Rename SeqAsciiString

src/mips/code-stubs-mips.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 5304 matching lines @@
     // Sequential strings have already been ruled out.
     __ And(at, a0, Operand(kIsIndirectStringMask));
     __ Assert(eq,
               "external string expected, but not found",
               at,
               Operand(zero_reg));
   }
   __ lw(subject,
         FieldMemOperand(subject, ExternalString::kResourceDataOffset));
   // Move the pointer so that offset-wise, it looks like a sequential string.
-  STATIC_ASSERT(SeqTwoByteString::kHeaderSize == SeqAsciiString::kHeaderSize);
+  STATIC_ASSERT(SeqTwoByteString::kHeaderSize == SeqOneByteString::kHeaderSize);
   __ Subu(subject,
           subject,
           SeqTwoByteString::kHeaderSize - kHeapObjectTag);
   __ jmp(&seq_string);
 
   // Do the runtime call to execute the regexp.
   __ bind(&runtime);
   __ TailCallRuntime(Runtime::kRegExpExec, 4, 1);
 #endif  // V8_INTERPRETED_REGEXP
 }
@@ skipping 728 matching lines @@
     // type is still in the scratch register from the CompareObjectType
     // operation.
     __ JumpIfInstanceTypeIsNotSequentialAscii(scratch, scratch, &next_probe[i]);
 
     // If length is not 2 the string is not a candidate.
     __ lw(scratch, FieldMemOperand(candidate, String::kLengthOffset));
     __ Branch(&next_probe[i], ne, scratch, Operand(Smi::FromInt(2)));
 
     // Check if the two characters match.
     // Assumes that word load is little endian.
-    __ lhu(scratch, FieldMemOperand(candidate, SeqAsciiString::kHeaderSize));
+    __ lhu(scratch, FieldMemOperand(candidate, SeqOneByteString::kHeaderSize));
     __ Branch(&found_in_symbol_table, eq, chars, Operand(scratch));
     __ bind(&next_probe[i]);
   }
 
   // No matching 2 character string found by probing.
   __ jmp(not_found);
 
   // Scratch register contains result when we fall through to here.
   Register result = candidate;
   __ bind(&found_in_symbol_table);
@@ skipping 196 matching lines @@
   // Rule out short external strings.
   STATIC_CHECK(kShortExternalStringTag != 0);
   __ And(t0, a1, Operand(kShortExternalStringTag));
   __ Branch(&runtime, ne, t0, Operand(zero_reg));
   __ lw(t1, FieldMemOperand(t1, ExternalString::kResourceDataOffset));
   // t1 already points to the first character of underlying string.
   __ jmp(&allocate_result);
 
   __ bind(&sequential_string);
   // Locate first character of underlying subject string.
-  STATIC_ASSERT(SeqTwoByteString::kHeaderSize == SeqAsciiString::kHeaderSize);
-  __ Addu(t1, t1, Operand(SeqAsciiString::kHeaderSize - kHeapObjectTag));
+  STATIC_ASSERT(SeqTwoByteString::kHeaderSize == SeqOneByteString::kHeaderSize);
+  __ Addu(t1, t1, Operand(SeqOneByteString::kHeaderSize - kHeapObjectTag));
 
   __ bind(&allocate_result);
   // Sequential acii string.  Allocate the result.
   STATIC_ASSERT((kOneByteStringTag & kStringEncodingMask) != 0);
   __ And(t0, a1, Operand(kStringEncodingMask));
   __ Branch(&two_byte_sequential, eq, t0, Operand(zero_reg));
 
   // Allocate and copy the resulting ASCII string.
   __ AllocateAsciiString(v0, a2, t0, t2, t3, &runtime);
 
   // Locate first character of substring to copy.
   __ Addu(t1, t1, a3);
 
   // Locate first character of result.
-  __ Addu(a1, v0, Operand(SeqAsciiString::kHeaderSize - kHeapObjectTag));
+  __ Addu(a1, v0, Operand(SeqOneByteString::kHeaderSize - kHeapObjectTag));
 
