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Issue 10827209: Unify class ids and snapshot object ids list so that we don't have disparate and sometimes confusin… (Closed) Base URL: http://dart.googlecode.com/svn/branches/bleeding_edge/dart/runtime/
Patch Set: Created 8 years, 4 months ago
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1 // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file 1 // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file
2 // for details. All rights reserved. Use of this source code is governed by a 2 // for details. All rights reserved. Use of this source code is governed by a
3 // BSD-style license that can be found in the LICENSE file. 3 // BSD-style license that can be found in the LICENSE file.
4 4
5 #include "vm/globals.h" // Needed here to get TARGET_ARCH_X64. 5 #include "vm/globals.h" // Needed here to get TARGET_ARCH_X64.
6 #if defined(TARGET_ARCH_X64) 6 #if defined(TARGET_ARCH_X64)
7 7
8 #include "vm/intrinsifier.h" 8 #include "vm/intrinsifier.h"
9 9
10 #include "vm/assembler.h" 10 #include "vm/assembler.h"
(...skipping 769 matching lines...) Expand 10 before | Expand all | Expand 10 after
780 Label receiver_not_smi; 780 Label receiver_not_smi;
781 __ Bind(&check_for_mint); 781 __ Bind(&check_for_mint);
782 __ movq(RAX, Address(RSP, + 2 * kWordSize)); // Receiver. 782 __ movq(RAX, Address(RSP, + 2 * kWordSize)); // Receiver.
783 __ testq(RAX, Immediate(kSmiTagMask)); 783 __ testq(RAX, Immediate(kSmiTagMask));
784 __ j(NOT_ZERO, &receiver_not_smi); 784 __ j(NOT_ZERO, &receiver_not_smi);
785 785
786 // Left (receiver) is Smi, return false if right is not Double. 786 // Left (receiver) is Smi, return false if right is not Double.
787 // Note that an instance of Mint or Bigint never contains a value that can be 787 // Note that an instance of Mint or Bigint never contains a value that can be
788 // represented by Smi. 788 // represented by Smi.
789 __ movq(RAX, Address(RSP, + 1 * kWordSize)); 789 __ movq(RAX, Address(RSP, + 1 * kWordSize));
790 __ CompareClassId(RAX, kDouble); 790 __ CompareClassId(RAX, kDoubleCid);
791 __ j(EQUAL, &fall_through); 791 __ j(EQUAL, &fall_through);
792 __ LoadObject(RAX, bool_false); 792 __ LoadObject(RAX, bool_false);
793 __ ret(); 793 __ ret();
794 794
795 __ Bind(&receiver_not_smi); 795 __ Bind(&receiver_not_smi);
796 // RAX:: receiver. 796 // RAX:: receiver.
797 __ CompareClassId(RAX, kMint); 797 __ CompareClassId(RAX, kMintCid);
798 __ j(NOT_EQUAL, &fall_through); 798 __ j(NOT_EQUAL, &fall_through);
799 // Receiver is Mint, return false if right is Smi. 799 // Receiver is Mint, return false if right is Smi.
800 __ movq(RAX, Address(RSP, + 1 * kWordSize)); // Right argument. 800 __ movq(RAX, Address(RSP, + 1 * kWordSize)); // Right argument.
801 __ testq(RAX, Immediate(kSmiTagMask)); 801 __ testq(RAX, Immediate(kSmiTagMask));
802 __ j(NOT_ZERO, &fall_through); 802 __ j(NOT_ZERO, &fall_through);
803 __ LoadObject(RAX, bool_false); // Smi == Mint -> false. 803 __ LoadObject(RAX, bool_false); // Smi == Mint -> false.
804 __ ret(); 804 __ ret();
805 // TODO(srdjan): Implement Mint == Mint comparison. 805 // TODO(srdjan): Implement Mint == Mint comparison.
806 806
807 __ Bind(&fall_through); 807 __ Bind(&fall_through);
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852 852
853 // Check if the last argument is a double, jump to label 'is_smi' if smi 853 // Check if the last argument is a double, jump to label 'is_smi' if smi
854 // (easy to convert to double), otherwise jump to label 'not_double_smi', 854 // (easy to convert to double), otherwise jump to label 'not_double_smi',
855 // Returns the last argument in RAX. 855 // Returns the last argument in RAX.
