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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

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












 531       __ mov(dest->as_register_lo(), (intptr_t)c->as_jlong());
 532       break;
 533     }
 534 
 535     case T_OBJECT: {
 536         if (patch_code == lir_patch_none) {
 537           jobject2reg(c->as_jobject(), dest->as_register());
 538         } else {
 539           jobject2reg_with_patching(dest->as_register(), info);
 540         }
 541       break;
 542     }
 543 
 544     case T_METADATA: {
 545       if (patch_code != lir_patch_none) {
 546         klass2reg_with_patching(dest->as_register(), info);
 547       } else {
 548         __ mov_metadata(dest->as_register(), c->as_metadata());
 549       }
 550       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/SCCache.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 "utilities/powerOfTwo.hpp"
  47 #include "vmreg_aarch64.inline.hpp"
  48 
  49 
  50 #ifndef PRODUCT
  51 #define COMMENT(x)   do { __ block_comment(x); } while (0)
  52 #else
  53 #define COMMENT(x)
  54 #endif
  55 
  56 NEEDS_CLEANUP // remove this definitions ?
  57 const Register SYNC_header = r0;   // synchronization header

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