zig/lib/compiler_rt/umodti3.zig
Cody Tapscott bb8971150c compiler_rt: Slightly re-factor exports for Windows x86-64
This is just a cosmetic change. The goal is to keep the export logic
relatively flat and centralized.
2022-07-10 20:51:34 -07:00

29 lines
797 B
Zig

const std = @import("std");
const builtin = @import("builtin");
const udivmod = @import("udivmod.zig").udivmod;
const common = @import("common.zig");
pub const panic = common.panic;
comptime {
if (common.want_windows_v2u64_abi) {
@export(__umodti3_windows_x86_64, .{ .name = "__umodti3", .linkage = common.linkage });
} else {
@export(__umodti3, .{ .name = "__umodti3", .linkage = common.linkage });
}
}
pub fn __umodti3(a: u128, b: u128) callconv(.C) u128 {
var r: u128 = undefined;
_ = udivmod(u128, a, b, &r);
return r;
}
const v2u64 = @Vector(2, u64);
fn __umodti3_windows_x86_64(a: v2u64, b: v2u64) callconv(.C) v2u64 {
var r: u128 = undefined;
_ = udivmod(u128, @bitCast(u128, a), @bitCast(u128, b), &r);
return @bitCast(v2u64, r);
}