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| 1 // Copyright 2009 the V8 project authors. All rights reserved. | 1 // Copyright 2009 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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| 125 // Allocate an executable page of memory. | 125 // Allocate an executable page of memory. |
| 126 size_t actual_size; | 126 size_t actual_size; |
| 127 byte* buffer = static_cast<byte*>(OS::Allocate(Assembler::kMinimalBufferSize, | 127 byte* buffer = static_cast<byte*>(OS::Allocate(Assembler::kMinimalBufferSize, |
| 128 &actual_size, | 128 &actual_size, |
| 129 true)); | 129 true)); |
| 130 CHECK(buffer); | 130 CHECK(buffer); |
| 131 Assembler assm(buffer, actual_size); | 131 Assembler assm(buffer, actual_size); |
| 132 | 132 |
| 133 // Assemble a simple function that copies argument 2 and returns it. | 133 // Assemble a simple function that copies argument 2 and returns it. |
| 134 __ movq(rax, rsi); | 134 __ movq(rax, rsi); |
| 135 __ add(rax, rdi); | 135 __ addq(rax, rdi); |
| 136 __ ret(0); | 136 __ ret(0); |
| 137 | 137 |
| 138 CodeDesc desc; | 138 CodeDesc desc; |
| 139 assm.GetCode(&desc); | 139 assm.GetCode(&desc); |
| 140 // Call the function from C++. | 140 // Call the function from C++. |
| 141 int result = FUNCTION_CAST<F2>(buffer)(3, 2); | 141 int result = FUNCTION_CAST<F2>(buffer)(3, 2); |
| 142 CHECK_EQ(5, result); | 142 CHECK_EQ(5, result); |
| 143 } | 143 } |
| 144 | 144 |
| 145 TEST(AssemblerX64MemoryOperands) { | 145 TEST(AssemblerX64MemoryOperands) { |
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| 208 true)); | 208 true)); |
| 209 CHECK(buffer); | 209 CHECK(buffer); |
| 210 Assembler assm(buffer, actual_size); | 210 Assembler assm(buffer, actual_size); |
| 211 // Assemble two loops using rax as counter, and verify the ending counts. | 211 // Assemble two loops using rax as counter, and verify the ending counts. |
| 212 Label Fail; | 212 Label Fail; |
| 213 __ movq(rax, Immediate(-3)); | 213 __ movq(rax, Immediate(-3)); |
| 214 Label Loop1_test; | 214 Label Loop1_test; |
| 215 Label Loop1_body; | 215 Label Loop1_body; |
| 216 __ jmp(&Loop1_test); | 216 __ jmp(&Loop1_test); |
| 217 __ bind(&Loop1_body); | 217 __ bind(&Loop1_body); |
| 218 __ add(rax, Immediate(7)); | 218 __ addq(rax, Immediate(7)); |
| 219 __ bind(&Loop1_test); | 219 __ bind(&Loop1_test); |
| 220 __ cmp(rax, Immediate(20)); | 220 __ cmpq(rax, Immediate(20)); |
| 221 __ j(less_equal, &Loop1_body); | 221 __ j(less_equal, &Loop1_body); |
| 222 // Did the loop terminate with the expected value? | 222 // Did the loop terminate with the expected value? |
| 223 __ cmp(rax, Immediate(25)); | 223 __ cmpq(rax, Immediate(25)); |
| 224 __ j(not_equal, &Fail); | 224 __ j(not_equal, &Fail); |
| 225 | 225 |
| 226 Label Loop2_test; | 226 Label Loop2_test; |
| 227 Label Loop2_body; | 227 Label Loop2_body; |
| 228 __ movq(rax, Immediate(0x11FEED00)); | 228 __ movq(rax, Immediate(0x11FEED00)); |
| 229 __ jmp(&Loop2_test); | 229 __ jmp(&Loop2_test); |
| 230 __ bind(&Loop2_body); | 230 __ bind(&Loop2_body); |
| 231 __ add(rax, Immediate(-0x1100)); | 231 __ addq(rax, Immediate(-0x1100)); |
| 232 __ bind(&Loop2_test); | 232 __ bind(&Loop2_test); |
| 233 __ cmp(rax, Immediate(0x11FE8000)); | 233 __ cmpq(rax, Immediate(0x11FE8000)); |
| 234 __ j(greater, &Loop2_body); | 234 __ j(greater, &Loop2_body); |
| 235 // Did the loop terminate with the expected value? | 235 // Did the loop terminate with the expected value? |
| 236 __ cmp(rax, Immediate(0x11FE7600)); | 236 __ cmpq(rax, Immediate(0x11FE7600)); |
| 237 __ j(not_equal, &Fail); | 237 __ j(not_equal, &Fail); |
| 238 | 238 |
| 239 __ movq(rax, Immediate(1)); | 239 __ movq(rax, Immediate(1)); |
| 240 __ ret(0); | 240 __ ret(0); |
| 241 __ bind(&Fail); | 241 __ bind(&Fail); |
| 242 __ movq(rax, Immediate(0)); | 242 __ movq(rax, Immediate(0)); |
| 243 __ ret(0); | 243 __ ret(0); |
| 244 | 244 |
| 245 CodeDesc desc; | 245 CodeDesc desc; |
| 246 assm.GetCode(&desc); | 246 assm.GetCode(&desc); |
| 247 // Call the function from C++. | 247 // Call the function from C++. |
| 248 int result = FUNCTION_CAST<F0>(buffer)(); | 248 int result = FUNCTION_CAST<F0>(buffer)(); |
| 249 CHECK_EQ(1, result); | 249 CHECK_EQ(1, result); |
| 250 } | 250 } |
| 251 | 251 |
| 252 #undef __ | 252 #undef __ |
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