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6953144: Tiered compilation

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Infrastructure for tiered compilation support (interpreter + c1 + c2) for 32 and 64 bit. Simple tiered policy implementation.

Reviewed-by: kvn, never, phh, twisti
This commit is contained in:
Igor Veresov 2010-09-03 17:51:07 -07:00
parent 6e78f6cb4b
commit 2c66a6c3fd
104 changed files with 7720 additions and 1701 deletions
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29
hotspot/src/cpu/sparc/vm/sharedRuntime_sparc.cpp
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@ -3331,10 +3331,8 @@ void SharedRuntime::generate_deopt_blob() {
__ stf(FloatRegisterImpl::D, Freturn0, saved_Freturn0_addr);
#if !defined(_LP64)
#if defined(COMPILER2)
if (!TieredCompilation) {
// 32-bit 1-register longs return longs in G1
__ stx(Greturn1, saved_Greturn1_addr);
}
// 32-bit 1-register longs return longs in G1
__ stx(Greturn1, saved_Greturn1_addr);
#endif
__ set_last_Java_frame(SP, noreg);
__ call_VM_leaf(L7_thread_cache, CAST_FROM_FN_PTR(address, Deoptimization::unpack_frames), G2_thread, G4deopt_mode);
@ -3347,24 +3345,15 @@ void SharedRuntime::generate_deopt_blob() {
__ reset_last_Java_frame();
__ ldf(FloatRegisterImpl::D, saved_Freturn0_addr, Freturn0);
// In tiered we never use C2 to compile methods returning longs so
// the result is where we expect it already.
#if !defined(_LP64) && defined(COMPILER2)
// In 32 bit, C2 returns longs in G1 so restore the saved G1 into
// I0/I1 if the return value is long. In the tiered world there is
// a mismatch between how C1 and C2 return longs compiles and so
// currently compilation of methods which return longs is disabled
// for C2 and so is this code. Eventually C1 and C2 will do the
// same thing for longs in the tiered world.
if (!TieredCompilation) {
Label not_long;
__ cmp(O0,T_LONG);
__ br(Assembler::notEqual, false, Assembler::pt, not_long);
__ delayed()->nop();
__ ldd(saved_Greturn1_addr,I0);
__ bind(not_long);
}
// I0/I1 if the return value is long.
Label not_long;
__ cmp(O0,T_LONG);
__ br(Assembler::notEqual, false, Assembler::pt, not_long);
__ delayed()->nop();
__ ldd(saved_Greturn1_addr,I0);
__ bind(not_long);
#endif
__ ret();
__ delayed()->restore();