856 static void TestLastArgumentIsDouble(Assembler* assembler, 856 static void TestLastArgumentIsDouble(Assembler* assembler,
857 Label* is_smi, 857 Label* is_smi,
858 Label* not_double_smi) { 858 Label* not_double_smi) {
859 __ movq(RAX, Address(RSP, + 1 * kWordSize)); 859 __ movq(RAX, Address(RSP, + 1 * kWordSize));
860 __ testq(RAX, Immediate(kSmiTagMask)); 860 __ testq(RAX, Immediate(kSmiTagMask));
861 __ j(ZERO, is_smi, Assembler::kNearJump); // Jump if Smi. 861 __ j(ZERO, is_smi, Assembler::kNearJump); // Jump if Smi.
862 __ CompareClassId(RAX, kDouble); 862 __ CompareClassId(RAX, kDoubleCid);
863 __ j(NOT_EQUAL, not_double_smi, Assembler::kNearJump); 863 __ j(NOT_EQUAL, not_double_smi, Assembler::kNearJump);
864 // Fall through if double. 864 // Fall through if double.
865 } 865 }
866 866
867 867
868 // Both arguments on stack, left argument is a double, right argument is of 868 // Both arguments on stack, left argument is a double, right argument is of
869 // unknown type. Return true or false object in RAX. Any NaN argument 869 // unknown type. Return true or false object in RAX. Any NaN argument
870 // returns false. Any non-double argument causes control flow to fall through 870 // returns false. Any non-double argument causes control flow to fall through
871 // to the slow case (compiled method body). 871 // to the slow case (compiled method body).
872 static bool CompareDoubles(Assembler* assembler, Condition true_condition) { 872 static bool CompareDoubles(Assembler* assembler, Condition true_condition) {
(...skipping 401 matching lines...) Expand 10 before | Expand all | Expand 10 after
1274 bool Intrinsifier::String_charCodeAt(Assembler* assembler) { 1274 bool Intrinsifier::String_charCodeAt(Assembler* assembler) {
1275 Label fall_through; 1275 Label fall_through;
1276 __ movq(RCX, Address(RSP, + 1 * kWordSize)); // Index. 1276 __ movq(RCX, Address(RSP, + 1 * kWordSize)); // Index.
1277 __ movq(RAX, Address(RSP, + 2 * kWordSize)); // String. 1277 __ movq(RAX, Address(RSP, + 2 * kWordSize)); // String.
1278 __ testq(RCX, Immediate(kSmiTagMask)); 1278 __ testq(RCX, Immediate(kSmiTagMask));
1279 __ j(NOT_ZERO, &fall_through, Assembler::kNearJump); // Non-smi index. 1279 __ j(NOT_ZERO, &fall_through, Assembler::kNearJump); // Non-smi index.
1280 // Range check. 1280 // Range check.
1281 __ cmpq(RCX, FieldAddress(RAX, String::length_offset())); 1281 __ cmpq(RCX, FieldAddress(RAX, String::length_offset()));
1282 // Runtime throws exception. 1282 // Runtime throws exception.
1283 __ j(ABOVE_EQUAL, &fall_through, Assembler::kNearJump); 1283 __ j(ABOVE_EQUAL, &fall_through, Assembler::kNearJump);
1284 __ CompareClassId(RAX, kOneByteString); 1284 __ CompareClassId(RAX, kOneByteStringCid);
1285 __ j(NOT_EQUAL, &fall_through); 1285 __ j(NOT_EQUAL, &fall_through);
1286 __ SmiUntag(RCX); 1286 __ SmiUntag(RCX);
1287 __ movzxb(RAX, FieldAddress(RAX, RCX, TIMES_1, OneByteString::data_offset())); 1287 __ movzxb(RAX, FieldAddress(RAX, RCX, TIMES_1, OneByteString::data_offset()));
1288 __ SmiTag(RAX); 1288 __ SmiTag(RAX);
1289 __ ret(); 1289 __ ret();
1290 __ Bind(&fall_through); 1290 __ Bind(&fall_through);
1291 return false; 1291 return false;
1292 } 1292 }
1293 1293
1294 1294
(...skipping 25 matching lines...) Expand all
1320 __ LoadObject(RAX, bool_true); 1320 __ LoadObject(RAX, bool_true);
1321 __ ret(); 1321 __ ret();
1322 return true; 1322 return true;
1323 } 1323 }
1324 1324
1325 #undef __ 1325 #undef __
1326 1326
1327 } // namespace dart 1327 } // namespace dart
1328 1328
1329 #endif // defined TARGET_ARCH_X64 1329 #endif // defined TARGET_ARCH_X64
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