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Diffstat (limited to 'qemu/tests/tcg/mips/mips64-dsp/dextp.c')
-rw-r--r--qemu/tests/tcg/mips/mips64-dsp/dextp.c54
1 files changed, 54 insertions, 0 deletions
diff --git a/qemu/tests/tcg/mips/mips64-dsp/dextp.c b/qemu/tests/tcg/mips/mips64-dsp/dextp.c
new file mode 100644
index 000000000..a469cc036
--- /dev/null
+++ b/qemu/tests/tcg/mips/mips64-dsp/dextp.c
@@ -0,0 +1,54 @@
+#include "io.h"
+
+int main(void)
+{
+ long long rt, dsp;
+ long long achi, acli;
+ long long res, resdsp;
+ int rs;
+
+ rs = 0xabcd1234;
+
+ achi = 0x12345678;
+ acli = 0x87654321;
+ res = 0xff;
+ resdsp = 0x0;
+
+ __asm
+ ("mthi %2, $ac1\n\t"
+ "mtlo %3, $ac1\n\t"
+ "wrdsp %4\n\t"
+ "dextp %0, $ac1, 0x7\n\t"
+ "rddsp %1\n\t"
+ : "=r"(rt), "=r"(dsp)
+ : "r"(achi), "r"(acli), "r"(rs)
+ );
+ dsp = (dsp >> 14) & 0x1;
+ if ((dsp != resdsp) || (rt != res)) {
+ printf("dextp error\n");
+ return -1;
+ }
+
+ rs = 0xabcd1200;
+
+ achi = 0x12345678;
+ acli = 0x87654321;
+ resdsp = 0x1;
+
+ __asm
+ ("mthi %2, $ac1\n\t"
+ "mtlo %3, $ac1\n\t"
+ "wrdsp %4\n\t"
+ "dextp %0, $ac1, 0x7\n\t"
+ "rddsp %1\n\t"
+ : "=r"(rt), "=r"(dsp)
+ : "r"(achi), "r"(acli), "r"(rs)
+ );
+ dsp = (dsp >> 14) & 0x1;
+ if (dsp != resdsp) {
+ printf("dextp error\n");
+ return -1;
+ }
+
+ return 0;
+}