   // v0: result string
   // a1: first character of result string
   // a2: result string length
   // t1: first character of substring to copy
-  STATIC_ASSERT((SeqAsciiString::kHeaderSize & kObjectAlignmentMask) == 0);
+  STATIC_ASSERT((SeqOneByteString::kHeaderSize & kObjectAlignmentMask) == 0);
   StringHelper::GenerateCopyCharactersLong(
       masm, a1, t1, a2, a3, t0, t2, t3, t4, COPY_ASCII | DEST_ALWAYS_ALIGNED);
   __ jmp(&return_v0);
 
   // Allocate and copy the resulting two-byte string.
   __ bind(&two_byte_sequential);
   __ AllocateTwoByteString(v0, a2, t0, t2, t3, &runtime);
 
   // Locate first character of substring to copy.
   STATIC_ASSERT(kSmiTagSize == 1 && kSmiTag == 0);
@@ skipping 111 matching lines @@
     Register length,
     Register scratch1,
     Register scratch2,
     Register scratch3,
     Label* chars_not_equal) {
   // Change index to run from -length to -1 by adding length to string
   // start. This means that loop ends when index reaches zero, which
   // doesn't need an additional compare.
   __ SmiUntag(length);
   __ Addu(scratch1, length,
-          Operand(SeqAsciiString::kHeaderSize - kHeapObjectTag));
+          Operand(SeqOneByteString::kHeaderSize - kHeapObjectTag));
   __ Addu(left, left, Operand(scratch1));
   __ Addu(right, right, Operand(scratch1));
   __ Subu(length, zero_reg, length);
   Register index = length;  // index = -length;
 
 
   // Compare loop.
   Label loop;
   __ bind(&loop);
   __ Addu(scratch3, left, index);
@@ skipping 134 matching lines @@
   if (flags_ != NO_STRING_ADD_FLAGS) {
     __ lw(t0, FieldMemOperand(a0, HeapObject::kMapOffset));
     __ lw(t1, FieldMemOperand(a1, HeapObject::kMapOffset));
     __ lbu(t0, FieldMemOperand(t0, Map::kInstanceTypeOffset));
     __ lbu(t1, FieldMemOperand(t1, Map::kInstanceTypeOffset));
   }
   __ JumpIfBothInstanceTypesAreNotSequentialAscii(t0, t1, t2, t3,
                                                  &call_runtime);
 
   // Get the two characters forming the sub string.
-  __ lbu(a2, FieldMemOperand(a0, SeqAsciiString::kHeaderSize));
-  __ lbu(a3, FieldMemOperand(a1, SeqAsciiString::kHeaderSize));
+  __ lbu(a2, FieldMemOperand(a0, SeqOneByteString::kHeaderSize));
+  __ lbu(a3, FieldMemOperand(a1, SeqOneByteString::kHeaderSize));
 
   // Try to lookup two character string in symbol table. If it is not found
   // just allocate a new one.
   Label make_two_character_string;
   StringHelper::GenerateTwoCharacterSymbolTableProbe(
       masm, a2, a3, t2, t3, t0, t1, t5, &make_two_character_string);
   __ IncrementCounter(counters->string_add_native(), 1, a2, a3);
   __ DropAndRet(2);
 
   __ bind(&make_two_character_string);
   // Resulting string has length 2 and first chars of two strings
   // are combined into single halfword in a2 register.
   // So we can fill resulting string without two loops by a single
   // halfword store instruction (which assumes that processor is
   // in a little endian mode).
   __ li(t2, Operand(2));
   __ AllocateAsciiString(v0, t2, t0, t1, t5, &call_runtime);
-  __ sh(a2, FieldMemOperand(v0, SeqAsciiString::kHeaderSize));
+  __ sh(a2, FieldMemOperand(v0, SeqOneByteString::kHeaderSize));
   __ IncrementCounter(counters->string_add_native(), 1, a2, a3);
   __ DropAndRet(2);
 
