zig/lib/compiler_rt/extendhfsf2.zig
Cody Tapscott 0d533433e2 compiler_rt: Add missing f16 functions
This change also exposes some of the existing functions under both the
PPC-style names symbols and the compiler-rt-style names, since Zig
currently lowers softfloat calls to the latter.
2022-10-13 12:53:20 -07:00

22 lines
673 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(__extendhfsf2, .{ .name = "__gnu_h2f_ieee", .linkage = common.linkage });
} else if (common.want_aeabi) {
@export(__aeabi_h2f, .{ .name = "__aeabi_h2f", .linkage = common.linkage });
}
@export(__extendhfsf2, .{ .name = "__extendhfsf2", .linkage = common.linkage });
}
pub fn __extendhfsf2(a: common.F16T) callconv(.C) f32 {
return extendf(f32, f16, @bitCast(u16, a));
}
fn __aeabi_h2f(a: u16) callconv(.AAPCS) f32 {
return extendf(f32, f16, @bitCast(u16, a));
}