Mercurial > jdk8-mips64-public > hotspot / file comparison
comparison: src/cpu/sparc/vm/templateInterpreter_sparc.cpp
src/cpu/sparc/vm/templateInterpreter_sparc.cpp
- changeset 2868
- 2e038ad0c1d0
- parent 2781
- e1162778c1c8
- child 2897
- 3cfb240033d1
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inserted
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| 2867:49d67a090fe2 | 2868:2e038ad0c1d0 |
|---|---|
| 1696 intptr_t* esp = monitors - 1 - | 1696 intptr_t* esp = monitors - 1 - |
| 1697 (tempcount * Interpreter::stackElementWords) - | 1697 (tempcount * Interpreter::stackElementWords) - |
| 1698 popframe_extra_args; | 1698 popframe_extra_args; |
| 1699 | 1699 |
| 1700 int local_words = method->max_locals() * Interpreter::stackElementWords; | 1700 int local_words = method->max_locals() * Interpreter::stackElementWords; |
| 1701 int parm_words = method->size_of_parameters() * Interpreter::stackElementWords; | |
| 1702 NEEDS_CLEANUP; | |
| 1703 intptr_t* locals; | 1701 intptr_t* locals; |
| 1704 if (caller->is_interpreted_frame()) { | 1702 if (caller->is_compiled_frame()) { |
| 1705 // Can force the locals area to end up properly overlapping the top of the expression stack. | 1703 // Compiled frames do not allocate a varargs area so place them |
| 1706 intptr_t* Lesp_ptr = caller->interpreter_frame_tos_address() - 1; | 1704 // next to the register save area. |
| 1707 // Note that this computation means we replace size_of_parameters() values from the caller | 1705 locals = fp + frame::register_save_words + local_words - 1; |
| 1708 // interpreter frame's expression stack with our argument locals | 1706 // Caller wants his own SP back |
| 1709 locals = Lesp_ptr + parm_words; | 1707 int caller_frame_size = caller->cb()->frame_size(); |
| 1710 int delta = local_words - parm_words; | 1708 *interpreter_frame->register_addr(I5_savedSP) = (intptr_t)(caller->fp() - caller_frame_size) - STACK_BIAS; |
| 1711 int computed_sp_adjustment = (delta > 0) ? round_to(delta, WordsPerLong) : 0; | |
| 1712 *interpreter_frame->register_addr(I5_savedSP) = (intptr_t) (fp + computed_sp_adjustment) - STACK_BIAS; | |
| 1713 } else { | 1709 } else { |
| 1714 assert(caller->is_compiled_frame() || caller->is_entry_frame(), "only possible cases"); | 1710 assert(caller->is_interpreted_frame() || caller->is_entry_frame(), "only possible cases"); |
| 1715 // Don't have Lesp available; lay out locals block in the caller | 1711 // The entry and interpreter frames are laid out like normal C |
| 1716 // adjacent to the register window save area. | 1712 // frames so place the locals adjacent to the varargs area. |
| 1717 // | 1713 locals = fp + frame::memory_parameter_word_sp_offset + local_words - 1; |
| 1718 // Compiled frames do not allocate a varargs area which is why this if | 1714 if (caller->is_interpreted_frame()) { |
| 1719 // statement is needed. | 1715 *interpreter_frame->register_addr(I5_savedSP) = (intptr_t) (fp + rounded_cls) - STACK_BIAS; |
| 1720 // | |
| 1721 if (caller->is_compiled_frame()) { | |
| 1722 locals = fp + frame::register_save_words + local_words - 1; | |
| 1723 } else { | |
| 1724 locals = fp + frame::memory_parameter_word_sp_offset + local_words - 1; | |
| 1725 } | |
| 1726 if (!caller->is_entry_frame()) { | |
| 1727 // Caller wants his own SP back | |
| 1728 int caller_frame_size = caller->cb()->frame_size(); | |
| 1729 *interpreter_frame->register_addr(I5_savedSP) = (intptr_t)(caller->fp() - caller_frame_size) - STACK_BIAS; | |
| 1730 } | 1716 } |
| 1731 } | 1717 } |
| 1732 if (TraceDeoptimization) { | 1718 if (TraceDeoptimization) { |
| 1733 if (caller->is_entry_frame()) { | 1719 if (caller->is_entry_frame()) { |
| 1734 // make sure I5_savedSP and the entry frames notion of saved SP | 1720 // make sure I5_savedSP and the entry frames notion of saved SP |
