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1 // Copyright 2010 the V8 project authors. All rights reserved. | 1 // Copyright 2010 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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273 t.b = 2.75; | 273 t.b = 2.75; |
274 t.c = 17.17; | 274 t.c = 17.17; |
275 Object* dummy = CALL_GENERATED_CODE(f, &t, 0, 0, 0, 0); | 275 Object* dummy = CALL_GENERATED_CODE(f, &t, 0, 0, 0, 0); |
276 USE(dummy); | 276 USE(dummy); |
277 CHECK_EQ(4.25, t.c); | 277 CHECK_EQ(4.25, t.c); |
278 CHECK_EQ(4.25, t.b); | 278 CHECK_EQ(4.25, t.b); |
279 CHECK_EQ(1.5, t.a); | 279 CHECK_EQ(1.5, t.a); |
280 } | 280 } |
281 } | 281 } |
282 | 282 |
| 283 |
| 284 TEST(5) { |
| 285 // Test the ARMv7 bitfield instructions. |
| 286 InitializeVM(); |
| 287 v8::HandleScope scope; |
| 288 |
| 289 Assembler assm(NULL, 0); |
| 290 |
| 291 // On entry, r0 = 0xAAAAAAAA = 0b10..10101010. |
| 292 __ ubfx(r0, r0, 1, 12); // 0b00..010101010101 = 0x555 |
| 293 __ sbfx(r0, r0, 0, 5); // 0b11..111111110101 = -11 |
| 294 __ bfc(r0, 1, 3); // 0b11..111111110001 = -15 |
| 295 __ mov(r1, Operand(7)); |
| 296 __ bfi(r0, r1, 3, 3); // 0b11..111111111001 = -7 |
| 297 __ mov(pc, Operand(lr)); |
| 298 |
| 299 CodeDesc desc; |
| 300 assm.GetCode(&desc); |
| 301 Object* code = Heap::CreateCode(desc, |
| 302 NULL, |
| 303 Code::ComputeFlags(Code::STUB), |
| 304 Handle<Object>(Heap::undefined_value())); |
| 305 CHECK(code->IsCode()); |
| 306 #ifdef DEBUG |
| 307 Code::cast(code)->Print(); |
| 308 #endif |
| 309 F1 f = FUNCTION_CAST<F1>(Code::cast(code)->entry()); |
| 310 int res = reinterpret_cast<int>( |
| 311 CALL_GENERATED_CODE(f, 0xAAAAAAAA, 0, 0, 0, 0)); |
| 312 ::printf("f() = %d\n", res); |
| 313 CHECK_EQ(-7, res); |
| 314 } |
| 315 |
283 #undef __ | 316 #undef __ |
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