zig/lib/compiler_rt/negxf2.zig

const common = @import("./common.zig");

pub const panic = common.panic;

comptime {
    @export(__negxf2, .{ .name = "__negxf2", .linkage = common.linkage, .visibility = common.visibility });
}

fn __negxf2(a: f80) callconv(.C) f80 {
    return common.fneg(a);
}
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 2022-06-30 08:02:00 +01:00			`const common = @import("./common.zig");`

			`pub const panic = common.panic;`

			`comptime {`
compiler-rt: Set the symbol visibility When we're compiling compiler_rt for any WebAssembly target, we do not want to expose all the compiler-rt functions to the host runtime. By setting the visibility of all exports to `hidden`, we allow the linker to resolve the symbols during linktime, while not expose the functions to the host runtime. This also means the linker can properly garbage collect any compiler-rt function that does not get resolved. The symbol visibility for all target remains the same as before: `default`. 2022-12-28 13:57:17 +00:00			`@export(__negxf2, .{ .name = "__negxf2", .linkage = common.linkage, .visibility = common.visibility });`
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 2022-06-30 08:02:00 +01:00			`}`

			`fn __negxf2(a: f80) callconv(.C) f80 {`
			`return common.fneg(a);`
			`}`