commit b0cf06271da5fe20360953a53a47c69da89669cd
Author: Vladimir Serbinenko <phcoder@gmail.com>
Date:   Sun Apr 7 03:33:11 2024 +0000

    keccak: Disable acceleration with SSE asm

    Libgcrypt code assumes that on x64 all SSE registers are fair game.
    While it's true that CPUs in question support it, we disable it in
    our compilation options. Disable the offending optimization.

    Signed-off-by: Vladimir Serbinenko <phcoder@gmail.com>

diff --git a/grub-core/lib/libgcrypt/cipher/keccak.c b/grub-core/lib/libgcrypt/cipher/keccak.c
index 11e64b3e7..8b570263b 100644
--- a/grub-core/lib/libgcrypt-grub/cipher/keccak.c
+++ b/grub-core/lib/libgcrypt-grub/cipher/keccak.c
@@ -275,7 +275,7 @@ keccak_absorb_lane32bi(u32 *lane, u32 x0, u32 x1)
 /* Construct generic 64-bit implementation. */
 #ifdef USE_64BIT
 
-#if __GNUC__ >= 4 && defined(__x86_64__)
+#if __GNUC__ >= 4 && defined(__x86_64__) && 0
 
 static inline void absorb_lanes64_8(u64 *dst, const byte *in)
 {