src/cpu/x86/vm/interp_masm_x86_32.cpp
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*** old/src/cpu/x86/vm/interp_masm_x86_32.cpp Fri Aug 12 04:58:35 2011
--- new/src/cpu/x86/vm/interp_masm_x86_32.cpp Fri Aug 12 04:58:35 2011
*** 231,248 ****
--- 231,262 ----
}
void InterpreterMacroAssembler::get_cache_and_index_at_bcp(Register cache, Register index,
int bcp_offset, size_t index_size) {
! assert(cache != index, "must use different registers");
! assert_different_registers(cache, index);
get_cache_index_at_bcp(index, bcp_offset, index_size);
movptr(cache, Address(rbp, frame::interpreter_frame_cache_offset * wordSize));
assert(sizeof(ConstantPoolCacheEntry) == 4*wordSize, "adjust code below");
shlptr(index, 2); // convert from field index to ConstantPoolCacheEntry index
}
+ void InterpreterMacroAssembler::get_cache_and_index_and_bytecode_at_bcp(Register cache,
+ Register index,
+ Register bytecode,
+ int byte_no,
+ int bcp_offset,
+ size_t index_size) {
+ get_cache_and_index_at_bcp(cache, index, bcp_offset, index_size);
+ movptr(bytecode, Address(cache, index, Address::times_ptr, constantPoolCacheOopDesc::base_offset() + ConstantPoolCacheEntry::indices_offset()));
+ const int shift_count = (1 + byte_no) * BitsPerByte;
+ shrptr(bytecode, shift_count);
+ andptr(bytecode, 0xFF);
+ }
+
+
void InterpreterMacroAssembler::get_cache_entry_pointer_at_bcp(Register cache, Register tmp,
int bcp_offset, size_t index_size) {
assert(cache != tmp, "must use different register");
get_cache_index_at_bcp(tmp, bcp_offset, index_size);
assert(sizeof(ConstantPoolCacheEntry) == 4*wordSize, "adjust code below");
src/cpu/x86/vm/interp_masm_x86_32.cpp
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