zig

commit 70c4b2424bc05a375dedd7c3ee527c9ba608b545 (tree)
parent 9636d76b6d26d142f7d23e6d25eec1c28cf571b4
Author: Pavel Verigo <paul.verigo@gmail.com>
Date:   Thu, 16 Apr 2026 20:19:09 +0200

limb64: make fixLastLimb endian aware

Diffstat:
M
lib/compiler_rt/limb64.zig
 | 
5
+++--

1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/lib/compiler_rt/limb64.zig b/lib/compiler_rt/limb64.zig
@@ -57,9 +57,10 @@ fn fixLastLimb(out_ptr: [*]u64, is_signed: bool, bits: u16) void {
     if (limb_cnt == true_limb_cnt) return;
     const true_out = out_ptr[0..true_limb_cnt];
 
-    const sign: u64 = if (!is_signed or @as(i64, @bitCast(true_out[limb_cnt - 1])) >= 0) 0 else ~@as(u64, 0);
+    const ms = limbGet(true_out, limb_cnt - 1);
+    const sign: u64 = if (!is_signed or @as(i64, @bitCast(ms)) >= 0) 0 else ~@as(u64, 0);
     for (limb_cnt..true_limb_cnt) |i| {
-        true_out[i] = sign;
+        limbSet(true_out, i, sign);
     }
 }