[Qemu-devel] [PATCH 024/108] target-arm: A64: fix unallocated test of scalar SQXTUN

[Michael Roth]

From: Alex Bennée <address@hidden>

The test for the U bit was incorrectly inverted in the scalar case of SQXTUN.
This doesn't affect the vector case as the U bit is used to select XTN(2).

Reported-by: Hao Liu <address@hidden>
Signed-off-by: Alex Bennée <address@hidden>
Reviewed-by: Claudio Fontana <address@hidden>
Reviewed-by: Peter Maydell <address@hidden>
Cc: address@hidden
Signed-off-by: Peter Maydell <address@hidden>
(cherry picked from commit e44a90c59697cf98e05619fbb6f77a403d347495)
Signed-off-by: Michael Roth <address@hidden>
---
 target-arm/translate-a64.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/target-arm/translate-a64.c b/target-arm/translate-a64.c
index 9175e48..a780366 100644
--- a/target-arm/translate-a64.c
+++ b/target-arm/translate-a64.c
@@ -7455,7 +7455,7 @@ static void disas_simd_scalar_two_reg_misc(DisasContext 
*s, uint32_t insn)
         }
         break;
     case 0x12: /* SQXTUN */
-        if (u) {
+        if (!u) {
             unallocated_encoding(s);
             return;
         }
-- 
1.9.1