Mercurial > hg > truffle
changeset 3564:f79b652d4437
let hotspot recognize graal's way of doing safepoints (mov instead of test)
author | Lukas Stadler <lukas.stadler@jku.at> |
---|---|
date | Thu, 01 Sep 2011 09:38:36 +0200 |
parents | 8780fa370aab |
children | dbf8d6a4201f 76a7f1732bb0 |
files | src/cpu/x86/vm/nativeInst_x86.hpp |
diffstat | 1 files changed, 4 insertions(+), 2 deletions(-) [+] |
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line diff
--- a/src/cpu/x86/vm/nativeInst_x86.hpp Wed Aug 31 14:55:40 2011 +0200 +++ b/src/cpu/x86/vm/nativeInst_x86.hpp Thu Sep 01 09:38:36 2011 +0200 @@ -549,8 +549,10 @@ return false; } } else { - if (ubyte_at(0) == NativeTstRegMem::instruction_code_memXregl && - ubyte_at(1) == 0x05) { // 00 rax 101 + if (ubyte_at(0) == Assembler::REX_WR && ubyte_at(1) == NativeMovRegMem::instruction_code_mem2reg && ubyte_at(2) == 0x15) { // mov r10, rip[...] + address fault = addr_at(7) + int_at(3); + return os::is_poll_address(fault); + } else if (ubyte_at(0) == NativeTstRegMem::instruction_code_memXregl && ubyte_at(1) == 0x05) { // 00 rax 101 address fault = addr_at(6) + int_at(2); return os::is_poll_address(fault); } else {