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1 // Copyright 2014 the V8 project authors. All rights reserved. | 1 // Copyright 2014 the V8 project authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #if V8_TARGET_ARCH_PPC | 5 #if V8_TARGET_ARCH_PPC |
6 | 6 |
7 #include "src/code-stubs.h" | 7 #include "src/code-stubs.h" |
8 #include "src/api-arguments.h" | 8 #include "src/api-arguments.h" |
9 #include "src/base/bits.h" | 9 #include "src/base/bits.h" |
10 #include "src/bootstrapper.h" | 10 #include "src/bootstrapper.h" |
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2200 __ bind(&byte_loop); | 2200 __ bind(&byte_loop); |
2201 __ lbz(scratch, MemOperand(src)); | 2201 __ lbz(scratch, MemOperand(src)); |
2202 __ addi(src, src, Operand(1)); | 2202 __ addi(src, src, Operand(1)); |
2203 __ stb(scratch, MemOperand(dest)); | 2203 __ stb(scratch, MemOperand(dest)); |
2204 __ addi(dest, dest, Operand(1)); | 2204 __ addi(dest, dest, Operand(1)); |
2205 __ bdnz(&byte_loop); | 2205 __ bdnz(&byte_loop); |
2206 | 2206 |
2207 __ bind(&done); | 2207 __ bind(&done); |
2208 } | 2208 } |
2209 | 2209 |
2210 void ToStringStub::Generate(MacroAssembler* masm) { | |
2211 // The ToString stub takes one argument in r3. | |
2212 Label is_number; | |
2213 __ JumpIfSmi(r3, &is_number); | |
2214 | |
2215 __ CompareObjectType(r3, r4, r4, FIRST_NONSTRING_TYPE); | |
2216 // r3: receiver | |
2217 // r4: receiver instance type | |
2218 __ Ret(lt); | |
2219 | |
2220 Label not_heap_number; | |
2221 __ cmpi(r4, Operand(HEAP_NUMBER_TYPE)); | |
2222 __ bne(¬_heap_number); | |
2223 __ bind(&is_number); | |
2224 NumberToStringStub stub(isolate()); | |
2225 __ TailCallStub(&stub); | |
2226 __ bind(¬_heap_number); | |
2227 | |
2228 Label not_oddball; | |
2229 __ cmpi(r4, Operand(ODDBALL_TYPE)); | |
2230 __ bne(¬_oddball); | |
2231 __ LoadP(r3, FieldMemOperand(r3, Oddball::kToStringOffset)); | |
2232 __ Ret(); | |
2233 __ bind(¬_oddball); | |
2234 | |
2235 __ push(r3); // Push argument. | |
2236 __ TailCallRuntime(Runtime::kToString); | |
2237 } | |
2238 | |
2239 | 2210 |
2240 void StringHelper::GenerateFlatOneByteStringEquals(MacroAssembler* masm, | 2211 void StringHelper::GenerateFlatOneByteStringEquals(MacroAssembler* masm, |
2241 Register left, | 2212 Register left, |
2242 Register right, | 2213 Register right, |
2243 Register scratch1, | 2214 Register scratch1, |
2244 Register scratch2) { | 2215 Register scratch2) { |
2245 Register length = scratch1; | 2216 Register length = scratch1; |
2246 | 2217 |
2247 // Compare lengths. | 2218 // Compare lengths. |
2248 Label strings_not_equal, check_zero_length; | 2219 Label strings_not_equal, check_zero_length; |
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5214 fp, (PropertyCallbackArguments::kReturnValueOffset + 3) * kPointerSize); | 5185 fp, (PropertyCallbackArguments::kReturnValueOffset + 3) * kPointerSize); |
5215 CallApiFunctionAndReturn(masm, api_function_address, thunk_ref, | 5186 CallApiFunctionAndReturn(masm, api_function_address, thunk_ref, |
5216 kStackUnwindSpace, NULL, return_value_operand, NULL); | 5187 kStackUnwindSpace, NULL, return_value_operand, NULL); |
5217 } | 5188 } |
5218 | 5189 |
5219 #undef __ | 5190 #undef __ |
5220 } // namespace internal | 5191 } // namespace internal |
5221 } // namespace v8 | 5192 } // namespace v8 |
5222 | 5193 |
5223 #endif // V8_TARGET_ARCH_PPC | 5194 #endif // V8_TARGET_ARCH_PPC |
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