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