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a64_emit_x64: bug: A64CallSupervisor trampled callee-save registers

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MerryMage 2018-01-13 18:00:39 +00:00
parent e4615a4562
commit 996ffd5488
1 changed files with 1 additions and 0 deletions
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src/backend_x64/a64_emit_x64.cpp
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@ -220,6 +220,7 @@ void A64EmitX64::EmitA64SetPC(A64EmitContext& ctx, IR::Inst* inst) {
} }
void A64EmitX64::EmitA64CallSupervisor(A64EmitContext& ctx, IR::Inst* inst) { void A64EmitX64::EmitA64CallSupervisor(A64EmitContext& ctx, IR::Inst* inst) {
ctx.reg_alloc.HostCall(nullptr);
auto args = ctx.reg_alloc.GetArgumentInfo(inst); auto args = ctx.reg_alloc.GetArgumentInfo(inst);
ASSERT(args[0].IsImmediate()); ASSERT(args[0].IsImmediate());
u32 imm = args[0].GetImmediateU32(); u32 imm = args[0].GetImmediateU32();