zig/lib/compiler_rt/extendhfsf2.zig
2025-03-05 03:01:43 +00:00

26 lines
920 B
Zig

const common = @import("./common.zig");
const extendf = @import("./extendf.zig").extendf;
pub const panic = common.panic;
comptime {
if (common.gnu_f16_abi) {
@export(&__gnu_h2f_ieee, .{ .name = "__gnu_h2f_ieee", .linkage = common.linkage, .visibility = common.visibility });
} else if (common.want_aeabi) {
@export(&__aeabi_h2f, .{ .name = "__aeabi_h2f", .linkage = common.linkage, .visibility = common.visibility });
}
@export(&__extendhfsf2, .{ .name = "__extendhfsf2", .linkage = common.linkage, .visibility = common.visibility });
}
pub fn __extendhfsf2(a: common.F16T(f32)) callconv(.c) f32 {
return extendf(f32, f16, @as(u16, @bitCast(a)));
}
fn __gnu_h2f_ieee(a: common.F16T(f32)) callconv(.c) f32 {
return extendf(f32, f16, @as(u16, @bitCast(a)));
}
fn __aeabi_h2f(a: u16) callconv(.{ .arm_aapcs = .{} }) f32 {
return extendf(f32, f16, @as(u16, @bitCast(a)));
}