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cbe: don't emit 'x = x' in switch dispatch loop

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mlugg 2024-09-01 20:31:01 +01:00
parent 0d295d7635
commit 289c704b60
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1 changed files with 2 additions and 5 deletions
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src/codegen/c.zig
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@ -5065,11 +5065,8 @@ fn airSwitchBr(f: *Function, inst: Air.Inst.Index, is_dispatch_loop: bool) !void
// amount of C code we generate, which is probably more desirable here (and is simpler).
const condition = if (is_dispatch_loop) cond: {
const new_local = try f.allocLocal(inst, condition_ty);
try f.writeCValue(writer, new_local, .Other);
try writer.writeAll(" = ");
try f.writeCValue(writer, init_condition, .Initializer);
try writer.writeAll(";\n");
try writer.print("zig_switch_{d}_loop:", .{@intFromEnum(inst)});
try f.copyCValue(try f.ctypeFromType(condition_ty, .complete), new_local, init_condition);
try writer.print("zig_switch_{d}_loop:\n", .{@intFromEnum(inst)});
try f.loop_switch_conds.put(gpa, inst, new_local.new_local);
break :cond new_local;
} else init_condition;