* config/arc/mpost-demo: New directory.

git-svn-id: https://gcc.gnu.org/svn/gcc/branches/milepost-integration@150679 138bc75d-0d04-0410-961f-82ee72b054a4

6 files changed, 125 insertions, 0 deletions

diff --git a/gcc/ChangeLog.mpost b/gcc/ChangeLog.mpost
index 64c7bf72cdb..b57b99279b2 100644
--- a/gcc/ChangeLog.mpost
+++ b/gcc/ChangeLog.mpost
@@ -1,3 +1,7 @@
+2009-08-12  J"orn Rennecke  <joern.rennecke@arc.com>
+
+	* config/arc/mpost-demo: New directory.
+
 2009-08-10  J"orn Rennecke  <joern.rennecke@arc.com>
 
 	From unnamed Milepost contributer:
diff --git a/gcc/config/arc/mpost-demo/mxp-demo-20090810.c b/gcc/config/arc/mpost-demo/mxp-demo-20090810.c
new file mode 100644
index 00000000000..9f04dffce01
--- /dev/null
+++ b/gcc/config/arc/mpost-demo/mxp-demo-20090810.c
@@ -0,0 +1,56 @@
+/* ./cc1 -O3 -quiet -fdump-tree-all -ftree-vectorize -fdump-tree-vect-details mxp-demo-20090810.c -ftree-vectorizer-verbose=9 -mA7 -msimd -da  */
+
+
+#define LEN 1024
+int a[LEN], b[LEN*2], c[LEN*2];
+
+void init_fn (void);
+
+void (*init_pnt) (void) = init_fn;
+
+int
+f ()
+{
+  int max = -0x7fff-1;
+  int i, j0, k0, j, k;
+
+  (*init_pnt) ();
+
+  for (j0 = 0; j0 < LEN; j0 += 8)
+    for (k0 = 0; k0 < LEN; k0 += 8)
+      for (j = j0, k = k0, i = 0; i < LEN; i++, j++, k++)
+	{
+	  int xor1 = (a[i] ^ b[j]);
+	  int xor2 = (a[i] ^ c[k]);
+	  int sum = xor1 + xor2;
+
+	  max = sum > max ? sum : max;
+	}
+ return max;
+}
+
+long
+simple_rand (void)
+{
+  static unsigned long seed = 47114711;
+  unsigned long this = seed * 1103515245 + 12345;
+  seed = this;
+  return this >> 8;
+}
+
+/* Data needed to initialize array A.  */
+#define A_D(A) {(A), sizeof (A)/sizeof((A)[0])}
+
+struct { int *a, sz; } init_tab[] = { A_D (a), A_D (b), A_D (c), {0,0} };
+
+void
+init_fn (void)
+{
+  int i, j, *a;
+
+  for (i = 0; a = init_tab[i].a; i++)
+    {
+      for (j = init_tab[i].sz - 1; --j >= 0; )
+	a[j] = simple_rand ();
+    }
+}
diff --git a/gcc/config/arc/mpost-demo/simple-timing.S b/gcc/config/arc/mpost-demo/simple-timing.S
new file mode 100644
index 00000000000..9addbb0b28b
--- /dev/null
+++ b/gcc/config/arc/mpost-demo/simple-timing.S
@@ -0,0 +1,28 @@
+/* Definitions from auxreg.h */
+#define LP_START        0x02
+#define LP_END          0x03
+#define IDENTITY        0x04
+#define STATUS32        0x0a
+#define COUNT0          0x21 /* Timer 0 count */
+#define CONTROL0        0x22 /* Timer 0 control */
+#define LIMIT0          0x23 /* Timer 0 limit */
+#define INT_VECTOR_BASE 0x25
+#define D_CACHE_BUILD   0x72
+#define DC_FLDL         0x4c
+
+	.section .init
+        lr      r12,[STATUS32]
+        bclr_s  r12,r12,1 ; disallow level 1 interrupts
+        flag    r12
+	mov_s	r3,0
+        sr      r3,[CONTROL0]
+        sr      r3,[COUNT0]
+        sr	0xffffffff,[LIMIT0] ; use maximum available counting range
+        mov_s   r12,3   ; enable timer interrupts; count only when not halted.
+        sr      r12,[CONTROL0]
+	.text
+	.global exit
+exit:	lr	r1,[COUNT0]
+0:	flag 1
+	b 0b
+
diff --git a/gcc/config/arc/mpost-demo/vl-main-elf32.c b/gcc/config/arc/mpost-demo/vl-main-elf32.c
new file mode 100644
index 00000000000..f034c959383
--- /dev/null
+++ b/gcc/config/arc/mpost-demo/vl-main-elf32.c
@@ -0,0 +1,8 @@
+#include <stdio.h>
+
+int
+main (void)
+{
+  f ();
+  return 0;
+}
diff --git a/gcc/config/arc/mpost-demo/vl-main.c b/gcc/config/arc/mpost-demo/vl-main.c
new file mode 100644
index 00000000000..ec900911838
--- /dev/null
+++ b/gcc/config/arc/mpost-demo/vl-main.c
@@ -0,0 +1,11 @@
+#include <stdio.h>
+
+int
+main (void)
+{
+  int i;
+  printf ("Hello world!\n");
+  i = f ();
+  printf ("result: %d\n", i);
+  return 0;
+}
diff --git a/gcc/config/arc/mpost-demo/vloop.c b/gcc/config/arc/mpost-demo/vloop.c
new file mode 100644
index 00000000000..4c2528fc298
--- /dev/null
+++ b/gcc/config/arc/mpost-demo/vloop.c
@@ -0,0 +1,18 @@
+#define SIZE 256
+
+typedef unsigned short align_a[SIZE] __attribute__ ((aligned (128)));
+
+align_a b = { 1, 2, 3, 4, 5, 6, 7, 8, 9, };
+align_a c = { 13, 17, 19, 23, 29, 31, 37, };
+align_a a;
+
+void
+f ()
+{
+  int i;
+
+  for (i = 0; i < SIZE; i++)
+{
+    a[i] = b[i] + c[i];
+}
+}