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1 // Copyright (c) 1994-2006 Sun Microsystems Inc. | 1 // Copyright (c) 1994-2006 Sun Microsystems Inc. |
2 // All Rights Reserved. | 2 // All Rights Reserved. |
3 // | 3 // |
4 // Redistribution and use in source and binary forms, with or without | 4 // Redistribution and use in source and binary forms, with or without |
5 // modification, are permitted provided that the following conditions are | 5 // modification, are permitted provided that the following conditions are |
6 // met: | 6 // met: |
7 // | 7 // |
8 // - Redistributions of source code must retain the above copyright notice, | 8 // - Redistributions of source code must retain the above copyright notice, |
9 // this list of conditions and the following disclaimer. | 9 // this list of conditions and the following disclaimer. |
10 // | 10 // |
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1400 | 1400 |
1401 | 1401 |
1402 ExternalReference | 1402 ExternalReference |
1403 ExternalReference::debug_restarter_frame_function_pointer_address( | 1403 ExternalReference::debug_restarter_frame_function_pointer_address( |
1404 Isolate* isolate) { | 1404 Isolate* isolate) { |
1405 return ExternalReference( | 1405 return ExternalReference( |
1406 isolate->debug()->restarter_frame_function_pointer_address()); | 1406 isolate->debug()->restarter_frame_function_pointer_address()); |
1407 } | 1407 } |
1408 | 1408 |
1409 | 1409 |
| 1410 ExternalReference ExternalReference::vector_store_virtual_register( |
| 1411 Isolate* isolate) { |
| 1412 return ExternalReference(isolate->vector_store_virtual_register_address()); |
| 1413 } |
| 1414 |
| 1415 |
1410 double power_helper(double x, double y) { | 1416 double power_helper(double x, double y) { |
1411 int y_int = static_cast<int>(y); | 1417 int y_int = static_cast<int>(y); |
1412 if (y == y_int) { | 1418 if (y == y_int) { |
1413 return power_double_int(x, y_int); // Returns 1 if exponent is 0. | 1419 return power_double_int(x, y_int); // Returns 1 if exponent is 0. |
1414 } | 1420 } |
1415 if (y == 0.5) { | 1421 if (y == 0.5) { |
1416 return (std::isinf(x)) ? V8_INFINITY | 1422 return (std::isinf(x)) ? V8_INFINITY |
1417 : fast_sqrt(x + 0.0); // Convert -0 to +0. | 1423 : fast_sqrt(x + 0.0); // Convert -0 to +0. |
1418 } | 1424 } |
1419 if (y == -0.5) { | 1425 if (y == -0.5) { |
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1840 | 1846 |
1841 | 1847 |
1842 void Assembler::DataAlign(int m) { | 1848 void Assembler::DataAlign(int m) { |
1843 DCHECK(m >= 2 && base::bits::IsPowerOfTwo32(m)); | 1849 DCHECK(m >= 2 && base::bits::IsPowerOfTwo32(m)); |
1844 while ((pc_offset() & (m - 1)) != 0) { | 1850 while ((pc_offset() & (m - 1)) != 0) { |
1845 db(0); | 1851 db(0); |
1846 } | 1852 } |
1847 } | 1853 } |
1848 } // namespace internal | 1854 } // namespace internal |
1849 } // namespace v8 | 1855 } // namespace v8 |
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