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1 // Copyright 2012 the V8 project authors. All rights reserved. | 1 // Copyright 2012 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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1421 // double_exponent may not containe the exponent value if the input was a | 1421 // double_exponent may not containe the exponent value if the input was a |
1422 // smi. We set it with exponent value before bailing out. | 1422 // smi. We set it with exponent value before bailing out. |
1423 __ vmov(single_scratch, exponent); | 1423 __ vmov(single_scratch, exponent); |
1424 __ vcvt_f64_s32(double_exponent, single_scratch); | 1424 __ vcvt_f64_s32(double_exponent, single_scratch); |
1425 | 1425 |
1426 // Returning or bailing out. | 1426 // Returning or bailing out. |
1427 Counters* counters = masm->isolate()->counters(); | 1427 Counters* counters = masm->isolate()->counters(); |
1428 if (exponent_type_ == ON_STACK) { | 1428 if (exponent_type_ == ON_STACK) { |
1429 // The arguments are still on the stack. | 1429 // The arguments are still on the stack. |
1430 __ bind(&call_runtime); | 1430 __ bind(&call_runtime); |
1431 __ TailCallRuntime(Runtime::kMath_pow_cfunction, 2, 1); | 1431 __ TailCallRuntime(Runtime::kHiddenMathPow, 2, 1); |
1432 | 1432 |
1433 // The stub is called from non-optimized code, which expects the result | 1433 // The stub is called from non-optimized code, which expects the result |
1434 // as heap number in exponent. | 1434 // as heap number in exponent. |
1435 __ bind(&done); | 1435 __ bind(&done); |
1436 __ AllocateHeapNumber( | 1436 __ AllocateHeapNumber( |
1437 heapnumber, scratch, scratch2, heapnumbermap, &call_runtime); | 1437 heapnumber, scratch, scratch2, heapnumbermap, &call_runtime); |
1438 __ vstr(double_result, | 1438 __ vstr(double_result, |
1439 FieldMemOperand(heapnumber, HeapNumber::kValueOffset)); | 1439 FieldMemOperand(heapnumber, HeapNumber::kValueOffset)); |
1440 ASSERT(heapnumber.is(r0)); | 1440 ASSERT(heapnumber.is(r0)); |
1441 __ IncrementCounter(counters->math_pow(), 1, scratch, scratch2); | 1441 __ IncrementCounter(counters->math_pow(), 1, scratch, scratch2); |
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5459 MemOperand(fp, 6 * kPointerSize), | 5459 MemOperand(fp, 6 * kPointerSize), |
5460 NULL); | 5460 NULL); |
5461 } | 5461 } |
5462 | 5462 |
5463 | 5463 |
5464 #undef __ | 5464 #undef __ |
5465 | 5465 |
5466 } } // namespace v8::internal | 5466 } } // namespace v8::internal |
5467 | 5467 |
5468 #endif // V8_TARGET_ARCH_ARM | 5468 #endif // V8_TARGET_ARCH_ARM |
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