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src/hotspot/cpu/aarch64/c1_LIRAssembler_aarch64.cpp

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  16  * You should have received a copy of the GNU General Public License version
  17  * 2 along with this work; if not, write to the Free Software Foundation,
  18  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  19  *
  20  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  21  * or visit www.oracle.com if you need additional information or have any
  22  * questions.
  23  *
  24  */
  25 
  26 #include "asm/macroAssembler.inline.hpp"
  27 #include "asm/assembler.hpp"
  28 #include "c1/c1_CodeStubs.hpp"
  29 #include "c1/c1_Compilation.hpp"
  30 #include "c1/c1_LIRAssembler.hpp"
  31 #include "c1/c1_MacroAssembler.hpp"
  32 #include "c1/c1_Runtime1.hpp"
  33 #include "c1/c1_ValueStack.hpp"
  34 #include "ci/ciArrayKlass.hpp"
  35 #include "ci/ciInstance.hpp"


  36 #include "code/compiledIC.hpp"
  37 #include "gc/shared/collectedHeap.hpp"
  38 #include "gc/shared/gc_globals.hpp"
  39 #include "nativeInst_aarch64.hpp"
  40 #include "oops/objArrayKlass.hpp"
  41 #include "runtime/frame.inline.hpp"
  42 #include "runtime/sharedRuntime.hpp"
  43 #include "runtime/stubRoutines.hpp"

  44 #include "utilities/powerOfTwo.hpp"
  45 #include "vmreg_aarch64.inline.hpp"
  46 
  47 
  48 #ifndef PRODUCT
  49 #define COMMENT(x)   do { __ block_comment(x); } while (0)
  50 #else
  51 #define COMMENT(x)
  52 #endif
  53 
  54 NEEDS_CLEANUP // remove this definitions ?
  55 const Register SYNC_header = r0;   // synchronization header
  56 const Register SHIFT_count = r0;   // where count for shift operations must be
  57 
  58 #define __ _masm->
  59 
  60 
  61 static void select_different_registers(Register preserve,
  62                                        Register extra,
  63                                        Register &tmp1,

 515 void LIR_Assembler::const2reg(LIR_Opr src, LIR_Opr dest, LIR_PatchCode patch_code, CodeEmitInfo* info) {
 516   assert(src->is_constant(), "should not call otherwise");
 517   assert(dest->is_register(), "should not call otherwise");
 518   LIR_Const* c = src->as_constant_ptr();
 519 
 520   switch (c->type()) {
 521     case T_INT: {
 522       assert(patch_code == lir_patch_none, "no patching handled here");
 523       __ movw(dest->as_register(), c->as_jint());
 524       break;
 525     }
 526 
 527     case T_ADDRESS: {
 528       assert(patch_code == lir_patch_none, "no patching handled here");
 529       __ mov(dest->as_register(), c->as_jint());
 530       break;
 531     }
 532 
 533     case T_LONG: {
 534       assert(patch_code == lir_patch_none, "no patching handled here");













 535       __ mov(dest->as_register_lo(), (intptr_t)c->as_jlong());
 536       break;
 537     }
 538 
 539     case T_OBJECT: {
 540         if (patch_code == lir_patch_none) {
 541           jobject2reg(c->as_jobject(), dest->as_register());
 542         } else {
 543           jobject2reg_with_patching(dest->as_register(), info);
 544         }
 545       break;
 546     }
 547 
 548     case T_METADATA: {
 549       if (patch_code != lir_patch_none) {
 550         klass2reg_with_patching(dest->as_register(), info);
 551       } else {
 552         __ mov_metadata(dest->as_register(), c->as_metadata());
 553       }
 554       break;

