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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 2011 the V8 project authors. All rights reserved. 1 // Copyright 2011 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
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108 #endif 108 #endif
109 }; 109 };
110 110
111 111
112 // Generate code for a JS function. On entry to the function the receiver 112 // Generate code for a JS function. On entry to the function the receiver
113 // and arguments have been pushed on the stack left to right. The actual 113 // and arguments have been pushed on the stack left to right. The actual
114 // argument count matches the formal parameter count expected by the 114 // argument count matches the formal parameter count expected by the
115 // function. 115 // function.
116 // 116 //
117 // The live registers are: 117 // The live registers are:
118 // o r1: the JS function object being called (ie, ourselves) 118 // o r1: the JS function object being called (i.e., ourselves)
119 // o cp: our context 119 // o cp: our context
120 // o fp: our caller's frame pointer 120 // o fp: our caller's frame pointer
121 // o sp: stack pointer 121 // o sp: stack pointer
122 // o lr: return address 122 // o lr: return address
123 // 123 //
124 // The function builds a JS frame. Please see JavaScriptFrameConstants in 124 // The function builds a JS frame. Please see JavaScriptFrameConstants in
125 // frames-arm.h for its layout. 125 // frames-arm.h for its layout.
126 void FullCodeGenerator::Generate(CompilationInfo* info) { 126 void FullCodeGenerator::Generate(CompilationInfo* info) {
127 ASSERT(info_ == NULL); 127 ASSERT(info_ == NULL);
128 info_ = info; 128 info_ = info;
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3611 __ SmiUntag(string_length); 3611 __ SmiUntag(string_length);
3612 __ add(string, string, Operand(SeqAsciiString::kHeaderSize - kHeapObjectTag)); 3612 __ add(string, string, Operand(SeqAsciiString::kHeaderSize - kHeapObjectTag));
3613 __ CopyBytes(string, result_pos, string_length, scratch1); 3613 __ CopyBytes(string, result_pos, string_length, scratch1);
3614 __ cmp(element, elements_end); 3614 __ cmp(element, elements_end);
3615 __ b(lt, &empty_separator_loop); // End while (element < elements_end). 3615 __ b(lt, &empty_separator_loop); // End while (element < elements_end).
3616 ASSERT(result.is(r0)); 3616 ASSERT(result.is(r0));
3617 __ b(&done); 3617 __ b(&done);
3618 3618
3619 // One-character separator case 3619 // One-character separator case
3620 __ bind(&one_char_separator); 3620 __ bind(&one_char_separator);
3621 // Replace separator with its ascii character value. 3621 // Replace separator with its ASCII character value.
3622 __ ldrb(separator, FieldMemOperand(separator, SeqAsciiString::kHeaderSize)); 3622 __ ldrb(separator, FieldMemOperand(separator, SeqAsciiString::kHeaderSize));
3623 // Jump into the loop after the code that copies the separator, so the first 3623 // Jump into the loop after the code that copies the separator, so the first
3624 // element is not preceded by a separator 3624 // element is not preceded by a separator
3625 __ jmp(&one_char_separator_loop_entry); 3625 __ jmp(&one_char_separator_loop_entry);
3626 3626
3627 __ bind(&one_char_separator_loop); 3627 __ bind(&one_char_separator_loop);
3628 // Live values in registers: 3628 // Live values in registers:
3629 // result_pos: the position to which we are currently copying characters. 3629 // result_pos: the position to which we are currently copying characters.
3630 // element: Current array element. 3630 // element: Current array element.
3631 // elements_end: Array end. 3631 // elements_end: Array end.
3632 // separator: Single separator ascii char (in lower byte). 3632 // separator: Single separator ASCII char (in lower byte).
3633 3633
3634 // Copy the separator character to the result. 3634 // Copy the separator character to the result.
3635 __ strb(separator, MemOperand(result_pos, 1, PostIndex)); 3635 __ strb(separator, MemOperand(result_pos, 1, PostIndex));
3636 3636
3637 // Copy next array element to the result. 3637 // Copy next array element to the result.
3638 __ bind(&one_char_separator_loop_entry); 3638 __ bind(&one_char_separator_loop_entry);
3639 __ ldr(string, MemOperand(element, kPointerSize, PostIndex)); 3639 __ ldr(string, MemOperand(element, kPointerSize, PostIndex));
3640 __ ldr(string_length, FieldMemOperand(string, String::kLengthOffset)); 3640 __ ldr(string_length, FieldMemOperand(string, String::kLengthOffset));
3641 __ SmiUntag(string_length); 3641 __ SmiUntag(string_length);
3642 __ add(string, string, Operand(SeqAsciiString::kHeaderSize - kHeapObjectTag)); 3642 __ add(string, string, Operand(SeqAsciiString::kHeaderSize - kHeapObjectTag));
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4390 *context_length = 0; 4390 *context_length = 0;
4391 return previous_; 4391 return previous_;
4392 } 4392 }
4393 4393
4394 4394
4395 #undef __ 4395 #undef __
4396 4396
4397 } } // namespace v8::internal 4397 } } // namespace v8::internal
4398 4398
4399 #endif // V8_TARGET_ARCH_ARM 4399 #endif // V8_TARGET_ARCH_ARM
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