]> git.kernelconcepts.de Git - karo-tx-uboot.git/blob - include/linux/compiler-intel.h
compiler*.h: sync include/linux/compiler*.h with Linux 4.5-rc6
[karo-tx-uboot.git] / include / linux / compiler-intel.h
1 #ifndef __LINUX_COMPILER_H
2 #error "Please don't include <linux/compiler-intel.h> directly, include <linux/compiler.h> instead."
3 #endif
4
5 #ifdef __ECC
6
7 /* Some compiler specific definitions are overwritten here
8  * for Intel ECC compiler
9  */
10
11 #include <asm/intrinsics.h>
12
13 /* Intel ECC compiler doesn't support gcc specific asm stmts.
14  * It uses intrinsics to do the equivalent things.
15  */
16 #undef barrier
17 #undef barrier_data
18 #undef RELOC_HIDE
19 #undef OPTIMIZER_HIDE_VAR
20
21 #define barrier() __memory_barrier()
22 #define barrier_data(ptr) barrier()
23
24 #define RELOC_HIDE(ptr, off)                                    \
25   ({ unsigned long __ptr;                                       \
26      __ptr = (unsigned long) (ptr);                             \
27     (typeof(ptr)) (__ptr + (off)); })
28
29 /* This should act as an optimization barrier on var.
30  * Given that this compiler does not have inline assembly, a compiler barrier
31  * is the best we can do.
32  */
33 #define OPTIMIZER_HIDE_VAR(var) barrier()
34
35 /* Intel ECC compiler doesn't support __builtin_types_compatible_p() */
36 #define __must_be_array(a) 0
37
38 #endif
39
40 #ifndef __HAVE_BUILTIN_BSWAP16__
41 /* icc has this, but it's called _bswap16 */
42 #define __HAVE_BUILTIN_BSWAP16__
43 #define __builtin_bswap16 _bswap16
44 #endif
45