1 /* 2 * Copyright (c) 1997, 2016, 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 // These routines should emit JVMTI PopFrame and ForceEarlyReturn handling code. 75 // The implementation is only non-empty for the InterpreterMacroAssembler, 76 // as only the interpreter handles PopFrame and ForceEarlyReturn requests. 77 virtual void check_and_handle_popframe(Register java_thread); 78 virtual void check_and_handle_earlyret(Register java_thread); 79 80 void call_VM_helper(Register oop_result, address entry_point, int number_of_arguments, bool check_exceptions = true); 81 82 // helpers for FPU flag access 83 // tmp is a temporary register, if none is available use noreg 84 void save_rax (Register tmp); 85 void restore_rax(Register tmp); 86 87 public: 88 MacroAssembler(CodeBuffer* code) : Assembler(code) {} 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_leaf(address entry_point, 263 int number_of_arguments = 0); 264 void call_VM_leaf(address entry_point, 265 Register arg_1); 266 void call_VM_leaf(address entry_point, 267 Register arg_1, Register arg_2); 268 void call_VM_leaf(address entry_point, 269 Register arg_1, Register arg_2, Register arg_3); 270 271 // These always tightly bind to MacroAssembler::call_VM_leaf_base 272 // bypassing the virtual implementation 273 void super_call_VM_leaf(address entry_point); 274 void super_call_VM_leaf(address entry_point, Register arg_1); 275 void super_call_VM_leaf(address entry_point, Register arg_1, Register arg_2); 276 void super_call_VM_leaf(address entry_point, Register arg_1, Register arg_2, Register arg_3); 277 void super_call_VM_leaf(address entry_point, Register arg_1, Register arg_2, Register arg_3, Register arg_4); 278 279 // last Java Frame (fills frame anchor) 280 void set_last_Java_frame(Register thread, 281 Register last_java_sp, 282 Register last_java_fp, 283 address last_java_pc); 284 285 // thread in the default location (r15_thread on 64bit) 286 void set_last_Java_frame(Register last_java_sp, 287 Register last_java_fp, 288 address last_java_pc); 289 290 void reset_last_Java_frame(Register thread, bool clear_fp, bool clear_pc); 291 292 // thread in the default location (r15_thread on 64bit) 293 void reset_last_Java_frame(bool clear_fp, bool clear_pc); 294 295 // Stores 296 void store_check(Register obj); // store check for obj - register is destroyed afterwards 297 void store_check(Register obj, Address dst); // same as above, dst is exact store location (reg. is destroyed) 298 299 #if INCLUDE_ALL_GCS 300 301 void g1_write_barrier_pre(Register obj, 302 Register pre_val, 303 Register thread, 304 Register tmp, 305 bool tosca_live, 306 bool expand_call); 307 308 void g1_write_barrier_post(Register store_addr, 309 Register new_val, 310 Register thread, 311 Register tmp, 312 Register tmp2); 313 314 #endif // INCLUDE_ALL_GCS 315 316 // C 'boolean' to Java boolean: x == 0 ? 0 : 1 317 void c2bool(Register x); 318 319 // C++ bool manipulation 320 321 void movbool(Register dst, Address src); 322 void movbool(Address dst, bool boolconst); 323 void movbool(Address dst, Register src); 324 void testbool(Register dst); 325 326 // oop manipulations 327 void load_klass(Register dst, Register src); 328 void store_klass(Register dst, Register src); 329 330 void load_heap_oop(Register dst, Address src); 331 void load_heap_oop_not_null(Register dst, Address src); 332 void store_heap_oop(Address dst, Register src); 333 void cmp_heap_oop(Register src1, Address src2, Register tmp = noreg); 334 335 // Used for storing NULL. All other oop constants should be 336 // stored using routines that take a jobject. 337 void store_heap_oop_null(Address dst); 338 339 void load_prototype_header(Register dst, Register src); 340 341 #ifdef _LP64 342 void store_klass_gap(Register dst, Register src); 343 344 // This dummy is to prevent a call to store_heap_oop from 345 // converting a zero (like NULL) into a Register by giving 346 // the compiler two choices it can't resolve 347 348 void store_heap_oop(Address dst, void* dummy); 349 350 void encode_heap_oop(Register r); 351 void decode_heap_oop(Register r); 352 void encode_heap_oop_not_null(Register r); 353 void decode_heap_oop_not_null(Register r); 354 void encode_heap_oop_not_null(Register dst, Register src); 355 void decode_heap_oop_not_null(Register dst, Register src); 356 357 void set_narrow_oop(Register dst, jobject obj); 358 void set_narrow_oop(Address dst, jobject obj); 359 void cmp_narrow_oop(Register dst, jobject obj); 360 void cmp_narrow_oop(Address dst, jobject obj); 361 362 void encode_klass_not_null(Register r); 363 void decode_klass_not_null(Register r); 364 void encode_klass_not_null(Register dst, Register src); 365 void decode_klass_not_null(Register dst, Register src); 366 void set_narrow_klass(Register dst, Klass* k); 367 void set_narrow_klass(Address dst, Klass* k); 368 void cmp_narrow_klass(Register dst, Klass* k); 369 void cmp_narrow_klass(Address dst, Klass* k); 370 371 // Returns the byte size of the instructions generated by decode_klass_not_null() 372 // when compressed klass pointers are being used. 373 static int instr_size_for_decode_klass_not_null(); 374 375 // if heap base register is used - reinit it with the correct value 376 void reinit_heapbase(); 377 378 DEBUG_ONLY(void verify_heapbase(const char* msg);) 379 380 #endif // _LP64 381 382 // Int division/remainder for Java 383 // (as idivl, but checks for special case as described in JVM spec.) 384 // returns idivl instruction offset for implicit exception handling 385 int corrected_idivl(Register reg); 386 387 // Long division/remainder for Java 388 // (as idivq, but checks for special case as described in JVM spec.) 389 // returns idivq instruction offset for implicit exception handling 390 int corrected_idivq(Register reg); 391 392 void int3(); 393 394 // Long operation macros for a 32bit cpu 395 // Long negation for Java 396 void lneg(Register hi, Register lo); 397 398 // Long multiplication for Java 399 // (destroys contents of eax, ebx, ecx and edx) 400 void lmul(int x_rsp_offset, int y_rsp_offset); // rdx:rax = x * y 401 402 // Long shifts for Java 403 // (semantics as described in JVM spec.) 404 void lshl(Register hi, Register lo); // hi:lo << (rcx & 0x3f) 405 void lshr(Register hi, Register lo, bool sign_extension = false); // hi:lo >> (rcx & 0x3f) 406 407 // Long compare for Java 408 // (semantics as described in JVM spec.) 409 void lcmp2int(Register x_hi, Register x_lo, Register y_hi, Register y_lo); // x_hi = lcmp(x, y) 410 411 412 // misc 413 414 // Sign extension 415 void sign_extend_short(Register reg); 416 void sign_extend_byte(Register reg); 417 418 // Division by power of 2, rounding towards 0 419 void division_with_shift(Register reg, int shift_value); 420 421 // Compares the top-most stack entries on the FPU stack and sets the eflags as follows: 422 // 423 // CF (corresponds to C0) if x < y 424 // PF (corresponds to C2) if unordered 425 // ZF (corresponds to C3) if x = y 426 // 427 // The arguments are in reversed order on the stack (i.e., top of stack is first argument). 428 // tmp is a temporary register, if none is available use noreg (only matters for non-P6 code) 429 void fcmp(Register tmp); 430 // Variant of the above which allows y to be further down the stack 431 // and which only pops x and y if specified. If pop_right is 432 // specified then pop_left must also be specified. 433 void fcmp(Register tmp, int index, bool pop_left, bool pop_right); 434 435 // Floating-point comparison for Java 436 // Compares the top-most stack entries on the FPU stack and stores the result in dst. 437 // The arguments are in reversed order on the stack (i.e., top of stack is first argument). 438 // (semantics as described in JVM spec.) 439 void fcmp2int(Register dst, bool unordered_is_less); 440 // Variant of the above which allows y to be further down the stack 441 // and which only pops x and y if specified. If pop_right is 442 // specified then pop_left must also be specified. 