From 6a071b8797f06850073b3a095a622117e554f302 Mon Sep 17 00:00:00 2001 From: tangbinzy Date: Mon, 9 Sep 2024 08:29:05 +0000 Subject: [PATCH] target/arm: Fix alignment for VLD4.32 mainline inclusion commit 3a661024cc680104ce2cd21f8f5466dacba6f405 category: bugfix MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --------------------------------------------------------------- When requested, the alignment for VLD4.32 is 8 and not 16. See ARM documentation about VLD4 encoding: ebytes = 1 << UInt(size); if size == '10' then alignment = if a == '0' then 1 else 8; else alignment = if a == '0' then 1 else 4*ebytes; Signed-off-by: Clément Chigot Reviewed-by: Richard Henderson Message-id: 20220914105058.2787404-1-chigot@adacore.com Signed-off-by: Peter Maydell Signed-off-by: tangbinzy --- target/arm/translate-neon.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/target/arm/translate-neon.c b/target/arm/translate-neon.c index dd43de558e..761fd6a755 100644 --- a/target/arm/translate-neon.c +++ b/target/arm/translate-neon.c @@ -586,7 +586,11 @@ static bool trans_VLD_all_lanes(DisasContext *s, arg_VLD_all_lanes *a) case 3: return false; case 4: - align = pow2_align(size + 2); + if (size == 2) { + align = pow2_align(3); + } else { + align = pow2_align(size + 2); + } break; default: g_assert_not_reached(); -- 2.41.0.windows.1