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Issue 11695006: Cleanup RelocInfo::NONE usage. (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Created 7 years, 11 months ago
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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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205 } 205 }
206 206
207 Label valid_result; 207 Label valid_result;
208 Label return_result; 208 Label return_result;
209 // If Invalid Operand or Zero Division exceptions are set, 209 // If Invalid Operand or Zero Division exceptions are set,
210 // return NaN. 210 // return NaN.
211 __ testb(rax, Immediate(5)); 211 __ testb(rax, Immediate(5));
212 __ j(zero, &valid_result); 212 __ j(zero, &valid_result);
213 __ fstp(0); // Drop result in st(0). 213 __ fstp(0); // Drop result in st(0).
214 int64_t kNaNValue = V8_INT64_C(0x7ff8000000000000); 214 int64_t kNaNValue = V8_INT64_C(0x7ff8000000000000);
215 __ movq(rcx, kNaNValue, RelocInfo::NONE); 215 __ movq(rcx, kNaNValue, RelocInfo::NONE64);
216 __ movq(Operand(rsp, kPointerSize), rcx); 216 __ movq(Operand(rsp, kPointerSize), rcx);
217 __ movsd(xmm0, Operand(rsp, kPointerSize)); 217 __ movsd(xmm0, Operand(rsp, kPointerSize));
218 __ jmp(&return_result); 218 __ jmp(&return_result);
219 219
220 // If result is valid, return that. 220 // If result is valid, return that.
221 __ bind(&valid_result); 221 __ bind(&valid_result);
222 __ fstp_d(Operand(rsp, kPointerSize)); 222 __ fstp_d(Operand(rsp, kPointerSize));
223 __ movsd(xmm0, Operand(rsp, kPointerSize)); 223 __ movsd(xmm0, Operand(rsp, kPointerSize));
224 224
225 // Clean up FPU stack and exceptions and return xmm0 225 // Clean up FPU stack and exceptions and return xmm0
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320 kDontSaveFPRegs, 320 kDontSaveFPRegs,
321 EMIT_REMEMBERED_SET, 321 EMIT_REMEMBERED_SET,
322 OMIT_SMI_CHECK); 322 OMIT_SMI_CHECK);
323 323
324 // Convert smis to doubles and holes to hole NaNs. The Array's length 324 // Convert smis to doubles and holes to hole NaNs. The Array's length
325 // remains unchanged. 325 // remains unchanged.
326 STATIC_ASSERT(FixedDoubleArray::kLengthOffset == FixedArray::kLengthOffset); 326 STATIC_ASSERT(FixedDoubleArray::kLengthOffset == FixedArray::kLengthOffset);
327 STATIC_ASSERT(FixedDoubleArray::kHeaderSize == FixedArray::kHeaderSize); 327 STATIC_ASSERT(FixedDoubleArray::kHeaderSize == FixedArray::kHeaderSize);
328 328
329 Label loop, entry, convert_hole; 329 Label loop, entry, convert_hole;
330 __ movq(r15, BitCast<int64_t, uint64_t>(kHoleNanInt64), RelocInfo::NONE); 330 __ movq(r15, BitCast<int64_t, uint64_t>(kHoleNanInt64), RelocInfo::NONE64);
331 // r15: the-hole NaN 331 // r15: the-hole NaN
332 __ jmp(&entry); 332 __ jmp(&entry);
333 333
334 // Allocate new backing store. 334 // Allocate new backing store.
335 __ bind(&new_backing_store); 335 __ bind(&new_backing_store);
336 __ lea(rdi, Operand(r9, times_pointer_size, FixedArray::kHeaderSize)); 336 __ lea(rdi, Operand(r9, times_pointer_size, FixedArray::kHeaderSize));
337 __ AllocateInNewSpace(rdi, r14, r11, r15, fail, TAG_OBJECT); 337 __ AllocateInNewSpace(rdi, r14, r11, r15, fail, TAG_OBJECT);
338 // Set backing store's map 338 // Set backing store's map
339 __ LoadRoot(rdi, Heap::kFixedDoubleArrayMapRootIndex); 339 __ LoadRoot(rdi, Heap::kFixedDoubleArrayMapRootIndex);
340 __ movq(FieldOperand(r14, HeapObject::kMapOffset), rdi); 340 __ movq(FieldOperand(r14, HeapObject::kMapOffset), rdi);
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418 // r9 : number of elements 418 // r9 : number of elements
419 __ lea(rdi, Operand(r9, times_pointer_size, FixedArray::kHeaderSize)); 419 __ lea(rdi, Operand(r9, times_pointer_size, FixedArray::kHeaderSize));
420 __ AllocateInNewSpace(rdi, r11, r14, r15, &gc_required, TAG_OBJECT); 420 __ AllocateInNewSpace(rdi, r11, r14, r15, &gc_required, TAG_OBJECT);
421 // r11: destination FixedArray 421 // r11: destination FixedArray
422 __ LoadRoot(rdi, Heap::kFixedArrayMapRootIndex); 422 __ LoadRoot(rdi, Heap::kFixedArrayMapRootIndex);
423 __ movq(FieldOperand(r11, HeapObject::kMapOffset), rdi); 423 __ movq(FieldOperand(r11, HeapObject::kMapOffset), rdi);
424 __ Integer32ToSmi(r14, r9); 424 __ Integer32ToSmi(r14, r9);
425 __ movq(FieldOperand(r11, FixedArray::kLengthOffset), r14); 425 __ movq(FieldOperand(r11, FixedArray::kLengthOffset), r14);
426 426
427 // Prepare for conversion loop. 427 // Prepare for conversion loop.
428 __ movq(rsi, BitCast<int64_t, uint64_t>(kHoleNanInt64), RelocInfo::NONE); 428 __ movq(rsi, BitCast<int64_t, uint64_t>(kHoleNanInt64), RelocInfo::NONE64);
429 __ LoadRoot(rdi, Heap::kTheHoleValueRootIndex); 429 __ LoadRoot(rdi, Heap::kTheHoleValueRootIndex);
430 // rsi: the-hole NaN 430 // rsi: the-hole NaN
431 // rdi: pointer to the-hole 431 // rdi: pointer to the-hole
432 __ jmp(&entry); 432 __ jmp(&entry);
433 433
434 // Call into runtime if GC is required. 434 // Call into runtime if GC is required.
435 __ bind(&gc_required); 435 __ bind(&gc_required);
436 __ pop(rax); 436 __ pop(rax);
437 __ movq(rsi, Operand(rbp, StandardFrameConstants::kContextOffset)); 437 __ movq(rsi, Operand(rbp, StandardFrameConstants::kContextOffset));
438 __ jmp(fail); 438 __ jmp(fail);
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758 CodePatcher patcher(sequence, young_length); 758 CodePatcher patcher(sequence, young_length);
759 patcher.masm()->call(stub->instruction_start()); 759 patcher.masm()->call(stub->instruction_start());
760 patcher.masm()->nop(); 760 patcher.masm()->nop();
761 } 761 }
762 } 762 }
763 763
764 764
765 } } // namespace v8::internal 765 } } // namespace v8::internal
766 766
767 #endif // V8_TARGET_ARCH_X64 767 #endif // V8_TARGET_ARCH_X64
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