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Issue 25679008: Revert "Add support to load/store byte fields." and "MIPS: Add support to load/store byte fields.". (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Created 7 years, 2 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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940 cvtlsi2sd(dst, src); 940 cvtlsi2sd(dst, src);
941 } 941 }
942 942
943 943
944 void MacroAssembler::Cvtlsi2sd(XMMRegister dst, const Operand& src) { 944 void MacroAssembler::Cvtlsi2sd(XMMRegister dst, const Operand& src) {
945 xorps(dst, dst); 945 xorps(dst, dst);
946 cvtlsi2sd(dst, src); 946 cvtlsi2sd(dst, src);
947 } 947 }
948 948
949 949
950 void MacroAssembler::Load(Register dst, const Operand& src, Representation r) {
951 if (r.IsByte()) {
952 movzxbl(dst, src);
953 } else if (r.IsInteger32()) {
954 movl(dst, src);
955 } else {
956 movq(dst, src);
957 }
958 }
959
960
961 void MacroAssembler::Store(const Operand& dst, Register src, Representation r) {
962 if (r.IsByte()) {
963 movb(dst, src);
964 } else if (r.IsInteger32()) {
965 movl(dst, src);
966 } else {
967 movq(dst, src);
968 }
969 }
970
971
972 void MacroAssembler::Set(Register dst, int64_t x) { 950 void MacroAssembler::Set(Register dst, int64_t x) {
973 if (x == 0) { 951 if (x == 0) {
974 xorl(dst, dst); 952 xorl(dst, dst);
975 } else if (is_uint32(x)) { 953 } else if (is_uint32(x)) {
976 movl(dst, Immediate(static_cast<uint32_t>(x))); 954 movl(dst, Immediate(static_cast<uint32_t>(x)));
977 } else if (is_int32(x)) { 955 } else if (is_int32(x)) {
978 movq(dst, Immediate(static_cast<int32_t>(x))); 956 movq(dst, Immediate(static_cast<int32_t>(x)));
979 } else { 957 } else {
980 movq(dst, x, RelocInfo::NONE64); 958 movq(dst, x, RelocInfo::NONE64);
981 } 959 }
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4927 j(greater, &no_memento_available); 4905 j(greater, &no_memento_available);
4928 CompareRoot(MemOperand(scratch_reg, -AllocationMemento::kSize), 4906 CompareRoot(MemOperand(scratch_reg, -AllocationMemento::kSize),
4929 Heap::kAllocationMementoMapRootIndex); 4907 Heap::kAllocationMementoMapRootIndex);
4930 bind(&no_memento_available); 4908 bind(&no_memento_available);
4931 } 4909 }
4932 4910
4933 4911
4934 } } // namespace v8::internal 4912 } } // namespace v8::internal
4935 4913
4936 #endif // V8_TARGET_ARCH_X64 4914 #endif // V8_TARGET_ARCH_X64
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