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8161085: PreserveFPRegistersTest fails with 'AssertionError: Final value has changed'

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C1's G1 barriers should save/restore vector registers before calling into the runtime.

Reviewed-by: kvn, vlivanov
This commit is contained in:
Tobias Hartmann 2016-09-26 08:51:36 +02:00
parent 8474269d18
commit 36c39d5c25
1 changed files with 4 additions and 14 deletions
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18
hotspot/src/cpu/sparc/vm/c1_Runtime1_sparc.cpp
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@ -881,20 +881,15 @@ OopMapSet* Runtime1::generate_code_for(StubID id, StubAssembler* sasm) {
__ delayed()->st_ptr(tmp, G2_thread, satb_q_index_byte_offset);
__ bind(refill);
__ save_frame(0);
__ mov(pre_val, L0);
__ mov(tmp, L1);
__ mov(tmp2, L2);
save_live_registers(sasm);
__ call_VM_leaf(L7_thread_cache,
CAST_FROM_FN_PTR(address,
SATBMarkQueueSet::handle_zero_index_for_thread),
G2_thread);
__ mov(L0, pre_val);
__ mov(L1, tmp);
__ mov(L2, tmp2);
restore_live_registers(sasm);
__ br(Assembler::always, /*annul*/false, Assembler::pt, restart);
__ delayed()->restore();
@ -986,20 +981,15 @@ OopMapSet* Runtime1::generate_code_for(StubID id, StubAssembler* sasm) {
__ delayed()->st_ptr(tmp3, G2_thread, dirty_card_q_index_byte_offset);
__ bind(refill);
__ save_frame(0);
__ mov(tmp2, L0);
__ mov(tmp3, L1);
__ mov(tmp4, L2);
save_live_registers(sasm);
__ call_VM_leaf(L7_thread_cache,
CAST_FROM_FN_PTR(address,
DirtyCardQueueSet::handle_zero_index_for_thread),
G2_thread);
__ mov(L0, tmp2);
__ mov(L1, tmp3);
__ mov(L2, tmp4);
restore_live_registers(sasm);
__ br(Assembler::always, /*annul*/false, Assembler::pt, restart);
__ delayed()->restore();