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7018378: JSR 292: _bound_int_mh produces wrong result on 64-bit SPARC

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Reviewed-by: kvn
This commit is contained in:
Christian Thalinger 2011-02-14 03:21:18 -08:00
parent add4b5bf69
commit c2b37037c6
6 changed files with 63 additions and 48 deletions
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21
hotspot/src/cpu/sparc/vm/methodHandles_sparc.cpp
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@ -596,16 +596,9 @@ void MethodHandles::generate_method_handle_stub(MacroAssembler* _masm, MethodHan
__ st_ptr(O1_scratch, Address(O0_argslot, 0));
} else {
Address prim_value_addr(O1_scratch, java_lang_boxing_object::value_offset_in_bytes(arg_type));
__ load_sized_value(prim_value_addr, O2_scratch, type2aelembytes(arg_type), is_signed_subword_type(arg_type));
if (arg_slots == 2) {
__ unimplemented("not yet tested");
#ifndef _LP64
__ signx(O2_scratch, O3_scratch); // Sign extend
#endif
__ st_long(O2_scratch, Address(O0_argslot, 0)); // Uses O2/O3 on !_LP64
} else {
__ st_ptr( O2_scratch, Address(O0_argslot, 0));
}
const int arg_size = type2aelembytes(arg_type);
__ load_sized_value(prim_value_addr, O2_scratch, arg_size, is_signed_subword_type(arg_type));
__ store_sized_value(O2_scratch, Address(O0_argslot, 0), arg_size); // long store uses O2/O3 on !_LP64
}
if (direct_to_method) {
@ -784,11 +777,9 @@ void MethodHandles::generate_method_handle_stub(MacroAssembler* _masm, MethodHan
switch (ek) {
case _adapter_opt_i2l:
{
__ ldsw(arg_lsw, O2_scratch); // Load LSW
#ifndef _LP64
__ signx(O2_scratch, O3_scratch); // Sign extend
#endif
__ st_long(O2_scratch, arg_msw); // Uses O2/O3 on !_LP64
__ ldsw(arg_lsw, O2_scratch); // Load LSW
NOT_LP64(__ srlx(O2_scratch, BitsPerInt, O3_scratch)); // Move high bits to lower bits for std
__ st_long(O2_scratch, arg_msw); // Uses O2/O3 on !_LP64
}
break;
case _adapter_opt_unboxl: