Adding files from Tom Hughes' SSE-completion patch, which I forgot yesterday.
git-svn-id: svn://svn.valgrind.org/valgrind/trunk@2209 a5019735-40e9-0310-863c-91ae7b9d1cf9
diff --git a/tests/cputest.c b/tests/cputest.c
new file mode 100644
index 0000000..9e4b0ca
--- /dev/null
+++ b/tests/cputest.c
@@ -0,0 +1,47 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+static __inline__ void cpuid(int n,
+ unsigned int *a, unsigned int *b,
+ unsigned int *c, unsigned int *d)
+{
+ __asm__ __volatile__ (
+ "cpuid"
+ : "=a" (*a), "=b" (*b), "=c" (*c), "=d" (*d) /* output */
+ : "0" (n) /* input */
+ );
+}
+
+int main(int argc, char **argv)
+{
+ unsigned int mask = 0;
+ unsigned int a;
+ unsigned int b;
+ unsigned int c;
+ unsigned int d;
+
+ if ( argc == 2 )
+ {
+ if ( strcmp( argv[1], "mmx" ) == 0 ) mask = 1 << 23;
+ else if ( strcmp( argv[1], "sse" ) == 0 ) mask = 1 << 25;
+ else if ( strcmp( argv[1], "sse2" ) == 0 ) mask = 1 << 26;
+ }
+
+ if ( mask == 0 )
+ {
+ fprintf( stderr, "usage: cputest [mmx|sse|sse2]\n" );
+ exit( 1 );
+ }
+
+ cpuid( 0, &a, &b, &c, &d );
+
+ if ( a >= 1 )
+ {
+ cpuid( 1, &a, &b, &c, &d );
+
+ if ( ( d & mask ) != 0 ) exit( 0 );
+ }
+
+ exit( 1 );
+}