register f, Register g, Register h, int iteration); 975 976 void sha512_AVX2_one_round_and_schedule(XMMRegister xmm4, XMMRegister xmm5, XMMRegister xmm6, XMMRegister xmm7, 977 Register a, Register b, Register c, Register d, Register e, Register f, 978 Register g, Register h, int iteration); 979 980 void addmq(int disp, Register r1, Register r2); 981 public: 982 void sha512_AVX2(XMMRegister msg, XMMRegister state0, XMMRegister state1, XMMRegister msgtmp0, 983 XMMRegister msgtmp1, XMMRegister msgtmp2, XMMRegister msgtmp3, XMMRegister msgtmp4, 984 Register buf, Register state, Register ofs, Register limit, Register rsp, bool multi_block, 985 XMMRegister shuf_mask); 986 #endif 987 988 void fast_sha1(XMMRegister abcd, XMMRegister e0, XMMRegister e1, XMMRegister msg0, 989 XMMRegister msg1, XMMRegister msg2, XMMRegister msg3, XMMRegister shuf_mask, 990 Register buf, Register state, Register ofs, Register limit, Register rsp, 991 bool multi_block); 992 993 #ifdef _LP64 994 void fast_sha256(XMMRegister msg, XMMRegister state0, XMMRegister state1, XMMRegister msgtmp0, 995 XMMRegister msgtmp1, XMMRegister msgtmp2, XMMRegister msgtmp3, XMMRegister msgtmp4, 996 Register buf, Register state, Register ofs, Register limit, Register rsp, 997 bool multi_block, XMMRegister shuf_mask); 998 #else 999 void fast_sha256(XMMRegister msg, XMMRegister state0, XMMRegister state1, XMMRegister msgtmp0, 1000 XMMRegister msgtmp1, XMMRegister msgtmp2, XMMRegister msgtmp3, XMMRegister msgtmp4, 1001 Register buf, Register state, Register ofs, Register limit, Register rsp, 1002 bool multi_block); 1003 #endif 1004 1005 void fast_exp(XMMRegister xmm0, XMMRegister xmm1, XMMRegister xmm2, XMMRegister xmm3, 1006 XMMRegister xmm4, XMMRegister xmm5, XMMRegister xmm6, XMMRegister xmm7, 1007 Register rax, Register rcx, Register rdx, Register tmp); 1008 1009 #ifdef _LP64 1010 void fast_log(XMMRegister xmm0, XMMRegister xmm1, XMMRegister xmm2, XMMRegister xmm3, 1011 XMMRegister xmm4, XMMRegister xmm5, XMMRegister xmm6, XMMRegister xmm7, 1012 Register rax, Register rcx, Register rdx, Register tmp1, Register tmp2); 1013 1014 void fast_log10(XMMRegister xmm0, XMMRegister xmm1, XMMRegister xmm2, XMMRegister xmm3, 1015 XMMRegister xmm4, XMMRegister xmm5, XMMRegister xmm6, XMMRegister xmm7, 1016 Register rax, Register rcx, Register rdx, Register r11); 1017 1018 void fast_pow(XMMRegister xmm0, XMMRegister xmm1, XMMRegister xmm2, XMMRegister xmm3, XMMRegister xmm4, 1019 XMMRegister xmm5, XMMRegister xmm6, XMMRegister xmm7, Register rax, Register rcx, 1020 Register rdx, Register tmp1, Register tmp2, Register tmp3, Register tmp4); 1021 1022 void fast_sin(XMMRegister xmm0, XMMRegister xmm1, XMMRegister xmm2, XMMRegister xmm3, 1023 XMMRegister xmm4, XMMRegister xmm5, XMMRegister xmm6, XMMRegister xmm7, 1024 Register rax, Register rbx, Register rcx, Register rdx, Register tmp1, Register tmp2, 1025 Register tmp3, Register tmp4); 1026 1027 void fast_cos(XMMRegister xmm0, XMMRegister xmm1, XMMRegister xmm2, XMMRegister xmm3, 1028 XMMRegister xmm4, XMMRegister xmm5, XMMRegister xmm6, XMMRegister xmm7, 1029 Register rax, Register rcx, Register rdx, Register tmp1, 1030 Register tmp2, Register tmp3, Register tmp4); 1031 void fast_tan(XMMRegister xmm0, XMMRegister xmm1, XMMRegister xmm2, XMMRegister xmm3, 1032 XMMRegister xmm4, XMMRegister xmm5, XMMRegister xmm6, XMMRegister xmm7, 1033 Register rax, Register rcx, Register rdx, Register tmp1, 1034 Register tmp2, Register tmp3, Register tmp4); 1035 #else 1036 void fast_log(XMMRegister xmm0, XMMRegister xmm1, XMMRegister xmm2, XMMRegister xmm3, 1037 XMMRegister xmm4, XMMRegister xmm5, XMMRegister xmm6, XMMRegister xmm7, 1038 Register rax, Register rcx, Register rdx, Register tmp1); 1039 1040 void fast_log10(XMMRegister xmm0, XMMRegister xmm1, XMMRegister xmm2, XMMRegister xmm3, 1041 XMMRegister xmm4, XMMRegister xmm5, XMMRegister xmm6, XMMRegister xmm7, 1042 Register rax, Register rcx, Register rdx, Register tmp); 1043 1044 void fast_pow(XMMRegister xmm0, XMMRegister xmm1, XMMRegister xmm2, XMMRegister xmm3, XMMRegister xmm4, 1045 XMMRegister xmm5, XMMRegister xmm6, XMMRegister xmm7, Register rax, Register rcx, 1046 Register rdx, Register tmp); 1047 1048 void fast_sin(XMMRegister xmm0, XMMRegister xmm1, XMMRegister xmm2, XMMRegister xmm3, 1049 XMMRegister xmm4, XMMRegister xmm5, XMMRegister xmm6, XMMRegister xmm7, 1050 Register rax, Register rbx, Register rdx); 1051 1052 void fast_cos(XMMRegister xmm0, XMMRegister xmm1, XMMRegister xmm2, XMMRegister xmm3, 1053 XMMRegister xmm4, XMMRegister xmm5, XMMRegister xmm6, XMMRegister xmm7, 