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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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1262 Label done, remainder_eq_dividend, slow, both_positive; | 1262 Label done, remainder_eq_dividend, slow, both_positive; |
1263 Register left_reg = ToRegister(instr->left()); | 1263 Register left_reg = ToRegister(instr->left()); |
1264 Register right_reg = ToRegister(instr->right()); | 1264 Register right_reg = ToRegister(instr->right()); |
1265 Register result_reg = ToRegister(instr->result()); | 1265 Register result_reg = ToRegister(instr->result()); |
1266 | 1266 |
1267 ASSERT(left_reg.is(eax)); | 1267 ASSERT(left_reg.is(eax)); |
1268 ASSERT(result_reg.is(edx)); | 1268 ASSERT(result_reg.is(edx)); |
1269 ASSERT(!right_reg.is(eax)); | 1269 ASSERT(!right_reg.is(eax)); |
1270 ASSERT(!right_reg.is(edx)); | 1270 ASSERT(!right_reg.is(edx)); |
1271 | 1271 |
1272 Comment(";;; modi has_fixed_right_arg:%d fixed_right_arg_value:%d", | |
Jakob Kummerow
2013/06/03 09:49:30
This looks like a debugging leftover.
Sven Panne
2013/06/03 12:37:02
Done.
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1273 instr->hydrogen()->has_fixed_right_arg(), | |
1274 instr->hydrogen()->fixed_right_arg_value()); | |
1275 | |
1272 // Check for x % 0. | 1276 // Check for x % 0. |
1273 if (instr->hydrogen()->CheckFlag(HValue::kCanBeDivByZero)) { | 1277 if (instr->hydrogen()->CheckFlag(HValue::kCanBeDivByZero)) { |
1274 __ test(right_reg, Operand(right_reg)); | 1278 __ test(right_reg, Operand(right_reg)); |
1275 DeoptimizeIf(zero, instr->environment()); | 1279 DeoptimizeIf(zero, instr->environment()); |
1276 } | 1280 } |
1277 | 1281 |
1278 __ test(left_reg, Operand(left_reg)); | 1282 __ test(left_reg, Operand(left_reg)); |
1279 __ j(zero, &remainder_eq_dividend, Label::kNear); | 1283 __ j(zero, &remainder_eq_dividend, Label::kNear); |
1280 __ j(sign, &slow, Label::kNear); | 1284 __ j(sign, &slow, Label::kNear); |
1281 | 1285 |
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6563 FixedArray::kHeaderSize - kPointerSize)); | 6567 FixedArray::kHeaderSize - kPointerSize)); |
6564 __ bind(&done); | 6568 __ bind(&done); |
6565 } | 6569 } |
6566 | 6570 |
6567 | 6571 |
6568 #undef __ | 6572 #undef __ |
6569 | 6573 |
6570 } } // namespace v8::internal | 6574 } } // namespace v8::internal |
6571 | 6575 |
6572 #endif // V8_TARGET_ARCH_IA32 | 6576 #endif // V8_TARGET_ARCH_IA32 |
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