443 void fcmp2int(Register dst, bool unordered_is_less, int index, bool pop_left, bool pop_right); 444 445 // Floating-point remainder for Java (ST0 = ST0 fremr ST1, ST1 is empty afterwards) 446 // tmp is a temporary register, if none is available use noreg 447 void fremr(Register tmp); 448 449 450 // same as fcmp2int, but using SSE2 451 void cmpss2int(XMMRegister opr1, XMMRegister opr2, Register dst, bool unordered_is_less); 452 void cmpsd2int(XMMRegister opr1, XMMRegister opr2, Register dst, bool unordered_is_less); 453 454 // Inlined sin/cos generator for Java; must not use CPU instruction 455 // directly on Intel as it does not have high enough precision 456 // outside of the range [-pi/4, pi/4]. Extra argument indicate the 457 // number of FPU stack slots in use; all but the topmost will 458 // require saving if a slow case is necessary. Assumes argument is 459 // on FP TOS; result is on FP TOS. No cpu registers are changed by 460 // this code. 461 void trigfunc(char trig, int num_fpu_regs_in_use = 1); 462 463 // branch to L if FPU flag C2 is set/not set 464 // tmp is a temporary register, if none is available use noreg 465 void jC2 (Register tmp, Label& L); 466 void jnC2(Register tmp, Label& L); 467 468 // Pop ST (ffree & fincstp combined) 469 void fpop(); 470 471 // Load float value from 'address'. If UseSSE >= 1, the value is loaded into 472 // register xmm0. Otherwise, the value is loaded onto the FPU stack. 473 void load_float(Address src); 474 475 // Store float value to 'address'. If UseSSE >= 1, the value is stored 476 // from register xmm0. Otherwise, the value is stored from the FPU stack. 477 void store_float(Address dst); 478 479 // Load double value from 'address'. If UseSSE >= 2, the value is loaded into 480 // register xmm0. Otherwise, the value is loaded onto the FPU stack. 481 void load_double(Address src); 482 483 // Store double value to 'address'. If UseSSE >= 2, the value is stored 484 // from register xmm0. Otherwise, the value is stored from the FPU stack. 485 void store_double(Address dst); 486 487 // pushes double TOS element of FPU stack on CPU stack; pops from FPU stack 488 void push_fTOS(); 489 490 // pops double TOS element from CPU stack and pushes on FPU stack 491 void pop_fTOS(); 492 493 void empty_FPU_stack(); 494 495 void push_IU_state(); 496 void pop_IU_state(); 497 498 void push_FPU_state(); 499 void pop_FPU_state(); 500 501 void push_CPU_state(); 502 void pop_CPU_state(); 503 504 // Round up to a power of two 505 void round_to(Register reg, int modulus); 506 507 // Callee saved registers handling 508 void push_callee_saved_registers(); 509 void pop_callee_saved_registers(); 510 511 // allocation 512 void eden_allocate( 513 Register obj, // result: pointer to object after successful allocation 514 Register var_size_in_bytes, // object size in bytes if unknown at compile time; invalid otherwise 515 int con_size_in_bytes, // object size in bytes if known at compile time 516 Register t1, // temp register 517 Label& slow_case // continuation point if fast allocation fails 518 ); 519 void tlab_allocate( 520 Register obj, // result: pointer to object after successful allocation 521 Register var_size_in_bytes, // object size in bytes if unknown at compile time; invalid otherwise 522 int con_size_in_bytes, // object size in bytes if known at compile time 523 Register t1, // temp register 524 Register t2, // temp register 525 Label& slow_case // continuation point if fast allocation fails 526 ); 527 Register tlab_refill(Label& retry_tlab, Label& try_eden, Label& slow_case); // returns TLS address 528 void zero_memory(Register address, Register length_in_bytes, int offset_in_bytes, Register temp); 529 530 void incr_allocated_bytes(Register thread, 531 Register var_size_in_bytes, int con_size_in_bytes, 532 Register t1 = noreg); 533 534 // interface method calling 535 void lookup_interface_method(Register recv_klass, 536 Register intf_klass, 537 RegisterOrConstant itable_index, 538 Register method_result, 539 Register scan_temp, 540 Label& no_such_interface); 541 542 // virtual method calling 543 void lookup_virtual_method(Register recv_klass, 544 RegisterOrConstant vtable_index, 545 Register method_result); 546 547 // Test sub_klass against super_klass, with fast and slow paths. 548 549 // The fast path produces a tri-state answer: yes / no / maybe-slow. 550 // One of the three labels can be NULL, meaning take the fall-through. 551 // If super_check_offset is -1, the value is loaded up from super_klass. 552 // No registers are killed, except temp_reg. 553 void check_klass_subtype_fast_path(Register sub_klass, 554 Register super_klass, 555 Register temp_reg, 556 Label* L_success, 557 Label* L_failure, 558 Label* L_slow_path, 559 RegisterOrConstant super_check_offset = RegisterOrConstant(-1)); 560 561 // The rest of the type check; must be wired to a corresponding fast path. 562 // It does not repeat the fast path logic, so don't use it standalone. 563 // The temp_reg and temp2_reg can be noreg, if no temps are available. 564 // Updates the sub's secondary super cache as necessary. 565 // If set_cond_codes, condition codes will be Z on success, NZ on failure. 566 void check_klass_subtype_slow_path(Register sub_klass, 567 Register super_klass, 568 Register temp_reg, 569 Register temp2_reg, 570 Label* L_success, 571 Label* L_failure, 572 bool set_cond_codes = false); 573 574 // Simplified, combined version, good for typical uses. 575 // Falls through on failure. 576 void check_klass_subtype(Register sub_klass, 577 Register super_klass, 578 Register temp_reg, 579 Label& L_success); 580 581 // method handles (JSR 292) 582 Address argument_address(RegisterOrConstant arg_slot, int extra_slot_offset = 0); 583 584 //---- 585 void set_word_if_not_zero(Register reg); // sets reg to 1 if not zero, otherwise 0 586 587 // Debugging 588 589 // only if +VerifyOops 590 // TODO: Make these macros with file and line like sparc version! 591 void verify_oop(Register reg, const char* s = "broken oop"); 592 void verify_oop_addr(Address addr, const char * s = "broken oop addr"); 593 594 // TODO: verify method and klass metadata (compare against vptr?) 595 void _verify_method_ptr(Register reg, const char * msg, const char * file, int line) {} 596 void _verify_klass_ptr(Register reg, const char * msg, const char * file, int line){} 597 598 #define verify_method_ptr(reg) _verify_method_ptr(reg, "broken method " #reg, __FILE__, __LINE__) 599 #define verify_klass_ptr(reg) _verify_klass_ptr(reg, "broken klass " #reg, __FILE__, __LINE__) 600 601 // only if +VerifyFPU 602 void verify_FPU(int stack_depth, const char* s = "illegal FPU state"); 603 604 // Verify or restore cpu control state after JNI call 605 void restore_cpu_control_state_after_jni(); 606 607 // prints msg, dumps registers and stops execution 608 void stop(const char* msg); 609 610 // prints msg and continues 611 void warn(const char* msg); 612 613 // dumps registers and other state 614 void print_state(); 615 616 static void debug32(int rdi, int rsi, int rbp, int rsp, int rbx, int rdx, int rcx, int rax, int eip, char* msg); 617 static void debug64(char* msg, int64_t pc, int64_t regs[]); 618 static void print_state32(int rdi, int rsi, int rbp, int rsp, int rbx, int rdx, int rcx, int rax, int eip); 619 static void print_state64(int64_t pc, int64_t regs[]); 620 621 void os_breakpoint(); 622 623 void untested() { stop("untested"); } 624 625 void unimplemented(const char* what = "") { char* b = new char[1024]; jio_snprintf(b, 1024, "unimplemented: %s", what); stop(b); } 626 627 void should_not_reach_here() { stop("should not reach here"); } 628 629 void print_CPU_state(); 630 631 // Stack overflow checking 632 void bang_stack_with_offset(int offset) { 633 // stack grows down, caller passes positive offset 634 assert(offset > 0, "must bang with negative offset"); 635 movl(Address(rsp, (-offset)), rax); 636 } 637 638 // Writes to stack successive pages until offset reached to check for 639 // stack overflow + shadow pages. Also, clobbers tmp 640 void bang_stack_size(Register size, Register tmp); 641 642 // Check for reserved stack access in method being exited (for JIT) 643 void reserved_stack_check(); 644 645 virtual RegisterOrConstant delayed_value_impl(intptr_t* delayed_value_addr, 646 Register tmp, 647 int offset); 648 649 // Support for serializing memory accesses between threads 650 void serialize_memory(Register thread, Register tmp); 651 652 void verify_tlab(); 653 654 // Biased locking support 655 // lock_reg and obj_reg must be loaded up with the appropriate values. 