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Issue 19752004: Add the emitp function for X64 assembler (Closed) Base URL: http://v8.googlecode.com/svn/branches/bleeding_edge/
Patch Set: Created 7 years, 5 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
(...skipping 1359 matching lines...) Expand 10 before | Expand all | Expand 10 after
1370 emit_optional_rex_32(dst, src); 1370 emit_optional_rex_32(dst, src);
1371 emit(0x8D); 1371 emit(0x8D);
1372 emit_operand(dst, src); 1372 emit_operand(dst, src);
1373 } 1373 }
1374 1374
1375 1375
1376 void Assembler::load_rax(void* value, RelocInfo::Mode mode) { 1376 void Assembler::load_rax(void* value, RelocInfo::Mode mode) {
1377 EnsureSpace ensure_space(this); 1377 EnsureSpace ensure_space(this);
1378 emit(0x48); // REX.W 1378 emit(0x48); // REX.W
1379 emit(0xA1); 1379 emit(0xA1);
1380 emitq(reinterpret_cast<uintptr_t>(value), mode); 1380 emitp(value, mode);
1381 } 1381 }
1382 1382
1383 1383
1384 void Assembler::load_rax(ExternalReference ref) { 1384 void Assembler::load_rax(ExternalReference ref) {
1385 load_rax(ref.address(), RelocInfo::EXTERNAL_REFERENCE); 1385 load_rax(ref.address(), RelocInfo::EXTERNAL_REFERENCE);
1386 } 1386 }
1387 1387
1388 1388
1389 void Assembler::leave() { 1389 void Assembler::leave() {
1390 EnsureSpace ensure_space(this); 1390 EnsureSpace ensure_space(this);
(...skipping 131 matching lines...) Expand 10 before | Expand all | Expand 10 after
1522 } 1522 }
1523 1523
1524 1524
1525 void Assembler::movq(Register dst, void* value, RelocInfo::Mode rmode) { 1525 void Assembler::movq(Register dst, void* value, RelocInfo::Mode rmode) {
1526 // This method must not be used with heap object references. The stored 1526 // This method must not be used with heap object references. The stored
1527 // address is not GC safe. Use the handle version instead. 1527 // address is not GC safe. Use the handle version instead.
1528 ASSERT(rmode > RelocInfo::LAST_GCED_ENUM); 1528 ASSERT(rmode > RelocInfo::LAST_GCED_ENUM);
1529 EnsureSpace ensure_space(this); 1529 EnsureSpace ensure_space(this);
1530 emit_rex_64(dst); 1530 emit_rex_64(dst);
1531 emit(0xB8 | dst.low_bits()); 1531 emit(0xB8 | dst.low_bits());
1532 emitq(reinterpret_cast<uintptr_t>(value), rmode); 1532 emitp(value, rmode);
1533 } 1533 }
1534 1534
1535 1535
1536 void Assembler::movq(Register dst, int64_t value, RelocInfo::Mode rmode) { 1536 void Assembler::movq(Register dst, int64_t value, RelocInfo::Mode rmode) {
1537 // Non-relocatable values might not need a 64-bit representation. 1537 // Non-relocatable values might not need a 64-bit representation.
1538 if (RelocInfo::IsNone(rmode)) { 1538 if (RelocInfo::IsNone(rmode)) {
1539 if (is_uint32(value)) { 1539 if (is_uint32(value)) {
1540 movl(dst, Immediate(static_cast<int32_t>(value))); 1540 movl(dst, Immediate(static_cast<int32_t>(value)));
1541 return; 1541 return;
1542 } else if (is_int32(value)) { 1542 } else if (is_int32(value)) {
(...skipping 56 matching lines...) Expand 10 before | Expand all | Expand 10 after
1599 // There is no possible reason to store a heap pointer without relocation 1599 // There is no possible reason to store a heap pointer without relocation
1600 // info, so it must be a smi. 1600 // info, so it must be a smi.
