kernel-ark/include/linux/compiler-intel.h

/* Never include this file directly.  Include <linux/compiler.h> instead.  */

#ifdef __ECC

/* Some compiler specific definitions are overwritten here
 * 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.
 */
#undef barrier
#undef RELOC_HIDE

#define barrier() __memory_barrier()

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

/* Intel ECC compiler doesn't support __builtin_types_compatible_p() */
#define __must_be_array(a) 0

#endif

#define uninitialized_var(x) x
Linux-2.6.12-rc2 Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip! 2005-04-16 22:20:36 +00:00			`/* Never include this file directly. Include <linux/compiler.h> instead. */`

			`#ifdef __ECC`

			`/* Some compiler specific definitions are overwritten here`
			`* 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.`
			`*/`
			`#undef barrier`
			`#undef RELOC_HIDE`

			`#define barrier() __memory_barrier()`

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

ARRAY_SIZE: check for type We can use a gcc extension to ensure that ARRAY_SIZE() is handed an array, not a pointer. This is especially important when code is changed from a fixed array to a pointer. I assume the Intel compiler doesn't support __builtin_types_compatible_p. [jdike@addtoit.com: uml: update UML definition of ARRAY_SIZE] Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Signed-off-by: Jeff Dike <jdike@linux.intel.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> 2007-05-06 21:51:05 +00:00			`/* Intel ECC compiler doesn't support __builtin_types_compatible_p() */`
			`#define __must_be_array(a) 0`

Linux-2.6.12-rc2 Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip! 2005-04-16 22:20:36 +00:00			`#endif`
Add unitialized_var() macro for suppressing gcc warnings Introduce a macro for suppressing gcc from generating a warning about a probable uninitialized state of a variable. Example: - spinlock_t ptl; + spinlock_t uninitialized_var(ptl); Not a happy solution, but those warnings are obnoxious. - Using the usual pointlessly-set-it-to-zero approach wastes several bytes of text. - Using a macro means we can (hopefully) do something else if gcc changes cause the `x = x' hack to stop working - Using a macro means that people who are worried about hiding true bugs can easily turn it off. Signed-off-by: Borislav Petkov <bbpetkov@yahoo.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> 2007-05-06 21:49:17 +00:00
			`#define uninitialized_var(x) x`