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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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2266 CallIC(stub.GetCode(isolate()), expr->BinaryOperationFeedbackId()); | 2266 CallIC(stub.GetCode(isolate()), expr->BinaryOperationFeedbackId()); |
2267 patch_site.EmitPatchInfo(); | 2267 patch_site.EmitPatchInfo(); |
2268 __ jmp(&done, Label::kNear); | 2268 __ jmp(&done, Label::kNear); |
2269 | 2269 |
2270 // Smi case. | 2270 // Smi case. |
2271 __ bind(&smi_case); | 2271 __ bind(&smi_case); |
2272 __ mov(eax, edx); // Copy left operand in case of a stub call. | 2272 __ mov(eax, edx); // Copy left operand in case of a stub call. |
2273 | 2273 |
2274 switch (op) { | 2274 switch (op) { |
2275 case Token::SAR: | 2275 case Token::SAR: |
2276 __ SmiUntag(eax); | |
2277 __ SmiUntag(ecx); | 2276 __ SmiUntag(ecx); |
2278 __ sar_cl(eax); // No checks of result necessary | 2277 __ sar_cl(eax); // No checks of result necessary |
2279 __ SmiTag(eax); | 2278 __ and_(eax, Immediate(~kSmiTagMask)); |
2280 break; | 2279 break; |
2281 case Token::SHL: { | 2280 case Token::SHL: { |
2282 Label result_ok; | 2281 Label result_ok; |
2283 __ SmiUntag(eax); | 2282 __ SmiUntag(eax); |
2284 __ SmiUntag(ecx); | 2283 __ SmiUntag(ecx); |
2285 __ shl_cl(eax); | 2284 __ shl_cl(eax); |
2286 // Check that the *signed* result fits in a smi. | 2285 // Check that the *signed* result fits in a smi. |
2287 __ cmp(eax, 0xc0000000); | 2286 __ cmp(eax, 0xc0000000); |
2288 __ j(positive, &result_ok); | 2287 __ j(positive, &result_ok); |
2289 __ SmiTag(ecx); | 2288 __ SmiTag(ecx); |
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4911 | 4910 |
4912 ASSERT_EQ(isolate->builtins()->OsrAfterStackCheck()->entry(), | 4911 ASSERT_EQ(isolate->builtins()->OsrAfterStackCheck()->entry(), |
4913 Assembler::target_address_at(call_target_address)); | 4912 Assembler::target_address_at(call_target_address)); |
4914 return OSR_AFTER_STACK_CHECK; | 4913 return OSR_AFTER_STACK_CHECK; |
4915 } | 4914 } |
4916 | 4915 |
4917 | 4916 |
4918 } } // namespace v8::internal | 4917 } } // namespace v8::internal |
4919 | 4918 |
4920 #endif // V8_TARGET_ARCH_IA32 | 4919 #endif // V8_TARGET_ARCH_IA32 |
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