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aarch64: revert changes to .call

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This commit is contained in:
Jakub Konka
2022-11-08 13:50:30 +01:00
parent 45f65c8445
commit 32ad218f5a
1 changed files with 6 additions and 4 deletions
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10
src/arch/aarch64/CodeGen.zig
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@@ -4215,16 +4215,18 @@ fn airCall(self: *Self, inst: Air.Inst.Index, modifier: std.builtin.CallOptions.
const result: MCValue = result: {
switch (info.return_value) {
.register => {
// Save function return value in a callee saved register
break :result try self.copyToNewRegister(inst, info.return_value);
.register => |reg| {
if (RegisterManager.indexOfReg(&callee_preserved_regs, reg) == null) {
// Save function return value in a callee saved register
break :result try self.copyToNewRegister(inst, info.return_value);
}
},
else => {},
}
break :result info.return_value;
};
if (args.len <= Liveness.bpi - 2) {
if (args.len + 1 <= Liveness.bpi - 1) {
var buf = [1]Air.Inst.Ref{.none} ** (Liveness.bpi - 1);
buf[0] = callee;
std.mem.copy(Air.Inst.Ref, buf[1..], args);