   __ bind(&longer_than_two);
   // Check if resulting string will be flat.
   __ Branch(&string_add_flat_result, lt, t2, Operand(ConsString::kMinLength));
   // Handle exceptionally long strings in the runtime system.
   STATIC_ASSERT((String::kMaxLength & 0x80000000) == 0);
   ASSERT(IsPowerOf2(String::kMaxLength + 1));
   // kMaxLength + 1 is representable as shifted literal, kMaxLength is not.
@@ skipping 64 matching lines @@
     __ lbu(t1, FieldMemOperand(t1, Map::kInstanceTypeOffset));
   }
   // Check whether both strings have same encoding
   __ Xor(t3, t0, Operand(t1));
   __ And(t3, t3, Operand(kStringEncodingMask));
   __ Branch(&call_runtime, ne, t3, Operand(zero_reg));
 
   STATIC_ASSERT(kSeqStringTag == 0);
   __ And(t4, t0, Operand(kStringRepresentationMask));
 
-  STATIC_ASSERT(SeqAsciiString::kHeaderSize == SeqTwoByteString::kHeaderSize);
+  STATIC_ASSERT(SeqOneByteString::kHeaderSize == SeqTwoByteString::kHeaderSize);
   Label skip_first_add;
   __ Branch(&skip_first_add, ne, t4, Operand(zero_reg));
   __ Branch(USE_DELAY_SLOT, &first_prepared);
-  __ addiu(t3, a0, SeqAsciiString::kHeaderSize - kHeapObjectTag);
+  __ addiu(t3, a0, SeqOneByteString::kHeaderSize - kHeapObjectTag);
   __ bind(&skip_first_add);
   // External string: rule out short external string and load string resource.
   STATIC_ASSERT(kShortExternalStringTag != 0);
   __ And(t4, t0, Operand(kShortExternalStringMask));
   __ Branch(&call_runtime, ne, t4, Operand(zero_reg));
   __ lw(t3, FieldMemOperand(a0, ExternalString::kResourceDataOffset));
   __ bind(&first_prepared);
 
   STATIC_ASSERT(kSeqStringTag == 0);
   __ And(t4, t1, Operand(kStringRepresentationMask));
-  STATIC_ASSERT(SeqAsciiString::kHeaderSize == SeqTwoByteString::kHeaderSize);
+  STATIC_ASSERT(SeqOneByteString::kHeaderSize == SeqTwoByteString::kHeaderSize);
   Label skip_second_add;
   __ Branch(&skip_second_add, ne, t4, Operand(zero_reg));
   __ Branch(USE_DELAY_SLOT, &second_prepared);
-  __ addiu(a1, a1, SeqAsciiString::kHeaderSize - kHeapObjectTag);
+  __ addiu(a1, a1, SeqOneByteString::kHeaderSize - kHeapObjectTag);
   __ bind(&skip_second_add);
   // External string: rule out short external string and load string resource.
   STATIC_ASSERT(kShortExternalStringTag != 0);
   __ And(t4, t1, Operand(kShortExternalStringMask));
   __ Branch(&call_runtime, ne, t4, Operand(zero_reg));
   __ lw(a1, FieldMemOperand(a1, ExternalString::kResourceDataOffset));
   __ bind(&second_prepared);
 
   Label non_ascii_string_add_flat_result;
   // t3: first character of first string
   // a1: first character of second string
   // a2: length of first string
   // a3: length of second string
   // t2: sum of lengths.
   // Both strings have the same encoding.
   STATIC_ASSERT(kTwoByteStringTag == 0);
   __ And(t4, t1, Operand(kStringEncodingMask));
   __ Branch(&non_ascii_string_add_flat_result, eq, t4, Operand(zero_reg));
 
   __ AllocateAsciiString(v0, t2, t0, t1, t5, &call_runtime);
-  __ Addu(t2, v0, Operand(SeqAsciiString::kHeaderSize - kHeapObjectTag));
+  __ Addu(t2, v0, Operand(SeqOneByteString::kHeaderSize - kHeapObjectTag));
   // v0: result string.
   // t3: first character of first string.
   // a1: first character of second string
   // a2: length of first string.
   // a3: length of second string.
   // t2: first character of result.
 
   StringHelper::GenerateCopyCharacters(masm, t2, t3, a2, t0, true);
   // t2: next character of result.
   StringHelper::GenerateCopyCharacters(masm, t2, a1, a3, t0, true);
@@ skipping 1080 matching lines @@
   __ Pop(ra, t1, a1);
   __ Ret();
 }
 
 
 #undef __
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_MIPS