1054 Register rax, Register rcx, Register rdx, Register tmp); 1055 1056 void libm_sincos_huge(XMMRegister xmm0, XMMRegister xmm1, Register eax, Register ecx, 1057 Register edx, Register ebx, Register esi, Register edi, 1058 Register ebp, Register esp); 1059 1060 void libm_reduce_pi04l(Register eax, Register ecx, Register edx, Register ebx, 1061 Register esi, Register edi, Register ebp, Register esp); 1062 1063 void libm_tancot_huge(XMMRegister xmm0, XMMRegister xmm1, Register eax, Register ecx, 1064 Register edx, Register ebx, Register esi, Register edi, 1065 Register ebp, Register esp); 1066 1067 void fast_tan(XMMRegister xmm0, XMMRegister xmm1, XMMRegister xmm2, XMMRegister xmm3, 1068 XMMRegister xmm4, XMMRegister xmm5, XMMRegister xmm6, XMMRegister xmm7, 1069 Register rax, Register rcx, Register rdx, Register tmp); 1070 #endif 1071 1072 void increase_precision(); 1073 void restore_precision(); 1074 1075 private: 1076 1077 // these are private because users should be doing movflt/movdbl 1078 1079 void movss(Address dst, XMMRegister src) { Assembler::movss(dst, src); } 1080 void movss(XMMRegister dst, XMMRegister src) { Assembler::movss(dst, src); } 1081 void movss(XMMRegister dst, Address src) { Assembler::movss(dst, src); } 1082 void movss(XMMRegister dst, AddressLiteral src); 1083 1084 void movlpd(XMMRegister dst, Address src) {Assembler::movlpd(dst, src); } 1085 void movlpd(XMMRegister dst, AddressLiteral src); 1086 1087 public: 1088 1089 void addsd(XMMRegister dst, XMMRegister src) { Assembler::addsd(dst, src); } 1090 void addsd(XMMRegister dst, Address src) { Assembler::addsd(dst, src); } 1091 void addsd(XMMRegister dst, AddressLiteral src); 1092 1093 void addss(XMMRegister dst, XMMRegister src) { Assembler::addss(dst, src); } 1094 void addss(XMMRegister dst, Address src) { Assembler::addss(dst, src); } 1095 void addss(XMMRegister dst, AddressLiteral src); 1096 1097 void addpd(XMMRegister dst, XMMRegister src) { Assembler::addpd(dst, src); } 1098 void addpd(XMMRegister dst, Address src) { Assembler::addpd(dst, src); } 1099 void addpd(XMMRegister dst, AddressLiteral src); 1100 1101 void divsd(XMMRegister dst, XMMRegister src) { Assembler::divsd(dst, src); } 1102 void divsd(XMMRegister dst, Address src) { Assembler::divsd(dst, src); } 1103 void divsd(XMMRegister dst, AddressLiteral src); 1104 1105 void divss(XMMRegister dst, XMMRegister src) { Assembler::divss(dst, src); } 1106 void divss(XMMRegister dst, Address src) { Assembler::divss(dst, src); } 1107 void divss(XMMRegister dst, AddressLiteral src); 1108 1109 // Move Unaligned Double Quadword 1110 void movdqu(Address dst, XMMRegister src); 1111 void movdqu(XMMRegister dst, Address src); 1112 void movdqu(XMMRegister dst, XMMRegister src); 1113 void movdqu(XMMRegister dst, AddressLiteral src, Register scratchReg = rscratch1); 1114 // AVX Unaligned forms 1115 void vmovdqu(Address dst, XMMRegister src); 1116 void vmovdqu(XMMRegister dst, Address src); 1117 void vmovdqu(XMMRegister dst, XMMRegister src); 1118 void vmovdqu(XMMRegister dst, AddressLiteral src); 1119 1120 // Move Aligned Double Quadword 1121 void movdqa(XMMRegister dst, Address src) { Assembler::movdqa(dst, src); } 1122 void movdqa(XMMRegister dst, XMMRegister src) { Assembler::movdqa(dst, src); } 1123 void movdqa(XMMRegister dst, AddressLiteral src); 1124 1125 void movsd(XMMRegister dst, XMMRegister src) { Assembler::movsd(dst, src); } 1126 void movsd(Address dst, XMMRegister src) { Assembler::movsd(dst, src); } 1127 void movsd(XMMRegister dst, Address src) { Assembler::movsd(dst, src); } 1128 void movsd(XMMRegister dst, AddressLiteral src); 1129 1130 void mulpd(XMMRegister dst, XMMRegister src) { Assembler::mulpd(dst, src); } 1131 void mulpd(XMMRegister dst, Address src) { Assembler::mulpd(dst, src); } 1132 void mulpd(XMMRegister dst, AddressLiteral src); 1133 1134 void mulsd(XMMRegister dst, XMMRegister src) { Assembler::mulsd(dst, src); } 1135 void mulsd(XMMRegister dst, Address src) { Assembler::mulsd(dst, src); } 1136 void mulsd(XMMRegister dst, AddressLiteral src); 1137 1138 void mulss(XMMRegister dst, XMMRegister src) { Assembler::mulss(dst, src); } 1139 void mulss(XMMRegister dst, Address src) { Assembler::mulss(dst, src); } 1140 void mulss(XMMRegister dst, AddressLiteral src); 1141 1142 // Carry-Less Multiplication Quadword 1143 void pclmulldq(XMMRegister dst, XMMRegister src) { 1144 // 0x00 - multiply lower 64 bits [0:63] 1145 Assembler::pclmulqdq(dst, src, 0x00); 1146 } 1147 void pclmulhdq(XMMRegister dst, XMMRegister src) { 1148 // 0x11 - multiply upper 64 bits [64:127] 1149 