zig/lib/compiler_rt/gesf2.zig
Andrew Kelley 74608293af compiler_rt: common -> compiler_rt
use the "symbol" helper function in all exports

move all declarations from common.zig to compiler_rt.zig

flatten the tree structure somewhat (move contents of tiny files into
parent files)

No functional changes.
2026-02-09 20:03:15 -08:00

35 lines
1.3 KiB
Zig

///! The quoted behavior definitions are from
///! https://gcc.gnu.org/onlinedocs/gcc-12.1.0/gccint/Soft-float-library-routines.html#Soft-float-library-routines
const compiler_rt = @import("../compiler_rt.zig");
const symbol = compiler_rt.symbol;
const comparef = @import("./comparef.zig");
comptime {
if (compiler_rt.want_aeabi) {
symbol(&__aeabi_fcmpge, "__aeabi_fcmpge");
symbol(&__aeabi_fcmpgt, "__aeabi_fcmpgt");
} else {
symbol(&__gesf2, "__gesf2");
symbol(&__gtsf2, "__gtsf2");
}
}
/// "These functions return a value greater than or equal to zero if neither
/// argument is NaN, and a is greater than or equal to b."
pub fn __gesf2(a: f32, b: f32) callconv(.c) i32 {
return @intFromEnum(comparef.cmpf2(f32, comparef.GE, a, b));
}
/// "These functions return a value greater than zero if neither argument is NaN,
/// and a is strictly greater than b."
pub fn __gtsf2(a: f32, b: f32) callconv(.c) i32 {
return __gesf2(a, b);
}
fn __aeabi_fcmpge(a: f32, b: f32) callconv(.{ .arm_aapcs = .{} }) i32 {
return @intFromBool(comparef.cmpf2(f32, comparef.GE, a, b) != .Less);
}
fn __aeabi_fcmpgt(a: f32, b: f32) callconv(.{ .arm_aapcs = .{} }) i32 {
return @intFromBool(comparef.cmpf2(f32, comparef.LE, a, b) == .Greater);
}