1601 ASSERT(value->IsSmi()); 1601 ASSERT(value->IsSmi());
1602 movq(dst, reinterpret_cast<int64_t>(*value), RelocInfo::NONE64); 1602 movq(dst, reinterpret_cast<int64_t>(*value), RelocInfo::NONE64);
1603 } else { 1603 } else {
1604 EnsureSpace ensure_space(this); 1604 EnsureSpace ensure_space(this);
1605 ASSERT(value->IsHeapObject()); 1605 ASSERT(value->IsHeapObject());
1606 ASSERT(!HEAP->InNewSpace(*value)); 1606 ASSERT(!HEAP->InNewSpace(*value));
1607 emit_rex_64(dst); 1607 emit_rex_64(dst);
1608 emit(0xB8 | dst.low_bits()); 1608 emit(0xB8 | dst.low_bits());
1609 emitq(reinterpret_cast<uintptr_t>(value.location()), mode); 1609 emitp(value.location(), mode);
1610 } 1610 }
1611 } 1611 }
1612 1612
1613 1613
1614 void Assembler::movsxbq(Register dst, const Operand& src) { 1614 void Assembler::movsxbq(Register dst, const Operand& src) {
1615 EnsureSpace ensure_space(this); 1615 EnsureSpace ensure_space(this);
1616 emit_rex_64(dst, src); 1616 emit_rex_64(dst, src);
1617 emit(0x0F); 1617 emit(0x0F);
1618 emit(0xBE); 1618 emit(0xBE);
1619 emit_operand(dst, src); 1619 emit_operand(dst, src);
(...skipping 371 matching lines...) Expand 10 before | Expand all | Expand 10 after
1991 emit(0x87); 1991 emit(0x87);
1992 emit_modrm(src, dst); 1992 emit_modrm(src, dst);
1993 } 1993 }
1994 } 1994 }
1995 1995
1996 1996
1997 void Assembler::store_rax(void* dst, RelocInfo::Mode mode) { 1997 void Assembler::store_rax(void* dst, RelocInfo::Mode mode) {
1998 EnsureSpace ensure_space(this); 1998 EnsureSpace ensure_space(this);
1999 emit(0x48); // REX.W 1999 emit(0x48); // REX.W
2000 emit(0xA3); 2000 emit(0xA3);
2001 emitq(reinterpret_cast<uintptr_t>(dst), mode); 2001 emitp(dst, mode);
2002 } 2002 }
2003 2003
2004 2004
2005 void Assembler::store_rax(ExternalReference ref) { 2005 void Assembler::store_rax(ExternalReference ref) {
2006 store_rax(ref.address(), RelocInfo::EXTERNAL_REFERENCE); 2006 store_rax(ref.address(), RelocInfo::EXTERNAL_REFERENCE);
2007 } 2007 }
2008 2008
2009 2009
2010 void Assembler::testb(Register dst, Register src) { 2010 void Assembler::testb(Register dst, Register src) {
2011 EnsureSpace ensure_space(this); 2011 EnsureSpace ensure_space(this);
(...skipping 1101 matching lines...) Expand 10 before | Expand all | Expand 10 after
3113 bool RelocInfo::IsCodedSpecially() { 3113 bool RelocInfo::IsCodedSpecially() {
3114 // The deserializer needs to know whether a pointer is specially coded. Being 3114 // The deserializer needs to know whether a pointer is specially coded. Being
3115 // specially coded on x64 means that it is a relative 32 bit address, as used 3115 // specially coded on x64 means that it is a relative 32 bit address, as used
3116 // by branch instructions. 3116 // by branch instructions.
3117 return (1 << rmode_) & kApplyMask; 3117 return (1 << rmode_) & kApplyMask;
3118 } 3118 }
3119 3119
3120 } } // namespace v8::internal 3120 } } // namespace v8::internal
3121 3121
3122 #endif // V8_TARGET_ARCH_X64 3122 #endif // V8_TARGET_ARCH_X64
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