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| author | Andrew Kelley <andrew@ziglang.org> | 2022-06-30 00:02:00 -0700 |
|---|---|---|
| committer | Andrew Kelley <andrew@ziglang.org> | 2022-06-30 00:02:00 -0700 |
| commit | 6bc6e47b1582a4538078c8f4e9b3dae386854d07 (patch) | |
| tree | 3919cd49e8cfe2772c4028f0b056f47040651494 /lib/std | |
| parent | 54454fd0102af8b25dbc85751d37fd265380d920 (diff) | |
| download | zig-6bc6e47b1582a4538078c8f4e9b3dae386854d07.tar.gz zig-6bc6e47b1582a4538078c8f4e9b3dae386854d07.zip | |
stage2: lower float negation explicitly
Rather than lowering float negation as `0.0 - x`.
* Add AIR instruction for float negation.
* Add compiler-rt functions for f128, f80 negation
closes #11853
Diffstat (limited to 'lib/std')
| -rw-r--r-- | lib/std/fmt.zig | 2 | ||||
| -rw-r--r-- | lib/std/math/copysign.zig | 1 | ||||
| -rw-r--r-- | lib/std/math/signbit.zig | 1 |
3 files changed, 0 insertions, 4 deletions
diff --git a/lib/std/fmt.zig b/lib/std/fmt.zig index b49a954800..fb826f4562 100644 --- a/lib/std/fmt.zig +++ b/lib/std/fmt.zig @@ -2225,7 +2225,6 @@ test "float.scientific.precision" { } test "float.special" { - if (@import("builtin").zig_backend != .stage1) return error.SkipZigTest; // TODO try expectFmt("f64: nan", "f64: {}", .{math.nan_f64}); // negative nan is not defined by IEE 754, // and ARM thus normalizes it to positive nan @@ -2237,7 +2236,6 @@ test "float.special" { } test "float.hexadecimal.special" { - if (@import("builtin").zig_backend != .stage1) return error.SkipZigTest; // TODO try expectFmt("f64: nan", "f64: {x}", .{math.nan_f64}); // negative nan is not defined by IEE 754, // and ARM thus normalizes it to positive nan diff --git a/lib/std/math/copysign.zig b/lib/std/math/copysign.zig index 521724a998..b5fd6d4d9a 100644 --- a/lib/std/math/copysign.zig +++ b/lib/std/math/copysign.zig @@ -13,7 +13,6 @@ pub fn copysign(magnitude: anytype, sign: @TypeOf(magnitude)) @TypeOf(magnitude) } test "math.copysign" { - if (@import("builtin").zig_backend != .stage1) return error.SkipZigTest; // TODO inline for ([_]type{ f16, f32, f64, f80, f128 }) |T| { try expect(copysign(@as(T, 1.0), @as(T, 1.0)) == 1.0); try expect(copysign(@as(T, 2.0), @as(T, -2.0)) == -2.0); diff --git a/lib/std/math/signbit.zig b/lib/std/math/signbit.zig index cb19212b5b..9aab487d37 100644 --- a/lib/std/math/signbit.zig +++ b/lib/std/math/signbit.zig @@ -10,7 +10,6 @@ pub fn signbit(x: anytype) bool { } test "math.signbit" { - if (@import("builtin").zig_backend != .stage1) return error.SkipZigTest; // TODO inline for ([_]type{ f16, f32, f64, f80, f128 }) |T| { try expect(!signbit(@as(T, 0.0))); try expect(!signbit(@as(T, 1.0))); |