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compiler_rt: export floorf, floor, and floorl

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This fixes a stage1 linker error when compiling with VS2022 on Windows.
This commit is contained in:
J.C. Moyer 2021-11-16 21:56:55 -05:00 committed by Andrew Kelley
parent 12140ead43
commit 939f51aebb
2 changed files with 21 additions and 16 deletions
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15
lib/std/special/c_stage1.zig
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@ -639,21 +639,6 @@ export fn fmod(x: f64, y: f64) f64 {
return generic_fmod(f64, x, y); return generic_fmod(f64, x, y);
} }
// TODO add intrinsics for these (and probably the double version too)
// and have the math stuff use the intrinsic. same as @mod and @rem
export fn floorf(x: f32) f32 {
return math.floor(x);
}
export fn floor(x: f64) f64 {
return math.floor(x);
}
export fn floorl(x: c_longdouble) c_longdouble {
if (!long_double_is_f128) {
@panic("TODO implement this");
}
return math.floor(x);
}
export fn ceilf(x: f32) f32 { export fn ceilf(x: f32) f32 {
return math.ceil(x); return math.ceil(x);
} }

22
lib/std/special/compiler_rt.zig
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@ -630,11 +630,31 @@ comptime {
_ = @import("compiler_rt/atomics.zig"); _ = @import("compiler_rt/atomics.zig");
@export(fmaq, .{ .name = "fmaq", .linkage = linkage }); @export(fmaq, .{ .name = "fmaq", .linkage = linkage });
@export(floorf, .{ .name = "floorf", .linkage = linkage });
@export(floor, .{ .name = "floor", .linkage = linkage });
@export(floorl, .{ .name = "floorl", .linkage = linkage });
} }
} }
const math = std.math;
fn fmaq(a: f128, b: f128, c: f128) callconv(.C) f128 { fn fmaq(a: f128, b: f128, c: f128) callconv(.C) f128 {
return std.math.fma(f128, a, b, c); return math.fma(f128, a, b, c);
}
// TODO add intrinsics for these (and probably the double version too)
// and have the math stuff use the intrinsic. same as @mod and @rem
fn floorf(x: f32) callconv(.C) f32 {
return math.floor(x);
}
fn floor(x: f64) callconv(.C) f64 {
return math.floor(x);
}
fn floorl(x: c_longdouble) callconv(.C) c_longdouble {
if (!long_double_is_f128) {
@panic("TODO implement this");
}
return math.floor(x);
} }
// Avoid dragging in the runtime safety mechanisms into this .o file, // Avoid dragging in the runtime safety mechanisms into this .o file,