zig/lib/compiler_rt/truncsfhf2.zig
Jacob Young 17e3fcc3a5 compiler_rt: fight off @as invasion
Importantly, fixes incorrectly annotated types in `__aeabi_?2h`.
2023-09-19 09:37:52 -07:00

26 lines
863 B
Zig

const common = @import("./common.zig");
const truncf = @import("./truncf.zig").truncf;
pub const panic = common.panic;
comptime {
if (common.gnu_f16_abi) {
@export(__gnu_f2h_ieee, .{ .name = "__gnu_f2h_ieee", .linkage = common.linkage, .visibility = common.visibility });
} else if (common.want_aeabi) {
@export(__aeabi_f2h, .{ .name = "__aeabi_f2h", .linkage = common.linkage, .visibility = common.visibility });
}
@export(__truncsfhf2, .{ .name = "__truncsfhf2", .linkage = common.linkage, .visibility = common.visibility });
}
pub fn __truncsfhf2(a: f32) callconv(.C) common.F16T(f32) {
return @bitCast(truncf(f16, f32, a));
}
fn __gnu_f2h_ieee(a: f32) callconv(.C) common.F16T(f32) {
return @bitCast(truncf(f16, f32, a));
}
fn __aeabi_f2h(a: f32) callconv(.AAPCS) u16 {
return @bitCast(truncf(f16, f32, a));
}