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0d533433e2
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.
32 lines
1.1 KiB
Zig
32 lines
1.1 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 common = @import("./common.zig");
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const comparef = @import("./comparef.zig");
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pub const panic = common.panic;
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comptime {
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@export(__gehf2, .{ .name = "__gehf2", .linkage = common.linkage });
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@export(__gthf2, .{ .name = "__gthf2", .linkage = common.linkage });
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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 __gehf2(a: f16, b: f16) callconv(.C) i32 {
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return @enumToInt(comparef.cmpf2(f16, 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 __gthf2(a: f16, b: f16) callconv(.C) i32 {
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return __gehf2(a, b);
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}
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fn __aeabi_fcmpge(a: f16, b: f16) callconv(.AAPCS) i32 {
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return @boolToInt(comparef.cmpf2(f16, comparef.GE, a, b) != .Less);
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}
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fn __aeabi_fcmpgt(a: f16, b: f16) callconv(.AAPCS) i32 {
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return @boolToInt(comparef.cmpf2(f16, comparef.LE, a, b) == .Greater);
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}
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