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-rw-r--r--gas/ChangeLog5
-rw-r--r--gas/config/tc-z80.c2
2 files changed, 6 insertions, 1 deletions
diff --git a/gas/ChangeLog b/gas/ChangeLog
index 757a311..16e425b 100644
--- a/gas/ChangeLog
+++ b/gas/ChangeLog
@@ -1,3 +1,8 @@
+2020-08-31 Alan Modra <amodra@gmail.com>
+
+ PR 26509
+ * config/tc-z80.c (is_overflow): Use 1UL in mask shift expression.
+
2020-08-30 Alan Modra <amodra@gmail.com>
* config/tc-tic4x.c (tic4x_gen_to_words): Rewrite mantissa
diff --git a/gas/config/tc-z80.c b/gas/config/tc-z80.c
index 237425d..45fcd6f 100644
--- a/gas/config/tc-z80.c
+++ b/gas/config/tc-z80.c
@@ -3653,7 +3653,7 @@ md_assemble (char *str)
static int
is_overflow (long value, unsigned bitsize)
{
- long fieldmask = (1 << bitsize) - 1;
+ long fieldmask = (1UL << bitsize) - 1;
long signmask = ~fieldmask;
long a = value & fieldmask;
long ss = a & signmask;