git: 244f498074b5 - main - libmd aarch64: Use ands instead of bics to round down the length
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Date: Mon, 09 Feb 2026 16:28:13 UTC
The branch main has been updated by jhb:
URL: https://cgit.FreeBSD.org/src/commit/?id=244f498074b5574d18d4518583863580498b8d3b
commit 244f498074b5574d18d4518583863580498b8d3b
Author: John Baldwin <jhb@FreeBSD.org>
AuthorDate: 2026-02-09 16:26:29 +0000
Commit: John Baldwin <jhb@FreeBSD.org>
CommitDate: 2026-02-09 16:26:29 +0000
libmd aarch64: Use ands instead of bics to round down the length
GNU as does not accept bics with two register operands but instead
requires three register operands. However, clang assembles the bics
instruction to ands anyway, so just use ands directly.
Reviewed by: fuz
Differential Revision: https://reviews.freebsd.org/D55155
---
lib/libmd/aarch64/md5block.S | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/lib/libmd/aarch64/md5block.S b/lib/libmd/aarch64/md5block.S
index b928c8dd795a..297db7f6bdbd 100644
--- a/lib/libmd/aarch64/md5block.S
+++ b/lib/libmd/aarch64/md5block.S
@@ -134,7 +134,7 @@ d_ .req m5
stp x23, x24, [sp, #0x20]
stp x25, x26, [sp, #0x30]
- bics len, len, #63 // length in blocks
+ ands len, len, #~63 // length in blocks
add end, buf, len // end pointer
beq .Lend // was len == 0 after BICS?