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crypto.25519.field: de-inline mul for small builds (#14775)

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Eric Milliken 2023-03-06 22:28:11 +00:00 committed by GitHub
parent 6ab04b5941
commit ccf00ccdf7
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1 changed files with 8 additions and 1 deletions
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9
lib/std/crypto/25519/field.zig
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@ -1,4 +1,5 @@
const std = @import("std");
const builtin = @import("builtin");
const crypto = std.crypto;
const readIntLittle = std.mem.readIntLittle;
const writeIntLittle = std.mem.writeIntLittle;
@ -6,6 +7,12 @@ const writeIntLittle = std.mem.writeIntLittle;
const NonCanonicalError = crypto.errors.NonCanonicalError;
const NotSquareError = crypto.errors.NotSquareError;
// Inline conditionally, when it can result in large code generation.
const bloaty_inline = switch (builtin.mode) {
.ReleaseSafe, .ReleaseFast => .Inline,
.Debug, .ReleaseSmall => .Unspecified,
};
pub const Fe = struct {
limbs: [5]u64,
@ -264,7 +271,7 @@ pub const Fe = struct {
}
/// Multiply two field elements
pub inline fn mul(a: Fe, b: Fe) Fe {
pub fn mul(a: Fe, b: Fe) callconv(bloaty_inline) Fe {
var ax: [5]u128 = undefined;
var bx: [5]u128 = undefined;
var a19: [5]u128 = undefined;