656 // swap_reg must be rax, and is killed. 657 // tmp_reg is optional. If it is supplied (i.e., != noreg) it will 658 // be killed; if not supplied, push/pop will be used internally to 659 // allocate a temporary (inefficient, avoid if possible). 660 // Optional slow case is for implementations (interpreter and C1) which branch to 661 // slow case directly. Leaves condition codes set for C2's Fast_Lock node. 662 // Returns offset of first potentially-faulting instruction for null 663 // check info (currently consumed only by C1). If 664 // swap_reg_contains_mark is true then returns -1 as it is assumed 665 // the calling code has already passed any potential faults. 666 int biased_locking_enter(Register lock_reg, Register obj_reg, 667 Register swap_reg, Register tmp_reg, 668 bool swap_reg_contains_mark, 669 Label& done, Label* slow_case = NULL, 670 BiasedLockingCounters* counters = NULL); 671 void biased_locking_exit (Register obj_reg, Register temp_reg, Label& done); 672 #ifdef COMPILER2 673 // Code used by cmpFastLock and cmpFastUnlock mach instructions in .ad file. 674 // See full desription in macroAssembler_x86.cpp. 675 void fast_lock(Register obj, Register box, Register tmp, 676 Register scr, Register cx1, Register cx2, 677 BiasedLockingCounters* counters, 678 RTMLockingCounters* rtm_counters, 679 RTMLockingCounters* stack_rtm_counters, 680 Metadata* method_data, 681 bool use_rtm, bool profile_rtm); 682 void fast_unlock(Register obj, Register box, Register tmp, bool use_rtm); 683 #if INCLUDE_RTM_OPT 684 void rtm_counters_update(Register abort_status, Register rtm_counters); 685 void branch_on_random_using_rdtsc(Register tmp, Register scr, int count, Label& brLabel); 686 void rtm_abort_ratio_calculation(Register tmp, Register rtm_counters_reg, 687 RTMLockingCounters* rtm_counters, 688 Metadata* method_data); 689 void rtm_profiling(Register abort_status_Reg, Register rtm_counters_Reg, 690 RTMLockingCounters* rtm_counters, Metadata* method_data, bool profile_rtm); 691 void rtm_retry_lock_on_abort(Register retry_count, Register abort_status, Label& retryLabel); 692 void rtm_retry_lock_on_busy(Register retry_count, Register box, Register tmp, Register scr, Label& retryLabel); 693 void rtm_stack_locking(Register obj, Register tmp, Register scr, 694 Register retry_on_abort_count, 695 RTMLockingCounters* stack_rtm_counters, 696 Metadata* method_data, bool profile_rtm, 697 Label& DONE_LABEL, Label& IsInflated); 698 void rtm_inflated_locking(Register obj, Register box, Register tmp, 699 Register scr, Register retry_on_busy_count, 700 Register retry_on_abort_count, 701 RTMLockingCounters* rtm_counters, 702 Metadata* method_data, bool profile_rtm, 703 Label& DONE_LABEL); 704 #endif 705 #endif 706 707 Condition negate_condition(Condition cond); 708 709 // Instructions that use AddressLiteral operands. These instruction can handle 32bit/64bit 710 // operands. In general the names are modified to avoid hiding the instruction in Assembler 711 // so that we don't need to implement all the varieties in the Assembler with trivial wrappers 712 // here in MacroAssembler. The major exception to this rule is call 713 714 // Arithmetics 715 716 717 void addptr(Address dst, int32_t src) { LP64_ONLY(addq(dst, src)) NOT_LP64(addl(dst, src)) ; } 718 void addptr(Address dst, Register src); 719 720 void addptr(Register dst, Address src) { LP64_ONLY(addq(dst, src)) NOT_LP64(addl(dst, src)); } 721 void addptr(Register dst, int32_t src); 722 void addptr(Register dst, Register src); 723 void addptr(Register dst, RegisterOrConstant src) { 724 if (src.is_constant()) addptr(dst, (int) src.as_constant()); 725 else addptr(dst, src.as_register()); 726 } 727 728 void andptr(Register dst, int32_t src); 729 void andptr(Register src1, Register src2) { LP64_ONLY(andq(src1, src2)) NOT_LP64(andl(src1, src2)) ; } 730 731 void cmp8(AddressLiteral src1, int imm); 732 733 // renamed to drag out the casting of address to int32_t/intptr_t 734 void cmp32(Register src1, int32_t imm); 735 736 void cmp32(AddressLiteral src1, int32_t imm); 737 // compare reg - mem, or reg - &mem 738 void cmp32(Register src1, AddressLiteral src2); 739 740 void cmp32(Register src1, Address src2); 741 742 #ifndef _LP64 743 void cmpklass(Address dst, Metadata* obj); 744 void cmpklass(Register dst, Metadata* obj); 745 void cmpoop(Address dst, jobject obj); 746 void cmpoop(Register dst, jobject obj); 747 #endif // _LP64 748 749 // NOTE src2 must be the lval. This is NOT an mem-mem compare 750 void cmpptr(Address src1, AddressLiteral src2); 751 752 void cmpptr(Register src1, AddressLiteral src2); 753 754 void cmpptr(Register src1, Register src2) { LP64_ONLY(cmpq(src1, src2)) NOT_LP64(cmpl(src1, src2)) ; } 755 void cmpptr(Register src1, Address src2) { LP64_ONLY(cmpq(src1, src2)) NOT_LP64(cmpl(src1, src2)) ; } 756 // void cmpptr(Address src1, Register src2) { LP64_ONLY(cmpq(src1, src2)) NOT_LP64(cmpl(src1, src2)) ; } 757 758 void cmpptr(Register src1, int32_t src2) { LP64_ONLY(cmpq(src1, src2)) NOT_LP64(cmpl(src1, src2)) ; } 759 void cmpptr(Address src1, int32_t src2) { LP64_ONLY(cmpq(src1, src2)) NOT_LP64(cmpl(src1, src2)) ; } 760 761 // cmp64 to avoild hiding cmpq 762 void cmp64(Register src1, AddressLiteral src); 763 764 void cmpxchgptr(Register reg, Address adr); 765 766 void locked_cmpxchgptr(Register reg, AddressLiteral adr); 767 768 769 void imulptr(Register dst, Register src) { LP64_ONLY(imulq(dst, src)) NOT_LP64(imull(dst, src)); } 770 void imulptr(Register dst, Register src, int imm32) { LP64_ONLY(imulq(dst, src, imm32)) NOT_LP64(imull(dst, src, imm32)); } 771 772 773 void negptr(Register dst) { LP64_ONLY(negq(dst)) NOT_LP64(negl(dst)); } 774 775 void notptr(Register dst) { LP64_ONLY(notq(dst)) NOT_LP64(notl(dst)); } 776 777 void shlptr(Register dst, int32_t shift); 778 void shlptr(Register dst) { LP64_ONLY(shlq(dst)) NOT_LP64(shll(dst)); } 779 780 void shrptr(Register dst, int32_t shift); 781 void shrptr(Register dst) { LP64_ONLY(shrq(dst)) NOT_LP64(shrl(dst)); } 782 783 void sarptr(Register dst) { LP64_ONLY(sarq(dst)) NOT_LP64(sarl(dst)); } 784 void sarptr(Register dst, int32_t src) { LP64_ONLY(sarq(dst, src)) NOT_LP64(sarl(dst, src)); } 785 786 void subptr(Address dst, int32_t src) { LP64_ONLY(subq(dst, src)) NOT_LP64(subl(dst, src)); } 787 788 void subptr(Register dst, Address src) { LP64_ONLY(subq(dst, src)) NOT_LP64(subl(dst, src)); } 789 void subptr(Register dst, int32_t src); 790 // Force generation of a 4 byte immediate value even if it fits into 8bit 791 void subptr_imm32(Register dst, int32_t src); 792 void subptr(Register dst, Register src); 793 void subptr(Register dst, RegisterOrConstant src) { 794 if (src.is_constant()) subptr(dst, (int) src.as_constant()); 795 else subptr(dst, src.as_register()); 796 } 797 798 void sbbptr(Address dst, int32_t src) { LP64_ONLY(sbbq(dst, src)) NOT_LP64(sbbl(dst, src)); } 799 void sbbptr(Register dst, int32_t src) { LP64_ONLY(sbbq(dst, src)) NOT_LP64(sbbl(dst, src)); } 800 801 void xchgptr(Register src1, Register src2) { LP64_ONLY(xchgq(src1, src2)) NOT_LP64(xchgl(src1, src2)) ; } 802 void xchgptr(Register src1, Address src2) { LP64_ONLY(xchgq(src1, src2)) NOT_LP64(xchgl(src1, src2)) ; } 803 804 void xaddptr(Address src1, Register src2) { LP64_ONLY(xaddq(src1, src2)) NOT_LP64(xaddl(src1, src2)) ; } 805 806 807 808 // Helper functions for statistics gathering. 809 // Conditionally (atomically, on MPs) increments passed counter address, preserving condition codes. 