Assembler::pclmulqdq(dst, src, 0x11); 1150 } 1151 1152 void pcmpeqb(XMMRegister dst, XMMRegister src); 1153 void pcmpeqw(XMMRegister dst, XMMRegister src); 1154 1155 void pcmpestri(XMMRegister dst, Address src, int imm8); 1156 void pcmpestri(XMMRegister dst, XMMRegister src, int imm8); 1157 1158 void pmovzxbw(XMMRegister dst, XMMRegister src); 1159 void pmovzxbw(XMMRegister dst, Address src); 1160 1161 void pmovmskb(Register dst, XMMRegister src); 1162 1163 void ptest(XMMRegister dst, XMMRegister src); 1164 1165 void sqrtsd(XMMRegister dst, XMMRegister src) { Assembler::sqrtsd(dst, src); } 1166 void sqrtsd(XMMRegister dst, Address src) { Assembler::sqrtsd(dst, src); } 1167 void sqrtsd(XMMRegister dst, AddressLiteral src); 1168 1169 void sqrtss(XMMRegister dst, XMMRegister src) { Assembler::sqrtss(dst, src); } 1170 void sqrtss(XMMRegister dst, Address src) { Assembler::sqrtss(dst, src); } 1171 void sqrtss(XMMRegister dst, AddressLiteral src); 1172 1173 void subsd(XMMRegister dst, XMMRegister src) { Assembler::subsd(dst, src); } 1174 void subsd(XMMRegister dst, Address src) { Assembler::subsd(dst, src); } 1175 void subsd(XMMRegister dst, AddressLiteral src); 1176 1177 void subss(XMMRegister dst, XMMRegister src) { Assembler::subss(dst, src); } 1178 void subss(XMMRegister dst, Address src) { Assembler::subss(dst, src); } 1179 void subss(XMMRegister dst, AddressLiteral src); 1180 1181 void ucomiss(XMMRegister dst, XMMRegister src) { Assembler::ucomiss(dst, src); } 1182 void ucomiss(XMMRegister dst, Address src) { Assembler::ucomiss(dst, src); } 1183 void ucomiss(XMMRegister dst, AddressLiteral src); 1184 1185 void ucomisd(XMMRegister dst, XMMRegister src) { Assembler::ucomisd(dst, src); } 1186 void ucomisd(XMMRegister dst, Address src) { Assembler::ucomisd(dst, src); } 1187 void ucomisd(XMMRegister dst, AddressLiteral src); 1188 1189 // Bitwise Logical XOR of Packed Double-Precision Floating-Point Values 1190 void xorpd(XMMRegister dst, XMMRegister src); 1191 void xorpd(XMMRegister dst, Address src) { Assembler::xorpd(dst, src); } 1192 void xorpd(XMMRegister dst, AddressLiteral src); 1193 1194 // Bitwise Logical XOR of Packed Single-Precision Floating-Point Values 1195 void xorps(XMMRegister dst, XMMRegister src); 1196 void xorps(XMMRegister dst, Address src) { Assembler::xorps(dst, src); } 1197 void xorps(XMMRegister dst, AddressLiteral src); 1198 1199 // Shuffle Bytes 1200 void pshufb(XMMRegister dst, XMMRegister src) { Assembler::pshufb(dst, src); } 1201 void pshufb(XMMRegister dst, Address src) { Assembler::pshufb(dst, src); } 1202 void pshufb(XMMRegister dst, AddressLiteral src); 1203 // AVX 3-operands instructions 1204 1205 void vaddsd(XMMRegister dst, XMMRegister nds, XMMRegister src) { Assembler::vaddsd(dst, nds, src); } 1206 void vaddsd(XMMRegister dst, XMMRegister nds, Address src) { Assembler::vaddsd(dst, nds, src); } 1207 void vaddsd(XMMRegister dst, XMMRegister nds, AddressLiteral src); 1208 1209 void vaddss(XMMRegister dst, XMMRegister nds, XMMRegister src) { Assembler::vaddss(dst, nds, src); } 1210 void vaddss(XMMRegister dst, XMMRegister nds, Address src) { Assembler::vaddss(dst, nds, src); } 1211 void vaddss(XMMRegister dst, XMMRegister nds, AddressLiteral src); 1212 1213 void vabsss(XMMRegister dst, XMMRegister nds, XMMRegister src, AddressLiteral negate_field, int vector_len); 1214 void vabssd(XMMRegister dst, XMMRegister nds, XMMRegister src, AddressLiteral negate_field, int vector_len); 1215 1216 void vpaddb(XMMRegister dst, XMMRegister nds, XMMRegister src, int vector_len); 1217 void vpaddb(XMMRegister dst, XMMRegister nds, Address src, int vector_len); 1218 1219 void vpaddw(XMMRegister dst, XMMRegister nds, XMMRegister src, int vector_len); 1220 void vpaddw(XMMRegister dst, XMMRegister nds, Address src, int vector_len); 1221 1222 void vpand(XMMRegister dst, XMMRegister nds, XMMRegister src, int vector_len) { Assembler::vpand(dst, nds, src, vector_len); } 1223 void vpand(XMMRegister dst, XMMRegister nds, Address src, int vector_len) { Assembler::vpand(dst, nds, src, vector_len); } 1224 void vpand(XMMRegister dst, XMMRegister nds, AddressLiteral src, int vector_len); 1225 1226 void vpbroadcastw(XMMRegister dst, XMMRegister src); 1227 1228 void vpcmpeqb(XMMRegister dst, XMMRegister nds, XMMRegister src, int vector_len); 1229 void vpcmpeqw(XMMRegister dst, XMMRegister nds, XMMRegister src, int vector_len); 1230 1231 void vpmovzxbw(XMMRegister dst, Address src, int vector_len); 1232 void vpmovmskb(Register dst, XMMRegister src); 1233 1234 void vpmullw(XMMRegister dst, XMMRegister nds, XMMRegister