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Issue 9231009: More spelling changes. (Closed) Base URL: http://v8.googlecode.com/svn/branches/bleeding_edge/
Patch Set: Created 8 years, 11 months ago
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1 // Copyright 2012 the V8 project authors. All rights reserved. 1 // Copyright 2012 the V8 project authors. All rights reserved.
2 // Redistribution and use in source and binary forms, with or without 2 // Redistribution and use in source and binary forms, with or without
3 // modification, are permitted provided that the following conditions are 3 // modification, are permitted provided that the following conditions are
4 // met: 4 // met:
5 // 5 //
6 // * Redistributions of source code must retain the above copyright 6 // * Redistributions of source code must retain the above copyright
7 // notice, this list of conditions and the following disclaimer. 7 // notice, this list of conditions and the following disclaimer.
8 // * Redistributions in binary form must reproduce the above 8 // * Redistributions in binary form must reproduce the above
9 // copyright notice, this list of conditions and the following 9 // copyright notice, this list of conditions and the following
10 // disclaimer in the documentation and/or other materials provided 10 // disclaimer in the documentation and/or other materials provided
(...skipping 1369 matching lines...) Expand 10 before | Expand all | Expand 10 after
1380 Register scratch3, 1380 Register scratch3,
1381 Label* gc_required) { 1381 Label* gc_required) {
1382 // Calculate the number of bytes needed for the characters in the string while 1382 // Calculate the number of bytes needed for the characters in the string while
1383 // observing object alignment. 1383 // observing object alignment.
1384 ASSERT((SeqAsciiString::kHeaderSize & kObjectAlignmentMask) == 0); 1384 ASSERT((SeqAsciiString::kHeaderSize & kObjectAlignmentMask) == 0);
1385 mov(scratch1, length); 1385 mov(scratch1, length);
1386 ASSERT(kCharSize == 1); 1386 ASSERT(kCharSize == 1);
1387 add(scratch1, Immediate(kObjectAlignmentMask)); 1387 add(scratch1, Immediate(kObjectAlignmentMask));
1388 and_(scratch1, Immediate(~kObjectAlignmentMask)); 1388 and_(scratch1, Immediate(~kObjectAlignmentMask));
1389 1389
1390 // Allocate ascii string in new space. 1390 // Allocate ASCII string in new space.
1391 AllocateInNewSpace(SeqAsciiString::kHeaderSize, 1391 AllocateInNewSpace(SeqAsciiString::kHeaderSize,
1392 times_1, 1392 times_1,
1393 scratch1, 1393 scratch1,
1394 result, 1394 result,
1395 scratch2, 1395 scratch2,
1396 scratch3, 1396 scratch3,
1397 gc_required, 1397 gc_required,
1398 TAG_OBJECT); 1398 TAG_OBJECT);
1399 1399
1400 // Set the map, length and hash field. 1400 // Set the map, length and hash field.
1401 mov(FieldOperand(result, HeapObject::kMapOffset), 1401 mov(FieldOperand(result, HeapObject::kMapOffset),
1402 Immediate(isolate()->factory()->ascii_string_map())); 1402 Immediate(isolate()->factory()->ascii_string_map()));
1403 mov(scratch1, length); 1403 mov(scratch1, length);
1404 SmiTag(scratch1); 1404 SmiTag(scratch1);
1405 mov(FieldOperand(result, String::kLengthOffset), scratch1); 1405 mov(FieldOperand(result, String::kLengthOffset), scratch1);
1406 mov(FieldOperand(result, String::kHashFieldOffset), 1406 mov(FieldOperand(result, String::kHashFieldOffset),
1407 Immediate(String::kEmptyHashField)); 1407 Immediate(String::kEmptyHashField));
1408 } 1408 }
1409 1409
1410 1410
1411 void MacroAssembler::AllocateAsciiString(Register result, 1411 void MacroAssembler::AllocateAsciiString(Register result,
1412 int length, 1412 int length,
1413 Register scratch1, 1413 Register scratch1,
1414 Register scratch2, 1414 Register scratch2,
1415 Label* gc_required) { 1415 Label* gc_required) {
1416 ASSERT(length > 0); 1416 ASSERT(length > 0);
1417 1417
1418 // Allocate ascii string in new space. 1418 // Allocate ASCII string in new space.