810 void cond_inc32(Condition cond, AddressLiteral counter_addr); 811 // Unconditional atomic increment. 812 void atomic_incl(Address counter_addr); 813 void atomic_incl(AddressLiteral counter_addr, Register scr = rscratch1); 814 #ifdef _LP64 815 void atomic_incq(Address counter_addr); 816 void atomic_incq(AddressLiteral counter_addr, Register scr = rscratch1); 817 #endif 818 void atomic_incptr(AddressLiteral counter_addr, Register scr = rscratch1) { LP64_ONLY(atomic_incq(counter_addr, scr)) NOT_LP64(atomic_incl(counter_addr, scr)) ; } 819 void atomic_incptr(Address counter_addr) { LP64_ONLY(atomic_incq(counter_addr)) NOT_LP64(atomic_incl(counter_addr)) ; } 820 821 void lea(Register dst, AddressLiteral adr); 822 void lea(Address dst, AddressLiteral adr); 823 void lea(Register dst, Address adr) { Assembler::lea(dst, adr); } 824 825 void leal32(Register dst, Address src) { leal(dst, src); } 826 827 // Import other testl() methods from the parent class or else 828 // they will be hidden by the following overriding declaration. 829 using Assembler::testl; 830 void testl(Register dst, AddressLiteral src); 831 832 void orptr(Register dst, Address src) { LP64_ONLY(orq(dst, src)) NOT_LP64(orl(dst, src)); } 833 void orptr(Register dst, Register src) { LP64_ONLY(orq(dst, src)) NOT_LP64(orl(dst, src)); } 834 void orptr(Register dst, int32_t src) { LP64_ONLY(orq(dst, src)) NOT_LP64(orl(dst, src)); } 835 void orptr(Address dst, int32_t imm32) { LP64_ONLY(orq(dst, imm32)) NOT_LP64(orl(dst, imm32)); } 836 837 void testptr(Register src, int32_t imm32) { LP64_ONLY(testq(src, imm32)) NOT_LP64(testl(src, imm32)); } 838 void testptr(Register src1, Register src2); 839 840 void xorptr(Register dst, Register src) { LP64_ONLY(xorq(dst, src)) NOT_LP64(xorl(dst, src)); } 841 void xorptr(Register dst, Address src) { LP64_ONLY(xorq(dst, src)) NOT_LP64(xorl(dst, src)); } 842 843 // Calls 844 845 void call(Label& L, relocInfo::relocType rtype); 846 void call(Register entry); 847 848 // NOTE: this call tranfers to the effective address of entry NOT 849 // the address contained by entry. This is because this is more natural 850 // for jumps/calls. 851 void call(AddressLiteral entry); 852 853 // Emit the CompiledIC call idiom 854 void ic_call(address entry, jint method_index = 0); 855 856 // Jumps 857 858 // NOTE: these jumps tranfer to the effective address of dst NOT 859 // the address contained by dst. This is because this is more natural 860 // for jumps/calls. 861 void jump(AddressLiteral dst); 862 void jump_cc(Condition cc, AddressLiteral dst); 863 864 // 32bit can do a case table jump in one instruction but we no longer allow the base 865 // to be installed in the Address class. This jump will tranfers to the address 866 // contained in the location described by entry (not the address of entry) 867 void jump(ArrayAddress entry); 868 869 // Floating 870 871 void andpd(XMMRegister dst, Address src) { Assembler::andpd(dst, src); } 872 void andpd(XMMRegister dst, AddressLiteral src); 873 void andpd(XMMRegister dst, XMMRegister src) { Assembler::andpd(dst, src); } 874 875 void andps(XMMRegister dst, XMMRegister src) { Assembler::andps(dst, src); } 876 void andps(XMMRegister dst, Address src) { Assembler::andps(dst, src); } 877 void andps(XMMRegister dst, AddressLiteral src); 878 879 void comiss(XMMRegister dst, XMMRegister src) { Assembler::comiss(dst, src); } 880 void comiss(XMMRegister dst, Address src) { Assembler::comiss(dst, src); } 881 void comiss(XMMRegister dst, AddressLiteral src); 882 883 void comisd(XMMRegister dst, XMMRegister src) { Assembler::comisd(dst, src); } 884 void comisd(XMMRegister dst, Address src) { Assembler::comisd(dst, src); } 885 void comisd(XMMRegister dst, AddressLiteral src); 886 887 void fadd_s(Address src) { Assembler::fadd_s(src); } 888 void fadd_s(AddressLiteral src) { Assembler::fadd_s(as_Address(src)); } 889 890 void fldcw(Address src) { Assembler::fldcw(src); } 891 void fldcw(AddressLiteral src); 892 893 void fld_s(int index) { Assembler::fld_s(index); } 894 void fld_s(Address src) { Assembler::fld_s(src); } 895 void fld_s(AddressLiteral src); 896 897 void fld_d(Address src) { Assembler::fld_d(src); } 898 void fld_d(AddressLiteral src); 899 900 void fld_x(Address src) { Assembler::fld_x(src); } 901 void fld_x(AddressLiteral src); 902 903 void fmul_s(Address src) { Assembler::fmul_s(src); } 904 void fmul_s(AddressLiteral src) { Assembler::fmul_s(as_Address(src)); } 905 906 void ldmxcsr(Address src) { Assembler::ldmxcsr(src); } 907 void ldmxcsr(AddressLiteral src); 908 909 void fast_sha1(XMMRegister abcd, XMMRegister e0, XMMRegister e1, XMMRegister msg0, 910 XMMRegister msg1, XMMRegister msg2, XMMRegister msg3, XMMRegister shuf_mask, 911 Register buf, Register state, Register ofs, Register limit, Register rsp, 912 bool multi_block); 913 914 #ifdef _LP64 915 void fast_sha256(XMMRegister msg, XMMRegister state0, XMMRegister state1, XMMRegister msgtmp0, 916 XMMRegister msgtmp1, XMMRegister msgtmp2, XMMRegister msgtmp3, XMMRegister msgtmp4, 917 Register buf, Register state, Register ofs, Register limit, Register rsp, 918 bool multi_block, XMMRegister shuf_mask); 919 #else 920 void fast_sha256(XMMRegister msg, XMMRegister state0, XMMRegister state1, XMMRegister msgtmp0, 921 XMMRegister msgtmp1, XMMRegister msgtmp2, XMMRegister msgtmp3, XMMRegister msgtmp4, 922 Register buf, Register state, Register ofs, Register limit, Register rsp, 923 bool multi_block); 924 #endif 925 926 void fast_exp(XMMRegister xmm0, XMMRegister xmm1, XMMRegister xmm2, XMMRegister xmm3, 927 XMMRegister xmm4, XMMRegister xmm5, XMMRegister xmm6, XMMRegister xmm7, 928 Register rax, Register rcx, Register rdx, Register tmp); 929 930 #ifdef _LP64 931 void fast_log(XMMRegister xmm0, XMMRegister xmm1, XMMRegister xmm2, XMMRegister xmm3, 932 XMMRegister xmm4, XMMRegister xmm5, XMMRegister xmm6, XMMRegister xmm7, 933 Register rax, Register rcx, Register rdx, Register tmp1, Register tmp2); 934 935 void fast_log10(XMMRegister xmm0, XMMRegister xmm1, XMMRegister xmm2, XMMRegister xmm3, 936 XMMRegister xmm4, XMMRegister xmm5, XMMRegister xmm6, XMMRegister xmm7, 937 Register rax, Register rcx, Register rdx, Register r11); 938 939 void fast_pow(XMMRegister xmm0, XMMRegister xmm1, XMMRegister xmm2, XMMRegister xmm3, XMMRegister xmm4, 940 XMMRegister xmm5, XMMRegister xmm6, XMMRegister xmm7, Register rax, Register rcx, 941 Register rdx, Register tmp1, Register tmp2, Register tmp3, Register tmp4); 942 943 void fast_sin(XMMRegister xmm0, XMMRegister xmm1, XMMRegister xmm2, XMMRegister xmm3, 944 XMMRegister xmm4, XMMRegister xmm5, XMMRegister xmm6, XMMRegister xmm7, 945 Register rax, Register rbx, Register rcx, Register rdx, Register tmp1, Register tmp2, 946 Register tmp3, Register tmp4); 947 948 void fast_cos(XMMRegister xmm0, XMMRegister xmm1, XMMRegister xmm2, XMMRegister xmm3, 949 XMMRegister xmm4, XMMRegister xmm5, XMMRegister xmm6, XMMRegister xmm7, 950 Register rax, Register rcx, Register rdx, Register tmp1, 951 Register tmp2, Register tmp3, Register tmp4); 952 void fast_tan(XMMRegister xmm0, XMMRegister xmm1, XMMRegister xmm2, XMMRegister xmm3, 953 XMMRegister xmm4, XMMRegister xmm5, XMMRegister xmm6, XMMRegister xmm7, 954 Register rax, Register rcx, Register rdx, Register tmp1, 955 Register tmp2, Register tmp3, Register tmp4); 956 #else 957 void fast_log(XMMRegister xmm0, XMMRegister xmm1, XMMRegister xmm2, XMMRegister xmm3, 958 XMMRegister xmm4, XMMRegister xmm5, XMMRegister xmm6, XMMRegister xmm7, 959 Register rax, Register rcx, Register rdx, Register tmp1); 960 961 void fast_log10(XMMRegister xmm0, XMMRegister xmm1, XMMRegister xmm2, XMMRegister xmm3, 962 XMMRegister xmm4, XMMRegister xmm5, XMMRegister xmm6, XMMRegister xmm7, 963 Register rax, Register rcx, Register rdx, Register tmp); 964 965 void fast_pow(XMMRegister xmm0, XMMRegister xmm1, XMMRegister xmm2, XMMRegister xmm3, XMMRegister xmm4, 966 XMMRegister xmm5, XMMRegister xmm6, XMMRegister xmm7, Register rax, Register rcx, 967 Register rdx, Register tmp); 968 969 void