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x86_64: fix optional comparison

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This commit is contained in:
Jacob Young 2023-11-08 07:20:18 -05:00
parent a70d8d29d5
commit 8f2aa72af7
1 changed files with 8 additions and 5 deletions
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13
src/arch/x86_64/CodeGen.zig
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@ -4877,11 +4877,14 @@ fn airWrapOptional(self: *Self, inst: Air.Inst.Index) !void {
switch (opt_mcv) {
else => unreachable,
.register => |opt_reg| try self.asmRegisterImmediate(
.{ ._s, .bt },
opt_reg,
Immediate.u(@as(u6, @intCast(pl_abi_size * 8))),
),
.register => |opt_reg| {
try self.truncateRegister(pl_ty, opt_reg);
try self.asmRegisterImmediate(
.{ ._s, .bt },
opt_reg,
Immediate.u(@as(u6, @intCast(pl_abi_size * 8))),
);
},
.load_frame => |frame_addr| try self.asmMemoryImmediate(
.{ ._, .mov },