summaryrefslogtreecommitdiffstats
path: root/qemu/tests/tcg/cris/check_swap.c
diff options
context:
space:
mode:
Diffstat (limited to 'qemu/tests/tcg/cris/check_swap.c')
-rw-r--r--qemu/tests/tcg/cris/check_swap.c76
1 files changed, 76 insertions, 0 deletions
diff --git a/qemu/tests/tcg/cris/check_swap.c b/qemu/tests/tcg/cris/check_swap.c
new file mode 100644
index 000000000..f851cbcef
--- /dev/null
+++ b/qemu/tests/tcg/cris/check_swap.c
@@ -0,0 +1,76 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <stdint.h>
+#include "sys.h"
+#include "crisutils.h"
+
+#define N 8
+#define W 4
+#define B 2
+#define R 1
+
+static inline int cris_swap(const int mode, int x)
+{
+ switch (mode)
+ {
+ case N: asm ("swapn\t%0\n" : "+r" (x) : "0" (x)); break;
+ case W: asm ("swapw\t%0\n" : "+r" (x) : "0" (x)); break;
+ case B: asm ("swapb\t%0\n" : "+r" (x) : "0" (x)); break;
+ case R: asm ("swapr\t%0\n" : "+r" (x) : "0" (x)); break;
+ case B|R: asm ("swapbr\t%0\n" : "+r" (x) : "0" (x)); break;
+ case W|R: asm ("swapwr\t%0\n" : "+r" (x) : "0" (x)); break;
+ case W|B: asm ("swapwb\t%0\n" : "+r" (x) : "0" (x)); break;
+ case W|B|R: asm ("swapwbr\t%0\n" : "+r" (x) : "0" (x)); break;
+ case N|R: asm ("swapnr\t%0\n" : "+r" (x) : "0" (x)); break;
+ case N|B: asm ("swapnb\t%0\n" : "+r" (x) : "0" (x)); break;
+ case N|B|R: asm ("swapnbr\t%0\n" : "+r" (x) : "0" (x)); break;
+ case N|W: asm ("swapnw\t%0\n" : "+r" (x) : "0" (x)); break;
+ default:
+ err();
+ break;
+ }
+ return x;
+}
+
+/* Made this a macro to be able to pick up the location of the errors. */
+#define verify_swap(mode, val, expected, n, z) \
+do { \
+ int r; \
+ cris_tst_cc_init(); \
+ r = cris_swap(mode, val); \
+ cris_tst_mov_cc(n, z); \
+ if (r != expected) \
+ err(); \
+} while(0)
+
+void check_swap(void)
+{
+ /* Some of these numbers are borrowed from GDB's cris sim
+ testsuite. */
+ if (cris_swap(N, 0) != 0xffffffff)
+ err();
+ if (cris_swap(W, 0x12345678) != 0x56781234)
+ err();
+ if (cris_swap(B, 0x12345678) != 0x34127856)
+ err();
+
+ verify_swap(R, 0x78134452, 0x1ec8224a, 0, 0);
+ verify_swap(B, 0x78134452, 0x13785244, 0, 0);
+ verify_swap(B|R, 0x78134452, 0xc81e4a22, 1, 0);
+ verify_swap(W, 0x78134452, 0x44527813, 0, 0);
+ verify_swap(W|R, 0x78134452, 0x224a1ec8, 0, 0);
+ verify_swap(W|B|R, 0x78134452, 0x4a22c81e, 0, 0);
+ verify_swap(N, 0x78134452, 0x87ecbbad, 1, 0);
+ verify_swap(N|R, 0x78134452, 0xe137ddb5, 1, 0);
+ verify_swap(N|B, 0x78134452, 0xec87adbb, 1, 0);
+ verify_swap(N|B|R, 0x78134452, 0x37e1b5dd, 0, 0);
+ verify_swap(N|W, 0x78134452, 0xbbad87ec, 1, 0);
+ verify_swap(N|B|R, 0xffffffff, 0, 0, 1);
+}
+
+int main(void)
+{
+ check_swap();
+ pass();
+ return 0;
+}