fast_sin(XMMRegister xmm0, XMMRegister xmm1, XMMRegister xmm2, XMMRegister xmm3, 970 XMMRegister xmm4, XMMRegister xmm5, XMMRegister xmm6, XMMRegister xmm7, 971 Register rax, Register rbx, Register rdx); 972 973 void fast_cos(XMMRegister xmm0, XMMRegister xmm1, XMMRegister xmm2, XMMRegister xmm3, 974 XMMRegister xmm4, XMMRegister xmm5, XMMRegister xmm6, XMMRegister xmm7, 975 Register rax, Register rcx, Register rdx, Register tmp); 976 977 void libm_sincos_huge(XMMRegister xmm0, XMMRegister xmm1, Register eax, Register ecx, 978 Register edx, Register ebx, Register esi, Register edi, 979 Register ebp, Register esp); 980 981 void libm_reduce_pi04l(Register eax, Register ecx, Register edx, Register ebx, 982 Register esi, Register edi, Register ebp, Register esp); 983 984 void libm_tancot_huge(XMMRegister xmm0, XMMRegister xmm1, Register eax, Register ecx, 985 Register edx, Register ebx, Register esi, Register edi, 986 Register ebp, Register esp); 987 988 void fast_tan(XMMRegister xmm0, XMMRegister xmm1, XMMRegister xmm2, XMMRegister xmm3, 989 XMMRegister xmm4, XMMRegister xmm5, XMMRegister xmm6, XMMRegister xmm7, 990 Register rax, Register rcx, Register rdx, Register tmp); 991 #endif 992 993 void increase_precision(); 994 void restore_precision(); 995 996 private: 997 998 // call runtime as a fallback for trig functions and pow/exp. 999 void fp_runtime_fallback(address runtime_entry, int nb_args, int num_fpu_regs_in_use); 1000 1001 // these are private because users should be doing movflt/movdbl 1002 1003 void movss(Address dst, XMMRegister src) { Assembler::movss(dst, src); } 1004 void movss(XMMRegister dst, XMMRegister src) { Assembler::movss(dst, src); } 1005 void movss(XMMRegister dst, Address src) { Assembler::movss(dst, src); } 1006 void movss(XMMRegister dst, AddressLiteral src); 1007 1008 void movlpd(XMMRegister dst, Address src) {Assembler::movlpd(dst, src); } 1009 void movlpd(XMMRegister dst, AddressLiteral src); 1010 1011 public: 1012 1013 void addsd(XMMRegister dst, XMMRegister src) { Assembler::addsd(dst, src); } 1014 void addsd(XMMRegister dst, Address src) { Assembler::addsd(dst, src); } 1015 void addsd(XMMRegister dst, AddressLiteral src); 1016 1017 void addss(XMMRegister dst, XMMRegister src) { Assembler::addss(dst, src); } 1018 void addss(XMMRegister dst, Address src) { Assembler::addss(dst, src); } 1019 void addss(XMMRegister dst, AddressLiteral src); 1020 1021 void addpd(XMMRegister dst, XMMRegister src) { Assembler::addpd(dst, src); } 1022 void addpd(XMMRegister dst, Address src) { Assembler::addpd(dst, src); } 1023 void addpd(XMMRegister dst, AddressLiteral src); 1024 1025 void divsd(XMMRegister dst, XMMRegister src) { Assembler::divsd(dst, src); } 1026 void divsd(XMMRegister dst, Address src) { Assembler::divsd(dst, src); } 1027 void divsd(XMMRegister dst, AddressLiteral src); 1028 1029 void divss(XMMRegister dst, XMMRegister src) { Assembler::divss(dst, src); } 1030 void divss(XMMRegister dst, Address src) { Assembler::divss(dst, src); } 1031 void divss(XMMRegister dst, AddressLiteral src); 1032 1033 // Move Unaligned Double Quadword 1034 void movdqu(Address dst, XMMRegister src); 1035 void movdqu(XMMRegister dst, Address src); 1036 void movdqu(XMMRegister dst, XMMRegister src); 1037 void movdqu(XMMRegister dst, AddressLiteral src); 1038 // AVX Unaligned forms 1039 void vmovdqu(Address dst, XMMRegister src); 1040 void vmovdqu(XMMRegister dst, Address src); 1041 void vmovdqu(XMMRegister dst, XMMRegister src); 1042 void vmovdqu(XMMRegister dst, AddressLiteral src); 1043 1044 // Move Aligned Double Quadword 1045 void movdqa(XMMRegister dst, Address src) { Assembler::movdqa(dst, src); } 1046 void movdqa(XMMRegister dst, XMMRegister src) { Assembler::movdqa(dst, src); } 1047 void movdqa(XMMRegister dst, AddressLiteral src); 1048 1049 void movsd(XMMRegister dst, XMMRegister src) { Assembler::movsd(dst, src); } 1050 void movsd(Address dst, XMMRegister src) { Assembler::movsd(dst, src); } 1051 void movsd(XMMRegister dst, Address src) { Assembler::movsd(dst, src); } 1052 void movsd(XMMRegister dst, AddressLiteral src); 1053 1054 void mulpd(XMMRegister dst, XMMRegister src) { Assembler::mulpd(dst, src); } 1055 void mulpd(XMMRegister dst, Address src) { Assembler::mulpd(dst, src); } 1056 void mulpd(XMMRegister dst, AddressLiteral src); 1057 1058 void mulsd(XMMRegister dst, XMMRegister src) { Assembler::mulsd(dst, src); } 1059 void mulsd(XMMRegister dst, Address src) { Assembler::mulsd(dst, src); } 1060 void mulsd(XMMRegister dst, AddressLiteral src); 1061 1062 void mulss(XMMRegister dst, XMMRegister src) { Assembler::mulss(dst, src); } 1063 void mulss(XMMRegister dst, Address src) { Assembler::mulss(dst, src); } 1064 void mulss(XMMRegister dst, AddressLiteral src); 1065 1066 // Carry-Less Multiplication Quadword 1067 void pclmulldq(XMMRegister dst, XMMRegister src) { 1068 // 0x00 - multiply lower 64 bits [0:63] 1069 Assembler::pclmulqdq(dst, src, 0x00); 1070 } 1071 void pclmulhdq(XMMRegister dst, XMMRegister src) { 1072 // 0x11 - multiply upper 64 bits [64:127] 1073 Assembler::pclmulqdq(dst, src, 0x11); 1074 } 1075 1076 void pcmpeqb(XMMRegister dst, XMMRegister src); 1077 void pcmpeqw(XMMRegister dst, XMMRegister src); 1078 1079 void pcmpestri(XMMRegister dst, Address src, int imm8); 1080 void pcmpestri(XMMRegister dst, XMMRegister src, int imm8); 1081 1082 void pmovzxbw(XMMRegister dst, XMMRegister src); 1083 void pmovzxbw(XMMRegister dst, Address src); 1084 1085 void pmovmskb(Register dst, XMMRegister src); 1086 1087 void ptest(XMMRegister dst, XMMRegister src); 1088 1089 void sqrtsd(XMMRegister dst, XMMRegister src) { Assembler::sqrtsd(dst, src); } 1090 void sqrtsd(XMMRegister dst, Address src) { Assembler::sqrtsd(dst, src); } 1091 void sqrtsd(XMMRegister dst, AddressLiteral src); 1092 1093 void sqrtss(XMMRegister dst, XMMRegister src) { Assembler::sqrtss(dst, src); } 1094 void sqrtss(XMMRegister dst, Address src) { Assembler::sqrtss(dst, src); } 1095 void sqrtss(XMMRegister dst, AddressLiteral src); 1096 1097 void subsd(XMMRegister dst, XMMRegister src) { Assembler::subsd(dst, src); } 1098 void subsd(XMMRegister dst, Address src) { Assembler::subsd(dst, src); } 1099 void subsd(XMMRegister dst, AddressLiteral src); 1100 1101 void subss(XMMRegister dst, XMMRegister src) { Assembler::subss(dst, src); } 1102 void subss(XMMRegister dst, Address src) { Assembler::subss(dst, src); } 1103 void subss(XMMRegister dst, AddressLiteral src); 1104 1105 void ucomiss(XMMRegister dst, XMMRegister src) { Assembler::ucomiss(dst, src); } 1106 void ucomiss(XMMRegister dst, Address src) { Assembler::ucomiss(dst, src); } 1107 void ucomiss(XMMRegister dst, AddressLiteral src); 1108 1109 void ucomisd(XMMRegister dst, XMMRegister src) { Assembler::ucomisd(dst, src); } 1110 void ucomisd(XMMRegister dst, Address src) { Assembler::ucomisd(dst, src); } 1111 void ucomisd(XMMRegister dst, AddressLiteral src); 1112 1113 // Bitwise Logical XOR of Packed Double-Precision Floating-Point Values 1114 void xorpd(XMMRegister dst, XMMRegister src); 1115 void xorpd(XMMRegister dst, Address src) { Assembler::xorpd(dst, src); } 1116 void xorpd(XMMRegister dst, AddressLiteral src); 1117 1118 // Bitwise Logical XOR of Packed Single-Precision Floating-Point Values 1119 void xorps(XMMRegister dst, XMMRegister src); 1120 void xorps(XMMRegister dst, Address src) { Assembler::xorps(dst, src); } 1121 void xorps(XMMRegister dst, AddressLiteral src); 1122 1123 // Shuffle Bytes 1124 void pshufb(XMMRegister dst, XMMRegister src) { Assembler::pshufb(dst, src); } 1125 void pshufb(XMMRegister dst, Address src) { Assembler::pshufb(dst, src); } 1126 void pshufb(XMMRegister dst, AddressLiteral src); 1127 // AVX 3-operands instructions 1128 1129 void vaddsd(XMMRegister dst, XMMRegister nds, XMMRegister src) { Assembler::vaddsd(dst, nds, src); } 1130 void vaddsd(XMMRegister dst, XMMRegister nds, Address src) { Assembler::vaddsd(dst, nds, src); } 1131 void vaddsd(XMMRegister dst, XMMRegister nds, AddressLiteral src); 1132 1133 void