src, int vector_len); 1235 void vpmullw(XMMRegister dst, XMMRegister nds, Address src, int vector_len); 1236 1237 void vpsubb(XMMRegister dst, XMMRegister nds, XMMRegister src, int vector_len); 1238 void vpsubb(XMMRegister dst, XMMRegister nds, Address src, int vector_len); 1239 1240 void vpsubw(XMMRegister dst, XMMRegister nds, XMMRegister src, int vector_len); 1241 void vpsubw(XMMRegister dst, XMMRegister nds, Address src, int vector_len); 1242 1243 void vpsraw(XMMRegister dst, XMMRegister nds, XMMRegister shift, int vector_len); 1244 void vpsraw(XMMRegister dst, XMMRegister nds, int shift, int vector_len); 1245 1246 void vpsrlw(XMMRegister dst, XMMRegister nds, XMMRegister shift, int vector_len); 1247 void vpsrlw(XMMRegister dst, XMMRegister nds, int shift, int vector_len); 1248 1249 void vpsllw(XMMRegister dst, XMMRegister nds, XMMRegister shift, int vector_len); 1250 void vpsllw(XMMRegister dst, XMMRegister nds, int shift, int vector_len); 1251 1252 void vptest(XMMRegister dst, XMMRegister src); 1253 1254 void punpcklbw(XMMRegister dst, XMMRegister src); 1255 void punpcklbw(XMMRegister dst, Address src) { Assembler::punpcklbw(dst, src); } 1256 1257 void pshufd(XMMRegister dst, Address src, int mode); 1258 void pshufd(XMMRegister dst, XMMRegister src, int mode) { Assembler::pshufd(dst, src, mode); } 1259 1260 void pshuflw(XMMRegister dst, XMMRegister src, int mode); 1261 void pshuflw(XMMRegister dst, Address src, int mode) { Assembler::pshuflw(dst, src, mode); } 1262 1263 void vandpd(XMMRegister dst, XMMRegister nds, XMMRegister src, int vector_len) { Assembler::vandpd(dst, nds, src, vector_len); } 1264 void vandpd(XMMRegister dst, XMMRegister nds, Address src, int vector_len) { Assembler::vandpd(dst, nds, src, vector_len); } 1265 void vandpd(XMMRegister dst, XMMRegister nds, AddressLiteral src, int vector_len); 1266 1267 void vandps(XMMRegister dst, XMMRegister nds, XMMRegister src, int vector_len) { Assembler::vandps(dst, nds, src, vector_len); } 1268 void vandps(XMMRegister dst, XMMRegister nds, Address src, int vector_len) { Assembler::vandps(dst, nds, src, vector_len); } 1269 void vandps(XMMRegister dst, XMMRegister nds, AddressLiteral src, int vector_len); 1270 1271 void vdivsd(XMMRegister dst, XMMRegister nds, XMMRegister src) { Assembler::vdivsd(dst, nds, src); } 1272 void vdivsd(XMMRegister dst, XMMRegister nds, Address src) { Assembler::vdivsd(dst, nds, src); } 1273 void vdivsd(XMMRegister dst, XMMRegister nds, AddressLiteral src); 1274 1275 void vdivss(XMMRegister dst, XMMRegister nds, XMMRegister src) { Assembler::vdivss(dst, nds, src); } 1276 void vdivss(XMMRegister dst, XMMRegister nds, Address src) { Assembler::vdivss(dst, nds, src); } 1277 void vdivss(XMMRegister dst, XMMRegister nds, AddressLiteral src); 1278 1279 void vmulsd(XMMRegister dst, XMMRegister nds, XMMRegister src) { Assembler::vmulsd(dst, nds, src); } 1280 void vmulsd(XMMRegister dst, XMMRegister nds, Address src) { Assembler::vmulsd(dst, nds, src); } 1281 void vmulsd(XMMRegister dst, XMMRegister nds, AddressLiteral src); 1282 1283 void vmulss(XMMRegister dst, XMMRegister nds, XMMRegister src) { Assembler::vmulss(dst, nds, src); } 1284 void vmulss(XMMRegister dst, XMMRegister nds, Address src) { Assembler::vmulss(dst, nds, src); } 1285 void vmulss(XMMRegister dst, XMMRegister nds, AddressLiteral src); 1286 1287 void vsubsd(XMMRegister dst, XMMRegister nds, XMMRegister src) { Assembler::vsubsd(dst, nds, src); } 1288 void vsubsd(XMMRegister dst, XMMRegister nds, Address src) { Assembler::vsubsd(dst, nds, src); } 1289 void vsubsd(XMMRegister dst, XMMRegister nds, AddressLiteral src); 1290 1291 void vsubss(XMMRegister dst, XMMRegister nds, XMMRegister src) { Assembler::vsubss(dst, nds, src); } 1292 void vsubss(XMMRegister dst, XMMRegister nds, Address src) { Assembler::vsubss(dst, nds, src); } 1293 void vsubss(XMMRegister dst, XMMRegister nds, AddressLiteral src); 1294 1295 void vnegatess(XMMRegister dst, XMMRegister nds, AddressLiteral src); 1296 void vnegatesd(XMMRegister dst, XMMRegister nds, AddressLiteral src); 1297 1298 // AVX Vector instructions 1299 1300 void vxorpd(XMMRegister dst, XMMRegister nds, XMMRegister src, int vector_len) { Assembler::vxorpd(dst, nds, src, vector_len); } 1301 void vxorpd(XMMRegister dst, XMMRegister nds, Address src, int vector_len) { Assembler::vxorpd(dst, nds, src, vector_len); } 1302 void vxorpd(XMMRegister dst, XMMRegister nds, AddressLiteral src, int vector_len); 1303 1304 void vxorps(XMMRegister dst, XMMRegister nds, XMMRegister src, int vector_len) { Assembler::vxorps(dst, nds, src, vector_len); } 