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| 1 // Copyright 2006-2008 the V8 project authors. All rights reserved. | 1 // Copyright 2006-2008 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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| 173 | 173 |
| 174 // Check if result is zero and op is negative. | 174 // Check if result is zero and op is negative. |
| 175 void NegativeZeroTest(Register result, Register op, Label* then_label); | 175 void NegativeZeroTest(Register result, Register op, Label* then_label); |
| 176 | 176 |
| 177 // Check if result is zero and any of op1 and op2 are negative. | 177 // Check if result is zero and any of op1 and op2 are negative. |
| 178 // Register scratch is destroyed, and it must be different from op2. | 178 // Register scratch is destroyed, and it must be different from op2. |
| 179 void NegativeZeroTest(Register result, Register op1, Register op2, | 179 void NegativeZeroTest(Register result, Register op1, Register op2, |
| 180 Register scratch, Label* then_label); | 180 Register scratch, Label* then_label); |
| 181 | 181 |
| 182 // Generates code for reporting that an illegal operation has | 182 // Generates code for reporting that an illegal operation has |
| 183 // occurred | 183 // occurred. |
| 184 void IllegalOperation(); | 184 void IllegalOperation(int num_arguments); |
| 185 | 185 |
| 186 // --------------------------------------------------------------------------- | 186 // --------------------------------------------------------------------------- |
| 187 // Runtime calls | 187 // Runtime calls |
| 188 | 188 |
| 189 // Call a code stub. | 189 // Call a code stub. |
| 190 void CallStub(CodeStub* stub); | 190 void CallStub(CodeStub* stub); |
| 191 | 191 |
| 192 // Return from a code stub after popping its arguments. | 192 // Return from a code stub after popping its arguments. |
| 193 void StubReturn(int argc); | 193 void StubReturn(int argc); |
| 194 | 194 |
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| 300 Register index, | 300 Register index, |
| 301 ScaleFactor scale, | 301 ScaleFactor scale, |
| 302 int offset) { | 302 int offset) { |
| 303 return Operand(object, index, scale, offset - kHeapObjectTag); | 303 return Operand(object, index, scale, offset - kHeapObjectTag); |
| 304 } | 304 } |
| 305 | 305 |
| 306 | 306 |
| 307 } } // namespace v8::internal | 307 } } // namespace v8::internal |
| 308 | 308 |
| 309 #endif // V8_MACRO_ASSEMBLER_IA32_H_ | 309 #endif // V8_MACRO_ASSEMBLER_IA32_H_ |
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