re PR target/71017 (libgcc/config/i386/cpuinfo.c:346:17: runtime error: left…

re PR target/71017 (libgcc/config/i386/cpuinfo.c:346:17: runtime error: left shift of 1 by 31 places cannot be represented in type 'int')

2017-01-23  Dominique d'Humieres  <dominiq@lps.ens.fr>

	PR target/71017
	* config/i386/cpuid.h: Fix another undefined behavior.

From-SVN: r245680

gcc/ChangeLog

+2017-01-23  Dominique d'Humieres  <dominiq@lps.ens.fr>
+
+	PR target/71017
+	* config/i386/cpuid.h: Fix another undefined behavior.
+
 2017-02-23  Richard Biener  <rguenther@suse.de>
 
 	PR tree-optimization/79683

gcc/config/i386/cpuid.h

@@ -63,7 +63,7 @@
 #define bit_MMXEXT	(1 << 22)
 #define bit_LM		(1 << 29)
 #define bit_3DNOWP	(1 << 30)
-#define bit_3DNOW	(1 << 31)
+#define bit_3DNOW	(1u << 31)
 
 /* %ebx  */
 #define bit_CLZERO	(1 << 0)