1305 void vxorps(XMMRegister dst, XMMRegister nds, Address src, int vector_len) { Assembler::vxorps(dst, nds, src, vector_len); } 1306 void vxorps(XMMRegister dst, XMMRegister nds, AddressLiteral src, int vector_len); 1307 1308 void vpxor(XMMRegister dst, XMMRegister nds, XMMRegister src, int vector_len) { 1309 if (UseAVX > 1 || (vector_len < 1)) // vpxor 256 bit is available only in AVX2 1310 Assembler::vpxor(dst, nds, src, vector_len); 1311 else 1312 Assembler::vxorpd(dst, nds, src, vector_len); 1313 } 1314 void vpxor(XMMRegister dst, XMMRegister nds, Address src, int vector_len) { 1315 if (UseAVX > 1 || (vector_len < 1)) // vpxor 256 bit is available only in AVX2 1316 Assembler::vpxor(dst, nds, src, vector_len); 1317 else 1318 Assembler::vxorpd(dst, nds, src, vector_len); 1319 } 1320 1321 // Simple version for AVX2 256bit vectors 1322 void vpxor(XMMRegister dst, XMMRegister src) { Assembler::vpxor(dst, dst, src, true); } 1323 void vpxor(XMMRegister dst, Address src) { Assembler::vpxor(dst, dst, src, true); } 1324 1325 void vinserti128(XMMRegister dst, XMMRegister nds, XMMRegister src, uint8_t imm8) { 1326 if (UseAVX > 2) { 1327 Assembler::vinserti32x4(dst, dst, src, imm8); 1328 } else if (UseAVX > 1) { 1329 // vinserti128 is available only in AVX2 1330 Assembler::vinserti128(dst, nds, src, imm8); 1331 } else { 1332 Assembler::vinsertf128(dst, nds, src, imm8); 1333 } 1334 } 1335 1336 void vinserti128(XMMRegister dst, XMMRegister nds, Address src, uint8_t imm8) { 1337 if (UseAVX > 2) { 1338 Assembler::vinserti32x4(dst, dst, src, imm8); 1339 } else if (UseAVX > 1) { 1340 // vinserti128 is available only in AVX2 1341 Assembler::vinserti128(dst, nds, src, imm8); 1342 } else { 1343 Assembler::vinsertf128(dst, nds, src, imm8); 1344 } 1345 } 1346 1347 void vextracti128(XMMRegister dst, XMMRegister src, uint8_t imm8) { 1348 if (UseAVX > 2) { 1349 Assembler::vextracti32x4(dst, src, imm8); 1350 } else if (UseAVX > 1) { 1351 // vextracti128 is available only in AVX2 1352 Assembler::vextracti128(dst, src, imm8); 1353 } else { 1354 Assembler::vextractf128(dst, src, imm8); 1355 } 1356 } 1357 1358 void vextracti128(Address dst, XMMRegister src, uint8_t imm8) { 1359 if (UseAVX > 2) { 1360 Assembler::vextracti32x4(dst, src, imm8); 1361 } else if (UseAVX > 1) { 1362 // vextracti128 is available only in AVX2 1363 Assembler::vextracti128(dst, src, imm8); 1364 } else { 1365 Assembler::vextractf128(dst, src, imm8); 1366 } 1367 } 1368 1369 // 128bit copy to/from high 128 bits of 256bit (YMM) vector registers 1370 void vinserti128_high(XMMRegister dst, XMMRegister src) { 1371 vinserti128(dst, dst, src, 1); 1372 } 1373 void vinserti128_high(XMMRegister dst, Address src) { 1374 vinserti128(dst, dst, src, 1); 1375 } 1376 void vextracti128_high(XMMRegister dst, XMMRegister src) { 1377 vextracti128(dst, src, 1); 1378 } 1379 void vextracti128_high(Address dst, XMMRegister src) { 1380 vextracti128(dst, src, 1); 1381 } 1382 1383 void vinsertf128_high(XMMRegister dst, XMMRegister src) { 1384 if (UseAVX > 2) { 1385 Assembler::vinsertf32x4(dst, dst, src, 1); 1386 } else { 1387 Assembler::vinsertf128(dst, dst, src, 1); 1388 } 1389 } 1390 1391 void vinsertf128_high(XMMRegister dst, Address src) { 1392 if (UseAVX > 2) { 1393 Assembler::vinsertf32x4(dst, dst, src, 1); 1394 } else { 1395 Assembler::vinsertf128(dst, dst, src, 1); 1396 } 1397 } 1398 1399 void vextractf128_high(XMMRegister dst, XMMRegister src) { 1400 if (UseAVX > 2) { 1401 Assembler::vextractf32x4(dst, src, 1); 1402 } else { 1403 Assembler::vextractf128(dst, src, 1); 1404 } 1405 } 1406 1407 void vextractf128_high(Address dst, XMMRegister src) { 1408 if (UseAVX > 2) { 1409 Assembler::vextractf32x4(dst, src, 1); 1410 } else { 1411 Assembler::vextractf128(dst, src, 1); 1412 } 1413 } 1414 1415 // 256bit copy to/from high 256 bits of 512bit (ZMM) vector registers 1416 void vinserti64x4_high(XMMRegister dst, XMMRegister src) { 1417 Assembler::vinserti64x4(dst, dst, src, 1); 1418 } 1419 void vinsertf64x4_high(XMMRegister dst, XMMRegister src) { 1420 Assembler::vinsertf64x4(dst, dst, src, 1); 1421 } 1422 void vextracti64x4_high(XMMRegister dst, XMMRegister src) { 1423 Assembler::vextracti64x4(dst, src, 1); 1424 } 1425 void vextractf64x4_high(XMMRegister dst, XMMRegister src) { 1426 Assembler::vextractf64x4(dst, src, 1); 1427 } 1428 void vextractf64x4_high(Address dst, XMMRegister src) { 1429 Assembler::vextractf64x4(dst, src, 1); 1430 } 1431 void vinsertf64x4_high(XMMRegister dst, Address src) { 1432 Assembler::vinsertf64x4(dst, dst, src, 1); 1433 } 1434 1435 // 128bit copy to/from