1419 AllocateInNewSpace(SeqAsciiString::SizeFor(length), 1419 AllocateInNewSpace(SeqAsciiString::SizeFor(length),
1420 result, 1420 result,
1421 scratch1, 1421 scratch1,
1422 scratch2, 1422 scratch2,
1423 gc_required, 1423 gc_required,
1424 TAG_OBJECT); 1424 TAG_OBJECT);
1425 1425
1426 // Set the map, length and hash field. 1426 // Set the map, length and hash field.
1427 mov(FieldOperand(result, HeapObject::kMapOffset), 1427 mov(FieldOperand(result, HeapObject::kMapOffset),
1428 Immediate(isolate()->factory()->ascii_string_map())); 1428 Immediate(isolate()->factory()->ascii_string_map()));
(...skipping 1028 matching lines...) Expand 10 before | Expand all | Expand 10 after
2457 mov(scratch1, object1); 2457 mov(scratch1, object1);
2458 and_(scratch1, object2); 2458 and_(scratch1, object2);
2459 JumpIfSmi(scratch1, failure); 2459 JumpIfSmi(scratch1, failure);
2460 2460
2461 // Load instance type for both strings. 2461 // Load instance type for both strings.
2462 mov(scratch1, FieldOperand(object1, HeapObject::kMapOffset)); 2462 mov(scratch1, FieldOperand(object1, HeapObject::kMapOffset));
2463 mov(scratch2, FieldOperand(object2, HeapObject::kMapOffset)); 2463 mov(scratch2, FieldOperand(object2, HeapObject::kMapOffset));
2464 movzx_b(scratch1, FieldOperand(scratch1, Map::kInstanceTypeOffset)); 2464 movzx_b(scratch1, FieldOperand(scratch1, Map::kInstanceTypeOffset));
2465 movzx_b(scratch2, FieldOperand(scratch2, Map::kInstanceTypeOffset)); 2465 movzx_b(scratch2, FieldOperand(scratch2, Map::kInstanceTypeOffset));
2466 2466
2467 // Check that both are flat ascii strings. 2467 // Check that both are flat ASCII strings.
2468 const int kFlatAsciiStringMask = 2468 const int kFlatAsciiStringMask =
2469 kIsNotStringMask | kStringRepresentationMask | kStringEncodingMask; 2469 kIsNotStringMask | kStringRepresentationMask | kStringEncodingMask;
2470 const int kFlatAsciiStringTag = ASCII_STRING_TYPE; 2470 const int kFlatAsciiStringTag = ASCII_STRING_TYPE;
2471 // Interleave bits from both instance types and compare them in one check. 2471 // Interleave bits from both instance types and compare them in one check.
2472 ASSERT_EQ(0, kFlatAsciiStringMask & (kFlatAsciiStringMask << 3)); 2472 ASSERT_EQ(0, kFlatAsciiStringMask & (kFlatAsciiStringMask << 3));
2473 and_(scratch1, kFlatAsciiStringMask); 2473 and_(scratch1, kFlatAsciiStringMask);
2474 and_(scratch2, kFlatAsciiStringMask); 2474 and_(scratch2, kFlatAsciiStringMask);
2475 lea(scratch1, Operand(scratch1, scratch2, times_8, 0)); 2475 lea(scratch1, Operand(scratch1, scratch2, times_8, 0));
2476 cmp(scratch1, kFlatAsciiStringTag | (kFlatAsciiStringTag << 3)); 2476 cmp(scratch1, kFlatAsciiStringTag | (kFlatAsciiStringTag << 3));
2477 j(not_equal, failure); 2477 j(not_equal, failure);
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2739 cmp(length, Operand(bitmap_scratch, MemoryChunk::kSizeOffset)); 2739 cmp(length, Operand(bitmap_scratch, MemoryChunk::kSizeOffset));
2740 Check(less_equal, "Live Bytes Count overflow chunk size"); 2740 Check(less_equal, "Live Bytes Count overflow chunk size");
2741 } 2741 }
2742 2742
2743 bind(&done); 2743 bind(&done);
2744 } 2744 }
2745 2745
2746 } } // namespace v8::internal 2746 } } // namespace v8::internal
2747 2747
2748 #endif // V8_TARGET_ARCH_IA32 2748 #endif // V8_TARGET_ARCH_IA32
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