dhrystone: new benchmark package

Acked-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>

1 files changed, 53 insertions, 0 deletions

diff --git a/package/dhrystone/dhrystone-2-cmdline-nruns.patch b/package/dhrystone/dhrystone-2-cmdline-nruns.patch
new file mode 100644
index 000000000..1164610cc
--- /dev/null
+++ b/package/dhrystone/dhrystone-2-cmdline-nruns.patch
@@ -0,0 +1,53 @@
+let people specify the number of runs on the command line
+
+Patch by Vivi Li <vivi.li@analog.com>
+
+--- a/dhry_1.c
++++ b/dhry_1.c
+@@ -66,7 +70,7 @@
+ /* end of variables for time measurement */
+ 
+ 
+-main ()
++main(int argc, char *argv[])
+ /*****/
+ 
+   /* main program, corresponds to procedures        */
+@@ -101,6 +105,13 @@
+         /* Warning: With 16-Bit processors and Number_Of_Runs > 32000,  */
+         /* overflow may occur for this array element.                   */
+ 
++  Number_Of_Runs = 0;
++  if ( argc == 2 ) {
++      if (atoi(argv[1]) > 0) {
++          Number_Of_Runs = atoi(argv[1]);
++      }
++  }
++
+   printf ("\n");
+   printf ("Dhrystone Benchmark, Version 2.1 (Language: C)\n");
+   printf ("\n");
+@@ -114,13 +125,17 @@
+     printf ("Program compiled without 'register' attribute\n");
+     printf ("\n");
+   }
+-  printf ("Please give the number of runs through the benchmark: ");
+-  {
+-    int n;
+-    scanf ("%d", &n);
+-    Number_Of_Runs = n;
++
++  if (!Number_Of_Runs) {
++      printf ("Please give the number of runs through the benchmark: ");
++      fflush (stdout);
++      {
++          int n;
++          scanf ("%d", &n);
++          Number_Of_Runs = n;
++      }
++      printf ("\n");
+   }
+-  printf ("\n");
+ 
+   printf ("Execution starts, %d runs through Dhrystone\n", Number_Of_Runs);
+