low 128 bits of 256bit (YMM) vector registers 1436 void vinserti128_low(XMMRegister dst, XMMRegister src) { 1437 vinserti128(dst, dst, src, 0); 1438 } 1439 void vinserti128_low(XMMRegister dst, Address src) { 1440 vinserti128(dst, dst, src, 0); 1441 } 1442 void vextracti128_low(XMMRegister dst, XMMRegister src) { 1443 vextracti128(dst, src, 0); 1444 } 1445 void vextracti128_low(Address dst, XMMRegister src) { 1446 vextracti128(dst, src, 0); 1447 } 1448 1449 void vinsertf128_low(XMMRegister dst, XMMRegister src) { 1450 if (UseAVX > 2) { 1451 Assembler::vinsertf32x4(dst, dst, src, 0); 1452 } else { 1453 Assembler::vinsertf128(dst, dst, src, 0); 1454 } 1455 } 1456 1457 void vinsertf128_low(XMMRegister dst, Address src) { 1458 if (UseAVX > 2) { 1459 Assembler::vinsertf32x4(dst, dst, src, 0); 1460 } else { 1461 Assembler::vinsertf128(dst, dst, src, 0); 1462 } 1463 } 1464 1465 void vextractf128_low(XMMRegister dst, XMMRegister src) { 1466 if (UseAVX > 2) { 1467 Assembler::vextractf32x4(dst, src, 0); 1468 } else { 1469 Assembler::vextractf128(dst, src, 0); 1470 } 1471 } 1472 1473 void vextractf128_low(Address dst, XMMRegister src) { 1474 if (UseAVX > 2) { 1475 Assembler::vextractf32x4(dst, src, 0); 1476 } else { 1477 Assembler::vextractf128(dst, src, 0); 1478 } 1479 } 1480 1481 // 256bit copy to/from low 256 bits of 512bit (ZMM) vector registers 1482 void vinserti64x4_low(XMMRegister dst, XMMRegister src) { 1483 Assembler::vinserti64x4(dst, dst, src, 0); 1484 } 1485 void vinsertf64x4_low(XMMRegister dst, XMMRegister src) { 1486 Assembler::vinsertf64x4(dst, dst, src, 0); 1487 } 1488 void vextracti64x4_low(XMMRegister dst, XMMRegister src) { 1489 Assembler::vextracti64x4(dst, src, 0); 1490 } 1491 void vextractf64x4_low(XMMRegister dst, XMMRegister src) { 1492 Assembler::vextractf64x4(dst, src, 0); 1493 } 1494 void vextractf64x4_low(Address dst, XMMRegister src) { 1495 Assembler::vextractf64x4(dst, src, 0); 1496 } 1497 void vinsertf64x4_low(XMMRegister dst, Address src) { 1498 Assembler::vinsertf64x4(dst, dst, src, 0); 1499 } 1500 1501 // Carry-Less Multiplication Quadword 1502 void vpclmulldq(XMMRegister dst, XMMRegister nds, XMMRegister src) { 1503 // 0x00 - multiply lower 64 bits [0:63] 1504 Assembler::vpclmulqdq(dst, nds, src, 0x00); 1505 } 1506 void vpclmulhdq(XMMRegister dst, XMMRegister nds, XMMRegister src) { 1507 // 0x11 - multiply upper 64 bits [64:127] 1508 Assembler::vpclmulqdq(dst, nds, src, 0x11); 1509 } 1510 1511 // Data 1512 1513 void cmov32( Condition cc, Register dst, Address src); 1514 void cmov32( Condition cc, Register dst, Register src); 1515 1516 void cmov( Condition cc, Register dst, Register src) { cmovptr(cc, dst, src); } 1517 1518 void cmovptr(Condition cc, Register dst, Address src) { LP64_ONLY(cmovq(cc, dst, src)) NOT_LP64(cmov32(cc, dst, src)); } 1519 void cmovptr(Condition cc, Register dst, Register src) { LP64_ONLY(cmovq(cc, dst, src)) NOT_LP64(cmov32(cc, dst, src)); } 1520 1521 void movoop(Register dst, jobject obj); 1522 void movoop(Address dst, jobject obj); 1523 1524 void mov_metadata(Register dst, Metadata* obj); 1525 void mov_metadata(Address dst, Metadata* obj); 1526 1527 void movptr(ArrayAddress dst, Register src); 1528 // can this do an lea? 1529 void movptr(Register dst, ArrayAddress src); 1530 1531 void movptr(Register dst, Address src); 1532 1533 #ifdef _LP64 1534 void movptr(Register dst, AddressLiteral src, Register scratch=rscratch1); 1535 #else 1536 void movptr(Register dst, AddressLiteral src, Register scratch=noreg); // Scratch reg is ignored in 32-bit 1537 #endif 1538 1539 void movptr(Register dst, intptr_t src); 1540 void movptr(Register dst, Register src); 1541 void movptr(Address dst, intptr_t src); 1542 1543 void movptr(Address dst, Register src); 1544 1545 void movptr(Register dst, RegisterOrConstant src) { 1546 if (src.is_constant()) movptr(dst, src.as_constant()); 1547 else movptr(dst, src.as_register()); 1548 } 1549 1550 #ifdef _LP64 1551 // Generally the next two are only used for moving NULL 1552 // Although there are situations in initializing the mark word where 1553 // they could be used. They are dangerous. 1554 1555 // They only exist on LP64 so that int32_t and intptr_t are not the same 1556 // and we have ambiguous declarations. 1557 1558 void movptr(Address dst, int32_t imm32); 1559 void movptr(Register dst, int32_t imm32); 1560 #endif // _LP64 1561 1562 // to avoid hiding movl 1563 void mov32(AddressLiteral dst, Register src); 1564 void mov32(Register dst, AddressLiteral src); 1565 1566 // to avoid hiding movb 1567 void movbyte(ArrayAddress dst, int src); 1568 1569 // Import other mov() methods from the parent class or else 1570 // they will be hidden by the following overriding declaration. 