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-rwxr-xr-xscripts/atomic/fallbacks/add_negative16
1 files changed, 16 insertions, 0 deletions
diff --git a/scripts/atomic/fallbacks/add_negative b/scripts/atomic/fallbacks/add_negative
new file mode 100755
index 000000000..a66635bce
--- /dev/null
+++ b/scripts/atomic/fallbacks/add_negative
@@ -0,0 +1,16 @@
+cat <<EOF
+/**
+ * ${arch}${atomic}_add_negative - add and test if negative
+ * @i: integer value to add
+ * @v: pointer of type ${atomic}_t
+ *
+ * Atomically adds @i to @v and returns true
+ * if the result is negative, or false when
+ * result is greater than or equal to zero.
+ */
+static __always_inline bool
+${arch}${atomic}_add_negative(${int} i, ${atomic}_t *v)
+{
+ return ${arch}${atomic}_add_return(i, v) < 0;
+}
+EOF