aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorRichard Henderson <richard.henderson@linaro.org>2021-03-09 07:53:00 -0800
committerPeter Maydell <peter.maydell@linaro.org>2021-03-12 12:40:10 +0000
commitfd911a21414b5a17663fa2b97f1059fb11cee99d (patch)
tree802efc24c7a86867ee20b15ea243d0f13ea8f470
parent8e7fefed1bdcc0f7e722ccf2a2fc2b4f79fe725e (diff)
downloadqemu-fd911a21414b5a17663fa2b97f1059fb11cee99d.zip
qemu-fd911a21414b5a17663fa2b97f1059fb11cee99d.tar.gz
qemu-fd911a21414b5a17663fa2b97f1059fb11cee99d.tar.bz2
target/arm: Fix sve_punpk_p vs odd vector lengths
Wrote too much with punpk1 with vl % 512 != 0. Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Reported-by: Laurent Desnogues <laurent.desnogues@gmail.com> Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20210309155305.11301-4-richard.henderson@linaro.org Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
-rw-r--r--target/arm/sve_helper.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/target/arm/sve_helper.c b/target/arm/sve_helper.c
index 2fb4b2c..981895a 100644
--- a/target/arm/sve_helper.c
+++ b/target/arm/sve_helper.c
@@ -2105,11 +2105,11 @@ void HELPER(sve_punpk_p)(void *vd, void *vn, uint32_t pred_desc)
high = oprsz >> 1;
}
- if ((high & 3) == 0) {
+ if ((oprsz & 7) == 0) {
uint32_t *n = vn;
high >>= 2;
- for (i = 0; i < DIV_ROUND_UP(oprsz, 8); i++) {
+ for (i = 0; i < oprsz / 8; i++) {
uint64_t nn = n[H4(high + i)];
d[i] = expand_bits(nn, 0);
}