mirror of
https://codeberg.org/ziglang/zig.git
synced 2026-03-08 04:44:47 +01:00
74608293af
use the "symbol" helper function in all exports move all declarations from common.zig to compiler_rt.zig flatten the tree structure somewhat (move contents of tiny files into parent files) No functional changes.
24 lines
605 B
Zig
24 lines
605 B
Zig
const compiler_rt = @import("../compiler_rt.zig");
|
|
const symbol = compiler_rt.symbol;
|
|
const addf3 = @import("./addf3.zig").addf3;
|
|
|
|
comptime {
|
|
if (compiler_rt.want_aeabi) {
|
|
symbol(&__aeabi_fsub, "__aeabi_fsub");
|
|
} else {
|
|
symbol(&__subsf3, "__subsf3");
|
|
}
|
|
}
|
|
|
|
fn __subsf3(a: f32, b: f32) callconv(.c) f32 {
|
|
return sub(a, b);
|
|
}
|
|
|
|
fn __aeabi_fsub(a: f32, b: f32) callconv(.{ .arm_aapcs = .{} }) f32 {
|
|
return sub(a, b);
|
|
}
|
|
|
|
inline fn sub(a: f32, b: f32) f32 {
|
|
const neg_b = @as(f32, @bitCast(@as(u32, @bitCast(b)) ^ (@as(u32, 1) << 31)));
|
|
return addf3(f32, a, neg_b);
|
|
}
|