vaddss(XMMRegister dst, XMMRegister nds, XMMRegister src) { Assembler::vaddss(dst, nds, src); } 1134 void vaddss(XMMRegister dst, XMMRegister nds, Address src) { Assembler::vaddss(dst, nds, src); } 1135 void vaddss(XMMRegister dst, XMMRegister nds, AddressLiteral src); 1136 1137 void vabsss(XMMRegister dst, XMMRegister nds, XMMRegister src, AddressLiteral negate_field, int vector_len); 1138 void vabssd(XMMRegister dst, XMMRegister nds, XMMRegister src, AddressLiteral negate_field, int vector_len); 1139 1140 void vpaddb(XMMRegister dst, XMMRegister nds, XMMRegister src, int vector_len); 1141 void vpaddb(XMMRegister dst, XMMRegister nds, Address src, int vector_len); 1142 1143 void vpaddw(XMMRegister dst, XMMRegister nds, XMMRegister src, int vector_len); 1144 void vpaddw(XMMRegister dst, XMMRegister nds, Address src, int vector_len); 1145 1146 void vpbroadcastw(XMMRegister dst, XMMRegister src); 1147 1148 void vpcmpeqb(XMMRegister dst, XMMRegister nds, XMMRegister src, int vector_len); 1149 void vpcmpeqw(XMMRegister dst, XMMRegister nds, XMMRegister src, int vector_len); 1150 1151 void vpmovzxbw(XMMRegister dst, Address src, int vector_len); 1152 void vpmovmskb(Register dst, XMMRegister src); 1153 1154 void vpmullw(XMMRegister dst, XMMRegister nds, XMMRegister src, int vector_len); 1155 void vpmullw(XMMRegister dst, XMMRegister nds, Address src, int vector_len); 1156 1157 void vpsubb(XMMRegister dst, XMMRegister nds, XMMRegister src, int vector_len); 1158 void vpsubb(XMMRegister dst, XMMRegister nds, Address src, int vector_len); 1159 1160 void vpsubw(XMMRegister dst, XMMRegister nds, XMMRegister src, int vector_len); 1161 void vpsubw(XMMRegister dst, XMMRegister nds, Address src, int vector_len); 1162 1163 void vpsraw(XMMRegister dst, XMMRegister nds, XMMRegister shift, int vector_len); 1164 void vpsraw(XMMRegister dst, XMMRegister nds, int shift, int vector_len); 1165 1166 void vpsrlw(XMMRegister dst, XMMRegister nds, XMMRegister shift, int vector_len); 1167 void vpsrlw(XMMRegister dst, XMMRegister nds, int shift, int vector_len); 1168 1169 void vpsllw(XMMRegister dst, XMMRegister nds, XMMRegister shift, int vector_len); 1170 void vpsllw(XMMRegister dst, XMMRegister nds, int shift, int vector_len); 1171 1172 void vptest(XMMRegister dst, XMMRegister src); 1173 1174 void punpcklbw(XMMRegister dst, XMMRegister src); 1175 void punpcklbw(XMMRegister dst, Address src) { Assembler::punpcklbw(dst, src); } 1176 1177 void pshuflw(XMMRegister dst, XMMRegister src, int mode); 1178 void pshuflw(XMMRegister dst, Address src, int mode) { Assembler::pshuflw(dst, src, mode); } 1179 1180 void vandpd(XMMRegister dst, XMMRegister nds, XMMRegister src, int vector_len) { Assembler::vandpd(dst, nds, src, vector_len); } 1181 void vandpd(XMMRegister dst, XMMRegister nds, Address src, int vector_len) { Assembler::vandpd(dst, nds, src, vector_len); } 1182 void vandpd(XMMRegister dst, XMMRegister nds, AddressLiteral src, int vector_len); 1183 1184 void vandps(XMMRegister dst, XMMRegister nds, XMMRegister src, int vector_len) { Assembler::vandps(dst, nds, src, vector_len); } 1185 void vandps(XMMRegister dst, XMMRegister nds, Address src, int vector_len) { Assembler::vandps(dst, nds, src, vector_len); } 1186 void vandps(XMMRegister dst, XMMRegister nds, AddressLiteral src, int vector_len); 1187 1188 void vdivsd(XMMRegister dst, XMMRegister nds, XMMRegister src) { Assembler::vdivsd(dst, nds, src); } 1189 void vdivsd(XMMRegister dst, XMMRegister nds, Address src) { Assembler::vdivsd(dst, nds, src); } 1190 void vdivsd(XMMRegister dst, XMMRegister nds, AddressLiteral src); 1191 1192 void vdivss(XMMRegister dst, XMMRegister nds, XMMRegister src) { Assembler::vdivss(dst, nds, src); } 1193 void vdivss(XMMRegister dst, XMMRegister nds, Address src) { Assembler::vdivss(dst, nds, src); } 1194 void vdivss(XMMRegister dst, XMMRegister nds, AddressLiteral src); 1195 1196 void vmulsd(XMMRegister dst, XMMRegister nds, XMMRegister src) { Assembler::vmulsd(dst, nds, src); } 1197 void vmulsd(XMMRegister dst, XMMRegister nds, Address src) { Assembler::vmulsd(dst, nds, src); } 1198 void vmulsd(XMMRegister dst, XMMRegister nds, AddressLiteral src); 1199 1200 void vmulss(XMMRegister dst, XMMRegister nds, XMMRegister src) { Assembler::vmulss(dst, nds, src); } 1201 void vmulss(XMMRegister dst, XMMRegister nds, Address src) { Assembler::vmulss(dst, nds, src); } 1202 void vmulss(XMMRegister dst, XMMRegister nds, AddressLiteral src); 1203 1204 void vsubsd(XMMRegister dst, XMMRegister nds, XMMRegister src) { Assembler::vsubsd(dst, nds, src); } 1205 void vsubsd(XMMRegister dst, XMMRegister nds, Address src) { Assembler::vsubsd(dst, nds, src); } 1206 void vsubsd(XMMRegister dst, XMMRegister nds, AddressLiteral src); 1207 1208 void vsubss(XMMRegister dst, XMMRegister nds, XMMRegister src) { Assembler::vsubss(dst, nds, src); } 1209 void vsubss(XMMRegister dst, XMMRegister nds, Address src) { Assembler::vsubss(dst, nds, src); } 1210 void vsubss(XMMRegister dst, XMMRegister nds, AddressLiteral src); 1211 1212 void vnegatess(XMMRegister dst, XMMRegister nds, AddressLiteral src); 1213 void vnegatesd(XMMRegister dst, XMMRegister nds, AddressLiteral src); 1214 1215 // AVX Vector instructions 1216 1217 void vxorpd(XMMRegister dst, XMMRegister nds, XMMRegister src, int vector_len) { Assembler::vxorpd(dst, nds, src, vector_len); } 1218 void vxorpd(XMMRegister dst, XMMRegister nds, Address src, int vector_len) { Assembler::vxorpd(dst, nds, src, vector_len); } 1219 void vxorpd(XMMRegister dst, XMMRegister nds, AddressLiteral src, int vector_len); 1220 1221 void vxorps(XMMRegister dst, XMMRegister nds, XMMRegister src, int vector_len) { Assembler::vxorps(dst, nds, src, vector_len); } 1222 void vxorps(XMMRegister dst, XMMRegister nds, Address src, int vector_len) { Assembler::vxorps(dst, nds, src, vector_len); } 1223 void vxorps(XMMRegister dst, XMMRegister nds, AddressLiteral src, int vector_len); 1224 1225 void vpxor(XMMRegister dst, XMMRegister nds, XMMRegister src, int vector_len) { 1226 if (UseAVX > 1 || (vector_len < 1)) // vpxor 256 bit is available only in AVX2 1227 Assembler::vpxor(dst, nds, src, vector_len); 1228 else 1229 Assembler::vxorpd(dst, nds, src, vector_len); 1230 } 1231 void vpxor(XMMRegister dst, XMMRegister nds, Address src, int vector_len) { 1232 if (UseAVX > 1 || (vector_len < 1)) // vpxor 256 bit is available only in AVX2 1233 Assembler::vpxor(dst, nds, src, vector_len); 1234 else 1235 Assembler::vxorpd(dst, nds, src, vector_len); 1236 } 1237 1238 // Simple version for AVX2 256bit vectors 1239 void vpxor(XMMRegister dst, XMMRegister src) { Assembler::vpxor(dst, dst, src, true); } 1240 void vpxor(XMMRegister dst, Address src) { Assembler::vpxor(dst, dst, src, true); } 1241 1242 void vinserti128(XMMRegister dst, XMMRegister nds, XMMRegister src, uint8_t imm8) { 1243 if (UseAVX > 2) { 1244 Assembler::vinserti32x4(dst, dst, src, imm8); 1245 } else if (UseAVX > 1) { 1246 // vinserti128 is available only in AVX2 1247 Assembler::vinserti128(dst, nds, src, imm8); 1248 } else { 1249 Assembler::vinsertf128(dst, nds, src, imm8); 1250 } 1251 } 1252 1253 void vinserti128(XMMRegister dst, XMMRegister nds, Address src, uint8_t imm8) { 1254 if (UseAVX > 2) { 1255 Assembler::vinserti32x4(dst, dst, src, imm8); 1256 } else if (UseAVX > 1) { 1257 // vinserti128 is available only in AVX2 1258 Assembler::vinserti128(dst, nds, src, imm8); 1259 } else { 1260 Assembler::vinsertf128(dst, nds, src, imm8); 1261 } 1262 } 1263 1264 void vextracti128(XMMRegister dst, XMMRegister src, uint8_t imm8) { 1265 if (UseAVX > 2) { 1266 Assembler::vextracti32x4(dst, src, imm8); 1267 } else if (UseAVX > 1) { 1268 // vextracti128 is available only in AVX2 1269 Assembler::vextracti128(dst, src, imm8); 1270 } else { 1271 Assembler::vextractf128(dst, src, imm8); 1272 } 1273 } 1274 1275 void vextracti128(Address dst, XMMRegister src, uint8_t imm8) { 1276 if (UseAVX > 2) { 1277 Assembler::vextracti32x4(dst, src, imm8); 1278 } else if (UseAVX > 1) { 1279 // vextracti128 is