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comparison src/cpu/x86/vm/x86_64.ad @ 1567:110501f54a99

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6934104: JSR 292 needs to support SPARC C2 Summary: C2 for SPARC needs to support JSR 292. Reviewed-by: kvn, never
author twisti
date Tue, 25 May 2010 02:38:48 -0700
parents d7f654633cfe
children 2d127394260e
comparison
equal deleted inserted replaced
1566:9f669cf29cb0 1567:110501f54a99
2633 enc_class preserve_SP %{ 2633 enc_class preserve_SP %{
2634 debug_only(int off0 = cbuf.code_size()); 2634 debug_only(int off0 = cbuf.code_size());
2635 MacroAssembler _masm(&cbuf); 2635 MacroAssembler _masm(&cbuf);
2636 // RBP is preserved across all calls, even compiled calls. 2636 // RBP is preserved across all calls, even compiled calls.
2637 // Use it to preserve RSP in places where the callee might change the SP. 2637 // Use it to preserve RSP in places where the callee might change the SP.
2638 __ movptr(rbp, rsp); 2638 __ movptr(rbp_mh_SP_save, rsp);
2639 debug_only(int off1 = cbuf.code_size()); 2639 debug_only(int off1 = cbuf.code_size());
2640 assert(off1 - off0 == preserve_SP_size(), "correct size prediction"); 2640 assert(off1 - off0 == preserve_SP_size(), "correct size prediction");
2641 %} 2641 %}
2642 2642
2643 enc_class restore_SP %{ 2643 enc_class restore_SP %{
2644 MacroAssembler _masm(&cbuf); 2644 MacroAssembler _masm(&cbuf);
2645 __ movptr(rsp, rbp); 2645 __ movptr(rsp, rbp_mh_SP_save);
2646 %} 2646 %}
2647 2647
2648 enc_class Java_Static_Call(method meth) 2648 enc_class Java_Static_Call(method meth)
2649 %{ 2649 %{
2650 // JAVA STATIC CALL 2650 // JAVA STATIC CALL
12602 %} 12602 %}
12603 12603
12604 // Call Java Static Instruction (method handle version) 12604 // Call Java Static Instruction (method handle version)
12605 // Note: If this code changes, the corresponding ret_addr_offset() and 12605 // Note: If this code changes, the corresponding ret_addr_offset() and
12606 // compute_padding() functions will have to be adjusted. 12606 // compute_padding() functions will have to be adjusted.
12607 instruct CallStaticJavaHandle(method meth, rbp_RegP rbp) %{ 12607 instruct CallStaticJavaHandle(method meth, rbp_RegP rbp_mh_SP_save) %{
12608 match(CallStaticJava); 12608 match(CallStaticJava);
12609 predicate(((CallStaticJavaNode*) n)->is_method_handle_invoke()); 12609 predicate(((CallStaticJavaNode*) n)->is_method_handle_invoke());
12610 effect(USE meth); 12610 effect(USE meth);
12611 // RBP is saved by all callees (for interpreter stack correction). 12611 // RBP is saved by all callees (for interpreter stack correction).
12612 // We use it here for a similar purpose, in {preserve,restore}_SP. 12612 // We use it here for a similar purpose, in {preserve,restore}_SP.