--- a/hotspot/src/cpu/sparc/vm/templateInterpreter_sparc.cpp Mon May 02 10:51:36 2011 -0700
+++ b/hotspot/src/cpu/sparc/vm/templateInterpreter_sparc.cpp Mon May 02 18:53:37 2011 -0700
@@ -1698,35 +1698,21 @@
popframe_extra_args;
int local_words = method->max_locals() * Interpreter::stackElementWords;
- int parm_words = method->size_of_parameters() * Interpreter::stackElementWords;
- NEEDS_CLEANUP;
intptr_t* locals;
- if (caller->is_interpreted_frame()) {
- // Can force the locals area to end up properly overlapping the top of the expression stack.
- intptr_t* Lesp_ptr = caller->interpreter_frame_tos_address() - 1;
- // Note that this computation means we replace size_of_parameters() values from the caller
- // interpreter frame's expression stack with our argument locals
- locals = Lesp_ptr + parm_words;
- int delta = local_words - parm_words;
- int computed_sp_adjustment = (delta > 0) ? round_to(delta, WordsPerLong) : 0;
- *interpreter_frame->register_addr(I5_savedSP) = (intptr_t) (fp + computed_sp_adjustment) - STACK_BIAS;
+ if (caller->is_compiled_frame()) {
+ // Compiled frames do not allocate a varargs area so place them
+ // next to the register save area.
+ locals = fp + frame::register_save_words + local_words - 1;
+ // Caller wants his own SP back
+ int caller_frame_size = caller->cb()->frame_size();
+ *interpreter_frame->register_addr(I5_savedSP) = (intptr_t)(caller->fp() - caller_frame_size) - STACK_BIAS;
} else {
- assert(caller->is_compiled_frame() || caller->is_entry_frame(), "only possible cases");
- // Don't have Lesp available; lay out locals block in the caller
- // adjacent to the register window save area.
- //
- // Compiled frames do not allocate a varargs area which is why this if
- // statement is needed.
- //
- if (caller->is_compiled_frame()) {
- locals = fp + frame::register_save_words + local_words - 1;
- } else {
- locals = fp + frame::memory_parameter_word_sp_offset + local_words - 1;
- }
- if (!caller->is_entry_frame()) {
- // Caller wants his own SP back
- int caller_frame_size = caller->cb()->frame_size();
- *interpreter_frame->register_addr(I5_savedSP) = (intptr_t)(caller->fp() - caller_frame_size) - STACK_BIAS;
+ assert(caller->is_interpreted_frame() || caller->is_entry_frame(), "only possible cases");
+ // The entry and interpreter frames are laid out like normal C
+ // frames so place the locals adjacent to the varargs area.
+ locals = fp + frame::memory_parameter_word_sp_offset + local_words - 1;
+ if (caller->is_interpreted_frame()) {
+ *interpreter_frame->register_addr(I5_savedSP) = (intptr_t) (fp + rounded_cls) - STACK_BIAS;
}
}
if (TraceDeoptimization) {