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a64_emit_x64: Invalid regalloc code for EmitA64ExclusiveReadMemory128

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Attempted to allocate args[0] after end of allocation scope
This commit is contained in:
MerryMage 2020-05-16 12:31:12 +01:00
parent 1a0bc5ba91
commit 2169653c50
1 changed files with 2 additions and 1 deletions
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3
src/backend/x64/a64_emit_x64.cpp
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@ -995,8 +995,9 @@ void A64EmitX64::EmitA64ExclusiveReadMemory128(A64EmitContext& ctx, IR::Inst* in
ASSERT(conf.global_monitor != nullptr);
auto args = ctx.reg_alloc.GetArgumentInfo(inst);
const Xbyak::Xmm result = ctx.reg_alloc.ScratchXmm();
ctx.reg_alloc.Use(args[0], ABI_PARAM2);
ctx.reg_alloc.EndOfAllocScope();
ctx.reg_alloc.HostCall(nullptr, {}, args[0]);
ctx.reg_alloc.HostCall(nullptr);
code.mov(code.byte[r15 + offsetof(A64JitState, exclusive_state)], u8(1));
code.mov(code.ABI_PARAM1, reinterpret_cast<u64>(&conf));