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Issue 194473005: A64: Rename k<Y>RegSize to k<Y>RegSizeInBits, and k<Y>RegSizeInBytes to k<Y>RegSize. (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Created 6 years, 9 months ago
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1 // Copyright 2013 the V8 project authors. All rights reserved. 1 // Copyright 2013 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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172 // TODO(jbramley): Why can't this handle callee-saved registers? 172 // TODO(jbramley): Why can't this handle callee-saved registers?
173 ASSERT((~kCallerSaved.list() & object_regs) == 0); 173 ASSERT((~kCallerSaved.list() & object_regs) == 0);
174 ASSERT((~kCallerSaved.list() & non_object_regs) == 0); 174 ASSERT((~kCallerSaved.list() & non_object_regs) == 0);
175 ASSERT((object_regs & non_object_regs) == 0); 175 ASSERT((object_regs & non_object_regs) == 0);
176 ASSERT((scratch.Bit() & object_regs) == 0); 176 ASSERT((scratch.Bit() & object_regs) == 0);
177 ASSERT((scratch.Bit() & non_object_regs) == 0); 177 ASSERT((scratch.Bit() & non_object_regs) == 0);
178 ASSERT((masm->TmpList()->list() & (object_regs | non_object_regs)) == 0); 178 ASSERT((masm->TmpList()->list() & (object_regs | non_object_regs)) == 0);
179 STATIC_ASSERT(kSmiValueSize == 32); 179 STATIC_ASSERT(kSmiValueSize == 32);
180 180
181 CPURegList non_object_list = 181 CPURegList non_object_list =
182 CPURegList(CPURegister::kRegister, kXRegSize, non_object_regs); 182 CPURegList(CPURegister::kRegister, kXRegSizeInBits, non_object_regs);
183 while (!non_object_list.IsEmpty()) { 183 while (!non_object_list.IsEmpty()) {
184 // Store each non-object register as two SMIs. 184 // Store each non-object register as two SMIs.
185 Register reg = Register(non_object_list.PopLowestIndex()); 185 Register reg = Register(non_object_list.PopLowestIndex());
186 __ Push(reg); 186 __ Push(reg);
187 __ Poke(wzr, 0); 187 __ Poke(wzr, 0);
188 __ Push(reg.W(), wzr); 188 __ Push(reg.W(), wzr);
189 // Stack: 189 // Stack:
190 // jssp[12]: reg[63:32] 190 // jssp[12]: reg[63:32]
191 // jssp[8]: 0x00000000 (SMI tag & padding) 191 // jssp[8]: 0x00000000 (SMI tag & padding)
192 // jssp[4]: reg[31:0] 192 // jssp[4]: reg[31:0]
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206 206
207 CEntryStub stub(1); 207 CEntryStub stub(1);
208 __ CallStub(&stub); 208 __ CallStub(&stub);
209 209
210 // Restore the register values from the expression stack. 210 // Restore the register values from the expression stack.
211 if (object_regs != 0) { 211 if (object_regs != 0) {
212 __ PopXRegList(object_regs); 212 __ PopXRegList(object_regs);
213 } 213 }
214 214
215 non_object_list = 215 non_object_list =
216 CPURegList(CPURegister::kRegister, kXRegSize, non_object_regs); 216 CPURegList(CPURegister::kRegister, kXRegSizeInBits, non_object_regs);
217 while (!non_object_list.IsEmpty()) { 217 while (!non_object_list.IsEmpty()) {
218 // Load each non-object register from two SMIs. 218 // Load each non-object register from two SMIs.
219 // Stack: 219 // Stack:
220 // jssp[12]: reg[63:32] 220 // jssp[12]: reg[63:32]
221 // jssp[8]: 0x00000000 (SMI tag & padding) 221 // jssp[8]: 0x00000000 (SMI tag & padding)
222 // jssp[4]: reg[31:0] 222 // jssp[4]: reg[31:0]
223 // jssp[0]: 0x00000000 (SMI tag & padding) 223 // jssp[0]: 0x00000000 (SMI tag & padding)
224 Register reg = Register(non_object_list.PopHighestIndex()); 224 Register reg = Register(non_object_list.PopHighestIndex());
225 __ Pop(scratch, reg); 225 __ Pop(scratch, reg);
226 __ Bfxil(reg, scratch, 32, 32); 226 __ Bfxil(reg, scratch, 32, 32);
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384 masm->Abort(kLiveEditFrameDroppingIsNotSupportedOnA64); 384 masm->Abort(kLiveEditFrameDroppingIsNotSupportedOnA64);
385 } 385 }
386 386
387 const bool Debug::kFrameDropperSupported = false; 387 const bool Debug::kFrameDropperSupported = false;
388 388
389 #endif // ENABLE_DEBUGGER_SUPPORT 389 #endif // ENABLE_DEBUGGER_SUPPORT
390 390
391 } } // namespace v8::internal 391 } } // namespace v8::internal
392 392
393 #endif // V8_TARGET_ARCH_A64 393 #endif // V8_TARGET_ARCH_A64
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