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[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 RELOC_HIDE
17 #undef OPTIMIZER_HIDE_VAR
18
19 #define RELOC_HIDE(ptr, off)                                    \
20   ({ unsigned long __ptr;                                       \
21      __ptr = (unsigned long) (ptr);                             \
22     (typeof(ptr)) (__ptr + (off)); })
23
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
30 /* Intel ECC compiler doesn't support __builtin_types_compatible_p() */
31 #define __must_be_array(a) 0
32
33 #endif
34
35 #ifndef __HAVE_BUILTIN_BSWAP16__
36 /* icc has this, but it's called _bswap16 */
37 #define __HAVE_BUILTIN_BSWAP16__
38 #define __builtin_bswap16 _bswap16
39 #endif
40