1571 using Assembler::movdl; 1572 using Assembler::movq; 1573 void movdl(XMMRegister dst, AddressLiteral src); 1574 void movq(XMMRegister dst, AddressLiteral src); 1575 1576 // Can push value or effective address 1577 void pushptr(AddressLiteral src); 1578 1579 void pushptr(Address src) { LP64_ONLY(pushq(src)) NOT_LP64(pushl(src)); } 1580 void popptr(Address src) { LP64_ONLY(popq(src)) NOT_LP64(popl(src)); } 1581 1582 void pushoop(jobject obj); 1583 void pushklass(Metadata* obj); 1584 1585 // sign extend as need a l to ptr sized element 1586 void movl2ptr(Register dst, Address src) { LP64_ONLY(movslq(dst, src)) NOT_LP64(movl(dst, src)); } 1587 void movl2ptr(Register dst, Register src) { LP64_ONLY(movslq(dst, src)) NOT_LP64(if (dst != src) movl(dst, src)); } 1588 1589 // C2 compiled method's prolog code. 1590 void verified_entry(int framesize, int stack_bang_size, bool fp_mode_24b); 1591 1592 // clear memory of size 'cnt' qwords, starting at 'base'; 1593 // if 'is_large' is set, do not try to produce short loop 1594 void clear_mem(Register base, Register cnt, Register rtmp, bool is_large); 1595 1596 #ifdef COMPILER2 1597 void string_indexof_char(Register str1, Register cnt1, Register ch, Register result, 1598 XMMRegister vec1, XMMRegister vec2, XMMRegister vec3, Register tmp); 1599 1600 // IndexOf strings. 1601 // Small strings are loaded through stack if they cross page boundary. 1602 void string_indexof(Register str1, Register str2, 1603 Register cnt1, Register cnt2, 1604 int int_cnt2, Register result, 1605 XMMRegister vec, Register tmp, 1606 int ae); 1607 1608 // IndexOf for constant substrings with size >= 8 elements 1609 // which don't need to be loaded through stack. 1610 void string_indexofC8(Register str1, Register str2, 1611 Register cnt1, Register cnt2, 1612 int int_cnt2, Register result, 1613 XMMRegister vec, Register tmp, 1614 int ae); 1615 1616 // Smallest code: we don't need to load through stack, 1617 // check string tail. 1618 1619 // helper function for string_compare 1620 void load_next_elements(Register elem1, Register elem2, Register str1, Register str2, 1621 Address::ScaleFactor scale, Address::ScaleFactor scale1, 1622 Address::ScaleFactor scale2, Register index, int ae); 1623 // Compare strings. 1624 void string_compare(Register str1, Register str2, 1625 Register cnt1, Register cnt2, Register result, 1626 XMMRegister vec1, int ae); 1627 1628 // Search for Non-ASCII character (Negative byte value) in a byte array, 1629 // return true if it has any and false otherwise. 1630 void has_negatives(Register ary1, Register len, 1631 Register result, Register tmp1, 1632 XMMRegister vec1, XMMRegister vec2); 1633 1634 // Compare char[] or byte[] arrays. 1635 void arrays_equals(bool is_array_equ, Register ary1, Register ary2, 1636 Register limit, Register result, Register chr, 1637 XMMRegister vec1, XMMRegister vec2, bool is_char); 1638 1639 #endif 1640 1641 // Fill primitive arrays 1642 void generate_fill(BasicType t, bool aligned, 1643 Register to, Register value, Register count, 1644 Register rtmp, XMMRegister xtmp); 1645 1646 void encode_iso_array(Register src, Register dst, Register len, 1647 XMMRegister tmp1, XMMRegister tmp2, XMMRegister tmp3, 1648 XMMRegister tmp4, Register tmp5, Register result); 1649 1650 #ifdef _LP64 1651 void add2_with_carry(Register dest_hi, Register dest_lo, Register src1, Register src2); 1652 void multiply_64_x_64_loop(Register x, Register xstart, Register x_xstart, 1653 Register y, Register y_idx, Register z, 1654 Register carry, Register product, 1655 Register idx, Register kdx); 1656 void multiply_add_128_x_128(Register x_xstart, Register y, Register z, 1657 Register yz_idx, Register idx, 1658 Register carry, Register product, int offset); 1659 void multiply_128_x_128_bmi2_loop(Register y, Register z, 1660 Register carry, Register carry2, 1661 Register idx, Register jdx, 1662 Register yz_idx1, Register yz_idx2, 1663 Register tmp, Register tmp3, Register tmp4); 1664 void multiply_128_x_128_loop(Register x_xstart, Register y, Register z, 1665 Register yz_idx, Register idx, Register jdx, 1666 Register carry, Register product, 1667 Register carry2); 1668 void multiply_to_len(Register x, Register xlen, Register y, Register ylen, Register z, Register zlen, 1669 Register tmp1, Register tmp2, Register tmp3, Register tmp4, Register tmp5); 1670 void square_rshift(Register x, Register len, Register z, Register tmp1, Register tmp3, 1671 