Mercurial > jdk8-mips64-public > hotspot / file comparison
comparison: src/cpu/sparc/vm/c1_LIRAssembler_sparc.cpp
src/cpu/sparc/vm/c1_LIRAssembler_sparc.cpp
- changeset 2731
- bb22629531fa
- parent 2728
- 13bc79b5c9c8
- child 3037
- 3d42f82cd811
equal
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| 2729:e863062e521d | 2731:bb22629531fa |
|---|---|
| 2056 int flags = op->flags(); | 2056 int flags = op->flags(); |
| 2057 ciArrayKlass* default_type = op->expected_type(); | 2057 ciArrayKlass* default_type = op->expected_type(); |
| 2058 BasicType basic_type = default_type != NULL ? default_type->element_type()->basic_type() : T_ILLEGAL; | 2058 BasicType basic_type = default_type != NULL ? default_type->element_type()->basic_type() : T_ILLEGAL; |
| 2059 if (basic_type == T_ARRAY) basic_type = T_OBJECT; | 2059 if (basic_type == T_ARRAY) basic_type = T_OBJECT; |
| 2060 | 2060 |
| 2061 #ifdef _LP64 | |
| 2062 // higher 32bits must be null | |
| 2063 __ sra(dst_pos, 0, dst_pos); | |
| 2064 __ sra(src_pos, 0, src_pos); | |
| 2065 __ sra(length, 0, length); | |
| 2066 #endif | |
| 2067 | |
| 2061 // set up the arraycopy stub information | 2068 // set up the arraycopy stub information |
| 2062 ArrayCopyStub* stub = op->stub(); | 2069 ArrayCopyStub* stub = op->stub(); |
| 2063 | 2070 |
| 2064 // always do stub if no type information is available. it's ok if | 2071 // always do stub if no type information is available. it's ok if |
| 2065 // the known type isn't loaded since the code sanity checks | 2072 // the known type isn't loaded since the code sanity checks |
| 2148 __ add(length, dst_pos, tmp); | 2155 __ add(length, dst_pos, tmp); |
| 2149 __ cmp(tmp2, tmp); | 2156 __ cmp(tmp2, tmp); |
| 2150 __ br(Assembler::carrySet, false, Assembler::pn, *stub->entry()); | 2157 __ br(Assembler::carrySet, false, Assembler::pn, *stub->entry()); |
| 2151 __ delayed()->nop(); | 2158 __ delayed()->nop(); |
| 2152 } | 2159 } |
| 2153 | |
| 2154 #ifndef _LP64 | |
| 2155 __ sra(dst_pos, 0, dst_pos); //higher 32bits must be null | |
| 2156 __ sra(src_pos, 0, src_pos); //higher 32bits must be null | |
| 2157 #endif | |
| 2158 | 2160 |
| 2159 int shift = shift_amount(basic_type); | 2161 int shift = shift_amount(basic_type); |
| 2160 | 2162 |
| 2161 if (flags & LIR_OpArrayCopy::type_check) { | 2163 if (flags & LIR_OpArrayCopy::type_check) { |
| 2162 // We don't know the array types are compatible | 2164 // We don't know the array types are compatible |
| 2241 __ add(dst_ptr, dst_pos, dst_ptr); | 2243 __ add(dst_ptr, dst_pos, dst_ptr); |
| 2242 } else { | 2244 } else { |
| 2243 __ sll(dst_pos, shift, tmp); | 2245 __ sll(dst_pos, shift, tmp); |
| 2244 __ add(dst_ptr, tmp, dst_ptr); | 2246 __ add(dst_ptr, tmp, dst_ptr); |
| 2245 } | 2247 } |
| 2246 LP64_ONLY( __ sra(length, 0, length)); //higher 32bits must be null | |
| 2247 __ mov(length, len); | 2248 __ mov(length, len); |
| 2248 __ load_klass(dst, tmp); | 2249 __ load_klass(dst, tmp); |
| 2249 | 2250 |
| 2250 int ek_offset = (klassOopDesc::header_size() * HeapWordSize + | 2251 int ek_offset = (klassOopDesc::header_size() * HeapWordSize + |
| 2251 objArrayKlass::element_klass_offset_in_bytes()); | 2252 objArrayKlass::element_klass_offset_in_bytes()); |
