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Blackfin: fix miscompilation in lshrdi3 

The code used in the Blackfin lshrdi3 utilizes gcc constructs.  However,
the structures declared don't line up with the code gcc generates, so
under certain optimizations, we get bad code and things crap out in fun
random ways.  So rather than trying to maintain different gcc definitions
ourselves, just use the ones available in gcclib.h.

URL: http://blackfin.uclinux.org/gf/tracker/5286
Signed-off-by: Jie Zhang <jie.zhang@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
This commit is contained in:
Jie Zhang 2009-06-28 13:19:36 +00:00 committed by Mike Frysinger
parent dc437b1b59
commit 8399a74f61
1 changed files with 1 additions and 15 deletions
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16
arch/blackfin/lib/lshrdi3.c
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@ -27,21 +27,7 @@
* 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#define BITS_PER_UNIT 8
typedef int SItype __attribute__ ((mode(SI)));
typedef unsigned int USItype __attribute__ ((mode(SI)));
typedef int DItype __attribute__ ((mode(DI)));
typedef int word_type __attribute__ ((mode(__word__)));
struct DIstruct {
SItype high, low;
};
typedef union {
struct DIstruct s;
DItype ll;
} DIunion;
#include "gcclib.h"
#ifdef CONFIG_ARITHMETIC_OPS_L1
DItype __lshrdi3(DItype u, word_type b)__attribute__((l1_text));