available only in AVX2 1280 Assembler::vextracti128(dst, src, imm8); 1281 } else { 1282 Assembler::vextractf128(dst, src, imm8); 1283 } 1284 } 1285 1286 // 128bit copy to/from high 128 bits of 256bit (YMM) vector registers 1287 void vinserti128_high(XMMRegister dst, XMMRegister src) { 1288 vinserti128(dst, dst, src, 1); 1289 } 1290 void vinserti128_high(XMMRegister dst, Address src) { 1291 vinserti128(dst, dst, src, 1); 1292 } 1293 void vextracti128_high(XMMRegister dst, XMMRegister src) { 1294 vextracti128(dst, src, 1); 1295 } 1296 void vextracti128_high(Address dst, XMMRegister src) { 1297 vextracti128(dst, src, 1); 1298 } 1299 1300 void vinsertf128_high(XMMRegister dst, XMMRegister src) { 1301 if (UseAVX > 2) { 1302 Assembler::vinsertf32x4(dst, dst, src, 1); 1303 } else { 1304 Assembler::vinsertf128(dst, dst, src, 1); 1305 } 1306 } 1307 1308 void vinsertf128_high(XMMRegister dst, Address src) { 1309 if (UseAVX > 2) { 1310 Assembler::vinsertf32x4(dst, dst, src, 1); 1311 } else { 1312 Assembler::vinsertf128(dst, dst, src, 1); 1313 } 1314 } 1315 1316 void vextractf128_high(XMMRegister dst, XMMRegister src) { 1317 if (UseAVX > 2) { 1318 Assembler::vextractf32x4(dst, src, 1); 1319 } else { 1320 Assembler::vextractf128(dst, src, 1); 1321 } 1322 } 1323 1324 void vextractf128_high(Address dst, XMMRegister src) { 1325 if (UseAVX > 2) { 1326 Assembler::vextractf32x4(dst, src, 1); 1327 } else { 1328 Assembler::vextractf128(dst, src, 1); 1329 } 1330 } 1331 1332 // 256bit copy to/from high 256 bits of 512bit (ZMM) vector registers 1333 void vinserti64x4_high(XMMRegister dst, XMMRegister src) { 1334 Assembler::vinserti64x4(dst, dst, src, 1); 1335 } 1336 void vinsertf64x4_high(XMMRegister dst, XMMRegister src) { 1337 Assembler::vinsertf64x4(dst, dst, src, 1); 1338 } 1339 void vextracti64x4_high(XMMRegister dst, XMMRegister src) { 1340 Assembler::vextracti64x4(dst, src, 1); 1341 } 1342 void vextractf64x4_high(XMMRegister dst, XMMRegister src) { 1343 Assembler::vextractf64x4(dst, src, 1); 1344 } 1345 void vextractf64x4_high(Address dst, XMMRegister src) { 1346 Assembler::vextractf64x4(dst, src, 1); 1347 } 1348 void vinsertf64x4_high(XMMRegister dst, Address src) { 1349 Assembler::vinsertf64x4(dst, dst, src, 1); 1350 } 1351 1352 // 128bit copy to/from low 128 bits of 256bit (YMM) vector registers 1353 void vinserti128_low(XMMRegister dst, XMMRegister src) { 1354 vinserti128(dst, dst, src, 0); 1355 } 1356 void vinserti128_low(XMMRegister dst, Address src) { 1357 vinserti128(dst, dst, src, 0); 1358 } 1359 void vextracti128_low(XMMRegister dst, XMMRegister src) { 1360 vextracti128(dst, src, 0); 1361 } 1362 void vextracti128_low(Address dst, XMMRegister src) { 1363 vextracti128(dst, src, 0); 1364 } 1365 1366 void vinsertf128_low(XMMRegister dst, XMMRegister src) { 1367 if (UseAVX > 2) { 1368 Assembler::vinsertf32x4(dst, dst, src, 0); 1369 } else { 1370 Assembler::vinsertf128(dst, dst, src, 0); 1371 } 1372 } 1373 1374 void vinsertf128_low(XMMRegister dst, Address src) { 1375 if (UseAVX > 2) { 1376 Assembler::vinsertf32x4(dst, dst, src, 0); 1377 } else { 1378 Assembler::vinsertf128(dst, dst, src, 0); 1379 } 1380 } 1381 1382 void vextractf128_low(XMMRegister dst, XMMRegister src) { 1383 if (UseAVX > 2) { 1384 Assembler::vextractf32x4(dst, src, 0); 1385 } else { 1386 Assembler::vextractf128(dst, src, 0); 1387 } 1388 } 1389 1390 void vextractf128_low(Address dst, XMMRegister src) { 1391 if (UseAVX > 2) { 1392 Assembler::vextractf32x4(dst, src, 0); 1393 } else { 1394 Assembler::vextractf128(dst, src, 0); 1395 } 1396 } 1397 1398 // 256bit copy to/from low 256 bits of 512bit (ZMM) vector registers 1399 void vinserti64x4_low(XMMRegister dst, XMMRegister src) { 1400 Assembler::vinserti64x4(dst, dst, src, 0); 1401 } 1402 void vinsertf64x4_low(XMMRegister dst, XMMRegister src) { 1403 Assembler::vinsertf64x4(dst, dst, src, 0); 1404 } 1405 void vextracti64x4_low(XMMRegister dst, XMMRegister src) { 1406 Assembler::vextracti64x4(dst, src, 0); 1407 } 1408 void vextractf64x4_low(XMMRegister dst, XMMRegister src) { 1409 Assembler::vextractf64x4(dst, src, 0); 1410 } 1411 void vextractf64x4_low(Address dst, XMMRegister src) { 1412 Assembler::vextractf64x4(dst, src, 0); 1413 } 1414 void vinsertf64x4_low(XMMRegister dst, Address src) { 1415 Assembler::vinsertf64x4(dst, dst, src, 0); 1416 } 1417 1418 // Carry-Less Multiplication Quadword 1419 void vpclmulldq(XMMRegister dst, XMMRegister nds, XMMRegister src) { 1420 // 0x00 - multiply lower 64 bits [0:63] 1421 Assembler::vpclmulqdq(dst, nds, src, 0x00); 1422 } 1423 void vpclmulhdq(XMMRegister dst, XMMRegister nds, XMMRegister src) { 1424 // 0x11 - multiply upper 64 bits [64:127] 1425 Assembler::vpclmulqdq(dst, nds, src, 0x11); 1426 } 1427 1428 // Data 1429 1430 void cmov32( Condition cc, Register dst, Address src); 1431 void cmov32( Condition cc, Register dst, Register src); 1432 1433 void cmov( Condition cc, Register dst, Register src) { cmovptr(cc, dst, src); } 1434 1435 void cmovptr(Condition cc, Register dst, Address src) { LP64_ONLY(cmovq(cc, dst, src)) NOT_LP64(cmov32(cc, dst, src)); } 1436 void cmovptr(Condition cc, Register dst, Register src) { LP64_ONLY(cmovq(cc, dst, src)) NOT_LP64(cmov32(cc, dst, src)); } 1437 1438 void movoop(Register dst, jobject obj); 1439 void movoop(Address dst, jobject obj); 1440 1441 void mov_metadata(Register dst, Metadata* obj); 1442 void mov_metadata(Address dst, Metadata* obj); 1443 1444 void movptr(ArrayAddress dst, Register src); 1445 // can this do an lea? 1446 void movptr(Register dst, ArrayAddress src); 1447 1448 void movptr(Register dst, Address src); 1449 1450 #ifdef _LP64 1451 void movptr(Register dst, AddressLiteral src, Register scratch=rscratch1); 1452 #else 1453 void movptr(Register dst, AddressLiteral src, Register scratch=noreg); // Scratch reg is ignored in 32-bit 1454 #endif 1455 1456 void movptr(Register dst, intptr_t src); 1457 void movptr(Register dst, Register src); 1458 void movptr(Address dst, intptr_t src); 1459 1460 void movptr(Address dst, Register src); 1461 1462 void movptr(Register dst, RegisterOrConstant src) { 1463 if (src.is_constant()) movptr(dst, src.as_constant()); 1464 else movptr(dst, src.as_register()); 1465 } 1466 1467 #ifdef _LP64 1468 // Generally the next two are only used for moving NULL 1469 // Although there are situations in initializing the mark word where 1470 // they could be used. They are dangerous. 1471 1472 // They only exist on LP64 so that int32_t and intptr_t are not the same 1473 // and we have ambiguous declarations. 1474 1475 void movptr(Address dst, int32_t imm32); 1476 void movptr(Register dst, int32_t imm32); 1477 #endif // _LP64 1478 1479 // to avoid hiding movl 1480 void mov32(AddressLiteral dst, Register src); 1481 void mov32(Register dst, AddressLiteral src); 1482 1483 // to avoid hiding movb 1484 void movbyte(ArrayAddress dst, int src); 1485 1486 // Import other mov() methods from the parent class or else 1487 // they will be hidden by the following overriding declaration. 1488 using Assembler::movdl; 1489 using Assembler::movq; 1490 void movdl(XMMRegister dst, AddressLiteral src); 1491 void movq(XMMRegister dst, AddressLiteral src); 1492 1493 // Can push value or effective address 1494 void pushptr(AddressLiteral src); 1495 1496 void pushptr(Address src) { LP64_ONLY(pushq(src)) NOT_LP64(pushl(src)); } 1497 void popptr(Address src) { LP64_ONLY(popq(src)) NOT_LP64(popl(src)); } 1498 1499 void pushoop(jobject obj); 1500 void pushklass(Metadata* obj); 1501 1502 // sign extend as need a l to ptr sized element 1503 void movl2ptr(Register dst, Address src) { LP64_ONLY(movslq(dst, src)) NOT_LP64(movl(dst, src)); } 1504 void movl2ptr(Register dst, Register src) { LP64_ONLY(movslq(dst, src)) NOT_LP64(if (dst != src) movl(dst, src)); } 1505 1506 // C2 compiled method's prolog code. 1507 void verified_entry(int framesize, int stack_bang_size, bool fp_mode_24b); 1508 1509 // clear memory of size 'cnt' qwords, starting at 'base'; 1510 // if 'is_large' is set, do not try to produce short loop 1511 void clear_mem(Register base, Register cnt, Register rtmp, bool is_large); 1512 1513 #ifdef COMPILER2 1514 void string_indexof_char(Register str1, Register cnt1, Register ch, Register result, 1515 XMMRegister vec1, XMMRegister vec2, XMMRegister vec3, Register tmp); 1516 1517 // IndexOf strings. 