Mercurial > hg > graal-jvmci-8
diff src/cpu/sparc/vm/sparc.ad @ 17980:0bf37f737702
8032410: compiler/uncommontrap/TestStackBangRbp.java times out on Solaris-Sparc V9
Summary: make compiled code bang the stack by the worst case size of the interpreter frame at deoptimization points.
Reviewed-by: twisti, kvn
author | roland |
---|---|
date | Tue, 01 Apr 2014 09:36:49 +0200 |
parents | 17b2fbdb6637 |
children | 52b4284cb496 85c339200299 271a32147391 |
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--- a/src/cpu/sparc/vm/sparc.ad Mon Jun 09 15:42:31 2014 -0700 +++ b/src/cpu/sparc/vm/sparc.ad Tue Apr 01 09:36:49 2014 +0200 @@ -1193,15 +1193,16 @@ st->print_cr("Verify_Thread"); st->print("\t"); } - size_t framesize = C->frame_slots() << LogBytesPerInt; + size_t framesize = C->frame_size_in_bytes(); + int bangsize = C->bang_size_in_bytes(); // Calls to C2R adapters often do not accept exceptional returns. // We require that their callers must bang for them. But be careful, because // some VM calls (such as call site linkage) can use several kilobytes of // stack. But the stack safety zone should account for that. // See bugs 4446381, 4468289, 4497237. - if (C->need_stack_bang(framesize)) { - st->print_cr("! stack bang"); st->print("\t"); + if (C->need_stack_bang(bangsize)) { + st->print_cr("! stack bang (%d bytes)", bangsize); st->print("\t"); } if (Assembler::is_simm13(-framesize)) { @@ -1225,17 +1226,18 @@ __ verify_thread(); - size_t framesize = C->frame_slots() << LogBytesPerInt; + size_t framesize = C->frame_size_in_bytes(); assert(framesize >= 16*wordSize, "must have room for reg. save area"); assert(framesize%(2*wordSize) == 0, "must preserve 2*wordSize alignment"); + int bangsize = C->bang_size_in_bytes(); // Calls to C2R adapters often do not accept exceptional returns. // We require that their callers must bang for them. But be careful, because // some VM calls (such as call site linkage) can use several kilobytes of // stack. But the stack safety zone should account for that. // See bugs 4446381, 4468289, 4497237. - if (C->need_stack_bang(framesize)) { - __ generate_stack_overflow_check(framesize); + if (C->need_stack_bang(bangsize)) { + __ generate_stack_overflow_check(bangsize); } if (Assembler::is_simm13(-framesize)) { @@ -2547,7 +2549,7 @@ enc_class call_epilog %{ if( VerifyStackAtCalls ) { MacroAssembler _masm(&cbuf); - int framesize = ra_->C->frame_slots() << LogBytesPerInt; + int framesize = ra_->C->frame_size_in_bytes(); Register temp_reg = G3; __ add(SP, framesize, temp_reg); __ cmp(temp_reg, FP);