Module Name: src
Committed By: riastradh
Date: Sun Dec 19 11:26:57 UTC 2021
Modified Files:
src/sys/external/bsd/common/include/linux: compiler.h
Log Message:
linux: Add __same_type and __must_be_array.
To generate a diff of this commit:
cvs rdiff -u -r1.5 -r1.6 src/sys/external/bsd/common/include/linux/compiler.h
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/sys/external/bsd/common/include/linux/compiler.h
diff -u src/sys/external/bsd/common/include/linux/compiler.h:1.5 src/sys/external/bsd/common/include/linux/compiler.h:1.6
--- src/sys/external/bsd/common/include/linux/compiler.h:1.5 Sun Dec 19 11:10:01 2021
+++ src/sys/external/bsd/common/include/linux/compiler.h Sun Dec 19 11:26:57 2021
@@ -1,4 +1,4 @@
-/* $NetBSD: compiler.h,v 1.5 2021/12/19 11:10:01 riastradh Exp $ */
+/* $NetBSD: compiler.h,v 1.6 2021/12/19 11:26:57 riastradh Exp $ */
/*-
* Copyright (c) 2018 The NetBSD Foundation, Inc.
@@ -54,6 +54,10 @@
#define barrier() __insn_barrier()
#define likely(X) __predict_true(X)
#define unlikely(X) __predict_false(X)
+#define __same_type(X,Y) \
+ __builtin_types_compatible_p(__typeof__(X), __typeof__(Y))
+#define __must_be_array(X) \
+ BUILD_BUG_ON_ZERO(__same_type((X), &(X)[0]))
#define READ_ONCE(X) ({ \
typeof(X) __read_once_tmp = (X); \
