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[PATCH] target/arm: Fix alignment for VLD4.32
From: |
Clément Chigot |
Subject: |
[PATCH] target/arm: Fix alignment for VLD4.32 |
Date: |
Wed, 14 Sep 2022 12:50:59 +0200 |
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 <chigot@adacore.com>
---
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 321c17e2c7..4016339d46 100644
--- a/target/arm/translate-neon.c
+++ b/target/arm/translate-neon.c
@@ -584,7 +584,11 @@ 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();
--
2.25.1
- [PATCH] target/arm: Fix alignment for VLD4.32,
Clément Chigot <=