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src/hotspot/cpu/aarch64/c1_LIRAssembler_aarch64.cpp

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  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 "precompiled.hpp"
  27 #include "asm/macroAssembler.inline.hpp"
  28 #include "asm/assembler.hpp"
  29 #include "c1/c1_CodeStubs.hpp"
  30 #include "c1/c1_Compilation.hpp"
  31 #include "c1/c1_LIRAssembler.hpp"
  32 #include "c1/c1_MacroAssembler.hpp"
  33 #include "c1/c1_Runtime1.hpp"
  34 #include "c1/c1_ValueStack.hpp"
  35 #include "ci/ciArrayKlass.hpp"
  36 #include "ci/ciInstance.hpp"


  37 #include "code/compiledIC.hpp"
  38 #include "gc/shared/collectedHeap.hpp"
  39 #include "gc/shared/gc_globals.hpp"
  40 #include "nativeInst_aarch64.hpp"
  41 #include "oops/objArrayKlass.hpp"
  42 #include "runtime/frame.inline.hpp"
  43 #include "runtime/sharedRuntime.hpp"
  44 #include "runtime/stubRoutines.hpp"
  45 #include "utilities/powerOfTwo.hpp"
  46 #include "vmreg_aarch64.inline.hpp"
  47 
  48 
  49 #ifndef PRODUCT
  50 #define COMMENT(x)   do { __ block_comment(x); } while (0)
  51 #else
  52 #define COMMENT(x)
  53 #endif
  54 
  55 NEEDS_CLEANUP // remove this definitions ?
  56 const Register SYNC_header = r0;   // synchronization header

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












 532       __ mov(dest->as_register_lo(), (intptr_t)c->as_jlong());
 533       break;
 534     }
 535 
 536     case T_OBJECT: {
 537         if (patch_code == lir_patch_none) {
 538           jobject2reg(c->as_jobject(), dest->as_register());
 539         } else {
 540           jobject2reg_with_patching(dest->as_register(), info);
 541         }
 542       break;
 543     }
 544 
 545     case T_METADATA: {
 546       if (patch_code != lir_patch_none) {
 547         klass2reg_with_patching(dest->as_register(), info);
 548       } else {
 549         __ mov_metadata(dest->as_register(), c->as_metadata());
 550       }
 551       break;

  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 "precompiled.hpp"
  27 #include "asm/macroAssembler.inline.hpp"
  28 #include "asm/assembler.hpp"
  29 #include "c1/c1_CodeStubs.hpp"
  30 #include "c1/c1_Compilation.hpp"
  31 #include "c1/c1_LIRAssembler.hpp"
  32 #include "c1/c1_MacroAssembler.hpp"
  33 #include "c1/c1_Runtime1.hpp"
  34 #include "c1/c1_ValueStack.hpp"
  35 #include "ci/ciArrayKlass.hpp"
  36 #include "ci/ciInstance.hpp"
  37 #include "ci/ciUtilities.hpp"
  38 #include "code/SCCache.hpp"
  39 #include "code/compiledIC.hpp"
  40 #include "gc/shared/collectedHeap.hpp"
  41 #include "gc/shared/gc_globals.hpp"
  42 #include "nativeInst_aarch64.hpp"
  43 #include "oops/objArrayKlass.hpp"
  44 #include "runtime/frame.inline.hpp"
  45 #include "runtime/sharedRuntime.hpp"
  46 #include "runtime/stubRoutines.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

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