  16  * You should have received a copy of the GNU General Public License version
  17  * 2 along with this work; if not, write to the Free Software Foundation,
  18  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  19  *
  20  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  21  * or visit www.oracle.com if you need additional information or have any
  22  * questions.
  23  *
  24  */
  25 
  26 #include "asm/macroAssembler.inline.hpp"
  27 #include "asm/assembler.hpp"
  28 #include "c1/c1_CodeStubs.hpp"
  29 #include "c1/c1_Compilation.hpp"
  30 #include "c1/c1_LIRAssembler.hpp"
  31 #include "c1/c1_MacroAssembler.hpp"
  32 #include "c1/c1_Runtime1.hpp"
  33 #include "c1/c1_ValueStack.hpp"
  34 #include "ci/ciArrayKlass.hpp"
  35 #include "ci/ciInstance.hpp"
  36 #include "ci/ciUtilities.hpp"
  37 #include "code/aotCodeCache.hpp"
  38 #include "code/compiledIC.hpp"
  39 #include "gc/shared/collectedHeap.hpp"
  40 #include "gc/shared/gc_globals.hpp"
  41 #include "nativeInst_aarch64.hpp"
  42 #include "oops/objArrayKlass.hpp"
  43 #include "runtime/frame.inline.hpp"
  44 #include "runtime/sharedRuntime.hpp"
  45 #include "runtime/stubRoutines.hpp"
  46 #include "runtime/threadIdentifier.hpp"
  47 #include "utilities/powerOfTwo.hpp"
  48 #include "vmreg_aarch64.inline.hpp"
  49 
  50 
  51 #ifndef PRODUCT
  52 #define COMMENT(x)   do { __ block_comment(x); } while (0)
  53 #else
  54 #define COMMENT(x)
  55 #endif
  56 
  57 NEEDS_CLEANUP // remove this definitions ?
  58 const Register SYNC_header = r0;   // synchronization header
  59 const Register SHIFT_count = r0;   // where count for shift operations must be
  60 
  61 #define __ _masm->
  62 
  63 
  64 static void select_different_registers(Register preserve,
  65                                        Register extra,
  66                                        Register &tmp1,

 518 void LIR_Assembler::const2reg(LIR_Opr src, LIR_Opr dest, LIR_PatchCode patch_code, CodeEmitInfo* info) {
 519   assert(src->is_constant(), "should not call otherwise");
 520   assert(dest->is_register(), "should not call otherwise");
 521   LIR_Const* c = src->as_constant_ptr();
 522 
 523   switch (c->type()) {
 524     case T_INT: {
 525       assert(patch_code == lir_patch_none, "no patching handled here");
 526       __ movw(dest->as_register(), c->as_jint());
 527       break;
 528     }
 529 
 530     case T_ADDRESS: {
 531       assert(patch_code == lir_patch_none, "no patching handled here");
 532       __ mov(dest->as_register(), c->as_jint());
 533       break;
 534     }
 535 
 536     case T_LONG: {
 537       assert(patch_code == lir_patch_none, "no patching handled here");
 538 #if INCLUDE_CDS
 539       if (AOTCodeCache::is_on_for_dump()) {
 540         address b = c->as_pointer();
 541         if (b == (address)ThreadIdentifier::unsafe_offset()) {
 542           __ lea(dest->as_register_lo(), ExternalAddress(b));
 543           break;
 544         }
 545         if (AOTRuntimeConstants::contains(b)) {
 546           __ load_aotrc_address(dest->as_register_lo(), b);
 547           break;
 548         }
 549       }
 550 #endif
 551       __ mov(dest->as_register_lo(), (intptr_t)c->as_jlong());
 552       break;
 553     }
 554 
 555     case T_OBJECT: {
 556         if (patch_code == lir_patch_none) {
 557           jobject2reg(c->as_jobject(), dest->as_register());
 558         } else {
 559           jobject2reg_with_patching(dest->as_register(), info);
 560         }
 561       break;
 562     }
 563 
 564     case T_METADATA: {
 565       if (patch_code != lir_patch_none) {
 566         klass2reg_with_patching(dest->as_register(), info);
 567       } else {
 568         __ mov_metadata(dest->as_register(), c->as_metadata());
 569       }
 570       break;
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