Register tmp4, Register tmp5, Register rdxReg, Register raxReg); 1672 void multiply_add_64_bmi2(Register sum, Register op1, Register op2, Register carry, 1673 Register tmp2); 1674 void multiply_add_64(Register sum, Register op1, Register op2, Register carry, 1675 Register rdxReg, Register raxReg); 1676 void add_one_64(Register z, Register zlen, Register carry, Register tmp1); 1677 void lshift_by_1(Register x, Register len, Register z, Register zlen, Register tmp1, Register tmp2, 1678 Register tmp3, Register tmp4); 1679 void square_to_len(Register x, Register len, Register z, Register zlen, Register tmp1, Register tmp2, 1680 Register tmp3, Register tmp4, Register tmp5, Register rdxReg, Register raxReg); 1681 1682 void mul_add_128_x_32_loop(Register out, Register in, Register offset, Register len, Register tmp1, 1683 Register tmp2, Register tmp3, Register tmp4, Register tmp5, Register rdxReg, 1684 Register raxReg); 1685 void mul_add(Register out, Register in, Register offset, Register len, Register k, Register tmp1, 1686 Register tmp2, Register tmp3, Register tmp4, Register tmp5, Register rdxReg, 1687 Register raxReg); 1688 void vectorized_mismatch(Register obja, Register objb, Register length, Register log2_array_indxscale, 1689 Register result, Register tmp1, Register tmp2, 1690 XMMRegister vec1, XMMRegister vec2, XMMRegister vec3); 1691 #endif 1692 1693 // CRC32 code for java.util.zip.CRC32::updateBytes() intrinsic. 1694 void update_byte_crc32(Register crc, Register val, Register table); 1695 void kernel_crc32(Register crc, Register buf, Register len, Register table, Register tmp); 1696 // CRC32C code for java.util.zip.CRC32C::updateBytes() intrinsic 1697 // Note on a naming convention: 1698 // Prefix w = register only used on a Westmere+ architecture 1699 // Prefix n = register only used on a Nehalem architecture 1700 #ifdef _LP64 1701 void crc32c_ipl_alg4(Register in_out, uint32_t n, 1702 Register tmp1, Register tmp2, Register tmp3); 1703 #else 1704 void crc32c_ipl_alg4(Register in_out, uint32_t n, 1705 Register tmp1, Register tmp2, Register tmp3, 1706 XMMRegister xtmp1, XMMRegister xtmp2); 1707 #endif 1708 void crc32c_pclmulqdq(XMMRegister w_xtmp1, 1709 Register in_out, 1710 uint32_t const_or_pre_comp_const_index, bool is_pclmulqdq_supported, 1711 XMMRegister w_xtmp2, 1712 Register tmp1, 1713 Register n_tmp2, Register n_tmp3); 1714 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, 1715 XMMRegister w_xtmp1, XMMRegister w_xtmp2, XMMRegister w_xtmp3, 1716 Register tmp1, Register tmp2, 1717 Register n_tmp3); 1718 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, 1719 Register in_out1, Register in_out2, Register in_out3, 1720 Register tmp1, Register tmp2, Register tmp3, 1721 XMMRegister w_xtmp1, XMMRegister w_xtmp2, XMMRegister w_xtmp3, 1722 Register tmp4, Register tmp5, 1723 Register n_tmp6); 1724 void crc32c_ipl_alg2_alt2(Register in_out, Register in1, Register in2, 1725 Register tmp1, Register tmp2, Register tmp3, 1726 Register tmp4, Register tmp5, Register tmp6, 1727 XMMRegister w_xtmp1, XMMRegister w_xtmp2, XMMRegister w_xtmp3, 1728 bool is_pclmulqdq_supported); 1729 // Fold 128-bit data chunk 1730 void fold_128bit_crc32(XMMRegister xcrc, XMMRegister xK, XMMRegister xtmp, Register buf, int offset); 1731 void fold_128bit_crc32(XMMRegister xcrc, XMMRegister xK, XMMRegister xtmp, XMMRegister xbuf); 1732 // Fold 8-bit data 1733 void fold_8bit_crc32(Register crc, Register table, Register tmp); 1734 void fold_8bit_crc32(XMMRegister crc, Register table, XMMRegister xtmp, Register tmp); 1735 1736 // Compress char[] array to byte[]. 1737 void char_array_compress(Register src, Register dst, Register len, 1738 XMMRegister tmp1, XMMRegister tmp2, XMMRegister tmp3, 1739 XMMRegister tmp4, Register tmp5, Register result); 1740 1741 // Inflate byte[] array to char[]. 1742 void byte_array_inflate(Register src, Register dst, Register len, 1743 XMMRegister tmp1, Register tmp2); 1744 1745 }; 1746 1747 /** 1748 * class SkipIfEqual: 1749 * 1750 * Instantiating this class will result in assembly code being output that will 1751 * jump around any code emitted between the creation of the instance and it's 1752 * automatic destruction at the end of a scope block, depending on the value of 1753 * the flag passed to the constructor, which will be checked at run-time. 1754 */ 1755 class SkipIfEqual { 1756 private: 1757 MacroAssembler* _masm; 1758 Label _label; 1759 1760 public: 1761 SkipIfEqual(MacroAssembler*, const bool* flag_addr, bool value); 1762 ~SkipIfEqual(); 1763 }; 1764 1765 #endif // CPU_X86_VM_MACROASSEMBLER_X86_HPP