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| author | Clément Chigot <chigot@adacore.com> | 2022-09-14 12:50:59 +0200 |
|---|---|---|
| committer | Peter Maydell <peter.maydell@linaro.org> | 2022-09-22 16:38:27 +0100 |
| commit | 3a661024cc680104ce2cd21f8f5466dacba6f405 (patch) | |
| tree | 454c168b70fc1c4388183f9c6a286194dee0a1c1 | |
| parent | fb96d131eec66ecb2993c544058a8cb2c9c3521f (diff) | |
| download | qemu-3a661024cc680104ce2cd21f8f5466dacba6f405.zip qemu-3a661024cc680104ce2cd21f8f5466dacba6f405.tar.gz qemu-3a661024cc680104ce2cd21f8f5466dacba6f405.tar.bz2 | |
target/arm: Fix alignment for VLD4.32
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>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20220914105058.2787404-1-chigot@adacore.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
| -rw-r--r-- | target/arm/translate-neon.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/target/arm/translate-neon.c b/target/arm/translate-neon.c index 321c17e..4016339 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(); |