1const common = @import("./common.zig");
 2const addf3 = @import("./addf3.zig").addf3;
 3
 4pub const panic = common.panic;
 5
 6comptime {
 7    if (common.want_ppc_abi) {
 8        @export(&__subtf3, .{ .name = "__subkf3", .linkage = common.linkage, .visibility = common.visibility });
 9    } else if (common.want_sparc_abi) {
10        @export(&_Qp_sub, .{ .name = "_Qp_sub", .linkage = common.linkage, .visibility = common.visibility });
11    }
12    @export(&__subtf3, .{ .name = "__subtf3", .linkage = common.linkage, .visibility = common.visibility });
13}
14
15pub fn __subtf3(a: f128, b: f128) callconv(.c) f128 {
16    return sub(a, b);
17}
18
19fn _Qp_sub(c: *f128, a: *const f128, b: *const f128) callconv(.c) void {
20    c.* = sub(a.*, b.*);
21}
22
23inline fn sub(a: f128, b: f128) f128 {
24    const neg_b = @as(f128, @bitCast(@as(u128, @bitCast(b)) ^ (@as(u128, 1) << 127)));
25    return addf3(f128, a, neg_b);
26}