[linux-block.git] / include / linux / compiler-intel.h

/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __LINUX_COMPILER_TYPES_H
#error "Please don't include <linux/compiler-intel.h> directly, include <linux/compiler.h> instead."
#endif

#ifdef __ECC

/* Compiler specific definitions for Intel ECC compiler */

#include <asm/intrinsics.h>

/* Intel ECC compiler doesn't support gcc specific asm stmts.
 * It uses intrinsics to do the equivalent things.
 */

#define barrier() __memory_barrier()
#define barrier_data(ptr) barrier()

#define RELOC_HIDE(ptr, off)					\
  ({ unsigned long __ptr;					\
     __ptr = (unsigned long) (ptr);				\
    (typeof(ptr)) (__ptr + (off)); })

/* This should act as an optimization barrier on var.
 * Given that this compiler does not have inline assembly, a compiler barrier
 * is the best we can do.
 */
#define OPTIMIZER_HIDE_VAR(var) barrier()

#endif

/* icc has this, but it's called _bswap16 */
#define __HAVE_BUILTIN_BSWAP16__
#define __builtin_bswap16 _bswap16
Commit	Line	Data
b2441318	1	/* SPDX-License-Identifier: GPL-2.0 */
d1515582	2	#ifndef __LINUX_COMPILER_TYPES_H
94f582f8 RD	3	#error "Please don't include <linux/compiler-intel.h> directly, include <linux/compiler.h> instead."
94f582f8 RD	4	#endif
1da177e4 LT	5
	6	#ifdef __ECC
	7
3e2ffd65	8	/* Compiler specific definitions for Intel ECC compiler */
1da177e4 LT	9
	10	#include <asm/intrinsics.h>
	11
	12	/* Intel ECC compiler doesn't support gcc specific asm stmts.
	13	* It uses intrinsics to do the equivalent things.
	14	*/
1da177e4	15
b86a50c3	16	#define barrier() __memory_barrier()
7829fb09 DB	17	#define barrier_data(ptr) barrier()
7829fb09 DB	18
1da177e4 LT	19	#define RELOC_HIDE(ptr, off) \
	20	({ unsigned long __ptr; \
	21	__ptr = (unsigned long) (ptr); \
	22	(typeof(ptr)) (__ptr + (off)); })
	23
fe8c8a12 CEB	24	/* This should act as an optimization barrier on var.
	25	* Given that this compiler does not have inline assembly, a compiler barrier
	26	* is the best we can do.
	27	*/
	28	#define OPTIMIZER_HIDE_VAR(var) barrier()
	29
1da177e4	30	#endif
94909914	31
cf66bb93 DW	32	/* icc has this, but it's called _bswap16 */
	33	#define __HAVE_BUILTIN_BSWAP16__
	34	#define __builtin_bswap16 _bswap16