1518 // Small strings are loaded through stack if they cross page boundary. 1519 void string_indexof(Register str1, Register str2, 1520 Register cnt1, Register cnt2, 1521 int int_cnt2, Register result, 1522 XMMRegister vec, Register tmp, 1523 int ae); 1524 1525 // IndexOf for constant substrings with size >= 8 elements 1526 // which don't need to be loaded through stack. 1527 void string_indexofC8(Register str1, Register str2, 1528 Register cnt1, Register cnt2, 1529 int int_cnt2, Register result, 1530 XMMRegister vec, Register tmp, 1531 int ae); 1532 1533 // Smallest code: we don't need to load through stack, 1534 // check string tail. 1535 1536 // helper function for string_compare 1537 void load_next_elements(Register elem1, Register elem2, Register str1, Register str2, 1538 Address::ScaleFactor scale, Address::ScaleFactor scale1, 1539 Address::ScaleFactor scale2, Register index, int ae); 1540 // Compare strings. 1541 void string_compare(Register str1, Register str2, 1542 Register cnt1, Register cnt2, Register result, 1543 XMMRegister vec1, int ae); 1544 1545 // Search for Non-ASCII character (Negative byte value) in a byte array, 1546 // return true if it has any and false otherwise. 1547 void has_negatives(Register ary1, Register len, 1548 Register result, Register tmp1, 1549 XMMRegister vec1, XMMRegister vec2); 1550 1551 // Compare char[] or byte[] arrays. 1552 void arrays_equals(bool is_array_equ, Register ary1, Register ary2, 1553 Register limit, Register result, Register chr, 1554 XMMRegister vec1, XMMRegister vec2, bool is_char); 1555 1556 #endif 1557 1558 // Fill primitive arrays 1559 void generate_fill(BasicType t, bool aligned, 1560 Register to, Register value, Register count, 1561 Register rtmp, XMMRegister xtmp); 1562 1563 void encode_iso_array(Register src, Register dst, Register len, 1564 XMMRegister tmp1, XMMRegister tmp2, XMMRegister tmp3, 1565 XMMRegister tmp4, Register tmp5, Register result); 1566 1567 #ifdef _LP64 1568 void add2_with_carry(Register dest_hi, Register dest_lo, Register src1, Register src2); 1569 void multiply_64_x_64_loop(Register x, Register xstart, Register x_xstart, 1570 Register y, Register y_idx, Register z, 1571 Register carry, Register product, 1572 Register idx, Register kdx); 1573 void multiply_add_128_x_128(Register x_xstart, Register y, Register z, 1574 Register yz_idx, Register idx, 1575 Register carry, Register product, int offset); 1576 void multiply_128_x_128_bmi2_loop(Register y, Register z, 1577 Register carry, Register carry2, 1578 Register idx, Register jdx, 1579 Register yz_idx1, Register yz_idx2, 1580 Register tmp, Register tmp3, Register tmp4); 1581 void multiply_128_x_128_loop(Register x_xstart, Register y, Register z, 1582 Register yz_idx, Register idx, Register jdx, 1583 Register carry, Register product, 1584 Register carry2); 1585 void multiply_to_len(Register x, Register xlen, Register y, Register ylen, Register z, Register zlen, 1586 Register tmp1, Register tmp2, Register tmp3, Register tmp4, Register tmp5); 1587 void square_rshift(Register x, Register len, Register z, Register tmp1, Register tmp3, 1588 Register tmp4, Register tmp5, Register rdxReg, Register raxReg); 1589 void multiply_add_64_bmi2(Register sum, Register op1, Register op2, Register carry, 1590 Register tmp2); 1591 void multiply_add_64(Register sum, Register op1, Register op2, Register carry, 1592 Register rdxReg, Register raxReg); 1593 void add_one_64(Register z, Register zlen, Register carry, Register tmp1); 1594 void lshift_by_1(Register x, Register len, Register z, Register zlen, Register tmp1, Register tmp2, 1595 Register tmp3, Register tmp4); 1596 void square_to_len(Register x, Register len, Register z, Register zlen, Register tmp1, Register tmp2, 1597 Register tmp3, Register tmp4, Register tmp5, Register rdxReg, Register raxReg); 1598 1599 void mul_add_128_x_32_loop(Register out, Register in, Register offset, Register len, Register tmp1, 1600 Register tmp2, Register tmp3, Register tmp4, Register tmp5, Register rdxReg, 1601 Register raxReg); 1602 void mul_add(Register out, Register in, Register offset, Register len, Register k, Register tmp1, 1603 Register tmp2, Register tmp3, Register tmp4, Register tmp5, Register rdxReg, 1604 Register raxReg); 1605 void vectorized_mismatch(Register obja, Register objb, Register length, Register log2_array_indxscale, 1606 Register result, Register tmp1, Register tmp2, 1607 XMMRegister vec1, XMMRegister vec2, XMMRegister vec3); 1608 #endif 1609 1610 // CRC32 code for java.util.zip.CRC32::updateBytes() intrinsic. 1611 void update_byte_crc32(Register crc, Register val, Register table); 1612 void kernel_crc32(Register crc, Register buf, Register len, Register table, Register tmp); 1613 // CRC32C code for java.util.zip.CRC32C::updateBytes() intrinsic 1614 // Note on a naming convention: 1615 // Prefix w = register only used on a Westmere+ architecture 1616 // Prefix n = register only used on a Nehalem architecture 1617 #ifdef _LP64 1618 void crc32c_ipl_alg4(Register in_out, uint32_t n, 1619 Register tmp1, Register tmp2, Register tmp3); 1620 #else 1621 void crc32c_ipl_alg4(Register in_out, uint32_t n, 1622 Register tmp1, Register tmp2, Register tmp3, 1623 XMMRegister xtmp1, XMMRegister xtmp2); 1624 #endif 1625 void crc32c_pclmulqdq(XMMRegister w_xtmp1, 1626 Register in_out, 1627 uint32_t const_or_pre_comp_const_index, bool is_pclmulqdq_supported, 1628 XMMRegister w_xtmp2, 1629 Register tmp1, 1630 Register n_tmp2, Register n_tmp3); 1631 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, 1632 XMMRegister w_xtmp1, XMMRegister w_xtmp2, XMMRegister w_xtmp3, 1633 Register tmp1, Register tmp2, 1634 Register n_tmp3); 1635 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, 1636 Register in_out1, Register in_out2, Register in_out3, 1637 Register tmp1, Register tmp2, Register tmp3, 1638 XMMRegister w_xtmp1, XMMRegister w_xtmp2, XMMRegister w_xtmp3, 1639 Register tmp4, Register tmp5, 1640 Register n_tmp6); 1641 void crc32c_ipl_alg2_alt2(Register in_out, Register in1, Register in2, 1642 Register tmp1, Register tmp2, Register tmp3, 1643 Register tmp4, Register tmp5, Register tmp6, 1644 XMMRegister w_xtmp1, XMMRegister w_xtmp2, XMMRegister w_xtmp3, 1645 bool is_pclmulqdq_supported); 1646 // Fold 128-bit data chunk 1647 void fold_128bit_crc32(XMMRegister xcrc, XMMRegister xK, XMMRegister xtmp, Register buf, int offset); 1648 void fold_128bit_crc32(XMMRegister xcrc, XMMRegister xK, XMMRegister xtmp, XMMRegister xbuf); 1649 // Fold 8-bit data 1650 void fold_8bit_crc32(Register crc, Register table, Register tmp); 1651 void fold_8bit_crc32(XMMRegister crc, Register table, XMMRegister xtmp, Register tmp); 1652 1653 // Compress char[] array to byte[]. 1654 void char_array_compress(Register src, Register dst, Register len, 1655 XMMRegister tmp1, XMMRegister tmp2, XMMRegister tmp3, 1656 XMMRegister tmp4, Register tmp5, Register result); 1657 1658 // Inflate byte[] array to char[]. 1659 void byte_array_inflate(Register src, Register dst, Register len, 1660 XMMRegister tmp1, Register tmp2); 1661 1662 }; 1663 1664 /** 1665 * class SkipIfEqual: 1666 * 1667 * Instantiating this class will result in assembly code being output that will 1668 * jump around any code emitted between the creation of the instance and it's 1669 * automatic destruction at the end of a scope block, depending on the value of 1670 * the flag passed to the constructor, which will be checked at run-time. 1671 */ 1672 class SkipIfEqual { 1673 private: 1674 MacroAssembler* _masm; 1675 Label _label; 1676 1677 public: 1678 SkipIfEqual(MacroAssembler*, const bool* flag_addr, bool value); 1679 ~SkipIfEqual(); 1680 }; 1681 1682 #endif // CPU_X86_VM_MACROASSEMBLER_X86_HPP