Linux kernel mirror (for testing)
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1/* SPDX-License-Identifier: GPL-2.0 */
2#ifndef __LINUX_COMPILER_H
3#error "Please don't include <linux/compiler-intel.h> directly, include <linux/compiler.h> instead."
4#endif
5
6#ifdef __ECC
7
8/* Some compiler specific definitions are overwritten here
9 * for Intel ECC compiler
10 */
11
12#include <asm/intrinsics.h>
13
14/* Intel ECC compiler doesn't support gcc specific asm stmts.
15 * It uses intrinsics to do the equivalent things.
16 */
17#undef barrier
18#undef barrier_data
19#undef RELOC_HIDE
20#undef OPTIMIZER_HIDE_VAR
21
22#define barrier() __memory_barrier()
23#define barrier_data(ptr) barrier()
24
25#define RELOC_HIDE(ptr, off) \
26 ({ unsigned long __ptr; \
27 __ptr = (unsigned long) (ptr); \
28 (typeof(ptr)) (__ptr + (off)); })
29
30/* This should act as an optimization barrier on var.
31 * Given that this compiler does not have inline assembly, a compiler barrier
32 * is the best we can do.
33 */
34#define OPTIMIZER_HIDE_VAR(var) barrier()
35
36/* Intel ECC compiler doesn't support __builtin_types_compatible_p() */
37#define __must_be_array(a) 0
38
39#endif
40
41#ifndef __HAVE_BUILTIN_BSWAP16__
42/* icc has this, but it's called _bswap16 */
43#define __HAVE_BUILTIN_BSWAP16__
44#define __builtin_bswap16 _bswap16
45#endif
46