src/cpu/x86/vm/interp_masm_x86_64.cpp
Index
Unified diffs
Context diffs
Sdiffs
Wdiffs
Patch
New
Old
Previous File
Next File
7071653 Cdiff src/cpu/x86/vm/interp_masm_x86_64.cpp
src/cpu/x86/vm/interp_masm_x86_64.cpp
Print this page
*** 231,249 ****
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");
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");
// convert from field index to ConstantPoolCacheEntry index
shll(index, 2);
}
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");
--- 231,265 ----
void InterpreterMacroAssembler::get_cache_and_index_at_bcp(Register cache,
Register index,
int bcp_offset,
size_t index_size) {
! 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");
// convert from field index to ConstantPoolCacheEntry index
shll(index, 2);
}
+ 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);
+ // We use a 32-bit load here since the layout of 64-bit words on
+ // little-endian machines allow us that.
+ movl(bytecode, Address(cache, index, Address::times_ptr, constantPoolCacheOopDesc::base_offset() + ConstantPoolCacheEntry::indices_offset()));
+ const int shift_count = (1 + byte_no) * BitsPerByte;
+ shrl(bytecode, shift_count);
+ andl(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");
src/cpu/x86/vm/interp_masm_x86_64.cpp
Index
Unified diffs
Context diffs
Sdiffs
Wdiffs
Patch
New
Old
Previous File
Next File