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BackendX64/RegAlloc: Do not allocate RSP for guest use

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This commit is contained in:
MerryMage 2016-08-08 16:01:07 +01:00
parent abd113f160
commit 975f011fc0
5 changed files with 1 additions and 8 deletions
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2
src/backend_x64/block_of_code.cpp
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@ -44,7 +44,6 @@ void BlockOfCode::ReturnFromRunCode(bool MXCSR_switch) {
if (MXCSR_switch)
SwitchMxcsrOnExit();
MOV(64, R(RSP), MDisp(R15, offsetof(JitState, save_host_RSP)));
ABI_PopRegistersAndAdjustStack(ABI_ALL_CALLEE_SAVED, 8);
RET();
}
@ -77,7 +76,6 @@ void BlockOfCode::GenRunCode() {
ABI_PushRegistersAndAdjustStack(ABI_ALL_CALLEE_SAVED, 8);
MOV(64, R(R15), R(ABI_PARAM1));
MOV(64, MDisp(R15, offsetof(JitState, save_host_RSP)), R(RSP));
SwitchMxcsrOnEntry();
JMPptr(R(ABI_PARAM2));
}