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[v2,066/100] target/arm: Fix sve_punpk_p vs odd vector lengths

Message ID 20200618042644.1685561-67-richard.henderson@linaro.org
State Superseded
Headers show
Series target/arm: Implement SVE2 | expand

Commit Message

Richard Henderson June 18, 2020, 4:26 a.m. UTC 
Wrote too much with punpk1 with vl % 512 != 0.

Reported-by: Laurent Desnogues <laurent.desnogues@gmail.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

---
 target/arm/sve_helper.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

-- 
2.25.1
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Patch

diff --git a/target/arm/sve_helper.c b/target/arm/sve_helper.c
index dc23a9b3e0..24c733fea1 100644
--- a/target/arm/sve_helper.c
+++ b/target/arm/sve_helper.c
@@ -3137,11 +3137,11 @@  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);
             }